diff options
Diffstat (limited to 'net/wireless_ath')
36 files changed, 0 insertions, 25010 deletions
diff --git a/net/wireless_ath/Makefile b/net/wireless_ath/Makefile deleted file mode 100755 index 2c35c62..0000000 --- a/net/wireless_ath/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -NOSTDINC_FLAGS := -I$(srctree)/include/compat/ \ - -include $(srctree)/include/compat/linux/compat-2.6.h \ - $(CFLAGS) - -obj-$(CONFIG_CFG80211) += cfg80211.o - -obj-$(CONFIG_WEXT_CORE) += wext-core.o -obj-$(CONFIG_WEXT_PROC) += wext-proc.o -obj-$(CONFIG_WEXT_SPY) += wext-spy.o -obj-$(CONFIG_WEXT_PRIV) += wext-priv.o - -cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o -cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o -cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o -cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o -cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o - -ccflags-y += -D__CHECK_ENDIAN__ - -$(obj)/regdb.c: $(src)/db.txt $(src)/genregdb.awk - @$(AWK) -f $(src)/genregdb.awk < $< > $@ - -clean-files := regdb.c diff --git a/net/wireless_ath/Makefile.bk b/net/wireless_ath/Makefile.bk deleted file mode 100755 index 9b12455..0000000 --- a/net/wireless_ath/Makefile.bk +++ /dev/null @@ -1,18 +0,0 @@ -obj-$(CONFIG_CFG80211) += cfg80211.o -obj-$(CONFIG_LIB80211) += lib80211.o -obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o -obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o -obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o - -cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o -cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o -cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o -cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o -cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o - -ccflags-y += -D__CHECK_ENDIAN__ - -$(obj)/regdb.c: $(src)/db.txt $(src)/genregdb.awk - @$(AWK) -f $(src)/genregdb.awk < $< > $@ - -clean-files := regdb.c diff --git a/net/wireless_ath/chan.c b/net/wireless_ath/chan.c deleted file mode 100755 index 17cd0c0..0000000 --- a/net/wireless_ath/chan.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * This file contains helper code to handle channel - * settings and keeping track of what is possible at - * any point in time. - * - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - */ - -#include <net/cfg80211.h> -#include "core.h" - -struct ieee80211_channel * -rdev_freq_to_chan(struct cfg80211_registered_device *rdev, - int freq, enum nl80211_channel_type channel_type) -{ - struct ieee80211_channel *chan; - struct ieee80211_sta_ht_cap *ht_cap; - - chan = ieee80211_get_channel(&rdev->wiphy, freq); - - /* Primary channel not allowed */ - if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) - return NULL; - - if (channel_type == NL80211_CHAN_HT40MINUS && - chan->flags & IEEE80211_CHAN_NO_HT40MINUS) - return NULL; - else if (channel_type == NL80211_CHAN_HT40PLUS && - chan->flags & IEEE80211_CHAN_NO_HT40PLUS) - return NULL; - - ht_cap = &rdev->wiphy.bands[chan->band]->ht_cap; - - if (channel_type != NL80211_CHAN_NO_HT) { - if (!ht_cap->ht_supported) - return NULL; - - if (channel_type != NL80211_CHAN_HT20 && - (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) || - ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT)) - return NULL; - } - - return chan; -} - -static bool can_beacon_sec_chan(struct wiphy *wiphy, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type) -{ - struct ieee80211_channel *sec_chan; - int diff; - - switch (channel_type) { - case NL80211_CHAN_HT40PLUS: - diff = 20; - break; - case NL80211_CHAN_HT40MINUS: - diff = -20; - break; - default: - return false; - } - - sec_chan = ieee80211_get_channel(wiphy, chan->center_freq + diff); - if (!sec_chan) - return false; - - /* we'll need a DFS capability later */ - if (sec_chan->flags & (IEEE80211_CHAN_DISABLED | - IEEE80211_CHAN_PASSIVE_SCAN | - IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_RADAR)) - return false; - - return true; -} - -int cfg80211_set_freq(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, int freq, - enum nl80211_channel_type channel_type) -{ - struct ieee80211_channel *chan; - int result; - - if (wdev && wdev->iftype == NL80211_IFTYPE_MONITOR) - wdev = NULL; - - if (wdev) { - ASSERT_WDEV_LOCK(wdev); - - if (!netif_running(wdev->netdev)) - return -ENETDOWN; - } - - if (!rdev->ops->set_channel) - return -EOPNOTSUPP; - - chan = rdev_freq_to_chan(rdev, freq, channel_type); - if (!chan) - return -EINVAL; - - /* Both channels should be able to initiate communication */ - if (wdev && (wdev->iftype == NL80211_IFTYPE_ADHOC || - wdev->iftype == NL80211_IFTYPE_AP || - wdev->iftype == NL80211_IFTYPE_AP_VLAN || - wdev->iftype == NL80211_IFTYPE_MESH_POINT || - wdev->iftype == NL80211_IFTYPE_P2P_GO)) { - switch (channel_type) { - case NL80211_CHAN_HT40PLUS: - case NL80211_CHAN_HT40MINUS: - if (!can_beacon_sec_chan(&rdev->wiphy, chan, - channel_type)) { - printk(KERN_DEBUG - "cfg80211: Secondary channel not " - "allowed to initiate communication\n"); - return -EINVAL; - } - break; - default: - break; - } - } - - result = rdev->ops->set_channel(&rdev->wiphy, - wdev ? wdev->netdev : NULL, - chan, channel_type); - if (result) - return result; - - if (wdev) - wdev->channel = chan; - - return 0; -} diff --git a/net/wireless_ath/core.c b/net/wireless_ath/core.c deleted file mode 100755 index 2c715e6..0000000 --- a/net/wireless_ath/core.c +++ /dev/null @@ -1,1110 +0,0 @@ -/* - * This is the linux wireless configuration interface. - * - * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> - */ - -//#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/if.h> -#include <linux/module.h> -#include <linux/err.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/nl80211.h> -#include <linux/debugfs.h> -#include <linux/notifier.h> -#include <linux/device.h> -#include <linux/etherdevice.h> -#include <linux/rtnetlink.h> -#include <linux/sched.h> -#include <net/genetlink.h> -#include <net/cfg80211.h> -#include "nl80211.h" -#include "core.h" -#include "sysfs.h" -#include "debugfs.h" -#include "wext-compat.h" -#include "ethtool.h" - -/* name for sysfs, %d is appended */ -#define PHY_NAME "phy" - -MODULE_AUTHOR("Johannes Berg"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("wireless configuration support"); - -/* RCU-protected (and cfg80211_mutex for writers) */ -LIST_HEAD(cfg80211_rdev_list); -int cfg80211_rdev_list_generation; - -DEFINE_MUTEX(cfg80211_mutex); - -/* for debugfs */ -static struct dentry *ieee80211_debugfs_dir; - -/* for the cleanup, scan and event works */ -struct workqueue_struct *cfg80211_wq; - -static bool cfg80211_disable_40mhz_24ghz; -module_param(cfg80211_disable_40mhz_24ghz, bool, 0644); -MODULE_PARM_DESC(cfg80211_disable_40mhz_24ghz, - "Disable 40MHz support in the 2.4GHz band"); - -/* requires cfg80211_mutex to be held! */ -struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx) -{ - struct cfg80211_registered_device *result = NULL, *rdev; - - if (!wiphy_idx_valid(wiphy_idx)) - return NULL; - - assert_cfg80211_lock(); - - list_for_each_entry(rdev, &cfg80211_rdev_list, list) { - if (rdev->wiphy_idx == wiphy_idx) { - result = rdev; - break; - } - } - - return result; -} - -int get_wiphy_idx(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *rdev; - if (!wiphy) - return WIPHY_IDX_STALE; - rdev = wiphy_to_dev(wiphy); - return rdev->wiphy_idx; -} - -/* requires cfg80211_rdev_mutex to be held! */ -struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx) -{ - struct cfg80211_registered_device *rdev; - - if (!wiphy_idx_valid(wiphy_idx)) - return NULL; - - assert_cfg80211_lock(); - - rdev = cfg80211_rdev_by_wiphy_idx(wiphy_idx); - if (!rdev) - return NULL; - return &rdev->wiphy; -} - -/* requires cfg80211_mutex to be held! */ -struct cfg80211_registered_device * -__cfg80211_rdev_from_info(struct genl_info *info) -{ - int ifindex; - struct cfg80211_registered_device *bywiphyidx = NULL, *byifidx = NULL; - struct net_device *dev; - int err = -EINVAL; - - assert_cfg80211_lock(); - - if (info->attrs[NL80211_ATTR_WIPHY]) { - bywiphyidx = cfg80211_rdev_by_wiphy_idx( - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY])); - err = -ENODEV; - } - - if (info->attrs[NL80211_ATTR_IFINDEX]) { - ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - dev = dev_get_by_index(genl_info_net(info), ifindex); - if (dev) { - if (dev->ieee80211_ptr) - byifidx = - wiphy_to_dev(dev->ieee80211_ptr->wiphy); - dev_put(dev); - } - err = -ENODEV; - } - - if (bywiphyidx && byifidx) { - if (bywiphyidx != byifidx) - return ERR_PTR(-EINVAL); - else - return bywiphyidx; /* == byifidx */ - } - if (bywiphyidx) - return bywiphyidx; - - if (byifidx) - return byifidx; - - return ERR_PTR(err); -} - -struct cfg80211_registered_device * -cfg80211_get_dev_from_info(struct genl_info *info) -{ - struct cfg80211_registered_device *rdev; - - mutex_lock(&cfg80211_mutex); - rdev = __cfg80211_rdev_from_info(info); - - /* if it is not an error we grab the lock on - * it to assure it won't be going away while - * we operate on it */ - if (!IS_ERR(rdev)) - mutex_lock(&rdev->mtx); - - mutex_unlock(&cfg80211_mutex); - - return rdev; -} - -struct cfg80211_registered_device * -cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) -{ - struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV); - struct net_device *dev; - - mutex_lock(&cfg80211_mutex); - dev = dev_get_by_index(net, ifindex); - if (!dev) - goto out; - if (dev->ieee80211_ptr) { - rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy); - mutex_lock(&rdev->mtx); - } else - rdev = ERR_PTR(-ENODEV); - dev_put(dev); - out: - mutex_unlock(&cfg80211_mutex); - return rdev; -} - -/* requires cfg80211_mutex to be held */ -int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, - char *newname) -{ - struct cfg80211_registered_device *rdev2; - int wiphy_idx, taken = -1, result, digits; - - assert_cfg80211_lock(); - - /* prohibit calling the thing phy%d when %d is not its number */ - sscanf(newname, PHY_NAME "%d%n", &wiphy_idx, &taken); - if (taken == strlen(newname) && wiphy_idx != rdev->wiphy_idx) { - /* count number of places needed to print wiphy_idx */ - digits = 1; - while (wiphy_idx /= 10) - digits++; - /* - * deny the name if it is phy<idx> where <idx> is printed - * without leading zeroes. taken == strlen(newname) here - */ - if (taken == strlen(PHY_NAME) + digits) - return -EINVAL; - } - - - /* Ignore nop renames */ - if (strcmp(newname, dev_name(&rdev->wiphy.dev)) == 0) - return 0; - - /* Ensure another device does not already have this name. */ - list_for_each_entry(rdev2, &cfg80211_rdev_list, list) - if (strcmp(newname, dev_name(&rdev2->wiphy.dev)) == 0) - return -EINVAL; - - result = device_rename(&rdev->wiphy.dev, newname); - if (result) - return result; - - if (rdev->wiphy.debugfsdir && - !debugfs_rename(rdev->wiphy.debugfsdir->d_parent, - rdev->wiphy.debugfsdir, - rdev->wiphy.debugfsdir->d_parent, - newname)) - pr_err("failed to rename debugfs dir to %s!\n", newname); - - nl80211_notify_dev_rename(rdev); - - return 0; -} - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) -int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, - struct net *net) -{ - struct wireless_dev *wdev; - int err = 0; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK)) - return -EOPNOTSUPP; - - list_for_each_entry(wdev, &rdev->netdev_list, list) { - wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; - err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); - if (err) - break; - wdev->netdev->features |= NETIF_F_NETNS_LOCAL; - } - - if (err) { - /* failed -- clean up to old netns */ - net = wiphy_net(&rdev->wiphy); - - list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list, - list) { - wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; - err = dev_change_net_namespace(wdev->netdev, net, - "wlan%d"); - WARN_ON(err); - wdev->netdev->features |= NETIF_F_NETNS_LOCAL; - } - - return err; - } - - wiphy_net_set(&rdev->wiphy, net); - - err = device_rename(&rdev->wiphy.dev, dev_name(&rdev->wiphy.dev)); - WARN_ON(err); - - return 0; -} -#endif - -static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data) -{ - struct cfg80211_registered_device *rdev = data; - - rdev->ops->rfkill_poll(&rdev->wiphy); -} - -static int cfg80211_rfkill_set_block(void *data, bool blocked) -{ - struct cfg80211_registered_device *rdev = data; - struct wireless_dev *wdev; - - if (!blocked) - return 0; - - rtnl_lock(); - mutex_lock(&rdev->devlist_mtx); - - list_for_each_entry(wdev, &rdev->netdev_list, list) - dev_close(wdev->netdev); - - mutex_unlock(&rdev->devlist_mtx); - rtnl_unlock(); - - return 0; -} - -static void cfg80211_rfkill_sync_work(struct work_struct *work) -{ - struct cfg80211_registered_device *rdev; - - rdev = container_of(work, struct cfg80211_registered_device, rfkill_sync); - cfg80211_rfkill_set_block(rdev, rfkill_blocked(rdev->rfkill)); -} - -static void cfg80211_event_work(struct work_struct *work) -{ - struct cfg80211_registered_device *rdev; - - rdev = container_of(work, struct cfg80211_registered_device, - event_work); - - rtnl_lock(); - cfg80211_lock_rdev(rdev); - - cfg80211_process_rdev_events(rdev); - cfg80211_unlock_rdev(rdev); - rtnl_unlock(); -} - -/* exported functions */ - -struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) -{ - static int wiphy_counter; - - struct cfg80211_registered_device *rdev; - int alloc_size; - - /* - * Make sure the padding is >= the rest of the struct so that we - * always keep it large enough to pad out the entire original - * kernel's struct. We really only need to make sure it's larger - * than the kernel compat is compiled against, but since it'll - * only increase in size make sure it's larger than the current - * version of it. Subtract since it's included. - */ - BUILD_BUG_ON(WIPHY_COMPAT_PAD_SIZE < - sizeof(struct wiphy) - WIPHY_COMPAT_PAD_SIZE); - - WARN_ON(ops->add_key && (!ops->del_key || !ops->set_default_key)); - WARN_ON(ops->auth && (!ops->assoc || !ops->deauth || !ops->disassoc)); - WARN_ON(ops->connect && !ops->disconnect); - WARN_ON(ops->join_ibss && !ops->leave_ibss); - WARN_ON(ops->add_virtual_intf && !ops->del_virtual_intf); - WARN_ON(ops->add_station && !ops->del_station); - WARN_ON(ops->add_mpath && !ops->del_mpath); - WARN_ON(ops->join_mesh && !ops->leave_mesh); - - alloc_size = sizeof(*rdev) + sizeof_priv; - - rdev = kzalloc(alloc_size, GFP_KERNEL); - if (!rdev) - return NULL; - - rdev->ops = ops; - - mutex_lock(&cfg80211_mutex); - - rdev->wiphy_idx = wiphy_counter++; - - if (unlikely(!wiphy_idx_valid(rdev->wiphy_idx))) { - wiphy_counter--; - mutex_unlock(&cfg80211_mutex); - /* ugh, wrapped! */ - kfree(rdev); - return NULL; - } - - mutex_unlock(&cfg80211_mutex); - - /* give it a proper name */ - dev_set_name(&rdev->wiphy.dev, PHY_NAME "%d", rdev->wiphy_idx); - - mutex_init(&rdev->mtx); - mutex_init(&rdev->devlist_mtx); - mutex_init(&rdev->sched_scan_mtx); - INIT_LIST_HEAD(&rdev->netdev_list); - spin_lock_init(&rdev->bss_lock); - INIT_LIST_HEAD(&rdev->bss_list); - INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done); - INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results); - device_initialize(&rdev->wiphy.dev); - rdev->wiphy.dev.class = &ieee80211_class; - rdev->wiphy.dev.platform_data = rdev; - -#ifdef CONFIG_CFG80211_DEFAULT_PS - rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; -#endif - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - wiphy_net_set(&rdev->wiphy, &init_net); -#endif - - rdev->rfkill_ops.set_block = cfg80211_rfkill_set_block; - rdev->rfkill = rfkill_alloc(dev_name(&rdev->wiphy.dev), - &rdev->wiphy.dev, RFKILL_TYPE_WLAN, - &rdev->rfkill_ops, rdev); - - if (!rdev->rfkill) { - kfree(rdev); - return NULL; - } - - INIT_WORK(&rdev->rfkill_sync, cfg80211_rfkill_sync_work); - INIT_WORK(&rdev->conn_work, cfg80211_conn_work); - INIT_WORK(&rdev->event_work, cfg80211_event_work); - - init_waitqueue_head(&rdev->dev_wait); - - /* - * Initialize wiphy parameters to IEEE 802.11 MIB default values. - * Fragmentation and RTS threshold are disabled by default with the - * special -1 value. - */ - rdev->wiphy.retry_short = 7; - rdev->wiphy.retry_long = 4; - rdev->wiphy.frag_threshold = (u32) -1; - rdev->wiphy.rts_threshold = (u32) -1; - rdev->wiphy.coverage_class = 0; - - return &rdev->wiphy; -} -EXPORT_SYMBOL(wiphy_new); - -static int wiphy_verify_combinations(struct wiphy *wiphy) -{ - const struct ieee80211_iface_combination *c; - int i, j; - - /* If we have combinations enforce them */ - if (wiphy->n_iface_combinations) - wiphy->flags |= WIPHY_FLAG_ENFORCE_COMBINATIONS; - - for (i = 0; i < wiphy->n_iface_combinations; i++) { - u32 cnt = 0; - u16 all_iftypes = 0; - - c = &wiphy->iface_combinations[i]; - - /* Combinations with just one interface aren't real */ - if (WARN_ON(c->max_interfaces < 2)) - return -EINVAL; - - /* Need at least one channel */ - if (WARN_ON(!c->num_different_channels)) - return -EINVAL; - - if (WARN_ON(!c->n_limits)) - return -EINVAL; - - for (j = 0; j < c->n_limits; j++) { - u16 types = c->limits[j].types; - - /* - * interface types shouldn't overlap, this is - * used in cfg80211_can_change_interface() - */ - if (WARN_ON(types & all_iftypes)) - return -EINVAL; - all_iftypes |= types; - - if (WARN_ON(!c->limits[j].max)) - return -EINVAL; - - /* Shouldn't list software iftypes in combinations! */ - if (WARN_ON(wiphy->software_iftypes & types)) - return -EINVAL; - - cnt += c->limits[j].max; - /* - * Don't advertise an unsupported type - * in a combination. - */ - if (WARN_ON((wiphy->interface_modes & types) != types)) - return -EINVAL; - } - - /* You can't even choose that many! */ - if (WARN_ON(cnt < c->max_interfaces)) - return -EINVAL; - } - - return 0; -} - -int wiphy_register(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - int res; - enum ieee80211_band band; - struct ieee80211_supported_band *sband; - bool have_band = false; - int i; - u16 ifmodes = wiphy->interface_modes; - - if (WARN_ON((wiphy->wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && - !(wiphy->wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY))) - return -EINVAL; - - if (WARN_ON(wiphy->ap_sme_capa && - !(wiphy->flags & WIPHY_FLAG_HAVE_AP_SME))) - return -EINVAL; - - if (WARN_ON(wiphy->addresses && !wiphy->n_addresses)) - return -EINVAL; - - if (WARN_ON(wiphy->addresses && - !is_zero_ether_addr(wiphy->perm_addr) && - memcmp(wiphy->perm_addr, wiphy->addresses[0].addr, - ETH_ALEN))) - return -EINVAL; - - if (wiphy->addresses) - memcpy(wiphy->perm_addr, wiphy->addresses[0].addr, ETH_ALEN); - - /* sanity check ifmodes */ - WARN_ON(!ifmodes); - ifmodes &= ((1 << NUM_NL80211_IFTYPES) - 1) & ~1; - if (WARN_ON(ifmodes != wiphy->interface_modes)) - wiphy->interface_modes = ifmodes; - - res = wiphy_verify_combinations(wiphy); - if (res) - return res; - - /* sanity check supported bands/channels */ - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - sband = wiphy->bands[band]; - if (!sband) - continue; - - sband->band = band; - - if (WARN_ON(!sband->n_channels || !sband->n_bitrates)) - return -EINVAL; - - /* - * Since cfg80211_disable_40mhz_24ghz is global, we can - * modify the sband's ht data even if the driver uses a - * global structure for that. - */ - if (cfg80211_disable_40mhz_24ghz && - band == IEEE80211_BAND_2GHZ && - sband->ht_cap.ht_supported) { - sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40; - } - - /* - * Since we use a u32 for rate bitmaps in - * ieee80211_get_response_rate, we cannot - * have more than 32 legacy rates. - */ - if (WARN_ON(sband->n_bitrates > 32)) - return -EINVAL; - - for (i = 0; i < sband->n_channels; i++) { - sband->channels[i].orig_flags = - sband->channels[i].flags; - sband->channels[i].orig_mag = - sband->channels[i].max_antenna_gain; - sband->channels[i].orig_mpwr = - sband->channels[i].max_power; - sband->channels[i].band = band; - } - - have_band = true; - } - - if (!have_band) { - WARN_ON(1); - return -EINVAL; - } - - if (rdev->wiphy.wowlan.n_patterns) { - if (WARN_ON(!rdev->wiphy.wowlan.pattern_min_len || - rdev->wiphy.wowlan.pattern_min_len > - rdev->wiphy.wowlan.pattern_max_len)) - return -EINVAL; - } - - /* check and set up bitrates */ - ieee80211_set_bitrate_flags(wiphy); - - mutex_lock(&cfg80211_mutex); - - res = device_add(&rdev->wiphy.dev); - if (res) { - mutex_unlock(&cfg80211_mutex); - return res; - } - - /* set up regulatory info */ - regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE); - - list_add_rcu(&rdev->list, &cfg80211_rdev_list); - cfg80211_rdev_list_generation++; - - /* add to debugfs */ - rdev->wiphy.debugfsdir = - debugfs_create_dir(wiphy_name(&rdev->wiphy), - ieee80211_debugfs_dir); - if (IS_ERR(rdev->wiphy.debugfsdir)) - rdev->wiphy.debugfsdir = NULL; - - if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) { - struct regulatory_request request; - - request.wiphy_idx = get_wiphy_idx(wiphy); - request.initiator = NL80211_REGDOM_SET_BY_DRIVER; - request.alpha2[0] = '9'; - request.alpha2[1] = '9'; - - nl80211_send_reg_change_event(&request); - } - - cfg80211_debugfs_rdev_add(rdev); - mutex_unlock(&cfg80211_mutex); - - /* - * due to a locking dependency this has to be outside of the - * cfg80211_mutex lock - */ - res = rfkill_register(rdev->rfkill); - if (res) - goto out_rm_dev; - - rtnl_lock(); - rdev->wiphy.registered = true; - rtnl_unlock(); - return 0; - -out_rm_dev: - device_del(&rdev->wiphy.dev); - return res; -} -EXPORT_SYMBOL(wiphy_register); - -void wiphy_rfkill_start_polling(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - if (!rdev->ops->rfkill_poll) - return; - rdev->rfkill_ops.poll = cfg80211_rfkill_poll; - rfkill_resume_polling(rdev->rfkill); -} -EXPORT_SYMBOL(wiphy_rfkill_start_polling); - -void wiphy_rfkill_stop_polling(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - rfkill_pause_polling(rdev->rfkill); -} -EXPORT_SYMBOL(wiphy_rfkill_stop_polling); - -void wiphy_unregister(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - rtnl_lock(); - rdev->wiphy.registered = false; - rtnl_unlock(); - - rfkill_unregister(rdev->rfkill); - - /* protect the device list */ - mutex_lock(&cfg80211_mutex); - - wait_event(rdev->dev_wait, ({ - int __count; - mutex_lock(&rdev->devlist_mtx); - __count = rdev->opencount; - mutex_unlock(&rdev->devlist_mtx); - __count == 0;})); - - mutex_lock(&rdev->devlist_mtx); - BUG_ON(!list_empty(&rdev->netdev_list)); - mutex_unlock(&rdev->devlist_mtx); - - /* - * First remove the hardware from everywhere, this makes - * it impossible to find from userspace. - */ - debugfs_remove_recursive(rdev->wiphy.debugfsdir); - list_del_rcu(&rdev->list); - synchronize_rcu(); - - /* - * Try to grab rdev->mtx. If a command is still in progress, - * hopefully the driver will refuse it since it's tearing - * down the device already. We wait for this command to complete - * before unlinking the item from the list. - * Note: as codified by the BUG_ON above we cannot get here if - * a virtual interface is still present. Hence, we can only get - * to lock contention here if userspace issues a command that - * identified the hardware by wiphy index. - */ - cfg80211_lock_rdev(rdev); - /* nothing */ - cfg80211_unlock_rdev(rdev); - - /* If this device got a regulatory hint tell core its - * free to listen now to a new shiny device regulatory hint */ - reg_device_remove(wiphy); - - cfg80211_rdev_list_generation++; - device_del(&rdev->wiphy.dev); - - mutex_unlock(&cfg80211_mutex); - - flush_work(&rdev->scan_done_wk); - cancel_work_sync(&rdev->conn_work); - flush_work(&rdev->event_work); -} -EXPORT_SYMBOL(wiphy_unregister); - -void cfg80211_dev_free(struct cfg80211_registered_device *rdev) -{ - struct cfg80211_internal_bss *scan, *tmp; - rfkill_destroy(rdev->rfkill); - mutex_destroy(&rdev->mtx); - mutex_destroy(&rdev->devlist_mtx); - mutex_destroy(&rdev->sched_scan_mtx); - list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list) - cfg80211_put_bss(&scan->pub); - cfg80211_rdev_free_wowlan(rdev); - kfree(rdev); -} - -void wiphy_free(struct wiphy *wiphy) -{ - put_device(&wiphy->dev); -} -EXPORT_SYMBOL(wiphy_free); - -void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - if (rfkill_set_hw_state(rdev->rfkill, blocked)) - schedule_work(&rdev->rfkill_sync); -} -EXPORT_SYMBOL(wiphy_rfkill_set_hw_state); - -static void wdev_cleanup_work(struct work_struct *work) -{ - struct wireless_dev *wdev; - struct cfg80211_registered_device *rdev; - - wdev = container_of(work, struct wireless_dev, cleanup_work); - rdev = wiphy_to_dev(wdev->wiphy); - - cfg80211_lock_rdev(rdev); - - if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) { - rdev->scan_req->aborted = true; - ___cfg80211_scan_done(rdev, true); - } - - cfg80211_unlock_rdev(rdev); - - mutex_lock(&rdev->sched_scan_mtx); - - if (WARN_ON(rdev->sched_scan_req && - rdev->sched_scan_req->dev == wdev->netdev)) { - __cfg80211_stop_sched_scan(rdev, false); - } - - mutex_unlock(&rdev->sched_scan_mtx); - - mutex_lock(&rdev->devlist_mtx); - rdev->opencount--; - mutex_unlock(&rdev->devlist_mtx); - wake_up(&rdev->dev_wait); - - dev_put(wdev->netdev); -} - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) -static struct device_type wiphy_type = { - .name = "wlan", -}; -#endif - -static int cfg80211_netdev_notifier_call(struct notifier_block * nb, - unsigned long state, - void *ndev) -{ - struct net_device *dev = ndev; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev; - int ret; - - if (!wdev) - return NOTIFY_DONE; - - rdev = wiphy_to_dev(wdev->wiphy); - - WARN_ON(wdev->iftype == NL80211_IFTYPE_UNSPECIFIED); - - switch (state) { - case NETDEV_POST_INIT: - SET_NETDEV_DEVTYPE(dev, &wiphy_type); - break; - case NETDEV_REGISTER: - /* - * NB: cannot take rdev->mtx here because this may be - * called within code protected by it when interfaces - * are added with nl80211. - */ - mutex_init(&wdev->mtx); - INIT_WORK(&wdev->cleanup_work, wdev_cleanup_work); - INIT_LIST_HEAD(&wdev->event_list); - spin_lock_init(&wdev->event_lock); - INIT_LIST_HEAD(&wdev->mgmt_registrations); - spin_lock_init(&wdev->mgmt_registrations_lock); - - mutex_lock(&rdev->devlist_mtx); - list_add_rcu(&wdev->list, &rdev->netdev_list); - rdev->devlist_generation++; -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - /* can only change netns with wiphy */ - dev->features |= NETIF_F_NETNS_LOCAL; -#endif - - if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj, - "phy80211")) { - pr_err("failed to add phy80211 symlink to netdev!\n"); - } - wdev->netdev = dev; - wdev->sme_state = CFG80211_SME_IDLE; - mutex_unlock(&rdev->devlist_mtx); -#ifdef CONFIG_CFG80211_WEXT -#ifdef CONFIG_WIRELESS_EXT - if (!dev->wireless_handlers) - dev->wireless_handlers = &cfg80211_wext_handler; -#else -#ifdef CONFIG_MACH_PX - dev->ieee80211_ptr->wiphy->wext = &cfg80211_wext_handler; - printk_once(KERN_WARNING "cfg80211: wext will work even though " - "kernel was compiled with CONFIG_WIRELESS_EXT=n.\n"); -#else - printk_once(KERN_WARNING "cfg80211: wext will not work because " - "kernel was compiled with CONFIG_WIRELESS_EXT=n. " - "Tools using wext interface, like iwconfig will " - "not work.\n"); -#endif -#endif - wdev->wext.default_key = -1; - wdev->wext.default_mgmt_key = -1; - wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; -#endif - - if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT) - wdev->ps = true; - else - wdev->ps = false; - /* allow mac80211 to determine the timeout */ - wdev->ps_timeout = -1; - - if (!dev->ethtool_ops) - dev->ethtool_ops = &cfg80211_ethtool_ops; - - if ((wdev->iftype == NL80211_IFTYPE_STATION || - wdev->iftype == NL80211_IFTYPE_P2P_CLIENT || - wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr) - dev->priv_flags |= IFF_DONT_BRIDGE; - break; - case NETDEV_GOING_DOWN: - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - cfg80211_leave_ibss(rdev, dev, true); - break; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_STATION: - mutex_lock(&rdev->sched_scan_mtx); - __cfg80211_stop_sched_scan(rdev, false); - mutex_unlock(&rdev->sched_scan_mtx); - - wdev_lock(wdev); -#ifdef CONFIG_CFG80211_WEXT - kfree(wdev->wext.ie); - wdev->wext.ie = NULL; - wdev->wext.ie_len = 0; - wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; -#endif - __cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, true); - cfg80211_mlme_down(rdev, dev); - wdev_unlock(wdev); - break; - case NL80211_IFTYPE_MESH_POINT: - cfg80211_leave_mesh(rdev, dev); - break; - default: - break; - } - wdev->beacon_interval = 0; - break; - case NETDEV_DOWN: - dev_hold(dev); - queue_work(cfg80211_wq, &wdev->cleanup_work); - break; - case NETDEV_UP: - /* - * If we have a really quick DOWN/UP succession we may - * have this work still pending ... cancel it and see - * if it was pending, in which case we need to account - * for some of the work it would have done. - */ - if (cancel_work_sync(&wdev->cleanup_work)) { - mutex_lock(&rdev->devlist_mtx); - rdev->opencount--; - mutex_unlock(&rdev->devlist_mtx); - dev_put(dev); - } - cfg80211_lock_rdev(rdev); - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - switch (wdev->iftype) { -#ifdef CONFIG_CFG80211_WEXT - case NL80211_IFTYPE_ADHOC: - cfg80211_ibss_wext_join(rdev, wdev); - break; - case NL80211_IFTYPE_STATION: - cfg80211_mgd_wext_connect(rdev, wdev); - break; -#endif -#ifdef CONFIG_MAC80211_MESH - case NL80211_IFTYPE_MESH_POINT: - { - /* backward compat code... */ - struct mesh_setup setup; - memcpy(&setup, &default_mesh_setup, - sizeof(setup)); - /* back compat only needed for mesh_id */ - setup.mesh_id = wdev->ssid; - setup.mesh_id_len = wdev->mesh_id_up_len; - if (wdev->mesh_id_up_len) - __cfg80211_join_mesh(rdev, dev, - &setup, - &default_mesh_config); - break; - } -#endif - default: - break; - } - wdev_unlock(wdev); - rdev->opencount++; - mutex_unlock(&rdev->devlist_mtx); - cfg80211_unlock_rdev(rdev); - - /* - * Configure power management to the driver here so that its - * correctly set also after interface type changes etc. - */ - if ((wdev->iftype == NL80211_IFTYPE_STATION || - wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) && - rdev->ops->set_power_mgmt) - if (rdev->ops->set_power_mgmt(wdev->wiphy, dev, - wdev->ps, - wdev->ps_timeout)) { - /* assume this means it's off */ - wdev->ps = false; - } - break; - case NETDEV_UNREGISTER: - /* - * NB: cannot take rdev->mtx here because this may be - * called within code protected by it when interfaces - * are removed with nl80211. - */ - mutex_lock(&rdev->devlist_mtx); - /* - * It is possible to get NETDEV_UNREGISTER - * multiple times. To detect that, check - * that the interface is still on the list - * of registered interfaces, and only then - * remove and clean it up. - */ - if (!list_empty(&wdev->list)) { - sysfs_remove_link(&dev->dev.kobj, "phy80211"); - list_del_rcu(&wdev->list); - rdev->devlist_generation++; - cfg80211_mlme_purge_registrations(wdev); -#ifdef CONFIG_CFG80211_WEXT - kfree(wdev->wext.keys); -#endif - } - mutex_unlock(&rdev->devlist_mtx); - /* - * synchronise (so that we won't find this netdev - * from other code any more) and then clear the list - * head so that the above code can safely check for - * !list_empty() to avoid double-cleanup. - */ - synchronize_rcu(); - INIT_LIST_HEAD(&wdev->list); - break; - case NETDEV_PRE_UP: - if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype))) - return notifier_from_errno(-EOPNOTSUPP); - if (rfkill_blocked(rdev->rfkill)) - return notifier_from_errno(-ERFKILL); - ret = cfg80211_can_add_interface(rdev, wdev->iftype); - if (ret) - return notifier_from_errno(ret); - break; - } - - return NOTIFY_DONE; -} - -static struct notifier_block cfg80211_netdev_notifier = { - .notifier_call = cfg80211_netdev_notifier_call, -}; - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) -static void __net_exit cfg80211_pernet_exit(struct net *net) -{ - struct cfg80211_registered_device *rdev; - - rtnl_lock(); - mutex_lock(&cfg80211_mutex); - list_for_each_entry(rdev, &cfg80211_rdev_list, list) { - if (net_eq(wiphy_net(&rdev->wiphy), net)) - WARN_ON(cfg80211_switch_netns(rdev, &init_net)); - } - mutex_unlock(&cfg80211_mutex); - rtnl_unlock(); -} - -static struct pernet_operations cfg80211_pernet_ops = { - .exit = cfg80211_pernet_exit, -}; -#endif - -static int __init cfg80211_init(void) -{ - int err; - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - err = register_pernet_device(&cfg80211_pernet_ops); - if (err) - goto out_fail_pernet; -#endif - - err = wiphy_sysfs_init(); - if (err) - goto out_fail_sysfs; - - err = register_netdevice_notifier(&cfg80211_netdev_notifier); - if (err) - goto out_fail_notifier; - - err = nl80211_init(); - if (err) - goto out_fail_nl80211; - - ieee80211_debugfs_dir = debugfs_create_dir("ieee80211", NULL); - - err = regulatory_init(); - if (err) - goto out_fail_reg; - - cfg80211_wq = create_singlethread_workqueue("cfg80211"); - if (!cfg80211_wq) - goto out_fail_wq; - - return 0; - -out_fail_wq: - regulatory_exit(); -out_fail_reg: - debugfs_remove(ieee80211_debugfs_dir); -out_fail_nl80211: - unregister_netdevice_notifier(&cfg80211_netdev_notifier); -out_fail_notifier: - wiphy_sysfs_exit(); -out_fail_sysfs: -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - unregister_pernet_device(&cfg80211_pernet_ops); -out_fail_pernet: -#endif - return err; -} -subsys_initcall(cfg80211_init); - -static void __exit cfg80211_exit(void) -{ - debugfs_remove(ieee80211_debugfs_dir); - nl80211_exit(); - unregister_netdevice_notifier(&cfg80211_netdev_notifier); - wiphy_sysfs_exit(); - regulatory_exit(); -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - unregister_pernet_device(&cfg80211_pernet_ops); -#endif - destroy_workqueue(cfg80211_wq); -} -module_exit(cfg80211_exit); diff --git a/net/wireless_ath/core.h b/net/wireless_ath/core.h deleted file mode 100755 index 11ff6bb..0000000 --- a/net/wireless_ath/core.h +++ /dev/null @@ -1,468 +0,0 @@ -/* - * Wireless configuration interface internals. - * - * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> - */ -#ifndef __NET_WIRELESS_CORE_H -#define __NET_WIRELESS_CORE_H -#include <linux/mutex.h> -#include <linux/list.h> -#include <linux/netdevice.h> -#include <linux/kref.h> -#include <linux/rbtree.h> -#include <linux/debugfs.h> -#include <linux/rfkill.h> -#include <linux/workqueue.h> -#include <net/genetlink.h> -#include <net/cfg80211.h> -#include "reg.h" - -struct cfg80211_registered_device { - const struct cfg80211_ops *ops; - struct list_head list; - /* we hold this mutex during any call so that - * we cannot do multiple calls at once, and also - * to avoid the deregister call to proceed while - * any call is in progress */ - struct mutex mtx; - - /* rfkill support */ - struct rfkill_ops rfkill_ops; - struct rfkill *rfkill; - struct work_struct rfkill_sync; - - /* ISO / IEC 3166 alpha2 for which this device is receiving - * country IEs on, this can help disregard country IEs from APs - * on the same alpha2 quickly. The alpha2 may differ from - * cfg80211_regdomain's alpha2 when an intersection has occurred. - * If the AP is reconfigured this can also be used to tell us if - * the country on the country IE changed. */ - char country_ie_alpha2[2]; - - /* If a Country IE has been received this tells us the environment - * which its telling us its in. This defaults to ENVIRON_ANY */ - enum environment_cap env; - - /* wiphy index, internal only */ - int wiphy_idx; - - /* associate netdev list */ - struct mutex devlist_mtx; - /* protected by devlist_mtx or RCU */ - struct list_head netdev_list; - int devlist_generation; - int opencount; /* also protected by devlist_mtx */ - wait_queue_head_t dev_wait; - - u32 ap_beacons_nlpid; - - /* BSSes/scanning */ - spinlock_t bss_lock; - struct list_head bss_list; - struct rb_root bss_tree; - u32 bss_generation; - struct cfg80211_scan_request *scan_req; /* protected by RTNL */ - struct cfg80211_sched_scan_request *sched_scan_req; - unsigned long suspend_at; - struct work_struct scan_done_wk; - struct work_struct sched_scan_results_wk; - - struct mutex sched_scan_mtx; - -#ifdef CONFIG_NL80211_TESTMODE - struct genl_info *testmode_info; -#endif - - struct work_struct conn_work; - struct work_struct event_work; - - struct cfg80211_wowlan *wowlan; - - /* must be last because of the way we do wiphy_priv(), - * and it should at least be aligned to NETDEV_ALIGN */ - struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); -}; - -static inline -struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) -{ - BUG_ON(!wiphy); - return container_of(wiphy, struct cfg80211_registered_device, wiphy); -} - -/* Note 0 is valid, hence phy0 */ -static inline -bool wiphy_idx_valid(int wiphy_idx) -{ - return wiphy_idx >= 0; -} - -static inline void -cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) -{ - int i; - - if (!rdev->wowlan) - return; - for (i = 0; i < rdev->wowlan->n_patterns; i++) - kfree(rdev->wowlan->patterns[i].mask); - kfree(rdev->wowlan->patterns); - kfree(rdev->wowlan); -} - -extern struct workqueue_struct *cfg80211_wq; -extern struct mutex cfg80211_mutex; -extern struct list_head cfg80211_rdev_list; -extern int cfg80211_rdev_list_generation; - -static inline void assert_cfg80211_lock(void) -{ - lockdep_assert_held(&cfg80211_mutex); -} - -/* - * You can use this to mark a wiphy_idx as not having an associated wiphy. - * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL - */ -#define WIPHY_IDX_STALE -1 - -struct cfg80211_internal_bss { - struct list_head list; - struct rb_node rbn; - unsigned long ts; - struct kref ref; - atomic_t hold; - bool beacon_ies_allocated; - bool proberesp_ies_allocated; - - /* must be last because of priv member */ - struct cfg80211_bss pub; -}; - -static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) -{ - return container_of(pub, struct cfg80211_internal_bss, pub); -} - -static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss) -{ - kref_get(&bss->ref); -} - -static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) -{ - atomic_inc(&bss->hold); -} - -static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) -{ - int r = atomic_dec_return(&bss->hold); - WARN_ON(r < 0); -} - - -struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); -int get_wiphy_idx(struct wiphy *wiphy); - -struct cfg80211_registered_device * -__cfg80211_rdev_from_info(struct genl_info *info); - -/* - * This function returns a pointer to the driver - * that the genl_info item that is passed refers to. - * If successful, it returns non-NULL and also locks - * the driver's mutex! - * - * This means that you need to call cfg80211_unlock_rdev() - * before being allowed to acquire &cfg80211_mutex! - * - * This is necessary because we need to lock the global - * mutex to get an item off the list safely, and then - * we lock the rdev mutex so it doesn't go away under us. - * - * We don't want to keep cfg80211_mutex locked - * for all the time in order to allow requests on - * other interfaces to go through at the same time. - * - * The result of this can be a PTR_ERR and hence must - * be checked with IS_ERR() for errors. - */ -extern struct cfg80211_registered_device * -cfg80211_get_dev_from_info(struct genl_info *info); - -/* requires cfg80211_rdev_mutex to be held! */ -struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); - -/* identical to cfg80211_get_dev_from_info but only operate on ifindex */ -extern struct cfg80211_registered_device * -cfg80211_get_dev_from_ifindex(struct net *net, int ifindex); - -int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, - struct net *net); - -static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev) -{ - mutex_lock(&rdev->mtx); -} - -static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev) -{ - BUG_ON(IS_ERR(rdev) || !rdev); - mutex_unlock(&rdev->mtx); -} - -static inline void wdev_lock(struct wireless_dev *wdev) - __acquires(wdev) -{ - mutex_lock(&wdev->mtx); - __acquire(wdev->mtx); -} - -static inline void wdev_unlock(struct wireless_dev *wdev) - __releases(wdev) -{ - __release(wdev->mtx); - mutex_unlock(&wdev->mtx); -} - -#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx) -#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) - -enum cfg80211_event_type { - EVENT_CONNECT_RESULT, - EVENT_ROAMED, - EVENT_DISCONNECTED, - EVENT_IBSS_JOINED, -}; - -struct cfg80211_event { - struct list_head list; - enum cfg80211_event_type type; - - union { - struct { - u8 bssid[ETH_ALEN]; - const u8 *req_ie; - const u8 *resp_ie; - size_t req_ie_len; - size_t resp_ie_len; - u16 status; - } cr; - struct { - const u8 *req_ie; - const u8 *resp_ie; - size_t req_ie_len; - size_t resp_ie_len; - struct cfg80211_bss *bss; - } rm; - struct { - const u8 *ie; - size_t ie_len; - u16 reason; - } dc; - struct { - u8 bssid[ETH_ALEN]; - } ij; - }; -}; - -struct cfg80211_cached_keys { - struct key_params params[6]; - u8 data[6][WLAN_MAX_KEY_LEN]; - int def, defmgmt; -}; - - -/* free object */ -extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); - -extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, - char *newname); - -void ieee80211_set_bitrate_flags(struct wiphy *wiphy); - -void cfg80211_bss_expire(struct cfg80211_registered_device *dev); -void cfg80211_bss_age(struct cfg80211_registered_device *dev, - unsigned long age_secs); - -/* IBSS */ -int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys); -int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys); -void cfg80211_clear_ibss(struct net_device *dev, bool nowext); -int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, bool nowext); -int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, bool nowext); -void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); -int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev); - -/* mesh */ -extern const struct mesh_config default_mesh_config; -extern const struct mesh_setup default_mesh_setup; -int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev, - const struct mesh_setup *setup, - const struct mesh_config *conf); -int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev, - const struct mesh_setup *setup, - const struct mesh_config *conf); -int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev); - -/* MLME */ -int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_auth_type auth_type, - const u8 *bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change); -int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, - struct net_device *dev, struct ieee80211_channel *chan, - enum nl80211_auth_type auth_type, const u8 *bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change); -int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - const u8 *bssid, const u8 *prev_bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, bool use_mfp, - struct cfg80211_crypto_settings *crypt); -int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, struct ieee80211_channel *chan, - const u8 *bssid, const u8 *prev_bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, bool use_mfp, - struct cfg80211_crypto_settings *crypt); -int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change); -int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change); -int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change); -void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, - struct net_device *dev); -void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, - u16 status, bool wextev, - struct cfg80211_bss *bss); -int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, - u16 frame_type, const u8 *match_data, - int match_len); -void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); -void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); -int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, bool offchan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, unsigned int wait, - const u8 *buf, size_t len, bool no_cck, - bool dont_wait_for_ack, u64 *cookie); - -/* SME */ -int __cfg80211_connect(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_connect_params *connect, - struct cfg80211_cached_keys *connkeys, - const u8 *prev_bssid); -int cfg80211_connect(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_connect_params *connect, - struct cfg80211_cached_keys *connkeys); -int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, - struct net_device *dev, u16 reason, - bool wextev); -int cfg80211_disconnect(struct cfg80211_registered_device *rdev, - struct net_device *dev, u16 reason, - bool wextev); -void __cfg80211_roamed(struct wireless_dev *wdev, - struct cfg80211_bss *bss, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len); -int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev); - -void cfg80211_conn_work(struct work_struct *work); -void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); -bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); - -/* internal helpers */ -bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); -int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, - struct key_params *params, int key_idx, - bool pairwise, const u8 *mac_addr); -void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, - size_t ie_len, u16 reason, bool from_ap); -void cfg80211_sme_scan_done(struct net_device *dev); -void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); -void cfg80211_sme_disassoc(struct net_device *dev, int idx); -void __cfg80211_scan_done(struct work_struct *wk); -void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); -void __cfg80211_sched_scan_results(struct work_struct *wk); -int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, - bool driver_initiated); -void cfg80211_upload_connect_keys(struct wireless_dev *wdev); -int cfg80211_change_iface(struct cfg80211_registered_device *rdev, - struct net_device *dev, enum nl80211_iftype ntype, - u32 *flags, struct vif_params *params); -void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); - -int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - enum nl80211_iftype iftype); - -static inline int -cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, - enum nl80211_iftype iftype) -{ - return cfg80211_can_change_interface(rdev, NULL, iftype); -} - -struct ieee80211_channel * -rdev_freq_to_chan(struct cfg80211_registered_device *rdev, - int freq, enum nl80211_channel_type channel_type); -int cfg80211_set_freq(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, int freq, - enum nl80211_channel_type channel_type); - -u16 cfg80211_calculate_bitrate(struct rate_info *rate); - -int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, - const u8 *rates, unsigned int n_rates, - u32 *mask); - -int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, - u32 beacon_int); - -#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS -#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) -#else -/* - * Trick to enable using it as a condition, - * and also not give a warning when it's - * not used that way. - */ -#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) -#endif - -#endif /* __NET_WIRELESS_CORE_H */ diff --git a/net/wireless_ath/db.txt b/net/wireless_ath/db.txt deleted file mode 100755 index 23b85a3..0000000 --- a/net/wireless_ath/db.txt +++ /dev/null @@ -1,697 +0,0 @@ -# This is the world regulatory domain -country 00: - (2402 - 2472 @ 40), (3, 20) - # Channel 12 - 13. No HT40 channel fits here - (2457 - 2482 @ 20), (3, 20), PASSIVE-SCAN, NO-IBSS - # Channel 14. Only JP enables this and for 802.11b only - (2474 - 2494 @ 20), (3, 20), PASSIVE-SCAN, NO-IBSS, NO-OFDM - # Channel 36 - 48 - (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS - # NB: 5260 MHz - 5700 MHz requies DFS - # Channel 149 - 165 - (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS - - -country AE: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country AL: - (2402 - 2482 @ 20), (N/A, 20) - -country AM: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (N/A, 18) - (5250 - 5330 @ 20), (N/A, 18), DFS - -country AN: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country AR: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country AT: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country AU: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 23) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country AW: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country AZ: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 18) - (5250 - 5330 @ 40), (N/A, 18), DFS - -country BA: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country BB: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 23) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country BD: - (2402 - 2482 @ 40), (N/A, 20) - -country BE: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country BG: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 23) - (5250 - 5290 @ 40), (N/A, 23), DFS - (5490 - 5710 @ 40), (N/A, 30), DFS - -country BH: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (N/A, 20) - (5250 - 5330 @ 20), (N/A, 20), DFS - (5735 - 5835 @ 20), (N/A, 20) - -country BL: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 18) - (5250 - 5330 @ 40), (N/A, 18), DFS - -country BN: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5735 - 5835 @ 40), (N/A, 30) - -country BO: - (2402 - 2482 @ 40), (N/A, 30) - (5735 - 5835 @ 40), (N/A, 30) - -country BR: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country BY: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country BZ: - (2402 - 2482 @ 40), (N/A, 30) - (5735 - 5835 @ 40), (N/A, 30) - -country CA: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country CH: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country CL: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5735 - 5835 @ 40), (N/A, 20) - -country CN: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country CO: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country CR: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (3, 17) - (5250 - 5330 @ 20), (3, 23), DFS - (5735 - 5835 @ 20), (3, 30) - -country CS: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country CY: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -# Data from http://www.ctu.eu/164/download/VOR/VOR-12-08-2005-34.pdf -# and http://www.ctu.eu/164/download/VOR/VOR-12-05-2007-6-AN.pdf -# Power at 5250 - 5350 MHz and 5470 - 5725 MHz can be doubled if TPC is -# implemented. -country CZ: DFS-ETSI - (2400 - 2483.5 @ 40), (N/A, 100 mW) - (5150 - 5250 @ 40), (N/A, 200 mW), NO-OUTDOOR - (5250 - 5350 @ 40), (N/A, 100 mW), NO-OUTDOOR, DFS - (5470 - 5725 @ 40), (N/A, 500 mW), DFS - -# Data from "Frequenznutzungsplan" (as published in April 2008), downloaded from -# http://www.bundesnetzagentur.de/cae/servlet/contentblob/38448/publicationFile/2659/Frequenznutzungsplan2008_Id17448pdf.pdf -# For the 5GHz range also see -# http://www.bundesnetzagentur.de/cae/servlet/contentblob/38216/publicationFile/6579/WLAN5GHzVfg7_2010_28042010pdf.pdf -# The values have been reduced by a factor of 2 (3db) for non TPC devices -# (in other words: devices with TPC can use twice the tx power of this table). -# Note that the docs do not require TPC for 5150--5250; the reduction to -# 100mW thus is not strictly required -- however the conservative 100mW -# limit is used here as the non-interference with radar and satellite -# apps relies on the attenuation by the building walls only in the -# absence of DFS; the neighbour countries have 100mW limit here as well. - -country DE: DFS-ETSI - # entries 279004 and 280006 - (2400 - 2483.5 @ 40), (N/A, 100 mW) - # entry 303005 - (5150 - 5250 @ 40), (N/A, 100 mW), NO-OUTDOOR - # entries 304002 and 305002 - (5250 - 5350 @ 40), (N/A, 100 mW), NO-OUTDOOR, DFS - # entries 308002, 309001 and 310003 - (5470 - 5725 @ 40), (N/A, 500 mW), DFS - -country DK: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country DO: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country DZ: - (2402 - 2482 @ 40), (N/A, 20) - -country EC: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (3, 17) - (5250 - 5330 @ 20), (3, 23), DFS - (5735 - 5835 @ 20), (3, 30) - -country EE: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country EG: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (N/A, 20) - (5250 - 5330 @ 20), (N/A, 20), DFS - -country ES: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country FI: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country FR: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country GE: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 18) - (5250 - 5330 @ 40), (N/A, 18), DFS - -country GB: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country GD: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country GR: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country GL: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (N/A, 20) - (5250 - 5330 @ 20), (N/A, 20), DFS - (5490 - 5710 @ 20), (N/A, 27), DFS - -country GT: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country GU: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 20), (3, 17) - (5250 - 5330 @ 20), (3, 23), DFS - (5735 - 5835 @ 20), (3, 30) - -country HN: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country HK: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country HR: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country HT: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country HU: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country ID: - (2402 - 2482 @ 40), (N/A, 20) - -country IE: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country IL: - (2402 - 2482 @ 40), (N/A, 20) - (5150 - 5250 @ 40), (N/A, 200 mW), NO-OUTDOOR - (5250 - 5350 @ 40), (N/A, 200 mW), NO-OUTDOOR, DFS - -country IN: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5735 - 5835 @ 40), (N/A, 20) - -country IS: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country IR: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country IT: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country JM: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country JP: - (2402 - 2472 @ 40), (N/A, 20) - (2457 - 2482 @ 20), (N/A, 20) - (2474 - 2494 @ 20), (N/A, 20), NO-OFDM - (4910 - 4930 @ 10), (N/A, 23) - (4910 - 4990 @ 40), (N/A, 23) - (4930 - 4950 @ 10), (N/A, 23) - (5030 - 5045 @ 10), (N/A, 23) - (5030 - 5090 @ 40), (N/A, 23) - (5050 - 5060 @ 10), (N/A, 23) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 23), DFS - -country JO: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 18) - -country KE: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country KH: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country KP: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5330 @ 40), (3, 20) - (5160 - 5250 @ 40), (3, 20), DFS - (5490 - 5630 @ 40), (3, 30), DFS - (5735 - 5815 @ 40), (3, 30) - -country KR: - (2402 - 2482 @ 20), (N/A, 20) - (5170 - 5250 @ 20), (3, 20) - (5250 - 5330 @ 20), (3, 20), DFS - (5490 - 5630 @ 20), (3, 30), DFS - (5735 - 5815 @ 20), (3, 30) - -country KW: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - -country KZ: - (2402 - 2482 @ 40), (N/A, 20) - -country LB: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country LI: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country LK: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (3, 17) - (5250 - 5330 @ 20), (3, 20), DFS - (5490 - 5710 @ 20), (3, 20), DFS - (5735 - 5835 @ 20), (3, 30) - -country LT: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country LU: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country LV: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country MC: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 18) - (5250 - 5330 @ 40), (N/A, 18), DFS - -country MA: - (2402 - 2482 @ 40), (N/A, 20) - -country MO: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 23) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country MK: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country MT: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country MY: - (2402 - 2482 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 30), DFS - (5735 - 5835 @ 40), (N/A, 30) - -country MX: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country NL: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20), NO-OUTDOOR - (5250 - 5330 @ 40), (N/A, 20), NO-OUTDOOR, DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country NO: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country NP: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country NZ: - (2402 - 2482 @ 40), (N/A, 30) - (5170 - 5250 @ 20), (3, 23) - (5250 - 5330 @ 20), (3, 23), DFS - (5735 - 5835 @ 20), (3, 30) - -country OM: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country PA: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country PE: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country PG: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country PH: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country PK: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country PL: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country PT: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country PR: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 23), DFS - (5735 - 5835 @ 40), (3, 30) - -country QA: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 40), (N/A, 30) - -country RO: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country RU: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5835 @ 20), (N/A, 30) - -country SA: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (3, 23) - (5250 - 5330 @ 20), (3, 23), DFS - (5735 - 5835 @ 20), (3, 30) - -country SE: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country SG: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5735 - 5835 @ 40), (N/A, 20) - -country SI: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country SK: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - (5490 - 5710 @ 40), (N/A, 27), DFS - -country SV: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (3, 17) - (5250 - 5330 @ 20), (3, 23), DFS - (5735 - 5835 @ 20), (3, 30) - -country SY: - (2402 - 2482 @ 40), (N/A, 20) - -country TW: - (2402 - 2472 @ 40), (3, 27) - (5270 - 5330 @ 40), (3, 17), DFS - (5735 - 5815 @ 40), (3, 30) - -country TH: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country TT: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country TN: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (N/A, 20) - (5250 - 5330 @ 20), (N/A, 20), DFS - -country TR: DFS-ETSI - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 20), (N/A, 20) - (5250 - 5330 @ 20), (N/A, 20), DFS - -country UA: - (2402 - 2482 @ 40), (N/A, 20) - -country US: DFS-FCC - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5600 @ 40), (3, 20), DFS - (5650 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country UY: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country UZ: - (2402 - 2472 @ 40), (3, 27) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country VE: - (2402 - 2482 @ 40), (N/A, 20) - (5735 - 5815 @ 40), (N/A, 23) - -country VN: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (N/A, 20) - (5250 - 5330 @ 40), (N/A, 20), DFS - -country YE: - (2402 - 2482 @ 40), (N/A, 20) - -country ZA: - (2402 - 2482 @ 40), (N/A, 20) - (5170 - 5250 @ 40), (3, 17) - (5250 - 5330 @ 40), (3, 20), DFS - (5490 - 5710 @ 40), (3, 20), DFS - (5735 - 5835 @ 40), (3, 30) - -country ZW: - (2402 - 2482 @ 40), (N/A, 20) - diff --git a/net/wireless_ath/debugfs.c b/net/wireless_ath/debugfs.c deleted file mode 100755 index 39765bc..0000000 --- a/net/wireless_ath/debugfs.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * cfg80211 debugfs - * - * Copyright 2009 Luis R. Rodriguez <lrodriguez@atheros.com> - * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/slab.h> -#include "core.h" -#include "debugfs.h" - -static int cfg80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ -static ssize_t name## _read(struct file *file, char __user *userbuf, \ - size_t count, loff_t *ppos) \ -{ \ - struct wiphy *wiphy= file->private_data; \ - char buf[buflen]; \ - int res; \ - \ - res = scnprintf(buf, buflen, fmt "\n", ##value); \ - return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ -} \ - \ -static const struct file_operations name## _ops = { \ - .read = name## _read, \ - .open = cfg80211_open_file_generic, \ - .llseek = generic_file_llseek, \ -}; - -DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d", - wiphy->rts_threshold) -DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d", - wiphy->frag_threshold); -DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d", - wiphy->retry_short) -DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d", - wiphy->retry_long); - -static int ht_print_chan(struct ieee80211_channel *chan, - char *buf, int buf_size, int offset) -{ - if (WARN_ON(offset > buf_size)) - return 0; - - if (chan->flags & IEEE80211_CHAN_DISABLED) - return snprintf(buf + offset, - buf_size - offset, - "%d Disabled\n", - chan->center_freq); - - return snprintf(buf + offset, - buf_size - offset, - "%d HT40 %c%c\n", - chan->center_freq, - (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) ? ' ' : '-', - (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) ? ' ' : '+'); -} - -static ssize_t ht40allow_map_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct wiphy *wiphy = file->private_data; - char *buf; - unsigned int offset = 0, buf_size = PAGE_SIZE, i, r; - enum ieee80211_band band; - struct ieee80211_supported_band *sband; - - buf = kzalloc(buf_size, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - mutex_lock(&cfg80211_mutex); - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - sband = wiphy->bands[band]; - if (!sband) - continue; - for (i = 0; i < sband->n_channels; i++) - offset += ht_print_chan(&sband->channels[i], - buf, buf_size, offset); - } - - mutex_unlock(&cfg80211_mutex); - - r = simple_read_from_buffer(user_buf, count, ppos, buf, offset); - - kfree(buf); - - return r; -} - -static const struct file_operations ht40allow_map_ops = { - .read = ht40allow_map_read, - .open = cfg80211_open_file_generic, - .llseek = default_llseek, -}; - -#define DEBUGFS_ADD(name) \ - debugfs_create_file(#name, S_IRUGO, phyd, &rdev->wiphy, &name## _ops); - -void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) -{ - struct dentry *phyd = rdev->wiphy.debugfsdir; - - DEBUGFS_ADD(rts_threshold); - DEBUGFS_ADD(fragmentation_threshold); - DEBUGFS_ADD(short_retry_limit); - DEBUGFS_ADD(long_retry_limit); - DEBUGFS_ADD(ht40allow_map); -} diff --git a/net/wireless_ath/debugfs.h b/net/wireless_ath/debugfs.h deleted file mode 100755 index 74fdd38..0000000 --- a/net/wireless_ath/debugfs.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef __CFG80211_DEBUGFS_H -#define __CFG80211_DEBUGFS_H - -#ifdef CONFIG_CFG80211_DEBUGFS -void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev); -#else -static inline -void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) {} -#endif - -#endif /* __CFG80211_DEBUGFS_H */ diff --git a/net/wireless_ath/ethtool.c b/net/wireless_ath/ethtool.c deleted file mode 100755 index 9bde4d1..0000000 --- a/net/wireless_ath/ethtool.c +++ /dev/null @@ -1,78 +0,0 @@ -#include <linux/utsname.h> -#include <net/cfg80211.h> -#include "core.h" -#include "ethtool.h" - -static void cfg80211_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name, - sizeof(info->driver)); - - strlcpy(info->version, init_utsname()->release, sizeof(info->version)); - - if (wdev->wiphy->fw_version[0]) - strncpy(info->fw_version, wdev->wiphy->fw_version, - sizeof(info->fw_version)); - else - strncpy(info->fw_version, "N/A", sizeof(info->fw_version)); - - strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)), - sizeof(info->bus_info)); -} - -static int cfg80211_get_regs_len(struct net_device *dev) -{ - /* For now, return 0... */ - return 0; -} - -static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs, - void *data) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - regs->version = wdev->wiphy->hw_version; - regs->len = 0; -} - -static void cfg80211_get_ringparam(struct net_device *dev, - struct ethtool_ringparam *rp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - - memset(rp, 0, sizeof(*rp)); - - if (rdev->ops->get_ringparam) - rdev->ops->get_ringparam(wdev->wiphy, - &rp->tx_pending, &rp->tx_max_pending, - &rp->rx_pending, &rp->rx_max_pending); -} - -static int cfg80211_set_ringparam(struct net_device *dev, - struct ethtool_ringparam *rp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - - if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0) - return -EINVAL; - - if (rdev->ops->set_ringparam) - return rdev->ops->set_ringparam(wdev->wiphy, - rp->tx_pending, rp->rx_pending); - - return -ENOTSUPP; -} - -const struct ethtool_ops cfg80211_ethtool_ops = { - .get_drvinfo = cfg80211_get_drvinfo, - .get_regs_len = cfg80211_get_regs_len, - .get_regs = cfg80211_get_regs, - .get_link = ethtool_op_get_link, - .get_ringparam = cfg80211_get_ringparam, - .set_ringparam = cfg80211_set_ringparam, -}; diff --git a/net/wireless_ath/ethtool.h b/net/wireless_ath/ethtool.h deleted file mode 100755 index 695ecad..0000000 --- a/net/wireless_ath/ethtool.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __CFG80211_ETHTOOL__ -#define __CFG80211_ETHTOOL__ - -extern const struct ethtool_ops cfg80211_ethtool_ops; - -#endif /* __CFG80211_ETHTOOL__ */ diff --git a/net/wireless_ath/genregdb.awk b/net/wireless_ath/genregdb.awk deleted file mode 100755 index 53c143f..0000000 --- a/net/wireless_ath/genregdb.awk +++ /dev/null @@ -1,119 +0,0 @@ -#!/usr/bin/awk -f -# -# genregdb.awk -- generate regdb.c from db.txt -# -# Actually, it reads from stdin (presumed to be db.txt) and writes -# to stdout (presumed to be regdb.c), but close enough... -# -# Copyright 2009 John W. Linville <linville@tuxdriver.com> -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. -# - -BEGIN { - active = 0 - rules = 0; - print "/*" - print " * DO NOT EDIT -- file generated from data in db.txt" - print " */" - print "" - print "#include <linux/nl80211.h>" - print "#include <net/cfg80211.h>" - print "#include \"regdb.h\"" - print "" - regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" -} - -/^[ \t]*#/ { - # Ignore -} - -!active && /^[ \t]*$/ { - # Ignore -} - -!active && /country/ { - country=$2 - sub(/:/, "", country) - printf "static const struct ieee80211_regdomain regdom_%s = {\n", country - printf "\t.alpha2 = \"%s\",\n", country - printf "\t.reg_rules = {\n" - active = 1 - regdb = regdb "\t®dom_" country ",\n" -} - -active && /^[ \t]*\(/ { - start = $1 - sub(/\(/, "", start) - end = $3 - bw = $5 - sub(/\),/, "", bw) - gain = $6 - sub(/\(/, "", gain) - sub(/,/, "", gain) - power = $7 - sub(/\)/, "", power) - sub(/,/, "", power) - # power might be in mW... - units = $8 - sub(/\)/, "", units) - sub(/,/, "", units) - if (units == "mW") { - if (power == 100) { - power = 20 - } else if (power == 200) { - power = 23 - } else if (power == 500) { - power = 27 - } else if (power == 1000) { - power = 30 - } else { - print "Unknown power value in database!" - } - } - flagstr = "" - for (i=8; i<=NF; i++) - flagstr = flagstr $i - split(flagstr, flagarray, ",") - flags = "" - for (arg in flagarray) { - if (flagarray[arg] == "NO-OFDM") { - flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | " - } else if (flagarray[arg] == "NO-CCK") { - flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | " - } else if (flagarray[arg] == "NO-INDOOR") { - flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | " - } else if (flagarray[arg] == "NO-OUTDOOR") { - flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | " - } else if (flagarray[arg] == "DFS") { - flags = flags "\n\t\t\tNL80211_RRF_DFS | " - } else if (flagarray[arg] == "PTP-ONLY") { - flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | " - } else if (flagarray[arg] == "PTMP-ONLY") { - flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " - } else if (flagarray[arg] == "PASSIVE-SCAN") { - flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | " - } else if (flagarray[arg] == "NO-IBSS") { - flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | " - } - } - flags = flags "0" - printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags - rules++ -} - -active && /^[ \t]*$/ { - active = 0 - printf "\t},\n" - printf "\t.n_reg_rules = %d\n", rules - printf "};\n\n" - rules = 0; -} - -END { - print regdb "};" - print "" - print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" -} diff --git a/net/wireless_ath/ibss.c b/net/wireless_ath/ibss.c deleted file mode 100755 index 30f20fe..0000000 --- a/net/wireless_ath/ibss.c +++ /dev/null @@ -1,527 +0,0 @@ -/* - * Some IBSS support code for cfg80211. - * - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - */ - -#include <linux/etherdevice.h> -#include <linux/if_arp.h> -#include <linux/slab.h> -#include <linux/export.h> -#include <net/cfg80211.h> -#include "wext-compat.h" -#include "nl80211.h" - - -void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_bss *bss; -#ifdef CONFIG_CFG80211_WEXT - union iwreq_data wrqu; -#endif - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return; - - if (!wdev->ssid_len) - return; - - bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, - wdev->ssid, wdev->ssid_len, - WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); - - if (WARN_ON(!bss)) - return; - - if (wdev->current_bss) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - } - - cfg80211_hold_bss(bss_from_pub(bss)); - wdev->current_bss = bss_from_pub(bss); - - cfg80211_upload_connect_keys(wdev); - - nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, - GFP_KERNEL); -#ifdef CONFIG_CFG80211_WEXT - memset(&wrqu, 0, sizeof(wrqu)); - memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN); - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); -#endif -} - -void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_event *ev; - unsigned long flags; - - CFG80211_DEV_WARN_ON(!wdev->ssid_len); - - ev = kzalloc(sizeof(*ev), gfp); - if (!ev) - return; - - ev->type = EVENT_IBSS_JOINED; - memcpy(ev->cr.bssid, bssid, ETH_ALEN); - - spin_lock_irqsave(&wdev->event_lock, flags); - list_add_tail(&ev->list, &wdev->event_list); - spin_unlock_irqrestore(&wdev->event_lock, flags); - queue_work(cfg80211_wq, &rdev->event_work); -} -EXPORT_SYMBOL(cfg80211_ibss_joined); - -int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->ssid_len) - return -EALREADY; - - if (!params->basic_rates) { - /* - * If no rates were explicitly configured, - * use the mandatory rate set for 11b or - * 11a for maximum compatibility. - */ - struct ieee80211_supported_band *sband = - rdev->wiphy.bands[params->channel->band]; - int j; - u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ? - IEEE80211_RATE_MANDATORY_A : - IEEE80211_RATE_MANDATORY_B; - - for (j = 0; j < sband->n_bitrates; j++) { - if (sband->bitrates[j].flags & flag) - params->basic_rates |= BIT(j); - } - } - - if (WARN_ON(wdev->connect_keys)) - kfree(wdev->connect_keys); - wdev->connect_keys = connkeys; - -#ifdef CONFIG_CFG80211_WEXT - wdev->wext.ibss.channel = params->channel; -#endif - err = rdev->ops->join_ibss(&rdev->wiphy, dev, params); - if (err) { - wdev->connect_keys = NULL; - return err; - } - - memcpy(wdev->ssid, params->ssid, params->ssid_len); - wdev->ssid_len = params->ssid_len; - - return 0; -} - -int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - err = __cfg80211_join_ibss(rdev, dev, params, connkeys); - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - - return err; -} - -static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - int i; - - ASSERT_WDEV_LOCK(wdev); - - kfree(wdev->connect_keys); - wdev->connect_keys = NULL; - - /* - * Delete all the keys ... pairwise keys can't really - * exist any more anyway, but default keys might. - */ - if (rdev->ops->del_key) - for (i = 0; i < 6; i++) - rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL); - - if (wdev->current_bss) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - } - - wdev->current_bss = NULL; - wdev->ssid_len = 0; -#ifdef CONFIG_CFG80211_WEXT - if (!nowext) - wdev->wext.ibss.ssid_len = 0; -#endif -} - -void cfg80211_clear_ibss(struct net_device *dev, bool nowext) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - wdev_lock(wdev); - __cfg80211_clear_ibss(dev, nowext); - wdev_unlock(wdev); -} - -int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, bool nowext) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - ASSERT_WDEV_LOCK(wdev); - - if (!wdev->ssid_len) - return -ENOLINK; - - err = rdev->ops->leave_ibss(&rdev->wiphy, dev); - - if (err) - return err; - - __cfg80211_clear_ibss(dev, nowext); - - return 0; -} - -int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, bool nowext) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_leave_ibss(rdev, dev, nowext); - wdev_unlock(wdev); - - return err; -} - -#ifdef CONFIG_CFG80211_WEXT -int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) -{ - struct cfg80211_cached_keys *ck = NULL; - enum ieee80211_band band; - int i, err; - - ASSERT_WDEV_LOCK(wdev); - - if (!wdev->wext.ibss.beacon_interval) - wdev->wext.ibss.beacon_interval = 100; - - /* try to find an IBSS channel if none requested ... */ - if (!wdev->wext.ibss.channel) { - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - struct ieee80211_supported_band *sband; - struct ieee80211_channel *chan; - - sband = rdev->wiphy.bands[band]; - if (!sband) - continue; - - for (i = 0; i < sband->n_channels; i++) { - chan = &sband->channels[i]; - if (chan->flags & IEEE80211_CHAN_NO_IBSS) - continue; - if (chan->flags & IEEE80211_CHAN_DISABLED) - continue; - wdev->wext.ibss.channel = chan; - break; - } - - if (wdev->wext.ibss.channel) - break; - } - - if (!wdev->wext.ibss.channel) - return -EINVAL; - } - - /* don't join -- SSID is not there */ - if (!wdev->wext.ibss.ssid_len) - return 0; - - if (!netif_running(wdev->netdev)) - return 0; - - if (wdev->wext.keys) { - wdev->wext.keys->def = wdev->wext.default_key; - wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key; - } - - wdev->wext.ibss.privacy = wdev->wext.default_key != -1; - - if (wdev->wext.keys) { - ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL); - if (!ck) - return -ENOMEM; - for (i = 0; i < 6; i++) - ck->params[i].key = ck->data[i]; - } - err = __cfg80211_join_ibss(rdev, wdev->netdev, - &wdev->wext.ibss, ck); - if (err) - kfree(ck); - - return err; -} - -int cfg80211_ibss_wext_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *wextfreq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct ieee80211_channel *chan = NULL; - int err, freq; - - /* call only for ibss! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return -EINVAL; - - if (!rdev->ops->join_ibss) - return -EOPNOTSUPP; - - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); - if (freq < 0) - return freq; - - if (freq) { - chan = ieee80211_get_channel(wdev->wiphy, freq); - if (!chan) - return -EINVAL; - if (chan->flags & IEEE80211_CHAN_NO_IBSS || - chan->flags & IEEE80211_CHAN_DISABLED) - return -EINVAL; - } - - if (wdev->wext.ibss.channel == chan) - return 0; - - wdev_lock(wdev); - err = 0; - if (wdev->ssid_len) - err = __cfg80211_leave_ibss(rdev, dev, true); - wdev_unlock(wdev); - - if (err) - return err; - - if (chan) { - wdev->wext.ibss.channel = chan; - wdev->wext.ibss.channel_fixed = true; - } else { - /* cfg80211_ibss_wext_join will pick one if needed */ - wdev->wext.ibss.channel_fixed = false; - } - - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - err = cfg80211_ibss_wext_join(rdev, wdev); - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - - return err; -} - -int cfg80211_ibss_wext_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct ieee80211_channel *chan = NULL; - - /* call only for ibss! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return -EINVAL; - - wdev_lock(wdev); - if (wdev->current_bss) - chan = wdev->current_bss->pub.channel; - else if (wdev->wext.ibss.channel) - chan = wdev->wext.ibss.channel; - wdev_unlock(wdev); - - if (chan) { - freq->m = chan->center_freq; - freq->e = 6; - return 0; - } - - /* no channel if not joining */ - return -EINVAL; -} - -int cfg80211_ibss_wext_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - size_t len = data->length; - int err; - - /* call only for ibss! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return -EINVAL; - - if (!rdev->ops->join_ibss) - return -EOPNOTSUPP; - - wdev_lock(wdev); - err = 0; - if (wdev->ssid_len) - err = __cfg80211_leave_ibss(rdev, dev, true); - wdev_unlock(wdev); - - if (err) - return err; - - /* iwconfig uses nul termination in SSID.. */ - if (len > 0 && ssid[len - 1] == '\0') - len--; - - wdev->wext.ibss.ssid = wdev->ssid; - memcpy(wdev->wext.ibss.ssid, ssid, len); - wdev->wext.ibss.ssid_len = len; - - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - err = cfg80211_ibss_wext_join(rdev, wdev); - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - - return err; -} - -int cfg80211_ibss_wext_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - /* call only for ibss! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return -EINVAL; - - data->flags = 0; - - wdev_lock(wdev); - if (wdev->ssid_len) { - data->flags = 1; - data->length = wdev->ssid_len; - memcpy(ssid, wdev->ssid, data->length); - } else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) { - data->flags = 1; - data->length = wdev->wext.ibss.ssid_len; - memcpy(ssid, wdev->wext.ibss.ssid, data->length); - } - wdev_unlock(wdev); - - return 0; -} - -int cfg80211_ibss_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u8 *bssid = ap_addr->sa_data; - int err; - - /* call only for ibss! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return -EINVAL; - - if (!rdev->ops->join_ibss) - return -EOPNOTSUPP; - - if (ap_addr->sa_family != ARPHRD_ETHER) - return -EINVAL; - - /* automatic mode */ - if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) - bssid = NULL; - - /* both automatic */ - if (!bssid && !wdev->wext.ibss.bssid) - return 0; - - /* fixed already - and no change */ - if (wdev->wext.ibss.bssid && bssid && - compare_ether_addr(bssid, wdev->wext.ibss.bssid) == 0) - return 0; - - wdev_lock(wdev); - err = 0; - if (wdev->ssid_len) - err = __cfg80211_leave_ibss(rdev, dev, true); - wdev_unlock(wdev); - - if (err) - return err; - - if (bssid) { - memcpy(wdev->wext.bssid, bssid, ETH_ALEN); - wdev->wext.ibss.bssid = wdev->wext.bssid; - } else - wdev->wext.ibss.bssid = NULL; - - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - err = cfg80211_ibss_wext_join(rdev, wdev); - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - - return err; -} - -int cfg80211_ibss_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - /* call only for ibss! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) - return -EINVAL; - - ap_addr->sa_family = ARPHRD_ETHER; - - wdev_lock(wdev); - if (wdev->current_bss) - memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN); - else if (wdev->wext.ibss.bssid) - memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN); - else - memset(ap_addr->sa_data, 0, ETH_ALEN); - - wdev_unlock(wdev); - - return 0; -} -#endif diff --git a/net/wireless_ath/lib80211.c b/net/wireless_ath/lib80211.c deleted file mode 100755 index a55c27b..0000000 --- a/net/wireless_ath/lib80211.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - * lib80211 -- common bits for IEEE802.11 drivers - * - * Copyright(c) 2008 John W. Linville <linville@tuxdriver.com> - * - * Portions copied from old ieee80211 component, w/ original copyright - * notices below: - * - * Host AP crypto routines - * - * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> - * Portions Copyright (C) 2004, Intel Corporation <jketreno@linux.intel.com> - * - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/ctype.h> -#include <linux/ieee80211.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/string.h> - -#include <net/lib80211.h> - -#define DRV_NAME "lib80211" - -#define DRV_DESCRIPTION "common routines for IEEE802.11 drivers" - -MODULE_DESCRIPTION(DRV_DESCRIPTION); -MODULE_AUTHOR("John W. Linville <linville@tuxdriver.com>"); -MODULE_LICENSE("GPL"); - -struct lib80211_crypto_alg { - struct list_head list; - struct lib80211_crypto_ops *ops; -}; - -static LIST_HEAD(lib80211_crypto_algs); -static DEFINE_SPINLOCK(lib80211_crypto_lock); - -static void lib80211_crypt_deinit_entries(struct lib80211_crypt_info *info, - int force); -static void lib80211_crypt_quiescing(struct lib80211_crypt_info *info); -static void lib80211_crypt_deinit_handler(unsigned long data); - -const char *print_ssid(char *buf, const char *ssid, u8 ssid_len) -{ - const char *s = ssid; - char *d = buf; - - ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN); - while (ssid_len--) { - if (isprint(*s)) { - *d++ = *s++; - continue; - } - - *d++ = '\\'; - if (*s == '\0') - *d++ = '0'; - else if (*s == '\n') - *d++ = 'n'; - else if (*s == '\r') - *d++ = 'r'; - else if (*s == '\t') - *d++ = 't'; - else if (*s == '\\') - *d++ = '\\'; - else - d += snprintf(d, 3, "%03o", *s); - s++; - } - *d = '\0'; - return buf; -} -EXPORT_SYMBOL(print_ssid); - -int lib80211_crypt_info_init(struct lib80211_crypt_info *info, char *name, - spinlock_t *lock) -{ - memset(info, 0, sizeof(*info)); - - info->name = name; - info->lock = lock; - - INIT_LIST_HEAD(&info->crypt_deinit_list); - setup_timer(&info->crypt_deinit_timer, lib80211_crypt_deinit_handler, - (unsigned long)info); - - return 0; -} -EXPORT_SYMBOL(lib80211_crypt_info_init); - -void lib80211_crypt_info_free(struct lib80211_crypt_info *info) -{ - int i; - - lib80211_crypt_quiescing(info); - del_timer_sync(&info->crypt_deinit_timer); - lib80211_crypt_deinit_entries(info, 1); - - for (i = 0; i < NUM_WEP_KEYS; i++) { - struct lib80211_crypt_data *crypt = info->crypt[i]; - if (crypt) { - if (crypt->ops) { - crypt->ops->deinit(crypt->priv); - module_put(crypt->ops->owner); - } - kfree(crypt); - info->crypt[i] = NULL; - } - } -} -EXPORT_SYMBOL(lib80211_crypt_info_free); - -static void lib80211_crypt_deinit_entries(struct lib80211_crypt_info *info, - int force) -{ - struct lib80211_crypt_data *entry, *next; - unsigned long flags; - - spin_lock_irqsave(info->lock, flags); - list_for_each_entry_safe(entry, next, &info->crypt_deinit_list, list) { - if (atomic_read(&entry->refcnt) != 0 && !force) - continue; - - list_del(&entry->list); - - if (entry->ops) { - entry->ops->deinit(entry->priv); - module_put(entry->ops->owner); - } - kfree(entry); - } - spin_unlock_irqrestore(info->lock, flags); -} - -/* After this, crypt_deinit_list won't accept new members */ -static void lib80211_crypt_quiescing(struct lib80211_crypt_info *info) -{ - unsigned long flags; - - spin_lock_irqsave(info->lock, flags); - info->crypt_quiesced = 1; - spin_unlock_irqrestore(info->lock, flags); -} - -static void lib80211_crypt_deinit_handler(unsigned long data) -{ - struct lib80211_crypt_info *info = (struct lib80211_crypt_info *)data; - unsigned long flags; - - lib80211_crypt_deinit_entries(info, 0); - - spin_lock_irqsave(info->lock, flags); - if (!list_empty(&info->crypt_deinit_list) && !info->crypt_quiesced) { - printk(KERN_DEBUG "%s: entries remaining in delayed crypt " - "deletion list\n", info->name); - info->crypt_deinit_timer.expires = jiffies + HZ; - add_timer(&info->crypt_deinit_timer); - } - spin_unlock_irqrestore(info->lock, flags); -} - -void lib80211_crypt_delayed_deinit(struct lib80211_crypt_info *info, - struct lib80211_crypt_data **crypt) -{ - struct lib80211_crypt_data *tmp; - unsigned long flags; - - if (*crypt == NULL) - return; - - tmp = *crypt; - *crypt = NULL; - - /* must not run ops->deinit() while there may be pending encrypt or - * decrypt operations. Use a list of delayed deinits to avoid needing - * locking. */ - - spin_lock_irqsave(info->lock, flags); - if (!info->crypt_quiesced) { - list_add(&tmp->list, &info->crypt_deinit_list); - if (!timer_pending(&info->crypt_deinit_timer)) { - info->crypt_deinit_timer.expires = jiffies + HZ; - add_timer(&info->crypt_deinit_timer); - } - } - spin_unlock_irqrestore(info->lock, flags); -} -EXPORT_SYMBOL(lib80211_crypt_delayed_deinit); - -int lib80211_register_crypto_ops(struct lib80211_crypto_ops *ops) -{ - unsigned long flags; - struct lib80211_crypto_alg *alg; - - alg = kzalloc(sizeof(*alg), GFP_KERNEL); - if (alg == NULL) - return -ENOMEM; - - alg->ops = ops; - - spin_lock_irqsave(&lib80211_crypto_lock, flags); - list_add(&alg->list, &lib80211_crypto_algs); - spin_unlock_irqrestore(&lib80211_crypto_lock, flags); - - printk(KERN_DEBUG "lib80211_crypt: registered algorithm '%s'\n", - ops->name); - - return 0; -} -EXPORT_SYMBOL(lib80211_register_crypto_ops); - -int lib80211_unregister_crypto_ops(struct lib80211_crypto_ops *ops) -{ - struct lib80211_crypto_alg *alg; - unsigned long flags; - - spin_lock_irqsave(&lib80211_crypto_lock, flags); - list_for_each_entry(alg, &lib80211_crypto_algs, list) { - if (alg->ops == ops) - goto found; - } - spin_unlock_irqrestore(&lib80211_crypto_lock, flags); - return -EINVAL; - - found: - printk(KERN_DEBUG "lib80211_crypt: unregistered algorithm '%s'\n", - ops->name); - list_del(&alg->list); - spin_unlock_irqrestore(&lib80211_crypto_lock, flags); - kfree(alg); - return 0; -} -EXPORT_SYMBOL(lib80211_unregister_crypto_ops); - -struct lib80211_crypto_ops *lib80211_get_crypto_ops(const char *name) -{ - struct lib80211_crypto_alg *alg; - unsigned long flags; - - spin_lock_irqsave(&lib80211_crypto_lock, flags); - list_for_each_entry(alg, &lib80211_crypto_algs, list) { - if (strcmp(alg->ops->name, name) == 0) - goto found; - } - spin_unlock_irqrestore(&lib80211_crypto_lock, flags); - return NULL; - - found: - spin_unlock_irqrestore(&lib80211_crypto_lock, flags); - return alg->ops; -} -EXPORT_SYMBOL(lib80211_get_crypto_ops); - -static void *lib80211_crypt_null_init(int keyidx) -{ - return (void *)1; -} - -static void lib80211_crypt_null_deinit(void *priv) -{ -} - -static struct lib80211_crypto_ops lib80211_crypt_null = { - .name = "NULL", - .init = lib80211_crypt_null_init, - .deinit = lib80211_crypt_null_deinit, - .owner = THIS_MODULE, -}; - -static int __init lib80211_init(void) -{ - pr_info(DRV_DESCRIPTION "\n"); - return lib80211_register_crypto_ops(&lib80211_crypt_null); -} - -static void __exit lib80211_exit(void) -{ - lib80211_unregister_crypto_ops(&lib80211_crypt_null); - BUG_ON(!list_empty(&lib80211_crypto_algs)); -} - -module_init(lib80211_init); -module_exit(lib80211_exit); diff --git a/net/wireless_ath/lib80211_crypt_ccmp.c b/net/wireless_ath/lib80211_crypt_ccmp.c deleted file mode 100755 index 755738d..0000000 --- a/net/wireless_ath/lib80211_crypt_ccmp.c +++ /dev/null @@ -1,491 +0,0 @@ -/* - * lib80211 crypt: host-based CCMP encryption implementation for lib80211 - * - * Copyright (c) 2003-2004, Jouni Malinen <j@w1.fi> - * Copyright (c) 2008, John W. Linville <linville@tuxdriver.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. See README and COPYING for - * more details. - */ - -#include <linux/kernel.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/if_ether.h> -#include <linux/if_arp.h> -#include <asm/string.h> -#include <linux/wireless.h> - -#include <linux/ieee80211.h> - -#include <linux/crypto.h> - -#include <net/lib80211.h> - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Host AP crypt: CCMP"); -MODULE_LICENSE("GPL"); - -#define AES_BLOCK_LEN 16 -#define CCMP_HDR_LEN 8 -#define CCMP_MIC_LEN 8 -#define CCMP_TK_LEN 16 -#define CCMP_PN_LEN 6 - -struct lib80211_ccmp_data { - u8 key[CCMP_TK_LEN]; - int key_set; - - u8 tx_pn[CCMP_PN_LEN]; - u8 rx_pn[CCMP_PN_LEN]; - - u32 dot11RSNAStatsCCMPFormatErrors; - u32 dot11RSNAStatsCCMPReplays; - u32 dot11RSNAStatsCCMPDecryptErrors; - - int key_idx; - - struct crypto_cipher *tfm; - - /* scratch buffers for virt_to_page() (crypto API) */ - u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN], - tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN]; - u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN]; -}; - -static inline void lib80211_ccmp_aes_encrypt(struct crypto_cipher *tfm, - const u8 pt[16], u8 ct[16]) -{ - crypto_cipher_encrypt_one(tfm, ct, pt); -} - -static void *lib80211_ccmp_init(int key_idx) -{ - struct lib80211_ccmp_data *priv; - - priv = kzalloc(sizeof(*priv), GFP_ATOMIC); - if (priv == NULL) - goto fail; - priv->key_idx = key_idx; - - priv->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->tfm)) { - priv->tfm = NULL; - goto fail; - } - - return priv; - - fail: - if (priv) { - if (priv->tfm) - crypto_free_cipher(priv->tfm); - kfree(priv); - } - - return NULL; -} - -static void lib80211_ccmp_deinit(void *priv) -{ - struct lib80211_ccmp_data *_priv = priv; - if (_priv && _priv->tfm) - crypto_free_cipher(_priv->tfm); - kfree(priv); -} - -static inline void xor_block(u8 * b, u8 * a, size_t len) -{ - int i; - for (i = 0; i < len; i++) - b[i] ^= a[i]; -} - -static void ccmp_init_blocks(struct crypto_cipher *tfm, - struct ieee80211_hdr *hdr, - u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0) -{ - u8 *pos, qc = 0; - size_t aad_len; - int a4_included, qc_included; - u8 aad[2 * AES_BLOCK_LEN]; - - a4_included = ieee80211_has_a4(hdr->frame_control); - qc_included = ieee80211_is_data_qos(hdr->frame_control); - - aad_len = 22; - if (a4_included) - aad_len += 6; - if (qc_included) { - pos = (u8 *) & hdr->addr4; - if (a4_included) - pos += 6; - qc = *pos & 0x0f; - aad_len += 2; - } - - /* CCM Initial Block: - * Flag (Include authentication header, M=3 (8-octet MIC), - * L=1 (2-octet Dlen)) - * Nonce: 0x00 | A2 | PN - * Dlen */ - b0[0] = 0x59; - b0[1] = qc; - memcpy(b0 + 2, hdr->addr2, ETH_ALEN); - memcpy(b0 + 8, pn, CCMP_PN_LEN); - b0[14] = (dlen >> 8) & 0xff; - b0[15] = dlen & 0xff; - - /* AAD: - * FC with bits 4..6 and 11..13 masked to zero; 14 is always one - * A1 | A2 | A3 - * SC with bits 4..15 (seq#) masked to zero - * A4 (if present) - * QC (if present) - */ - pos = (u8 *) hdr; - aad[0] = 0; /* aad_len >> 8 */ - aad[1] = aad_len & 0xff; - aad[2] = pos[0] & 0x8f; - aad[3] = pos[1] & 0xc7; - memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN); - pos = (u8 *) & hdr->seq_ctrl; - aad[22] = pos[0] & 0x0f; - aad[23] = 0; /* all bits masked */ - memset(aad + 24, 0, 8); - if (a4_included) - memcpy(aad + 24, hdr->addr4, ETH_ALEN); - if (qc_included) { - aad[a4_included ? 30 : 24] = qc; - /* rest of QC masked */ - } - - /* Start with the first block and AAD */ - lib80211_ccmp_aes_encrypt(tfm, b0, auth); - xor_block(auth, aad, AES_BLOCK_LEN); - lib80211_ccmp_aes_encrypt(tfm, auth, auth); - xor_block(auth, &aad[AES_BLOCK_LEN], AES_BLOCK_LEN); - lib80211_ccmp_aes_encrypt(tfm, auth, auth); - b0[0] &= 0x07; - b0[14] = b0[15] = 0; - lib80211_ccmp_aes_encrypt(tfm, b0, s0); -} - -static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len, - u8 *aeskey, int keylen, void *priv) -{ - struct lib80211_ccmp_data *key = priv; - int i; - u8 *pos; - - if (skb_headroom(skb) < CCMP_HDR_LEN || skb->len < hdr_len) - return -1; - - if (aeskey != NULL && keylen >= CCMP_TK_LEN) - memcpy(aeskey, key->key, CCMP_TK_LEN); - - pos = skb_push(skb, CCMP_HDR_LEN); - memmove(pos, pos + CCMP_HDR_LEN, hdr_len); - pos += hdr_len; - - i = CCMP_PN_LEN - 1; - while (i >= 0) { - key->tx_pn[i]++; - if (key->tx_pn[i] != 0) - break; - i--; - } - - *pos++ = key->tx_pn[5]; - *pos++ = key->tx_pn[4]; - *pos++ = 0; - *pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */ ; - *pos++ = key->tx_pn[3]; - *pos++ = key->tx_pn[2]; - *pos++ = key->tx_pn[1]; - *pos++ = key->tx_pn[0]; - - return CCMP_HDR_LEN; -} - -static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) -{ - struct lib80211_ccmp_data *key = priv; - int data_len, i, blocks, last, len; - u8 *pos, *mic; - struct ieee80211_hdr *hdr; - u8 *b0 = key->tx_b0; - u8 *b = key->tx_b; - u8 *e = key->tx_e; - u8 *s0 = key->tx_s0; - - if (skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len) - return -1; - - data_len = skb->len - hdr_len; - len = lib80211_ccmp_hdr(skb, hdr_len, NULL, 0, priv); - if (len < 0) - return -1; - - pos = skb->data + hdr_len + CCMP_HDR_LEN; - hdr = (struct ieee80211_hdr *)skb->data; - ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0); - - blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN); - last = data_len % AES_BLOCK_LEN; - - for (i = 1; i <= blocks; i++) { - len = (i == blocks && last) ? last : AES_BLOCK_LEN; - /* Authentication */ - xor_block(b, pos, len); - lib80211_ccmp_aes_encrypt(key->tfm, b, b); - /* Encryption, with counter */ - b0[14] = (i >> 8) & 0xff; - b0[15] = i & 0xff; - lib80211_ccmp_aes_encrypt(key->tfm, b0, e); - xor_block(pos, e, len); - pos += len; - } - - mic = skb_put(skb, CCMP_MIC_LEN); - for (i = 0; i < CCMP_MIC_LEN; i++) - mic[i] = b[i] ^ s0[i]; - - return 0; -} - -/* - * deal with seq counter wrapping correctly. - * refer to timer_after() for jiffies wrapping handling - */ -static inline int ccmp_replay_check(u8 *pn_n, u8 *pn_o) -{ - u32 iv32_n, iv16_n; - u32 iv32_o, iv16_o; - - iv32_n = (pn_n[0] << 24) | (pn_n[1] << 16) | (pn_n[2] << 8) | pn_n[3]; - iv16_n = (pn_n[4] << 8) | pn_n[5]; - - iv32_o = (pn_o[0] << 24) | (pn_o[1] << 16) | (pn_o[2] << 8) | pn_o[3]; - iv16_o = (pn_o[4] << 8) | pn_o[5]; - - if ((s32)iv32_n - (s32)iv32_o < 0 || - (iv32_n == iv32_o && iv16_n <= iv16_o)) - return 1; - return 0; -} - -static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) -{ - struct lib80211_ccmp_data *key = priv; - u8 keyidx, *pos; - struct ieee80211_hdr *hdr; - u8 *b0 = key->rx_b0; - u8 *b = key->rx_b; - u8 *a = key->rx_a; - u8 pn[6]; - int i, blocks, last, len; - size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN - CCMP_MIC_LEN; - u8 *mic = skb->data + skb->len - CCMP_MIC_LEN; - - if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) { - key->dot11RSNAStatsCCMPFormatErrors++; - return -1; - } - - hdr = (struct ieee80211_hdr *)skb->data; - pos = skb->data + hdr_len; - keyidx = pos[3]; - if (!(keyidx & (1 << 5))) { - if (net_ratelimit()) { - printk(KERN_DEBUG "CCMP: received packet without ExtIV" - " flag from %pM\n", hdr->addr2); - } - key->dot11RSNAStatsCCMPFormatErrors++; - return -2; - } - keyidx >>= 6; - if (key->key_idx != keyidx) { - printk(KERN_DEBUG "CCMP: RX tkey->key_idx=%d frame " - "keyidx=%d priv=%p\n", key->key_idx, keyidx, priv); - return -6; - } - if (!key->key_set) { - if (net_ratelimit()) { - printk(KERN_DEBUG "CCMP: received packet from %pM" - " with keyid=%d that does not have a configured" - " key\n", hdr->addr2, keyidx); - } - return -3; - } - - pn[0] = pos[7]; - pn[1] = pos[6]; - pn[2] = pos[5]; - pn[3] = pos[4]; - pn[4] = pos[1]; - pn[5] = pos[0]; - pos += 8; - - if (ccmp_replay_check(pn, key->rx_pn)) { -#ifdef CONFIG_LIB80211_DEBUG - if (net_ratelimit()) { - printk(KERN_DEBUG "CCMP: replay detected: STA=%pM " - "previous PN %02x%02x%02x%02x%02x%02x " - "received PN %02x%02x%02x%02x%02x%02x\n", - hdr->addr2, - key->rx_pn[0], key->rx_pn[1], key->rx_pn[2], - key->rx_pn[3], key->rx_pn[4], key->rx_pn[5], - pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]); - } -#endif - key->dot11RSNAStatsCCMPReplays++; - return -4; - } - - ccmp_init_blocks(key->tfm, hdr, pn, data_len, b0, a, b); - xor_block(mic, b, CCMP_MIC_LEN); - - blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN); - last = data_len % AES_BLOCK_LEN; - - for (i = 1; i <= blocks; i++) { - len = (i == blocks && last) ? last : AES_BLOCK_LEN; - /* Decrypt, with counter */ - b0[14] = (i >> 8) & 0xff; - b0[15] = i & 0xff; - lib80211_ccmp_aes_encrypt(key->tfm, b0, b); - xor_block(pos, b, len); - /* Authentication */ - xor_block(a, pos, len); - lib80211_ccmp_aes_encrypt(key->tfm, a, a); - pos += len; - } - - if (memcmp(mic, a, CCMP_MIC_LEN) != 0) { - if (net_ratelimit()) { - printk(KERN_DEBUG "CCMP: decrypt failed: STA=" - "%pM\n", hdr->addr2); - } - key->dot11RSNAStatsCCMPDecryptErrors++; - return -5; - } - - memcpy(key->rx_pn, pn, CCMP_PN_LEN); - - /* Remove hdr and MIC */ - memmove(skb->data + CCMP_HDR_LEN, skb->data, hdr_len); - skb_pull(skb, CCMP_HDR_LEN); - skb_trim(skb, skb->len - CCMP_MIC_LEN); - - return keyidx; -} - -static int lib80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv) -{ - struct lib80211_ccmp_data *data = priv; - int keyidx; - struct crypto_cipher *tfm = data->tfm; - - keyidx = data->key_idx; - memset(data, 0, sizeof(*data)); - data->key_idx = keyidx; - data->tfm = tfm; - if (len == CCMP_TK_LEN) { - memcpy(data->key, key, CCMP_TK_LEN); - data->key_set = 1; - if (seq) { - data->rx_pn[0] = seq[5]; - data->rx_pn[1] = seq[4]; - data->rx_pn[2] = seq[3]; - data->rx_pn[3] = seq[2]; - data->rx_pn[4] = seq[1]; - data->rx_pn[5] = seq[0]; - } - crypto_cipher_setkey(data->tfm, data->key, CCMP_TK_LEN); - } else if (len == 0) - data->key_set = 0; - else - return -1; - - return 0; -} - -static int lib80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv) -{ - struct lib80211_ccmp_data *data = priv; - - if (len < CCMP_TK_LEN) - return -1; - - if (!data->key_set) - return 0; - memcpy(key, data->key, CCMP_TK_LEN); - - if (seq) { - seq[0] = data->tx_pn[5]; - seq[1] = data->tx_pn[4]; - seq[2] = data->tx_pn[3]; - seq[3] = data->tx_pn[2]; - seq[4] = data->tx_pn[1]; - seq[5] = data->tx_pn[0]; - } - - return CCMP_TK_LEN; -} - -static char *lib80211_ccmp_print_stats(char *p, void *priv) -{ - struct lib80211_ccmp_data *ccmp = priv; - - p += sprintf(p, "key[%d] alg=CCMP key_set=%d " - "tx_pn=%02x%02x%02x%02x%02x%02x " - "rx_pn=%02x%02x%02x%02x%02x%02x " - "format_errors=%d replays=%d decrypt_errors=%d\n", - ccmp->key_idx, ccmp->key_set, - ccmp->tx_pn[0], ccmp->tx_pn[1], ccmp->tx_pn[2], - ccmp->tx_pn[3], ccmp->tx_pn[4], ccmp->tx_pn[5], - ccmp->rx_pn[0], ccmp->rx_pn[1], ccmp->rx_pn[2], - ccmp->rx_pn[3], ccmp->rx_pn[4], ccmp->rx_pn[5], - ccmp->dot11RSNAStatsCCMPFormatErrors, - ccmp->dot11RSNAStatsCCMPReplays, - ccmp->dot11RSNAStatsCCMPDecryptErrors); - - return p; -} - -static struct lib80211_crypto_ops lib80211_crypt_ccmp = { - .name = "CCMP", - .init = lib80211_ccmp_init, - .deinit = lib80211_ccmp_deinit, - .encrypt_mpdu = lib80211_ccmp_encrypt, - .decrypt_mpdu = lib80211_ccmp_decrypt, - .encrypt_msdu = NULL, - .decrypt_msdu = NULL, - .set_key = lib80211_ccmp_set_key, - .get_key = lib80211_ccmp_get_key, - .print_stats = lib80211_ccmp_print_stats, - .extra_mpdu_prefix_len = CCMP_HDR_LEN, - .extra_mpdu_postfix_len = CCMP_MIC_LEN, - .owner = THIS_MODULE, -}; - -static int __init lib80211_crypto_ccmp_init(void) -{ - return lib80211_register_crypto_ops(&lib80211_crypt_ccmp); -} - -static void __exit lib80211_crypto_ccmp_exit(void) -{ - lib80211_unregister_crypto_ops(&lib80211_crypt_ccmp); -} - -module_init(lib80211_crypto_ccmp_init); -module_exit(lib80211_crypto_ccmp_exit); diff --git a/net/wireless_ath/lib80211_crypt_tkip.c b/net/wireless_ath/lib80211_crypt_tkip.c deleted file mode 100755 index 3873484..0000000 --- a/net/wireless_ath/lib80211_crypt_tkip.c +++ /dev/null @@ -1,780 +0,0 @@ -/* - * lib80211 crypt: host-based TKIP encryption implementation for lib80211 - * - * Copyright (c) 2003-2004, Jouni Malinen <j@w1.fi> - * Copyright (c) 2008, John W. Linville <linville@tuxdriver.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. See README and COPYING for - * more details. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/err.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/scatterlist.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/mm.h> -#include <linux/if_ether.h> -#include <linux/if_arp.h> -#include <asm/string.h> - -#include <linux/wireless.h> -#include <linux/ieee80211.h> -#include <net/iw_handler.h> - -#include <linux/crypto.h> -#include <linux/crc32.h> - -#include <net/lib80211.h> - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("lib80211 crypt: TKIP"); -MODULE_LICENSE("GPL"); - -#define TKIP_HDR_LEN 8 - -struct lib80211_tkip_data { -#define TKIP_KEY_LEN 32 - u8 key[TKIP_KEY_LEN]; - int key_set; - - u32 tx_iv32; - u16 tx_iv16; - u16 tx_ttak[5]; - int tx_phase1_done; - - u32 rx_iv32; - u16 rx_iv16; - u16 rx_ttak[5]; - int rx_phase1_done; - u32 rx_iv32_new; - u16 rx_iv16_new; - - u32 dot11RSNAStatsTKIPReplays; - u32 dot11RSNAStatsTKIPICVErrors; - u32 dot11RSNAStatsTKIPLocalMICFailures; - - int key_idx; - - struct crypto_blkcipher *rx_tfm_arc4; - struct crypto_hash *rx_tfm_michael; - struct crypto_blkcipher *tx_tfm_arc4; - struct crypto_hash *tx_tfm_michael; - - /* scratch buffers for virt_to_page() (crypto API) */ - u8 rx_hdr[16], tx_hdr[16]; - - unsigned long flags; -}; - -static unsigned long lib80211_tkip_set_flags(unsigned long flags, void *priv) -{ - struct lib80211_tkip_data *_priv = priv; - unsigned long old_flags = _priv->flags; - _priv->flags = flags; - return old_flags; -} - -static unsigned long lib80211_tkip_get_flags(void *priv) -{ - struct lib80211_tkip_data *_priv = priv; - return _priv->flags; -} - -static void *lib80211_tkip_init(int key_idx) -{ - struct lib80211_tkip_data *priv; - - priv = kzalloc(sizeof(*priv), GFP_ATOMIC); - if (priv == NULL) - goto fail; - - priv->key_idx = key_idx; - - priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->tx_tfm_arc4)) { - priv->tx_tfm_arc4 = NULL; - goto fail; - } - - priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->tx_tfm_michael)) { - priv->tx_tfm_michael = NULL; - goto fail; - } - - priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->rx_tfm_arc4)) { - priv->rx_tfm_arc4 = NULL; - goto fail; - } - - priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0, - CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->rx_tfm_michael)) { - priv->rx_tfm_michael = NULL; - goto fail; - } - - return priv; - - fail: - if (priv) { - if (priv->tx_tfm_michael) - crypto_free_hash(priv->tx_tfm_michael); - if (priv->tx_tfm_arc4) - crypto_free_blkcipher(priv->tx_tfm_arc4); - if (priv->rx_tfm_michael) - crypto_free_hash(priv->rx_tfm_michael); - if (priv->rx_tfm_arc4) - crypto_free_blkcipher(priv->rx_tfm_arc4); - kfree(priv); - } - - return NULL; -} - -static void lib80211_tkip_deinit(void *priv) -{ - struct lib80211_tkip_data *_priv = priv; - if (_priv) { - if (_priv->tx_tfm_michael) - crypto_free_hash(_priv->tx_tfm_michael); - if (_priv->tx_tfm_arc4) - crypto_free_blkcipher(_priv->tx_tfm_arc4); - if (_priv->rx_tfm_michael) - crypto_free_hash(_priv->rx_tfm_michael); - if (_priv->rx_tfm_arc4) - crypto_free_blkcipher(_priv->rx_tfm_arc4); - } - kfree(priv); -} - -static inline u16 RotR1(u16 val) -{ - return (val >> 1) | (val << 15); -} - -static inline u8 Lo8(u16 val) -{ - return val & 0xff; -} - -static inline u8 Hi8(u16 val) -{ - return val >> 8; -} - -static inline u16 Lo16(u32 val) -{ - return val & 0xffff; -} - -static inline u16 Hi16(u32 val) -{ - return val >> 16; -} - -static inline u16 Mk16(u8 hi, u8 lo) -{ - return lo | (((u16) hi) << 8); -} - -static inline u16 Mk16_le(__le16 * v) -{ - return le16_to_cpu(*v); -} - -static const u16 Sbox[256] = { - 0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154, - 0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A, - 0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B, - 0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B, - 0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F, - 0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F, - 0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5, - 0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F, - 0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB, - 0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397, - 0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED, - 0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A, - 0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194, - 0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3, - 0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104, - 0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D, - 0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39, - 0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695, - 0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83, - 0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76, - 0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4, - 0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B, - 0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0, - 0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018, - 0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751, - 0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85, - 0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12, - 0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9, - 0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7, - 0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A, - 0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8, - 0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A, -}; - -static inline u16 _S_(u16 v) -{ - u16 t = Sbox[Hi8(v)]; - return Sbox[Lo8(v)] ^ ((t << 8) | (t >> 8)); -} - -#define PHASE1_LOOP_COUNT 8 - -static void tkip_mixing_phase1(u16 * TTAK, const u8 * TK, const u8 * TA, - u32 IV32) -{ - int i, j; - - /* Initialize the 80-bit TTAK from TSC (IV32) and TA[0..5] */ - TTAK[0] = Lo16(IV32); - TTAK[1] = Hi16(IV32); - TTAK[2] = Mk16(TA[1], TA[0]); - TTAK[3] = Mk16(TA[3], TA[2]); - TTAK[4] = Mk16(TA[5], TA[4]); - - for (i = 0; i < PHASE1_LOOP_COUNT; i++) { - j = 2 * (i & 1); - TTAK[0] += _S_(TTAK[4] ^ Mk16(TK[1 + j], TK[0 + j])); - TTAK[1] += _S_(TTAK[0] ^ Mk16(TK[5 + j], TK[4 + j])); - TTAK[2] += _S_(TTAK[1] ^ Mk16(TK[9 + j], TK[8 + j])); - TTAK[3] += _S_(TTAK[2] ^ Mk16(TK[13 + j], TK[12 + j])); - TTAK[4] += _S_(TTAK[3] ^ Mk16(TK[1 + j], TK[0 + j])) + i; - } -} - -static void tkip_mixing_phase2(u8 * WEPSeed, const u8 * TK, const u16 * TTAK, - u16 IV16) -{ - /* Make temporary area overlap WEP seed so that the final copy can be - * avoided on little endian hosts. */ - u16 *PPK = (u16 *) & WEPSeed[4]; - - /* Step 1 - make copy of TTAK and bring in TSC */ - PPK[0] = TTAK[0]; - PPK[1] = TTAK[1]; - PPK[2] = TTAK[2]; - PPK[3] = TTAK[3]; - PPK[4] = TTAK[4]; - PPK[5] = TTAK[4] + IV16; - - /* Step 2 - 96-bit bijective mixing using S-box */ - PPK[0] += _S_(PPK[5] ^ Mk16_le((__le16 *) & TK[0])); - PPK[1] += _S_(PPK[0] ^ Mk16_le((__le16 *) & TK[2])); - PPK[2] += _S_(PPK[1] ^ Mk16_le((__le16 *) & TK[4])); - PPK[3] += _S_(PPK[2] ^ Mk16_le((__le16 *) & TK[6])); - PPK[4] += _S_(PPK[3] ^ Mk16_le((__le16 *) & TK[8])); - PPK[5] += _S_(PPK[4] ^ Mk16_le((__le16 *) & TK[10])); - - PPK[0] += RotR1(PPK[5] ^ Mk16_le((__le16 *) & TK[12])); - PPK[1] += RotR1(PPK[0] ^ Mk16_le((__le16 *) & TK[14])); - PPK[2] += RotR1(PPK[1]); - PPK[3] += RotR1(PPK[2]); - PPK[4] += RotR1(PPK[3]); - PPK[5] += RotR1(PPK[4]); - - /* Step 3 - bring in last of TK bits, assign 24-bit WEP IV value - * WEPSeed[0..2] is transmitted as WEP IV */ - WEPSeed[0] = Hi8(IV16); - WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F; - WEPSeed[2] = Lo8(IV16); - WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((__le16 *) & TK[0])) >> 1); - -#ifdef __BIG_ENDIAN - { - int i; - for (i = 0; i < 6; i++) - PPK[i] = (PPK[i] << 8) | (PPK[i] >> 8); - } -#endif -} - -static int lib80211_tkip_hdr(struct sk_buff *skb, int hdr_len, - u8 * rc4key, int keylen, void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - u8 *pos; - struct ieee80211_hdr *hdr; - - hdr = (struct ieee80211_hdr *)skb->data; - - if (skb_headroom(skb) < TKIP_HDR_LEN || skb->len < hdr_len) - return -1; - - if (rc4key == NULL || keylen < 16) - return -1; - - if (!tkey->tx_phase1_done) { - tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2, - tkey->tx_iv32); - tkey->tx_phase1_done = 1; - } - tkip_mixing_phase2(rc4key, tkey->key, tkey->tx_ttak, tkey->tx_iv16); - - pos = skb_push(skb, TKIP_HDR_LEN); - memmove(pos, pos + TKIP_HDR_LEN, hdr_len); - pos += hdr_len; - - *pos++ = *rc4key; - *pos++ = *(rc4key + 1); - *pos++ = *(rc4key + 2); - *pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ; - *pos++ = tkey->tx_iv32 & 0xff; - *pos++ = (tkey->tx_iv32 >> 8) & 0xff; - *pos++ = (tkey->tx_iv32 >> 16) & 0xff; - *pos++ = (tkey->tx_iv32 >> 24) & 0xff; - - tkey->tx_iv16++; - if (tkey->tx_iv16 == 0) { - tkey->tx_phase1_done = 0; - tkey->tx_iv32++; - } - - return TKIP_HDR_LEN; -} - -static int lib80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - struct blkcipher_desc desc = { .tfm = tkey->tx_tfm_arc4 }; - int len; - u8 rc4key[16], *pos, *icv; - u32 crc; - struct scatterlist sg; - - if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) { - if (net_ratelimit()) { - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *)skb->data; - printk(KERN_DEBUG ": TKIP countermeasures: dropped " - "TX packet to %pM\n", hdr->addr1); - } - return -1; - } - - if (skb_tailroom(skb) < 4 || skb->len < hdr_len) - return -1; - - len = skb->len - hdr_len; - pos = skb->data + hdr_len; - - if ((lib80211_tkip_hdr(skb, hdr_len, rc4key, 16, priv)) < 0) - return -1; - - crc = ~crc32_le(~0, pos, len); - icv = skb_put(skb, 4); - icv[0] = crc; - icv[1] = crc >> 8; - icv[2] = crc >> 16; - icv[3] = crc >> 24; - - crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); - sg_init_one(&sg, pos, len + 4); - return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); -} - -/* - * deal with seq counter wrapping correctly. - * refer to timer_after() for jiffies wrapping handling - */ -static inline int tkip_replay_check(u32 iv32_n, u16 iv16_n, - u32 iv32_o, u16 iv16_o) -{ - if ((s32)iv32_n - (s32)iv32_o < 0 || - (iv32_n == iv32_o && iv16_n <= iv16_o)) - return 1; - return 0; -} - -static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - struct blkcipher_desc desc = { .tfm = tkey->rx_tfm_arc4 }; - u8 rc4key[16]; - u8 keyidx, *pos; - u32 iv32; - u16 iv16; - struct ieee80211_hdr *hdr; - u8 icv[4]; - u32 crc; - struct scatterlist sg; - int plen; - - hdr = (struct ieee80211_hdr *)skb->data; - - if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) { - if (net_ratelimit()) { - printk(KERN_DEBUG ": TKIP countermeasures: dropped " - "received packet from %pM\n", hdr->addr2); - } - return -1; - } - - if (skb->len < hdr_len + TKIP_HDR_LEN + 4) - return -1; - - pos = skb->data + hdr_len; - keyidx = pos[3]; - if (!(keyidx & (1 << 5))) { - if (net_ratelimit()) { - printk(KERN_DEBUG "TKIP: received packet without ExtIV" - " flag from %pM\n", hdr->addr2); - } - return -2; - } - keyidx >>= 6; - if (tkey->key_idx != keyidx) { - printk(KERN_DEBUG "TKIP: RX tkey->key_idx=%d frame " - "keyidx=%d priv=%p\n", tkey->key_idx, keyidx, priv); - return -6; - } - if (!tkey->key_set) { - if (net_ratelimit()) { - printk(KERN_DEBUG "TKIP: received packet from %pM" - " with keyid=%d that does not have a configured" - " key\n", hdr->addr2, keyidx); - } - return -3; - } - iv16 = (pos[0] << 8) | pos[2]; - iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24); - pos += TKIP_HDR_LEN; - - if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) { -#ifdef CONFIG_LIB80211_DEBUG - if (net_ratelimit()) { - printk(KERN_DEBUG "TKIP: replay detected: STA=%pM" - " previous TSC %08x%04x received TSC " - "%08x%04x\n", hdr->addr2, - tkey->rx_iv32, tkey->rx_iv16, iv32, iv16); - } -#endif - tkey->dot11RSNAStatsTKIPReplays++; - return -4; - } - - if (iv32 != tkey->rx_iv32 || !tkey->rx_phase1_done) { - tkip_mixing_phase1(tkey->rx_ttak, tkey->key, hdr->addr2, iv32); - tkey->rx_phase1_done = 1; - } - tkip_mixing_phase2(rc4key, tkey->key, tkey->rx_ttak, iv16); - - plen = skb->len - hdr_len - 12; - - crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); - sg_init_one(&sg, pos, plen + 4); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) { - if (net_ratelimit()) { - printk(KERN_DEBUG ": TKIP: failed to decrypt " - "received packet from %pM\n", - hdr->addr2); - } - return -7; - } - - crc = ~crc32_le(~0, pos, plen); - icv[0] = crc; - icv[1] = crc >> 8; - icv[2] = crc >> 16; - icv[3] = crc >> 24; - if (memcmp(icv, pos + plen, 4) != 0) { - if (iv32 != tkey->rx_iv32) { - /* Previously cached Phase1 result was already lost, so - * it needs to be recalculated for the next packet. */ - tkey->rx_phase1_done = 0; - } -#ifdef CONFIG_LIB80211_DEBUG - if (net_ratelimit()) { - printk(KERN_DEBUG "TKIP: ICV error detected: STA=" - "%pM\n", hdr->addr2); - } -#endif - tkey->dot11RSNAStatsTKIPICVErrors++; - return -5; - } - - /* Update real counters only after Michael MIC verification has - * completed */ - tkey->rx_iv32_new = iv32; - tkey->rx_iv16_new = iv16; - - /* Remove IV and ICV */ - memmove(skb->data + TKIP_HDR_LEN, skb->data, hdr_len); - skb_pull(skb, TKIP_HDR_LEN); - skb_trim(skb, skb->len - 4); - - return keyidx; -} - -static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr, - u8 * data, size_t data_len, u8 * mic) -{ - struct hash_desc desc; - struct scatterlist sg[2]; - - if (tfm_michael == NULL) { - pr_warn("%s(): tfm_michael == NULL\n", __func__); - return -1; - } - sg_init_table(sg, 2); - sg_set_buf(&sg[0], hdr, 16); - sg_set_buf(&sg[1], data, data_len); - - if (crypto_hash_setkey(tfm_michael, key, 8)) - return -1; - - desc.tfm = tfm_michael; - desc.flags = 0; - return crypto_hash_digest(&desc, sg, data_len + 16, mic); -} - -static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr) -{ - struct ieee80211_hdr *hdr11; - - hdr11 = (struct ieee80211_hdr *)skb->data; - - switch (le16_to_cpu(hdr11->frame_control) & - (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { - case IEEE80211_FCTL_TODS: - memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ - break; - case IEEE80211_FCTL_FROMDS: - memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */ - break; - case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: - memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */ - break; - case 0: - memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ - break; - } - - if (ieee80211_is_data_qos(hdr11->frame_control)) { - hdr[12] = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(hdr11))) - & IEEE80211_QOS_CTL_TID_MASK; - } else - hdr[12] = 0; /* priority */ - - hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */ -} - -static int lib80211_michael_mic_add(struct sk_buff *skb, int hdr_len, - void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - u8 *pos; - - if (skb_tailroom(skb) < 8 || skb->len < hdr_len) { - printk(KERN_DEBUG "Invalid packet for Michael MIC add " - "(tailroom=%d hdr_len=%d skb->len=%d)\n", - skb_tailroom(skb), hdr_len, skb->len); - return -1; - } - - michael_mic_hdr(skb, tkey->tx_hdr); - pos = skb_put(skb, 8); - if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr, - skb->data + hdr_len, skb->len - 8 - hdr_len, pos)) - return -1; - - return 0; -} - -static void lib80211_michael_mic_failure(struct net_device *dev, - struct ieee80211_hdr *hdr, - int keyidx) -{ - union iwreq_data wrqu; - struct iw_michaelmicfailure ev; - - /* TODO: needed parameters: count, keyid, key type, TSC */ - memset(&ev, 0, sizeof(ev)); - ev.flags = keyidx & IW_MICFAILURE_KEY_ID; - if (hdr->addr1[0] & 0x01) - ev.flags |= IW_MICFAILURE_GROUP; - else - ev.flags |= IW_MICFAILURE_PAIRWISE; - ev.src_addr.sa_family = ARPHRD_ETHER; - memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = sizeof(ev); - wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); -} - -static int lib80211_michael_mic_verify(struct sk_buff *skb, int keyidx, - int hdr_len, void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - u8 mic[8]; - - if (!tkey->key_set) - return -1; - - michael_mic_hdr(skb, tkey->rx_hdr); - if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr, - skb->data + hdr_len, skb->len - 8 - hdr_len, mic)) - return -1; - if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) { - struct ieee80211_hdr *hdr; - hdr = (struct ieee80211_hdr *)skb->data; - printk(KERN_DEBUG "%s: Michael MIC verification failed for " - "MSDU from %pM keyidx=%d\n", - skb->dev ? skb->dev->name : "N/A", hdr->addr2, - keyidx); - if (skb->dev) - lib80211_michael_mic_failure(skb->dev, hdr, keyidx); - tkey->dot11RSNAStatsTKIPLocalMICFailures++; - return -1; - } - - /* Update TSC counters for RX now that the packet verification has - * completed. */ - tkey->rx_iv32 = tkey->rx_iv32_new; - tkey->rx_iv16 = tkey->rx_iv16_new; - - skb_trim(skb, skb->len - 8); - - return 0; -} - -static int lib80211_tkip_set_key(void *key, int len, u8 * seq, void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - int keyidx; - struct crypto_hash *tfm = tkey->tx_tfm_michael; - struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4; - struct crypto_hash *tfm3 = tkey->rx_tfm_michael; - struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4; - - keyidx = tkey->key_idx; - memset(tkey, 0, sizeof(*tkey)); - tkey->key_idx = keyidx; - tkey->tx_tfm_michael = tfm; - tkey->tx_tfm_arc4 = tfm2; - tkey->rx_tfm_michael = tfm3; - tkey->rx_tfm_arc4 = tfm4; - if (len == TKIP_KEY_LEN) { - memcpy(tkey->key, key, TKIP_KEY_LEN); - tkey->key_set = 1; - tkey->tx_iv16 = 1; /* TSC is initialized to 1 */ - if (seq) { - tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) | - (seq[3] << 8) | seq[2]; - tkey->rx_iv16 = (seq[1] << 8) | seq[0]; - } - } else if (len == 0) - tkey->key_set = 0; - else - return -1; - - return 0; -} - -static int lib80211_tkip_get_key(void *key, int len, u8 * seq, void *priv) -{ - struct lib80211_tkip_data *tkey = priv; - - if (len < TKIP_KEY_LEN) - return -1; - - if (!tkey->key_set) - return 0; - memcpy(key, tkey->key, TKIP_KEY_LEN); - - if (seq) { - /* Return the sequence number of the last transmitted frame. */ - u16 iv16 = tkey->tx_iv16; - u32 iv32 = tkey->tx_iv32; - if (iv16 == 0) - iv32--; - iv16--; - seq[0] = tkey->tx_iv16; - seq[1] = tkey->tx_iv16 >> 8; - seq[2] = tkey->tx_iv32; - seq[3] = tkey->tx_iv32 >> 8; - seq[4] = tkey->tx_iv32 >> 16; - seq[5] = tkey->tx_iv32 >> 24; - } - - return TKIP_KEY_LEN; -} - -static char *lib80211_tkip_print_stats(char *p, void *priv) -{ - struct lib80211_tkip_data *tkip = priv; - p += sprintf(p, "key[%d] alg=TKIP key_set=%d " - "tx_pn=%02x%02x%02x%02x%02x%02x " - "rx_pn=%02x%02x%02x%02x%02x%02x " - "replays=%d icv_errors=%d local_mic_failures=%d\n", - tkip->key_idx, tkip->key_set, - (tkip->tx_iv32 >> 24) & 0xff, - (tkip->tx_iv32 >> 16) & 0xff, - (tkip->tx_iv32 >> 8) & 0xff, - tkip->tx_iv32 & 0xff, - (tkip->tx_iv16 >> 8) & 0xff, - tkip->tx_iv16 & 0xff, - (tkip->rx_iv32 >> 24) & 0xff, - (tkip->rx_iv32 >> 16) & 0xff, - (tkip->rx_iv32 >> 8) & 0xff, - tkip->rx_iv32 & 0xff, - (tkip->rx_iv16 >> 8) & 0xff, - tkip->rx_iv16 & 0xff, - tkip->dot11RSNAStatsTKIPReplays, - tkip->dot11RSNAStatsTKIPICVErrors, - tkip->dot11RSNAStatsTKIPLocalMICFailures); - return p; -} - -static struct lib80211_crypto_ops lib80211_crypt_tkip = { - .name = "TKIP", - .init = lib80211_tkip_init, - .deinit = lib80211_tkip_deinit, - .encrypt_mpdu = lib80211_tkip_encrypt, - .decrypt_mpdu = lib80211_tkip_decrypt, - .encrypt_msdu = lib80211_michael_mic_add, - .decrypt_msdu = lib80211_michael_mic_verify, - .set_key = lib80211_tkip_set_key, - .get_key = lib80211_tkip_get_key, - .print_stats = lib80211_tkip_print_stats, - .extra_mpdu_prefix_len = 4 + 4, /* IV + ExtIV */ - .extra_mpdu_postfix_len = 4, /* ICV */ - .extra_msdu_postfix_len = 8, /* MIC */ - .get_flags = lib80211_tkip_get_flags, - .set_flags = lib80211_tkip_set_flags, - .owner = THIS_MODULE, -}; - -static int __init lib80211_crypto_tkip_init(void) -{ - return lib80211_register_crypto_ops(&lib80211_crypt_tkip); -} - -static void __exit lib80211_crypto_tkip_exit(void) -{ - lib80211_unregister_crypto_ops(&lib80211_crypt_tkip); -} - -module_init(lib80211_crypto_tkip_init); -module_exit(lib80211_crypto_tkip_exit); diff --git a/net/wireless_ath/lib80211_crypt_wep.c b/net/wireless_ath/lib80211_crypt_wep.c deleted file mode 100755 index c130401..0000000 --- a/net/wireless_ath/lib80211_crypt_wep.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * lib80211 crypt: host-based WEP encryption implementation for lib80211 - * - * Copyright (c) 2002-2004, Jouni Malinen <j@w1.fi> - * Copyright (c) 2008, John W. Linville <linville@tuxdriver.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. See README and COPYING for - * more details. - */ - -#include <linux/err.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/scatterlist.h> -#include <linux/skbuff.h> -#include <linux/mm.h> -#include <asm/string.h> - -#include <net/lib80211.h> - -#include <linux/crypto.h> -#include <linux/crc32.h> - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("lib80211 crypt: WEP"); -MODULE_LICENSE("GPL"); - -struct lib80211_wep_data { - u32 iv; -#define WEP_KEY_LEN 13 - u8 key[WEP_KEY_LEN + 1]; - u8 key_len; - u8 key_idx; - struct crypto_blkcipher *tx_tfm; - struct crypto_blkcipher *rx_tfm; -}; - -static void *lib80211_wep_init(int keyidx) -{ - struct lib80211_wep_data *priv; - - priv = kzalloc(sizeof(*priv), GFP_ATOMIC); - if (priv == NULL) - goto fail; - priv->key_idx = keyidx; - - priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->tx_tfm)) { - priv->tx_tfm = NULL; - goto fail; - } - - priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(priv->rx_tfm)) { - priv->rx_tfm = NULL; - goto fail; - } - /* start WEP IV from a random value */ - get_random_bytes(&priv->iv, 4); - - return priv; - - fail: - if (priv) { - if (priv->tx_tfm) - crypto_free_blkcipher(priv->tx_tfm); - if (priv->rx_tfm) - crypto_free_blkcipher(priv->rx_tfm); - kfree(priv); - } - return NULL; -} - -static void lib80211_wep_deinit(void *priv) -{ - struct lib80211_wep_data *_priv = priv; - if (_priv) { - if (_priv->tx_tfm) - crypto_free_blkcipher(_priv->tx_tfm); - if (_priv->rx_tfm) - crypto_free_blkcipher(_priv->rx_tfm); - } - kfree(priv); -} - -/* Add WEP IV/key info to a frame that has at least 4 bytes of headroom */ -static int lib80211_wep_build_iv(struct sk_buff *skb, int hdr_len, - u8 *key, int keylen, void *priv) -{ - struct lib80211_wep_data *wep = priv; - u32 klen; - u8 *pos; - - if (skb_headroom(skb) < 4 || skb->len < hdr_len) - return -1; - - pos = skb_push(skb, 4); - memmove(pos, pos + 4, hdr_len); - pos += hdr_len; - - klen = 3 + wep->key_len; - - wep->iv++; - - /* Fluhrer, Mantin, and Shamir have reported weaknesses in the key - * scheduling algorithm of RC4. At least IVs (KeyByte + 3, 0xff, N) - * can be used to speedup attacks, so avoid using them. */ - if ((wep->iv & 0xff00) == 0xff00) { - u8 B = (wep->iv >> 16) & 0xff; - if (B >= 3 && B < klen) - wep->iv += 0x0100; - } - - /* Prepend 24-bit IV to RC4 key and TX frame */ - *pos++ = (wep->iv >> 16) & 0xff; - *pos++ = (wep->iv >> 8) & 0xff; - *pos++ = wep->iv & 0xff; - *pos++ = wep->key_idx << 6; - - return 0; -} - -/* Perform WEP encryption on given skb that has at least 4 bytes of headroom - * for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted, - * so the payload length increases with 8 bytes. - * - * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data)) - */ -static int lib80211_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) -{ - struct lib80211_wep_data *wep = priv; - struct blkcipher_desc desc = { .tfm = wep->tx_tfm }; - u32 crc, klen, len; - u8 *pos, *icv; - struct scatterlist sg; - u8 key[WEP_KEY_LEN + 3]; - - /* other checks are in lib80211_wep_build_iv */ - if (skb_tailroom(skb) < 4) - return -1; - - /* add the IV to the frame */ - if (lib80211_wep_build_iv(skb, hdr_len, NULL, 0, priv)) - return -1; - - /* Copy the IV into the first 3 bytes of the key */ - skb_copy_from_linear_data_offset(skb, hdr_len, key, 3); - - /* Copy rest of the WEP key (the secret part) */ - memcpy(key + 3, wep->key, wep->key_len); - - len = skb->len - hdr_len - 4; - pos = skb->data + hdr_len + 4; - klen = 3 + wep->key_len; - - /* Append little-endian CRC32 over only the data and encrypt it to produce ICV */ - crc = ~crc32_le(~0, pos, len); - icv = skb_put(skb, 4); - icv[0] = crc; - icv[1] = crc >> 8; - icv[2] = crc >> 16; - icv[3] = crc >> 24; - - crypto_blkcipher_setkey(wep->tx_tfm, key, klen); - sg_init_one(&sg, pos, len + 4); - return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); -} - -/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of - * the frame: IV (4 bytes), encrypted payload (including SNAP header), - * ICV (4 bytes). len includes both IV and ICV. - * - * Returns 0 if frame was decrypted successfully and ICV was correct and -1 on - * failure. If frame is OK, IV and ICV will be removed. - */ -static int lib80211_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) -{ - struct lib80211_wep_data *wep = priv; - struct blkcipher_desc desc = { .tfm = wep->rx_tfm }; - u32 crc, klen, plen; - u8 key[WEP_KEY_LEN + 3]; - u8 keyidx, *pos, icv[4]; - struct scatterlist sg; - - if (skb->len < hdr_len + 8) - return -1; - - pos = skb->data + hdr_len; - key[0] = *pos++; - key[1] = *pos++; - key[2] = *pos++; - keyidx = *pos++ >> 6; - if (keyidx != wep->key_idx) - return -1; - - klen = 3 + wep->key_len; - - /* Copy rest of the WEP key (the secret part) */ - memcpy(key + 3, wep->key, wep->key_len); - - /* Apply RC4 to data and compute CRC32 over decrypted data */ - plen = skb->len - hdr_len - 8; - - crypto_blkcipher_setkey(wep->rx_tfm, key, klen); - sg_init_one(&sg, pos, plen + 4); - if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) - return -7; - - crc = ~crc32_le(~0, pos, plen); - icv[0] = crc; - icv[1] = crc >> 8; - icv[2] = crc >> 16; - icv[3] = crc >> 24; - if (memcmp(icv, pos + plen, 4) != 0) { - /* ICV mismatch - drop frame */ - return -2; - } - - /* Remove IV and ICV */ - memmove(skb->data + 4, skb->data, hdr_len); - skb_pull(skb, 4); - skb_trim(skb, skb->len - 4); - - return 0; -} - -static int lib80211_wep_set_key(void *key, int len, u8 * seq, void *priv) -{ - struct lib80211_wep_data *wep = priv; - - if (len < 0 || len > WEP_KEY_LEN) - return -1; - - memcpy(wep->key, key, len); - wep->key_len = len; - - return 0; -} - -static int lib80211_wep_get_key(void *key, int len, u8 * seq, void *priv) -{ - struct lib80211_wep_data *wep = priv; - - if (len < wep->key_len) - return -1; - - memcpy(key, wep->key, wep->key_len); - - return wep->key_len; -} - -static char *lib80211_wep_print_stats(char *p, void *priv) -{ - struct lib80211_wep_data *wep = priv; - p += sprintf(p, "key[%d] alg=WEP len=%d\n", wep->key_idx, wep->key_len); - return p; -} - -static struct lib80211_crypto_ops lib80211_crypt_wep = { - .name = "WEP", - .init = lib80211_wep_init, - .deinit = lib80211_wep_deinit, - .encrypt_mpdu = lib80211_wep_encrypt, - .decrypt_mpdu = lib80211_wep_decrypt, - .encrypt_msdu = NULL, - .decrypt_msdu = NULL, - .set_key = lib80211_wep_set_key, - .get_key = lib80211_wep_get_key, - .print_stats = lib80211_wep_print_stats, - .extra_mpdu_prefix_len = 4, /* IV */ - .extra_mpdu_postfix_len = 4, /* ICV */ - .owner = THIS_MODULE, -}; - -static int __init lib80211_crypto_wep_init(void) -{ - return lib80211_register_crypto_ops(&lib80211_crypt_wep); -} - -static void __exit lib80211_crypto_wep_exit(void) -{ - lib80211_unregister_crypto_ops(&lib80211_crypt_wep); -} - -module_init(lib80211_crypto_wep_init); -module_exit(lib80211_crypto_wep_exit); diff --git a/net/wireless_ath/mesh.c b/net/wireless_ath/mesh.c deleted file mode 100755 index ba5337d..0000000 --- a/net/wireless_ath/mesh.c +++ /dev/null @@ -1,165 +0,0 @@ -#include <linux/ieee80211.h> -#include <linux/export.h> -#include <net/cfg80211.h> -#include "nl80211.h" -#include "core.h" - -/* Default values, timeouts in ms */ -#define MESH_TTL 31 -#define MESH_DEFAULT_ELEMENT_TTL 31 -#define MESH_MAX_RETR 3 -#define MESH_RET_T 100 -#define MESH_CONF_T 100 -#define MESH_HOLD_T 100 - -#define MESH_PATH_TIMEOUT 5000 -#define MESH_RANN_INTERVAL 5000 - -/* - * Minimum interval between two consecutive PREQs originated by the same - * interface - */ -#define MESH_PREQ_MIN_INT 10 -#define MESH_DIAM_TRAVERSAL_TIME 50 - -/* - * A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds - * before timing out. This way it will remain ACTIVE and no data frames - * will be unnecessarily held in the pending queue. - */ -#define MESH_PATH_REFRESH_TIME 1000 -#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME) - -/* Default maximum number of established plinks per interface */ -#define MESH_MAX_ESTAB_PLINKS 32 - -#define MESH_MAX_PREQ_RETRIES 4 - - -const struct mesh_config default_mesh_config = { - .dot11MeshRetryTimeout = MESH_RET_T, - .dot11MeshConfirmTimeout = MESH_CONF_T, - .dot11MeshHoldingTimeout = MESH_HOLD_T, - .dot11MeshMaxRetries = MESH_MAX_RETR, - .dot11MeshTTL = MESH_TTL, - .element_ttl = MESH_DEFAULT_ELEMENT_TTL, - .auto_open_plinks = true, - .dot11MeshMaxPeerLinks = MESH_MAX_ESTAB_PLINKS, - .dot11MeshHWMPactivePathTimeout = MESH_PATH_TIMEOUT, - .dot11MeshHWMPpreqMinInterval = MESH_PREQ_MIN_INT, - .dot11MeshHWMPnetDiameterTraversalTime = MESH_DIAM_TRAVERSAL_TIME, - .dot11MeshHWMPmaxPREQretries = MESH_MAX_PREQ_RETRIES, - .path_refresh_time = MESH_PATH_REFRESH_TIME, - .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT, - .dot11MeshHWMPRannInterval = MESH_RANN_INTERVAL, - .dot11MeshGateAnnouncementProtocol = false, -}; - -const struct mesh_setup default_mesh_setup = { - .path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP, - .path_metric = IEEE80211_PATH_METRIC_AIRTIME, - .ie = NULL, - .ie_len = 0, - .is_secure = false, -}; - -int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev, - const struct mesh_setup *setup, - const struct mesh_config *conf) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN); - - ASSERT_WDEV_LOCK(wdev); - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && - setup->is_secure) - return -EOPNOTSUPP; - - if (wdev->mesh_id_len) - return -EALREADY; - - if (!setup->mesh_id_len) - return -EINVAL; - - if (!rdev->ops->join_mesh) - return -EOPNOTSUPP; - - err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, setup); - if (!err) { - memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len); - wdev->mesh_id_len = setup->mesh_id_len; - } - - return err; -} - -int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev, - const struct mesh_setup *setup, - const struct mesh_config *conf) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_join_mesh(rdev, dev, setup, conf); - wdev_unlock(wdev); - - return err; -} - -void cfg80211_notify_new_peer_candidate(struct net_device *dev, - const u8 *macaddr, const u8* ie, u8 ie_len, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) - return; - - nl80211_send_new_peer_candidate(wiphy_to_dev(wdev->wiphy), dev, - macaddr, ie, ie_len, gfp); -} -EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); - -static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - ASSERT_WDEV_LOCK(wdev); - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - if (!rdev->ops->leave_mesh) - return -EOPNOTSUPP; - - if (!wdev->mesh_id_len) - return -ENOTCONN; - - err = rdev->ops->leave_mesh(&rdev->wiphy, dev); - if (!err) - wdev->mesh_id_len = 0; - return err; -} - -int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_leave_mesh(rdev, dev); - wdev_unlock(wdev); - - return err; -} diff --git a/net/wireless_ath/mlme.c b/net/wireless_ath/mlme.c deleted file mode 100755 index 6c1bafd..0000000 --- a/net/wireless_ath/mlme.c +++ /dev/null @@ -1,1140 +0,0 @@ -/* - * cfg80211 MLME SAP interface - * - * Copyright (c) 2009, Jouni Malinen <j@w1.fi> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/nl80211.h> -#include <linux/slab.h> -#include <linux/wireless.h> -#include <net/cfg80211.h> -#include <net/iw_handler.h> -#include "core.h" -#include "nl80211.h" - -void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; - u8 *bssid = mgmt->bssid; - int i; - u16 status = le16_to_cpu(mgmt->u.auth.status_code); - bool done = false; - - wdev_lock(wdev); - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] && - memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, - ETH_ALEN) == 0) { - if (status == WLAN_STATUS_SUCCESS) { - wdev->auth_bsses[i] = wdev->authtry_bsses[i]; - } else { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - } - wdev->authtry_bsses[i] = NULL; - done = true; - break; - } - } - - if (done) { - nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); - cfg80211_sme_rx_auth(dev, buf, len); - } - - wdev_unlock(wdev); -} -EXPORT_SYMBOL(cfg80211_send_rx_auth); - -void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) -{ - u16 status_code; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; - u8 *ie = mgmt->u.assoc_resp.variable; - int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); - struct cfg80211_internal_bss *bss = NULL; - - wdev_lock(wdev); - - status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); - - /* - * This is a bit of a hack, we don't notify userspace of - * a (re-)association reply if we tried to send a reassoc - * and got a reject -- we only try again with an assoc - * frame instead of reassoc. - */ - if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && - cfg80211_sme_failed_reassoc(wdev)) - goto out; - - nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); - - if (status_code == WLAN_STATUS_SUCCESS) { - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (!wdev->auth_bsses[i]) - continue; - if (memcmp(wdev->auth_bsses[i]->pub.bssid, mgmt->bssid, - ETH_ALEN) == 0) { - bss = wdev->auth_bsses[i]; - wdev->auth_bsses[i] = NULL; - /* additional reference to drop hold */ - cfg80211_ref_bss(bss); - break; - } - } - - /* - * We might be coming here because the driver reported - * a successful association at the same time as the - * user requested a deauth. In that case, we will have - * removed the BSS from the auth_bsses list due to the - * deauth request when the assoc response makes it. If - * the two code paths acquire the lock the other way - * around, that's just the standard situation of a - * deauth being requested while connected. - */ - if (!bss) - goto out; - } else if (wdev->conn) { - cfg80211_sme_failed_assoc(wdev); - /* - * do not call connect_result() now because the - * sme will schedule work that does it later. - */ - goto out; - } - - if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { - /* - * This is for the userspace SME, the CONNECTING - * state will be changed to CONNECTED by - * __cfg80211_connect_result() below. - */ - wdev->sme_state = CFG80211_SME_CONNECTING; - } - - /* this consumes one bss reference (unless bss is NULL) */ - __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, - status_code, - status_code == WLAN_STATUS_SUCCESS, - bss ? &bss->pub : NULL); - /* drop hold now, and also reference acquired above */ - if (bss) { - cfg80211_unhold_bss(bss); - cfg80211_put_bss(&bss->pub); - } - - out: - wdev_unlock(wdev); -} -EXPORT_SYMBOL(cfg80211_send_rx_assoc); - -void __cfg80211_send_deauth(struct net_device *dev, - const u8 *buf, size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; - const u8 *bssid = mgmt->bssid; - int i; - bool found = false, was_current = false; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->current_bss && - memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - wdev->current_bss = NULL; - found = true; - was_current = true; - } else for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i] && - memcmp(wdev->auth_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->auth_bsses[i]); - cfg80211_put_bss(&wdev->auth_bsses[i]->pub); - wdev->auth_bsses[i] = NULL; - found = true; - break; - } - if (wdev->authtry_bsses[i] && - memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, - ETH_ALEN) == 0 && - memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - wdev->authtry_bsses[i] = NULL; - found = true; - break; - } - } - - if (!found) - return; - - nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); - - if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { - u16 reason_code; - bool from_ap; - - reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); - - from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; - __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); - } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { - __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - false, NULL); - } -} -EXPORT_SYMBOL(__cfg80211_send_deauth); - -void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - wdev_lock(wdev); - __cfg80211_send_deauth(dev, buf, len); - wdev_unlock(wdev); -} -EXPORT_SYMBOL(cfg80211_send_deauth); - -void __cfg80211_send_disassoc(struct net_device *dev, - const u8 *buf, size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; - const u8 *bssid = mgmt->bssid; - int i; - u16 reason_code; - bool from_ap; - bool done = false; - - ASSERT_WDEV_LOCK(wdev); - - nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); - - if (wdev->sme_state != CFG80211_SME_CONNECTED) - return; - - if (wdev->current_bss && - memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] || wdev->auth_bsses[i]) - continue; - wdev->auth_bsses[i] = wdev->current_bss; - wdev->current_bss = NULL; - done = true; - cfg80211_sme_disassoc(dev, i); - break; - } - WARN_ON(!done); - } else - WARN_ON(1); - - - reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); - - from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; - __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); -} -EXPORT_SYMBOL(__cfg80211_send_disassoc); - -void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - wdev_lock(wdev); - __cfg80211_send_disassoc(dev, buf, len); - wdev_unlock(wdev); -} -EXPORT_SYMBOL(cfg80211_send_disassoc); - -void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, - size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); -} -EXPORT_SYMBOL(cfg80211_send_unprot_deauth); - -void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, - size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); -} -EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); - -static void __cfg80211_auth_remove(struct wireless_dev *wdev, const u8 *addr) -{ - int i; - bool done = false; - - ASSERT_WDEV_LOCK(wdev); - - for (i = 0; addr && i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] && - memcmp(wdev->authtry_bsses[i]->pub.bssid, - addr, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - wdev->authtry_bsses[i] = NULL; - done = true; - break; - } - } - - WARN_ON(!done); -} - -void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr) -{ - __cfg80211_auth_remove(dev->ieee80211_ptr, addr); -} -EXPORT_SYMBOL(__cfg80211_auth_canceled); - -void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - wdev_lock(wdev); - - nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); - if (wdev->sme_state == CFG80211_SME_CONNECTING) - __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - false, NULL); - - __cfg80211_auth_remove(wdev, addr); - - wdev_unlock(wdev); -} -EXPORT_SYMBOL(cfg80211_send_auth_timeout); - -void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - int i; - bool done = false; - - wdev_lock(wdev); - - nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); - if (wdev->sme_state == CFG80211_SME_CONNECTING) - __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - false, NULL); - - for (i = 0; addr && i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i] && - memcmp(wdev->auth_bsses[i]->pub.bssid, - addr, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->auth_bsses[i]); - cfg80211_put_bss(&wdev->auth_bsses[i]->pub); - wdev->auth_bsses[i] = NULL; - done = true; - break; - } - } - - WARN_ON(!done); - - wdev_unlock(wdev); -} -EXPORT_SYMBOL(cfg80211_send_assoc_timeout); - -void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, - enum nl80211_key_type key_type, int key_id, - const u8 *tsc, gfp_t gfp) -{ - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); -#ifdef CONFIG_CFG80211_WEXT - union iwreq_data wrqu; - char *buf = kmalloc(128, gfp); - - if (buf) { - sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" - "keyid=%d %scast addr=%pM)", key_id, - key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", - addr); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); - kfree(buf); - } -#endif - - nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp); -} -EXPORT_SYMBOL(cfg80211_michael_mic_failure); - -/* some MLME handling for userspace SME */ -int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_auth_type auth_type, - const u8 *bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_auth_request req; - struct cfg80211_internal_bss *bss; - int i, err, slot = -1, nfree = 0; - - ASSERT_WDEV_LOCK(wdev); - - if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) - if (!key || !key_len || key_idx < 0 || key_idx > 4) - return -EINVAL; - - if (wdev->current_bss && - memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0) - return -EALREADY; - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] && - memcmp(bssid, wdev->authtry_bsses[i]->pub.bssid, - ETH_ALEN) == 0) - return -EALREADY; - if (wdev->auth_bsses[i] && - memcmp(bssid, wdev->auth_bsses[i]->pub.bssid, - ETH_ALEN) == 0) - return -EALREADY; - } - - memset(&req, 0, sizeof(req)); - - req.local_state_change = local_state_change; - req.ie = ie; - req.ie_len = ie_len; - req.auth_type = auth_type; - req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, - WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); - req.key = key; - req.key_len = key_len; - req.key_idx = key_idx; - if (!req.bss) - return -ENOENT; - - bss = bss_from_pub(req.bss); - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (!wdev->auth_bsses[i] && !wdev->authtry_bsses[i]) { - slot = i; - nfree++; - } - } - - /* we need one free slot for disassoc and one for this auth */ - if (nfree < 2) { - err = -ENOSPC; - goto out; - } - - if (local_state_change) - wdev->auth_bsses[slot] = bss; - else - wdev->authtry_bsses[slot] = bss; - cfg80211_hold_bss(bss); - - err = rdev->ops->auth(&rdev->wiphy, dev, &req); - if (err) { - if (local_state_change) - wdev->auth_bsses[slot] = NULL; - else - wdev->authtry_bsses[slot] = NULL; - cfg80211_unhold_bss(bss); - } - - out: - if (err) - cfg80211_put_bss(req.bss); - return err; -} - -int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, - struct net_device *dev, struct ieee80211_channel *chan, - enum nl80211_auth_type auth_type, const u8 *bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change) -{ - int err; - - wdev_lock(dev->ieee80211_ptr); - err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, - ssid, ssid_len, ie, ie_len, - key, key_len, key_idx, local_state_change); - wdev_unlock(dev->ieee80211_ptr); - - return err; -} - -int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - const u8 *bssid, const u8 *prev_bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, bool use_mfp, - struct cfg80211_crypto_settings *crypt) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_assoc_request req; - struct cfg80211_internal_bss *bss; - int i, err, slot = -1; - bool was_connected = false; - - ASSERT_WDEV_LOCK(wdev); - - memset(&req, 0, sizeof(req)); - - if (wdev->current_bss && prev_bssid && - memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) { - /* - * Trying to reassociate: Allow this to proceed and let the old - * association to be dropped when the new one is completed. - */ - if (wdev->sme_state == CFG80211_SME_CONNECTED) { - was_connected = true; - wdev->sme_state = CFG80211_SME_CONNECTING; - } - } else if (wdev->current_bss) - return -EALREADY; - - req.ie = ie; - req.ie_len = ie_len; - memcpy(&req.crypto, crypt, sizeof(req.crypto)); - req.use_mfp = use_mfp; - req.prev_bssid = prev_bssid; - req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, - WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); - if (!req.bss) { - if (was_connected) - wdev->sme_state = CFG80211_SME_CONNECTED; - return -ENOENT; - } - - bss = bss_from_pub(req.bss); - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (bss == wdev->auth_bsses[i]) { - slot = i; - break; - } - } - - if (slot < 0) { - err = -ENOTCONN; - goto out; - } - - err = rdev->ops->assoc(&rdev->wiphy, dev, &req); - out: - if (err && was_connected) - wdev->sme_state = CFG80211_SME_CONNECTED; - /* still a reference in wdev->auth_bsses[slot] */ - cfg80211_put_bss(req.bss); - return err; -} - -int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - const u8 *bssid, const u8 *prev_bssid, - const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, bool use_mfp, - struct cfg80211_crypto_settings *crypt) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, - ssid, ssid_len, ie, ie_len, use_mfp, crypt); - wdev_unlock(wdev); - - return err; -} - -int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_deauth_request req; - int i; - - ASSERT_WDEV_LOCK(wdev); - - memset(&req, 0, sizeof(req)); - req.reason_code = reason; - req.local_state_change = local_state_change; - req.ie = ie; - req.ie_len = ie_len; - if (wdev->current_bss && - memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { - req.bss = &wdev->current_bss->pub; - } else for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i] && - memcmp(bssid, wdev->auth_bsses[i]->pub.bssid, ETH_ALEN) == 0) { - req.bss = &wdev->auth_bsses[i]->pub; - break; - } - if (wdev->authtry_bsses[i] && - memcmp(bssid, wdev->authtry_bsses[i]->pub.bssid, ETH_ALEN) == 0) { - req.bss = &wdev->authtry_bsses[i]->pub; - break; - } - } - - if (!req.bss) - return -ENOTCONN; - - return rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); -} - -int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, - local_state_change); - wdev_unlock(wdev); - - return err; -} - -static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_disassoc_request req; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->sme_state != CFG80211_SME_CONNECTED) - return -ENOTCONN; - - if (WARN_ON(!wdev->current_bss)) - return -ENOTCONN; - - memset(&req, 0, sizeof(req)); - req.reason_code = reason; - req.local_state_change = local_state_change; - req.ie = ie; - req.ie_len = ie_len; - if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) - req.bss = &wdev->current_bss->pub; - else - return -ENOTCONN; - - return rdev->ops->disassoc(&rdev->wiphy, dev, &req, wdev); -} - -int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *bssid, - const u8 *ie, int ie_len, u16 reason, - bool local_state_change) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, - local_state_change); - wdev_unlock(wdev); - - return err; -} - -void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, - struct net_device *dev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_deauth_request req; - int i; - - ASSERT_WDEV_LOCK(wdev); - - if (!rdev->ops->deauth) - return; - - memset(&req, 0, sizeof(req)); - req.reason_code = WLAN_REASON_DEAUTH_LEAVING; - req.ie = NULL; - req.ie_len = 0; - - if (wdev->current_bss) { - req.bss = &wdev->current_bss->pub; - rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); - if (wdev->current_bss) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - wdev->current_bss = NULL; - } - } - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i]) { - req.bss = &wdev->auth_bsses[i]->pub; - rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); - if (wdev->auth_bsses[i]) { - cfg80211_unhold_bss(wdev->auth_bsses[i]); - cfg80211_put_bss(&wdev->auth_bsses[i]->pub); - wdev->auth_bsses[i] = NULL; - } - } - if (wdev->authtry_bsses[i]) { - req.bss = &wdev->authtry_bsses[i]->pub; - rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); - if (wdev->authtry_bsses[i]) { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - wdev->authtry_bsses[i] = NULL; - } - } - } -} - -void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, gfp_t gfp) -{ - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type, - duration, gfp); -} -EXPORT_SYMBOL(cfg80211_ready_on_channel); - -void cfg80211_remain_on_channel_expired(struct net_device *dev, - u64 cookie, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - gfp_t gfp) -{ - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan, - channel_type, gfp); -} -EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); - -void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, - struct station_info *sinfo, gfp_t gfp) -{ - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); -} -EXPORT_SYMBOL(cfg80211_new_sta); - -void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) -{ - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); -} -EXPORT_SYMBOL(cfg80211_del_sta); - -struct cfg80211_mgmt_registration { - struct list_head list; - - u32 nlpid; - - int match_len; - - __le16 frame_type; - - u8 match[]; -}; - -int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, - u16 frame_type, const u8 *match_data, - int match_len) -{ - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct cfg80211_mgmt_registration *reg, *nreg; - int err = 0; - u16 mgmt_type; - - if (!wdev->wiphy->mgmt_stypes) - return -EOPNOTSUPP; - - if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) - return -EINVAL; - - if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) - return -EINVAL; - - mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; - if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) - return -EINVAL; - - nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); - if (!nreg) - return -ENOMEM; - - spin_lock_bh(&wdev->mgmt_registrations_lock); - - list_for_each_entry(reg, &wdev->mgmt_registrations, list) { - int mlen = min(match_len, reg->match_len); - - if (frame_type != le16_to_cpu(reg->frame_type)) - continue; - - if (memcmp(reg->match, match_data, mlen) == 0) { - err = -EALREADY; - break; - } - } - - if (err) { - kfree(nreg); - goto out; - } - - memcpy(nreg->match, match_data, match_len); - nreg->match_len = match_len; - nreg->nlpid = snd_pid; - nreg->frame_type = cpu_to_le16(frame_type); - list_add(&nreg->list, &wdev->mgmt_registrations); - - if (rdev->ops->mgmt_frame_register) - rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, - frame_type, true); - - out: - spin_unlock_bh(&wdev->mgmt_registrations_lock); - - return err; -} - -void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid) -{ - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct cfg80211_mgmt_registration *reg, *tmp; - - spin_lock_bh(&wdev->mgmt_registrations_lock); - - list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { - if (reg->nlpid != nlpid) - continue; - - if (rdev->ops->mgmt_frame_register) { - u16 frame_type = le16_to_cpu(reg->frame_type); - - rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, - frame_type, false); - } - - list_del(®->list); - kfree(reg); - } - - spin_unlock_bh(&wdev->mgmt_registrations_lock); - - if (nlpid == wdev->ap_unexpected_nlpid) - wdev->ap_unexpected_nlpid = 0; -} - -void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) -{ - struct cfg80211_mgmt_registration *reg, *tmp; - - spin_lock_bh(&wdev->mgmt_registrations_lock); - - list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { - list_del(®->list); - kfree(reg); - } - - spin_unlock_bh(&wdev->mgmt_registrations_lock); -} - -int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, bool offchan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, unsigned int wait, - const u8 *buf, size_t len, bool no_cck, - bool dont_wait_for_ack, u64 *cookie) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - const struct ieee80211_mgmt *mgmt; - u16 stype; - - if (!wdev->wiphy->mgmt_stypes) - return -EOPNOTSUPP; - - if (!rdev->ops->mgmt_tx) - return -EOPNOTSUPP; - - if (len < 24 + 1) - return -EINVAL; - - mgmt = (const struct ieee80211_mgmt *) buf; - - if (!ieee80211_is_mgmt(mgmt->frame_control)) - return -EINVAL; - - stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; - if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) - return -EINVAL; - - if (ieee80211_is_action(mgmt->frame_control) && - mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { - int err = 0; - - wdev_lock(wdev); - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_P2P_CLIENT: - if (!wdev->current_bss) { - err = -ENOTCONN; - break; - } - - if (memcmp(wdev->current_bss->pub.bssid, - mgmt->bssid, ETH_ALEN)) { - err = -ENOTCONN; - break; - } - - /* - * check for IBSS DA must be done by driver as - * cfg80211 doesn't track the stations - */ - if (wdev->iftype == NL80211_IFTYPE_ADHOC) - break; - - /* for station, check that DA is the AP */ - if (memcmp(wdev->current_bss->pub.bssid, - mgmt->da, ETH_ALEN)) { - err = -ENOTCONN; - break; - } - break; - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_AP_VLAN: - if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN)) - err = -EINVAL; - break; - case NL80211_IFTYPE_MESH_POINT: - if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) { - err = -EINVAL; - break; - } - /* - * check for mesh DA must be done by driver as - * cfg80211 doesn't track the stations - */ - break; - default: - err = -EOPNOTSUPP; - break; - } - wdev_unlock(wdev); - - if (err) - return err; - } - - if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0) - return -EINVAL; - - /* Transmit the Action frame as requested by user space */ - return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan, - channel_type, channel_type_valid, - wait, buf, len, no_cck, dont_wait_for_ack, - cookie); -} - -bool cfg80211_rx_mgmt(struct net_device *dev, int freq, const u8 *buf, - size_t len, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct cfg80211_mgmt_registration *reg; - const struct ieee80211_txrx_stypes *stypes = - &wiphy->mgmt_stypes[wdev->iftype]; - struct ieee80211_mgmt *mgmt = (void *)buf; - const u8 *data; - int data_len; - bool result = false; - __le16 ftype = mgmt->frame_control & - cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); - u16 stype; - - stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; - - if (!(stypes->rx & BIT(stype))) - return false; - - data = buf + ieee80211_hdrlen(mgmt->frame_control); - data_len = len - ieee80211_hdrlen(mgmt->frame_control); - - spin_lock_bh(&wdev->mgmt_registrations_lock); - - list_for_each_entry(reg, &wdev->mgmt_registrations, list) { - if (reg->frame_type != ftype) - continue; - - if (reg->match_len > data_len) - continue; - - if (memcmp(reg->match, data, reg->match_len)) - continue; - - /* found match! */ - - /* Indicate the received Action frame to user space */ - if (nl80211_send_mgmt(rdev, dev, reg->nlpid, freq, - buf, len, gfp)) - continue; - - result = true; - break; - } - - spin_unlock_bh(&wdev->mgmt_registrations_lock); - - return result; -} -EXPORT_SYMBOL(cfg80211_rx_mgmt); - -void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie, - const u8 *buf, size_t len, bool ack, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - /* Indicate TX status of the Action frame to user space */ - nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp); -} -EXPORT_SYMBOL(cfg80211_mgmt_tx_status); - -void cfg80211_cqm_rssi_notify(struct net_device *dev, - enum nl80211_cqm_rssi_threshold_event rssi_event, - gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - /* Indicate roaming trigger event to user space */ - nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); -} -EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); - -void cfg80211_cqm_pktloss_notify(struct net_device *dev, - const u8 *peer, u32 num_packets, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - /* Indicate roaming trigger event to user space */ - nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); -} -EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); - -void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, - const u8 *replay_ctr, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); -} -EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); - -void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, - const u8 *bssid, bool preauth, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); -} -EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); - -bool cfg80211_rx_spurious_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && - wdev->iftype != NL80211_IFTYPE_P2P_GO)) - return false; - - return nl80211_unexpected_frame(dev, addr, gfp); -} -EXPORT_SYMBOL(cfg80211_rx_spurious_frame); - -bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && - wdev->iftype != NL80211_IFTYPE_P2P_GO && - wdev->iftype != NL80211_IFTYPE_AP_VLAN)) - return false; - - return nl80211_unexpected_4addr_frame(dev, addr, gfp); -} -EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); diff --git a/net/wireless_ath/nl80211.c b/net/wireless_ath/nl80211.c deleted file mode 100755 index b11cabe..0000000 --- a/net/wireless_ath/nl80211.c +++ /dev/null @@ -1,8092 +0,0 @@ -/* - * This is the new netlink-based wireless configuration interface. - * - * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> - */ - -#include <linux/if.h> -#include <linux/module.h> -#include <linux/err.h> -#include <linux/slab.h> -#include <linux/list.h> -#include <linux/if_ether.h> -#include <linux/ieee80211.h> -#include <linux/nl80211.h> -#include <linux/rtnetlink.h> -#include <linux/netlink.h> -#include <linux/etherdevice.h> -#include <net/net_namespace.h> -#include <net/genetlink.h> -#include <net/cfg80211.h> -#include <net/sock.h> -#include "core.h" -#include "nl80211.h" -#include "reg.h" - -static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type); -static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, - struct genl_info *info, - struct cfg80211_crypto_settings *settings, - int cipher_limit); - -static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, - struct genl_info *info); -static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, - struct genl_info *info); - -/* the netlink family */ -static struct genl_family nl80211_fam = { - .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ - .name = "nl80211", /* have users key off the name instead */ - .hdrsize = 0, /* no private header */ - .version = 1, /* no particular meaning now */ - .maxattr = NL80211_ATTR_MAX, - .netnsok = true, - .pre_doit = nl80211_pre_doit, - .post_doit = nl80211_post_doit, -}; - -/* internal helper: get rdev and dev */ -static int get_rdev_dev_by_info_ifindex(struct genl_info *info, - struct cfg80211_registered_device **rdev, - struct net_device **dev) -{ - struct nlattr **attrs = info->attrs; - int ifindex; - - if (!attrs[NL80211_ATTR_IFINDEX]) - return -EINVAL; - - ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); - *dev = dev_get_by_index(genl_info_net(info), ifindex); - if (!*dev) - return -ENODEV; - - *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex); - if (IS_ERR(*rdev)) { - dev_put(*dev); - return PTR_ERR(*rdev); - } - - return 0; -} - -/* policy for the attributes */ -static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { - [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, - .len = 20-1 }, - [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, - [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, - [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, - [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, - - [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, - [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, - [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, - - [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, - [NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN }, - - [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, - [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, - .len = WLAN_MAX_KEY_LEN }, - [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, - [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, - [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, - [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, - [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, - - [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, - [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, - [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, - [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, - [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, - [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, - .len = NL80211_MAX_SUPP_RATES }, - [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, - [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, - [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, - [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_MESH_ID_LEN }, - [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, - - [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, - [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, - - [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, - [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, - [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, - [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, - .len = NL80211_MAX_SUPP_RATES }, - [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, - - [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, - [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, - - [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, - - [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, - [NL80211_ATTR_IE] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, - [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, - - [NL80211_ATTR_SSID] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_SSID_LEN }, - [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, - [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, - [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, - [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, - [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, - [NL80211_ATTR_STA_FLAGS2] = { - .len = sizeof(struct nl80211_sta_flag_update), - }, - [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, - [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, - [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, - [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, - [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, - [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, - [NL80211_ATTR_PID] = { .type = NLA_U32 }, - [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, - [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, - .len = WLAN_PMKID_LEN }, - [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, - [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, - [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, - [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, - [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, - [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, - [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, - [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, - [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, - [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, - [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, - [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, - [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, - [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, - [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, - [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, - [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, - [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, - [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, - [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, - [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, - [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, - [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, - [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, - [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, - [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, - [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, - [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, - [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, - [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, - [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - - [NL80211_ATTR_BTCOEX_INQ_STATUS] = { .type = NLA_FLAG }, - [NL80211_ATTR_BTCOEX_SCO_STATUS] = { .type = NLA_FLAG }, - [NL80211_ATTR_BTCOEX_TYPE_ESCO] = { .type = NLA_FLAG }, - [NL80211_ATTR_BTCOEX_ESCO_TX_INTERVAL] = { .type = NLA_U32 }, - [NL80211_ATTR_BTCOEX_ESCO_TX_PKT_LEN] = { .type = NLA_U32 }, - [NL80211_ATTR_BTCOEX_A2DP_STATUS] = { .type = NLA_FLAG }, - [NL80211_ATTR_BTCOEX_ACL_ROLE] = { .type = NLA_U32 }, - [NL80211_ATTR_BTCOEX_REMOTE_LMP_VER] = { .type = NLA_U32 }, - - [NL80211_ATTR_BTCOEX_ANTENNA_CONFIG] = { .type = NLA_U32 }, - [NL80211_ATTR_BT_VENDOR_ID] = { .type = NLA_U32 }, - [NL80211_ATTR_BTCOEX_DATA] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_ATTR_PRIV_CMD] = { .type = NLA_NUL_STRING, .len = 128 }, - [NL80211_ATTR_PRIV_EVENT] = { .type = NLA_NUL_STRING, .len = 128 }, - -}; - -/* policy for the key attributes */ -static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { - [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, - [NL80211_KEY_IDX] = { .type = NLA_U8 }, - [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, - [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, - [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, - [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, - [NL80211_KEY_TYPE] = { .type = NLA_U32 }, - [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, -}; - -/* policy for the key default flags */ -static const struct nla_policy -nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { - [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, - [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, -}; - -/* policy for WoWLAN attributes */ -static const struct nla_policy -nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { - [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, - [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, - [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, - [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, - [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, - [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, - [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, - [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, -}; - -/* policy for GTK rekey offload attributes */ -static const struct nla_policy -nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { - [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, - [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, - [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, -}; - -static const struct nla_policy -nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { - [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_SSID_LEN }, -}; - -/* ifidx get helper */ -static int nl80211_get_ifidx(struct netlink_callback *cb) -{ - int res; - - res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - nl80211_fam.attrbuf, nl80211_fam.maxattr, - nl80211_policy); - if (res) - return res; - - if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) - return -EINVAL; - - res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); - if (!res) - return -EINVAL; - return res; -} - -static int nl80211_prepare_netdev_dump(struct sk_buff *skb, - struct netlink_callback *cb, - struct cfg80211_registered_device **rdev, - struct net_device **dev) -{ - int ifidx = cb->args[0]; - int err; - - if (!ifidx) - ifidx = nl80211_get_ifidx(cb); - if (ifidx < 0) - return ifidx; - - cb->args[0] = ifidx; - - rtnl_lock(); - - *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); - if (!*dev) { - err = -ENODEV; - goto out_rtnl; - } - - *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); - if (IS_ERR(*rdev)) { - err = PTR_ERR(*rdev); - goto out_rtnl; - } - - return 0; - out_rtnl: - rtnl_unlock(); - return err; -} - -static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) -{ - cfg80211_unlock_rdev(rdev); - rtnl_unlock(); -} - -/* IE validation */ -static bool is_valid_ie_attr(const struct nlattr *attr) -{ - const u8 *pos; - int len; - - if (!attr) - return true; - - pos = nla_data(attr); - len = nla_len(attr); - - while (len) { - u8 elemlen; - - if (len < 2) - return false; - len -= 2; - - elemlen = pos[1]; - if (elemlen > len) - return false; - - len -= elemlen; - pos += 2 + elemlen; - } - - return true; -} - -/* message building helper */ -static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, - int flags, u8 cmd) -{ - /* since there is no private header just add the generic one */ - return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); -} - -static int nl80211_msg_put_channel(struct sk_buff *msg, - struct ieee80211_channel *chan) -{ - NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, - chan->center_freq); - - if (chan->flags & IEEE80211_CHAN_DISABLED) - NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); - if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) - NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); - if (chan->flags & IEEE80211_CHAN_NO_IBSS) - NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); - if (chan->flags & IEEE80211_CHAN_RADAR) - NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); - - NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, - DBM_TO_MBM(chan->max_power)); - - return 0; - - nla_put_failure: - return -ENOBUFS; -} - -/* netlink command implementations */ - -struct key_parse { - struct key_params p; - int idx; - int type; - bool def, defmgmt; - bool def_uni, def_multi; -}; - -static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) -{ - struct nlattr *tb[NL80211_KEY_MAX + 1]; - int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, - nl80211_key_policy); - if (err) - return err; - - k->def = !!tb[NL80211_KEY_DEFAULT]; - k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; - - if (k->def) { - k->def_uni = true; - k->def_multi = true; - } - if (k->defmgmt) - k->def_multi = true; - - if (tb[NL80211_KEY_IDX]) - k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); - - if (tb[NL80211_KEY_DATA]) { - k->p.key = nla_data(tb[NL80211_KEY_DATA]); - k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); - } - - if (tb[NL80211_KEY_SEQ]) { - k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); - k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); - } - - if (tb[NL80211_KEY_CIPHER]) - k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); - - if (tb[NL80211_KEY_TYPE]) { - k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); - if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) - return -EINVAL; - } - - if (tb[NL80211_KEY_DEFAULT_TYPES]) { - struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; - int err = nla_parse_nested(kdt, - NUM_NL80211_KEY_DEFAULT_TYPES - 1, - tb[NL80211_KEY_DEFAULT_TYPES], - nl80211_key_default_policy); - if (err) - return err; - - k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; - k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; - } - - return 0; -} - -static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) -{ - if (info->attrs[NL80211_ATTR_KEY_DATA]) { - k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); - k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); - } - - if (info->attrs[NL80211_ATTR_KEY_SEQ]) { - k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); - k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); - } - - if (info->attrs[NL80211_ATTR_KEY_IDX]) - k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); - - if (info->attrs[NL80211_ATTR_KEY_CIPHER]) - k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); - - k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; - k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; - - if (k->def) { - k->def_uni = true; - k->def_multi = true; - } - if (k->defmgmt) - k->def_multi = true; - - if (info->attrs[NL80211_ATTR_KEY_TYPE]) { - k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); - if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { - struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; - int err = nla_parse_nested( - kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, - info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], - nl80211_key_default_policy); - if (err) - return err; - - k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; - k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; - } - - return 0; -} - -static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) -{ - int err; - - memset(k, 0, sizeof(*k)); - k->idx = -1; - k->type = -1; - - if (info->attrs[NL80211_ATTR_KEY]) - err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); - else - err = nl80211_parse_key_old(info, k); - - if (err) - return err; - - if (k->def && k->defmgmt) - return -EINVAL; - - if (k->defmgmt) { - if (k->def_uni || !k->def_multi) - return -EINVAL; - } - - if (k->idx != -1) { - if (k->defmgmt) { - if (k->idx < 4 || k->idx > 5) - return -EINVAL; - } else if (k->def) { - if (k->idx < 0 || k->idx > 3) - return -EINVAL; - } else { - if (k->idx < 0 || k->idx > 5) - return -EINVAL; - } - } - - return 0; -} - -static struct cfg80211_cached_keys * -nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, - struct nlattr *keys) -{ - struct key_parse parse; - struct nlattr *key; - struct cfg80211_cached_keys *result; - int rem, err, def = 0; - - result = kzalloc(sizeof(*result), GFP_KERNEL); - if (!result) - return ERR_PTR(-ENOMEM); - - result->def = -1; - result->defmgmt = -1; - - nla_for_each_nested(key, keys, rem) { - memset(&parse, 0, sizeof(parse)); - parse.idx = -1; - - err = nl80211_parse_key_new(key, &parse); - if (err) - goto error; - err = -EINVAL; - if (!parse.p.key) - goto error; - if (parse.idx < 0 || parse.idx > 4) - goto error; - if (parse.def) { - if (def) - goto error; - def = 1; - result->def = parse.idx; - if (!parse.def_uni || !parse.def_multi) - goto error; - } else if (parse.defmgmt) - goto error; - err = cfg80211_validate_key_settings(rdev, &parse.p, - parse.idx, false, NULL); - if (err) - goto error; - result->params[parse.idx].cipher = parse.p.cipher; - result->params[parse.idx].key_len = parse.p.key_len; - result->params[parse.idx].key = result->data[parse.idx]; - memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); - } - - return result; - error: - kfree(result); - return ERR_PTR(err); -} - -static int nl80211_key_allowed(struct wireless_dev *wdev) -{ - ASSERT_WDEV_LOCK(wdev); - - switch (wdev->iftype) { - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_MESH_POINT: - break; - case NL80211_IFTYPE_ADHOC: - if (!wdev->current_bss) - return -ENOLINK; - break; - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_P2P_CLIENT: - if (wdev->sme_state != CFG80211_SME_CONNECTED) - return -ENOLINK; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) -{ - struct nlattr *nl_modes = nla_nest_start(msg, attr); - int i; - - if (!nl_modes) - goto nla_put_failure; - - i = 0; - while (ifmodes) { - if (ifmodes & 1) - NLA_PUT_FLAG(msg, i); - ifmodes >>= 1; - i++; - } - - nla_nest_end(msg, nl_modes); - return 0; - -nla_put_failure: - return -ENOBUFS; -} - -static int nl80211_put_iface_combinations(struct wiphy *wiphy, - struct sk_buff *msg) -{ - struct nlattr *nl_combis; - int i, j; - - nl_combis = nla_nest_start(msg, - NL80211_ATTR_INTERFACE_COMBINATIONS); - if (!nl_combis) - goto nla_put_failure; - - for (i = 0; i < wiphy->n_iface_combinations; i++) { - const struct ieee80211_iface_combination *c; - struct nlattr *nl_combi, *nl_limits; - - c = &wiphy->iface_combinations[i]; - - nl_combi = nla_nest_start(msg, i + 1); - if (!nl_combi) - goto nla_put_failure; - - nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); - if (!nl_limits) - goto nla_put_failure; - - for (j = 0; j < c->n_limits; j++) { - struct nlattr *nl_limit; - - nl_limit = nla_nest_start(msg, j + 1); - if (!nl_limit) - goto nla_put_failure; - NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX, - c->limits[j].max); - if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, - c->limits[j].types)) - goto nla_put_failure; - nla_nest_end(msg, nl_limit); - } - - nla_nest_end(msg, nl_limits); - - if (c->beacon_int_infra_match) - NLA_PUT_FLAG(msg, - NL80211_IFACE_COMB_STA_AP_BI_MATCH); - NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, - c->num_different_channels); - NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM, - c->max_interfaces); - - nla_nest_end(msg, nl_combi); - } - - nla_nest_end(msg, nl_combis); - - return 0; -nla_put_failure: - return -ENOBUFS; -} - -static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, - struct cfg80211_registered_device *dev) -{ - void *hdr; - struct nlattr *nl_bands, *nl_band; - struct nlattr *nl_freqs, *nl_freq; - struct nlattr *nl_rates, *nl_rate; - struct nlattr *nl_cmds; - enum ieee80211_band band; - struct ieee80211_channel *chan; - struct ieee80211_rate *rate; - int i; - const struct ieee80211_txrx_stypes *mgmt_stypes = - dev->wiphy.mgmt_stypes; - - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); - if (!hdr) - return -1; - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); - NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); - - NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, - cfg80211_rdev_list_generation); - - NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, - dev->wiphy.retry_short); - NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, - dev->wiphy.retry_long); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, - dev->wiphy.frag_threshold); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, - dev->wiphy.rts_threshold); - NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, - dev->wiphy.coverage_class); - NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, - dev->wiphy.max_scan_ssids); - NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, - dev->wiphy.max_sched_scan_ssids); - NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, - dev->wiphy.max_scan_ie_len); - NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, - dev->wiphy.max_sched_scan_ie_len); - NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS, - dev->wiphy.max_match_sets); - - if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) - NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); - if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) - NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); - if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) - NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD); - if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) - NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT); - if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) - NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT); - if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) - NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP); - - NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, - sizeof(u32) * dev->wiphy.n_cipher_suites, - dev->wiphy.cipher_suites); - - NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, - dev->wiphy.max_num_pmkids); - - if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) - NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, - dev->wiphy.available_antennas_tx); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, - dev->wiphy.available_antennas_rx); - - if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) - NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, - dev->wiphy.probe_resp_offload); - - if ((dev->wiphy.available_antennas_tx || - dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { - u32 tx_ant = 0, rx_ant = 0; - int res; - res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); - if (!res) { - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); - } - } - - if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, - dev->wiphy.interface_modes)) - goto nla_put_failure; - - nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); - if (!nl_bands) - goto nla_put_failure; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!dev->wiphy.bands[band]) - continue; - - nl_band = nla_nest_start(msg, band); - if (!nl_band) - goto nla_put_failure; - - /* add HT info */ - if (dev->wiphy.bands[band]->ht_cap.ht_supported) { - NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, - sizeof(dev->wiphy.bands[band]->ht_cap.mcs), - &dev->wiphy.bands[band]->ht_cap.mcs); - NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, - dev->wiphy.bands[band]->ht_cap.cap); - NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, - dev->wiphy.bands[band]->ht_cap.ampdu_factor); - NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, - dev->wiphy.bands[band]->ht_cap.ampdu_density); - } - - /* add frequencies */ - nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); - if (!nl_freqs) - goto nla_put_failure; - - for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { - nl_freq = nla_nest_start(msg, i); - if (!nl_freq) - goto nla_put_failure; - - chan = &dev->wiphy.bands[band]->channels[i]; - - if (nl80211_msg_put_channel(msg, chan)) - goto nla_put_failure; - - nla_nest_end(msg, nl_freq); - } - - nla_nest_end(msg, nl_freqs); - - /* add bitrates */ - nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); - if (!nl_rates) - goto nla_put_failure; - - for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { - nl_rate = nla_nest_start(msg, i); - if (!nl_rate) - goto nla_put_failure; - - rate = &dev->wiphy.bands[band]->bitrates[i]; - NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, - rate->bitrate); - if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) - NLA_PUT_FLAG(msg, - NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); - - nla_nest_end(msg, nl_rate); - } - - nla_nest_end(msg, nl_rates); - - nla_nest_end(msg, nl_band); - } - nla_nest_end(msg, nl_bands); - - nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); - if (!nl_cmds) - goto nla_put_failure; - - i = 0; -#define CMD(op, n) \ - do { \ - if (dev->ops->op) { \ - i++; \ - NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ - } \ - } while (0) - - CMD(add_virtual_intf, NEW_INTERFACE); - CMD(change_virtual_intf, SET_INTERFACE); - CMD(add_key, NEW_KEY); - CMD(add_beacon, NEW_BEACON); - CMD(add_station, NEW_STATION); - CMD(add_mpath, NEW_MPATH); - CMD(update_mesh_config, SET_MESH_CONFIG); - CMD(change_bss, SET_BSS); - CMD(auth, AUTHENTICATE); - CMD(assoc, ASSOCIATE); - CMD(deauth, DEAUTHENTICATE); - CMD(disassoc, DISASSOCIATE); - CMD(join_ibss, JOIN_IBSS); - CMD(join_mesh, JOIN_MESH); - CMD(set_pmksa, SET_PMKSA); - CMD(del_pmksa, DEL_PMKSA); - CMD(flush_pmksa, FLUSH_PMKSA); - CMD(remain_on_channel, REMAIN_ON_CHANNEL); - CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); - CMD(mgmt_tx, FRAME); - CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); - if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { - i++; - NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); - } - CMD(set_channel, SET_CHANNEL); - CMD(set_wds_peer, SET_WDS_PEER); - if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { - CMD(tdls_mgmt, TDLS_MGMT); - CMD(tdls_oper, TDLS_OPER); - } - if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) - CMD(sched_scan_start, START_SCHED_SCAN); - CMD(probe_client, PROBE_CLIENT); - if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { - i++; - NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS); - } - -#undef CMD - - if (dev->ops->connect || dev->ops->auth) { - i++; - NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); - } - - if (dev->ops->disconnect || dev->ops->deauth) { - i++; - NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); - } - - nla_nest_end(msg, nl_cmds); - - if (dev->ops->remain_on_channel) - NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, - dev->wiphy.max_remain_on_channel_duration); - - if (dev->ops->mgmt_tx_cancel_wait) - NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); - - if (mgmt_stypes) { - u16 stypes; - struct nlattr *nl_ftypes, *nl_ifs; - enum nl80211_iftype ift; - - nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); - if (!nl_ifs) - goto nla_put_failure; - - for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { - nl_ftypes = nla_nest_start(msg, ift); - if (!nl_ftypes) - goto nla_put_failure; - i = 0; - stypes = mgmt_stypes[ift].tx; - while (stypes) { - if (stypes & 1) - NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, - (i << 4) | IEEE80211_FTYPE_MGMT); - stypes >>= 1; - i++; - } - nla_nest_end(msg, nl_ftypes); - } - - nla_nest_end(msg, nl_ifs); - - nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); - if (!nl_ifs) - goto nla_put_failure; - - for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { - nl_ftypes = nla_nest_start(msg, ift); - if (!nl_ftypes) - goto nla_put_failure; - i = 0; - stypes = mgmt_stypes[ift].rx; - while (stypes) { - if (stypes & 1) - NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, - (i << 4) | IEEE80211_FTYPE_MGMT); - stypes >>= 1; - i++; - } - nla_nest_end(msg, nl_ftypes); - } - nla_nest_end(msg, nl_ifs); - } - - if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { - struct nlattr *nl_wowlan; - - nl_wowlan = nla_nest_start(msg, - NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); - if (!nl_wowlan) - goto nla_put_failure; - - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); - if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); - if (dev->wiphy.wowlan.n_patterns) { - struct nl80211_wowlan_pattern_support pat = { - .max_patterns = dev->wiphy.wowlan.n_patterns, - .min_pattern_len = - dev->wiphy.wowlan.pattern_min_len, - .max_pattern_len = - dev->wiphy.wowlan.pattern_max_len, - }; - NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, - sizeof(pat), &pat); - } - - nla_nest_end(msg, nl_wowlan); - } - - if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, - dev->wiphy.software_iftypes)) - goto nla_put_failure; - - if (nl80211_put_iface_combinations(&dev->wiphy, msg)) - goto nla_put_failure; - - if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) - NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME, - dev->wiphy.ap_sme_capa); - - NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) -{ - int idx = 0; - int start = cb->args[0]; - struct cfg80211_registered_device *dev; - - mutex_lock(&cfg80211_mutex); - list_for_each_entry(dev, &cfg80211_rdev_list, list) { - if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) - continue; - if (++idx <= start) - continue; - if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - dev) < 0) { - idx--; - break; - } - } - mutex_unlock(&cfg80211_mutex); - - cb->args[0] = idx; - - return skb->len; -} - -static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) -{ - struct sk_buff *msg; - struct cfg80211_registered_device *dev = info->user_ptr[0]; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { - nlmsg_free(msg); - return -ENOBUFS; - } - - return genlmsg_reply(msg, info); -} - -static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { - [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, - [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, - [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, - [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, - [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, -}; - -static int parse_txq_params(struct nlattr *tb[], - struct ieee80211_txq_params *txq_params) -{ - if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || - !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || - !tb[NL80211_TXQ_ATTR_AIFS]) - return -EINVAL; - - txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); - txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); - txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); - txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); - txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); - - return 0; -} - -static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) -{ - /* - * You can only set the channel explicitly for AP, mesh - * and WDS type interfaces; all others have their channel - * managed via their respective "establish a connection" - * command (connect, join, ...) - * - * Monitors are special as they are normally slaved to - * whatever else is going on, so they behave as though - * you tried setting the wiphy channel itself. - */ - return !wdev || - wdev->iftype == NL80211_IFTYPE_AP || - wdev->iftype == NL80211_IFTYPE_WDS || - wdev->iftype == NL80211_IFTYPE_MESH_POINT || - wdev->iftype == NL80211_IFTYPE_MONITOR || - wdev->iftype == NL80211_IFTYPE_P2P_GO; -} - -static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - struct genl_info *info) -{ - enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; - u32 freq; - int result; - - if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) - return -EINVAL; - - if (!nl80211_can_set_dev_channel(wdev)) - return -EOPNOTSUPP; - - if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { - channel_type = nla_get_u32(info->attrs[ - NL80211_ATTR_WIPHY_CHANNEL_TYPE]); - if (channel_type != NL80211_CHAN_NO_HT && - channel_type != NL80211_CHAN_HT20 && - channel_type != NL80211_CHAN_HT40PLUS && - channel_type != NL80211_CHAN_HT40MINUS) - return -EINVAL; - } - - freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); - - mutex_lock(&rdev->devlist_mtx); - if (wdev) { - wdev_lock(wdev); - result = cfg80211_set_freq(rdev, wdev, freq, channel_type); - wdev_unlock(wdev); - } else { - result = cfg80211_set_freq(rdev, NULL, freq, channel_type); - } - mutex_unlock(&rdev->devlist_mtx); - - return result; -} - -static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *netdev = info->user_ptr[1]; - - return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); -} - -static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - const u8 *bssid; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (netif_running(dev)) - return -EBUSY; - - if (!rdev->ops->set_wds_peer) - return -EOPNOTSUPP; - - if (wdev->iftype != NL80211_IFTYPE_WDS) - return -EOPNOTSUPP; - - bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); -} - - -static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev; - struct net_device *netdev = NULL; - struct wireless_dev *wdev; - int result = 0, rem_txq_params = 0; - struct nlattr *nl_txq_params; - u32 changed; - u8 retry_short = 0, retry_long = 0; - u32 frag_threshold = 0, rts_threshold = 0; - u8 coverage_class = 0; - - /* - * Try to find the wiphy and netdev. Normally this - * function shouldn't need the netdev, but this is - * done for backward compatibility -- previously - * setting the channel was done per wiphy, but now - * it is per netdev. Previous userland like hostapd - * also passed a netdev to set_wiphy, so that it is - * possible to let that go to the right netdev! - */ - mutex_lock(&cfg80211_mutex); - - if (info->attrs[NL80211_ATTR_IFINDEX]) { - int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - - netdev = dev_get_by_index(genl_info_net(info), ifindex); - if (netdev && netdev->ieee80211_ptr) { - rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); - mutex_lock(&rdev->mtx); - } else - netdev = NULL; - } - - if (!netdev) { - rdev = __cfg80211_rdev_from_info(info); - if (IS_ERR(rdev)) { - mutex_unlock(&cfg80211_mutex); - return PTR_ERR(rdev); - } - wdev = NULL; - netdev = NULL; - result = 0; - - mutex_lock(&rdev->mtx); - } else if (netif_running(netdev) && - nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) - wdev = netdev->ieee80211_ptr; - else - wdev = NULL; - - /* - * end workaround code, by now the rdev is available - * and locked, and wdev may or may not be NULL. - */ - - if (info->attrs[NL80211_ATTR_WIPHY_NAME]) - result = cfg80211_dev_rename( - rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); - - mutex_unlock(&cfg80211_mutex); - - if (result) - goto bad_res; - - if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { - struct ieee80211_txq_params txq_params; - struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; - - if (!rdev->ops->set_txq_params) { - result = -EOPNOTSUPP; - goto bad_res; - } - - if (!netdev) { - result = -EINVAL; - goto bad_res; - } - - if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { - result = -EINVAL; - goto bad_res; - } - - nla_for_each_nested(nl_txq_params, - info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], - rem_txq_params) { - nla_parse(tb, NL80211_TXQ_ATTR_MAX, - nla_data(nl_txq_params), - nla_len(nl_txq_params), - txq_params_policy); - result = parse_txq_params(tb, &txq_params); - if (result) - goto bad_res; - - result = rdev->ops->set_txq_params(&rdev->wiphy, - netdev, - &txq_params); - if (result) - goto bad_res; - } - } - - if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { - result = __nl80211_set_channel(rdev, wdev, info); - if (result) - goto bad_res; - } - - if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { - enum nl80211_tx_power_setting type; - int idx, mbm = 0; - - if (!rdev->ops->set_tx_power) { - result = -EOPNOTSUPP; - goto bad_res; - } - - idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; - type = nla_get_u32(info->attrs[idx]); - - if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && - (type != NL80211_TX_POWER_AUTOMATIC)) { - result = -EINVAL; - goto bad_res; - } - - if (type != NL80211_TX_POWER_AUTOMATIC) { - idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; - mbm = nla_get_u32(info->attrs[idx]); - } - - result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); - if (result) - goto bad_res; - } - - if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && - info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { - u32 tx_ant, rx_ant; - if ((!rdev->wiphy.available_antennas_tx && - !rdev->wiphy.available_antennas_rx) || - !rdev->ops->set_antenna) { - result = -EOPNOTSUPP; - goto bad_res; - } - - tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); - rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); - - /* reject antenna configurations which don't match the - * available antenna masks, except for the "all" mask */ - if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || - (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { - result = -EINVAL; - goto bad_res; - } - - tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; - rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; - - result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); - if (result) - goto bad_res; - } - - changed = 0; - - if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { - retry_short = nla_get_u8( - info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); - if (retry_short == 0) { - result = -EINVAL; - goto bad_res; - } - changed |= WIPHY_PARAM_RETRY_SHORT; - } - - if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { - retry_long = nla_get_u8( - info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); - if (retry_long == 0) { - result = -EINVAL; - goto bad_res; - } - changed |= WIPHY_PARAM_RETRY_LONG; - } - - if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { - frag_threshold = nla_get_u32( - info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); - if (frag_threshold < 256) { - result = -EINVAL; - goto bad_res; - } - if (frag_threshold != (u32) -1) { - /* - * Fragments (apart from the last one) are required to - * have even length. Make the fragmentation code - * simpler by stripping LSB should someone try to use - * odd threshold value. - */ - frag_threshold &= ~0x1; - } - changed |= WIPHY_PARAM_FRAG_THRESHOLD; - } - - if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { - rts_threshold = nla_get_u32( - info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); - changed |= WIPHY_PARAM_RTS_THRESHOLD; - } - - if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { - coverage_class = nla_get_u8( - info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); - changed |= WIPHY_PARAM_COVERAGE_CLASS; - } - - if (changed) { - u8 old_retry_short, old_retry_long; - u32 old_frag_threshold, old_rts_threshold; - u8 old_coverage_class; - - if (!rdev->ops->set_wiphy_params) { - result = -EOPNOTSUPP; - goto bad_res; - } - - old_retry_short = rdev->wiphy.retry_short; - old_retry_long = rdev->wiphy.retry_long; - old_frag_threshold = rdev->wiphy.frag_threshold; - old_rts_threshold = rdev->wiphy.rts_threshold; - old_coverage_class = rdev->wiphy.coverage_class; - - if (changed & WIPHY_PARAM_RETRY_SHORT) - rdev->wiphy.retry_short = retry_short; - if (changed & WIPHY_PARAM_RETRY_LONG) - rdev->wiphy.retry_long = retry_long; - if (changed & WIPHY_PARAM_FRAG_THRESHOLD) - rdev->wiphy.frag_threshold = frag_threshold; - if (changed & WIPHY_PARAM_RTS_THRESHOLD) - rdev->wiphy.rts_threshold = rts_threshold; - if (changed & WIPHY_PARAM_COVERAGE_CLASS) - rdev->wiphy.coverage_class = coverage_class; - - result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); - if (result) { - rdev->wiphy.retry_short = old_retry_short; - rdev->wiphy.retry_long = old_retry_long; - rdev->wiphy.frag_threshold = old_frag_threshold; - rdev->wiphy.rts_threshold = old_rts_threshold; - rdev->wiphy.coverage_class = old_coverage_class; - } - } - - bad_res: - mutex_unlock(&rdev->mtx); - if (netdev) - dev_put(netdev); - return result; -} - - -static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, - struct cfg80211_registered_device *rdev, - struct net_device *dev) -{ - void *hdr; - - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); - if (!hdr) - return -1; - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); - NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); - - NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, - rdev->devlist_generation ^ - (cfg80211_rdev_list_generation << 2)); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) -{ - int wp_idx = 0; - int if_idx = 0; - int wp_start = cb->args[0]; - int if_start = cb->args[1]; - struct cfg80211_registered_device *rdev; - struct wireless_dev *wdev; - - mutex_lock(&cfg80211_mutex); - list_for_each_entry(rdev, &cfg80211_rdev_list, list) { - if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) - continue; - if (wp_idx < wp_start) { - wp_idx++; - continue; - } - if_idx = 0; - - mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) { - if (if_idx < if_start) { - if_idx++; - continue; - } - if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - rdev, wdev->netdev) < 0) { - mutex_unlock(&rdev->devlist_mtx); - goto out; - } - if_idx++; - } - mutex_unlock(&rdev->devlist_mtx); - - wp_idx++; - } - out: - mutex_unlock(&cfg80211_mutex); - - cb->args[0] = wp_idx; - cb->args[1] = if_idx; - - return skb->len; -} - -static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) -{ - struct sk_buff *msg; - struct cfg80211_registered_device *dev = info->user_ptr[0]; - struct net_device *netdev = info->user_ptr[1]; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, - dev, netdev) < 0) { - nlmsg_free(msg); - return -ENOBUFS; - } - - return genlmsg_reply(msg, info); -} - -static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { - [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, - [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, - [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, - [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, - [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, -}; - -static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) -{ - struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; - int flag; - - *mntrflags = 0; - - if (!nla) - return -EINVAL; - - if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, - nla, mntr_flags_policy)) - return -EINVAL; - - for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) - if (flags[flag]) - *mntrflags |= (1<<flag); - - return 0; -} - -static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u8 use_4addr, - enum nl80211_iftype iftype) -{ - if (!use_4addr) { - if (netdev && br_port_exists(netdev)) - return -EBUSY; - return 0; - } - - switch (iftype) { - case NL80211_IFTYPE_AP_VLAN: - if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) - return 0; - break; - case NL80211_IFTYPE_STATION: - if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) - return 0; - break; - default: - break; - } - - return -EOPNOTSUPP; -} - -static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct vif_params params; - int err; - enum nl80211_iftype otype, ntype; - struct net_device *dev = info->user_ptr[1]; - u32 _flags, *flags = NULL; - bool change = false; - - memset(¶ms, 0, sizeof(params)); - - otype = ntype = dev->ieee80211_ptr->iftype; - - if (info->attrs[NL80211_ATTR_IFTYPE]) { - ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); - if (otype != ntype) - change = true; - if (ntype > NL80211_IFTYPE_MAX) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_MESH_ID]) { - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (ntype != NL80211_IFTYPE_MESH_POINT) - return -EINVAL; - if (netif_running(dev)) - return -EBUSY; - - wdev_lock(wdev); - BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != - IEEE80211_MAX_MESH_ID_LEN); - wdev->mesh_id_up_len = - nla_len(info->attrs[NL80211_ATTR_MESH_ID]); - memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), - wdev->mesh_id_up_len); - wdev_unlock(wdev); - } - - if (info->attrs[NL80211_ATTR_4ADDR]) { - params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); - change = true; - err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); - if (err) - return err; - } else { - params.use_4addr = -1; - } - - if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { - if (ntype != NL80211_IFTYPE_MONITOR) - return -EINVAL; - err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], - &_flags); - if (err) - return err; - - flags = &_flags; - change = true; - } - - if (change) - err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); - else - err = 0; - - if (!err && params.use_4addr != -1) - dev->ieee80211_ptr->use_4addr = params.use_4addr; - - return err; -} - -static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct vif_params params; - struct net_device *dev; - int err; - enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; - u32 flags; - - memset(¶ms, 0, sizeof(params)); - - if (!info->attrs[NL80211_ATTR_IFNAME]) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_IFTYPE]) { - type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); - if (type > NL80211_IFTYPE_MAX) - return -EINVAL; - } - - if (!rdev->ops->add_virtual_intf || - !(rdev->wiphy.interface_modes & (1 << type))) - return -EOPNOTSUPP; - - if (info->attrs[NL80211_ATTR_4ADDR]) { - params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); - err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); - if (err) - return err; - } - - err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? - info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, - &flags); - dev = rdev->ops->add_virtual_intf(&rdev->wiphy, - nla_data(info->attrs[NL80211_ATTR_IFNAME]), - type, err ? NULL : &flags, ¶ms); - if (IS_ERR(dev)) - return PTR_ERR(dev); - - if (type == NL80211_IFTYPE_MESH_POINT && - info->attrs[NL80211_ATTR_MESH_ID]) { - struct wireless_dev *wdev = dev->ieee80211_ptr; - - wdev_lock(wdev); - BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != - IEEE80211_MAX_MESH_ID_LEN); - wdev->mesh_id_up_len = - nla_len(info->attrs[NL80211_ATTR_MESH_ID]); - memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), - wdev->mesh_id_up_len); - wdev_unlock(wdev); - } - - return 0; -} - -static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - - if (!rdev->ops->del_virtual_intf) - return -EOPNOTSUPP; - - return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); -} - -struct get_key_cookie { - struct sk_buff *msg; - int error; - int idx; -}; - -static void get_key_callback(void *c, struct key_params *params) -{ - struct nlattr *key; - struct get_key_cookie *cookie = c; - - if (params->key) - NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, - params->key_len, params->key); - - if (params->seq) - NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, - params->seq_len, params->seq); - - if (params->cipher) - NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, - params->cipher); - - key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); - if (!key) - goto nla_put_failure; - - if (params->key) - NLA_PUT(cookie->msg, NL80211_KEY_DATA, - params->key_len, params->key); - - if (params->seq) - NLA_PUT(cookie->msg, NL80211_KEY_SEQ, - params->seq_len, params->seq); - - if (params->cipher) - NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, - params->cipher); - - NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); - - nla_nest_end(cookie->msg, key); - - return; - nla_put_failure: - cookie->error = 1; -} - -static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - struct net_device *dev = info->user_ptr[1]; - u8 key_idx = 0; - const u8 *mac_addr = NULL; - bool pairwise; - struct get_key_cookie cookie = { - .error = 0, - }; - void *hdr; - struct sk_buff *msg; - - if (info->attrs[NL80211_ATTR_KEY_IDX]) - key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); - - if (key_idx > 5) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_MAC]) - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - pairwise = !!mac_addr; - if (info->attrs[NL80211_ATTR_KEY_TYPE]) { - u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); - if (kt >= NUM_NL80211_KEYTYPES) - return -EINVAL; - if (kt != NL80211_KEYTYPE_GROUP && - kt != NL80211_KEYTYPE_PAIRWISE) - return -EINVAL; - pairwise = kt == NL80211_KEYTYPE_PAIRWISE; - } - - if (!rdev->ops->get_key) - return -EOPNOTSUPP; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_NEW_KEY); - if (IS_ERR(hdr)) { - nlmsg_free(msg); - return PTR_ERR(hdr); - } - - cookie.msg = msg; - cookie.idx = key_idx; - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); - if (mac_addr) - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); - - if (pairwise && mac_addr && - !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) { - nlmsg_free(msg); - return -ENOENT; - } - - err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, - mac_addr, &cookie, get_key_callback); - - if (err) - goto free_msg; - - if (cookie.error) - goto nla_put_failure; - - genlmsg_end(msg, hdr); - return genlmsg_reply(msg, info); - - nla_put_failure: - err = -ENOBUFS; - free_msg: - nlmsg_free(msg); - return err; -} - -static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct key_parse key; - int err; - struct net_device *dev = info->user_ptr[1]; - - err = nl80211_parse_key(info, &key); - if (err) - return err; - - if (key.idx < 0) - return -EINVAL; - - /* only support setting default key */ - if (!key.def && !key.defmgmt) - return -EINVAL; - - wdev_lock(dev->ieee80211_ptr); - - if (key.def) { - if (!rdev->ops->set_default_key) { - err = -EOPNOTSUPP; - goto out; - } - - err = nl80211_key_allowed(dev->ieee80211_ptr); - if (err) - goto out; - - err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, - key.def_uni, key.def_multi); - - if (err) - goto out; - -#ifdef CONFIG_CFG80211_WEXT - dev->ieee80211_ptr->wext.default_key = key.idx; -#endif - } else { - if (key.def_uni || !key.def_multi) { - err = -EINVAL; - goto out; - } - - if (!rdev->ops->set_default_mgmt_key) { - err = -EOPNOTSUPP; - goto out; - } - - err = nl80211_key_allowed(dev->ieee80211_ptr); - if (err) - goto out; - - err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, - dev, key.idx); - if (err) - goto out; - -#ifdef CONFIG_CFG80211_WEXT - dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; -#endif - } - - out: - wdev_unlock(dev->ieee80211_ptr); - - return err; -} - -static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - struct net_device *dev = info->user_ptr[1]; - struct key_parse key; - const u8 *mac_addr = NULL; - - err = nl80211_parse_key(info, &key); - if (err) - return err; - - if (!key.p.key) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_MAC]) - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (key.type == -1) { - if (mac_addr) - key.type = NL80211_KEYTYPE_PAIRWISE; - else - key.type = NL80211_KEYTYPE_GROUP; - } - - /* for now */ - if (key.type != NL80211_KEYTYPE_PAIRWISE && - key.type != NL80211_KEYTYPE_GROUP) - return -EINVAL; - - if (!rdev->ops->add_key) - return -EOPNOTSUPP; - - if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, - key.type == NL80211_KEYTYPE_PAIRWISE, - mac_addr)) - return -EINVAL; - - wdev_lock(dev->ieee80211_ptr); - err = nl80211_key_allowed(dev->ieee80211_ptr); - if (!err) - err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, - key.type == NL80211_KEYTYPE_PAIRWISE, - mac_addr, &key.p); - wdev_unlock(dev->ieee80211_ptr); - - return err; -} - -static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - struct net_device *dev = info->user_ptr[1]; - u8 *mac_addr = NULL; - struct key_parse key; - - err = nl80211_parse_key(info, &key); - if (err) - return err; - - if (info->attrs[NL80211_ATTR_MAC]) - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (key.type == -1) { - if (mac_addr) - key.type = NL80211_KEYTYPE_PAIRWISE; - else - key.type = NL80211_KEYTYPE_GROUP; - } - - /* for now */ - if (key.type != NL80211_KEYTYPE_PAIRWISE && - key.type != NL80211_KEYTYPE_GROUP) - return -EINVAL; - - if (!rdev->ops->del_key) - return -EOPNOTSUPP; - - wdev_lock(dev->ieee80211_ptr); - err = nl80211_key_allowed(dev->ieee80211_ptr); - - if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && - !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) - err = -ENOENT; - - if (!err) - err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, - key.type == NL80211_KEYTYPE_PAIRWISE, - mac_addr); - -#ifdef CONFIG_CFG80211_WEXT - if (!err) { - if (key.idx == dev->ieee80211_ptr->wext.default_key) - dev->ieee80211_ptr->wext.default_key = -1; - else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) - dev->ieee80211_ptr->wext.default_mgmt_key = -1; - } -#endif - wdev_unlock(dev->ieee80211_ptr); - - return err; -} - -static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) -{ - int (*call)(struct wiphy *wiphy, struct net_device *dev, - struct beacon_parameters *info); - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct beacon_parameters params; - int haveinfo = 0, err; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || - !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || - !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || - !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) - return -EINVAL; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - memset(¶ms, 0, sizeof(params)); - - switch (info->genlhdr->cmd) { - case NL80211_CMD_NEW_BEACON: - /* these are required for NEW_BEACON */ - if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || - !info->attrs[NL80211_ATTR_DTIM_PERIOD] || - !info->attrs[NL80211_ATTR_BEACON_HEAD]) - return -EINVAL; - - params.interval = - nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); - params.dtim_period = - nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); - - err = cfg80211_validate_beacon_int(rdev, params.interval); - if (err) - return err; - - /* - * In theory, some of these attributes could be required for - * NEW_BEACON, but since they were not used when the command was - * originally added, keep them optional for old user space - * programs to work with drivers that do not need the additional - * information. - */ - if (info->attrs[NL80211_ATTR_SSID]) { - params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); - params.ssid_len = - nla_len(info->attrs[NL80211_ATTR_SSID]); - if (params.ssid_len == 0 || - params.ssid_len > IEEE80211_MAX_SSID_LEN) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { - params.hidden_ssid = nla_get_u32( - info->attrs[NL80211_ATTR_HIDDEN_SSID]); - if (params.hidden_ssid != - NL80211_HIDDEN_SSID_NOT_IN_USE && - params.hidden_ssid != - NL80211_HIDDEN_SSID_ZERO_LEN && - params.hidden_ssid != - NL80211_HIDDEN_SSID_ZERO_CONTENTS) - return -EINVAL; - } - - params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; - - if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { - params.auth_type = nla_get_u32( - info->attrs[NL80211_ATTR_AUTH_TYPE]); - if (!nl80211_valid_auth_type(params.auth_type)) - return -EINVAL; - } else - params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; - - err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, - NL80211_MAX_NR_CIPHER_SUITES); - if (err) - return err; - - call = rdev->ops->add_beacon; - break; - case NL80211_CMD_SET_BEACON: - call = rdev->ops->set_beacon; - break; - default: - WARN_ON(1); - return -EOPNOTSUPP; - } - - if (!call) - return -EOPNOTSUPP; - - if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { - params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); - params.head_len = - nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); - haveinfo = 1; - } - - if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { - params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); - params.tail_len = - nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); - haveinfo = 1; - } - - if (!haveinfo) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_IE]) { - params.beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); - params.beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { - params.proberesp_ies = - nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); - params.proberesp_ies_len = - nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); - } - - if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { - params.assocresp_ies = - nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); - params.assocresp_ies_len = - nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); - } - - if (info->attrs[NL80211_ATTR_PROBE_RESP]) { - params.probe_resp = - nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]); - params.probe_resp_len = - nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]); - } - - err = call(&rdev->wiphy, dev, ¶ms); - if (!err && params.interval) - wdev->beacon_interval = params.interval; - return err; -} - -static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - if (!rdev->ops->del_beacon) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - err = rdev->ops->del_beacon(&rdev->wiphy, dev); - if (!err) - wdev->beacon_interval = 0; - return err; -} - -static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { - [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, - [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, - [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, - [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, - [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, -}; - -static int parse_station_flags(struct genl_info *info, - struct station_parameters *params) -{ - struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; - struct nlattr *nla; - int flag; - - /* - * Try parsing the new attribute first so userspace - * can specify both for older kernels. - */ - nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; - if (nla) { - struct nl80211_sta_flag_update *sta_flags; - - sta_flags = nla_data(nla); - params->sta_flags_mask = sta_flags->mask; - params->sta_flags_set = sta_flags->set; - if ((params->sta_flags_mask | - params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) - return -EINVAL; - return 0; - } - - /* if present, parse the old attribute */ - - nla = info->attrs[NL80211_ATTR_STA_FLAGS]; - if (!nla) - return 0; - - if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, - nla, sta_flags_policy)) - return -EINVAL; - - params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1; - params->sta_flags_mask &= ~1; - - for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) - if (flags[flag]) - params->sta_flags_set |= (1<<flag); - - return 0; -} - -static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, - int attr) -{ - struct nlattr *rate; - u16 bitrate; - - rate = nla_nest_start(msg, attr); - if (!rate) - goto nla_put_failure; - - /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ - bitrate = cfg80211_calculate_bitrate(info); - if (bitrate > 0) - NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate); - - if (info->flags & RATE_INFO_FLAGS_MCS) - NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs); - if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) - NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH); - if (info->flags & RATE_INFO_FLAGS_SHORT_GI) - NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI); - - nla_nest_end(msg, rate); - return true; - -nla_put_failure: - return false; -} - -static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, - int flags, struct net_device *dev, - const u8 *mac_addr, struct station_info *sinfo) -{ - void *hdr; - struct nlattr *sinfoattr, *bss_param; - - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); - if (!hdr) - return -1; - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); - - NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); - - sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); - if (!sinfoattr) - goto nla_put_failure; - if (sinfo->filled & STATION_INFO_CONNECTED_TIME) - NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, - sinfo->connected_time); - if (sinfo->filled & STATION_INFO_INACTIVE_TIME) - NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, - sinfo->inactive_time); - if (sinfo->filled & STATION_INFO_RX_BYTES) - NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, - sinfo->rx_bytes); - if (sinfo->filled & STATION_INFO_TX_BYTES) - NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, - sinfo->tx_bytes); - if (sinfo->filled & STATION_INFO_LLID) - NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, - sinfo->llid); - if (sinfo->filled & STATION_INFO_PLID) - NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, - sinfo->plid); - if (sinfo->filled & STATION_INFO_PLINK_STATE) - NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, - sinfo->plink_state); - if (sinfo->filled & STATION_INFO_SIGNAL) - NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, - sinfo->signal); - if (sinfo->filled & STATION_INFO_SIGNAL_AVG) - NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, - sinfo->signal_avg); - if (sinfo->filled & STATION_INFO_TX_BITRATE) { - if (!nl80211_put_sta_rate(msg, &sinfo->txrate, - NL80211_STA_INFO_TX_BITRATE)) - goto nla_put_failure; - } - if (sinfo->filled & STATION_INFO_RX_BITRATE) { - if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, - NL80211_STA_INFO_RX_BITRATE)) - goto nla_put_failure; - } - if (sinfo->filled & STATION_INFO_RX_PACKETS) - NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, - sinfo->rx_packets); - if (sinfo->filled & STATION_INFO_TX_PACKETS) - NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, - sinfo->tx_packets); - if (sinfo->filled & STATION_INFO_TX_RETRIES) - NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, - sinfo->tx_retries); - if (sinfo->filled & STATION_INFO_TX_FAILED) - NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, - sinfo->tx_failed); - if (sinfo->filled & STATION_INFO_BSS_PARAM) { - bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); - if (!bss_param) - goto nla_put_failure; - - if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) - NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); - if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) - NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); - if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) - NLA_PUT_FLAG(msg, - NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); - NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, - sinfo->bss_param.dtim_period); - NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, - sinfo->bss_param.beacon_interval); - - nla_nest_end(msg, bss_param); - } - if (sinfo->filled & STATION_INFO_STA_FLAGS) - NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS, - sizeof(struct nl80211_sta_flag_update), - &sinfo->sta_flags); - nla_nest_end(msg, sinfoattr); - - if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES) - NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, - sinfo->assoc_req_ies); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int nl80211_dump_station(struct sk_buff *skb, - struct netlink_callback *cb) -{ - struct station_info sinfo; - struct cfg80211_registered_device *dev; - struct net_device *netdev; - u8 mac_addr[ETH_ALEN]; - int sta_idx = cb->args[1]; - int err; - - err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); - if (err) - return err; - - if (!dev->ops->dump_station) { - err = -EOPNOTSUPP; - goto out_err; - } - - while (1) { - memset(&sinfo, 0, sizeof(sinfo)); - err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, - mac_addr, &sinfo); - if (err == -ENOENT) - break; - if (err) - goto out_err; - - if (nl80211_send_station(skb, - NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - netdev, mac_addr, - &sinfo) < 0) - goto out; - - sta_idx++; - } - - - out: - cb->args[1] = sta_idx; - err = skb->len; - out_err: - nl80211_finish_netdev_dump(dev); - - return err; -} - -static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct station_info sinfo; - struct sk_buff *msg; - u8 *mac_addr = NULL; - int err; - - memset(&sinfo, 0, sizeof(sinfo)); - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (!rdev->ops->get_station) - return -EOPNOTSUPP; - - err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); - if (err) - return err; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, - dev, mac_addr, &sinfo) < 0) { - nlmsg_free(msg); - return -ENOBUFS; - } - - return genlmsg_reply(msg, info); -} - -/* - * Get vlan interface making sure it is running and on the right wiphy. - */ -static int get_vlan(struct genl_info *info, - struct cfg80211_registered_device *rdev, - struct net_device **vlan) -{ - struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; - *vlan = NULL; - - if (vlanattr) { - *vlan = dev_get_by_index(genl_info_net(info), - nla_get_u32(vlanattr)); - if (!*vlan) - return -ENODEV; - if (!(*vlan)->ieee80211_ptr) - return -EINVAL; - if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) - return -EINVAL; - if (!netif_running(*vlan)) - return -ENETDOWN; - } - return 0; -} - -static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - struct net_device *dev = info->user_ptr[1]; - struct station_parameters params; - u8 *mac_addr = NULL; - - memset(¶ms, 0, sizeof(params)); - - params.listen_interval = -1; - params.plink_state = -1; - - if (info->attrs[NL80211_ATTR_STA_AID]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { - params.supported_rates = - nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); - params.supported_rates_len = - nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); - } - - if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) - params.listen_interval = - nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); - - if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) - params.ht_capa = - nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); - - if (parse_station_flags(info, ¶ms)) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) - params.plink_action = - nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); - - if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) - params.plink_state = - nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); - - err = get_vlan(info, rdev, ¶ms.vlan); - if (err) - goto out; - - /* validate settings */ - err = 0; - - switch (dev->ieee80211_ptr->iftype) { - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_P2P_GO: - /* disallow mesh-specific things */ - if (params.plink_action) - err = -EINVAL; - break; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_STATION: - /* disallow things sta doesn't support */ - if (params.plink_action) - err = -EINVAL; - if (params.vlan) - err = -EINVAL; - if (params.supported_rates && - !(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) - err = -EINVAL; - if (params.ht_capa) - err = -EINVAL; - if (params.listen_interval >= 0) - err = -EINVAL; - if (params.sta_flags_mask & - ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | - BIT(NL80211_STA_FLAG_TDLS_PEER))) - err = -EINVAL; - /* can't change the TDLS bit */ - if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && - (params.sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER))) - err = -EINVAL; - break; - case NL80211_IFTYPE_MESH_POINT: - /* disallow things mesh doesn't support */ - if (params.vlan) - err = -EINVAL; - if (params.ht_capa) - err = -EINVAL; - if (params.listen_interval >= 0) - err = -EINVAL; - if (params.sta_flags_mask & - ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | - BIT(NL80211_STA_FLAG_MFP) | - BIT(NL80211_STA_FLAG_AUTHORIZED))) - err = -EINVAL; - break; - default: - err = -EINVAL; - } - - if (err) - goto out; - - if (!rdev->ops->change_station) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); - - out: - if (params.vlan) - dev_put(params.vlan); - - return err; -} - -static struct nla_policy -nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { - [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, - [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, -}; - -static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - struct net_device *dev = info->user_ptr[1]; - struct station_parameters params; - u8 *mac_addr = NULL; - - memset(¶ms, 0, sizeof(params)); - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_STA_AID]) - return -EINVAL; - - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - params.supported_rates = - nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); - params.supported_rates_len = - nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); - params.listen_interval = - nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); - - params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); - if (!params.aid || params.aid > IEEE80211_MAX_AID) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) - params.ht_capa = - nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); - - if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) - params.plink_action = - nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); - - if (parse_station_flags(info, ¶ms)) - return -EINVAL; - - /* parse WME attributes if sta is WME capable */ - if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && - (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) && - info->attrs[NL80211_ATTR_STA_WME]) { - struct nlattr *tb[NL80211_STA_WME_MAX + 1]; - struct nlattr *nla; - - nla = info->attrs[NL80211_ATTR_STA_WME]; - err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, - nl80211_sta_wme_policy); - if (err) - return err; - - if (tb[NL80211_STA_WME_UAPSD_QUEUES]) - params.uapsd_queues = - nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); - if (params.uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) - return -EINVAL; - - if (tb[NL80211_STA_WME_MAX_SP]) - params.max_sp = - nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); - - if (params.max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) - return -EINVAL; - - params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) - return -EINVAL; - - /* - * Only managed stations can add TDLS peers, and only when the - * wiphy supports external TDLS setup. - */ - if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION && - !((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && - (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && - (rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))) - return -EINVAL; - - err = get_vlan(info, rdev, ¶ms.vlan); - if (err) - goto out; - - /* validate settings */ - err = 0; - - if (!rdev->ops->add_station) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); - - out: - if (params.vlan) - dev_put(params.vlan); - return err; -} - -static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u8 *mac_addr = NULL; - - if (info->attrs[NL80211_ATTR_MAC]) - mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EINVAL; - - if (!rdev->ops->del_station) - return -EOPNOTSUPP; - - return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); -} - -static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, - int flags, struct net_device *dev, - u8 *dst, u8 *next_hop, - struct mpath_info *pinfo) -{ - void *hdr; - struct nlattr *pinfoattr; - - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); - if (!hdr) - return -1; - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); - NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); - - NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); - - pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); - if (!pinfoattr) - goto nla_put_failure; - if (pinfo->filled & MPATH_INFO_FRAME_QLEN) - NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, - pinfo->frame_qlen); - if (pinfo->filled & MPATH_INFO_SN) - NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, - pinfo->sn); - if (pinfo->filled & MPATH_INFO_METRIC) - NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, - pinfo->metric); - if (pinfo->filled & MPATH_INFO_EXPTIME) - NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, - pinfo->exptime); - if (pinfo->filled & MPATH_INFO_FLAGS) - NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, - pinfo->flags); - if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) - NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, - pinfo->discovery_timeout); - if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) - NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, - pinfo->discovery_retries); - - nla_nest_end(msg, pinfoattr); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int nl80211_dump_mpath(struct sk_buff *skb, - struct netlink_callback *cb) -{ - struct mpath_info pinfo; - struct cfg80211_registered_device *dev; - struct net_device *netdev; - u8 dst[ETH_ALEN]; - u8 next_hop[ETH_ALEN]; - int path_idx = cb->args[1]; - int err; - - err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); - if (err) - return err; - - if (!dev->ops->dump_mpath) { - err = -EOPNOTSUPP; - goto out_err; - } - - if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { - err = -EOPNOTSUPP; - goto out_err; - } - - while (1) { - err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, - dst, next_hop, &pinfo); - if (err == -ENOENT) - break; - if (err) - goto out_err; - - if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - netdev, dst, next_hop, - &pinfo) < 0) - goto out; - - path_idx++; - } - - - out: - cb->args[1] = path_idx; - err = skb->len; - out_err: - nl80211_finish_netdev_dump(dev); - return err; -} - -static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - struct net_device *dev = info->user_ptr[1]; - struct mpath_info pinfo; - struct sk_buff *msg; - u8 *dst = NULL; - u8 next_hop[ETH_ALEN]; - - memset(&pinfo, 0, sizeof(pinfo)); - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (!rdev->ops->get_mpath) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); - if (err) - return err; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, - dev, dst, next_hop, &pinfo) < 0) { - nlmsg_free(msg); - return -ENOBUFS; - } - - return genlmsg_reply(msg, info); -} - -static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u8 *dst = NULL; - u8 *next_hop = NULL; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) - return -EINVAL; - - dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); - - if (!rdev->ops->change_mpath) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); -} - -static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u8 *dst = NULL; - u8 *next_hop = NULL; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) - return -EINVAL; - - dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); - - if (!rdev->ops->add_mpath) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); -} - -static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u8 *dst = NULL; - - if (info->attrs[NL80211_ATTR_MAC]) - dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (!rdev->ops->del_mpath) - return -EOPNOTSUPP; - - return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); -} - -static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct bss_parameters params; - - memset(¶ms, 0, sizeof(params)); - /* default to not changing parameters */ - params.use_cts_prot = -1; - params.use_short_preamble = -1; - params.use_short_slot_time = -1; - params.ap_isolate = -1; - params.ht_opmode = -1; - - if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) - params.use_cts_prot = - nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); - if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) - params.use_short_preamble = - nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); - if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) - params.use_short_slot_time = - nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); - if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { - params.basic_rates = - nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); - params.basic_rates_len = - nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); - } - if (info->attrs[NL80211_ATTR_AP_ISOLATE]) - params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); - if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) - params.ht_opmode = - nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); - - if (!rdev->ops->change_bss) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); -} - -static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { - [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, - [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, - [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, - [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, - [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, - [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, -}; - -static int parse_reg_rule(struct nlattr *tb[], - struct ieee80211_reg_rule *reg_rule) -{ - struct ieee80211_freq_range *freq_range = ®_rule->freq_range; - struct ieee80211_power_rule *power_rule = ®_rule->power_rule; - - if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) - return -EINVAL; - if (!tb[NL80211_ATTR_FREQ_RANGE_START]) - return -EINVAL; - if (!tb[NL80211_ATTR_FREQ_RANGE_END]) - return -EINVAL; - if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) - return -EINVAL; - if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) - return -EINVAL; - - reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); - - freq_range->start_freq_khz = - nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); - freq_range->end_freq_khz = - nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); - freq_range->max_bandwidth_khz = - nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); - - power_rule->max_eirp = - nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); - - if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) - power_rule->max_antenna_gain = - nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); - - return 0; -} - -static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) -{ - int r; - char *data = NULL; - - /* - * You should only get this when cfg80211 hasn't yet initialized - * completely when built-in to the kernel right between the time - * window between nl80211_init() and regulatory_init(), if that is - * even possible. - */ - mutex_lock(&cfg80211_mutex); - if (unlikely(!cfg80211_regdomain)) { - mutex_unlock(&cfg80211_mutex); - return -EINPROGRESS; - } - mutex_unlock(&cfg80211_mutex); - - if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) - return -EINVAL; - - data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); - - r = regulatory_hint_user(data); - - return r; -} - -static int nl80211_get_mesh_config(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct mesh_config cur_params; - int err = 0; - void *hdr; - struct nlattr *pinfoattr; - struct sk_buff *msg; - - if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - if (!rdev->ops->get_mesh_config) - return -EOPNOTSUPP; - - wdev_lock(wdev); - /* If not connected, get default parameters */ - if (!wdev->mesh_id_len) - memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); - else - err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, - &cur_params); - wdev_unlock(wdev); - - if (err) - return err; - - /* Draw up a netlink message to send back */ - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_GET_MESH_CONFIG); - if (!hdr) - goto out; - pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); - if (!pinfoattr) - goto nla_put_failure; - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, - cur_params.dot11MeshRetryTimeout); - NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, - cur_params.dot11MeshConfirmTimeout); - NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, - cur_params.dot11MeshHoldingTimeout); - NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, - cur_params.dot11MeshMaxPeerLinks); - NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, - cur_params.dot11MeshMaxRetries); - NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, - cur_params.dot11MeshTTL); - NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, - cur_params.element_ttl); - NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, - cur_params.auto_open_plinks); - NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, - cur_params.dot11MeshHWMPmaxPREQretries); - NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, - cur_params.path_refresh_time); - NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, - cur_params.min_discovery_timeout); - NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, - cur_params.dot11MeshHWMPactivePathTimeout); - NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, - cur_params.dot11MeshHWMPpreqMinInterval); - NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, - cur_params.dot11MeshHWMPnetDiameterTraversalTime); - NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, - cur_params.dot11MeshHWMPRootMode); - NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, - cur_params.dot11MeshHWMPRannInterval); - NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, - cur_params.dot11MeshGateAnnouncementProtocol); - nla_nest_end(msg, pinfoattr); - genlmsg_end(msg, hdr); - return genlmsg_reply(msg, info); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - out: - nlmsg_free(msg); - return -ENOBUFS; -} - -static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { - [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, - [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, - [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, - [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, - [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, - [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, - [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, - [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, - - [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, - [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, - [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, - [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, - [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, - [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, - [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, - [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, - [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, -}; - -static const struct nla_policy - nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { - [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, - [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, - [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, - [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, - [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, -}; - -static int nl80211_parse_mesh_config(struct genl_info *info, - struct mesh_config *cfg, - u32 *mask_out) -{ - struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; - u32 mask = 0; - -#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ -do {\ - if (table[attr_num]) {\ - cfg->param = nla_fn(table[attr_num]); \ - mask |= (1 << (attr_num - 1)); \ - } \ -} while (0);\ - - - if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) - return -EINVAL; - if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, - info->attrs[NL80211_ATTR_MESH_CONFIG], - nl80211_meshconf_params_policy)) - return -EINVAL; - - /* This makes sure that there aren't more than 32 mesh config - * parameters (otherwise our bitfield scheme would not work.) */ - BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); - - /* Fill in the params struct */ - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, - mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, - mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, - mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, - mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, - mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, - mask, NL80211_MESHCONF_TTL, nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, - mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, - mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, - mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, - nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, - mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, - mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, - nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, - mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, - nla_get_u32); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, - mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, - nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshHWMPnetDiameterTraversalTime, - mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, - nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshHWMPRootMode, mask, - NL80211_MESHCONF_HWMP_ROOTMODE, - nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshHWMPRannInterval, mask, - NL80211_MESHCONF_HWMP_RANN_INTERVAL, - nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshGateAnnouncementProtocol, mask, - NL80211_MESHCONF_GATE_ANNOUNCEMENTS, - nla_get_u8); - if (mask_out) - *mask_out = mask; - - return 0; - -#undef FILL_IN_MESH_PARAM_IF_SET -} - -static int nl80211_parse_mesh_setup(struct genl_info *info, - struct mesh_setup *setup) -{ - struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; - - if (!info->attrs[NL80211_ATTR_MESH_SETUP]) - return -EINVAL; - if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, - info->attrs[NL80211_ATTR_MESH_SETUP], - nl80211_mesh_setup_params_policy)) - return -EINVAL; - - if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) - setup->path_sel_proto = - (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? - IEEE80211_PATH_PROTOCOL_VENDOR : - IEEE80211_PATH_PROTOCOL_HWMP; - - if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) - setup->path_metric = - (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? - IEEE80211_PATH_METRIC_VENDOR : - IEEE80211_PATH_METRIC_AIRTIME; - - - if (tb[NL80211_MESH_SETUP_IE]) { - struct nlattr *ieattr = - tb[NL80211_MESH_SETUP_IE]; - if (!is_valid_ie_attr(ieattr)) - return -EINVAL; - setup->ie = nla_data(ieattr); - setup->ie_len = nla_len(ieattr); - } - setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); - setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); - - return 0; -} - -static int nl80211_update_mesh_config(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct mesh_config cfg; - u32 mask; - int err; - - if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) - return -EOPNOTSUPP; - - if (!rdev->ops->update_mesh_config) - return -EOPNOTSUPP; - - err = nl80211_parse_mesh_config(info, &cfg, &mask); - if (err) - return err; - - wdev_lock(wdev); - if (!wdev->mesh_id_len) - err = -ENOLINK; - - if (!err) - err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, - mask, &cfg); - - wdev_unlock(wdev); - - return err; -} - -static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) -{ - struct sk_buff *msg; - void *hdr = NULL; - struct nlattr *nl_reg_rules; - unsigned int i; - int err = -EINVAL; - - mutex_lock(&cfg80211_mutex); - - if (!cfg80211_regdomain) - goto out; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) { - err = -ENOBUFS; - goto out; - } - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_GET_REG); - if (!hdr) - goto put_failure; - - NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, - cfg80211_regdomain->alpha2); - - nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); - if (!nl_reg_rules) - goto nla_put_failure; - - for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { - struct nlattr *nl_reg_rule; - const struct ieee80211_reg_rule *reg_rule; - const struct ieee80211_freq_range *freq_range; - const struct ieee80211_power_rule *power_rule; - - reg_rule = &cfg80211_regdomain->reg_rules[i]; - freq_range = ®_rule->freq_range; - power_rule = ®_rule->power_rule; - - nl_reg_rule = nla_nest_start(msg, i); - if (!nl_reg_rule) - goto nla_put_failure; - - NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, - reg_rule->flags); - NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, - freq_range->start_freq_khz); - NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, - freq_range->end_freq_khz); - NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, - freq_range->max_bandwidth_khz); - NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, - power_rule->max_antenna_gain); - NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, - power_rule->max_eirp); - - nla_nest_end(msg, nl_reg_rule); - } - - nla_nest_end(msg, nl_reg_rules); - - genlmsg_end(msg, hdr); - err = genlmsg_reply(msg, info); - goto out; - -nla_put_failure: - genlmsg_cancel(msg, hdr); -put_failure: - nlmsg_free(msg); - err = -EMSGSIZE; -out: - mutex_unlock(&cfg80211_mutex); - return err; -} - -static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) -{ - struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; - struct nlattr *nl_reg_rule; - char *alpha2 = NULL; - int rem_reg_rules = 0, r = 0; - u32 num_rules = 0, rule_idx = 0, size_of_regd; - struct ieee80211_regdomain *rd = NULL; - - if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_REG_RULES]) - return -EINVAL; - - alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); - - nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], - rem_reg_rules) { - num_rules++; - if (num_rules > NL80211_MAX_SUPP_REG_RULES) - return -EINVAL; - } - - mutex_lock(&cfg80211_mutex); - - if (!reg_is_valid_request(alpha2)) { - r = -EINVAL; - goto bad_reg; - } - - size_of_regd = sizeof(struct ieee80211_regdomain) + - (num_rules * sizeof(struct ieee80211_reg_rule)); - - rd = kzalloc(size_of_regd, GFP_KERNEL); - if (!rd) { - r = -ENOMEM; - goto bad_reg; - } - - rd->n_reg_rules = num_rules; - rd->alpha2[0] = alpha2[0]; - rd->alpha2[1] = alpha2[1]; - - nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], - rem_reg_rules) { - nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, - nla_data(nl_reg_rule), nla_len(nl_reg_rule), - reg_rule_policy); - r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); - if (r) - goto bad_reg; - - rule_idx++; - - if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { - r = -EINVAL; - goto bad_reg; - } - } - - BUG_ON(rule_idx != num_rules); - - r = set_regdom(rd); - - mutex_unlock(&cfg80211_mutex); - - return r; - - bad_reg: - mutex_unlock(&cfg80211_mutex); - kfree(rd); - return r; -} - -static int validate_scan_freqs(struct nlattr *freqs) -{ - struct nlattr *attr1, *attr2; - int n_channels = 0, tmp1, tmp2; - - nla_for_each_nested(attr1, freqs, tmp1) { - n_channels++; - /* - * Some hardware has a limited channel list for - * scanning, and it is pretty much nonsensical - * to scan for a channel twice, so disallow that - * and don't require drivers to check that the - * channel list they get isn't longer than what - * they can scan, as long as they can scan all - * the channels they registered at once. - */ - nla_for_each_nested(attr2, freqs, tmp2) - if (attr1 != attr2 && - nla_get_u32(attr1) == nla_get_u32(attr2)) - return 0; - } - - return n_channels; -} - -static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct cfg80211_scan_request *request; - struct nlattr *attr; - struct wiphy *wiphy; - int err, tmp, n_ssids = 0, n_channels, i; - size_t ie_len; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - wiphy = &rdev->wiphy; - - if (!rdev->ops->scan) - return -EOPNOTSUPP; - - if (rdev->scan_req) - return -EBUSY; - - if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { - n_channels = validate_scan_freqs( - info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); - if (!n_channels) - return -EINVAL; - } else { - enum ieee80211_band band; - n_channels = 0; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - n_channels += wiphy->bands[band]->n_channels; - } - - if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) - nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) - n_ssids++; - - if (n_ssids > wiphy->max_scan_ssids) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_IE]) - ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - else - ie_len = 0; - - if (ie_len > wiphy->max_scan_ie_len) - return -EINVAL; - - request = kzalloc(sizeof(*request) - + sizeof(*request->ssids) * n_ssids - + sizeof(*request->channels) * n_channels - + ie_len, GFP_KERNEL); - if (!request) - return -ENOMEM; - - if (n_ssids) - request->ssids = (void *)&request->channels[n_channels]; - request->n_ssids = n_ssids; - if (ie_len) { - if (request->ssids) - request->ie = (void *)(request->ssids + n_ssids); - else - request->ie = (void *)(request->channels + n_channels); - } - - i = 0; - if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { - /* user specified, bail out if channel not found */ - nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { - struct ieee80211_channel *chan; - - chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); - - if (!chan) { - err = -EINVAL; - goto out_free; - } - - /* ignore disabled channels */ - if (chan->flags & IEEE80211_CHAN_DISABLED) - continue; - - request->channels[i] = chan; - i++; - } - } else { - enum ieee80211_band band; - - /* all channels */ - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - int j; - if (!wiphy->bands[band]) - continue; - for (j = 0; j < wiphy->bands[band]->n_channels; j++) { - struct ieee80211_channel *chan; - - chan = &wiphy->bands[band]->channels[j]; - - if (chan->flags & IEEE80211_CHAN_DISABLED) - continue; - - request->channels[i] = chan; - i++; - } - } - } - - if (!i) { - err = -EINVAL; - goto out_free; - } - - request->n_channels = i; - - i = 0; - if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { - nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { - if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { - err = -EINVAL; - goto out_free; - } - request->ssids[i].ssid_len = nla_len(attr); - memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); - i++; - } - } - - if (info->attrs[NL80211_ATTR_IE]) { - request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - memcpy((void *)request->ie, - nla_data(info->attrs[NL80211_ATTR_IE]), - request->ie_len); - } - - for (i = 0; i < IEEE80211_NUM_BANDS; i++) - if (wiphy->bands[i]) - request->rates[i] = - (1 << wiphy->bands[i]->n_bitrates) - 1; - - if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { - nla_for_each_nested(attr, - info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], - tmp) { - enum ieee80211_band band = nla_type(attr); - - if (band < 0 || band >= IEEE80211_NUM_BANDS) { - err = -EINVAL; - goto out_free; - } - err = ieee80211_get_ratemask(wiphy->bands[band], - nla_data(attr), - nla_len(attr), - &request->rates[band]); - if (err) - goto out_free; - } - } - - request->no_cck = - nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); - - request->dev = dev; - request->wiphy = &rdev->wiphy; - - rdev->scan_req = request; - err = rdev->ops->scan(&rdev->wiphy, dev, request); - - if (!err) { - nl80211_send_scan_start(rdev, dev); - dev_hold(dev); - } else { - out_free: - rdev->scan_req = NULL; - kfree(request); - } - - return err; -} - -static int nl80211_start_sched_scan(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_sched_scan_request *request; - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct nlattr *attr; - struct wiphy *wiphy; - int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; - u32 interval; - enum ieee80211_band band; - size_t ie_len; - struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || - !rdev->ops->sched_scan_start) - return -EOPNOTSUPP; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) - return -EINVAL; - - interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); - if (interval == 0) - return -EINVAL; - - wiphy = &rdev->wiphy; - - if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { - n_channels = validate_scan_freqs( - info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); - if (!n_channels) - return -EINVAL; - } else { - n_channels = 0; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - n_channels += wiphy->bands[band]->n_channels; - } - - if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) - nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], - tmp) - n_ssids++; - - if (n_ssids > wiphy->max_sched_scan_ssids) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) - nla_for_each_nested(attr, - info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], - tmp) - n_match_sets++; - - if (n_match_sets > wiphy->max_match_sets) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_IE]) - ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - else - ie_len = 0; - - if (ie_len > wiphy->max_sched_scan_ie_len) - return -EINVAL; - - mutex_lock(&rdev->sched_scan_mtx); - - if (rdev->sched_scan_req) { - err = -EINPROGRESS; - goto out; - } - - request = kzalloc(sizeof(*request) - + sizeof(*request->ssids) * n_ssids - + sizeof(*request->match_sets) * n_match_sets - + sizeof(*request->channels) * n_channels - + ie_len, GFP_KERNEL); - if (!request) { - err = -ENOMEM; - goto out; - } - - if (n_ssids) - request->ssids = (void *)&request->channels[n_channels]; - request->n_ssids = n_ssids; - if (ie_len) { - if (request->ssids) - request->ie = (void *)(request->ssids + n_ssids); - else - request->ie = (void *)(request->channels + n_channels); - } - - if (n_match_sets) { - if (request->ie) - request->match_sets = (void *)(request->ie + ie_len); - else if (request->ssids) - request->match_sets = - (void *)(request->ssids + n_ssids); - else - request->match_sets = - (void *)(request->channels + n_channels); - } - request->n_match_sets = n_match_sets; - - i = 0; - if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { - /* user specified, bail out if channel not found */ - nla_for_each_nested(attr, - info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], - tmp) { - struct ieee80211_channel *chan; - - chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); - - if (!chan) { - err = -EINVAL; - goto out_free; - } - - /* ignore disabled channels */ - if (chan->flags & IEEE80211_CHAN_DISABLED) - continue; - - request->channels[i] = chan; - i++; - } - } else { - /* all channels */ - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - int j; - if (!wiphy->bands[band]) - continue; - for (j = 0; j < wiphy->bands[band]->n_channels; j++) { - struct ieee80211_channel *chan; - - chan = &wiphy->bands[band]->channels[j]; - - if (chan->flags & IEEE80211_CHAN_DISABLED) - continue; - - request->channels[i] = chan; - i++; - } - } - } - - if (!i) { - err = -EINVAL; - goto out_free; - } - - request->n_channels = i; - - i = 0; - if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { - nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], - tmp) { - if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { - err = -EINVAL; - goto out_free; - } - request->ssids[i].ssid_len = nla_len(attr); - memcpy(request->ssids[i].ssid, nla_data(attr), - nla_len(attr)); - i++; - } - } - - i = 0; - if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { - nla_for_each_nested(attr, - info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], - tmp) { - struct nlattr *ssid; - - nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, - nla_data(attr), nla_len(attr), - nl80211_match_policy); - ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID]; - if (ssid) { - if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { - err = -EINVAL; - goto out_free; - } - memcpy(request->match_sets[i].ssid.ssid, - nla_data(ssid), nla_len(ssid)); - request->match_sets[i].ssid.ssid_len = - nla_len(ssid); - } - i++; - } - } - - if (info->attrs[NL80211_ATTR_IE]) { - request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - memcpy((void *)request->ie, - nla_data(info->attrs[NL80211_ATTR_IE]), - request->ie_len); - } - - request->dev = dev; - request->wiphy = &rdev->wiphy; - request->interval = interval; - - err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request); - if (!err) { - rdev->sched_scan_req = request; - nl80211_send_sched_scan(rdev, dev, - NL80211_CMD_START_SCHED_SCAN); - goto out; - } - -out_free: - kfree(request); -out: - mutex_unlock(&rdev->sched_scan_mtx); - return err; -} - -static int nl80211_stop_sched_scan(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || - !rdev->ops->sched_scan_stop) - return -EOPNOTSUPP; - - mutex_lock(&rdev->sched_scan_mtx); - err = __cfg80211_stop_sched_scan(rdev, false); - mutex_unlock(&rdev->sched_scan_mtx); - - return err; -} - -static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, - u32 seq, int flags, - struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - struct cfg80211_internal_bss *intbss) -{ - struct cfg80211_bss *res = &intbss->pub; - void *hdr; - struct nlattr *bss; - int i; - - ASSERT_WDEV_LOCK(wdev); - - hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, - NL80211_CMD_NEW_SCAN_RESULTS); - if (!hdr) - return -1; - - genl_dump_check_consistent(cb, hdr, &nl80211_fam); - - NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); - - bss = nla_nest_start(msg, NL80211_ATTR_BSS); - if (!bss) - goto nla_put_failure; - if (!is_zero_ether_addr(res->bssid)) - NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); - if (res->information_elements && res->len_information_elements) - NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, - res->len_information_elements, - res->information_elements); - if (res->beacon_ies && res->len_beacon_ies && - res->beacon_ies != res->information_elements) - NLA_PUT(msg, NL80211_BSS_BEACON_IES, - res->len_beacon_ies, res->beacon_ies); - if (res->tsf) - NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); - if (res->beacon_interval) - NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); - NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); - NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); - NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, - jiffies_to_msecs(jiffies - intbss->ts)); - - switch (rdev->wiphy.signal_type) { - case CFG80211_SIGNAL_TYPE_MBM: - NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); - break; - case CFG80211_SIGNAL_TYPE_UNSPEC: - NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); - break; - default: - break; - } - - switch (wdev->iftype) { - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_STATION: - if (intbss == wdev->current_bss) - NLA_PUT_U32(msg, NL80211_BSS_STATUS, - NL80211_BSS_STATUS_ASSOCIATED); - else for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (intbss != wdev->auth_bsses[i]) - continue; - NLA_PUT_U32(msg, NL80211_BSS_STATUS, - NL80211_BSS_STATUS_AUTHENTICATED); - break; - } - break; - case NL80211_IFTYPE_ADHOC: - if (intbss == wdev->current_bss) - NLA_PUT_U32(msg, NL80211_BSS_STATUS, - NL80211_BSS_STATUS_IBSS_JOINED); - break; - default: - break; - } - - nla_nest_end(msg, bss); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int nl80211_dump_scan(struct sk_buff *skb, - struct netlink_callback *cb) -{ - struct cfg80211_registered_device *rdev; - struct net_device *dev; - struct cfg80211_internal_bss *scan; - struct wireless_dev *wdev; - int start = cb->args[1], idx = 0; - int err; - - err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); - if (err) - return err; - - wdev = dev->ieee80211_ptr; - - wdev_lock(wdev); - spin_lock_bh(&rdev->bss_lock); - cfg80211_bss_expire(rdev); - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) - cb->seq = rdev->bss_generation; -#endif - - list_for_each_entry(scan, &rdev->bss_list, list) { - if (++idx <= start) - continue; - if (nl80211_send_bss(skb, cb, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - rdev, wdev, scan) < 0) { - idx--; - break; - } - } - - spin_unlock_bh(&rdev->bss_lock); - wdev_unlock(wdev); - - cb->args[1] = idx; - nl80211_finish_netdev_dump(rdev); - - return skb->len; -} - -static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, - int flags, struct net_device *dev, - struct survey_info *survey) -{ - void *hdr; - struct nlattr *infoattr; - - hdr = nl80211hdr_put(msg, pid, seq, flags, - NL80211_CMD_NEW_SURVEY_RESULTS); - if (!hdr) - return -ENOMEM; - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - - infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); - if (!infoattr) - goto nla_put_failure; - - NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, - survey->channel->center_freq); - if (survey->filled & SURVEY_INFO_NOISE_DBM) - NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, - survey->noise); - if (survey->filled & SURVEY_INFO_IN_USE) - NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); - if (survey->filled & SURVEY_INFO_CHANNEL_TIME) - NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, - survey->channel_time); - if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) - NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, - survey->channel_time_busy); - if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) - NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, - survey->channel_time_ext_busy); - if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) - NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, - survey->channel_time_rx); - if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) - NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, - survey->channel_time_tx); - - nla_nest_end(msg, infoattr); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int nl80211_dump_survey(struct sk_buff *skb, - struct netlink_callback *cb) -{ - struct survey_info survey; - struct cfg80211_registered_device *dev; - struct net_device *netdev; - int survey_idx = cb->args[1]; - int res; - - res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); - if (res) - return res; - - if (!dev->ops->dump_survey) { - res = -EOPNOTSUPP; - goto out_err; - } - - while (1) { - struct ieee80211_channel *chan; - - res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, - &survey); - if (res == -ENOENT) - break; - if (res) - goto out_err; - - /* Survey without a channel doesn't make sense */ - if (!survey.channel) { - res = -EINVAL; - goto out; - } - - chan = ieee80211_get_channel(&dev->wiphy, - survey.channel->center_freq); - if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { - survey_idx++; - continue; - } - - if (nl80211_send_survey(skb, - NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - netdev, - &survey) < 0) - goto out; - survey_idx++; - } - - out: - cb->args[1] = survey_idx; - res = skb->len; - out_err: - nl80211_finish_netdev_dump(dev); - return res; -} - -static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) -{ - return auth_type <= NL80211_AUTHTYPE_MAX; -} - -static bool nl80211_valid_wpa_versions(u32 wpa_versions) -{ - return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | - NL80211_WPA_VERSION_2)); -} - -static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct ieee80211_channel *chan; - const u8 *bssid, *ssid, *ie = NULL; - int err, ssid_len, ie_len = 0; - enum nl80211_auth_type auth_type; - struct key_parse key; - bool local_state_change; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_SSID]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) - return -EINVAL; - - err = nl80211_parse_key(info, &key); - if (err) - return err; - - if (key.idx >= 0) { - if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) - return -EINVAL; - if (!key.p.key || !key.p.key_len) - return -EINVAL; - if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || - key.p.key_len != WLAN_KEY_LEN_WEP40) && - (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || - key.p.key_len != WLAN_KEY_LEN_WEP104)) - return -EINVAL; - if (key.idx > 4) - return -EINVAL; - } else { - key.p.key_len = 0; - key.p.key = NULL; - } - - if (key.idx >= 0) { - int i; - bool ok = false; - for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { - if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { - ok = true; - break; - } - } - if (!ok) - return -EINVAL; - } - - if (!rdev->ops->auth) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - chan = ieee80211_get_channel(&rdev->wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) - return -EINVAL; - - ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); - ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); - - if (info->attrs[NL80211_ATTR_IE]) { - ie = nla_data(info->attrs[NL80211_ATTR_IE]); - ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); - if (!nl80211_valid_auth_type(auth_type)) - return -EINVAL; - - local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; - - return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, - ssid, ssid_len, ie, ie_len, - key.p.key, key.p.key_len, key.idx, - local_state_change); -} - -static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, - struct genl_info *info, - struct cfg80211_crypto_settings *settings, - int cipher_limit) -{ - memset(settings, 0, sizeof(*settings)); - - settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; - - if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { - u16 proto; - proto = nla_get_u16( - info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); - settings->control_port_ethertype = cpu_to_be16(proto); - if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && - proto != ETH_P_PAE) - return -EINVAL; - if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) - settings->control_port_no_encrypt = true; - } else - settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); - - if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { - void *data; - int len, i; - - data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); - len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); - settings->n_ciphers_pairwise = len / sizeof(u32); - - if (len % sizeof(u32)) - return -EINVAL; - - if (settings->n_ciphers_pairwise > cipher_limit) - return -EINVAL; - - memcpy(settings->ciphers_pairwise, data, len); - - for (i = 0; i < settings->n_ciphers_pairwise; i++) - if (!cfg80211_supported_cipher_suite( - &rdev->wiphy, - settings->ciphers_pairwise[i])) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { - settings->cipher_group = - nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); - if (!cfg80211_supported_cipher_suite(&rdev->wiphy, - settings->cipher_group)) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { - settings->wpa_versions = - nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); - if (!nl80211_valid_wpa_versions(settings->wpa_versions)) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_AKM_SUITES]) { - void *data; - int len; - - data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); - len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); - settings->n_akm_suites = len / sizeof(u32); - - if (len % sizeof(u32)) - return -EINVAL; - - if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) - return -EINVAL; - - memcpy(settings->akm_suites, data, len); - } - - return 0; -} - -static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct cfg80211_crypto_settings crypto; - struct ieee80211_channel *chan; - const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; - int err, ssid_len, ie_len = 0; - bool use_mfp = false; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MAC] || - !info->attrs[NL80211_ATTR_SSID] || - !info->attrs[NL80211_ATTR_WIPHY_FREQ]) - return -EINVAL; - - if (!rdev->ops->assoc) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - - chan = ieee80211_get_channel(&rdev->wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) - return -EINVAL; - - ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); - ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); - - if (info->attrs[NL80211_ATTR_IE]) { - ie = nla_data(info->attrs[NL80211_ATTR_IE]); - ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - if (info->attrs[NL80211_ATTR_USE_MFP]) { - enum nl80211_mfp mfp = - nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); - if (mfp == NL80211_MFP_REQUIRED) - use_mfp = true; - else if (mfp != NL80211_MFP_NO) - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_PREV_BSSID]) - prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); - - err = nl80211_crypto_settings(rdev, info, &crypto, 1); - if (!err) - err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, - ssid, ssid_len, ie, ie_len, use_mfp, - &crypto); - - return err; -} - -static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - const u8 *ie = NULL, *bssid; - int ie_len = 0; - u16 reason_code; - bool local_state_change; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_REASON_CODE]) - return -EINVAL; - - if (!rdev->ops->deauth) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - - reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); - if (reason_code == 0) { - /* Reason Code 0 is reserved */ - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_IE]) { - ie = nla_data(info->attrs[NL80211_ATTR_IE]); - ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; - - return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, - local_state_change); -} - -static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - const u8 *ie = NULL, *bssid; - int ie_len = 0; - u16 reason_code; - bool local_state_change; - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_REASON_CODE]) - return -EINVAL; - - if (!rdev->ops->disassoc) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - - reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); - if (reason_code == 0) { - /* Reason Code 0 is reserved */ - return -EINVAL; - } - - if (info->attrs[NL80211_ATTR_IE]) { - ie = nla_data(info->attrs[NL80211_ATTR_IE]); - ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; - - return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, - local_state_change); -} - -static bool -nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, - int mcast_rate[IEEE80211_NUM_BANDS], - int rateval) -{ - struct wiphy *wiphy = &rdev->wiphy; - bool found = false; - int band, i; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - struct ieee80211_supported_band *sband; - - sband = wiphy->bands[band]; - if (!sband) - continue; - - for (i = 0; i < sband->n_bitrates; i++) { - if (sband->bitrates[i].bitrate == rateval) { - mcast_rate[band] = i + 1; - found = true; - break; - } - } - } - - return found; -} - -static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct cfg80211_ibss_params ibss; - struct wiphy *wiphy; - struct cfg80211_cached_keys *connkeys = NULL; - int err; - - memset(&ibss, 0, sizeof(ibss)); - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || - !info->attrs[NL80211_ATTR_SSID] || - !nla_len(info->attrs[NL80211_ATTR_SSID])) - return -EINVAL; - - ibss.beacon_interval = 100; - - if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { - ibss.beacon_interval = - nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); - if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) - return -EINVAL; - } - - if (!rdev->ops->join_ibss) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) - return -EOPNOTSUPP; - - wiphy = &rdev->wiphy; - - if (info->attrs[NL80211_ATTR_MAC]) { - ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (!is_valid_ether_addr(ibss.bssid)) - return -EINVAL; - } - ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); - ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); - - if (info->attrs[NL80211_ATTR_IE]) { - ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); - ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - ibss.channel = ieee80211_get_channel(wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!ibss.channel || - ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || - ibss.channel->flags & IEEE80211_CHAN_DISABLED) - return -EINVAL; - - ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; - ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; - - if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { - u8 *rates = - nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); - int n_rates = - nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); - struct ieee80211_supported_band *sband = - wiphy->bands[ibss.channel->band]; - int err; - - err = ieee80211_get_ratemask(sband, rates, n_rates, - &ibss.basic_rates); - if (err) - return err; - } - - if (info->attrs[NL80211_ATTR_MCAST_RATE] && - !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, - nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) - return -EINVAL; - - if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { - connkeys = nl80211_parse_connkeys(rdev, - info->attrs[NL80211_ATTR_KEYS]); - if (IS_ERR(connkeys)) - return PTR_ERR(connkeys); - } - - err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); - if (err) - kfree(connkeys); - return err; -} - -static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - - if (!rdev->ops->leave_ibss) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) - return -EOPNOTSUPP; - - return cfg80211_leave_ibss(rdev, dev, false); -} - -#ifdef CONFIG_NL80211_TESTMODE -static struct genl_multicast_group nl80211_testmode_mcgrp = { - .name = "testmode", -}; - -static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int err; - - if (!info->attrs[NL80211_ATTR_TESTDATA]) - return -EINVAL; - - err = -EOPNOTSUPP; - if (rdev->ops->testmode_cmd) { - rdev->testmode_info = info; - err = rdev->ops->testmode_cmd(&rdev->wiphy, - nla_data(info->attrs[NL80211_ATTR_TESTDATA]), - nla_len(info->attrs[NL80211_ATTR_TESTDATA])); - rdev->testmode_info = NULL; - } - - return err; -} - -static int nl80211_testmode_dump(struct sk_buff *skb, - struct netlink_callback *cb) -{ - struct cfg80211_registered_device *dev; - int err; - long phy_idx; - void *data = NULL; - int data_len = 0; - - if (cb->args[0]) { - /* - * 0 is a valid index, but not valid for args[0], - * so we need to offset by 1. - */ - phy_idx = cb->args[0] - 1; - } else { - err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - nl80211_fam.attrbuf, nl80211_fam.maxattr, - nl80211_policy); - if (err) - return err; - if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) - return -EINVAL; - phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); - if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) - cb->args[1] = - (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; - } - - if (cb->args[1]) { - data = nla_data((void *)cb->args[1]); - data_len = nla_len((void *)cb->args[1]); - } - - mutex_lock(&cfg80211_mutex); - dev = cfg80211_rdev_by_wiphy_idx(phy_idx); - if (!dev) { - mutex_unlock(&cfg80211_mutex); - return -ENOENT; - } - cfg80211_lock_rdev(dev); - mutex_unlock(&cfg80211_mutex); - - if (!dev->ops->testmode_dump) { - err = -EOPNOTSUPP; - goto out_err; - } - - while (1) { - void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - NL80211_CMD_TESTMODE); - struct nlattr *tmdata; - - if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) { - genlmsg_cancel(skb, hdr); - break; - } - - tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); - if (!tmdata) { - genlmsg_cancel(skb, hdr); - break; - } - err = dev->ops->testmode_dump(&dev->wiphy, skb, cb, - data, data_len); - nla_nest_end(skb, tmdata); - - if (err == -ENOBUFS || err == -ENOENT) { - genlmsg_cancel(skb, hdr); - break; - } else if (err) { - genlmsg_cancel(skb, hdr); - goto out_err; - } - - genlmsg_end(skb, hdr); - } - - err = skb->len; - /* see above */ - cb->args[0] = phy_idx + 1; - out_err: - cfg80211_unlock_rdev(dev); - return err; -} - -static struct sk_buff * -__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, - int approxlen, u32 pid, u32 seq, gfp_t gfp) -{ - struct sk_buff *skb; - void *hdr; - struct nlattr *data; - - skb = nlmsg_new(approxlen + 100, gfp); - if (!skb) - return NULL; - - hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); - if (!hdr) { - kfree_skb(skb); - return NULL; - } - - NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); - - ((void **)skb->cb)[0] = rdev; - ((void **)skb->cb)[1] = hdr; - ((void **)skb->cb)[2] = data; - - return skb; - - nla_put_failure: - kfree_skb(skb); - return NULL; -} - -struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, - int approxlen) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - if (WARN_ON(!rdev->testmode_info)) - return NULL; - - return __cfg80211_testmode_alloc_skb(rdev, approxlen, - rdev->testmode_info->snd_pid, - rdev->testmode_info->snd_seq, - GFP_KERNEL); -} -EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); - -int cfg80211_testmode_reply(struct sk_buff *skb) -{ - struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; - void *hdr = ((void **)skb->cb)[1]; - struct nlattr *data = ((void **)skb->cb)[2]; - - if (WARN_ON(!rdev->testmode_info)) { - kfree_skb(skb); - return -EINVAL; - } - - nla_nest_end(skb, data); - genlmsg_end(skb, hdr); - return genlmsg_reply(skb, rdev->testmode_info); -} -EXPORT_SYMBOL(cfg80211_testmode_reply); - -struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, - int approxlen, gfp_t gfp) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); -} -EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); - -void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) -{ - void *hdr = ((void **)skb->cb)[1]; - struct nlattr *data = ((void **)skb->cb)[2]; - - nla_nest_end(skb, data); - genlmsg_end(skb, hdr); - genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); -} -EXPORT_SYMBOL(cfg80211_testmode_event); -#endif - -static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct cfg80211_connect_params connect; - struct wiphy *wiphy; - struct cfg80211_cached_keys *connkeys = NULL; - int err; - - memset(&connect, 0, sizeof(connect)); - - if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_SSID] || - !nla_len(info->attrs[NL80211_ATTR_SSID])) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { - connect.auth_type = - nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); - if (!nl80211_valid_auth_type(connect.auth_type)) - return -EINVAL; - } else - connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; - - connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; - - err = nl80211_crypto_settings(rdev, info, &connect.crypto, - NL80211_MAX_NR_CIPHER_SUITES); - if (err) - return err; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - wiphy = &rdev->wiphy; - - if (info->attrs[NL80211_ATTR_MAC]) - connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); - connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); - - if (info->attrs[NL80211_ATTR_IE]) { - connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); - connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - } - - if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { - connect.channel = - ieee80211_get_channel(wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!connect.channel || - connect.channel->flags & IEEE80211_CHAN_DISABLED) - return -EINVAL; - } - - if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { - connkeys = nl80211_parse_connkeys(rdev, - info->attrs[NL80211_ATTR_KEYS]); - if (IS_ERR(connkeys)) - return PTR_ERR(connkeys); - } - - err = cfg80211_connect(rdev, dev, &connect, connkeys); - if (err) - kfree(connkeys); - return err; -} - -static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u16 reason; - - if (!info->attrs[NL80211_ATTR_REASON_CODE]) - reason = WLAN_REASON_DEAUTH_LEAVING; - else - reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); - - if (reason == 0) - return -EINVAL; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - return cfg80211_disconnect(rdev, dev, reason, true); -} - -static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net *net; - int err; - u32 pid; - - if (!info->attrs[NL80211_ATTR_PID]) - return -EINVAL; - - pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); - - net = get_net_ns_by_pid(pid); - if (IS_ERR(net)) - return PTR_ERR(net); - - err = 0; - - /* check if anything to do */ - if (!net_eq(wiphy_net(&rdev->wiphy), net)) - err = cfg80211_switch_netns(rdev, net); - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - put_net(net); -#endif - return err; -} - -static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_pmksa *pmksa) = NULL; - struct net_device *dev = info->user_ptr[1]; - struct cfg80211_pmksa pmksa; - - memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!info->attrs[NL80211_ATTR_PMKID]) - return -EINVAL; - - pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); - pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - switch (info->genlhdr->cmd) { - case NL80211_CMD_SET_PMKSA: - rdev_ops = rdev->ops->set_pmksa; - break; - case NL80211_CMD_DEL_PMKSA: - rdev_ops = rdev->ops->del_pmksa; - break; - default: - WARN_ON(1); - break; - } - - if (!rdev_ops) - return -EOPNOTSUPP; - - return rdev_ops(&rdev->wiphy, dev, &pmksa); -} - -static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - if (!rdev->ops->flush_pmksa) - return -EOPNOTSUPP; - - return rdev->ops->flush_pmksa(&rdev->wiphy, dev); -} - -static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u8 action_code, dialog_token; - u16 status_code; - u8 *peer; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || - !rdev->ops->tdls_mgmt) - return -EOPNOTSUPP; - - if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || - !info->attrs[NL80211_ATTR_STATUS_CODE] || - !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || - !info->attrs[NL80211_ATTR_IE] || - !info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - peer = nla_data(info->attrs[NL80211_ATTR_MAC]); - action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); - status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); - dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); - - return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code, - dialog_token, status_code, - nla_data(info->attrs[NL80211_ATTR_IE]), - nla_len(info->attrs[NL80211_ATTR_IE])); -} - -static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - enum nl80211_tdls_operation operation; - u8 *peer; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || - !rdev->ops->tdls_oper) - return -EOPNOTSUPP; - - if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || - !info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); - peer = nla_data(info->attrs[NL80211_ATTR_MAC]); - - return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation); -} - -static int nl80211_remain_on_channel(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct ieee80211_channel *chan; - struct sk_buff *msg; - void *hdr; - u64 cookie; - enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; - u32 freq, duration; - int err; - - if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || - !info->attrs[NL80211_ATTR_DURATION]) - return -EINVAL; - - duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); - - /* - * We should be on that channel for at least one jiffie, - * and more than 5 seconds seems excessive. - */ - if (!duration || !msecs_to_jiffies(duration) || - duration > rdev->wiphy.max_remain_on_channel_duration) - return -EINVAL; - - if (!rdev->ops->remain_on_channel) - return -EOPNOTSUPP; - - if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { - channel_type = nla_get_u32( - info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); - if (channel_type != NL80211_CHAN_NO_HT && - channel_type != NL80211_CHAN_HT20 && - channel_type != NL80211_CHAN_HT40PLUS && - channel_type != NL80211_CHAN_HT40MINUS) - return -EINVAL; - } - - freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); - chan = rdev_freq_to_chan(rdev, freq, channel_type); - if (chan == NULL) - return -EINVAL; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_REMAIN_ON_CHANNEL); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); - goto free_msg; - } - - err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, - channel_type, duration, &cookie); - - if (err) - goto free_msg; - - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - - genlmsg_end(msg, hdr); - - return genlmsg_reply(msg, info); - - nla_put_failure: - err = -ENOBUFS; - free_msg: - nlmsg_free(msg); - return err; -} - -static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u64 cookie; - - if (!info->attrs[NL80211_ATTR_COOKIE]) - return -EINVAL; - - if (!rdev->ops->cancel_remain_on_channel) - return -EOPNOTSUPP; - - cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); - - return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); -} - -static u32 rateset_to_mask(struct ieee80211_supported_band *sband, - u8 *rates, u8 rates_len) -{ - u8 i; - u32 mask = 0; - - for (i = 0; i < rates_len; i++) { - int rate = (rates[i] & 0x7f) * 5; - int ridx; - for (ridx = 0; ridx < sband->n_bitrates; ridx++) { - struct ieee80211_rate *srate = - &sband->bitrates[ridx]; - if (rate == srate->bitrate) { - mask |= 1 << ridx; - break; - } - } - if (ridx == sband->n_bitrates) - return 0; /* rate not found */ - } - - return mask; -} - -static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { - [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, - .len = NL80211_MAX_SUPP_RATES }, -}; - -static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, - struct genl_info *info) -{ - struct nlattr *tb[NL80211_TXRATE_MAX + 1]; - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct cfg80211_bitrate_mask mask; - int rem, i; - struct net_device *dev = info->user_ptr[1]; - struct nlattr *tx_rates; - struct ieee80211_supported_band *sband; - - if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) - return -EINVAL; - - if (!rdev->ops->set_bitrate_mask) - return -EOPNOTSUPP; - - memset(&mask, 0, sizeof(mask)); - /* Default to all rates enabled */ - for (i = 0; i < IEEE80211_NUM_BANDS; i++) { - sband = rdev->wiphy.bands[i]; - mask.control[i].legacy = - sband ? (1 << sband->n_bitrates) - 1 : 0; - } - - /* - * The nested attribute uses enum nl80211_band as the index. This maps - * directly to the enum ieee80211_band values used in cfg80211. - */ - nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) - { - enum ieee80211_band band = nla_type(tx_rates); - if (band < 0 || band >= IEEE80211_NUM_BANDS) - return -EINVAL; - sband = rdev->wiphy.bands[band]; - if (sband == NULL) - return -EINVAL; - nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), - nla_len(tx_rates), nl80211_txattr_policy); - if (tb[NL80211_TXRATE_LEGACY]) { - mask.control[band].legacy = rateset_to_mask( - sband, - nla_data(tb[NL80211_TXRATE_LEGACY]), - nla_len(tb[NL80211_TXRATE_LEGACY])); - if (mask.control[band].legacy == 0) - return -EINVAL; - } - } - - return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); -} - -static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; - - if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) - return -EINVAL; - - if (info->attrs[NL80211_ATTR_FRAME_TYPE]) - frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - /* not much point in registering if we can't reply */ - if (!rdev->ops->mgmt_tx) - return -EOPNOTSUPP; - - return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, - frame_type, - nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), - nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); -} - -static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct ieee80211_channel *chan; - enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; - bool channel_type_valid = false; - u32 freq; - int err; - void *hdr = NULL; - u64 cookie; - struct sk_buff *msg = NULL; - unsigned int wait = 0; - bool offchan, no_cck, dont_wait_for_ack; - - dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; - - if (!info->attrs[NL80211_ATTR_FRAME] || - !info->attrs[NL80211_ATTR_WIPHY_FREQ]) - return -EINVAL; - - if (!rdev->ops->mgmt_tx) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - if (info->attrs[NL80211_ATTR_DURATION]) { - if (!rdev->ops->mgmt_tx_cancel_wait) - return -EINVAL; - wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); - } - - if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { - channel_type = nla_get_u32( - info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); - if (channel_type != NL80211_CHAN_NO_HT && - channel_type != NL80211_CHAN_HT20 && - channel_type != NL80211_CHAN_HT40PLUS && - channel_type != NL80211_CHAN_HT40MINUS) - return -EINVAL; - channel_type_valid = true; - } - - offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; - - no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); - - freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); - chan = rdev_freq_to_chan(rdev, freq, channel_type); - if (chan == NULL) - return -EINVAL; - - if (!dont_wait_for_ack) { - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_FRAME); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); - goto free_msg; - } - } - - err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, - channel_type_valid, wait, - nla_data(info->attrs[NL80211_ATTR_FRAME]), - nla_len(info->attrs[NL80211_ATTR_FRAME]), - no_cck, dont_wait_for_ack, &cookie); - if (err) - goto free_msg; - - if (msg) { - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - - genlmsg_end(msg, hdr); - return genlmsg_reply(msg, info); - } - - return 0; - - nla_put_failure: - err = -ENOBUFS; - free_msg: - nlmsg_free(msg); - return err; -} - -static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - u64 cookie; - - if (!info->attrs[NL80211_ATTR_COOKIE]) - return -EINVAL; - - if (!rdev->ops->mgmt_tx_cancel_wait) - return -EOPNOTSUPP; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); - - return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); -} - -static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct wireless_dev *wdev; - struct net_device *dev = info->user_ptr[1]; - u8 ps_state; - bool state; - int err; - - if (!info->attrs[NL80211_ATTR_PS_STATE]) - return -EINVAL; - - ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); - - if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) - return -EINVAL; - - wdev = dev->ieee80211_ptr; - - if (!rdev->ops->set_power_mgmt) - return -EOPNOTSUPP; - - state = (ps_state == NL80211_PS_ENABLED) ? true : false; - - if (state == wdev->ps) - return 0; - - err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, - wdev->ps_timeout); - if (!err) - wdev->ps = state; - return err; -} - -static int nl80211_priv_cmd(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct wireless_dev *wdev; - struct net_device *dev = info->user_ptr[1]; - int err; - - if (!info->attrs[NL80211_ATTR_PRIV_CMD]) - return -EINVAL; - - wdev = dev->ieee80211_ptr; - - if (!rdev->ops->priv_cmd) - return -EOPNOTSUPP; - - err = rdev->ops->priv_cmd(wdev->wiphy, dev, - nla_data(info->attrs[NL80211_ATTR_PRIV_CMD])); - - return err; -} - -static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - enum nl80211_ps_state ps_state; - struct wireless_dev *wdev; - struct net_device *dev = info->user_ptr[1]; - struct sk_buff *msg; - void *hdr; - int err; - - wdev = dev->ieee80211_ptr; - - if (!rdev->ops->set_power_mgmt) - return -EOPNOTSUPP; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_GET_POWER_SAVE); - if (!hdr) { - err = -ENOBUFS; - goto free_msg; - } - - if (wdev->ps) - ps_state = NL80211_PS_ENABLED; - else - ps_state = NL80211_PS_DISABLED; - - NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); - - genlmsg_end(msg, hdr); - return genlmsg_reply(msg, info); - - nla_put_failure: - err = -ENOBUFS; - free_msg: - nlmsg_free(msg); - return err; -} - -static struct nla_policy -nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { - [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, - [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, - [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, -}; - -static int nl80211_set_cqm_rssi(struct genl_info *info, - s32 threshold, u32 hysteresis) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct wireless_dev *wdev; - struct net_device *dev = info->user_ptr[1]; - - if (threshold > 0) - return -EINVAL; - - wdev = dev->ieee80211_ptr; - - if (!rdev->ops->set_cqm_rssi_config) - return -EOPNOTSUPP; - - if (wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) - return -EOPNOTSUPP; - - return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, - threshold, hysteresis); -} - -static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) -{ - struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; - struct nlattr *cqm; - int err; - - cqm = info->attrs[NL80211_ATTR_CQM]; - if (!cqm) { - err = -EINVAL; - goto out; - } - - err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, - nl80211_attr_cqm_policy); - if (err) - goto out; - - if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && - attrs[NL80211_ATTR_CQM_RSSI_HYST]) { - s32 threshold; - u32 hysteresis; - threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); - hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); - err = nl80211_set_cqm_rssi(info, threshold, hysteresis); - } else - err = -EINVAL; - -out: - return err; -} - -static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct mesh_config cfg; - struct mesh_setup setup; - int err; - - /* start with default */ - memcpy(&cfg, &default_mesh_config, sizeof(cfg)); - memcpy(&setup, &default_mesh_setup, sizeof(setup)); - - if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { - /* and parse parameters if given */ - err = nl80211_parse_mesh_config(info, &cfg, NULL); - if (err) - return err; - } - - if (!info->attrs[NL80211_ATTR_MESH_ID] || - !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) - return -EINVAL; - - setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); - setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); - - if (info->attrs[NL80211_ATTR_MESH_SETUP]) { - /* parse additional setup parameters if given */ - err = nl80211_parse_mesh_setup(info, &setup); - if (err) - return err; - } - - return cfg80211_join_mesh(rdev, dev, &setup, &cfg); -} - -static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - - return cfg80211_leave_mesh(rdev, dev); -} - -static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct sk_buff *msg; - void *hdr; - - if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) - return -EOPNOTSUPP; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_GET_WOWLAN); - if (!hdr) - goto nla_put_failure; - - if (rdev->wowlan) { - struct nlattr *nl_wowlan; - - nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); - if (!nl_wowlan) - goto nla_put_failure; - - if (rdev->wowlan->any) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); - if (rdev->wowlan->disconnect) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); - if (rdev->wowlan->magic_pkt) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); - if (rdev->wowlan->gtk_rekey_failure) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); - if (rdev->wowlan->eap_identity_req) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); - if (rdev->wowlan->four_way_handshake) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); - if (rdev->wowlan->rfkill_release) - NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); - if (rdev->wowlan->n_patterns) { - struct nlattr *nl_pats, *nl_pat; - int i, pat_len; - - nl_pats = nla_nest_start(msg, - NL80211_WOWLAN_TRIG_PKT_PATTERN); - if (!nl_pats) - goto nla_put_failure; - - for (i = 0; i < rdev->wowlan->n_patterns; i++) { - nl_pat = nla_nest_start(msg, i + 1); - if (!nl_pat) - goto nla_put_failure; - pat_len = rdev->wowlan->patterns[i].pattern_len; - NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, - DIV_ROUND_UP(pat_len, 8), - rdev->wowlan->patterns[i].mask); - NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, - pat_len, - rdev->wowlan->patterns[i].pattern); - nla_nest_end(msg, nl_pat); - } - nla_nest_end(msg, nl_pats); - } - - nla_nest_end(msg, nl_wowlan); - } - - genlmsg_end(msg, hdr); - return genlmsg_reply(msg, info); - -nla_put_failure: - nlmsg_free(msg); - return -ENOBUFS; -} - -static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; - struct cfg80211_wowlan no_triggers = {}; - struct cfg80211_wowlan new_triggers = {}; - struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; - int err, i; - - if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) - return -EOPNOTSUPP; - - if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) - goto no_triggers; - - err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, - nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), - nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), - nl80211_wowlan_policy); - if (err) - return err; - - if (tb[NL80211_WOWLAN_TRIG_ANY]) { - if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) - return -EINVAL; - new_triggers.any = true; - } - - if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { - if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) - return -EINVAL; - new_triggers.disconnect = true; - } - - if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { - if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) - return -EINVAL; - new_triggers.magic_pkt = true; - } - - if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) - return -EINVAL; - - if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { - if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) - return -EINVAL; - new_triggers.gtk_rekey_failure = true; - } - - if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { - if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) - return -EINVAL; - new_triggers.eap_identity_req = true; - } - - if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { - if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) - return -EINVAL; - new_triggers.four_way_handshake = true; - } - - if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { - if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) - return -EINVAL; - new_triggers.rfkill_release = true; - } - - if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { - struct nlattr *pat; - int n_patterns = 0; - int rem, pat_len, mask_len; - struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; - - nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], - rem) - n_patterns++; - if (n_patterns > wowlan->n_patterns) - return -EINVAL; - - new_triggers.patterns = kcalloc(n_patterns, - sizeof(new_triggers.patterns[0]), - GFP_KERNEL); - if (!new_triggers.patterns) - return -ENOMEM; - - new_triggers.n_patterns = n_patterns; - i = 0; - - nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], - rem) { - nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, - nla_data(pat), nla_len(pat), NULL); - err = -EINVAL; - if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || - !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) - goto error; - pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); - mask_len = DIV_ROUND_UP(pat_len, 8); - if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != - mask_len) - goto error; - if (pat_len > wowlan->pattern_max_len || - pat_len < wowlan->pattern_min_len) - goto error; - - new_triggers.patterns[i].mask = - kmalloc(mask_len + pat_len, GFP_KERNEL); - if (!new_triggers.patterns[i].mask) { - err = -ENOMEM; - goto error; - } - new_triggers.patterns[i].pattern = - new_triggers.patterns[i].mask + mask_len; - memcpy(new_triggers.patterns[i].mask, - nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), - mask_len); - new_triggers.patterns[i].pattern_len = pat_len; - memcpy(new_triggers.patterns[i].pattern, - nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), - pat_len); - i++; - } - } - - if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { - struct cfg80211_wowlan *ntrig; - ntrig = kmemdup(&new_triggers, sizeof(new_triggers), - GFP_KERNEL); - if (!ntrig) { - err = -ENOMEM; - goto error; - } - cfg80211_rdev_free_wowlan(rdev); - rdev->wowlan = ntrig; - } else { - no_triggers: - cfg80211_rdev_free_wowlan(rdev); - rdev->wowlan = NULL; - } - - return 0; - error: - for (i = 0; i < new_triggers.n_patterns; i++) - kfree(new_triggers.patterns[i].mask); - kfree(new_triggers.patterns); - return err; -} - -static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct nlattr *tb[NUM_NL80211_REKEY_DATA]; - struct cfg80211_gtk_rekey_data rekey_data; - int err; - - if (!info->attrs[NL80211_ATTR_REKEY_DATA]) - return -EINVAL; - - err = nla_parse(tb, MAX_NL80211_REKEY_DATA, - nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), - nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), - nl80211_rekey_policy); - if (err) - return err; - - if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) - return -ERANGE; - if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) - return -ERANGE; - if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) - return -ERANGE; - - memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), - NL80211_KEK_LEN); - memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), - NL80211_KCK_LEN); - memcpy(rekey_data.replay_ctr, - nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), - NL80211_REPLAY_CTR_LEN); - - wdev_lock(wdev); - if (!wdev->current_bss) { - err = -ENOTCONN; - goto out; - } - - if (!rdev->ops->set_rekey_data) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data); - out: - wdev_unlock(wdev); - return err; -} - -static int nl80211_register_unexpected_frame(struct sk_buff *skb, - struct genl_info *info) -{ - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (wdev->iftype != NL80211_IFTYPE_AP && - wdev->iftype != NL80211_IFTYPE_P2P_GO) - return -EINVAL; - - if (wdev->ap_unexpected_nlpid) - return -EBUSY; - - wdev->ap_unexpected_nlpid = info->snd_pid; - return 0; -} - -static int nl80211_probe_client(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct sk_buff *msg; - void *hdr; - const u8 *addr; - u64 cookie; - int err; - - if (wdev->iftype != NL80211_IFTYPE_AP && - wdev->iftype != NL80211_IFTYPE_P2P_GO) - return -EOPNOTSUPP; - - if (!info->attrs[NL80211_ATTR_MAC]) - return -EINVAL; - - if (!rdev->ops->probe_client) - return -EOPNOTSUPP; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_PROBE_CLIENT); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); - goto free_msg; - } - - addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - - err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie); - if (err) - goto free_msg; - - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - - genlmsg_end(msg, hdr); - - return genlmsg_reply(msg, info); - - nla_put_failure: - err = -ENOBUFS; - free_msg: - nlmsg_free(msg); - return err; -} - -static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) -{ - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - - if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) - return -EOPNOTSUPP; - - if (rdev->ap_beacons_nlpid) - return -EBUSY; - - rdev->ap_beacons_nlpid = info->snd_pid; - - return 0; -} - -static int nl80211_btcoex_notify_inq(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - bool scan_status; - - if (!dev) - return -ENODEV; - - scan_status = !!info->attrs[NL80211_ATTR_BTCOEX_INQ_STATUS]; - - if (!dev->ops->notify_btcoex_inq_status) - return -EOPNOTSUPP; - - return dev->ops->notify_btcoex_inq_status(&dev->wiphy, scan_status); -} - -static int nl80211_btcoex_notify_sco(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - int tx_interval = 0; - int tx_pkt_len = 0; - bool sco_status; - bool esco; - - if (!dev) - return -ENODEV; - - sco_status = !!info->attrs[NL80211_ATTR_BTCOEX_SCO_STATUS]; - esco = !!info->attrs[NL80211_ATTR_BTCOEX_TYPE_ESCO]; - - if (esco) { - if (info->attrs[NL80211_ATTR_BTCOEX_ESCO_TX_INTERVAL]) - tx_interval = nla_get_u32(info->attrs - [NL80211_ATTR_BTCOEX_ESCO_TX_INTERVAL]); - - if (info->attrs[NL80211_ATTR_BTCOEX_ESCO_TX_PKT_LEN]) - tx_pkt_len = nla_get_u32(info->attrs - [NL80211_ATTR_BTCOEX_ESCO_TX_PKT_LEN]); - } - if (!dev->ops->notify_btcoex_sco_status) - return -EOPNOTSUPP; - - return dev->ops->notify_btcoex_sco_status(&dev->wiphy, sco_status, - esco, tx_interval, - tx_pkt_len); -} - -static int nl80211_btcoex_notify_a2dp(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - bool a2dp_status; - - if (!dev) - return -ENODEV; - - a2dp_status = !!info->attrs[NL80211_ATTR_BTCOEX_A2DP_STATUS]; - - if (!dev->ops->notify_btcoex_a2dp_status) - return -EOPNOTSUPP; - - return dev->ops->notify_btcoex_a2dp_status(&dev->wiphy, a2dp_status); -} - -static int nl80211_btcoex_notify_acl_info(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - enum nl80211_btcoex_acl_role role = NL80211_BTCOEX_ACL_ROLE_UNKNOWN; - u32 remote_lmp_ver = 0; - - if (!dev) - return -ENODEV; - - if (info->attrs[NL80211_ATTR_BTCOEX_ACL_ROLE]) - role = nla_get_u32(info->attrs[NL80211_ATTR_BTCOEX_ACL_ROLE]); - - if (info->attrs[NL80211_ATTR_BTCOEX_REMOTE_LMP_VER]) - remote_lmp_ver = nla_get_u32(info->attrs - [NL80211_ATTR_BTCOEX_REMOTE_LMP_VER]); - - if (!dev->ops->notify_btcoex_acl_info) - return -EOPNOTSUPP; - - return dev->ops->notify_btcoex_acl_info(&dev->wiphy, role, - remote_lmp_ver); -} -static int nl80211_btcoex_notify_antenna_config(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - enum nl80211_btcoex_antenna_config config = NL80211_BTCOEX_ANTENNA_DA; - - if (!dev) - return -ENODEV; - - if (!info->attrs[NL80211_ATTR_BTCOEX_ANTENNA_CONFIG]) - return -EINVAL; - - config = nla_get_u32(info->attrs[NL80211_ATTR_BTCOEX_ANTENNA_CONFIG]); - - if (!dev->ops->notify_btcoex_antenna_config) - return -EOPNOTSUPP; - - return dev->ops->notify_btcoex_antenna_config(&dev->wiphy, config); -} - -static int nl80211_btcoex_notify(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - u8 *buf; - int len; - - if (!dev) - return -ENODEV; - - if (!info->attrs[NL80211_ATTR_BTCOEX_DATA]) - return -EINVAL; - - if (!dev->ops->notify_btcoex) - return -EOPNOTSUPP; - - buf = (char *)nla_data(info->attrs[NL80211_ATTR_BTCOEX_DATA]); - len = nla_len(info->attrs[NL80211_ATTR_BTCOEX_DATA]); - - return dev->ops->notify_btcoex(&dev->wiphy, buf, len); -} - -static int nl80211_p2p_flush_notify(struct sk_buff *skb, - struct genl_info *info) -{ - - struct cfg80211_registered_device *dev = info->user_ptr[0]; - printk("%s() enter steven\n", __func__); - - if (!dev) - return -ENODEV; - - if (!dev->ops->notify_p2p_flush) - return -EOPNOTSUPP; - - return dev->ops->notify_p2p_flush(&dev->wiphy); -} - -static int nl80211_btcoex_notify_bt_vendor(struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *dev = info->user_ptr[0]; - enum nl80211_btcoex_antenna_config config = - NL80211_BTCOEX_VENDOR_DEFAULT; - - if (!dev) - return -ENODEV; - - if (!info->attrs[NL80211_ATTR_BT_VENDOR_ID]) - return -EINVAL; - - config = nla_get_u32(info->attrs[NL80211_ATTR_BT_VENDOR_ID]); - - if (!dev->ops->notify_btcoex_bt_vendor) - return -EOPNOTSUPP; - - return dev->ops->notify_btcoex_bt_vendor(&dev->wiphy, config); -} -#define NL80211_FLAG_NEED_WIPHY 0x01 -#define NL80211_FLAG_NEED_NETDEV 0x02 -#define NL80211_FLAG_NEED_RTNL 0x04 -#define NL80211_FLAG_CHECK_NETDEV_UP 0x08 -#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ - NL80211_FLAG_CHECK_NETDEV_UP) - -static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, - struct genl_info *info) -{ - struct cfg80211_registered_device *rdev; - struct net_device *dev; - int err; - bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; - - if (rtnl) - rtnl_lock(); - - if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { - rdev = cfg80211_get_dev_from_info(info); - if (IS_ERR(rdev)) { - if (rtnl) - rtnl_unlock(); - return PTR_ERR(rdev); - } - info->user_ptr[0] = rdev; - } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) { - if (rtnl) - rtnl_unlock(); - return err; - } - if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && - !netif_running(dev)) { - cfg80211_unlock_rdev(rdev); - dev_put(dev); - if (rtnl) - rtnl_unlock(); - return -ENETDOWN; - } - info->user_ptr[0] = rdev; - info->user_ptr[1] = dev; - } - - return 0; -} - -static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, - struct genl_info *info) -{ - if (info->user_ptr[0]) - cfg80211_unlock_rdev(info->user_ptr[0]); - if (info->user_ptr[1]) - dev_put(info->user_ptr[1]); - if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) - rtnl_unlock(); -} - -static struct genl_ops nl80211_ops[] = { - { - .cmd = NL80211_CMD_GET_WIPHY, - .doit = nl80211_get_wiphy, - .dumpit = nl80211_dump_wiphy, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_WIPHY, - }, - { - .cmd = NL80211_CMD_SET_WIPHY, - .doit = nl80211_set_wiphy, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_INTERFACE, - .doit = nl80211_get_interface, - .dumpit = nl80211_dump_interface, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_NETDEV, - }, - { - .cmd = NL80211_CMD_SET_INTERFACE, - .doit = nl80211_set_interface, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_NEW_INTERFACE, - .doit = nl80211_new_interface, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_WIPHY | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEL_INTERFACE, - .doit = nl80211_del_interface, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_KEY, - .doit = nl80211_get_key, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_KEY, - .doit = nl80211_set_key, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_NEW_KEY, - .doit = nl80211_new_key, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEL_KEY, - .doit = nl80211_del_key, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_BEACON, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .doit = nl80211_addset_beacon, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_NEW_BEACON, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .doit = nl80211_addset_beacon, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEL_BEACON, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .doit = nl80211_del_beacon, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_STATION, - .doit = nl80211_get_station, - .dumpit = nl80211_dump_station, - .policy = nl80211_policy, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_STATION, - .doit = nl80211_set_station, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_NEW_STATION, - .doit = nl80211_new_station, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEL_STATION, - .doit = nl80211_del_station, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_MPATH, - .doit = nl80211_get_mpath, - .dumpit = nl80211_dump_mpath, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_MPATH, - .doit = nl80211_set_mpath, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_NEW_MPATH, - .doit = nl80211_new_mpath, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEL_MPATH, - .doit = nl80211_del_mpath, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_BSS, - .doit = nl80211_set_bss, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_REG, - .doit = nl80211_get_reg, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - }, - { - .cmd = NL80211_CMD_SET_REG, - .doit = nl80211_set_reg, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = NL80211_CMD_REQ_SET_REG, - .doit = nl80211_req_set_reg, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = NL80211_CMD_GET_MESH_CONFIG, - .doit = nl80211_get_mesh_config, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_MESH_CONFIG, - .doit = nl80211_update_mesh_config, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_TRIGGER_SCAN, - .doit = nl80211_trigger_scan, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_SCAN, - .policy = nl80211_policy, - .dumpit = nl80211_dump_scan, - }, - { - .cmd = NL80211_CMD_START_SCHED_SCAN, - .doit = nl80211_start_sched_scan, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_STOP_SCHED_SCAN, - .doit = nl80211_stop_sched_scan, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_AUTHENTICATE, - .doit = nl80211_authenticate, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_ASSOCIATE, - .doit = nl80211_associate, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEAUTHENTICATE, - .doit = nl80211_deauthenticate, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DISASSOCIATE, - .doit = nl80211_disassociate, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_JOIN_IBSS, - .doit = nl80211_join_ibss, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_LEAVE_IBSS, - .doit = nl80211_leave_ibss, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, -#ifdef CONFIG_NL80211_TESTMODE - { - .cmd = NL80211_CMD_TESTMODE, - .doit = nl80211_testmode_do, - .dumpit = nl80211_testmode_dump, - .policy = nl80211_policy, -#ifdef CONFIG_MACH_PX -#else - .flags = GENL_ADMIN_PERM, -#endif - .internal_flags = NL80211_FLAG_NEED_WIPHY | - NL80211_FLAG_NEED_RTNL, - }, -#endif - { - .cmd = NL80211_CMD_CONNECT, - .doit = nl80211_connect, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DISCONNECT, - .doit = nl80211_disconnect, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_WIPHY_NETNS, - .doit = nl80211_wiphy_netns, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_WIPHY | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_SURVEY, - .policy = nl80211_policy, - .dumpit = nl80211_dump_survey, - }, - { - .cmd = NL80211_CMD_SET_PMKSA, - .doit = nl80211_setdel_pmksa, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_DEL_PMKSA, - .doit = nl80211_setdel_pmksa, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_FLUSH_PMKSA, - .doit = nl80211_flush_pmksa, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, - .doit = nl80211_remain_on_channel, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, - .doit = nl80211_cancel_remain_on_channel, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, - .doit = nl80211_set_tx_bitrate_mask, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_REGISTER_FRAME, - .doit = nl80211_register_mgmt, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_FRAME, - .doit = nl80211_tx_mgmt, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, - .doit = nl80211_tx_mgmt_cancel_wait, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_POWER_SAVE, - .doit = nl80211_set_power_save, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_POWER_SAVE, - .doit = nl80211_get_power_save, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_CQM, - .doit = nl80211_set_cqm, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_CHANNEL, - .doit = nl80211_set_channel, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_WDS_PEER, - .doit = nl80211_set_wds_peer, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_JOIN_MESH, - .doit = nl80211_join_mesh, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_LEAVE_MESH, - .doit = nl80211_leave_mesh, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_GET_WOWLAN, - .doit = nl80211_get_wowlan, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_WIPHY | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_WOWLAN, - .doit = nl80211_set_wowlan, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_WIPHY | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, - .doit = nl80211_set_rekey_data, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_TDLS_MGMT, - .doit = nl80211_tdls_mgmt, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_TDLS_OPER, - .doit = nl80211_tdls_oper, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_UNEXPECTED_FRAME, - .doit = nl80211_register_unexpected_frame, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_PROBE_CLIENT, - .doit = nl80211_probe_client, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_REGISTER_BEACONS, - .doit = nl80211_register_beacons, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_WIPHY | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX_INQ, - .doit = nl80211_btcoex_notify_inq, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX_SCO, - .doit = nl80211_btcoex_notify_sco, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX_A2DP, - .doit = nl80211_btcoex_notify_a2dp, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX_ACL_INFO, - .doit = nl80211_btcoex_notify_acl_info, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX_ANTENNA_CONFIG, - .doit = nl80211_btcoex_notify_antenna_config, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX_BT_VENDOR, - .doit = nl80211_btcoex_notify_bt_vendor, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_BTCOEX, - .doit = nl80211_btcoex_notify, - .policy = nl80211_policy, - /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_PRIV, - .doit = nl80211_priv_cmd, - .policy = nl80211_policy, - .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, - { - .cmd = NL80211_CMD_P2P_FLUSH, - .doit = nl80211_p2p_flush_notify, - .policy = nl80211_policy, - .internal_flags = NL80211_FLAG_NEED_NETDEV | - NL80211_FLAG_NEED_RTNL, - }, -}; - -static struct genl_multicast_group nl80211_mlme_mcgrp = { - .name = "mlme", -}; - -/* multicast groups */ -static struct genl_multicast_group nl80211_config_mcgrp = { - .name = "config", -}; -static struct genl_multicast_group nl80211_scan_mcgrp = { - .name = "scan", -}; -static struct genl_multicast_group nl80211_regulatory_mcgrp = { - .name = "regulatory", -}; - -/* notification functions */ - -void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_config_mcgrp.id, GFP_KERNEL); -} - -static int nl80211_add_scan_req(struct sk_buff *msg, - struct cfg80211_registered_device *rdev) -{ - struct cfg80211_scan_request *req = rdev->scan_req; - struct nlattr *nest; - int i; - - ASSERT_RDEV_LOCK(rdev); - - if (WARN_ON(!req)) - return 0; - - nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); - if (!nest) - goto nla_put_failure; - for (i = 0; i < req->n_ssids; i++) - NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); - nla_nest_end(msg, nest); - - nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); - if (!nest) - goto nla_put_failure; - for (i = 0; i < req->n_channels; i++) - NLA_PUT_U32(msg, i, req->channels[i]->center_freq); - nla_nest_end(msg, nest); - - if (req->ie) - NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); - - return 0; - nla_put_failure: - return -ENOBUFS; -} - -static int nl80211_send_scan_msg(struct sk_buff *msg, - struct cfg80211_registered_device *rdev, - struct net_device *netdev, - u32 pid, u32 seq, int flags, - u32 cmd) -{ - void *hdr; - - hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); - if (!hdr) - return -1; - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - - /* ignore errors and send incomplete event anyway */ - nl80211_add_scan_req(msg, rdev); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static int -nl80211_send_sched_scan_msg(struct sk_buff *msg, - struct cfg80211_registered_device *rdev, - struct net_device *netdev, - u32 pid, u32 seq, int flags, u32 cmd) -{ - void *hdr; - - hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); - if (!hdr) - return -1; - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - - return genlmsg_end(msg, hdr); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, - struct net_device *netdev) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, - NL80211_CMD_TRIGGER_SCAN) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); -} - -void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct net_device *netdev) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, - NL80211_CMD_NEW_SCAN_RESULTS) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); -} - -void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct net_device *netdev) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, - NL80211_CMD_SCAN_ABORTED) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); -} - -void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, - struct net_device *netdev) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, - NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); -} - -void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 cmd) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); -} - -/* - * This can happen on global regulatory changes or device specific settings - * based on custom world regulatory domains. - */ -void nl80211_send_reg_change_event(struct regulatory_request *request) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); - if (!hdr) { - nlmsg_free(msg); - return; - } - - /* Userspace can always count this one always being set */ - NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); - - if (request->alpha2[0] == '0' && request->alpha2[1] == '0') - NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, - NL80211_REGDOM_TYPE_WORLD); - else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') - NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, - NL80211_REGDOM_TYPE_CUSTOM_WORLD); - else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || - request->intersect) - NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, - NL80211_REGDOM_TYPE_INTERSECTION); - else { - NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, - NL80211_REGDOM_TYPE_COUNTRY); - NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); - } - - if (wiphy_idx_valid(request->wiphy_idx)) - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); - - genlmsg_end(msg, hdr); - - rcu_read_lock(); - genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, - GFP_ATOMIC); - rcu_read_unlock(); - - return; - -nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, - enum nl80211_commands cmd, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) -{ - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_AUTHENTICATE, gfp); -} - -void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) -{ - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_ASSOCIATE, gfp); -} - -void nl80211_send_deauth(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) -{ - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DEAUTHENTICATE, gfp); -} - -void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) -{ - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DISASSOCIATE, gfp); -} - -void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) -{ - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); -} - -void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) -{ - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_UNPROT_DISASSOCIATE, gfp); -} - -static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, - struct net_device *netdev, int cmd, - const u8 *addr, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *addr, - gfp_t gfp) -{ - nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, - addr, gfp); -} - -void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *addr, - gfp_t gfp) -{ - nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, - addr, gfp); -} - -void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, - u16 status, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - if (bssid) - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); - NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); - if (req_ie) - NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); - if (resp_ie) - NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); - -} - -void nl80211_send_roamed(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); - if (req_ie) - NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); - if (resp_ie) - NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); - -} - -void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u16 reason, - const u8 *ie, size_t ie_len, bool from_ap) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - if (from_ap && reason) - NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); - if (from_ap) - NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); - if (ie) - NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, GFP_KERNEL); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); - -} - -void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *macaddr, const u8* ie, u8 ie_len, - gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); - if (ie_len && ie) - NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *addr, - enum nl80211_key_type key_type, int key_id, - const u8 *tsc, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - if (addr) - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); - NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); - if (key_id != -1) - NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); - if (tsc) - NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_send_beacon_hint_event(struct wiphy *wiphy, - struct ieee80211_channel *channel_before, - struct ieee80211_channel *channel_after) -{ - struct sk_buff *msg; - void *hdr; - struct nlattr *nl_freq; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); - if (!hdr) { - nlmsg_free(msg); - return; - } - - /* - * Since we are applying the beacon hint to a wiphy we know its - * wiphy_idx is valid - */ - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); - - /* Before */ - nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); - if (!nl_freq) - goto nla_put_failure; - if (nl80211_msg_put_channel(msg, channel_before)) - goto nla_put_failure; - nla_nest_end(msg, nl_freq); - - /* After */ - nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); - if (!nl_freq) - goto nla_put_failure; - if (nl80211_msg_put_channel(msg, channel_after)) - goto nla_put_failure; - nla_nest_end(msg, nl_freq); - - genlmsg_end(msg, hdr); - - rcu_read_lock(); - genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, - GFP_ATOMIC); - rcu_read_unlock(); - - return; - -nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -static void nl80211_send_remain_on_chan_event( - int cmd, struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - - if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) - NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, gfp_t gfp) -{ - nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, - rdev, netdev, cookie, chan, - channel_type, duration, gfp); -} - -void nl80211_send_remain_on_channel_cancel( - struct cfg80211_registered_device *rdev, struct net_device *netdev, - u64 cookie, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, gfp_t gfp) -{ - nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, - rdev, netdev, cookie, chan, - channel_type, 0, gfp); -} - -void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *mac_addr, - struct station_info *sinfo, gfp_t gfp) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); -} - -void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *mac_addr, - gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, - const u8 *addr, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct sk_buff *msg; - void *hdr; - int err; - u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); - - if (!nlpid) - return false; - - msg = nlmsg_new(100, gfp); - if (!msg) - return true; - - hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); - if (!hdr) { - nlmsg_free(msg); - return true; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); - - err = genlmsg_end(msg, hdr); - if (err < 0) { - nlmsg_free(msg); - return true; - } - - genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); - return true; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); - return true; -} - -bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp) -{ - return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, - addr, gfp); -} - -bool nl80211_unexpected_4addr_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp) -{ - return __nl80211_unexpected_frame(dev, - NL80211_CMD_UNEXPECTED_4ADDR_FRAME, - addr, gfp); -} - -int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 nlpid, - int freq, const u8 *buf, size_t len, gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return -ENOMEM; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); - if (!hdr) { - nlmsg_free(msg); - return -ENOMEM; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); - NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); - - genlmsg_end(msg, hdr); - - return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); - return -ENOBUFS; -} - -void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, - const u8 *buf, size_t len, bool ack, - gfp_t gfp) -{ - struct sk_buff *msg; - void *hdr; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - if (ack) - NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); - - genlmsg_end(msg, hdr); - - genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void -nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - enum nl80211_cqm_rssi_threshold_event rssi_event, - gfp_t gfp) -{ - struct sk_buff *msg; - struct nlattr *pinfoattr; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - - pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); - if (!pinfoattr) - goto nla_put_failure; - - NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, - rssi_event); - - nla_nest_end(msg, pinfoattr); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - const u8 *replay_ctr, gfp_t gfp) -{ - struct sk_buff *msg; - struct nlattr *rekey_attr; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); - - rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); - if (!rekey_attr) - goto nla_put_failure; - - NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, - NL80211_REPLAY_CTR_LEN, replay_ctr); - - nla_nest_end(msg, rekey_attr); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, int index, - const u8 *bssid, bool preauth, gfp_t gfp) -{ - struct sk_buff *msg; - struct nlattr *attr; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - - attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); - if (!attr) - goto nla_put_failure; - - NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index); - NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid); - if (preauth) - NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH); - - nla_nest_end(msg, attr); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void -nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *peer, - u32 num_packets, gfp_t gfp) -{ - struct sk_buff *msg; - struct nlattr *pinfoattr; - void *hdr; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); - - pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); - if (!pinfoattr) - goto nla_put_failure; - - NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); - - nla_nest_end(msg, pinfoattr); - - genlmsg_end(msg, hdr); - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} - -void cfg80211_probe_status(struct net_device *dev, const u8 *addr, - u64 cookie, bool acked, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct sk_buff *msg; - void *hdr; - int err; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - if (acked) - NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); - - err = genlmsg_end(msg, hdr); - if (err < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} -EXPORT_SYMBOL(cfg80211_probe_status); - -void cfg80211_report_obss_beacon(struct wiphy *wiphy, - const u8 *frame, size_t len, - int freq, gfp_t gfp) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct sk_buff *msg; - void *hdr; - u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); - - if (!nlpid) - return; - - msg = nlmsg_new(len + 100, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - if (freq) - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); - NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame); - - genlmsg_end(msg, hdr); - - genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); -} -EXPORT_SYMBOL(cfg80211_report_obss_beacon); - -void cfg80211_priv_event(struct net_device *dev, - const char *priv_event, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct sk_buff *msg; - void *hdr; - int err; - - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); - if (!msg) - return; - - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PRIV_EVENT); - if (!hdr) { - nlmsg_free(msg); - return; - } - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); - NLA_PUT_STRING(msg, NL80211_ATTR_PRIV_EVENT, priv_event); - - err = genlmsg_end(msg, hdr); - if (err < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); - return; - - nla_put_failure: - genlmsg_cancel(msg, hdr); - nlmsg_free(msg); - -} -EXPORT_SYMBOL(cfg80211_priv_event); - - -static int nl80211_netlink_notify(struct notifier_block * nb, - unsigned long state, - void *_notify) -{ - struct netlink_notify *notify = _notify; - struct cfg80211_registered_device *rdev; - struct wireless_dev *wdev; - - if (state != NETLINK_URELEASE) - return NOTIFY_DONE; - - rcu_read_lock(); - - list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { - list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) - cfg80211_mlme_unregister_socket(wdev, notify->pid); - if (rdev->ap_beacons_nlpid == notify->pid) - rdev->ap_beacons_nlpid = 0; - } - - rcu_read_unlock(); - - return NOTIFY_DONE; -} - -static struct notifier_block nl80211_netlink_notifier = { - .notifier_call = nl80211_netlink_notify, -}; - -/* initialisation/exit functions */ - -int nl80211_init(void) -{ - int err; - - err = genl_register_family_with_ops(&nl80211_fam, - nl80211_ops, ARRAY_SIZE(nl80211_ops)); - if (err) - return err; - - err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); - if (err) - goto err_out; - - err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); - if (err) - goto err_out; - - err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); - if (err) - goto err_out; - - err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); - if (err) - goto err_out; - -#ifdef CONFIG_NL80211_TESTMODE - err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); - if (err) - goto err_out; -#endif - - err = netlink_register_notifier(&nl80211_netlink_notifier); - if (err) - goto err_out; - - return 0; - err_out: - genl_unregister_family(&nl80211_fam); - return err; -} - -void nl80211_exit(void) -{ - netlink_unregister_notifier(&nl80211_netlink_notifier); - genl_unregister_family(&nl80211_fam); -} diff --git a/net/wireless_ath/nl80211.h b/net/wireless_ath/nl80211.h deleted file mode 100755 index 12bf4d1..0000000 --- a/net/wireless_ath/nl80211.h +++ /dev/null @@ -1,125 +0,0 @@ -#ifndef __NET_WIRELESS_NL80211_H -#define __NET_WIRELESS_NL80211_H - -#include "core.h" - -int nl80211_init(void); -void nl80211_exit(void); -void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev); -void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, - struct net_device *netdev); -void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct net_device *netdev); -void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct net_device *netdev); -void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 cmd); -void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, - struct net_device *netdev); -void nl80211_send_reg_change_event(struct regulatory_request *request); -void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_deauth(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *addr, gfp_t gfp); -void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *addr, gfp_t gfp); -void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, - u16 status, gfp_t gfp); -void nl80211_send_roamed(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp); -void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u16 reason, - const u8 *ie, size_t ie_len, bool from_ap); - -void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - const u8 *macaddr, const u8* ie, u8 ie_len, - gfp_t gfp); -void -nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *addr, - enum nl80211_key_type key_type, - int key_id, const u8 *tsc, gfp_t gfp); - -void -nl80211_send_beacon_hint_event(struct wiphy *wiphy, - struct ieee80211_channel *channel_before, - struct ieee80211_channel *channel_after); - -void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - gfp_t gfp); - -void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - u64 cookie, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, gfp_t gfp); -void nl80211_send_remain_on_channel_cancel( - struct cfg80211_registered_device *rdev, struct net_device *netdev, - u64 cookie, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, gfp_t gfp); - -void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *mac_addr, - struct station_info *sinfo, gfp_t gfp); -void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *mac_addr, - gfp_t gfp); - -int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 nlpid, int freq, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, - const u8 *buf, size_t len, bool ack, - gfp_t gfp); - -void -nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - enum nl80211_cqm_rssi_threshold_event rssi_event, - gfp_t gfp); -void -nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *peer, - u32 num_packets, gfp_t gfp); - -void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, const u8 *bssid, - const u8 *replay_ctr, gfp_t gfp); - -void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, - struct net_device *netdev, int index, - const u8 *bssid, bool preauth, gfp_t gfp); - -bool nl80211_unexpected_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp); -bool nl80211_unexpected_4addr_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp); - -#endif /* __NET_WIRELESS_NL80211_H */ diff --git a/net/wireless_ath/radiotap.c b/net/wireless_ath/radiotap.c deleted file mode 100755 index c4ad795..0000000 --- a/net/wireless_ath/radiotap.c +++ /dev/null @@ -1,358 +0,0 @@ -/* - * Radiotap parser - * - * Copyright 2007 Andy Green <andy@warmcat.com> - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Alternatively, this software may be distributed under the terms of BSD - * license. - * - * See COPYING for more details. - */ - -#include <linux/kernel.h> -#include <linux/export.h> -#include <net/cfg80211.h> -#include <net/ieee80211_radiotap.h> -#include <asm/unaligned.h> - -/* function prototypes and related defs are in include/net/cfg80211.h */ - -static const struct radiotap_align_size rtap_namespace_sizes[] = { - [IEEE80211_RADIOTAP_TSFT] = { .align = 8, .size = 8, }, - [IEEE80211_RADIOTAP_FLAGS] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_RATE] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_CHANNEL] = { .align = 2, .size = 4, }, - [IEEE80211_RADIOTAP_FHSS] = { .align = 2, .size = 2, }, - [IEEE80211_RADIOTAP_DBM_ANTSIGNAL] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_DBM_ANTNOISE] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_LOCK_QUALITY] = { .align = 2, .size = 2, }, - [IEEE80211_RADIOTAP_TX_ATTENUATION] = { .align = 2, .size = 2, }, - [IEEE80211_RADIOTAP_DB_TX_ATTENUATION] = { .align = 2, .size = 2, }, - [IEEE80211_RADIOTAP_DBM_TX_POWER] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_ANTENNA] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_DB_ANTSIGNAL] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_DB_ANTNOISE] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_RX_FLAGS] = { .align = 2, .size = 2, }, - [IEEE80211_RADIOTAP_TX_FLAGS] = { .align = 2, .size = 2, }, - [IEEE80211_RADIOTAP_RTS_RETRIES] = { .align = 1, .size = 1, }, - [IEEE80211_RADIOTAP_DATA_RETRIES] = { .align = 1, .size = 1, }, - /* - * add more here as they are defined in radiotap.h - */ -}; - -static const struct ieee80211_radiotap_namespace radiotap_ns = { - .n_bits = ARRAY_SIZE(rtap_namespace_sizes), - .align_size = rtap_namespace_sizes, -}; - -/** - * ieee80211_radiotap_iterator_init - radiotap parser iterator initialization - * @iterator: radiotap_iterator to initialize - * @radiotap_header: radiotap header to parse - * @max_length: total length we can parse into (eg, whole packet length) - * - * Returns: 0 or a negative error code if there is a problem. - * - * This function initializes an opaque iterator struct which can then - * be passed to ieee80211_radiotap_iterator_next() to visit every radiotap - * argument which is present in the header. It knows about extended - * present headers and handles them. - * - * How to use: - * call __ieee80211_radiotap_iterator_init() to init a semi-opaque iterator - * struct ieee80211_radiotap_iterator (no need to init the struct beforehand) - * checking for a good 0 return code. Then loop calling - * __ieee80211_radiotap_iterator_next()... it returns either 0, - * -ENOENT if there are no more args to parse, or -EINVAL if there is a problem. - * The iterator's @this_arg member points to the start of the argument - * associated with the current argument index that is present, which can be - * found in the iterator's @this_arg_index member. This arg index corresponds - * to the IEEE80211_RADIOTAP_... defines. - * - * Radiotap header length: - * You can find the CPU-endian total radiotap header length in - * iterator->max_length after executing ieee80211_radiotap_iterator_init() - * successfully. - * - * Alignment Gotcha: - * You must take care when dereferencing iterator.this_arg - * for multibyte types... the pointer is not aligned. Use - * get_unaligned((type *)iterator.this_arg) to dereference - * iterator.this_arg for type "type" safely on all arches. - * - * Example code: - * See Documentation/networking/radiotap-headers.txt - */ - -int ieee80211_radiotap_iterator_init( - struct ieee80211_radiotap_iterator *iterator, - struct ieee80211_radiotap_header *radiotap_header, - int max_length, const struct ieee80211_radiotap_vendor_namespaces *vns) -{ - /* Linux only supports version 0 radiotap format */ - if (radiotap_header->it_version) - return -EINVAL; - - /* sanity check for allowed length and radiotap length field */ - if (max_length < get_unaligned_le16(&radiotap_header->it_len)) - return -EINVAL; - - iterator->_rtheader = radiotap_header; - iterator->_max_length = get_unaligned_le16(&radiotap_header->it_len); - iterator->_arg_index = 0; - iterator->_bitmap_shifter = get_unaligned_le32(&radiotap_header->it_present); - iterator->_arg = (uint8_t *)radiotap_header + sizeof(*radiotap_header); - iterator->_reset_on_ext = 0; - iterator->_next_bitmap = &radiotap_header->it_present; - iterator->_next_bitmap++; - iterator->_vns = vns; - iterator->current_namespace = &radiotap_ns; - iterator->is_radiotap_ns = 1; - - /* find payload start allowing for extended bitmap(s) */ - - if (iterator->_bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT)) { - while (get_unaligned_le32(iterator->_arg) & - (1 << IEEE80211_RADIOTAP_EXT)) { - iterator->_arg += sizeof(uint32_t); - - /* - * check for insanity where the present bitmaps - * keep claiming to extend up to or even beyond the - * stated radiotap header length - */ - - if ((unsigned long)iterator->_arg - - (unsigned long)iterator->_rtheader > - (unsigned long)iterator->_max_length) - return -EINVAL; - } - - iterator->_arg += sizeof(uint32_t); - - /* - * no need to check again for blowing past stated radiotap - * header length, because ieee80211_radiotap_iterator_next - * checks it before it is dereferenced - */ - } - - iterator->this_arg = iterator->_arg; - - /* we are all initialized happily */ - - return 0; -} -EXPORT_SYMBOL(ieee80211_radiotap_iterator_init); - -static void find_ns(struct ieee80211_radiotap_iterator *iterator, - uint32_t oui, uint8_t subns) -{ - int i; - - iterator->current_namespace = NULL; - - if (!iterator->_vns) - return; - - for (i = 0; i < iterator->_vns->n_ns; i++) { - if (iterator->_vns->ns[i].oui != oui) - continue; - if (iterator->_vns->ns[i].subns != subns) - continue; - - iterator->current_namespace = &iterator->_vns->ns[i]; - break; - } -} - - - -/** - * ieee80211_radiotap_iterator_next - return next radiotap parser iterator arg - * @iterator: radiotap_iterator to move to next arg (if any) - * - * Returns: 0 if there is an argument to handle, - * -ENOENT if there are no more args or -EINVAL - * if there is something else wrong. - * - * This function provides the next radiotap arg index (IEEE80211_RADIOTAP_*) - * in @this_arg_index and sets @this_arg to point to the - * payload for the field. It takes care of alignment handling and extended - * present fields. @this_arg can be changed by the caller (eg, - * incremented to move inside a compound argument like - * IEEE80211_RADIOTAP_CHANNEL). The args pointed to are in - * little-endian format whatever the endianess of your CPU. - * - * Alignment Gotcha: - * You must take care when dereferencing iterator.this_arg - * for multibyte types... the pointer is not aligned. Use - * get_unaligned((type *)iterator.this_arg) to dereference - * iterator.this_arg for type "type" safely on all arches. - */ - -int ieee80211_radiotap_iterator_next( - struct ieee80211_radiotap_iterator *iterator) -{ - while (1) { - int hit = 0; - int pad, align, size, subns; - uint32_t oui; - - /* if no more EXT bits, that's it */ - if ((iterator->_arg_index % 32) == IEEE80211_RADIOTAP_EXT && - !(iterator->_bitmap_shifter & 1)) - return -ENOENT; - - if (!(iterator->_bitmap_shifter & 1)) - goto next_entry; /* arg not present */ - - /* get alignment/size of data */ - switch (iterator->_arg_index % 32) { - case IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE: - case IEEE80211_RADIOTAP_EXT: - align = 1; - size = 0; - break; - case IEEE80211_RADIOTAP_VENDOR_NAMESPACE: - align = 2; - size = 6; - break; - default: - if (!iterator->current_namespace || - iterator->_arg_index >= iterator->current_namespace->n_bits) { - if (iterator->current_namespace == &radiotap_ns) - return -ENOENT; - align = 0; - } else { - align = iterator->current_namespace->align_size[iterator->_arg_index].align; - size = iterator->current_namespace->align_size[iterator->_arg_index].size; - } - if (!align) { - /* skip all subsequent data */ - iterator->_arg = iterator->_next_ns_data; - /* give up on this namespace */ - iterator->current_namespace = NULL; - goto next_entry; - } - break; - } - - /* - * arg is present, account for alignment padding - * - * Note that these alignments are relative to the start - * of the radiotap header. There is no guarantee - * that the radiotap header itself is aligned on any - * kind of boundary. - * - * The above is why get_unaligned() is used to dereference - * multibyte elements from the radiotap area. - */ - - pad = ((unsigned long)iterator->_arg - - (unsigned long)iterator->_rtheader) & (align - 1); - - if (pad) - iterator->_arg += align - pad; - - if (iterator->_arg_index % 32 == IEEE80211_RADIOTAP_VENDOR_NAMESPACE) { - int vnslen; - - if ((unsigned long)iterator->_arg + size - - (unsigned long)iterator->_rtheader > - (unsigned long)iterator->_max_length) - return -EINVAL; - - oui = (*iterator->_arg << 16) | - (*(iterator->_arg + 1) << 8) | - *(iterator->_arg + 2); - subns = *(iterator->_arg + 3); - - find_ns(iterator, oui, subns); - - vnslen = get_unaligned_le16(iterator->_arg + 4); - iterator->_next_ns_data = iterator->_arg + size + vnslen; - if (!iterator->current_namespace) - size += vnslen; - } - - /* - * this is what we will return to user, but we need to - * move on first so next call has something fresh to test - */ - iterator->this_arg_index = iterator->_arg_index; - iterator->this_arg = iterator->_arg; - iterator->this_arg_size = size; - - /* internally move on the size of this arg */ - iterator->_arg += size; - - /* - * check for insanity where we are given a bitmap that - * claims to have more arg content than the length of the - * radiotap section. We will normally end up equalling this - * max_length on the last arg, never exceeding it. - */ - - if ((unsigned long)iterator->_arg - - (unsigned long)iterator->_rtheader > - (unsigned long)iterator->_max_length) - return -EINVAL; - - /* these special ones are valid in each bitmap word */ - switch (iterator->_arg_index % 32) { - case IEEE80211_RADIOTAP_VENDOR_NAMESPACE: - iterator->_reset_on_ext = 1; - - iterator->is_radiotap_ns = 0; - /* - * If parser didn't register this vendor - * namespace with us, allow it to show it - * as 'raw. Do do that, set argument index - * to vendor namespace. - */ - iterator->this_arg_index = - IEEE80211_RADIOTAP_VENDOR_NAMESPACE; - if (!iterator->current_namespace) - hit = 1; - goto next_entry; - case IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE: - iterator->_reset_on_ext = 1; - iterator->current_namespace = &radiotap_ns; - iterator->is_radiotap_ns = 1; - goto next_entry; - case IEEE80211_RADIOTAP_EXT: - /* - * bit 31 was set, there is more - * -- move to next u32 bitmap - */ - iterator->_bitmap_shifter = - get_unaligned_le32(iterator->_next_bitmap); - iterator->_next_bitmap++; - if (iterator->_reset_on_ext) - iterator->_arg_index = 0; - else - iterator->_arg_index++; - iterator->_reset_on_ext = 0; - break; - default: - /* we've got a hit! */ - hit = 1; - next_entry: - iterator->_bitmap_shifter >>= 1; - iterator->_arg_index++; - } - - /* if we found a valid arg earlier, return it now */ - if (hit) - return 0; - } -} -EXPORT_SYMBOL(ieee80211_radiotap_iterator_next); diff --git a/net/wireless_ath/reg.c b/net/wireless_ath/reg.c deleted file mode 100755 index a797919..0000000 --- a/net/wireless_ath/reg.c +++ /dev/null @@ -1,2307 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005-2006, Devicescape Software, Inc. - * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> - * Copyright 2008 Luis R. Rodriguez <lrodriguz@atheros.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/** - * DOC: Wireless regulatory infrastructure - * - * The usual implementation is for a driver to read a device EEPROM to - * determine which regulatory domain it should be operating under, then - * looking up the allowable channels in a driver-local table and finally - * registering those channels in the wiphy structure. - * - * Another set of compliance enforcement is for drivers to use their - * own compliance limits which can be stored on the EEPROM. The host - * driver or firmware may ensure these are used. - * - * In addition to all this we provide an extra layer of regulatory - * conformance. For drivers which do not have any regulatory - * information CRDA provides the complete regulatory solution. - * For others it provides a community effort on further restrictions - * to enhance compliance. - * - * Note: When number of rules --> infinity we will not be able to - * index on alpha2 any more, instead we'll probably have to - * rely on some SHA1 checksum of the regdomain for example. - * - */ - -//#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/kernel.h> -#include <linux/export.h> -#include <linux/slab.h> -#include <linux/list.h> -#include <linux/random.h> -#include <linux/ctype.h> -#include <linux/nl80211.h> -#include <linux/platform_device.h> -#include <linux/moduleparam.h> -#include <net/cfg80211.h> -#include "core.h" -#include "reg.h" -#include "regdb.h" -#include "nl80211.h" - -#ifdef CONFIG_CFG80211_REG_DEBUG -#define REG_DBG_PRINT(format, args...) \ - printk(KERN_DEBUG pr_fmt(format), ##args) -#else -#define REG_DBG_PRINT(args...) -#endif - -/* Receipt of information from last regulatory request */ -static struct regulatory_request *last_request; - -/* To trigger userspace events */ -static struct platform_device *reg_pdev; - -static struct device_type reg_device_type = { - .uevent = reg_device_uevent, -}; - -/* - * Central wireless core regulatory domains, we only need two, - * the current one and a world regulatory domain in case we have no - * information to give us an alpha2 - */ -const struct ieee80211_regdomain *cfg80211_regdomain; - -/* - * Protects static reg.c components: - * - cfg80211_world_regdom - * - cfg80211_regdom - * - last_request - */ -static DEFINE_MUTEX(reg_mutex); - -static inline void assert_reg_lock(void) -{ - lockdep_assert_held(®_mutex); -} - -/* Used to queue up regulatory hints */ -static LIST_HEAD(reg_requests_list); -static spinlock_t reg_requests_lock; - -/* Used to queue up beacon hints for review */ -static LIST_HEAD(reg_pending_beacons); -static spinlock_t reg_pending_beacons_lock; - -/* Used to keep track of processed beacon hints */ -static LIST_HEAD(reg_beacon_list); - -struct reg_beacon { - struct list_head list; - struct ieee80211_channel chan; -}; - -static void reg_todo(struct work_struct *work); -static DECLARE_WORK(reg_work, reg_todo); - -static void reg_timeout_work(struct work_struct *work); -static DECLARE_DELAYED_WORK(reg_timeout, reg_timeout_work); - -/* We keep a static world regulatory domain in case of the absence of CRDA */ -static const struct ieee80211_regdomain world_regdom = { - .n_reg_rules = 5, - .alpha2 = "00", - .reg_rules = { - /* IEEE 802.11b/g, channels 1..11 */ - REG_RULE(2412-10, 2462+10, 40, 6, 20, 0), - /* IEEE 802.11b/g, channels 12..13. No HT40 - * channel fits here. */ - REG_RULE(2467-10, 2472+10, 20, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS), - /* IEEE 802.11 channel 14 - Only JP enables - * this and for 802.11b only */ - REG_RULE(2484-10, 2484+10, 20, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS | - NL80211_RRF_NO_OFDM), - /* IEEE 802.11a, channel 36..48 */ - REG_RULE(5180-10, 5240+10, 40, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS), - - /* NB: 5260 MHz - 5700 MHz requies DFS */ - - /* IEEE 802.11a, channel 149..165 */ - REG_RULE(5745-10, 5825+10, 40, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS), - } -}; - -static const struct ieee80211_regdomain *cfg80211_world_regdom = - &world_regdom; - -static char *ieee80211_regdom = "00"; -static char user_alpha2[2]; - -module_param(ieee80211_regdom, charp, 0444); -MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code"); - -static void reset_regdomains(void) -{ - /* avoid freeing static information or freeing something twice */ - if (cfg80211_regdomain == cfg80211_world_regdom) - cfg80211_regdomain = NULL; - if (cfg80211_world_regdom == &world_regdom) - cfg80211_world_regdom = NULL; - if (cfg80211_regdomain == &world_regdom) - cfg80211_regdomain = NULL; - - kfree(cfg80211_regdomain); - kfree(cfg80211_world_regdom); - - cfg80211_world_regdom = &world_regdom; - cfg80211_regdomain = NULL; -} - -/* - * Dynamic world regulatory domain requested by the wireless - * core upon initialization - */ -static void update_world_regdomain(const struct ieee80211_regdomain *rd) -{ - BUG_ON(!last_request); - - reset_regdomains(); - - cfg80211_world_regdom = rd; - cfg80211_regdomain = rd; -} - -bool is_world_regdom(const char *alpha2) -{ - if (!alpha2) - return false; - if (alpha2[0] == '0' && alpha2[1] == '0') - return true; - return false; -} - -static bool is_alpha2_set(const char *alpha2) -{ - if (!alpha2) - return false; - if (alpha2[0] != 0 && alpha2[1] != 0) - return true; - return false; -} - -static bool is_unknown_alpha2(const char *alpha2) -{ - if (!alpha2) - return false; - /* - * Special case where regulatory domain was built by driver - * but a specific alpha2 cannot be determined - */ - if (alpha2[0] == '9' && alpha2[1] == '9') - return true; - return false; -} - -static bool is_intersected_alpha2(const char *alpha2) -{ - if (!alpha2) - return false; - /* - * Special case where regulatory domain is the - * result of an intersection between two regulatory domain - * structures - */ - if (alpha2[0] == '9' && alpha2[1] == '8') - return true; - return false; -} - -static bool is_an_alpha2(const char *alpha2) -{ - if (!alpha2) - return false; - if (isalpha(alpha2[0]) && isalpha(alpha2[1])) - return true; - return false; -} - -static bool alpha2_equal(const char *alpha2_x, const char *alpha2_y) -{ - if (!alpha2_x || !alpha2_y) - return false; - if (alpha2_x[0] == alpha2_y[0] && - alpha2_x[1] == alpha2_y[1]) - return true; - return false; -} - -static bool regdom_changes(const char *alpha2) -{ - assert_cfg80211_lock(); - - if (!cfg80211_regdomain) - return true; - if (alpha2_equal(cfg80211_regdomain->alpha2, alpha2)) - return false; - return true; -} - -/* - * The NL80211_REGDOM_SET_BY_USER regdom alpha2 is cached, this lets - * you know if a valid regulatory hint with NL80211_REGDOM_SET_BY_USER - * has ever been issued. - */ -static bool is_user_regdom_saved(void) -{ - if (user_alpha2[0] == '9' && user_alpha2[1] == '7') - return false; - - /* This would indicate a mistake on the design */ - if (WARN((!is_world_regdom(user_alpha2) && - !is_an_alpha2(user_alpha2)), - "Unexpected user alpha2: %c%c\n", - user_alpha2[0], - user_alpha2[1])) - return false; - - return true; -} - -static int reg_copy_regd(const struct ieee80211_regdomain **dst_regd, - const struct ieee80211_regdomain *src_regd) -{ - struct ieee80211_regdomain *regd; - int size_of_regd = 0; - unsigned int i; - - size_of_regd = sizeof(struct ieee80211_regdomain) + - ((src_regd->n_reg_rules + 1) * sizeof(struct ieee80211_reg_rule)); - - regd = kzalloc(size_of_regd, GFP_KERNEL); - if (!regd) - return -ENOMEM; - - memcpy(regd, src_regd, sizeof(struct ieee80211_regdomain)); - - for (i = 0; i < src_regd->n_reg_rules; i++) - memcpy(®d->reg_rules[i], &src_regd->reg_rules[i], - sizeof(struct ieee80211_reg_rule)); - - *dst_regd = regd; - return 0; -} - -#ifdef CONFIG_CFG80211_INTERNAL_REGDB -struct reg_regdb_search_request { - char alpha2[2]; - struct list_head list; -}; - -static LIST_HEAD(reg_regdb_search_list); -static DEFINE_MUTEX(reg_regdb_search_mutex); - -static void reg_regdb_search(struct work_struct *work) -{ - struct reg_regdb_search_request *request; - const struct ieee80211_regdomain *curdom, *regdom; - int i, r; - - mutex_lock(®_regdb_search_mutex); - while (!list_empty(®_regdb_search_list)) { - request = list_first_entry(®_regdb_search_list, - struct reg_regdb_search_request, - list); - list_del(&request->list); - - for (i=0; i<reg_regdb_size; i++) { - curdom = reg_regdb[i]; - - if (!memcmp(request->alpha2, curdom->alpha2, 2)) { - r = reg_copy_regd(®dom, curdom); - if (r) - break; - mutex_lock(&cfg80211_mutex); - set_regdom(regdom); - mutex_unlock(&cfg80211_mutex); - break; - } - } - - kfree(request); - } - mutex_unlock(®_regdb_search_mutex); -} - -static DECLARE_WORK(reg_regdb_work, reg_regdb_search); - -static void reg_regdb_query(const char *alpha2) -{ - struct reg_regdb_search_request *request; - - if (!alpha2) - return; - - request = kzalloc(sizeof(struct reg_regdb_search_request), GFP_KERNEL); - if (!request) - return; - - memcpy(request->alpha2, alpha2, 2); - - mutex_lock(®_regdb_search_mutex); - list_add_tail(&request->list, ®_regdb_search_list); - mutex_unlock(®_regdb_search_mutex); - - schedule_work(®_regdb_work); -} -#else -static inline void reg_regdb_query(const char *alpha2) {} -#endif /* CONFIG_CFG80211_INTERNAL_REGDB */ - -/* - * This lets us keep regulatory code which is updated on a regulatory - * basis in userspace. Country information is filled in by - * reg_device_uevent - */ -static int call_crda(const char *alpha2) -{ - if (!is_world_regdom((char *) alpha2)) - pr_info("Calling CRDA for country: %c%c\n", - alpha2[0], alpha2[1]); - else - pr_info("Calling CRDA to update world regulatory domain\n"); - - /* query internal regulatory database (if it exists) */ - reg_regdb_query(alpha2); - - return kobject_uevent(®_pdev->dev.kobj, KOBJ_CHANGE); -} - -/* Used by nl80211 before kmalloc'ing our regulatory domain */ -bool reg_is_valid_request(const char *alpha2) -{ - assert_cfg80211_lock(); - - if (!last_request) - return false; - - return alpha2_equal(last_request->alpha2, alpha2); -} - -/* Sanity check on a regulatory rule */ -static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule) -{ - const struct ieee80211_freq_range *freq_range = &rule->freq_range; - u32 freq_diff; - - if (freq_range->start_freq_khz <= 0 || freq_range->end_freq_khz <= 0) - return false; - - if (freq_range->start_freq_khz > freq_range->end_freq_khz) - return false; - - freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; - - if (freq_range->end_freq_khz <= freq_range->start_freq_khz || - freq_range->max_bandwidth_khz > freq_diff) - return false; - - return true; -} - -static bool is_valid_rd(const struct ieee80211_regdomain *rd) -{ - const struct ieee80211_reg_rule *reg_rule = NULL; - unsigned int i; - - if (!rd->n_reg_rules) - return false; - - if (WARN_ON(rd->n_reg_rules > NL80211_MAX_SUPP_REG_RULES)) - return false; - - for (i = 0; i < rd->n_reg_rules; i++) { - reg_rule = &rd->reg_rules[i]; - if (!is_valid_reg_rule(reg_rule)) - return false; - } - - return true; -} - -static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range, - u32 center_freq_khz, - u32 bw_khz) -{ - u32 start_freq_khz, end_freq_khz; - - start_freq_khz = center_freq_khz - (bw_khz/2); - end_freq_khz = center_freq_khz + (bw_khz/2); - - if (start_freq_khz >= freq_range->start_freq_khz && - end_freq_khz <= freq_range->end_freq_khz) - return true; - - return false; -} - -/** - * freq_in_rule_band - tells us if a frequency is in a frequency band - * @freq_range: frequency rule we want to query - * @freq_khz: frequency we are inquiring about - * - * This lets us know if a specific frequency rule is or is not relevant to - * a specific frequency's band. Bands are device specific and artificial - * definitions (the "2.4 GHz band" and the "5 GHz band"), however it is - * safe for now to assume that a frequency rule should not be part of a - * frequency's band if the start freq or end freq are off by more than 2 GHz. - * This resolution can be lowered and should be considered as we add - * regulatory rule support for other "bands". - **/ -static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, - u32 freq_khz) -{ -#define ONE_GHZ_IN_KHZ 1000000 - if (abs(freq_khz - freq_range->start_freq_khz) <= (2 * ONE_GHZ_IN_KHZ)) - return true; - if (abs(freq_khz - freq_range->end_freq_khz) <= (2 * ONE_GHZ_IN_KHZ)) - return true; - return false; -#undef ONE_GHZ_IN_KHZ -} - -/* - * Helper for regdom_intersect(), this does the real - * mathematical intersection fun - */ -static int reg_rules_intersect( - const struct ieee80211_reg_rule *rule1, - const struct ieee80211_reg_rule *rule2, - struct ieee80211_reg_rule *intersected_rule) -{ - const struct ieee80211_freq_range *freq_range1, *freq_range2; - struct ieee80211_freq_range *freq_range; - const struct ieee80211_power_rule *power_rule1, *power_rule2; - struct ieee80211_power_rule *power_rule; - u32 freq_diff; - - freq_range1 = &rule1->freq_range; - freq_range2 = &rule2->freq_range; - freq_range = &intersected_rule->freq_range; - - power_rule1 = &rule1->power_rule; - power_rule2 = &rule2->power_rule; - power_rule = &intersected_rule->power_rule; - - freq_range->start_freq_khz = max(freq_range1->start_freq_khz, - freq_range2->start_freq_khz); - freq_range->end_freq_khz = min(freq_range1->end_freq_khz, - freq_range2->end_freq_khz); - freq_range->max_bandwidth_khz = min(freq_range1->max_bandwidth_khz, - freq_range2->max_bandwidth_khz); - - freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; - if (freq_range->max_bandwidth_khz > freq_diff) - freq_range->max_bandwidth_khz = freq_diff; - - power_rule->max_eirp = min(power_rule1->max_eirp, - power_rule2->max_eirp); - power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain, - power_rule2->max_antenna_gain); - - intersected_rule->flags = (rule1->flags | rule2->flags); - - if (!is_valid_reg_rule(intersected_rule)) - return -EINVAL; - - return 0; -} - -/** - * regdom_intersect - do the intersection between two regulatory domains - * @rd1: first regulatory domain - * @rd2: second regulatory domain - * - * Use this function to get the intersection between two regulatory domains. - * Once completed we will mark the alpha2 for the rd as intersected, "98", - * as no one single alpha2 can represent this regulatory domain. - * - * Returns a pointer to the regulatory domain structure which will hold the - * resulting intersection of rules between rd1 and rd2. We will - * kzalloc() this structure for you. - */ -static struct ieee80211_regdomain *regdom_intersect( - const struct ieee80211_regdomain *rd1, - const struct ieee80211_regdomain *rd2) -{ - int r, size_of_regd; - unsigned int x, y; - unsigned int num_rules = 0, rule_idx = 0; - const struct ieee80211_reg_rule *rule1, *rule2; - struct ieee80211_reg_rule *intersected_rule; - struct ieee80211_regdomain *rd; - /* This is just a dummy holder to help us count */ - struct ieee80211_reg_rule irule; - - /* Uses the stack temporarily for counter arithmetic */ - intersected_rule = &irule; - - memset(intersected_rule, 0, sizeof(struct ieee80211_reg_rule)); - - if (!rd1 || !rd2) - return NULL; - - /* - * First we get a count of the rules we'll need, then we actually - * build them. This is to so we can malloc() and free() a - * regdomain once. The reason we use reg_rules_intersect() here - * is it will return -EINVAL if the rule computed makes no sense. - * All rules that do check out OK are valid. - */ - - for (x = 0; x < rd1->n_reg_rules; x++) { - rule1 = &rd1->reg_rules[x]; - for (y = 0; y < rd2->n_reg_rules; y++) { - rule2 = &rd2->reg_rules[y]; - if (!reg_rules_intersect(rule1, rule2, - intersected_rule)) - num_rules++; - memset(intersected_rule, 0, - sizeof(struct ieee80211_reg_rule)); - } - } - - if (!num_rules) - return NULL; - - size_of_regd = sizeof(struct ieee80211_regdomain) + - ((num_rules + 1) * sizeof(struct ieee80211_reg_rule)); - - rd = kzalloc(size_of_regd, GFP_KERNEL); - if (!rd) - return NULL; - - for (x = 0; x < rd1->n_reg_rules; x++) { - rule1 = &rd1->reg_rules[x]; - for (y = 0; y < rd2->n_reg_rules; y++) { - rule2 = &rd2->reg_rules[y]; - /* - * This time around instead of using the stack lets - * write to the target rule directly saving ourselves - * a memcpy() - */ - intersected_rule = &rd->reg_rules[rule_idx]; - r = reg_rules_intersect(rule1, rule2, - intersected_rule); - /* - * No need to memset here the intersected rule here as - * we're not using the stack anymore - */ - if (r) - continue; - rule_idx++; - } - } - - if (rule_idx != num_rules) { - kfree(rd); - return NULL; - } - - rd->n_reg_rules = num_rules; - rd->alpha2[0] = '9'; - rd->alpha2[1] = '8'; - - return rd; -} - -/* - * XXX: add support for the rest of enum nl80211_reg_rule_flags, we may - * want to just have the channel structure use these - */ -static u32 map_regdom_flags(u32 rd_flags) -{ - u32 channel_flags = 0; - if (rd_flags & NL80211_RRF_PASSIVE_SCAN) - channel_flags |= IEEE80211_CHAN_PASSIVE_SCAN; - if (rd_flags & NL80211_RRF_NO_IBSS) - channel_flags |= IEEE80211_CHAN_NO_IBSS; - if (rd_flags & NL80211_RRF_DFS) - channel_flags |= IEEE80211_CHAN_RADAR; - return channel_flags; -} - -static int freq_reg_info_regd(struct wiphy *wiphy, - u32 center_freq, - u32 desired_bw_khz, - const struct ieee80211_reg_rule **reg_rule, - const struct ieee80211_regdomain *custom_regd) -{ - int i; - bool band_rule_found = false; - const struct ieee80211_regdomain *regd; - bool bw_fits = false; - - if (!desired_bw_khz) - desired_bw_khz = MHZ_TO_KHZ(20); - - regd = custom_regd ? custom_regd : cfg80211_regdomain; - - /* - * Follow the driver's regulatory domain, if present, unless a country - * IE has been processed or a user wants to help complaince further - */ - if (!custom_regd && - last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && - last_request->initiator != NL80211_REGDOM_SET_BY_USER && - wiphy->regd) - regd = wiphy->regd; - - if (!regd) - return -EINVAL; - - for (i = 0; i < regd->n_reg_rules; i++) { - const struct ieee80211_reg_rule *rr; - const struct ieee80211_freq_range *fr = NULL; - - rr = ®d->reg_rules[i]; - fr = &rr->freq_range; - - /* - * We only need to know if one frequency rule was - * was in center_freq's band, that's enough, so lets - * not overwrite it once found - */ - if (!band_rule_found) - band_rule_found = freq_in_rule_band(fr, center_freq); - - bw_fits = reg_does_bw_fit(fr, - center_freq, - desired_bw_khz); - - if (band_rule_found && bw_fits) { - *reg_rule = rr; - return 0; - } - } - - if (!band_rule_found) - return -ERANGE; - - return -EINVAL; -} - -int freq_reg_info(struct wiphy *wiphy, - u32 center_freq, - u32 desired_bw_khz, - const struct ieee80211_reg_rule **reg_rule) -{ - assert_cfg80211_lock(); - return freq_reg_info_regd(wiphy, - center_freq, - desired_bw_khz, - reg_rule, - NULL); -} -EXPORT_SYMBOL(freq_reg_info); - -#ifdef CONFIG_CFG80211_REG_DEBUG -static const char *reg_initiator_name(enum nl80211_reg_initiator initiator) -{ - switch (initiator) { - case NL80211_REGDOM_SET_BY_CORE: - return "Set by core"; - case NL80211_REGDOM_SET_BY_USER: - return "Set by user"; - case NL80211_REGDOM_SET_BY_DRIVER: - return "Set by driver"; - case NL80211_REGDOM_SET_BY_COUNTRY_IE: - return "Set by country IE"; - default: - WARN_ON(1); - return "Set by bug"; - } -} - -static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan, - u32 desired_bw_khz, - const struct ieee80211_reg_rule *reg_rule) -{ - const struct ieee80211_power_rule *power_rule; - const struct ieee80211_freq_range *freq_range; - char max_antenna_gain[32]; - - power_rule = ®_rule->power_rule; - freq_range = ®_rule->freq_range; - - if (!power_rule->max_antenna_gain) - snprintf(max_antenna_gain, 32, "N/A"); - else - snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain); - - REG_DBG_PRINT("Updating information on frequency %d MHz " - "for a %d MHz width channel with regulatory rule:\n", - chan->center_freq, - KHZ_TO_MHZ(desired_bw_khz)); - - REG_DBG_PRINT("%d KHz - %d KHz @ %d KHz), (%s mBi, %d mBm)\n", - freq_range->start_freq_khz, - freq_range->end_freq_khz, - freq_range->max_bandwidth_khz, - max_antenna_gain, - power_rule->max_eirp); -} -#else -static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan, - u32 desired_bw_khz, - const struct ieee80211_reg_rule *reg_rule) -{ - return; -} -#endif - -/* - * Note that right now we assume the desired channel bandwidth - * is always 20 MHz for each individual channel (HT40 uses 20 MHz - * per channel, the primary and the extension channel). To support - * smaller custom bandwidths such as 5 MHz or 10 MHz we'll need a - * new ieee80211_channel.target_bw and re run the regulatory check - * on the wiphy with the target_bw specified. Then we can simply use - * that below for the desired_bw_khz below. - */ -static void handle_channel(struct wiphy *wiphy, - enum nl80211_reg_initiator initiator, - enum ieee80211_band band, - unsigned int chan_idx) -{ - int r; - u32 flags, bw_flags = 0; - u32 desired_bw_khz = MHZ_TO_KHZ(20); - const struct ieee80211_reg_rule *reg_rule = NULL; - const struct ieee80211_power_rule *power_rule = NULL; - const struct ieee80211_freq_range *freq_range = NULL; - struct ieee80211_supported_band *sband; - struct ieee80211_channel *chan; - struct wiphy *request_wiphy = NULL; - - assert_cfg80211_lock(); - - request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); - - sband = wiphy->bands[band]; - BUG_ON(chan_idx >= sband->n_channels); - chan = &sband->channels[chan_idx]; - - flags = chan->orig_flags; - - r = freq_reg_info(wiphy, - MHZ_TO_KHZ(chan->center_freq), - desired_bw_khz, - ®_rule); - - if (r) { - /* - * We will disable all channels that do not match our - * received regulatory rule unless the hint is coming - * from a Country IE and the Country IE had no information - * about a band. The IEEE 802.11 spec allows for an AP - * to send only a subset of the regulatory rules allowed, - * so an AP in the US that only supports 2.4 GHz may only send - * a country IE with information for the 2.4 GHz band - * while 5 GHz is still supported. - */ - if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE && - r == -ERANGE) - return; - - REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq); - chan->flags = IEEE80211_CHAN_DISABLED; - return; - } - - chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule); - - power_rule = ®_rule->power_rule; - freq_range = ®_rule->freq_range; - - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40)) - bw_flags = IEEE80211_CHAN_NO_HT40; - - if (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && - request_wiphy && request_wiphy == wiphy && - request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) { - /* - * This guarantees the driver's requested regulatory domain - * will always be used as a base for further regulatory - * settings - */ - chan->flags = chan->orig_flags = - map_regdom_flags(reg_rule->flags) | bw_flags; - chan->max_antenna_gain = chan->orig_mag = - (int) MBI_TO_DBI(power_rule->max_antenna_gain); - chan->max_power = chan->orig_mpwr = - (int) MBM_TO_DBM(power_rule->max_eirp); - return; - } - - chan->beacon_found = false; - chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); - chan->max_antenna_gain = min(chan->orig_mag, - (int) MBI_TO_DBI(power_rule->max_antenna_gain)); - if (chan->orig_mpwr) - chan->max_power = min(chan->orig_mpwr, - (int) MBM_TO_DBM(power_rule->max_eirp)); - else - chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp); -} - -static void handle_band(struct wiphy *wiphy, - enum ieee80211_band band, - enum nl80211_reg_initiator initiator) -{ - unsigned int i; - struct ieee80211_supported_band *sband; - - BUG_ON(!wiphy->bands[band]); - sband = wiphy->bands[band]; - - for (i = 0; i < sband->n_channels; i++) - handle_channel(wiphy, initiator, band, i); -} - -static bool ignore_reg_update(struct wiphy *wiphy, - enum nl80211_reg_initiator initiator) -{ - if (!last_request) { - REG_DBG_PRINT("Ignoring regulatory request %s since " - "last_request is not set\n", - reg_initiator_name(initiator)); - return true; - } - - if (initiator == NL80211_REGDOM_SET_BY_CORE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) { - REG_DBG_PRINT("Ignoring regulatory request %s " - "since the driver uses its own custom " - "regulatory domain\n", - reg_initiator_name(initiator)); - return true; - } - - /* - * wiphy->regd will be set once the device has its own - * desired regulatory domain set - */ - if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY && !wiphy->regd && - initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && - !is_world_regdom(last_request->alpha2)) { - REG_DBG_PRINT("Ignoring regulatory request %s " - "since the driver requires its own regulatory " - "domain to be set first\n", - reg_initiator_name(initiator)); - return true; - } - - return false; -} - -static void handle_reg_beacon(struct wiphy *wiphy, - unsigned int chan_idx, - struct reg_beacon *reg_beacon) -{ - struct ieee80211_supported_band *sband; - struct ieee80211_channel *chan; - bool channel_changed = false; - struct ieee80211_channel chan_before; - - assert_cfg80211_lock(); - - sband = wiphy->bands[reg_beacon->chan.band]; - chan = &sband->channels[chan_idx]; - - if (likely(chan->center_freq != reg_beacon->chan.center_freq)) - return; - - if (chan->beacon_found) - return; - - chan->beacon_found = true; - - if (wiphy->flags & WIPHY_FLAG_DISABLE_BEACON_HINTS) - return; - - chan_before.center_freq = chan->center_freq; - chan_before.flags = chan->flags; - - if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) { - chan->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - channel_changed = true; - } - - if (chan->flags & IEEE80211_CHAN_NO_IBSS) { - chan->flags &= ~IEEE80211_CHAN_NO_IBSS; - channel_changed = true; - } - - if (channel_changed) - nl80211_send_beacon_hint_event(wiphy, &chan_before, chan); -} - -/* - * Called when a scan on a wiphy finds a beacon on - * new channel - */ -static void wiphy_update_new_beacon(struct wiphy *wiphy, - struct reg_beacon *reg_beacon) -{ - unsigned int i; - struct ieee80211_supported_band *sband; - - assert_cfg80211_lock(); - - if (!wiphy->bands[reg_beacon->chan.band]) - return; - - sband = wiphy->bands[reg_beacon->chan.band]; - - for (i = 0; i < sband->n_channels; i++) - handle_reg_beacon(wiphy, i, reg_beacon); -} - -/* - * Called upon reg changes or a new wiphy is added - */ -static void wiphy_update_beacon_reg(struct wiphy *wiphy) -{ - unsigned int i; - struct ieee80211_supported_band *sband; - struct reg_beacon *reg_beacon; - - assert_cfg80211_lock(); - - if (list_empty(®_beacon_list)) - return; - - list_for_each_entry(reg_beacon, ®_beacon_list, list) { - if (!wiphy->bands[reg_beacon->chan.band]) - continue; - sband = wiphy->bands[reg_beacon->chan.band]; - for (i = 0; i < sband->n_channels; i++) - handle_reg_beacon(wiphy, i, reg_beacon); - } -} - -static bool reg_is_world_roaming(struct wiphy *wiphy) -{ - if (is_world_regdom(cfg80211_regdomain->alpha2) || - (wiphy->regd && is_world_regdom(wiphy->regd->alpha2))) - return true; - if (last_request && - last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) - return true; - return false; -} - -/* Reap the advantages of previously found beacons */ -static void reg_process_beacons(struct wiphy *wiphy) -{ - /* - * Means we are just firing up cfg80211, so no beacons would - * have been processed yet. - */ - if (!last_request) - return; - if (!reg_is_world_roaming(wiphy)) - return; - wiphy_update_beacon_reg(wiphy); -} - -static bool is_ht40_not_allowed(struct ieee80211_channel *chan) -{ - if (!chan) - return true; - if (chan->flags & IEEE80211_CHAN_DISABLED) - return true; - /* This would happen when regulatory rules disallow HT40 completely */ - if (IEEE80211_CHAN_NO_HT40 == (chan->flags & (IEEE80211_CHAN_NO_HT40))) - return true; - return false; -} - -static void reg_process_ht_flags_channel(struct wiphy *wiphy, - enum ieee80211_band band, - unsigned int chan_idx) -{ - struct ieee80211_supported_band *sband; - struct ieee80211_channel *channel; - struct ieee80211_channel *channel_before = NULL, *channel_after = NULL; - unsigned int i; - - assert_cfg80211_lock(); - - sband = wiphy->bands[band]; - BUG_ON(chan_idx >= sband->n_channels); - channel = &sband->channels[chan_idx]; - - if (is_ht40_not_allowed(channel)) { - channel->flags |= IEEE80211_CHAN_NO_HT40; - return; - } - - /* - * We need to ensure the extension channels exist to - * be able to use HT40- or HT40+, this finds them (or not) - */ - for (i = 0; i < sband->n_channels; i++) { - struct ieee80211_channel *c = &sband->channels[i]; - if (c->center_freq == (channel->center_freq - 20)) - channel_before = c; - if (c->center_freq == (channel->center_freq + 20)) - channel_after = c; - } - - /* - * Please note that this assumes target bandwidth is 20 MHz, - * if that ever changes we also need to change the below logic - * to include that as well. - */ - if (is_ht40_not_allowed(channel_before)) - channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; - else - channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS; - - if (is_ht40_not_allowed(channel_after)) - channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; - else - channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS; -} - -static void reg_process_ht_flags_band(struct wiphy *wiphy, - enum ieee80211_band band) -{ - unsigned int i; - struct ieee80211_supported_band *sband; - - BUG_ON(!wiphy->bands[band]); - sband = wiphy->bands[band]; - - for (i = 0; i < sband->n_channels; i++) - reg_process_ht_flags_channel(wiphy, band, i); -} - -static void reg_process_ht_flags(struct wiphy *wiphy) -{ - enum ieee80211_band band; - - if (!wiphy) - return; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (wiphy->bands[band]) - reg_process_ht_flags_band(wiphy, band); - } - -} - -static void wiphy_update_regulatory(struct wiphy *wiphy, - enum nl80211_reg_initiator initiator) -{ - enum ieee80211_band band; - - assert_reg_lock(); - - if (ignore_reg_update(wiphy, initiator)) - return; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (wiphy->bands[band]) - handle_band(wiphy, band, initiator); - } - -#ifdef CONFIG_MACH_PX - last_request->processed = true; -#endif - - reg_process_beacons(wiphy); - reg_process_ht_flags(wiphy); - if (wiphy->reg_notifier) - wiphy->reg_notifier(wiphy, last_request); -} - -void regulatory_update(struct wiphy *wiphy, - enum nl80211_reg_initiator setby) -{ - mutex_lock(®_mutex); - wiphy_update_regulatory(wiphy, setby); - mutex_unlock(®_mutex); -} - -static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator) -{ - struct cfg80211_registered_device *rdev; - - list_for_each_entry(rdev, &cfg80211_rdev_list, list) - wiphy_update_regulatory(&rdev->wiphy, initiator); -} - -static void handle_channel_custom(struct wiphy *wiphy, - enum ieee80211_band band, - unsigned int chan_idx, - const struct ieee80211_regdomain *regd) -{ - int r; - u32 desired_bw_khz = MHZ_TO_KHZ(20); - u32 bw_flags = 0; - const struct ieee80211_reg_rule *reg_rule = NULL; - const struct ieee80211_power_rule *power_rule = NULL; - const struct ieee80211_freq_range *freq_range = NULL; - struct ieee80211_supported_band *sband; - struct ieee80211_channel *chan; - - assert_reg_lock(); - - sband = wiphy->bands[band]; - BUG_ON(chan_idx >= sband->n_channels); - chan = &sband->channels[chan_idx]; - - r = freq_reg_info_regd(wiphy, - MHZ_TO_KHZ(chan->center_freq), - desired_bw_khz, - ®_rule, - regd); - - if (r) { - REG_DBG_PRINT("Disabling freq %d MHz as custom " - "regd has no rule that fits a %d MHz " - "wide channel\n", - chan->center_freq, - KHZ_TO_MHZ(desired_bw_khz)); - chan->flags = IEEE80211_CHAN_DISABLED; - return; - } - - chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule); - - power_rule = ®_rule->power_rule; - freq_range = ®_rule->freq_range; - - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40)) - bw_flags = IEEE80211_CHAN_NO_HT40; - - chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags; - chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain); - chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp); -} - -static void handle_band_custom(struct wiphy *wiphy, enum ieee80211_band band, - const struct ieee80211_regdomain *regd) -{ - unsigned int i; - struct ieee80211_supported_band *sband; - - BUG_ON(!wiphy->bands[band]); - sband = wiphy->bands[band]; - - for (i = 0; i < sband->n_channels; i++) - handle_channel_custom(wiphy, band, i, regd); -} - -/* Used by drivers prior to wiphy registration */ -void wiphy_apply_custom_regulatory(struct wiphy *wiphy, - const struct ieee80211_regdomain *regd) -{ - enum ieee80211_band band; - unsigned int bands_set = 0; - - mutex_lock(®_mutex); - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!wiphy->bands[band]) - continue; - handle_band_custom(wiphy, band, regd); - bands_set++; - } - mutex_unlock(®_mutex); - - /* - * no point in calling this if it won't have any effect - * on your device's supportd bands. - */ - WARN_ON(!bands_set); -} -EXPORT_SYMBOL(wiphy_apply_custom_regulatory); - -/* - * Return value which can be used by ignore_request() to indicate - * it has been determined we should intersect two regulatory domains - */ -#define REG_INTERSECT 1 - -/* This has the logic which determines when a new request - * should be ignored. */ -static int ignore_request(struct wiphy *wiphy, - struct regulatory_request *pending_request) -{ - struct wiphy *last_wiphy = NULL; - - assert_cfg80211_lock(); - - /* All initial requests are respected */ - if (!last_request) - return 0; - - switch (pending_request->initiator) { - case NL80211_REGDOM_SET_BY_CORE: - return 0; - case NL80211_REGDOM_SET_BY_COUNTRY_IE: - - last_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); - - if (unlikely(!is_an_alpha2(pending_request->alpha2))) - return -EINVAL; - if (last_request->initiator == - NL80211_REGDOM_SET_BY_COUNTRY_IE) { - if (last_wiphy != wiphy) { - /* - * Two cards with two APs claiming different - * Country IE alpha2s. We could - * intersect them, but that seems unlikely - * to be correct. Reject second one for now. - */ - if (regdom_changes(pending_request->alpha2)) - return -EOPNOTSUPP; - return -EALREADY; - } - /* - * Two consecutive Country IE hints on the same wiphy. - * This should be picked up early by the driver/stack - */ - if (WARN_ON(regdom_changes(pending_request->alpha2))) - return 0; - return -EALREADY; - } - return 0; - case NL80211_REGDOM_SET_BY_DRIVER: - if (last_request->initiator == NL80211_REGDOM_SET_BY_CORE) { - if (regdom_changes(pending_request->alpha2)) - return 0; - return -EALREADY; - } - - /* - * This would happen if you unplug and plug your card - * back in or if you add a new device for which the previously - * loaded card also agrees on the regulatory domain. - */ - if (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && - !regdom_changes(pending_request->alpha2)) - return -EALREADY; - - return REG_INTERSECT; - case NL80211_REGDOM_SET_BY_USER: - if (last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) - return REG_INTERSECT; - /* - * If the user knows better the user should set the regdom - * to their country before the IE is picked up - */ - if (last_request->initiator == NL80211_REGDOM_SET_BY_USER && - last_request->intersect) - return -EOPNOTSUPP; - /* - * Process user requests only after previous user/driver/core - * requests have been processed - */ - if (last_request->initiator == NL80211_REGDOM_SET_BY_CORE || - last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER || - last_request->initiator == NL80211_REGDOM_SET_BY_USER) { - if (regdom_changes(last_request->alpha2)) - return -EAGAIN; - } - - if (!regdom_changes(pending_request->alpha2)) - return -EALREADY; - - return 0; - } - - return -EINVAL; -} - -static void reg_set_request_processed(void) -{ - bool need_more_processing = false; - - last_request->processed = true; - - spin_lock(®_requests_lock); - if (!list_empty(®_requests_list)) - need_more_processing = true; - spin_unlock(®_requests_lock); - - if (last_request->initiator == NL80211_REGDOM_SET_BY_USER) - cancel_delayed_work_sync(®_timeout); - - if (need_more_processing) - schedule_work(®_work); -} - -/** - * __regulatory_hint - hint to the wireless core a regulatory domain - * @wiphy: if the hint comes from country information from an AP, this - * is required to be set to the wiphy that received the information - * @pending_request: the regulatory request currently being processed - * - * The Wireless subsystem can use this function to hint to the wireless core - * what it believes should be the current regulatory domain. - * - * Returns zero if all went fine, %-EALREADY if a regulatory domain had - * already been set or other standard error codes. - * - * Caller must hold &cfg80211_mutex and ®_mutex - */ -static int __regulatory_hint(struct wiphy *wiphy, - struct regulatory_request *pending_request) -{ - bool intersect = false; - int r = 0; - - assert_cfg80211_lock(); - - r = ignore_request(wiphy, pending_request); - - if (r == REG_INTERSECT) { - if (pending_request->initiator == - NL80211_REGDOM_SET_BY_DRIVER) { - r = reg_copy_regd(&wiphy->regd, cfg80211_regdomain); - if (r) { - kfree(pending_request); - return r; - } - } - intersect = true; - } else if (r) { - /* - * If the regulatory domain being requested by the - * driver has already been set just copy it to the - * wiphy - */ - if (r == -EALREADY && - pending_request->initiator == - NL80211_REGDOM_SET_BY_DRIVER) { - r = reg_copy_regd(&wiphy->regd, cfg80211_regdomain); - if (r) { - kfree(pending_request); - return r; - } - r = -EALREADY; - goto new_request; - } - kfree(pending_request); - return r; - } - -new_request: - kfree(last_request); - - last_request = pending_request; - last_request->intersect = intersect; - - pending_request = NULL; - - if (last_request->initiator == NL80211_REGDOM_SET_BY_USER) { - user_alpha2[0] = last_request->alpha2[0]; - user_alpha2[1] = last_request->alpha2[1]; - } - - /* When r == REG_INTERSECT we do need to call CRDA */ - if (r < 0) { - /* - * Since CRDA will not be called in this case as we already - * have applied the requested regulatory domain before we just - * inform userspace we have processed the request - */ - if (r == -EALREADY) { - nl80211_send_reg_change_event(last_request); - reg_set_request_processed(); - } - return r; - } - - return call_crda(last_request->alpha2); -} - -/* This processes *all* regulatory hints */ -static void reg_process_hint(struct regulatory_request *reg_request) -{ - int r = 0; - struct wiphy *wiphy = NULL; - enum nl80211_reg_initiator initiator = reg_request->initiator; - - BUG_ON(!reg_request->alpha2); - - if (wiphy_idx_valid(reg_request->wiphy_idx)) - wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); - - if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && - !wiphy) { - kfree(reg_request); - return; - } - - r = __regulatory_hint(wiphy, reg_request); - /* This is required so that the orig_* parameters are saved */ - if (r == -EALREADY && wiphy && - wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) { - wiphy_update_regulatory(wiphy, initiator); - return; - } - - /* - * We only time out user hints, given that they should be the only - * source of bogus requests. - */ - if (r != -EALREADY && - reg_request->initiator == NL80211_REGDOM_SET_BY_USER) - schedule_delayed_work(®_timeout, msecs_to_jiffies(3142)); -} - -/* - * Processes regulatory hints, this is all the NL80211_REGDOM_SET_BY_* - * Regulatory hints come on a first come first serve basis and we - * must process each one atomically. - */ -static void reg_process_pending_hints(void) -{ - struct regulatory_request *reg_request; - - mutex_lock(&cfg80211_mutex); - mutex_lock(®_mutex); - - /* When last_request->processed becomes true this will be rescheduled */ - if (last_request && !last_request->processed) { - REG_DBG_PRINT("Pending regulatory request, waiting " - "for it to be processed...\n"); - goto out; - } - - spin_lock(®_requests_lock); - - if (list_empty(®_requests_list)) { - spin_unlock(®_requests_lock); - goto out; - } - - reg_request = list_first_entry(®_requests_list, - struct regulatory_request, - list); - list_del_init(®_request->list); - - spin_unlock(®_requests_lock); - - reg_process_hint(reg_request); - -out: - mutex_unlock(®_mutex); - mutex_unlock(&cfg80211_mutex); -} - -/* Processes beacon hints -- this has nothing to do with country IEs */ -static void reg_process_pending_beacon_hints(void) -{ - struct cfg80211_registered_device *rdev; - struct reg_beacon *pending_beacon, *tmp; - - /* - * No need to hold the reg_mutex here as we just touch wiphys - * and do not read or access regulatory variables. - */ - mutex_lock(&cfg80211_mutex); - - /* This goes through the _pending_ beacon list */ - spin_lock_bh(®_pending_beacons_lock); - - if (list_empty(®_pending_beacons)) { - spin_unlock_bh(®_pending_beacons_lock); - goto out; - } - - list_for_each_entry_safe(pending_beacon, tmp, - ®_pending_beacons, list) { - - list_del_init(&pending_beacon->list); - - /* Applies the beacon hint to current wiphys */ - list_for_each_entry(rdev, &cfg80211_rdev_list, list) - wiphy_update_new_beacon(&rdev->wiphy, pending_beacon); - - /* Remembers the beacon hint for new wiphys or reg changes */ - list_add_tail(&pending_beacon->list, ®_beacon_list); - } - - spin_unlock_bh(®_pending_beacons_lock); -out: - mutex_unlock(&cfg80211_mutex); -} - -static void reg_todo(struct work_struct *work) -{ - reg_process_pending_hints(); - reg_process_pending_beacon_hints(); -} - -static void queue_regulatory_request(struct regulatory_request *request) -{ - if (isalpha(request->alpha2[0])) - request->alpha2[0] = toupper(request->alpha2[0]); - if (isalpha(request->alpha2[1])) - request->alpha2[1] = toupper(request->alpha2[1]); - - spin_lock(®_requests_lock); - list_add_tail(&request->list, ®_requests_list); - spin_unlock(®_requests_lock); - - schedule_work(®_work); -} - -/* - * Core regulatory hint -- happens during cfg80211_init() - * and when we restore regulatory settings. - */ -static int regulatory_hint_core(const char *alpha2) -{ - struct regulatory_request *request; - - kfree(last_request); - last_request = NULL; - - request = kzalloc(sizeof(struct regulatory_request), - GFP_KERNEL); - if (!request) - return -ENOMEM; - - request->alpha2[0] = alpha2[0]; - request->alpha2[1] = alpha2[1]; - request->initiator = NL80211_REGDOM_SET_BY_CORE; - - queue_regulatory_request(request); - - return 0; -} - -/* User hints */ -int regulatory_hint_user(const char *alpha2) -{ - struct regulatory_request *request; - - BUG_ON(!alpha2); - - request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); - if (!request) - return -ENOMEM; - - request->wiphy_idx = WIPHY_IDX_STALE; - request->alpha2[0] = alpha2[0]; - request->alpha2[1] = alpha2[1]; - request->initiator = NL80211_REGDOM_SET_BY_USER; - - queue_regulatory_request(request); - - return 0; -} - -/* Driver hints */ -int regulatory_hint(struct wiphy *wiphy, const char *alpha2) -{ - struct regulatory_request *request; - - BUG_ON(!alpha2); - BUG_ON(!wiphy); - - request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); - if (!request) - return -ENOMEM; - - request->wiphy_idx = get_wiphy_idx(wiphy); - - /* Must have registered wiphy first */ - BUG_ON(!wiphy_idx_valid(request->wiphy_idx)); - - request->alpha2[0] = alpha2[0]; - request->alpha2[1] = alpha2[1]; - request->initiator = NL80211_REGDOM_SET_BY_DRIVER; - - queue_regulatory_request(request); - - return 0; -} -EXPORT_SYMBOL(regulatory_hint); - -/* - * We hold wdev_lock() here so we cannot hold cfg80211_mutex() and - * therefore cannot iterate over the rdev list here. - */ -void regulatory_hint_11d(struct wiphy *wiphy, - enum ieee80211_band band, - u8 *country_ie, - u8 country_ie_len) -{ - char alpha2[2]; - enum environment_cap env = ENVIRON_ANY; - struct regulatory_request *request; - - mutex_lock(®_mutex); - - if (unlikely(!last_request)) - goto out; - - /* IE len must be evenly divisible by 2 */ - if (country_ie_len & 0x01) - goto out; - - if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) - goto out; - - alpha2[0] = country_ie[0]; - alpha2[1] = country_ie[1]; - - if (country_ie[2] == 'I') - env = ENVIRON_INDOOR; - else if (country_ie[2] == 'O') - env = ENVIRON_OUTDOOR; - - /* - * We will run this only upon a successful connection on cfg80211. - * We leave conflict resolution to the workqueue, where can hold - * cfg80211_mutex. - */ - if (likely(last_request->initiator == - NL80211_REGDOM_SET_BY_COUNTRY_IE && - wiphy_idx_valid(last_request->wiphy_idx))) - goto out; - - request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); - if (!request) - goto out; - - request->wiphy_idx = get_wiphy_idx(wiphy); - request->alpha2[0] = alpha2[0]; - request->alpha2[1] = alpha2[1]; - request->initiator = NL80211_REGDOM_SET_BY_COUNTRY_IE; - request->country_ie_env = env; - - mutex_unlock(®_mutex); - - queue_regulatory_request(request); - - return; - -out: - mutex_unlock(®_mutex); -} - -static void restore_alpha2(char *alpha2, bool reset_user) -{ - /* indicates there is no alpha2 to consider for restoration */ - alpha2[0] = '9'; - alpha2[1] = '7'; - - /* The user setting has precedence over the module parameter */ - if (is_user_regdom_saved()) { - /* Unless we're asked to ignore it and reset it */ - if (reset_user) { - REG_DBG_PRINT("Restoring regulatory settings " - "including user preference\n"); - user_alpha2[0] = '9'; - user_alpha2[1] = '7'; - - /* - * If we're ignoring user settings, we still need to - * check the module parameter to ensure we put things - * back as they were for a full restore. - */ - if (!is_world_regdom(ieee80211_regdom)) { - REG_DBG_PRINT("Keeping preference on " - "module parameter ieee80211_regdom: %c%c\n", - ieee80211_regdom[0], - ieee80211_regdom[1]); - alpha2[0] = ieee80211_regdom[0]; - alpha2[1] = ieee80211_regdom[1]; - } - } else { - REG_DBG_PRINT("Restoring regulatory settings " - "while preserving user preference for: %c%c\n", - user_alpha2[0], - user_alpha2[1]); - alpha2[0] = user_alpha2[0]; - alpha2[1] = user_alpha2[1]; - } - } else if (!is_world_regdom(ieee80211_regdom)) { - REG_DBG_PRINT("Keeping preference on " - "module parameter ieee80211_regdom: %c%c\n", - ieee80211_regdom[0], - ieee80211_regdom[1]); - alpha2[0] = ieee80211_regdom[0]; - alpha2[1] = ieee80211_regdom[1]; - } else - REG_DBG_PRINT("Restoring regulatory settings\n"); -} - -/* - * Restoring regulatory settings involves ingoring any - * possibly stale country IE information and user regulatory - * settings if so desired, this includes any beacon hints - * learned as we could have traveled outside to another country - * after disconnection. To restore regulatory settings we do - * exactly what we did at bootup: - * - * - send a core regulatory hint - * - send a user regulatory hint if applicable - * - * Device drivers that send a regulatory hint for a specific country - * keep their own regulatory domain on wiphy->regd so that does does - * not need to be remembered. - */ -static void restore_regulatory_settings(bool reset_user) -{ - char alpha2[2]; - struct reg_beacon *reg_beacon, *btmp; - struct regulatory_request *reg_request, *tmp; - LIST_HEAD(tmp_reg_req_list); - - mutex_lock(&cfg80211_mutex); - mutex_lock(®_mutex); - - reset_regdomains(); - restore_alpha2(alpha2, reset_user); - - /* - * If there's any pending requests we simply - * stash them to a temporary pending queue and - * add then after we've restored regulatory - * settings. - */ - spin_lock(®_requests_lock); - if (!list_empty(®_requests_list)) { - list_for_each_entry_safe(reg_request, tmp, - ®_requests_list, list) { - if (reg_request->initiator != - NL80211_REGDOM_SET_BY_USER) - continue; - list_del(®_request->list); - list_add_tail(®_request->list, &tmp_reg_req_list); - } - } - spin_unlock(®_requests_lock); - - /* Clear beacon hints */ - spin_lock_bh(®_pending_beacons_lock); - if (!list_empty(®_pending_beacons)) { - list_for_each_entry_safe(reg_beacon, btmp, - ®_pending_beacons, list) { - list_del(®_beacon->list); - kfree(reg_beacon); - } - } - spin_unlock_bh(®_pending_beacons_lock); - - if (!list_empty(®_beacon_list)) { - list_for_each_entry_safe(reg_beacon, btmp, - ®_beacon_list, list) { - list_del(®_beacon->list); - kfree(reg_beacon); - } - } - - /* First restore to the basic regulatory settings */ - cfg80211_regdomain = cfg80211_world_regdom; - - mutex_unlock(®_mutex); - mutex_unlock(&cfg80211_mutex); - - regulatory_hint_core(cfg80211_regdomain->alpha2); - - /* - * This restores the ieee80211_regdom module parameter - * preference or the last user requested regulatory - * settings, user regulatory settings takes precedence. - */ - if (is_an_alpha2(alpha2)) - regulatory_hint_user(user_alpha2); - - if (list_empty(&tmp_reg_req_list)) - return; - - mutex_lock(&cfg80211_mutex); - mutex_lock(®_mutex); - - spin_lock(®_requests_lock); - list_for_each_entry_safe(reg_request, tmp, &tmp_reg_req_list, list) { - REG_DBG_PRINT("Adding request for country %c%c back " - "into the queue\n", - reg_request->alpha2[0], - reg_request->alpha2[1]); - list_del(®_request->list); - list_add_tail(®_request->list, ®_requests_list); - } - spin_unlock(®_requests_lock); - - mutex_unlock(®_mutex); - mutex_unlock(&cfg80211_mutex); - - REG_DBG_PRINT("Kicking the queue\n"); - - schedule_work(®_work); -} - -void regulatory_hint_disconnect(void) -{ - REG_DBG_PRINT("All devices are disconnected, going to " - "restore regulatory settings\n"); - restore_regulatory_settings(false); -} - -static bool freq_is_chan_12_13_14(u16 freq) -{ - if (freq == ieee80211_channel_to_frequency(12, IEEE80211_BAND_2GHZ) || - freq == ieee80211_channel_to_frequency(13, IEEE80211_BAND_2GHZ) || - freq == ieee80211_channel_to_frequency(14, IEEE80211_BAND_2GHZ)) - return true; - return false; -} - -int regulatory_hint_found_beacon(struct wiphy *wiphy, - struct ieee80211_channel *beacon_chan, - gfp_t gfp) -{ - struct reg_beacon *reg_beacon; - - if (likely((beacon_chan->beacon_found || - (beacon_chan->flags & IEEE80211_CHAN_RADAR) || - (beacon_chan->band == IEEE80211_BAND_2GHZ && - !freq_is_chan_12_13_14(beacon_chan->center_freq))))) - return 0; - - reg_beacon = kzalloc(sizeof(struct reg_beacon), gfp); - if (!reg_beacon) - return -ENOMEM; - - REG_DBG_PRINT("Found new beacon on " - "frequency: %d MHz (Ch %d) on %s\n", - beacon_chan->center_freq, - ieee80211_frequency_to_channel(beacon_chan->center_freq), - wiphy_name(wiphy)); - - memcpy(®_beacon->chan, beacon_chan, - sizeof(struct ieee80211_channel)); - - - /* - * Since we can be called from BH or and non-BH context - * we must use spin_lock_bh() - */ - spin_lock_bh(®_pending_beacons_lock); - list_add_tail(®_beacon->list, ®_pending_beacons); - spin_unlock_bh(®_pending_beacons_lock); - - schedule_work(®_work); - - return 0; -} - -static void print_rd_rules(const struct ieee80211_regdomain *rd) -{ - unsigned int i; - const struct ieee80211_reg_rule *reg_rule = NULL; - const struct ieee80211_freq_range *freq_range = NULL; - const struct ieee80211_power_rule *power_rule = NULL; - - pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n"); - - for (i = 0; i < rd->n_reg_rules; i++) { - reg_rule = &rd->reg_rules[i]; - freq_range = ®_rule->freq_range; - power_rule = ®_rule->power_rule; - - /* - * There may not be documentation for max antenna gain - * in certain regions - */ - if (power_rule->max_antenna_gain) - pr_info(" (%d KHz - %d KHz @ %d KHz), (%d mBi, %d mBm)\n", - freq_range->start_freq_khz, - freq_range->end_freq_khz, - freq_range->max_bandwidth_khz, - power_rule->max_antenna_gain, - power_rule->max_eirp); - else - pr_info(" (%d KHz - %d KHz @ %d KHz), (N/A, %d mBm)\n", - freq_range->start_freq_khz, - freq_range->end_freq_khz, - freq_range->max_bandwidth_khz, - power_rule->max_eirp); - } -} - -static void print_regdomain(const struct ieee80211_regdomain *rd) -{ - - if (is_intersected_alpha2(rd->alpha2)) { - - if (last_request->initiator == - NL80211_REGDOM_SET_BY_COUNTRY_IE) { - struct cfg80211_registered_device *rdev; - rdev = cfg80211_rdev_by_wiphy_idx( - last_request->wiphy_idx); - if (rdev) { - pr_info("Current regulatory domain updated by AP to: %c%c\n", - rdev->country_ie_alpha2[0], - rdev->country_ie_alpha2[1]); - } else - pr_info("Current regulatory domain intersected:\n"); - } else - pr_info("Current regulatory domain intersected:\n"); - } else if (is_world_regdom(rd->alpha2)) - pr_info("World regulatory domain updated:\n"); - else { - if (is_unknown_alpha2(rd->alpha2)) - pr_info("Regulatory domain changed to driver built-in settings (unknown country)\n"); - else - pr_info("Regulatory domain changed to country: %c%c\n", - rd->alpha2[0], rd->alpha2[1]); - } - print_rd_rules(rd); -} - -static void print_regdomain_info(const struct ieee80211_regdomain *rd) -{ - pr_info("Regulatory domain: %c%c\n", rd->alpha2[0], rd->alpha2[1]); - print_rd_rules(rd); -} - -/* Takes ownership of rd only if it doesn't fail */ -static int __set_regdom(const struct ieee80211_regdomain *rd) -{ - const struct ieee80211_regdomain *intersected_rd = NULL; - struct cfg80211_registered_device *rdev = NULL; - struct wiphy *request_wiphy; - /* Some basic sanity checks first */ - - if (is_world_regdom(rd->alpha2)) { - if (WARN_ON(!reg_is_valid_request(rd->alpha2))) - return -EINVAL; - update_world_regdomain(rd); - return 0; - } - - if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && - !is_unknown_alpha2(rd->alpha2)) - return -EINVAL; - - if (!last_request) - return -EINVAL; - - /* - * Lets only bother proceeding on the same alpha2 if the current - * rd is non static (it means CRDA was present and was used last) - * and the pending request came in from a country IE - */ - if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) { - /* - * If someone else asked us to change the rd lets only bother - * checking if the alpha2 changes if CRDA was already called - */ - if (!regdom_changes(rd->alpha2)) - return -EINVAL; - } - - /* - * Now lets set the regulatory domain, update all driver channels - * and finally inform them of what we have done, in case they want - * to review or adjust their own settings based on their own - * internal EEPROM data - */ - - if (WARN_ON(!reg_is_valid_request(rd->alpha2))) - return -EINVAL; - - if (!is_valid_rd(rd)) { - pr_err("Invalid regulatory domain detected:\n"); - print_regdomain_info(rd); - return -EINVAL; - } - - request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); - - if (!last_request->intersect) { - int r; - - if (last_request->initiator != NL80211_REGDOM_SET_BY_DRIVER) { - reset_regdomains(); - cfg80211_regdomain = rd; - return 0; - } - - /* - * For a driver hint, lets copy the regulatory domain the - * driver wanted to the wiphy to deal with conflicts - */ - - /* - * Userspace could have sent two replies with only - * one kernel request. - */ - if (request_wiphy->regd) - return -EALREADY; - - r = reg_copy_regd(&request_wiphy->regd, rd); - if (r) - return r; - - reset_regdomains(); - cfg80211_regdomain = rd; - return 0; - } - - /* Intersection requires a bit more work */ - - if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) { - - intersected_rd = regdom_intersect(rd, cfg80211_regdomain); - if (!intersected_rd) - return -EINVAL; - - /* - * We can trash what CRDA provided now. - * However if a driver requested this specific regulatory - * domain we keep it for its private use - */ - if (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER) - request_wiphy->regd = rd; - else - kfree(rd); - - rd = NULL; - - reset_regdomains(); - cfg80211_regdomain = intersected_rd; - - return 0; - } - - if (!intersected_rd) - return -EINVAL; - - rdev = wiphy_to_dev(request_wiphy); - - rdev->country_ie_alpha2[0] = rd->alpha2[0]; - rdev->country_ie_alpha2[1] = rd->alpha2[1]; - rdev->env = last_request->country_ie_env; - - BUG_ON(intersected_rd == rd); - - kfree(rd); - rd = NULL; - - reset_regdomains(); - cfg80211_regdomain = intersected_rd; - - return 0; -} - - -/* - * Use this call to set the current regulatory domain. Conflicts with - * multiple drivers can be ironed out later. Caller must've already - * kmalloc'd the rd structure. Caller must hold cfg80211_mutex - */ -int set_regdom(const struct ieee80211_regdomain *rd) -{ - int r; - - assert_cfg80211_lock(); - - mutex_lock(®_mutex); - - /* Note that this doesn't update the wiphys, this is done below */ - r = __set_regdom(rd); - if (r) { - kfree(rd); - mutex_unlock(®_mutex); - return r; - } - - /* This would make this whole thing pointless */ - if (!last_request->intersect) - BUG_ON(rd != cfg80211_regdomain); - - /* update all wiphys now with the new established regulatory domain */ - update_all_wiphy_regulatory(last_request->initiator); - - print_regdomain(cfg80211_regdomain); - - nl80211_send_reg_change_event(last_request); - - reg_set_request_processed(); - - mutex_unlock(®_mutex); - - return r; -} - -#ifdef CONFIG_HOTPLUG -int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - if (last_request && !last_request->processed) { - if (add_uevent_var(env, "COUNTRY=%c%c", - last_request->alpha2[0], - last_request->alpha2[1])) - return -ENOMEM; - } - - return 0; -} -#else -int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - return -ENODEV; -} -#endif /* CONFIG_HOTPLUG */ - -/* Caller must hold cfg80211_mutex */ -void reg_device_remove(struct wiphy *wiphy) -{ - struct wiphy *request_wiphy = NULL; - - assert_cfg80211_lock(); - - mutex_lock(®_mutex); - - kfree(wiphy->regd); - - if (last_request) - request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); - - if (!request_wiphy || request_wiphy != wiphy) - goto out; - - last_request->wiphy_idx = WIPHY_IDX_STALE; - last_request->country_ie_env = ENVIRON_ANY; -out: - mutex_unlock(®_mutex); -} - -static void reg_timeout_work(struct work_struct *work) -{ - REG_DBG_PRINT("Timeout while waiting for CRDA to reply, " - "restoring regulatory settings\n"); - restore_regulatory_settings(true); -} - -int __init regulatory_init(void) -{ - int err = 0; - - reg_pdev = platform_device_register_simple("regulatory", 0, NULL, 0); - if (IS_ERR(reg_pdev)) - return PTR_ERR(reg_pdev); - - reg_pdev->dev.type = ®_device_type; - - spin_lock_init(®_requests_lock); - spin_lock_init(®_pending_beacons_lock); - - cfg80211_regdomain = cfg80211_world_regdom; - - user_alpha2[0] = '9'; - user_alpha2[1] = '7'; - - /* We always try to get an update for the static regdomain */ - err = regulatory_hint_core(cfg80211_regdomain->alpha2); - if (err) { - if (err == -ENOMEM) - return err; - /* - * N.B. kobject_uevent_env() can fail mainly for when we're out - * memory which is handled and propagated appropriately above - * but it can also fail during a netlink_broadcast() or during - * early boot for call_usermodehelper(). For now treat these - * errors as non-fatal. - */ - pr_err("kobject_uevent_env() was unable to call CRDA during init\n"); -#ifdef CONFIG_CFG80211_REG_DEBUG - /* We want to find out exactly why when debugging */ - WARN_ON(err); -#endif - } - - /* - * Finally, if the user set the module parameter treat it - * as a user hint. - */ - if (!is_world_regdom(ieee80211_regdom)) - regulatory_hint_user(ieee80211_regdom); - - return 0; -} - -void /* __init_or_exit */ regulatory_exit(void) -{ - struct regulatory_request *reg_request, *tmp; - struct reg_beacon *reg_beacon, *btmp; - - cancel_work_sync(®_work); - cancel_delayed_work_sync(®_timeout); - - mutex_lock(&cfg80211_mutex); - mutex_lock(®_mutex); - - reset_regdomains(); - - kfree(last_request); - - last_request = NULL; - dev_set_uevent_suppress(®_pdev->dev, true); - - platform_device_unregister(reg_pdev); - - spin_lock_bh(®_pending_beacons_lock); - if (!list_empty(®_pending_beacons)) { - list_for_each_entry_safe(reg_beacon, btmp, - ®_pending_beacons, list) { - list_del(®_beacon->list); - kfree(reg_beacon); - } - } - spin_unlock_bh(®_pending_beacons_lock); - - if (!list_empty(®_beacon_list)) { - list_for_each_entry_safe(reg_beacon, btmp, - ®_beacon_list, list) { - list_del(®_beacon->list); - kfree(reg_beacon); - } - } - - spin_lock(®_requests_lock); - if (!list_empty(®_requests_list)) { - list_for_each_entry_safe(reg_request, tmp, - ®_requests_list, list) { - list_del(®_request->list); - kfree(reg_request); - } - } - spin_unlock(®_requests_lock); - - mutex_unlock(®_mutex); - mutex_unlock(&cfg80211_mutex); -} diff --git a/net/wireless_ath/reg.h b/net/wireless_ath/reg.h deleted file mode 100755 index 4a56799..0000000 --- a/net/wireless_ath/reg.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef __NET_WIRELESS_REG_H -#define __NET_WIRELESS_REG_H - -extern const struct ieee80211_regdomain *cfg80211_regdomain; - -bool is_world_regdom(const char *alpha2); -bool reg_is_valid_request(const char *alpha2); - -int regulatory_hint_user(const char *alpha2); - -int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env); -void reg_device_remove(struct wiphy *wiphy); - -int __init regulatory_init(void); -void regulatory_exit(void); - -int set_regdom(const struct ieee80211_regdomain *rd); - -void regulatory_update(struct wiphy *wiphy, enum nl80211_reg_initiator setby); - -/** - * regulatory_hint_found_beacon - hints a beacon was found on a channel - * @wiphy: the wireless device where the beacon was found on - * @beacon_chan: the channel on which the beacon was found on - * @gfp: context flags - * - * This informs the wireless core that a beacon from an AP was found on - * the channel provided. This allows the wireless core to make educated - * guesses on regulatory to help with world roaming. This is only used for - * world roaming -- when we do not know our current location. This is - * only useful on channels 12, 13 and 14 on the 2 GHz band as channels - * 1-11 are already enabled by the world regulatory domain; and on - * non-radar 5 GHz channels. - * - * Drivers do not need to call this, cfg80211 will do it for after a scan - * on a newly found BSS. If you cannot make use of this feature you can - * set the wiphy->disable_beacon_hints to true. - */ -int regulatory_hint_found_beacon(struct wiphy *wiphy, - struct ieee80211_channel *beacon_chan, - gfp_t gfp); - -/** - * regulatory_hint_11d - hints a country IE as a regulatory domain - * @wiphy: the wireless device giving the hint (used only for reporting - * conflicts) - * @band: the band on which the country IE was received on. This determines - * the band we'll process the country IE channel triplets for. - * @country_ie: pointer to the country IE - * @country_ie_len: length of the country IE - * - * We will intersect the rd with the what CRDA tells us should apply - * for the alpha2 this country IE belongs to, this prevents APs from - * sending us incorrect or outdated information against a country. - * - * The AP is expected to provide Country IE channel triplets for the - * band it is on. It is technically possible for APs to send channel - * country IE triplets even for channels outside of the band they are - * in but for that they would have to use the regulatory extension - * in combination with a triplet but this behaviour is currently - * not observed. For this reason if a triplet is seen with channel - * information for a band the BSS is not present in it will be ignored. - */ -void regulatory_hint_11d(struct wiphy *wiphy, - enum ieee80211_band band, - u8 *country_ie, - u8 country_ie_len); - -/** - * regulatory_hint_disconnect - informs all devices have been disconneted - * - * Regulotory rules can be enhanced further upon scanning and upon - * connection to an AP. These rules become stale if we disconnect - * and go to another country, whether or not we suspend and resume. - * If we suspend, go to another country and resume we'll automatically - * get disconnected shortly after resuming and things will be reset as well. - * This routine is a helper to restore regulatory settings to how they were - * prior to our first connect attempt. This includes ignoring country IE and - * beacon regulatory hints. The ieee80211_regdom module parameter will always - * be respected but if a user had set the regulatory domain that will take - * precedence. - * - * Must be called from process context. - */ -void regulatory_hint_disconnect(void); - -#endif /* __NET_WIRELESS_REG_H */ diff --git a/net/wireless_ath/regdb.h b/net/wireless_ath/regdb.h deleted file mode 100755 index 818222c..0000000 --- a/net/wireless_ath/regdb.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __REGDB_H__ -#define __REGDB_H__ - -extern const struct ieee80211_regdomain *reg_regdb[]; -extern int reg_regdb_size; - -#endif /* __REGDB_H__ */ diff --git a/net/wireless_ath/scan.c b/net/wireless_ath/scan.c deleted file mode 100755 index 8f5fa19..0000000 --- a/net/wireless_ath/scan.c +++ /dev/null @@ -1,1381 +0,0 @@ -/* - * cfg80211 scan result handling - * - * Copyright 2008 Johannes Berg <johannes@sipsolutions.net> - */ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/wireless.h> -#include <linux/nl80211.h> -#include <linux/etherdevice.h> -#include <net/arp.h> -#include <net/cfg80211.h> -#include <net/cfg80211-wext.h> -#include <net/iw_handler.h> -#include "core.h" -#include "nl80211.h" -#include "wext-compat.h" - -#define IEEE80211_SCAN_RESULT_EXPIRE (15 * HZ) - -void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) -{ - struct cfg80211_scan_request *request; - struct net_device *dev; -#ifdef CONFIG_CFG80211_WEXT - union iwreq_data wrqu; -#endif - - ASSERT_RDEV_LOCK(rdev); - - request = rdev->scan_req; - - if (!request) - return; - - dev = request->dev; - - /* - * This must be before sending the other events! - * Otherwise, wpa_supplicant gets completely confused with - * wext events. - */ - cfg80211_sme_scan_done(dev); - - if (request->aborted) - nl80211_send_scan_aborted(rdev, dev); - else - nl80211_send_scan_done(rdev, dev); - -#ifdef CONFIG_CFG80211_WEXT - if (!request->aborted) { - memset(&wrqu, 0, sizeof(wrqu)); - - wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL); - } -#endif - - dev_put(dev); - - rdev->scan_req = NULL; - - /* - * OK. If this is invoked with "leak" then we can't - * free this ... but we've cleaned it up anyway. The - * driver failed to call the scan_done callback, so - * all bets are off, it might still be trying to use - * the scan request or not ... if it accesses the dev - * in there (it shouldn't anyway) then it may crash. - */ - if (!leak) - kfree(request); -} - -void __cfg80211_scan_done(struct work_struct *wk) -{ - struct cfg80211_registered_device *rdev; - - rdev = container_of(wk, struct cfg80211_registered_device, - scan_done_wk); - - cfg80211_lock_rdev(rdev); - ___cfg80211_scan_done(rdev, false); - cfg80211_unlock_rdev(rdev); -} - -void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) -{ - WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); - - request->aborted = aborted; - queue_work(cfg80211_wq, &wiphy_to_dev(request->wiphy)->scan_done_wk); -} -EXPORT_SYMBOL(cfg80211_scan_done); - -void __cfg80211_sched_scan_results(struct work_struct *wk) -{ - struct cfg80211_registered_device *rdev; - - rdev = container_of(wk, struct cfg80211_registered_device, - sched_scan_results_wk); - - mutex_lock(&rdev->sched_scan_mtx); - - /* we don't have sched_scan_req anymore if the scan is stopping */ - if (rdev->sched_scan_req) - nl80211_send_sched_scan_results(rdev, - rdev->sched_scan_req->dev); - - mutex_unlock(&rdev->sched_scan_mtx); -} - -void cfg80211_sched_scan_results(struct wiphy *wiphy) -{ - /* ignore if we're not scanning */ - if (wiphy_to_dev(wiphy)->sched_scan_req) - queue_work(cfg80211_wq, - &wiphy_to_dev(wiphy)->sched_scan_results_wk); -} -EXPORT_SYMBOL(cfg80211_sched_scan_results); - -void cfg80211_sched_scan_stopped(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - mutex_lock(&rdev->sched_scan_mtx); - __cfg80211_stop_sched_scan(rdev, true); - mutex_unlock(&rdev->sched_scan_mtx); -} -EXPORT_SYMBOL(cfg80211_sched_scan_stopped); - -int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, - bool driver_initiated) -{ - struct net_device *dev; - - lockdep_assert_held(&rdev->sched_scan_mtx); - - if (!rdev->sched_scan_req) - return -ENOENT; - - dev = rdev->sched_scan_req->dev; - - if (!driver_initiated) { - int err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev); - if (err) - return err; - } - - nl80211_send_sched_scan(rdev, dev, NL80211_CMD_SCHED_SCAN_STOPPED); - - kfree(rdev->sched_scan_req); - rdev->sched_scan_req = NULL; - - return 0; -} - -static void bss_release(struct kref *ref) -{ - struct cfg80211_internal_bss *bss; - - bss = container_of(ref, struct cfg80211_internal_bss, ref); - if (bss->pub.free_priv) - bss->pub.free_priv(&bss->pub); - - if (bss->beacon_ies_allocated) - kfree(bss->pub.beacon_ies); - if (bss->proberesp_ies_allocated) - kfree(bss->pub.proberesp_ies); - - BUG_ON(atomic_read(&bss->hold)); - - kfree(bss); -} - -/* must hold dev->bss_lock! */ -void cfg80211_bss_age(struct cfg80211_registered_device *dev, - unsigned long age_secs) -{ - struct cfg80211_internal_bss *bss; - unsigned long age_jiffies = msecs_to_jiffies(age_secs * MSEC_PER_SEC); - - list_for_each_entry(bss, &dev->bss_list, list) { - bss->ts -= age_jiffies; - } -} - -/* must hold dev->bss_lock! */ -static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *bss) -{ - list_del_init(&bss->list); - rb_erase(&bss->rbn, &dev->bss_tree); - kref_put(&bss->ref, bss_release); -} - -/* must hold dev->bss_lock! */ -void cfg80211_bss_expire(struct cfg80211_registered_device *dev) -{ - struct cfg80211_internal_bss *bss, *tmp; - bool expired = false; - - list_for_each_entry_safe(bss, tmp, &dev->bss_list, list) { - if (atomic_read(&bss->hold)) - continue; - if (!time_after(jiffies, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE)) - continue; - __cfg80211_unlink_bss(dev, bss); - expired = true; - } - - if (expired) - dev->bss_generation++; -} - -/* must hold dev->bss_lock! */ -void cfg80211_bss_expire_all(struct cfg80211_registered_device *dev) -{ - struct cfg80211_internal_bss *bss, *tmp; - bool expired = false; - - printk("%s() Enter - steven", __func__); - - list_for_each_entry_safe(bss, tmp, &dev->bss_list, list) { - __cfg80211_unlink_bss(dev, bss); - expired = true; - } - - if (expired) - dev->bss_generation++; -} - -const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len) -{ - while (len > 2 && ies[0] != eid) { - len -= ies[1] + 2; - ies += ies[1] + 2; - } - if (len < 2) - return NULL; - if (len < 2 + ies[1]) - return NULL; - return ies; -} -EXPORT_SYMBOL(cfg80211_find_ie); - -const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type, - const u8 *ies, int len) -{ - struct ieee80211_vendor_ie *ie; - const u8 *pos = ies, *end = ies + len; - int ie_oui; - - while (pos < end) { - pos = cfg80211_find_ie(WLAN_EID_VENDOR_SPECIFIC, pos, - end - pos); - if (!pos) - return NULL; - - if (end - pos < sizeof(*ie)) - return NULL; - - ie = (struct ieee80211_vendor_ie *)pos; - ie_oui = ie->oui[0] << 16 | ie->oui[1] << 8 | ie->oui[2]; - if (ie_oui == oui && ie->oui_type == oui_type) - return pos; - - pos += 2 + ie->len; - } - return NULL; -} -EXPORT_SYMBOL(cfg80211_find_vendor_ie); - -static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2) -{ - const u8 *ie1 = cfg80211_find_ie(num, ies1, len1); - const u8 *ie2 = cfg80211_find_ie(num, ies2, len2); - - /* equal if both missing */ - if (!ie1 && !ie2) - return 0; - /* sort missing IE before (left of) present IE */ - if (!ie1) - return -1; - if (!ie2) - return 1; - - /* sort by length first, then by contents */ - if (ie1[1] != ie2[1]) - return ie2[1] - ie1[1]; - return memcmp(ie1 + 2, ie2 + 2, ie1[1]); -} - -static bool is_bss(struct cfg80211_bss *a, - const u8 *bssid, - const u8 *ssid, size_t ssid_len) -{ - const u8 *ssidie; - - if (bssid && compare_ether_addr(a->bssid, bssid)) - return false; - - if (!ssid) - return true; - - ssidie = cfg80211_find_ie(WLAN_EID_SSID, - a->information_elements, - a->len_information_elements); - if (!ssidie) - return false; - if (ssidie[1] != ssid_len) - return false; - return memcmp(ssidie + 2, ssid, ssid_len) == 0; -} - -static bool is_mesh_bss(struct cfg80211_bss *a) -{ - const u8 *ie; - - if (!WLAN_CAPABILITY_IS_STA_BSS(a->capability)) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_ID, - a->information_elements, - a->len_information_elements); - if (!ie) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_CONFIG, - a->information_elements, - a->len_information_elements); - if (!ie) - return false; - - return true; -} - -static bool is_mesh(struct cfg80211_bss *a, - const u8 *meshid, size_t meshidlen, - const u8 *meshcfg) -{ - const u8 *ie; - - if (!WLAN_CAPABILITY_IS_STA_BSS(a->capability)) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_ID, - a->information_elements, - a->len_information_elements); - if (!ie) - return false; - if (ie[1] != meshidlen) - return false; - if (memcmp(ie + 2, meshid, meshidlen)) - return false; - - ie = cfg80211_find_ie(WLAN_EID_MESH_CONFIG, - a->information_elements, - a->len_information_elements); - if (!ie) - return false; - if (ie[1] != sizeof(struct ieee80211_meshconf_ie)) - return false; - - /* - * Ignore mesh capability (last two bytes of the IE) when - * comparing since that may differ between stations taking - * part in the same mesh. - */ - return memcmp(ie + 2, meshcfg, - sizeof(struct ieee80211_meshconf_ie) - 2) == 0; -} - -static int cmp_bss_core(struct cfg80211_bss *a, - struct cfg80211_bss *b) -{ - int r; - - if (a->channel != b->channel) - return b->channel->center_freq - a->channel->center_freq; - - if (is_mesh_bss(a) && is_mesh_bss(b)) { - r = cmp_ies(WLAN_EID_MESH_ID, - a->information_elements, - a->len_information_elements, - b->information_elements, - b->len_information_elements); - if (r) - return r; - return cmp_ies(WLAN_EID_MESH_CONFIG, - a->information_elements, - a->len_information_elements, - b->information_elements, - b->len_information_elements); - } - - return memcmp(a->bssid, b->bssid, ETH_ALEN); -} - -static int cmp_bss(struct cfg80211_bss *a, - struct cfg80211_bss *b) -{ - int r; - - r = cmp_bss_core(a, b); - if (r) - return r; - - return cmp_ies(WLAN_EID_SSID, - a->information_elements, - a->len_information_elements, - b->information_elements, - b->len_information_elements); -} - -static int cmp_hidden_bss(struct cfg80211_bss *a, - struct cfg80211_bss *b) -{ - const u8 *ie1; - const u8 *ie2; - int i; - int r; - - r = cmp_bss_core(a, b); - if (r) - return r; - - ie1 = cfg80211_find_ie(WLAN_EID_SSID, - a->information_elements, - a->len_information_elements); - ie2 = cfg80211_find_ie(WLAN_EID_SSID, - b->information_elements, - b->len_information_elements); - - /* Key comparator must use same algorithm in any rb-tree - * search function (order is important), otherwise ordering - * of items in the tree is broken and search gives incorrect - * results. This code uses same order as cmp_ies() does. */ - - /* sort missing IE before (left of) present IE */ - if (!ie1) - return -1; - if (!ie2) - return 1; - - /* zero-size SSID is used as an indication of the hidden bss */ - if (!ie2[1]) - return 0; - - /* sort by length first, then by contents */ - if (ie1[1] != ie2[1]) - return ie2[1] - ie1[1]; - - /* zeroed SSID ie is another indication of a hidden bss */ - for (i = 0; i < ie2[1]; i++) - if (ie2[i + 2]) - return -1; - - return 0; -} - -struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, - struct ieee80211_channel *channel, - const u8 *bssid, - const u8 *ssid, size_t ssid_len, - u16 capa_mask, u16 capa_val) -{ - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); - struct cfg80211_internal_bss *bss, *res = NULL; - unsigned long now = jiffies; - - spin_lock_bh(&dev->bss_lock); - - list_for_each_entry(bss, &dev->bss_list, list) { - if ((bss->pub.capability & capa_mask) != capa_val) - continue; - if (channel && bss->pub.channel != channel) - continue; - /* Don't get expired BSS structs */ - if (time_after(now, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE) && - !atomic_read(&bss->hold)) - continue; - if (is_bss(&bss->pub, bssid, ssid, ssid_len)) { - res = bss; - kref_get(&res->ref); - break; - } - } - - spin_unlock_bh(&dev->bss_lock); - if (!res) - return NULL; - return &res->pub; -} -EXPORT_SYMBOL(cfg80211_get_bss); - -struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy, - struct ieee80211_channel *channel, - const u8 *meshid, size_t meshidlen, - const u8 *meshcfg) -{ - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); - struct cfg80211_internal_bss *bss, *res = NULL; - - spin_lock_bh(&dev->bss_lock); - - list_for_each_entry(bss, &dev->bss_list, list) { - if (channel && bss->pub.channel != channel) - continue; - if (is_mesh(&bss->pub, meshid, meshidlen, meshcfg)) { - res = bss; - kref_get(&res->ref); - break; - } - } - - spin_unlock_bh(&dev->bss_lock); - if (!res) - return NULL; - return &res->pub; -} -EXPORT_SYMBOL(cfg80211_get_mesh); - - -static void rb_insert_bss(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *bss) -{ - struct rb_node **p = &dev->bss_tree.rb_node; - struct rb_node *parent = NULL; - struct cfg80211_internal_bss *tbss; - int cmp; - - while (*p) { - parent = *p; - tbss = rb_entry(parent, struct cfg80211_internal_bss, rbn); - - cmp = cmp_bss(&bss->pub, &tbss->pub); - - if (WARN_ON(!cmp)) { - /* will sort of leak this BSS */ - return; - } - - if (cmp < 0) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&bss->rbn, parent, p); - rb_insert_color(&bss->rbn, &dev->bss_tree); -} - -static struct cfg80211_internal_bss * -rb_find_bss(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *res) -{ - struct rb_node *n = dev->bss_tree.rb_node; - struct cfg80211_internal_bss *bss; - int r; - - while (n) { - bss = rb_entry(n, struct cfg80211_internal_bss, rbn); - r = cmp_bss(&res->pub, &bss->pub); - - if (r == 0) - return bss; - else if (r < 0) - n = n->rb_left; - else - n = n->rb_right; - } - - return NULL; -} - -static struct cfg80211_internal_bss * -rb_find_hidden_bss(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *res) -{ - struct rb_node *n = dev->bss_tree.rb_node; - struct cfg80211_internal_bss *bss; - int r; - - while (n) { - bss = rb_entry(n, struct cfg80211_internal_bss, rbn); - r = cmp_hidden_bss(&res->pub, &bss->pub); - - if (r == 0) - return bss; - else if (r < 0) - n = n->rb_left; - else - n = n->rb_right; - } - - return NULL; -} - -static void -copy_hidden_ies(struct cfg80211_internal_bss *res, - struct cfg80211_internal_bss *hidden) -{ - if (unlikely(res->pub.beacon_ies)) - return; - if (WARN_ON(!hidden->pub.beacon_ies)) - return; - - res->pub.beacon_ies = kmalloc(hidden->pub.len_beacon_ies, GFP_ATOMIC); - if (unlikely(!res->pub.beacon_ies)) - return; - - res->beacon_ies_allocated = true; - res->pub.len_beacon_ies = hidden->pub.len_beacon_ies; - memcpy(res->pub.beacon_ies, hidden->pub.beacon_ies, - res->pub.len_beacon_ies); -} - -static struct cfg80211_internal_bss * -cfg80211_bss_update(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *res) -{ - struct cfg80211_internal_bss *found = NULL; - - /* - * The reference to "res" is donated to this function. - */ - - if (WARN_ON(!res->pub.channel)) { - kref_put(&res->ref, bss_release); - return NULL; - } - - res->ts = jiffies; - - spin_lock_bh(&dev->bss_lock); - - found = rb_find_bss(dev, res); - - if (found) { - found->pub.beacon_interval = res->pub.beacon_interval; - found->pub.tsf = res->pub.tsf; - found->pub.signal = res->pub.signal; - found->pub.capability = res->pub.capability; - found->ts = res->ts; - - /* Update IEs */ - if (res->pub.proberesp_ies) { - size_t used = dev->wiphy.bss_priv_size + sizeof(*res); - size_t ielen = res->pub.len_proberesp_ies; - -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28) - if (0) { - used = 0; /* just to shut up the compiler */ -#else - if (found->pub.proberesp_ies && - !found->proberesp_ies_allocated && - ksize(found) >= used + ielen) { -#endif - memcpy(found->pub.proberesp_ies, - res->pub.proberesp_ies, ielen); - found->pub.len_proberesp_ies = ielen; - } else { - u8 *ies = found->pub.proberesp_ies; - - if (found->proberesp_ies_allocated) - ies = krealloc(ies, ielen, GFP_ATOMIC); - else - ies = kmalloc(ielen, GFP_ATOMIC); - - if (ies) { - memcpy(ies, res->pub.proberesp_ies, - ielen); - found->proberesp_ies_allocated = true; - found->pub.proberesp_ies = ies; - found->pub.len_proberesp_ies = ielen; - } - } - - /* Override possible earlier Beacon frame IEs */ - found->pub.information_elements = - found->pub.proberesp_ies; - found->pub.len_information_elements = - found->pub.len_proberesp_ies; - } - if (res->pub.beacon_ies) { - size_t used = dev->wiphy.bss_priv_size + sizeof(*res); - size_t ielen = res->pub.len_beacon_ies; - bool information_elements_is_beacon_ies = - (found->pub.information_elements == - found->pub.beacon_ies); - -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28) - if (0) { - used = 0; /* just to shut up the compiler */ -#else - if (found->pub.beacon_ies && - !found->beacon_ies_allocated && - ksize(found) >= used + ielen) { -#endif - memcpy(found->pub.beacon_ies, - res->pub.beacon_ies, ielen); - found->pub.len_beacon_ies = ielen; - } else { - u8 *ies = found->pub.beacon_ies; - - if (found->beacon_ies_allocated) - ies = krealloc(ies, ielen, GFP_ATOMIC); - else - ies = kmalloc(ielen, GFP_ATOMIC); - - if (ies) { - memcpy(ies, res->pub.beacon_ies, - ielen); - found->beacon_ies_allocated = true; - found->pub.beacon_ies = ies; - found->pub.len_beacon_ies = ielen; - } - } - - /* Override IEs if they were from a beacon before */ - if (information_elements_is_beacon_ies) { - found->pub.information_elements = - found->pub.beacon_ies; - found->pub.len_information_elements = - found->pub.len_beacon_ies; - } - } - - kref_put(&res->ref, bss_release); - } else { - struct cfg80211_internal_bss *hidden; - - /* First check if the beacon is a probe response from - * a hidden bss. If so, copy beacon ies (with nullified - * ssid) into the probe response bss entry (with real ssid). - * It is required basically for PSM implementation - * (probe responses do not contain tim ie) */ - - /* TODO: The code is not trying to update existing probe - * response bss entries when beacon ies are - * getting changed. */ - hidden = rb_find_hidden_bss(dev, res); - if (hidden) - copy_hidden_ies(res, hidden); - - /* this "consumes" the reference */ - list_add_tail(&res->list, &dev->bss_list); - rb_insert_bss(dev, res); - found = res; - } - - dev->bss_generation++; - spin_unlock_bh(&dev->bss_lock); - - kref_get(&found->ref); - return found; -} - -struct cfg80211_bss* -cfg80211_inform_bss(struct wiphy *wiphy, - struct ieee80211_channel *channel, - const u8 *bssid, - u64 timestamp, u16 capability, u16 beacon_interval, - const u8 *ie, size_t ielen, - s32 signal, gfp_t gfp) -{ - struct cfg80211_internal_bss *res; - size_t privsz; - - if (WARN_ON(!wiphy)) - return NULL; - - privsz = wiphy->bss_priv_size; - - if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC && - (signal < 0 || signal > 100))) - return NULL; - - res = kzalloc(sizeof(*res) + privsz + ielen, gfp); - if (!res) - return NULL; - - memcpy(res->pub.bssid, bssid, ETH_ALEN); - res->pub.channel = channel; - res->pub.signal = signal; - res->pub.tsf = timestamp; - res->pub.beacon_interval = beacon_interval; - res->pub.capability = capability; - /* - * Since we do not know here whether the IEs are from a Beacon or Probe - * Response frame, we need to pick one of the options and only use it - * with the driver that does not provide the full Beacon/Probe Response - * frame. Use Beacon frame pointer to avoid indicating that this should - * override the information_elements pointer should we have received an - * earlier indication of Probe Response data. - * - * The initial buffer for the IEs is allocated with the BSS entry and - * is located after the private area. - */ - res->pub.beacon_ies = (u8 *)res + sizeof(*res) + privsz; - memcpy(res->pub.beacon_ies, ie, ielen); - res->pub.len_beacon_ies = ielen; - res->pub.information_elements = res->pub.beacon_ies; - res->pub.len_information_elements = res->pub.len_beacon_ies; - - kref_init(&res->ref); - - res = cfg80211_bss_update(wiphy_to_dev(wiphy), res); - if (!res) - return NULL; - - if (res->pub.capability & WLAN_CAPABILITY_ESS) - regulatory_hint_found_beacon(wiphy, channel, gfp); - - /* cfg80211_bss_update gives us a referenced result */ - return &res->pub; -} -EXPORT_SYMBOL(cfg80211_inform_bss); - -struct cfg80211_bss * -cfg80211_inform_bss_frame(struct wiphy *wiphy, - struct ieee80211_channel *channel, - struct ieee80211_mgmt *mgmt, size_t len, - s32 signal, gfp_t gfp) -{ - struct cfg80211_internal_bss *res; - size_t ielen = len - offsetof(struct ieee80211_mgmt, - u.probe_resp.variable); - size_t privsz; - - if (WARN_ON(!mgmt)) - return NULL; - - if (WARN_ON(!wiphy)) - return NULL; - - if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC && - (signal < 0 || signal > 100))) - return NULL; - - if (WARN_ON(len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable))) - return NULL; - - privsz = wiphy->bss_priv_size; - - res = kzalloc(sizeof(*res) + privsz + ielen, gfp); - if (!res) - return NULL; - - memcpy(res->pub.bssid, mgmt->bssid, ETH_ALEN); - res->pub.channel = channel; - res->pub.signal = signal; - res->pub.tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp); - res->pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int); - res->pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info); - /* - * The initial buffer for the IEs is allocated with the BSS entry and - * is located after the private area. - */ - if (ieee80211_is_probe_resp(mgmt->frame_control)) { - res->pub.proberesp_ies = (u8 *) res + sizeof(*res) + privsz; - memcpy(res->pub.proberesp_ies, mgmt->u.probe_resp.variable, - ielen); - res->pub.len_proberesp_ies = ielen; - res->pub.information_elements = res->pub.proberesp_ies; - res->pub.len_information_elements = res->pub.len_proberesp_ies; - } else { - res->pub.beacon_ies = (u8 *) res + sizeof(*res) + privsz; - memcpy(res->pub.beacon_ies, mgmt->u.beacon.variable, ielen); - res->pub.len_beacon_ies = ielen; - res->pub.information_elements = res->pub.beacon_ies; - res->pub.len_information_elements = res->pub.len_beacon_ies; - } - - kref_init(&res->ref); - - res = cfg80211_bss_update(wiphy_to_dev(wiphy), res); - if (!res) - return NULL; - - if (res->pub.capability & WLAN_CAPABILITY_ESS) - regulatory_hint_found_beacon(wiphy, channel, gfp); - - /* cfg80211_bss_update gives us a referenced result */ - return &res->pub; -} -EXPORT_SYMBOL(cfg80211_inform_bss_frame); - -void cfg80211_put_bss(struct cfg80211_bss *pub) -{ - struct cfg80211_internal_bss *bss; - - if (!pub) - return; - - bss = container_of(pub, struct cfg80211_internal_bss, pub); - kref_put(&bss->ref, bss_release); -} -EXPORT_SYMBOL(cfg80211_put_bss); - -void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) -{ - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); - struct cfg80211_internal_bss *bss; - - if (WARN_ON(!pub)) - return; - - bss = container_of(pub, struct cfg80211_internal_bss, pub); - - spin_lock_bh(&dev->bss_lock); - if (!list_empty(&bss->list)) { - __cfg80211_unlink_bss(dev, bss); - dev->bss_generation++; - } - spin_unlock_bh(&dev->bss_lock); -} -EXPORT_SYMBOL(cfg80211_unlink_bss); - -void cfg80211_unlink_allbss(struct wiphy *wiphy) -{ - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); - - printk("%s() Enter - steven", __func__); - - spin_lock_bh(&dev->bss_lock); - cfg80211_bss_expire_all(dev); - spin_unlock_bh(&dev->bss_lock); -} -EXPORT_SYMBOL(cfg80211_unlink_allbss); - -#ifdef CONFIG_CFG80211_WEXT -int cfg80211_wext_siwscan(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct cfg80211_registered_device *rdev; - struct wiphy *wiphy; - struct iw_scan_req *wreq = NULL; - struct cfg80211_scan_request *creq = NULL; - int i, err, n_channels = 0; - enum ieee80211_band band; - - if (!netif_running(dev)) - return -ENETDOWN; - - if (wrqu->data.length == sizeof(struct iw_scan_req)) - wreq = (struct iw_scan_req *)extra; - - rdev = cfg80211_get_dev_from_ifindex(dev_net(dev), dev->ifindex); - - if (IS_ERR(rdev)) - return PTR_ERR(rdev); - - if (rdev->scan_req) { - err = -EBUSY; - goto out; - } - - wiphy = &rdev->wiphy; - - /* Determine number of channels, needed to allocate creq */ - if (wreq && wreq->num_channels) - n_channels = wreq->num_channels; - else { - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - n_channels += wiphy->bands[band]->n_channels; - } - - creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + - n_channels * sizeof(void *), - GFP_ATOMIC); - if (!creq) { - err = -ENOMEM; - goto out; - } - - creq->wiphy = wiphy; - creq->dev = dev; - /* SSIDs come after channels */ - creq->ssids = (void *)&creq->channels[n_channels]; - creq->n_channels = n_channels; - creq->n_ssids = 1; - - /* translate "Scan on frequencies" request */ - i = 0; - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - int j; - - if (!wiphy->bands[band]) - continue; - - for (j = 0; j < wiphy->bands[band]->n_channels; j++) { - /* ignore disabled channels */ - if (wiphy->bands[band]->channels[j].flags & - IEEE80211_CHAN_DISABLED) - continue; - - /* If we have a wireless request structure and the - * wireless request specifies frequencies, then search - * for the matching hardware channel. - */ - if (wreq && wreq->num_channels) { - int k; - int wiphy_freq = wiphy->bands[band]->channels[j].center_freq; - for (k = 0; k < wreq->num_channels; k++) { - int wext_freq = cfg80211_wext_freq(wiphy, &wreq->channel_list[k]); - if (wext_freq == wiphy_freq) - goto wext_freq_found; - } - goto wext_freq_not_found; - } - - wext_freq_found: - creq->channels[i] = &wiphy->bands[band]->channels[j]; - i++; - wext_freq_not_found: ; - } - } - /* No channels found? */ - if (!i) { - err = -EINVAL; - goto out; - } - - /* Set real number of channels specified in creq->channels[] */ - creq->n_channels = i; - - /* translate "Scan for SSID" request */ - if (wreq) { - if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { - if (wreq->essid_len > IEEE80211_MAX_SSID_LEN) { - err = -EINVAL; - goto out; - } - memcpy(creq->ssids[0].ssid, wreq->essid, wreq->essid_len); - creq->ssids[0].ssid_len = wreq->essid_len; - } - if (wreq->scan_type == IW_SCAN_TYPE_PASSIVE) - creq->n_ssids = 0; - } - - for (i = 0; i < IEEE80211_NUM_BANDS; i++) - if (wiphy->bands[i]) - creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; - - rdev->scan_req = creq; - err = rdev->ops->scan(wiphy, dev, creq); - if (err) { - rdev->scan_req = NULL; - /* creq will be freed below */ - } else { - nl80211_send_scan_start(rdev, dev); - /* creq now owned by driver */ - creq = NULL; - dev_hold(dev); - } - out: - kfree(creq); - cfg80211_unlock_rdev(rdev); - return err; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan); - -static void ieee80211_scan_add_ies(struct iw_request_info *info, - struct cfg80211_bss *bss, - char **current_ev, char *end_buf) -{ - u8 *pos, *end, *next; - struct iw_event iwe; - - if (!bss->information_elements || - !bss->len_information_elements) - return; - - /* - * If needed, fragment the IEs buffer (at IE boundaries) into short - * enough fragments to fit into IW_GENERIC_IE_MAX octet messages. - */ - pos = bss->information_elements; - end = pos + bss->len_information_elements; - - while (end - pos > IW_GENERIC_IE_MAX) { - next = pos + 2 + pos[1]; - while (next + 2 + next[1] - pos < IW_GENERIC_IE_MAX) - next = next + 2 + next[1]; - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = next - pos; - *current_ev = iwe_stream_add_point(info, *current_ev, - end_buf, &iwe, pos); - - pos = next; - } - - if (end > pos) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = end - pos; - *current_ev = iwe_stream_add_point(info, *current_ev, - end_buf, &iwe, pos); - } -} - -static inline unsigned int elapsed_jiffies_msecs(unsigned long start) -{ - unsigned long end = jiffies; - - if (end >= start) - return jiffies_to_msecs(end - start); - - return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); -} - -static char * -ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, - struct cfg80211_internal_bss *bss, char *current_ev, - char *end_buf) -{ - struct iw_event iwe; - u8 *buf, *cfg, *p; - u8 *ie = bss->pub.information_elements; - int rem = bss->pub.len_information_elements, i, sig; - bool ismesh = false; - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, bss->pub.bssid, ETH_ALEN); - current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, - IW_EV_ADDR_LEN); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = ieee80211_frequency_to_channel(bss->pub.channel->center_freq); - iwe.u.freq.e = 0; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, - IW_EV_FREQ_LEN); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = bss->pub.channel->center_freq; - iwe.u.freq.e = 6; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, - IW_EV_FREQ_LEN); - - if (wiphy->signal_type != CFG80211_SIGNAL_TYPE_NONE) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVQUAL; - iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED | - IW_QUAL_NOISE_INVALID | - IW_QUAL_QUAL_UPDATED; - switch (wiphy->signal_type) { - case CFG80211_SIGNAL_TYPE_MBM: - sig = bss->pub.signal / 100; - iwe.u.qual.level = sig; - iwe.u.qual.updated |= IW_QUAL_DBM; - if (sig < -110) /* rather bad */ - sig = -110; - else if (sig > -40) /* perfect */ - sig = -40; - /* will give a range of 0 .. 70 */ - iwe.u.qual.qual = sig + 110; - break; - case CFG80211_SIGNAL_TYPE_UNSPEC: - iwe.u.qual.level = bss->pub.signal; - /* will give range 0 .. 100 */ - iwe.u.qual.qual = bss->pub.signal; - break; - default: - /* not reached */ - break; - } - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_QUAL_LEN); - } - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWENCODE; - if (bss->pub.capability & WLAN_CAPABILITY_PRIVACY) - iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - iwe.u.data.length = 0; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, ""); - - while (rem >= 2) { - /* invalid data */ - if (ie[1] > rem - 2) - break; - - switch (ie[0]) { - case WLAN_EID_SSID: - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = ie[1]; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, ie + 2); - break; - case WLAN_EID_MESH_ID: - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = ie[1]; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, ie + 2); - break; - case WLAN_EID_MESH_CONFIG: - ismesh = true; - if (ie[1] != sizeof(struct ieee80211_meshconf_ie)) - break; - buf = kmalloc(50, GFP_ATOMIC); - if (!buf) - break; - cfg = ie + 2; - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "Mesh Network Path Selection Protocol ID: " - "0x%02X", cfg[0]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - sprintf(buf, "Path Selection Metric ID: 0x%02X", - cfg[1]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - sprintf(buf, "Congestion Control Mode ID: 0x%02X", - cfg[2]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - sprintf(buf, "Synchronization ID: 0x%02X", cfg[3]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - sprintf(buf, "Authentication ID: 0x%02X", cfg[4]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - sprintf(buf, "Formation Info: 0x%02X", cfg[5]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - sprintf(buf, "Capabilities: 0x%02X", cfg[6]); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, - &iwe, buf); - kfree(buf); - break; - case WLAN_EID_SUPP_RATES: - case WLAN_EID_EXT_SUPP_RATES: - /* display all supported rates in readable format */ - p = current_ev + iwe_stream_lcp_len(info); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWRATE; - /* Those two flags are ignored... */ - iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; - - for (i = 0; i < ie[1]; i++) { - iwe.u.bitrate.value = - ((ie[i + 2] & 0x7f) * 500000); - p = iwe_stream_add_value(info, current_ev, p, - end_buf, &iwe, IW_EV_PARAM_LEN); - } - current_ev = p; - break; - } - rem -= ie[1] + 2; - ie += ie[1] + 2; - } - - if (bss->pub.capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS) || - ismesh) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWMODE; - if (ismesh) - iwe.u.mode = IW_MODE_MESH; - else if (bss->pub.capability & WLAN_CAPABILITY_ESS) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_ADHOC; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_UINT_LEN); - } - - buf = kmalloc(30, GFP_ATOMIC); - if (buf) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->pub.tsf)); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, buf); - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, " Last beacon: %ums ago", - elapsed_jiffies_msecs(bss->ts)); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, &iwe, buf); - kfree(buf); - } - - ieee80211_scan_add_ies(info, &bss->pub, ¤t_ev, end_buf); - - return current_ev; -} - - -static int ieee80211_scan_results(struct cfg80211_registered_device *dev, - struct iw_request_info *info, - char *buf, size_t len) -{ - char *current_ev = buf; - char *end_buf = buf + len; - struct cfg80211_internal_bss *bss; - - spin_lock_bh(&dev->bss_lock); - cfg80211_bss_expire(dev); - - list_for_each_entry(bss, &dev->bss_list, list) { - if (buf + len - current_ev <= IW_EV_ADDR_LEN) { - spin_unlock_bh(&dev->bss_lock); - return -E2BIG; - } - current_ev = ieee80211_bss(&dev->wiphy, info, bss, - current_ev, end_buf); - } - spin_unlock_bh(&dev->bss_lock); - return current_ev - buf; -} - - -int cfg80211_wext_giwscan(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct cfg80211_registered_device *rdev; - int res; - - if (!netif_running(dev)) - return -ENETDOWN; - - rdev = cfg80211_get_dev_from_ifindex(dev_net(dev), dev->ifindex); - - if (IS_ERR(rdev)) - return PTR_ERR(rdev); - - if (rdev->scan_req) { - res = -EAGAIN; - goto out; - } - - res = ieee80211_scan_results(rdev, info, extra, data->length); - data->length = 0; - if (res >= 0) { - data->length = res; - res = 0; - } - - out: - cfg80211_unlock_rdev(rdev); - return res; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan); -#endif diff --git a/net/wireless_ath/sme.c b/net/wireless_ath/sme.c deleted file mode 100755 index 38d3248..0000000 --- a/net/wireless_ath/sme.c +++ /dev/null @@ -1,1041 +0,0 @@ -/* - * SME code for cfg80211's connect emulation. - * - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * Copyright (C) 2009 Intel Corporation. All rights reserved. - */ - -#include <linux/etherdevice.h> -#include <linux/if_arp.h> -#include <linux/slab.h> -#include <linux/workqueue.h> -#include <linux/wireless.h> -#include <linux/export.h> -#include <net/iw_handler.h> -#include <net/cfg80211.h> -#include <net/rtnetlink.h> -#include "nl80211.h" -#include "reg.h" - -struct cfg80211_conn { - struct cfg80211_connect_params params; - /* these are sub-states of the _CONNECTING sme_state */ - enum { - CFG80211_CONN_IDLE, - CFG80211_CONN_SCANNING, - CFG80211_CONN_SCAN_AGAIN, - CFG80211_CONN_AUTHENTICATE_NEXT, - CFG80211_CONN_AUTHENTICATING, - CFG80211_CONN_ASSOCIATE_NEXT, - CFG80211_CONN_ASSOCIATING, - CFG80211_CONN_DEAUTH_ASSOC_FAIL, - } state; - u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; - u8 *ie; - size_t ie_len; - bool auto_auth, prev_bssid_valid; -}; - -static bool cfg80211_is_all_idle(void) -{ - struct cfg80211_registered_device *rdev; - struct wireless_dev *wdev; - bool is_all_idle = true; - - mutex_lock(&cfg80211_mutex); - - /* - * All devices must be idle as otherwise if you are actively - * scanning some new beacon hints could be learned and would - * count as new regulatory hints. - */ - list_for_each_entry(rdev, &cfg80211_rdev_list, list) { - cfg80211_lock_rdev(rdev); - list_for_each_entry(wdev, &rdev->netdev_list, list) { - wdev_lock(wdev); - if (wdev->sme_state != CFG80211_SME_IDLE) - is_all_idle = false; - wdev_unlock(wdev); - } - cfg80211_unlock_rdev(rdev); - } - - mutex_unlock(&cfg80211_mutex); - - return is_all_idle; -} - -static void disconnect_work(struct work_struct *work) -{ - if (!cfg80211_is_all_idle()) - return; - - regulatory_hint_disconnect(); -} - -static DECLARE_WORK(cfg80211_disconnect_work, disconnect_work); - -static int cfg80211_conn_scan(struct wireless_dev *wdev) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_scan_request *request; - int n_channels, err; - - ASSERT_RTNL(); - ASSERT_RDEV_LOCK(rdev); - ASSERT_WDEV_LOCK(wdev); - - if (rdev->scan_req) - return -EBUSY; - - if (wdev->conn->params.channel) { - n_channels = 1; - } else { - enum ieee80211_band band; - n_channels = 0; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!wdev->wiphy->bands[band]) - continue; - n_channels += wdev->wiphy->bands[band]->n_channels; - } - } - request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) + - sizeof(request->channels[0]) * n_channels, - GFP_KERNEL); - if (!request) - return -ENOMEM; - - if (wdev->conn->params.channel) - request->channels[0] = wdev->conn->params.channel; - else { - int i = 0, j; - enum ieee80211_band band; - struct ieee80211_supported_band *bands; - struct ieee80211_channel *channel; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - bands = wdev->wiphy->bands[band]; - if (!bands) - continue; - for (j = 0; j < bands->n_channels; j++) { - channel = &bands->channels[j]; - if (channel->flags & IEEE80211_CHAN_DISABLED) - continue; - request->channels[i++] = channel; - } - request->rates[band] = (1 << bands->n_bitrates) - 1; - } - n_channels = i; - } - request->n_channels = n_channels; - request->ssids = (void *)&request->channels[n_channels]; - request->n_ssids = 1; - - memcpy(request->ssids[0].ssid, wdev->conn->params.ssid, - wdev->conn->params.ssid_len); - request->ssids[0].ssid_len = wdev->conn->params.ssid_len; - - request->dev = wdev->netdev; - request->wiphy = &rdev->wiphy; - - rdev->scan_req = request; - - err = rdev->ops->scan(wdev->wiphy, wdev->netdev, request); - if (!err) { - wdev->conn->state = CFG80211_CONN_SCANNING; - nl80211_send_scan_start(rdev, wdev->netdev); - dev_hold(wdev->netdev); - } else { - rdev->scan_req = NULL; - kfree(request); - } - return err; -} - -static int cfg80211_conn_do_work(struct wireless_dev *wdev) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_connect_params *params; - const u8 *prev_bssid = NULL; - int err; - - ASSERT_WDEV_LOCK(wdev); - - if (!wdev->conn) - return 0; - - params = &wdev->conn->params; - - switch (wdev->conn->state) { - case CFG80211_CONN_SCAN_AGAIN: - return cfg80211_conn_scan(wdev); - case CFG80211_CONN_AUTHENTICATE_NEXT: - BUG_ON(!rdev->ops->auth); - wdev->conn->state = CFG80211_CONN_AUTHENTICATING; - return __cfg80211_mlme_auth(rdev, wdev->netdev, - params->channel, params->auth_type, - params->bssid, - params->ssid, params->ssid_len, - NULL, 0, - params->key, params->key_len, - params->key_idx, false); - case CFG80211_CONN_ASSOCIATE_NEXT: - BUG_ON(!rdev->ops->assoc); - wdev->conn->state = CFG80211_CONN_ASSOCIATING; - if (wdev->conn->prev_bssid_valid) - prev_bssid = wdev->conn->prev_bssid; - err = __cfg80211_mlme_assoc(rdev, wdev->netdev, - params->channel, params->bssid, - prev_bssid, - params->ssid, params->ssid_len, - params->ie, params->ie_len, - false, ¶ms->crypto); - if (err) - __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, - NULL, 0, - WLAN_REASON_DEAUTH_LEAVING, - false); - return err; - case CFG80211_CONN_DEAUTH_ASSOC_FAIL: - __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, - NULL, 0, - WLAN_REASON_DEAUTH_LEAVING, false); - /* return an error so that we call __cfg80211_connect_result() */ - return -EINVAL; - default: - return 0; - } -} - -void cfg80211_conn_work(struct work_struct *work) -{ - struct cfg80211_registered_device *rdev = - container_of(work, struct cfg80211_registered_device, conn_work); - struct wireless_dev *wdev; - u8 bssid_buf[ETH_ALEN], *bssid = NULL; - - rtnl_lock(); - cfg80211_lock_rdev(rdev); - mutex_lock(&rdev->devlist_mtx); - - list_for_each_entry(wdev, &rdev->netdev_list, list) { - wdev_lock(wdev); - if (!netif_running(wdev->netdev)) { - wdev_unlock(wdev); - continue; - } - if (wdev->sme_state != CFG80211_SME_CONNECTING) { - wdev_unlock(wdev); - continue; - } - if (wdev->conn->params.bssid) { - memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN); - bssid = bssid_buf; - } - if (cfg80211_conn_do_work(wdev)) - __cfg80211_connect_result( - wdev->netdev, bssid, - NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - false, NULL); - wdev_unlock(wdev); - } - - mutex_unlock(&rdev->devlist_mtx); - cfg80211_unlock_rdev(rdev); - rtnl_unlock(); -} - -static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_bss *bss; - u16 capa = WLAN_CAPABILITY_ESS; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->conn->params.privacy) - capa |= WLAN_CAPABILITY_PRIVACY; - - bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel, - wdev->conn->params.bssid, - wdev->conn->params.ssid, - wdev->conn->params.ssid_len, - WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY, - capa); - if (!bss) - return NULL; - - memcpy(wdev->conn->bssid, bss->bssid, ETH_ALEN); - wdev->conn->params.bssid = wdev->conn->bssid; - wdev->conn->params.channel = bss->channel; - wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; - schedule_work(&rdev->conn_work); - - return bss; -} - -static void __cfg80211_sme_scan_done(struct net_device *dev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_bss *bss; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->sme_state != CFG80211_SME_CONNECTING) - return; - - if (!wdev->conn) - return; - - if (wdev->conn->state != CFG80211_CONN_SCANNING && - wdev->conn->state != CFG80211_CONN_SCAN_AGAIN) - return; - - bss = cfg80211_get_conn_bss(wdev); - if (bss) { - cfg80211_put_bss(bss); - } else { - /* not found */ - if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN) - schedule_work(&rdev->conn_work); - else - __cfg80211_connect_result( - wdev->netdev, - wdev->conn->params.bssid, - NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - false, NULL); - } -} - -void cfg80211_sme_scan_done(struct net_device *dev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - mutex_lock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); - wdev_lock(wdev); - __cfg80211_sme_scan_done(dev); - wdev_unlock(wdev); - mutex_unlock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); -} - -void cfg80211_sme_rx_auth(struct net_device *dev, - const u8 *buf, size_t len) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; - u16 status_code = le16_to_cpu(mgmt->u.auth.status_code); - - ASSERT_WDEV_LOCK(wdev); - - /* should only RX auth frames when connecting */ - if (wdev->sme_state != CFG80211_SME_CONNECTING) - return; - - if (WARN_ON(!wdev->conn)) - return; - - if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG && - wdev->conn->auto_auth && - wdev->conn->params.auth_type != NL80211_AUTHTYPE_NETWORK_EAP) { - /* select automatically between only open, shared, leap */ - switch (wdev->conn->params.auth_type) { - case NL80211_AUTHTYPE_OPEN_SYSTEM: - if (wdev->connect_keys) - wdev->conn->params.auth_type = - NL80211_AUTHTYPE_SHARED_KEY; - else - wdev->conn->params.auth_type = - NL80211_AUTHTYPE_NETWORK_EAP; - break; - case NL80211_AUTHTYPE_SHARED_KEY: - wdev->conn->params.auth_type = - NL80211_AUTHTYPE_NETWORK_EAP; - break; - default: - /* huh? */ - wdev->conn->params.auth_type = - NL80211_AUTHTYPE_OPEN_SYSTEM; - break; - } - wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; - schedule_work(&rdev->conn_work); - } else if (status_code != WLAN_STATUS_SUCCESS) { - __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, - status_code, false, NULL); - } else if (wdev->sme_state == CFG80211_SME_CONNECTING && - wdev->conn->state == CFG80211_CONN_AUTHENTICATING) { - wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT; - schedule_work(&rdev->conn_work); - } -} - -bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev) -{ - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - if (WARN_ON(!wdev->conn)) - return false; - - if (!wdev->conn->prev_bssid_valid) - return false; - - /* - * Some stupid APs don't accept reassoc, so we - * need to fall back to trying regular assoc. - */ - wdev->conn->prev_bssid_valid = false; - wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT; - schedule_work(&rdev->conn_work); - - return true; -} - -void cfg80211_sme_failed_assoc(struct wireless_dev *wdev) -{ - struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - wdev->conn->state = CFG80211_CONN_DEAUTH_ASSOC_FAIL; - schedule_work(&rdev->conn_work); -} - -void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, - u16 status, bool wextev, - struct cfg80211_bss *bss) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - u8 *country_ie; -#ifdef CONFIG_CFG80211_WEXT - union iwreq_data wrqu; -#endif - - ASSERT_WDEV_LOCK(wdev); - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) - return; - - if (wdev->sme_state != CFG80211_SME_CONNECTING) - return; - - nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev, - bssid, req_ie, req_ie_len, - resp_ie, resp_ie_len, - status, GFP_KERNEL); - -#ifdef CONFIG_CFG80211_WEXT - if (wextev) { - if (req_ie && status == WLAN_STATUS_SUCCESS) { - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = req_ie_len; - wireless_send_event(dev, IWEVASSOCREQIE, &wrqu, req_ie); - } - - if (resp_ie && status == WLAN_STATUS_SUCCESS) { - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = resp_ie_len; - wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie); - } - - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - if (bssid && status == WLAN_STATUS_SUCCESS) { - memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN); - memcpy(wdev->wext.prev_bssid, bssid, ETH_ALEN); - wdev->wext.prev_bssid_valid = true; - } - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); - } -#endif - - if (wdev->current_bss) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - wdev->current_bss = NULL; - } - - if (wdev->conn) - wdev->conn->state = CFG80211_CONN_IDLE; - - if (status != WLAN_STATUS_SUCCESS) { - wdev->sme_state = CFG80211_SME_IDLE; - if (wdev->conn) - kfree(wdev->conn->ie); - kfree(wdev->conn); - wdev->conn = NULL; - kfree(wdev->connect_keys); - wdev->connect_keys = NULL; - wdev->ssid_len = 0; - return; - } - - if (!bss) - bss = cfg80211_get_bss(wdev->wiphy, - wdev->conn ? wdev->conn->params.channel : - NULL, - bssid, - wdev->ssid, wdev->ssid_len, - WLAN_CAPABILITY_ESS, - WLAN_CAPABILITY_ESS); - - if (WARN_ON(!bss)) - return; - - cfg80211_hold_bss(bss_from_pub(bss)); - wdev->current_bss = bss_from_pub(bss); - - wdev->sme_state = CFG80211_SME_CONNECTED; - cfg80211_upload_connect_keys(wdev); - - country_ie = (u8 *) ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY); - - if (!country_ie) - return; - - /* - * ieee80211_bss_get_ie() ensures we can access: - * - country_ie + 2, the start of the country ie data, and - * - and country_ie[1] which is the IE length - */ - regulatory_hint_11d(wdev->wiphy, - bss->channel->band, - country_ie + 2, - country_ie[1]); -} - -void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, - u16 status, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_event *ev; - unsigned long flags; - - CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING); - - ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp); - if (!ev) - return; - - ev->type = EVENT_CONNECT_RESULT; - if (bssid) - memcpy(ev->cr.bssid, bssid, ETH_ALEN); - if (req_ie_len) { - ev->cr.req_ie = ((u8 *)ev) + sizeof(*ev); - ev->cr.req_ie_len = req_ie_len; - memcpy((void *)ev->cr.req_ie, req_ie, req_ie_len); - } - if (resp_ie_len) { - ev->cr.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len; - ev->cr.resp_ie_len = resp_ie_len; - memcpy((void *)ev->cr.resp_ie, resp_ie, resp_ie_len); - } - ev->cr.status = status; - - spin_lock_irqsave(&wdev->event_lock, flags); - list_add_tail(&ev->list, &wdev->event_list); - spin_unlock_irqrestore(&wdev->event_lock, flags); - queue_work(cfg80211_wq, &rdev->event_work); -} -EXPORT_SYMBOL(cfg80211_connect_result); - -void __cfg80211_roamed(struct wireless_dev *wdev, - struct cfg80211_bss *bss, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len) -{ -#ifdef CONFIG_CFG80211_WEXT - union iwreq_data wrqu; -#endif - ASSERT_WDEV_LOCK(wdev); - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) - goto out; - - if (wdev->sme_state != CFG80211_SME_CONNECTED) - goto out; - - /* internal error -- how did we get to CONNECTED w/o BSS? */ - if (WARN_ON(!wdev->current_bss)) { - goto out; - } - - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - wdev->current_bss = NULL; - - cfg80211_hold_bss(bss_from_pub(bss)); - wdev->current_bss = bss_from_pub(bss); - - nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bss->bssid, - req_ie, req_ie_len, resp_ie, resp_ie_len, - GFP_KERNEL); - -#ifdef CONFIG_CFG80211_WEXT - if (req_ie) { - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = req_ie_len; - wireless_send_event(wdev->netdev, IWEVASSOCREQIE, - &wrqu, req_ie); - } - - if (resp_ie) { - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = resp_ie_len; - wireless_send_event(wdev->netdev, IWEVASSOCRESPIE, - &wrqu, resp_ie); - } - - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN); - memcpy(wdev->wext.prev_bssid, bss->bssid, ETH_ALEN); - wdev->wext.prev_bssid_valid = true; - wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL); -#endif - - return; -out: - cfg80211_put_bss(bss); -} - -void cfg80211_roamed(struct net_device *dev, - struct ieee80211_channel *channel, - const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, - const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_bss *bss; - - CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED); - - bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, wdev->ssid, - wdev->ssid_len, WLAN_CAPABILITY_ESS, - WLAN_CAPABILITY_ESS); - if (WARN_ON(!bss)) - return; - - cfg80211_roamed_bss(dev, bss, req_ie, req_ie_len, resp_ie, - resp_ie_len, gfp); -} -EXPORT_SYMBOL(cfg80211_roamed); - -void cfg80211_roamed_bss(struct net_device *dev, - struct cfg80211_bss *bss, const u8 *req_ie, - size_t req_ie_len, const u8 *resp_ie, - size_t resp_ie_len, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_event *ev; - unsigned long flags; - - CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED); - - if (WARN_ON(!bss)) - return; - - ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp); - if (!ev) { - cfg80211_put_bss(bss); - return; - } - - ev->type = EVENT_ROAMED; - ev->rm.req_ie = ((u8 *)ev) + sizeof(*ev); - ev->rm.req_ie_len = req_ie_len; - memcpy((void *)ev->rm.req_ie, req_ie, req_ie_len); - ev->rm.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len; - ev->rm.resp_ie_len = resp_ie_len; - memcpy((void *)ev->rm.resp_ie, resp_ie, resp_ie_len); - ev->rm.bss = bss; - - spin_lock_irqsave(&wdev->event_lock, flags); - list_add_tail(&ev->list, &wdev->event_list); - spin_unlock_irqrestore(&wdev->event_lock, flags); - queue_work(cfg80211_wq, &rdev->event_work); -} -EXPORT_SYMBOL(cfg80211_roamed_bss); - -void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, - size_t ie_len, u16 reason, bool from_ap) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - int i; -#ifdef CONFIG_CFG80211_WEXT - union iwreq_data wrqu; -#endif - - ASSERT_WDEV_LOCK(wdev); - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) - return; - - if (wdev->sme_state != CFG80211_SME_CONNECTED) - return; - - if (wdev->current_bss) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - } - - wdev->current_bss = NULL; - wdev->sme_state = CFG80211_SME_IDLE; - wdev->ssid_len = 0; - - if (wdev->conn) { - const u8 *bssid; - int ret; - - kfree(wdev->conn->ie); - wdev->conn->ie = NULL; - kfree(wdev->conn); - wdev->conn = NULL; - - /* - * If this disconnect was due to a disassoc, we - * we might still have an auth BSS around. For - * the userspace SME that's currently expected, - * but for the kernel SME (nl80211 CONNECT or - * wireless extensions) we want to clear up all - * state. - */ - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (!wdev->auth_bsses[i]) - continue; - bssid = wdev->auth_bsses[i]->pub.bssid; - ret = __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0, - WLAN_REASON_DEAUTH_LEAVING, - false); - WARN(ret, "deauth failed: %d\n", ret); - } - } - - nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap); - - /* - * Delete all the keys ... pairwise keys can't really - * exist any more anyway, but default keys might. - */ - if (rdev->ops->del_key) - for (i = 0; i < 6; i++) - rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL); - -#ifdef CONFIG_CFG80211_WEXT - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); - wdev->wext.connect.ssid_len = 0; -#endif - - schedule_work(&cfg80211_disconnect_work); -} - -void cfg80211_disconnected(struct net_device *dev, u16 reason, - u8 *ie, size_t ie_len, gfp_t gfp) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_event *ev; - unsigned long flags; - - CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED); - - ev = kzalloc(sizeof(*ev) + ie_len, gfp); - if (!ev) - return; - - ev->type = EVENT_DISCONNECTED; - ev->dc.ie = ((u8 *)ev) + sizeof(*ev); - ev->dc.ie_len = ie_len; - memcpy((void *)ev->dc.ie, ie, ie_len); - ev->dc.reason = reason; - - spin_lock_irqsave(&wdev->event_lock, flags); - list_add_tail(&ev->list, &wdev->event_list); - spin_unlock_irqrestore(&wdev->event_lock, flags); - queue_work(cfg80211_wq, &rdev->event_work); -} -EXPORT_SYMBOL(cfg80211_disconnected); - -int __cfg80211_connect(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_connect_params *connect, - struct cfg80211_cached_keys *connkeys, - const u8 *prev_bssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_bss *bss = NULL; - int err; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->sme_state != CFG80211_SME_IDLE) - return -EALREADY; - - if (WARN_ON(wdev->connect_keys)) { - kfree(wdev->connect_keys); - wdev->connect_keys = NULL; - } - - if (connkeys && connkeys->def >= 0) { - int idx; - u32 cipher; - - idx = connkeys->def; - cipher = connkeys->params[idx].cipher; - /* If given a WEP key we may need it for shared key auth */ - if (cipher == WLAN_CIPHER_SUITE_WEP40 || - cipher == WLAN_CIPHER_SUITE_WEP104) { - connect->key_idx = idx; - connect->key = connkeys->params[idx].key; - connect->key_len = connkeys->params[idx].key_len; - - /* - * If ciphers are not set (e.g. when going through - * iwconfig), we have to set them appropriately here. - */ - if (connect->crypto.cipher_group == 0) - connect->crypto.cipher_group = cipher; - - if (connect->crypto.n_ciphers_pairwise == 0) { - connect->crypto.n_ciphers_pairwise = 1; - connect->crypto.ciphers_pairwise[0] = cipher; - } - } - } - - if (!rdev->ops->connect) { - if (!rdev->ops->auth || !rdev->ops->assoc) - return -EOPNOTSUPP; - - if (WARN_ON(wdev->conn)) - return -EINPROGRESS; - - wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL); - if (!wdev->conn) - return -ENOMEM; - - /* - * Copy all parameters, and treat explicitly IEs, BSSID, SSID. - */ - memcpy(&wdev->conn->params, connect, sizeof(*connect)); - if (connect->bssid) { - wdev->conn->params.bssid = wdev->conn->bssid; - memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN); - } - - if (connect->ie) { - wdev->conn->ie = kmemdup(connect->ie, connect->ie_len, - GFP_KERNEL); - wdev->conn->params.ie = wdev->conn->ie; - if (!wdev->conn->ie) { - kfree(wdev->conn); - wdev->conn = NULL; - return -ENOMEM; - } - } - - if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { - wdev->conn->auto_auth = true; - /* start with open system ... should mostly work */ - wdev->conn->params.auth_type = - NL80211_AUTHTYPE_OPEN_SYSTEM; - } else { - wdev->conn->auto_auth = false; - } - - memcpy(wdev->ssid, connect->ssid, connect->ssid_len); - wdev->ssid_len = connect->ssid_len; - wdev->conn->params.ssid = wdev->ssid; - wdev->conn->params.ssid_len = connect->ssid_len; - - /* see if we have the bss already */ - bss = cfg80211_get_conn_bss(wdev); - - wdev->sme_state = CFG80211_SME_CONNECTING; - wdev->connect_keys = connkeys; - - if (prev_bssid) { - memcpy(wdev->conn->prev_bssid, prev_bssid, ETH_ALEN); - wdev->conn->prev_bssid_valid = true; - } - - /* we're good if we have a matching bss struct */ - if (bss) { - wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; - err = cfg80211_conn_do_work(wdev); - cfg80211_put_bss(bss); - } else { - /* otherwise we'll need to scan for the AP first */ - err = cfg80211_conn_scan(wdev); - /* - * If we can't scan right now, then we need to scan again - * after the current scan finished, since the parameters - * changed (unless we find a good AP anyway). - */ - if (err == -EBUSY) { - err = 0; - wdev->conn->state = CFG80211_CONN_SCAN_AGAIN; - } - } - if (err) { - kfree(wdev->conn->ie); - kfree(wdev->conn); - wdev->conn = NULL; - wdev->sme_state = CFG80211_SME_IDLE; - wdev->connect_keys = NULL; - wdev->ssid_len = 0; - } - - return err; - } else { - wdev->sme_state = CFG80211_SME_CONNECTING; - wdev->connect_keys = connkeys; - err = rdev->ops->connect(&rdev->wiphy, dev, connect); - if (err) { - wdev->connect_keys = NULL; - wdev->sme_state = CFG80211_SME_IDLE; - return err; - } - - memcpy(wdev->ssid, connect->ssid, connect->ssid_len); - wdev->ssid_len = connect->ssid_len; - - return 0; - } -} - -int cfg80211_connect(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_connect_params *connect, - struct cfg80211_cached_keys *connkeys) -{ - int err; - - mutex_lock(&rdev->devlist_mtx); - wdev_lock(dev->ieee80211_ptr); - err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL); - wdev_unlock(dev->ieee80211_ptr); - mutex_unlock(&rdev->devlist_mtx); - - return err; -} - -int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, - struct net_device *dev, u16 reason, bool wextev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->sme_state == CFG80211_SME_IDLE) - return -EINVAL; - - kfree(wdev->connect_keys); - wdev->connect_keys = NULL; - - if (!rdev->ops->disconnect) { - if (!rdev->ops->deauth) - return -EOPNOTSUPP; - - /* was it connected by userspace SME? */ - if (!wdev->conn) { - cfg80211_mlme_down(rdev, dev); - return 0; - } - - if (wdev->sme_state == CFG80211_SME_CONNECTING && - (wdev->conn->state == CFG80211_CONN_SCANNING || - wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) { - wdev->sme_state = CFG80211_SME_IDLE; - kfree(wdev->conn->ie); - kfree(wdev->conn); - wdev->conn = NULL; - wdev->ssid_len = 0; - return 0; - } - - /* wdev->conn->params.bssid must be set if > SCANNING */ - err = __cfg80211_mlme_deauth(rdev, dev, - wdev->conn->params.bssid, - NULL, 0, reason, false); - if (err) - return err; - } else { - err = rdev->ops->disconnect(&rdev->wiphy, dev, reason); - if (err) - return err; - } - - if (wdev->sme_state == CFG80211_SME_CONNECTED) - __cfg80211_disconnected(dev, NULL, 0, 0, false); - else if (wdev->sme_state == CFG80211_SME_CONNECTING) - __cfg80211_connect_result(dev, NULL, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - wextev, NULL); - - return 0; -} - -int cfg80211_disconnect(struct cfg80211_registered_device *rdev, - struct net_device *dev, - u16 reason, bool wextev) -{ - int err; - - wdev_lock(dev->ieee80211_ptr); - err = __cfg80211_disconnect(rdev, dev, reason, wextev); - wdev_unlock(dev->ieee80211_ptr); - - return err; -} - -void cfg80211_sme_disassoc(struct net_device *dev, int idx) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u8 bssid[ETH_ALEN]; - - ASSERT_WDEV_LOCK(wdev); - - if (!wdev->conn) - return; - - if (wdev->conn->state == CFG80211_CONN_IDLE) - return; - - /* - * Ok, so the association was made by this SME -- we don't - * want it any more so deauthenticate too. - */ - - if (!wdev->auth_bsses[idx]) - return; - - memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN); - if (__cfg80211_mlme_deauth(rdev, dev, bssid, - NULL, 0, WLAN_REASON_DEAUTH_LEAVING, - false)) { - /* whatever -- assume gone anyway */ - cfg80211_unhold_bss(wdev->auth_bsses[idx]); - cfg80211_put_bss(&wdev->auth_bsses[idx]->pub); - wdev->auth_bsses[idx] = NULL; - } -} diff --git a/net/wireless_ath/sysfs.c b/net/wireless_ath/sysfs.c deleted file mode 100755 index 2f8af6e..0000000 --- a/net/wireless_ath/sysfs.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * This file provides /sys/class/ieee80211/<wiphy name>/ - * and some default attributes. - * - * Copyright 2005-2006 Jiri Benc <jbenc@suse.cz> - * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> - * - * This file is GPLv2 as found in COPYING. - */ - -#include <linux/device.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/nl80211.h> -#include <linux/rtnetlink.h> -#include <net/cfg80211.h> -#include "sysfs.h" -#include "core.h" - -static inline struct cfg80211_registered_device *dev_to_rdev( - struct device *dev) -{ - return container_of(dev, struct cfg80211_registered_device, wiphy.dev); -} - -#define SHOW_FMT(name, fmt, member) \ -static ssize_t name ## _show(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \ -} - -SHOW_FMT(index, "%d", wiphy_idx); -SHOW_FMT(macaddress, "%pM", wiphy.perm_addr); -SHOW_FMT(address_mask, "%pM", wiphy.addr_mask); - -static ssize_t name_show(struct device *dev, - struct device_attribute *attr, - char *buf) { - struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; - return sprintf(buf, "%s\n", dev_name(&wiphy->dev)); -} - - -static ssize_t addresses_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; - char *start = buf; - int i; - - if (!wiphy->addresses) - return sprintf(buf, "%pM\n", wiphy->perm_addr); - - for (i = 0; i < wiphy->n_addresses; i++) - buf += sprintf(buf, "%pM\n", &wiphy->addresses[i].addr); - - return buf - start; -} - -static struct device_attribute ieee80211_dev_attrs[] = { - __ATTR_RO(index), - __ATTR_RO(macaddress), - __ATTR_RO(address_mask), - __ATTR_RO(addresses), - __ATTR_RO(name), - {} -}; - -static void wiphy_dev_release(struct device *dev) -{ - struct cfg80211_registered_device *rdev = dev_to_rdev(dev); - - cfg80211_dev_free(rdev); -} - -#ifdef CONFIG_HOTPLUG -static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - /* TODO, we probably need stuff here */ - return 0; -} -#endif - -static int wiphy_suspend(struct device *dev, pm_message_t state) -{ - struct cfg80211_registered_device *rdev = dev_to_rdev(dev); - int ret = 0; - - rdev->suspend_at = get_seconds(); - - if (rdev->ops->suspend) { - rtnl_lock(); - if (rdev->wiphy.registered) - ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan); - rtnl_unlock(); - } - - return ret; -} - -static int wiphy_resume(struct device *dev) -{ - struct cfg80211_registered_device *rdev = dev_to_rdev(dev); - int ret = 0; - - /* Age scan results with time spent in suspend */ - spin_lock_bh(&rdev->bss_lock); - cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at); - spin_unlock_bh(&rdev->bss_lock); - - if (rdev->ops->resume) { - rtnl_lock(); - if (rdev->wiphy.registered) - ret = rdev->ops->resume(&rdev->wiphy); - rtnl_unlock(); - } - - return ret; -} - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) -static const void *wiphy_namespace(struct device *d) -{ - struct wiphy *wiphy = container_of(d, struct wiphy, dev); - - return wiphy_net(wiphy); -} -#endif - -struct class ieee80211_class = { - .name = "ieee80211", - .owner = THIS_MODULE, - .dev_release = wiphy_dev_release, - .dev_attrs = ieee80211_dev_attrs, -#ifdef CONFIG_HOTPLUG - .dev_uevent = wiphy_uevent, -#endif - .suspend = wiphy_suspend, - .resume = wiphy_resume, -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) - .ns_type = &net_ns_type_operations, - .namespace = wiphy_namespace, -#endif -}; - -int wiphy_sysfs_init(void) -{ - return class_register(&ieee80211_class); -} - -void wiphy_sysfs_exit(void) -{ - class_unregister(&ieee80211_class); -} diff --git a/net/wireless_ath/sysfs.h b/net/wireless_ath/sysfs.h deleted file mode 100755 index 65acbeb..0000000 --- a/net/wireless_ath/sysfs.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef __WIRELESS_SYSFS_H -#define __WIRELESS_SYSFS_H - -extern int wiphy_sysfs_init(void); -extern void wiphy_sysfs_exit(void); - -extern struct class ieee80211_class; - -#endif /* __WIRELESS_SYSFS_H */ diff --git a/net/wireless_ath/util.c b/net/wireless_ath/util.c deleted file mode 100755 index a7c53d9..0000000 --- a/net/wireless_ath/util.c +++ /dev/null @@ -1,1219 +0,0 @@ -/* - * Wireless utility functions - * - * Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net> - */ -#include <linux/export.h> -#include <linux/bitops.h> -#include <linux/etherdevice.h> -#include <linux/slab.h> -#include <linux/crc32.h> -#include <net/cfg80211.h> -#include <net/ip.h> -#include "core.h" - -struct ieee80211_rate * -ieee80211_get_response_rate(struct ieee80211_supported_band *sband, - u32 basic_rates, int bitrate) -{ - struct ieee80211_rate *result = &sband->bitrates[0]; - int i; - - for (i = 0; i < sband->n_bitrates; i++) { - if (!(basic_rates & BIT(i))) - continue; - if (sband->bitrates[i].bitrate > bitrate) - continue; - result = &sband->bitrates[i]; - } - - return result; -} -EXPORT_SYMBOL(ieee80211_get_response_rate); - -int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band) -{ - /* see 802.11 17.3.8.3.2 and Annex J - * there are overlapping channel numbers in 5GHz and 2GHz bands */ - if (band == IEEE80211_BAND_5GHZ) { - if (chan >= 182 && chan <= 196) - return 4000 + chan * 5; - else - return 5000 + chan * 5; - } else { /* IEEE80211_BAND_2GHZ */ - if (chan == 14) - return 2484; - else if (chan < 14) - return 2407 + chan * 5; - else - return 0; /* not supported */ - } -} -EXPORT_SYMBOL(ieee80211_channel_to_frequency); - -int ieee80211_frequency_to_channel(int freq) -{ - /* see 802.11 17.3.8.3.2 and Annex J */ - if (freq == 2484) - return 14; - else if (freq < 2484) - return (freq - 2407) / 5; - else if (freq >= 4910 && freq <= 4980) - return (freq - 4000) / 5; - else - return (freq - 5000) / 5; -} -EXPORT_SYMBOL(ieee80211_frequency_to_channel); - -struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, - int freq) -{ - enum ieee80211_band band; - struct ieee80211_supported_band *sband; - int i; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - sband = wiphy->bands[band]; - - if (!sband) - continue; - - for (i = 0; i < sband->n_channels; i++) { - if (sband->channels[i].center_freq == freq) - return &sband->channels[i]; - } - } - - return NULL; -} -EXPORT_SYMBOL(__ieee80211_get_channel); - -static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, - enum ieee80211_band band) -{ - int i, want; - - switch (band) { - case IEEE80211_BAND_5GHZ: - want = 3; - for (i = 0; i < sband->n_bitrates; i++) { - if (sband->bitrates[i].bitrate == 60 || - sband->bitrates[i].bitrate == 120 || - sband->bitrates[i].bitrate == 240) { - sband->bitrates[i].flags |= - IEEE80211_RATE_MANDATORY_A; - want--; - } - } - WARN_ON(want); - break; - case IEEE80211_BAND_2GHZ: - want = 7; - for (i = 0; i < sband->n_bitrates; i++) { - if (sband->bitrates[i].bitrate == 10) { - sband->bitrates[i].flags |= - IEEE80211_RATE_MANDATORY_B | - IEEE80211_RATE_MANDATORY_G; - want--; - } - - if (sband->bitrates[i].bitrate == 20 || - sband->bitrates[i].bitrate == 55 || - sband->bitrates[i].bitrate == 110 || - sband->bitrates[i].bitrate == 60 || - sband->bitrates[i].bitrate == 120 || - sband->bitrates[i].bitrate == 240) { - sband->bitrates[i].flags |= - IEEE80211_RATE_MANDATORY_G; - want--; - } - - if (sband->bitrates[i].bitrate != 10 && - sband->bitrates[i].bitrate != 20 && - sband->bitrates[i].bitrate != 55 && - sband->bitrates[i].bitrate != 110) - sband->bitrates[i].flags |= - IEEE80211_RATE_ERP_G; - } - WARN_ON(want != 0 && want != 3 && want != 6); - break; - case IEEE80211_NUM_BANDS: - WARN_ON(1); - break; - } -} - -void ieee80211_set_bitrate_flags(struct wiphy *wiphy) -{ - enum ieee80211_band band; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - set_mandatory_flags_band(wiphy->bands[band], band); -} - -bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher) -{ - int i; - for (i = 0; i < wiphy->n_cipher_suites; i++) - if (cipher == wiphy->cipher_suites[i]) - return true; - return false; -} - -int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, - struct key_params *params, int key_idx, - bool pairwise, const u8 *mac_addr) -{ - if (key_idx > 5) - return -EINVAL; - - if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) - return -EINVAL; - - if (pairwise && !mac_addr) - return -EINVAL; - - /* - * Disallow pairwise keys with non-zero index unless it's WEP - * or a vendor specific cipher (because current deployments use - * pairwise WEP keys with non-zero indices and for vendor specific - * ciphers this should be validated in the driver or hardware level - * - but 802.11i clearly specifies to use zero) - */ - if (pairwise && key_idx && - ((params->cipher == WLAN_CIPHER_SUITE_TKIP) || - (params->cipher == WLAN_CIPHER_SUITE_CCMP) || - (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC))) - return -EINVAL; - - switch (params->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - if (params->key_len != WLAN_KEY_LEN_WEP40) - return -EINVAL; - break; - case WLAN_CIPHER_SUITE_TKIP: - if (params->key_len != WLAN_KEY_LEN_TKIP) - return -EINVAL; - break; - case WLAN_CIPHER_SUITE_CCMP: - if (params->key_len != WLAN_KEY_LEN_CCMP) - return -EINVAL; - break; - case WLAN_CIPHER_SUITE_WEP104: - if (params->key_len != WLAN_KEY_LEN_WEP104) - return -EINVAL; - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - if (params->key_len != WLAN_KEY_LEN_AES_CMAC) - return -EINVAL; - break; - default: - /* - * We don't know anything about this algorithm, - * allow using it -- but the driver must check - * all parameters! We still check below whether - * or not the driver supports this algorithm, - * of course. - */ - break; - } - - if (params->seq) { - switch (params->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - /* These ciphers do not use key sequence */ - return -EINVAL; - case WLAN_CIPHER_SUITE_TKIP: - case WLAN_CIPHER_SUITE_CCMP: - case WLAN_CIPHER_SUITE_AES_CMAC: - if (params->seq_len != 6) - return -EINVAL; - break; - } - } - - if (!cfg80211_supported_cipher_suite(&rdev->wiphy, params->cipher)) - return -EINVAL; - - return 0; -} - -/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ -/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ -const unsigned char rfc1042_header[] __aligned(2) = - { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; -EXPORT_SYMBOL(rfc1042_header); - -/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ -const unsigned char bridge_tunnel_header[] __aligned(2) = - { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -EXPORT_SYMBOL(bridge_tunnel_header); - -unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc) -{ - unsigned int hdrlen = 24; - - if (ieee80211_is_data(fc)) { - if (ieee80211_has_a4(fc)) - hdrlen = 30; - if (ieee80211_is_data_qos(fc)) { - hdrlen += IEEE80211_QOS_CTL_LEN; - if (ieee80211_has_order(fc)) - hdrlen += IEEE80211_HT_CTL_LEN; - } - goto out; - } - - if (ieee80211_is_ctl(fc)) { - /* - * ACK and CTS are 10 bytes, all others 16. To see how - * to get this condition consider - * subtype mask: 0b0000000011110000 (0x00F0) - * ACK subtype: 0b0000000011010000 (0x00D0) - * CTS subtype: 0b0000000011000000 (0x00C0) - * bits that matter: ^^^ (0x00E0) - * value of those: 0b0000000011000000 (0x00C0) - */ - if ((fc & cpu_to_le16(0x00E0)) == cpu_to_le16(0x00C0)) - hdrlen = 10; - else - hdrlen = 16; - } -out: - return hdrlen; -} -EXPORT_SYMBOL(ieee80211_hdrlen); - -unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb) -{ - const struct ieee80211_hdr *hdr = - (const struct ieee80211_hdr *)skb->data; - unsigned int hdrlen; - - if (unlikely(skb->len < 10)) - return 0; - hdrlen = ieee80211_hdrlen(hdr->frame_control); - if (unlikely(hdrlen > skb->len)) - return 0; - return hdrlen; -} -EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); - -static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) -{ - int ae = meshhdr->flags & MESH_FLAGS_AE; - /* 7.1.3.5a.2 */ - switch (ae) { - case 0: - return 6; - case MESH_FLAGS_AE_A4: - return 12; - case MESH_FLAGS_AE_A5_A6: - return 18; - case (MESH_FLAGS_AE_A4 | MESH_FLAGS_AE_A5_A6): - return 24; - default: - return 6; - } -} - -int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, - enum nl80211_iftype iftype) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 hdrlen, ethertype; - u8 *payload; - u8 dst[ETH_ALEN]; - u8 src[ETH_ALEN] __aligned(2); - - if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) - return -1; - - hdrlen = ieee80211_hdrlen(hdr->frame_control); - - /* convert IEEE 802.11 header + possible LLC headers into Ethernet - * header - * IEEE 802.11 address fields: - * ToDS FromDS Addr1 Addr2 Addr3 Addr4 - * 0 0 DA SA BSSID n/a - * 0 1 DA BSSID SA n/a - * 1 0 BSSID SA DA n/a - * 1 1 RA TA DA SA - */ - memcpy(dst, ieee80211_get_DA(hdr), ETH_ALEN); - memcpy(src, ieee80211_get_SA(hdr), ETH_ALEN); - - switch (hdr->frame_control & - cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { - case cpu_to_le16(IEEE80211_FCTL_TODS): - if (unlikely(iftype != NL80211_IFTYPE_AP && - iftype != NL80211_IFTYPE_AP_VLAN && - iftype != NL80211_IFTYPE_P2P_GO)) - return -1; - break; - case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS): - if (unlikely(iftype != NL80211_IFTYPE_WDS && - iftype != NL80211_IFTYPE_MESH_POINT && - iftype != NL80211_IFTYPE_AP_VLAN && - iftype != NL80211_IFTYPE_STATION)) - return -1; - if (iftype == NL80211_IFTYPE_MESH_POINT) { - struct ieee80211s_hdr *meshdr = - (struct ieee80211s_hdr *) (skb->data + hdrlen); - /* make sure meshdr->flags is on the linear part */ - if (!pskb_may_pull(skb, hdrlen + 1)) - return -1; - if (meshdr->flags & MESH_FLAGS_AE_A5_A6) { - skb_copy_bits(skb, hdrlen + - offsetof(struct ieee80211s_hdr, eaddr1), - dst, ETH_ALEN); - skb_copy_bits(skb, hdrlen + - offsetof(struct ieee80211s_hdr, eaddr2), - src, ETH_ALEN); - } - hdrlen += ieee80211_get_mesh_hdrlen(meshdr); - } - break; - case cpu_to_le16(IEEE80211_FCTL_FROMDS): - if ((iftype != NL80211_IFTYPE_STATION && - iftype != NL80211_IFTYPE_P2P_CLIENT && - iftype != NL80211_IFTYPE_MESH_POINT) || - (is_multicast_ether_addr(dst) && - !compare_ether_addr(src, addr))) - return -1; - if (iftype == NL80211_IFTYPE_MESH_POINT) { - struct ieee80211s_hdr *meshdr = - (struct ieee80211s_hdr *) (skb->data + hdrlen); - /* make sure meshdr->flags is on the linear part */ - if (!pskb_may_pull(skb, hdrlen + 1)) - return -1; - if (meshdr->flags & MESH_FLAGS_AE_A4) - skb_copy_bits(skb, hdrlen + - offsetof(struct ieee80211s_hdr, eaddr1), - src, ETH_ALEN); - hdrlen += ieee80211_get_mesh_hdrlen(meshdr); - } - break; - case cpu_to_le16(0): - if (iftype != NL80211_IFTYPE_ADHOC && - iftype != NL80211_IFTYPE_STATION) - return -1; - break; - } - - if (!pskb_may_pull(skb, hdrlen + 8)) - return -1; - - payload = skb->data + hdrlen; - ethertype = (payload[6] << 8) | payload[7]; - - if (likely((compare_ether_addr(payload, rfc1042_header) == 0 && - ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || - compare_ether_addr(payload, bridge_tunnel_header) == 0)) { - /* remove RFC1042 or Bridge-Tunnel encapsulation and - * replace EtherType */ - skb_pull(skb, hdrlen + 6); - memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); - } else { - struct ethhdr *ehdr; - __be16 len; - - skb_pull(skb, hdrlen); - len = htons(skb->len); - ehdr = (struct ethhdr *) skb_push(skb, sizeof(struct ethhdr)); - memcpy(ehdr->h_dest, dst, ETH_ALEN); - memcpy(ehdr->h_source, src, ETH_ALEN); - ehdr->h_proto = len; - } - return 0; -} -EXPORT_SYMBOL(ieee80211_data_to_8023); - -int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, - enum nl80211_iftype iftype, u8 *bssid, bool qos) -{ - struct ieee80211_hdr hdr; - u16 hdrlen, ethertype; - __le16 fc; - const u8 *encaps_data; - int encaps_len, skip_header_bytes; - int nh_pos, h_pos; - int head_need; - - if (unlikely(skb->len < ETH_HLEN)) - return -EINVAL; - - nh_pos = skb_network_header(skb) - skb->data; - h_pos = skb_transport_header(skb) - skb->data; - - /* convert Ethernet header to proper 802.11 header (based on - * operation mode) */ - ethertype = (skb->data[12] << 8) | skb->data[13]; - fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); - - switch (iftype) { - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_P2P_GO: - fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); - /* DA BSSID SA */ - memcpy(hdr.addr1, skb->data, ETH_ALEN); - memcpy(hdr.addr2, addr, ETH_ALEN); - memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN); - hdrlen = 24; - break; - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_P2P_CLIENT: - fc |= cpu_to_le16(IEEE80211_FCTL_TODS); - /* BSSID SA DA */ - memcpy(hdr.addr1, bssid, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, skb->data, ETH_ALEN); - hdrlen = 24; - break; - case NL80211_IFTYPE_ADHOC: - /* DA SA BSSID */ - memcpy(hdr.addr1, skb->data, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, bssid, ETH_ALEN); - hdrlen = 24; - break; - default: - return -EOPNOTSUPP; - } - - if (qos) { - fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); - hdrlen += 2; - } - - hdr.frame_control = fc; - hdr.duration_id = 0; - hdr.seq_ctrl = 0; - - skip_header_bytes = ETH_HLEN; - if (ethertype == ETH_P_AARP || ethertype == ETH_P_IPX) { - encaps_data = bridge_tunnel_header; - encaps_len = sizeof(bridge_tunnel_header); - skip_header_bytes -= 2; - } else if (ethertype > 0x600) { - encaps_data = rfc1042_header; - encaps_len = sizeof(rfc1042_header); - skip_header_bytes -= 2; - } else { - encaps_data = NULL; - encaps_len = 0; - } - - skb_pull(skb, skip_header_bytes); - nh_pos -= skip_header_bytes; - h_pos -= skip_header_bytes; - - head_need = hdrlen + encaps_len - skb_headroom(skb); - - if (head_need > 0 || skb_cloned(skb)) { - head_need = max(head_need, 0); - if (head_need) - skb_orphan(skb); - - if (pskb_expand_head(skb, head_need, 0, GFP_ATOMIC)) - return -ENOMEM; - - skb->truesize += head_need; - } - - if (encaps_data) { - memcpy(skb_push(skb, encaps_len), encaps_data, encaps_len); - nh_pos += encaps_len; - h_pos += encaps_len; - } - - memcpy(skb_push(skb, hdrlen), &hdr, hdrlen); - - nh_pos += hdrlen; - h_pos += hdrlen; - - /* Update skb pointers to various headers since this modified frame - * is going to go through Linux networking code that may potentially - * need things like pointer to IP header. */ - skb_set_mac_header(skb, 0); - skb_set_network_header(skb, nh_pos); - skb_set_transport_header(skb, h_pos); - - return 0; -} -EXPORT_SYMBOL(ieee80211_data_from_8023); - - -void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, - const u8 *addr, enum nl80211_iftype iftype, - const unsigned int extra_headroom, - bool has_80211_header) -{ - struct sk_buff *frame = NULL; - u16 ethertype; - u8 *payload; - const struct ethhdr *eth; - int remaining, err; - u8 dst[ETH_ALEN], src[ETH_ALEN]; - - if (has_80211_header) { - err = ieee80211_data_to_8023(skb, addr, iftype); - if (err) - goto out; - - /* skip the wrapping header */ - eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr)); - if (!eth) - goto out; - } else { - eth = (struct ethhdr *) skb->data; - } - - while (skb != frame) { - u8 padding; - __be16 len = eth->h_proto; - unsigned int subframe_len = sizeof(struct ethhdr) + ntohs(len); - - remaining = skb->len; - memcpy(dst, eth->h_dest, ETH_ALEN); - memcpy(src, eth->h_source, ETH_ALEN); - - padding = (4 - subframe_len) & 0x3; - /* the last MSDU has no padding */ - if (subframe_len > remaining) - goto purge; - - skb_pull(skb, sizeof(struct ethhdr)); - /* reuse skb for the last subframe */ - if (remaining <= subframe_len + padding) - frame = skb; - else { - unsigned int hlen = ALIGN(extra_headroom, 4); - /* - * Allocate and reserve two bytes more for payload - * alignment since sizeof(struct ethhdr) is 14. - */ - frame = dev_alloc_skb(hlen + subframe_len + 2); - if (!frame) - goto purge; - - skb_reserve(frame, hlen + sizeof(struct ethhdr) + 2); - memcpy(skb_put(frame, ntohs(len)), skb->data, - ntohs(len)); - - eth = (struct ethhdr *)skb_pull(skb, ntohs(len) + - padding); - if (!eth) { - dev_kfree_skb(frame); - goto purge; - } - } - - skb_reset_network_header(frame); - frame->dev = skb->dev; - frame->priority = skb->priority; - - payload = frame->data; - ethertype = (payload[6] << 8) | payload[7]; - - if (likely((compare_ether_addr(payload, rfc1042_header) == 0 && - ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || - compare_ether_addr(payload, - bridge_tunnel_header) == 0)) { - /* remove RFC1042 or Bridge-Tunnel - * encapsulation and replace EtherType */ - skb_pull(frame, 6); - memcpy(skb_push(frame, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(frame, ETH_ALEN), dst, ETH_ALEN); - } else { - memcpy(skb_push(frame, sizeof(__be16)), &len, - sizeof(__be16)); - memcpy(skb_push(frame, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(frame, ETH_ALEN), dst, ETH_ALEN); - } - __skb_queue_tail(list, frame); - } - - return; - - purge: - __skb_queue_purge(list); - out: - dev_kfree_skb(skb); -} -EXPORT_SYMBOL(ieee80211_amsdu_to_8023s); - -/* Given a data frame determine the 802.1p/1d tag to use. */ -unsigned int cfg80211_classify8021d(struct sk_buff *skb) -{ - unsigned int dscp; - - /* skb->priority values from 256->263 are magic values to - * directly indicate a specific 802.1d priority. This is used - * to allow 802.1d priority to be passed directly in from VLAN - * tags, etc. - */ - if (skb->priority >= 256 && skb->priority <= 263) - return skb->priority - 256; - - switch (skb->protocol) { - case htons(ETH_P_IP): - dscp = ip_hdr(skb)->tos & 0xfc; - break; - default: - return 0; - } - - return dscp >> 5; -} -EXPORT_SYMBOL(cfg80211_classify8021d); - -const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie) -{ - u8 *end, *pos; - - pos = bss->information_elements; - if (pos == NULL) - return NULL; - end = pos + bss->len_information_elements; - - while (pos + 1 < end) { - if (pos + 2 + pos[1] > end) - break; - if (pos[0] == ie) - return pos; - pos += 2 + pos[1]; - } - - return NULL; -} -EXPORT_SYMBOL(ieee80211_bss_get_ie); - -void cfg80211_upload_connect_keys(struct wireless_dev *wdev) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct net_device *dev = wdev->netdev; - int i; - - if (!wdev->connect_keys) - return; - - for (i = 0; i < 6; i++) { - if (!wdev->connect_keys->params[i].cipher) - continue; - if (rdev->ops->add_key(wdev->wiphy, dev, i, false, NULL, - &wdev->connect_keys->params[i])) { - netdev_err(dev, "failed to set key %d\n", i); - continue; - } - if (wdev->connect_keys->def == i) - if (rdev->ops->set_default_key(wdev->wiphy, dev, - i, true, true)) { - netdev_err(dev, "failed to set defkey %d\n", i); - continue; - } - if (wdev->connect_keys->defmgmt == i) - if (rdev->ops->set_default_mgmt_key(wdev->wiphy, dev, i)) - netdev_err(dev, "failed to set mgtdef %d\n", i); - } - - kfree(wdev->connect_keys); - wdev->connect_keys = NULL; -} - -static void cfg80211_process_wdev_events(struct wireless_dev *wdev) -{ - struct cfg80211_event *ev; - unsigned long flags; - const u8 *bssid = NULL; - - spin_lock_irqsave(&wdev->event_lock, flags); - while (!list_empty(&wdev->event_list)) { - ev = list_first_entry(&wdev->event_list, - struct cfg80211_event, list); - list_del(&ev->list); - spin_unlock_irqrestore(&wdev->event_lock, flags); - - wdev_lock(wdev); - switch (ev->type) { - case EVENT_CONNECT_RESULT: - if (!is_zero_ether_addr(ev->cr.bssid)) - bssid = ev->cr.bssid; - __cfg80211_connect_result( - wdev->netdev, bssid, - ev->cr.req_ie, ev->cr.req_ie_len, - ev->cr.resp_ie, ev->cr.resp_ie_len, - ev->cr.status, - ev->cr.status == WLAN_STATUS_SUCCESS, - NULL); - break; - case EVENT_ROAMED: - __cfg80211_roamed(wdev, ev->rm.bss, ev->rm.req_ie, - ev->rm.req_ie_len, ev->rm.resp_ie, - ev->rm.resp_ie_len); - break; - case EVENT_DISCONNECTED: - __cfg80211_disconnected(wdev->netdev, - ev->dc.ie, ev->dc.ie_len, - ev->dc.reason, true); - break; - case EVENT_IBSS_JOINED: - __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid); - break; - } - wdev_unlock(wdev); - - kfree(ev); - - spin_lock_irqsave(&wdev->event_lock, flags); - } - spin_unlock_irqrestore(&wdev->event_lock, flags); -} - -void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev) -{ - struct wireless_dev *wdev; - - ASSERT_RTNL(); - ASSERT_RDEV_LOCK(rdev); - - mutex_lock(&rdev->devlist_mtx); - - list_for_each_entry(wdev, &rdev->netdev_list, list) - cfg80211_process_wdev_events(wdev); - - mutex_unlock(&rdev->devlist_mtx); -} - -int cfg80211_change_iface(struct cfg80211_registered_device *rdev, - struct net_device *dev, enum nl80211_iftype ntype, - u32 *flags, struct vif_params *params) -{ - int err; - enum nl80211_iftype otype = dev->ieee80211_ptr->iftype; - - ASSERT_RDEV_LOCK(rdev); - - /* don't support changing VLANs, you just re-create them */ - if (otype == NL80211_IFTYPE_AP_VLAN) - return -EOPNOTSUPP; - - if (!rdev->ops->change_virtual_intf || - !(rdev->wiphy.interface_modes & (1 << ntype))) - return -EOPNOTSUPP; - - /* if it's part of a bridge, reject changing type to station/ibss */ - if (br_port_exists(dev) && - (ntype == NL80211_IFTYPE_ADHOC || - ntype == NL80211_IFTYPE_STATION || - ntype == NL80211_IFTYPE_P2P_CLIENT)) - return -EBUSY; - - if (ntype != otype) { - err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr, - ntype); - if (err) - return err; - - dev->ieee80211_ptr->use_4addr = false; - dev->ieee80211_ptr->mesh_id_up_len = 0; - - switch (otype) { - case NL80211_IFTYPE_ADHOC: - cfg80211_leave_ibss(rdev, dev, false); - break; - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_P2P_CLIENT: - cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, true); - break; - case NL80211_IFTYPE_MESH_POINT: - /* mesh should be handled? */ - break; - default: - break; - } - - cfg80211_process_rdev_events(rdev); - } - - err = rdev->ops->change_virtual_intf(&rdev->wiphy, dev, - ntype, flags, params); - - WARN_ON(!err && dev->ieee80211_ptr->iftype != ntype); - - if (!err && params && params->use_4addr != -1) - dev->ieee80211_ptr->use_4addr = params->use_4addr; - - if (!err) { - dev->priv_flags &= ~IFF_DONT_BRIDGE; - switch (ntype) { - case NL80211_IFTYPE_STATION: - if (dev->ieee80211_ptr->use_4addr) - break; - /* fall through */ - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_ADHOC: - dev->priv_flags |= IFF_DONT_BRIDGE; - break; - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_WDS: - case NL80211_IFTYPE_MESH_POINT: - /* bridging OK */ - break; - case NL80211_IFTYPE_MONITOR: - /* monitor can't bridge anyway */ - break; - case NL80211_IFTYPE_UNSPECIFIED: - case NUM_NL80211_IFTYPES: - /* not happening */ - break; - } - } - - return err; -} - -u16 cfg80211_calculate_bitrate(struct rate_info *rate) -{ - int modulation, streams, bitrate; - - if (!(rate->flags & RATE_INFO_FLAGS_MCS)) - return rate->legacy; - - /* the formula below does only work for MCS values smaller than 32 */ - if (rate->mcs >= 32) - return 0; - - modulation = rate->mcs & 7; - streams = (rate->mcs >> 3) + 1; - - bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ? - 13500000 : 6500000; - - if (modulation < 4) - bitrate *= (modulation + 1); - else if (modulation == 4) - bitrate *= (modulation + 2); - else - bitrate *= (modulation + 3); - - bitrate *= streams; - - if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) - bitrate = (bitrate / 9) * 10; - - /* do NOT round down here */ - return (bitrate + 50000) / 100000; -} - -int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, - u32 beacon_int) -{ - struct wireless_dev *wdev; - int res = 0; - - if (!beacon_int) - return -EINVAL; - - mutex_lock(&rdev->devlist_mtx); - - list_for_each_entry(wdev, &rdev->netdev_list, list) { - if (!wdev->beacon_interval) - continue; - if (wdev->beacon_interval != beacon_int) { - res = -EINVAL; - break; - } - } - - mutex_unlock(&rdev->devlist_mtx); - - return res; -} - -int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - enum nl80211_iftype iftype) -{ - struct wireless_dev *wdev_iter; - int num[NUM_NL80211_IFTYPES]; - int total = 1; - int i, j; - - ASSERT_RTNL(); - - /* Always allow software iftypes */ - if (rdev->wiphy.software_iftypes & BIT(iftype)) - return 0; - - /* - * Drivers will gradually all set this flag, until all - * have it we only enforce for those that set it. - */ - if (!(rdev->wiphy.flags & WIPHY_FLAG_ENFORCE_COMBINATIONS)) - return 0; - - memset(num, 0, sizeof(num)); - - num[iftype] = 1; - - mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev_iter, &rdev->netdev_list, list) { - if (wdev_iter == wdev) - continue; - if (!netif_running(wdev_iter->netdev)) - continue; - - if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype)) - continue; - - num[wdev_iter->iftype]++; - total++; - } - mutex_unlock(&rdev->devlist_mtx); - - for (i = 0; i < rdev->wiphy.n_iface_combinations; i++) { - const struct ieee80211_iface_combination *c; - struct ieee80211_iface_limit *limits; - - c = &rdev->wiphy.iface_combinations[i]; - - limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits, - GFP_KERNEL); - if (!limits) - return -ENOMEM; - if (total > c->max_interfaces) - goto cont; - - for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { - if (rdev->wiphy.software_iftypes & BIT(iftype)) - continue; - for (j = 0; j < c->n_limits; j++) { - if (!(limits[j].types & iftype)) - continue; - if (limits[j].max < num[iftype]) - goto cont; - limits[j].max -= num[iftype]; - } - } - /* yay, it fits */ - kfree(limits); - return 0; - cont: - kfree(limits); - } - - return -EBUSY; -} - -int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, - const u8 *rates, unsigned int n_rates, - u32 *mask) -{ - int i, j; - - if (!sband) - return -EINVAL; - - if (n_rates == 0 || n_rates > NL80211_MAX_SUPP_RATES) - return -EINVAL; - - *mask = 0; - - for (i = 0; i < n_rates; i++) { - int rate = (rates[i] & 0x7f) * 5; - bool found = false; - - for (j = 0; j < sband->n_bitrates; j++) { - if (sband->bitrates[j].bitrate == rate) { - found = true; - *mask |= BIT(j); - break; - } - } - if (!found) - return -EINVAL; - } - - /* - * mask must have at least one bit set here since we - * didn't accept a 0-length rates array nor allowed - * entries in the array that didn't exist - */ - - return 0; -} - -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, - struct ieee802_11_elems *elems, - u64 filter, u32 crc) -{ - size_t left = len; - u8 *pos = start; - bool calc_crc = filter != 0; - - memset(elems, 0, sizeof(*elems)); - elems->ie_start = start; - elems->total_len = len; - - while (left >= 2) { - u8 id, elen; - - id = *pos++; - elen = *pos++; - left -= 2; - - if (elen > left) - break; - - if (calc_crc && id < 64 && (filter & (1ULL << id))) - crc = crc32_be(crc, pos - 2, elen + 2); - - switch (id) { - case WLAN_EID_SSID: - elems->ssid = pos; - elems->ssid_len = elen; - break; - case WLAN_EID_SUPP_RATES: - elems->supp_rates = pos; - elems->supp_rates_len = elen; - break; - case WLAN_EID_FH_PARAMS: - elems->fh_params = pos; - elems->fh_params_len = elen; - break; - case WLAN_EID_DS_PARAMS: - elems->ds_params = pos; - elems->ds_params_len = elen; - break; - case WLAN_EID_CF_PARAMS: - elems->cf_params = pos; - elems->cf_params_len = elen; - break; - case WLAN_EID_TIM: - if (elen >= sizeof(struct ieee80211_tim_ie)) { - elems->tim = (void *)pos; - elems->tim_len = elen; - } - break; - case WLAN_EID_IBSS_PARAMS: - elems->ibss_params = pos; - elems->ibss_params_len = elen; - break; - case WLAN_EID_CHALLENGE: - elems->challenge = pos; - elems->challenge_len = elen; - break; - case WLAN_EID_VENDOR_SPECIFIC: - if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 && - pos[2] == 0xf2) { - /* Microsoft OUI (00:50:F2) */ - - if (calc_crc) - crc = crc32_be(crc, pos - 2, elen + 2); - - if (pos[3] == 1) { - /* OUI Type 1 - WPA IE */ - elems->wpa = pos; - elems->wpa_len = elen; - } else if (elen >= 5 && pos[3] == 2) { - /* OUI Type 2 - WMM IE */ - if (pos[4] == 0) { - elems->wmm_info = pos; - elems->wmm_info_len = elen; - } else if (pos[4] == 1) { - elems->wmm_param = pos; - elems->wmm_param_len = elen; - } - } - } - break; - case WLAN_EID_RSN: - elems->rsn = pos; - elems->rsn_len = elen; - break; - case WLAN_EID_ERP_INFO: - elems->erp_info = pos; - elems->erp_info_len = elen; - break; - case WLAN_EID_EXT_SUPP_RATES: - elems->ext_supp_rates = pos; - elems->ext_supp_rates_len = elen; - break; - case WLAN_EID_HT_CAPABILITY: - if (elen >= sizeof(struct ieee80211_ht_cap)) - elems->ht_cap_elem = (void *)pos; - break; - case WLAN_EID_HT_INFORMATION: - if (elen >= sizeof(struct ieee80211_ht_info)) - elems->ht_info_elem = (void *)pos; - break; - case WLAN_EID_MESH_ID: - elems->mesh_id = pos; - elems->mesh_id_len = elen; - break; - case WLAN_EID_MESH_CONFIG: - if (elen >= sizeof(struct ieee80211_meshconf_ie)) - elems->mesh_config = (void *)pos; - break; - case WLAN_EID_PEER_MGMT: - elems->peering = pos; - elems->peering_len = elen; - break; - case WLAN_EID_PREQ: - elems->preq = pos; - elems->preq_len = elen; - break; - case WLAN_EID_PREP: - elems->prep = pos; - elems->prep_len = elen; - break; - case WLAN_EID_PERR: - elems->perr = pos; - elems->perr_len = elen; - break; - case WLAN_EID_RANN: - if (elen >= sizeof(struct ieee80211_rann_ie)) - elems->rann = (void *)pos; - break; - case WLAN_EID_CHANNEL_SWITCH: - elems->ch_switch_elem = pos; - elems->ch_switch_elem_len = elen; - break; - case WLAN_EID_QUIET: - if (!elems->quiet_elem) { - elems->quiet_elem = pos; - elems->quiet_elem_len = elen; - } - elems->num_of_quiet_elem++; - break; - case WLAN_EID_COUNTRY: - elems->country_elem = pos; - elems->country_elem_len = elen; - break; - case WLAN_EID_PWR_CONSTRAINT: - elems->pwr_constr_elem = pos; - elems->pwr_constr_elem_len = elen; - break; - case WLAN_EID_TIMEOUT_INTERVAL: - elems->timeout_int = pos; - elems->timeout_int_len = elen; - break; - default: - break; - } - - left -= elen; - pos += elen; - } - - return crc; -} -EXPORT_SYMBOL(ieee802_11_parse_elems_crc); diff --git a/net/wireless_ath/wext-compat.c b/net/wireless_ath/wext-compat.c deleted file mode 100755 index 3c24eb9..0000000 --- a/net/wireless_ath/wext-compat.c +++ /dev/null @@ -1,1531 +0,0 @@ -/* - * cfg80211 - wext compat code - * - * This is temporary code until all wireless functionality is migrated - * into cfg80211, when that happens all the exports here go away and - * we directly assign the wireless handlers of wireless interfaces. - * - * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net> - */ - -#include <linux/export.h> -#include <linux/wireless.h> -#include <linux/nl80211.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/slab.h> -#include <net/iw_handler.h> -#include <net/cfg80211.h> -#include <net/cfg80211-wext.h> -#include "wext-compat.h" -#include "core.h" - -int cfg80211_wext_giwname(struct net_device *dev, - struct iw_request_info *info, - char *name, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct ieee80211_supported_band *sband; - bool is_ht = false, is_a = false, is_b = false, is_g = false; - - if (!wdev) - return -EOPNOTSUPP; - - sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ]; - if (sband) { - is_a = true; - is_ht |= sband->ht_cap.ht_supported; - } - - sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ]; - if (sband) { - int i; - /* Check for mandatory rates */ - for (i = 0; i < sband->n_bitrates; i++) { - if (sband->bitrates[i].bitrate == 10) - is_b = true; - if (sband->bitrates[i].bitrate == 60) - is_g = true; - } - is_ht |= sband->ht_cap.ht_supported; - } - - strcpy(name, "IEEE 802.11"); - if (is_a) - strcat(name, "a"); - if (is_b) - strcat(name, "b"); - if (is_g) - strcat(name, "g"); - if (is_ht) - strcat(name, "n"); - - return 0; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwname); - -int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, - u32 *mode, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev; - struct vif_params vifparams; - enum nl80211_iftype type; - int ret; - - rdev = wiphy_to_dev(wdev->wiphy); - - switch (*mode) { - case IW_MODE_INFRA: - type = NL80211_IFTYPE_STATION; - break; - case IW_MODE_ADHOC: - type = NL80211_IFTYPE_ADHOC; - break; - case IW_MODE_REPEAT: - type = NL80211_IFTYPE_WDS; - break; - case IW_MODE_MONITOR: - type = NL80211_IFTYPE_MONITOR; - break; - default: - return -EINVAL; - } - - if (type == wdev->iftype) - return 0; - - memset(&vifparams, 0, sizeof(vifparams)); - - cfg80211_lock_rdev(rdev); - ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams); - cfg80211_unlock_rdev(rdev); - - return ret; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode); - -int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, - u32 *mode, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (!wdev) - return -EOPNOTSUPP; - - switch (wdev->iftype) { - case NL80211_IFTYPE_AP: - *mode = IW_MODE_MASTER; - break; - case NL80211_IFTYPE_STATION: - *mode = IW_MODE_INFRA; - break; - case NL80211_IFTYPE_ADHOC: - *mode = IW_MODE_ADHOC; - break; - case NL80211_IFTYPE_MONITOR: - *mode = IW_MODE_MONITOR; - break; - case NL80211_IFTYPE_WDS: - *mode = IW_MODE_REPEAT; - break; - case NL80211_IFTYPE_AP_VLAN: - *mode = IW_MODE_SECOND; /* FIXME */ - break; - default: - *mode = IW_MODE_AUTO; - break; - } - return 0; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode); - - -int cfg80211_wext_giwrange(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct iw_range *range = (struct iw_range *) extra; - enum ieee80211_band band; - int i, c = 0; - - if (!wdev) - return -EOPNOTSUPP; - - data->length = sizeof(struct iw_range); - memset(range, 0, sizeof(struct iw_range)); - - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = 21; - range->retry_capa = IW_RETRY_LIMIT; - range->retry_flags = IW_RETRY_LIMIT; - range->min_retry = 0; - range->max_retry = 255; - range->min_rts = 0; - range->max_rts = 2347; - range->min_frag = 256; - range->max_frag = 2346; - - range->max_encoding_tokens = 4; - - range->max_qual.updated = IW_QUAL_NOISE_INVALID; - - switch (wdev->wiphy->signal_type) { - case CFG80211_SIGNAL_TYPE_NONE: - break; - case CFG80211_SIGNAL_TYPE_MBM: - range->max_qual.level = -110; - range->max_qual.qual = 70; - range->avg_qual.qual = 35; - range->max_qual.updated |= IW_QUAL_DBM; - range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; - range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; - break; - case CFG80211_SIGNAL_TYPE_UNSPEC: - range->max_qual.level = 100; - range->max_qual.qual = 100; - range->avg_qual.qual = 50; - range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; - range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; - break; - } - - range->avg_qual.level = range->max_qual.level / 2; - range->avg_qual.noise = range->max_qual.noise / 2; - range->avg_qual.updated = range->max_qual.updated; - - for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { - switch (wdev->wiphy->cipher_suites[i]) { - case WLAN_CIPHER_SUITE_TKIP: - range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | - IW_ENC_CAPA_WPA); - break; - - case WLAN_CIPHER_SUITE_CCMP: - range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | - IW_ENC_CAPA_WPA2); - break; - - case WLAN_CIPHER_SUITE_WEP40: - range->encoding_size[range->num_encoding_sizes++] = - WLAN_KEY_LEN_WEP40; - break; - - case WLAN_CIPHER_SUITE_WEP104: - range->encoding_size[range->num_encoding_sizes++] = - WLAN_KEY_LEN_WEP104; - break; - } - } - - for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { - struct ieee80211_supported_band *sband; - - sband = wdev->wiphy->bands[band]; - - if (!sband) - continue; - - for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { - struct ieee80211_channel *chan = &sband->channels[i]; - - if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { - range->freq[c].i = - ieee80211_frequency_to_channel( - chan->center_freq); - range->freq[c].m = chan->center_freq; - range->freq[c].e = 6; - c++; - } - } - } - range->num_channels = c; - range->num_frequency = c; - - IW_EVENT_CAPA_SET_KERNEL(range->event_capa); - IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); - IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); - - if (wdev->wiphy->max_scan_ssids > 0) - range->scan_capa |= IW_SCAN_CAPA_ESSID; - - return 0; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange); - - -/** - * cfg80211_wext_freq - get wext frequency for non-"auto" - * @wiphy: the wiphy - * @freq: the wext freq encoding - * - * Returns a frequency, or a negative error code, or 0 for auto. - */ -int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq) -{ - /* - * Parse frequency - return 0 for auto and - * -EINVAL for impossible things. - */ - if (freq->e == 0) { - enum ieee80211_band band = IEEE80211_BAND_2GHZ; - if (freq->m < 0) - return 0; - if (freq->m > 14) - band = IEEE80211_BAND_5GHZ; - return ieee80211_channel_to_frequency(freq->m, band); - } else { - int i, div = 1000000; - for (i = 0; i < freq->e; i++) - div /= 10; - if (div <= 0) - return -EINVAL; - return freq->m / div; - } -} - -int cfg80211_wext_siwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u32 orts = wdev->wiphy->rts_threshold; - int err; - - if (rts->disabled || !rts->fixed) - wdev->wiphy->rts_threshold = (u32) -1; - else if (rts->value < 0) - return -EINVAL; - else - wdev->wiphy->rts_threshold = rts->value; - - err = rdev->ops->set_wiphy_params(wdev->wiphy, - WIPHY_PARAM_RTS_THRESHOLD); - if (err) - wdev->wiphy->rts_threshold = orts; - - return err; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts); - -int cfg80211_wext_giwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - rts->value = wdev->wiphy->rts_threshold; - rts->disabled = rts->value == (u32) -1; - rts->fixed = 1; - - return 0; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts); - -int cfg80211_wext_siwfrag(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *frag, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u32 ofrag = wdev->wiphy->frag_threshold; - int err; - - if (frag->disabled || !frag->fixed) - wdev->wiphy->frag_threshold = (u32) -1; - else if (frag->value < 256) - return -EINVAL; - else { - /* Fragment length must be even, so strip LSB. */ - wdev->wiphy->frag_threshold = frag->value & ~0x1; - } - - err = rdev->ops->set_wiphy_params(wdev->wiphy, - WIPHY_PARAM_FRAG_THRESHOLD); - if (err) - wdev->wiphy->frag_threshold = ofrag; - - return err; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag); - -int cfg80211_wext_giwfrag(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *frag, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - frag->value = wdev->wiphy->frag_threshold; - frag->disabled = frag->value == (u32) -1; - frag->fixed = 1; - - return 0; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag); - -static int cfg80211_wext_siwretry(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *retry, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u32 changed = 0; - u8 olong = wdev->wiphy->retry_long; - u8 oshort = wdev->wiphy->retry_short; - int err; - - if (retry->disabled || - (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) - return -EINVAL; - - if (retry->flags & IW_RETRY_LONG) { - wdev->wiphy->retry_long = retry->value; - changed |= WIPHY_PARAM_RETRY_LONG; - } else if (retry->flags & IW_RETRY_SHORT) { - wdev->wiphy->retry_short = retry->value; - changed |= WIPHY_PARAM_RETRY_SHORT; - } else { - wdev->wiphy->retry_short = retry->value; - wdev->wiphy->retry_long = retry->value; - changed |= WIPHY_PARAM_RETRY_LONG; - changed |= WIPHY_PARAM_RETRY_SHORT; - } - - if (!changed) - return 0; - - err = rdev->ops->set_wiphy_params(wdev->wiphy, changed); - if (err) { - wdev->wiphy->retry_short = oshort; - wdev->wiphy->retry_long = olong; - } - - return err; -} - -int cfg80211_wext_giwretry(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *retry, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - retry->disabled = 0; - - if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { - /* - * First return short value, iwconfig will ask long value - * later if needed - */ - retry->flags |= IW_RETRY_LIMIT; - retry->value = wdev->wiphy->retry_short; - if (wdev->wiphy->retry_long != wdev->wiphy->retry_short) - retry->flags |= IW_RETRY_LONG; - - return 0; - } - - if (retry->flags & IW_RETRY_LONG) { - retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; - retry->value = wdev->wiphy->retry_long; - } - - return 0; -} -EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry); - -static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, - struct net_device *dev, bool pairwise, - const u8 *addr, bool remove, bool tx_key, - int idx, struct key_params *params) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err, i; - bool rejoin = false; - - if (pairwise && !addr) - return -EINVAL; - - if (!wdev->wext.keys) { - wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), - GFP_KERNEL); - if (!wdev->wext.keys) - return -ENOMEM; - for (i = 0; i < 6; i++) - wdev->wext.keys->params[i].key = - wdev->wext.keys->data[i]; - } - - if (wdev->iftype != NL80211_IFTYPE_ADHOC && - wdev->iftype != NL80211_IFTYPE_STATION) - return -EOPNOTSUPP; - - if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { - if (!wdev->current_bss) - return -ENOLINK; - - if (!rdev->ops->set_default_mgmt_key) - return -EOPNOTSUPP; - - if (idx < 4 || idx > 5) - return -EINVAL; - } else if (idx < 0 || idx > 3) - return -EINVAL; - - if (remove) { - err = 0; - if (wdev->current_bss) { - /* - * If removing the current TX key, we will need to - * join a new IBSS without the privacy bit clear. - */ - if (idx == wdev->wext.default_key && - wdev->iftype == NL80211_IFTYPE_ADHOC) { - __cfg80211_leave_ibss(rdev, wdev->netdev, true); - rejoin = true; - } - - if (!pairwise && addr && - !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) - err = -ENOENT; - else - err = rdev->ops->del_key(&rdev->wiphy, dev, idx, - pairwise, addr); - } - wdev->wext.connect.privacy = false; - /* - * Applications using wireless extensions expect to be - * able to delete keys that don't exist, so allow that. - */ - if (err == -ENOENT) - err = 0; - if (!err) { - if (!addr) { - wdev->wext.keys->params[idx].key_len = 0; - wdev->wext.keys->params[idx].cipher = 0; - } - if (idx == wdev->wext.default_key) - wdev->wext.default_key = -1; - else if (idx == wdev->wext.default_mgmt_key) - wdev->wext.default_mgmt_key = -1; - } - - if (!err && rejoin) - err = cfg80211_ibss_wext_join(rdev, wdev); - - return err; - } - - if (addr) - tx_key = false; - - if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr)) - return -EINVAL; - - err = 0; - if (wdev->current_bss) - err = rdev->ops->add_key(&rdev->wiphy, dev, idx, - pairwise, addr, params); - if (err) - return err; - - if (!addr) { - wdev->wext.keys->params[idx] = *params; - memcpy(wdev->wext.keys->data[idx], - params->key, params->key_len); - wdev->wext.keys->params[idx].key = - wdev->wext.keys->data[idx]; - } - - if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || - params->cipher == WLAN_CIPHER_SUITE_WEP104) && - (tx_key || (!addr && wdev->wext.default_key == -1))) { - if (wdev->current_bss) { - /* - * If we are getting a new TX key from not having - * had one before we need to join a new IBSS with - * the privacy bit set. - */ - if (wdev->iftype == NL80211_IFTYPE_ADHOC && - wdev->wext.default_key == -1) { - __cfg80211_leave_ibss(rdev, wdev->netdev, true); - rejoin = true; - } - err = rdev->ops->set_default_key(&rdev->wiphy, dev, - idx, true, true); - } - if (!err) { - wdev->wext.default_key = idx; - if (rejoin) - err = cfg80211_ibss_wext_join(rdev, wdev); - } - return err; - } - - if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && - (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { - if (wdev->current_bss) - err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, - dev, idx); - if (!err) - wdev->wext.default_mgmt_key = idx; - return err; - } - - return 0; -} - -static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, - struct net_device *dev, bool pairwise, - const u8 *addr, bool remove, bool tx_key, - int idx, struct key_params *params) -{ - int err; - - /* devlist mutex needed for possible IBSS re-join */ - mutex_lock(&rdev->devlist_mtx); - wdev_lock(dev->ieee80211_ptr); - err = __cfg80211_set_encryption(rdev, dev, pairwise, addr, - remove, tx_key, idx, params); - wdev_unlock(dev->ieee80211_ptr); - mutex_unlock(&rdev->devlist_mtx); - - return err; -} - -static int cfg80211_wext_siwencode(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *keybuf) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - int idx, err; - bool remove = false; - struct key_params params; - - if (wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_ADHOC) - return -EOPNOTSUPP; - - /* no use -- only MFP (set_default_mgmt_key) is optional */ - if (!rdev->ops->del_key || - !rdev->ops->add_key || - !rdev->ops->set_default_key) - return -EOPNOTSUPP; - - idx = erq->flags & IW_ENCODE_INDEX; - if (idx == 0) { - idx = wdev->wext.default_key; - if (idx < 0) - idx = 0; - } else if (idx < 1 || idx > 4) - return -EINVAL; - else - idx--; - - if (erq->flags & IW_ENCODE_DISABLED) - remove = true; - else if (erq->length == 0) { - /* No key data - just set the default TX key index */ - err = 0; - wdev_lock(wdev); - if (wdev->current_bss) - err = rdev->ops->set_default_key(&rdev->wiphy, dev, - idx, true, true); - if (!err) - wdev->wext.default_key = idx; - wdev_unlock(wdev); - return err; - } - - memset(¶ms, 0, sizeof(params)); - params.key = keybuf; - params.key_len = erq->length; - if (erq->length == 5) - params.cipher = WLAN_CIPHER_SUITE_WEP40; - else if (erq->length == 13) - params.cipher = WLAN_CIPHER_SUITE_WEP104; - else if (!remove) - return -EINVAL; - - return cfg80211_set_encryption(rdev, dev, false, NULL, remove, - wdev->wext.default_key == -1, - idx, ¶ms); -} - -static int cfg80211_wext_siwencodeext(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; - const u8 *addr; - int idx; - bool remove = false; - struct key_params params; - u32 cipher; - - if (wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_ADHOC) - return -EOPNOTSUPP; - - /* no use -- only MFP (set_default_mgmt_key) is optional */ - if (!rdev->ops->del_key || - !rdev->ops->add_key || - !rdev->ops->set_default_key) - return -EOPNOTSUPP; - - switch (ext->alg) { - case IW_ENCODE_ALG_NONE: - remove = true; - cipher = 0; - break; - case IW_ENCODE_ALG_WEP: - if (ext->key_len == 5) - cipher = WLAN_CIPHER_SUITE_WEP40; - else if (ext->key_len == 13) - cipher = WLAN_CIPHER_SUITE_WEP104; - else - return -EINVAL; - break; - case IW_ENCODE_ALG_TKIP: - cipher = WLAN_CIPHER_SUITE_TKIP; - break; - case IW_ENCODE_ALG_CCMP: - cipher = WLAN_CIPHER_SUITE_CCMP; - break; - case IW_ENCODE_ALG_AES_CMAC: - cipher = WLAN_CIPHER_SUITE_AES_CMAC; - break; - default: - return -EOPNOTSUPP; - } - - if (erq->flags & IW_ENCODE_DISABLED) - remove = true; - - idx = erq->flags & IW_ENCODE_INDEX; - if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { - if (idx < 4 || idx > 5) { - idx = wdev->wext.default_mgmt_key; - if (idx < 0) - return -EINVAL; - } else - idx--; - } else { - if (idx < 1 || idx > 4) { - idx = wdev->wext.default_key; - if (idx < 0) - return -EINVAL; - } else - idx--; - } - - addr = ext->addr.sa_data; - if (is_broadcast_ether_addr(addr)) - addr = NULL; - - memset(¶ms, 0, sizeof(params)); - params.key = ext->key; - params.key_len = ext->key_len; - params.cipher = cipher; - - if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { - params.seq = ext->rx_seq; - params.seq_len = 6; - } - - return cfg80211_set_encryption( - rdev, dev, - !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), - addr, remove, - ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, - idx, ¶ms); -} - -static int cfg80211_wext_giwencode(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *keybuf) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int idx; - - if (wdev->iftype != NL80211_IFTYPE_STATION && - wdev->iftype != NL80211_IFTYPE_ADHOC) - return -EOPNOTSUPP; - - idx = erq->flags & IW_ENCODE_INDEX; - if (idx == 0) { - idx = wdev->wext.default_key; - if (idx < 0) - idx = 0; - } else if (idx < 1 || idx > 4) - return -EINVAL; - else - idx--; - - erq->flags = idx + 1; - - if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { - erq->flags |= IW_ENCODE_DISABLED; - erq->length = 0; - return 0; - } - - erq->length = min_t(size_t, erq->length, - wdev->wext.keys->params[idx].key_len); - memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); - erq->flags |= IW_ENCODE_ENABLED; - - return 0; -} - -static int cfg80211_wext_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *wextfreq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - int freq, err; - - switch (wdev->iftype) { - case NL80211_IFTYPE_STATION: - return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); - case NL80211_IFTYPE_ADHOC: - return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_WDS: - case NL80211_IFTYPE_MESH_POINT: - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); - if (freq < 0) - return freq; - if (freq == 0) - return -EINVAL; - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - return err; - default: - return -EOPNOTSUPP; - } -} - -static int cfg80211_wext_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct ieee80211_channel *chan; - - switch (wdev->iftype) { - case NL80211_IFTYPE_STATION: - return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); - case NL80211_IFTYPE_ADHOC: - return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); - case NL80211_IFTYPE_MONITOR: - if (!rdev->ops->get_channel) - return -EINVAL; - - chan = rdev->ops->get_channel(wdev->wiphy); - if (!chan) - return -EINVAL; - freq->m = chan->center_freq; - freq->e = 6; - return 0; - default: - if (!wdev->channel) - return -EINVAL; - freq->m = wdev->channel->center_freq; - freq->e = 6; - return 0; - } -} - -static int cfg80211_wext_siwtxpower(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - enum nl80211_tx_power_setting type; - int dbm = 0; - - if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) - return -EINVAL; - if (data->txpower.flags & IW_TXPOW_RANGE) - return -EINVAL; - - if (!rdev->ops->set_tx_power) - return -EOPNOTSUPP; - - /* only change when not disabling */ - if (!data->txpower.disabled) { - rfkill_set_sw_state(rdev->rfkill, false); - - if (data->txpower.fixed) { - /* - * wext doesn't support negative values, see - * below where it's for automatic - */ - if (data->txpower.value < 0) - return -EINVAL; - dbm = data->txpower.value; - type = NL80211_TX_POWER_FIXED; - /* TODO: do regulatory check! */ - } else { - /* - * Automatic power level setting, max being the value - * passed in from userland. - */ - if (data->txpower.value < 0) { - type = NL80211_TX_POWER_AUTOMATIC; - } else { - dbm = data->txpower.value; - type = NL80211_TX_POWER_LIMITED; - } - } - } else { - rfkill_set_sw_state(rdev->rfkill, true); - schedule_work(&rdev->rfkill_sync); - return 0; - } - - return rdev->ops->set_tx_power(wdev->wiphy, type, DBM_TO_MBM(dbm)); -} - -static int cfg80211_wext_giwtxpower(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - int err, val; - - if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) - return -EINVAL; - if (data->txpower.flags & IW_TXPOW_RANGE) - return -EINVAL; - - if (!rdev->ops->get_tx_power) - return -EOPNOTSUPP; - - err = rdev->ops->get_tx_power(wdev->wiphy, &val); - if (err) - return err; - - /* well... oh well */ - data->txpower.fixed = 1; - data->txpower.disabled = rfkill_blocked(rdev->rfkill); - data->txpower.value = val; - data->txpower.flags = IW_TXPOW_DBM; - - return 0; -} - -static int cfg80211_set_auth_alg(struct wireless_dev *wdev, - s32 auth_alg) -{ - int nr_alg = 0; - - if (!auth_alg) - return -EINVAL; - - if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | - IW_AUTH_ALG_SHARED_KEY | - IW_AUTH_ALG_LEAP)) - return -EINVAL; - - if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { - nr_alg++; - wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; - } - - if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { - nr_alg++; - wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; - } - - if (auth_alg & IW_AUTH_ALG_LEAP) { - nr_alg++; - wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; - } - - if (nr_alg > 1) - wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; - - return 0; -} - -static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) -{ - if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | - IW_AUTH_WPA_VERSION_WPA2| - IW_AUTH_WPA_VERSION_DISABLED)) - return -EINVAL; - - if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && - (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| - IW_AUTH_WPA_VERSION_WPA2))) - return -EINVAL; - - if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) - wdev->wext.connect.crypto.wpa_versions &= - ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); - - if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) - wdev->wext.connect.crypto.wpa_versions |= - NL80211_WPA_VERSION_1; - - if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) - wdev->wext.connect.crypto.wpa_versions |= - NL80211_WPA_VERSION_2; - - return 0; -} - -static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) -{ - if (cipher & IW_AUTH_CIPHER_WEP40) - wdev->wext.connect.crypto.cipher_group = - WLAN_CIPHER_SUITE_WEP40; - else if (cipher & IW_AUTH_CIPHER_WEP104) - wdev->wext.connect.crypto.cipher_group = - WLAN_CIPHER_SUITE_WEP104; - else if (cipher & IW_AUTH_CIPHER_TKIP) - wdev->wext.connect.crypto.cipher_group = - WLAN_CIPHER_SUITE_TKIP; - else if (cipher & IW_AUTH_CIPHER_CCMP) - wdev->wext.connect.crypto.cipher_group = - WLAN_CIPHER_SUITE_CCMP; - else if (cipher & IW_AUTH_CIPHER_AES_CMAC) - wdev->wext.connect.crypto.cipher_group = - WLAN_CIPHER_SUITE_AES_CMAC; - else if (cipher & IW_AUTH_CIPHER_NONE) - wdev->wext.connect.crypto.cipher_group = 0; - else - return -EINVAL; - - return 0; -} - -static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) -{ - int nr_ciphers = 0; - u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; - - if (cipher & IW_AUTH_CIPHER_WEP40) { - ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; - nr_ciphers++; - } - - if (cipher & IW_AUTH_CIPHER_WEP104) { - ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; - nr_ciphers++; - } - - if (cipher & IW_AUTH_CIPHER_TKIP) { - ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; - nr_ciphers++; - } - - if (cipher & IW_AUTH_CIPHER_CCMP) { - ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; - nr_ciphers++; - } - - if (cipher & IW_AUTH_CIPHER_AES_CMAC) { - ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; - nr_ciphers++; - } - - BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); - - wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; - - return 0; -} - - -static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) -{ - int nr_akm_suites = 0; - - if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | - IW_AUTH_KEY_MGMT_PSK)) - return -EINVAL; - - if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { - wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = - WLAN_AKM_SUITE_8021X; - nr_akm_suites++; - } - - if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { - wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = - WLAN_AKM_SUITE_PSK; - nr_akm_suites++; - } - - wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; - - return 0; -} - -static int cfg80211_wext_siwauth(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (wdev->iftype != NL80211_IFTYPE_STATION) - return -EOPNOTSUPP; - - switch (data->flags & IW_AUTH_INDEX) { - case IW_AUTH_PRIVACY_INVOKED: - wdev->wext.connect.privacy = data->value; - return 0; - case IW_AUTH_WPA_VERSION: - return cfg80211_set_wpa_version(wdev, data->value); - case IW_AUTH_CIPHER_GROUP: - return cfg80211_set_cipher_group(wdev, data->value); - case IW_AUTH_KEY_MGMT: - return cfg80211_set_key_mgt(wdev, data->value); - case IW_AUTH_CIPHER_PAIRWISE: - return cfg80211_set_cipher_pairwise(wdev, data->value); - case IW_AUTH_80211_AUTH_ALG: - return cfg80211_set_auth_alg(wdev, data->value); - case IW_AUTH_WPA_ENABLED: - case IW_AUTH_RX_UNENCRYPTED_EAPOL: - case IW_AUTH_DROP_UNENCRYPTED: - case IW_AUTH_MFP: - return 0; - default: - return -EOPNOTSUPP; - } -} - -static int cfg80211_wext_giwauth(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *data, char *extra) -{ - /* XXX: what do we need? */ - - return -EOPNOTSUPP; -} - -static int cfg80211_wext_siwpower(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *wrq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - bool ps = wdev->ps; - int timeout = wdev->ps_timeout; - int err; - - if (wdev->iftype != NL80211_IFTYPE_STATION) - return -EINVAL; - - if (!rdev->ops->set_power_mgmt) - return -EOPNOTSUPP; - - if (wrq->disabled) { - ps = false; - } else { - switch (wrq->flags & IW_POWER_MODE) { - case IW_POWER_ON: /* If not specified */ - case IW_POWER_MODE: /* If set all mask */ - case IW_POWER_ALL_R: /* If explicitely state all */ - ps = true; - break; - default: /* Otherwise we ignore */ - return -EINVAL; - } - - if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) - return -EINVAL; - - if (wrq->flags & IW_POWER_TIMEOUT) - timeout = wrq->value / 1000; - } - - err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout); - if (err) - return err; - - wdev->ps = ps; - wdev->ps_timeout = timeout; - - return 0; - -} - -static int cfg80211_wext_giwpower(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *wrq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - wrq->disabled = !wdev->ps; - - return 0; -} - -static int cfg80211_wds_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - int err; - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) - return -EINVAL; - - if (addr->sa_family != ARPHRD_ETHER) - return -EINVAL; - - if (netif_running(dev)) - return -EBUSY; - - if (!rdev->ops->set_wds_peer) - return -EOPNOTSUPP; - - err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data); - if (err) - return err; - - memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN); - - return 0; -} - -static int cfg80211_wds_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) - return -EINVAL; - - addr->sa_family = ARPHRD_ETHER; - memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN); - - return 0; -} - -static int cfg80211_wext_siwrate(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rate, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_bitrate_mask mask; - u32 fixed, maxrate; - struct ieee80211_supported_band *sband; - int band, ridx; - bool match = false; - - if (!rdev->ops->set_bitrate_mask) - return -EOPNOTSUPP; - - memset(&mask, 0, sizeof(mask)); - fixed = 0; - maxrate = (u32)-1; - - if (rate->value < 0) { - /* nothing */ - } else if (rate->fixed) { - fixed = rate->value / 100000; - } else { - maxrate = rate->value / 100000; - } - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - sband = wdev->wiphy->bands[band]; - if (sband == NULL) - continue; - for (ridx = 0; ridx < sband->n_bitrates; ridx++) { - struct ieee80211_rate *srate = &sband->bitrates[ridx]; - if (fixed == srate->bitrate) { - mask.control[band].legacy = 1 << ridx; - match = true; - break; - } - if (srate->bitrate <= maxrate) { - mask.control[band].legacy |= 1 << ridx; - match = true; - } - } - } - - if (!match) - return -EINVAL; - - return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask); -} - -static int cfg80211_wext_giwrate(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rate, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - /* we are under RTNL - globally locked - so can use a static struct */ - static struct station_info sinfo; - u8 addr[ETH_ALEN]; - int err; - - if (wdev->iftype != NL80211_IFTYPE_STATION) - return -EOPNOTSUPP; - - if (!rdev->ops->get_station) - return -EOPNOTSUPP; - - err = 0; - wdev_lock(wdev); - if (wdev->current_bss) - memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN); - else - err = -EOPNOTSUPP; - wdev_unlock(wdev); - if (err) - return err; - - err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo); - if (err) - return err; - - if (!(sinfo.filled & STATION_INFO_TX_BITRATE)) - return -EOPNOTSUPP; - - rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); - - return 0; -} - -/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ -static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - /* we are under RTNL - globally locked - so can use static structs */ - static struct iw_statistics wstats; - static struct station_info sinfo; - u8 bssid[ETH_ALEN]; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) - return NULL; - - if (!rdev->ops->get_station) - return NULL; - - /* Grab BSSID of current BSS, if any */ - wdev_lock(wdev); - if (!wdev->current_bss) { - wdev_unlock(wdev); - return NULL; - } - memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); - wdev_unlock(wdev); - - if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo)) - return NULL; - - memset(&wstats, 0, sizeof(wstats)); - - switch (rdev->wiphy.signal_type) { - case CFG80211_SIGNAL_TYPE_MBM: - if (sinfo.filled & STATION_INFO_SIGNAL) { - int sig = sinfo.signal; - wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; - wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; - wstats.qual.updated |= IW_QUAL_DBM; - wstats.qual.level = sig; - if (sig < -110) - sig = -110; - else if (sig > -40) - sig = -40; - wstats.qual.qual = sig + 110; - break; - } - case CFG80211_SIGNAL_TYPE_UNSPEC: - if (sinfo.filled & STATION_INFO_SIGNAL) { - wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; - wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; - wstats.qual.level = sinfo.signal; - wstats.qual.qual = sinfo.signal; - break; - } - default: - wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; - wstats.qual.updated |= IW_QUAL_QUAL_INVALID; - } - - wstats.qual.updated |= IW_QUAL_NOISE_INVALID; - if (sinfo.filled & STATION_INFO_RX_DROP_MISC) - wstats.discard.misc = sinfo.rx_dropped_misc; - if (sinfo.filled & STATION_INFO_TX_FAILED) - wstats.discard.retries = sinfo.tx_failed; - - return &wstats; -} - -static int cfg80211_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); - case NL80211_IFTYPE_STATION: - return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); - case NL80211_IFTYPE_WDS: - return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra); - default: - return -EOPNOTSUPP; - } -} - -static int cfg80211_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); - case NL80211_IFTYPE_STATION: - return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); - case NL80211_IFTYPE_WDS: - return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra); - default: - return -EOPNOTSUPP; - } -} - -static int cfg80211_wext_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - return cfg80211_ibss_wext_siwessid(dev, info, data, ssid); - case NL80211_IFTYPE_STATION: - return cfg80211_mgd_wext_siwessid(dev, info, data, ssid); - default: - return -EOPNOTSUPP; - } -} - -static int cfg80211_wext_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - data->flags = 0; - data->length = 0; - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - return cfg80211_ibss_wext_giwessid(dev, info, data, ssid); - case NL80211_IFTYPE_STATION: - return cfg80211_mgd_wext_giwessid(dev, info, data, ssid); - default: - return -EOPNOTSUPP; - } -} - -static int cfg80211_wext_siwpmksa(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct cfg80211_pmksa cfg_pmksa; - struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; - - memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); - - if (wdev->iftype != NL80211_IFTYPE_STATION) - return -EINVAL; - - cfg_pmksa.bssid = pmksa->bssid.sa_data; - cfg_pmksa.pmkid = pmksa->pmkid; - - switch (pmksa->cmd) { - case IW_PMKSA_ADD: - if (!rdev->ops->set_pmksa) - return -EOPNOTSUPP; - - return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa); - - case IW_PMKSA_REMOVE: - if (!rdev->ops->del_pmksa) - return -EOPNOTSUPP; - - return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa); - - case IW_PMKSA_FLUSH: - if (!rdev->ops->flush_pmksa) - return -EOPNOTSUPP; - - return rdev->ops->flush_pmksa(&rdev->wiphy, dev); - - default: - return -EOPNOTSUPP; - } -} - -static const iw_handler cfg80211_handlers[] = { - [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname, - [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq, - [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq, - [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode, - [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode, - [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange, - [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap, - [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap, - [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme, - [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan, - [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan, - [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid, - [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid, - [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate, - [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate, - [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts, - [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts, - [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag, - [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag, - [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower, - [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower, - [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry, - [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry, - [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode, - [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode, - [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower, - [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower, - [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie, - [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth, - [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth, - [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext, - [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa, -}; - -const struct iw_handler_def cfg80211_wext_handler = { - .num_standard = ARRAY_SIZE(cfg80211_handlers), - .standard = cfg80211_handlers, - .get_wireless_stats = cfg80211_wireless_stats, -}; diff --git a/net/wireless_ath/wext-compat.h b/net/wireless_ath/wext-compat.h deleted file mode 100755 index 5d766b0..0000000 --- a/net/wireless_ath/wext-compat.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef __WEXT_COMPAT -#define __WEXT_COMPAT - -#include <net/iw_handler.h> -#include <linux/wireless.h> - -int cfg80211_ibss_wext_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); -int cfg80211_ibss_wext_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); -int cfg80211_ibss_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra); -int cfg80211_ibss_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra); -int cfg80211_ibss_wext_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid); -int cfg80211_ibss_wext_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid); - -int cfg80211_mgd_wext_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); -int cfg80211_mgd_wext_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra); -int cfg80211_mgd_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra); -int cfg80211_mgd_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra); -int cfg80211_mgd_wext_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid); -int cfg80211_mgd_wext_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid); - -int cfg80211_wext_siwmlme(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra); -int cfg80211_wext_siwgenie(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra); - - -int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq); - - -extern const struct iw_handler_def cfg80211_wext_handler; -#endif /* __WEXT_COMPAT */ diff --git a/net/wireless_ath/wext-core.c b/net/wireless_ath/wext-core.c deleted file mode 100755 index ae45584..0000000 --- a/net/wireless_ath/wext-core.c +++ /dev/null @@ -1,1123 +0,0 @@ -/* - * This file implement the Wireless Extensions core API. - * - * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * - * (As all part of the Linux kernel, this file is GPL) - */ -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/rtnetlink.h> -#include <linux/slab.h> -#include <linux/wireless.h> -#include <linux/uaccess.h> -#include <linux/export.h> -#include <net/cfg80211.h> -#include <net/iw_handler.h> -#include <net/netlink.h> -#include <net/wext.h> -#include <net/net_namespace.h> - -typedef int (*wext_ioctl_func)(struct net_device *, struct iwreq *, - unsigned int, struct iw_request_info *, - iw_handler); - - -/* - * Meta-data about all the standard Wireless Extension request we - * know about. - */ -static const struct iw_ioctl_description standard_ioctl[] = { - [IW_IOCTL_IDX(SIOCSIWCOMMIT)] = { - .header_type = IW_HEADER_TYPE_NULL, - }, - [IW_IOCTL_IDX(SIOCGIWNAME)] = { - .header_type = IW_HEADER_TYPE_CHAR, - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWNWID)] = { - .header_type = IW_HEADER_TYPE_PARAM, - .flags = IW_DESCR_FLAG_EVENT, - }, - [IW_IOCTL_IDX(SIOCGIWNWID)] = { - .header_type = IW_HEADER_TYPE_PARAM, - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWFREQ)] = { - .header_type = IW_HEADER_TYPE_FREQ, - .flags = IW_DESCR_FLAG_EVENT, - }, - [IW_IOCTL_IDX(SIOCGIWFREQ)] = { - .header_type = IW_HEADER_TYPE_FREQ, - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWMODE)] = { - .header_type = IW_HEADER_TYPE_UINT, - .flags = IW_DESCR_FLAG_EVENT, - }, - [IW_IOCTL_IDX(SIOCGIWMODE)] = { - .header_type = IW_HEADER_TYPE_UINT, - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWSENS)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWSENS)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWRANGE)] = { - .header_type = IW_HEADER_TYPE_NULL, - }, - [IW_IOCTL_IDX(SIOCGIWRANGE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = sizeof(struct iw_range), - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWPRIV)] = { - .header_type = IW_HEADER_TYPE_NULL, - }, - [IW_IOCTL_IDX(SIOCGIWPRIV)] = { /* (handled directly by us) */ - .header_type = IW_HEADER_TYPE_POINT, - .token_size = sizeof(struct iw_priv_args), - .max_tokens = 16, - .flags = IW_DESCR_FLAG_NOMAX, - }, - [IW_IOCTL_IDX(SIOCSIWSTATS)] = { - .header_type = IW_HEADER_TYPE_NULL, - }, - [IW_IOCTL_IDX(SIOCGIWSTATS)] = { /* (handled directly by us) */ - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = sizeof(struct iw_statistics), - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWSPY)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = sizeof(struct sockaddr), - .max_tokens = IW_MAX_SPY, - }, - [IW_IOCTL_IDX(SIOCGIWSPY)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = sizeof(struct sockaddr) + - sizeof(struct iw_quality), - .max_tokens = IW_MAX_SPY, - }, - [IW_IOCTL_IDX(SIOCSIWTHRSPY)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = sizeof(struct iw_thrspy), - .min_tokens = 1, - .max_tokens = 1, - }, - [IW_IOCTL_IDX(SIOCGIWTHRSPY)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = sizeof(struct iw_thrspy), - .min_tokens = 1, - .max_tokens = 1, - }, - [IW_IOCTL_IDX(SIOCSIWAP)] = { - .header_type = IW_HEADER_TYPE_ADDR, - }, - [IW_IOCTL_IDX(SIOCGIWAP)] = { - .header_type = IW_HEADER_TYPE_ADDR, - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWMLME)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .min_tokens = sizeof(struct iw_mlme), - .max_tokens = sizeof(struct iw_mlme), - }, - [IW_IOCTL_IDX(SIOCGIWAPLIST)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = sizeof(struct sockaddr) + - sizeof(struct iw_quality), - .max_tokens = IW_MAX_AP, - .flags = IW_DESCR_FLAG_NOMAX, - }, - [IW_IOCTL_IDX(SIOCSIWSCAN)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .min_tokens = 0, - .max_tokens = sizeof(struct iw_scan_req), - }, - [IW_IOCTL_IDX(SIOCGIWSCAN)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_SCAN_MAX_DATA, - .flags = IW_DESCR_FLAG_NOMAX, - }, - [IW_IOCTL_IDX(SIOCSIWESSID)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_ESSID_MAX_SIZE, - .flags = IW_DESCR_FLAG_EVENT, - }, - [IW_IOCTL_IDX(SIOCGIWESSID)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_ESSID_MAX_SIZE, - .flags = IW_DESCR_FLAG_DUMP, - }, - [IW_IOCTL_IDX(SIOCSIWNICKN)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_ESSID_MAX_SIZE, - }, - [IW_IOCTL_IDX(SIOCGIWNICKN)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_ESSID_MAX_SIZE, - }, - [IW_IOCTL_IDX(SIOCSIWRATE)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWRATE)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWRTS)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWRTS)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWFRAG)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWFRAG)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWTXPOW)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWTXPOW)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWRETRY)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWRETRY)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWENCODE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_ENCODING_TOKEN_MAX, - .flags = IW_DESCR_FLAG_EVENT | IW_DESCR_FLAG_RESTRICT, - }, - [IW_IOCTL_IDX(SIOCGIWENCODE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_ENCODING_TOKEN_MAX, - .flags = IW_DESCR_FLAG_DUMP | IW_DESCR_FLAG_RESTRICT, - }, - [IW_IOCTL_IDX(SIOCSIWPOWER)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWPOWER)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWGENIE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_GENERIC_IE_MAX, - }, - [IW_IOCTL_IDX(SIOCGIWGENIE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_GENERIC_IE_MAX, - }, - [IW_IOCTL_IDX(SIOCSIWAUTH)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCGIWAUTH)] = { - .header_type = IW_HEADER_TYPE_PARAM, - }, - [IW_IOCTL_IDX(SIOCSIWENCODEEXT)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .min_tokens = sizeof(struct iw_encode_ext), - .max_tokens = sizeof(struct iw_encode_ext) + - IW_ENCODING_TOKEN_MAX, - }, - [IW_IOCTL_IDX(SIOCGIWENCODEEXT)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .min_tokens = sizeof(struct iw_encode_ext), - .max_tokens = sizeof(struct iw_encode_ext) + - IW_ENCODING_TOKEN_MAX, - }, - [IW_IOCTL_IDX(SIOCSIWPMKSA)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .min_tokens = sizeof(struct iw_pmksa), - .max_tokens = sizeof(struct iw_pmksa), - }, -}; -static const unsigned standard_ioctl_num = ARRAY_SIZE(standard_ioctl); - -/* - * Meta-data about all the additional standard Wireless Extension events - * we know about. - */ -static const struct iw_ioctl_description standard_event[] = { - [IW_EVENT_IDX(IWEVTXDROP)] = { - .header_type = IW_HEADER_TYPE_ADDR, - }, - [IW_EVENT_IDX(IWEVQUAL)] = { - .header_type = IW_HEADER_TYPE_QUAL, - }, - [IW_EVENT_IDX(IWEVCUSTOM)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_CUSTOM_MAX, - }, - [IW_EVENT_IDX(IWEVREGISTERED)] = { - .header_type = IW_HEADER_TYPE_ADDR, - }, - [IW_EVENT_IDX(IWEVEXPIRED)] = { - .header_type = IW_HEADER_TYPE_ADDR, - }, - [IW_EVENT_IDX(IWEVGENIE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_GENERIC_IE_MAX, - }, - [IW_EVENT_IDX(IWEVMICHAELMICFAILURE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = sizeof(struct iw_michaelmicfailure), - }, - [IW_EVENT_IDX(IWEVASSOCREQIE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_GENERIC_IE_MAX, - }, - [IW_EVENT_IDX(IWEVASSOCRESPIE)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = IW_GENERIC_IE_MAX, - }, - [IW_EVENT_IDX(IWEVPMKIDCAND)] = { - .header_type = IW_HEADER_TYPE_POINT, - .token_size = 1, - .max_tokens = sizeof(struct iw_pmkid_cand), - }, -}; -static const unsigned standard_event_num = ARRAY_SIZE(standard_event); - -/* Size (in bytes) of various events */ -static const int event_type_size[] = { - IW_EV_LCP_LEN, /* IW_HEADER_TYPE_NULL */ - 0, - IW_EV_CHAR_LEN, /* IW_HEADER_TYPE_CHAR */ - 0, - IW_EV_UINT_LEN, /* IW_HEADER_TYPE_UINT */ - IW_EV_FREQ_LEN, /* IW_HEADER_TYPE_FREQ */ - IW_EV_ADDR_LEN, /* IW_HEADER_TYPE_ADDR */ - 0, - IW_EV_POINT_LEN, /* Without variable payload */ - IW_EV_PARAM_LEN, /* IW_HEADER_TYPE_PARAM */ - IW_EV_QUAL_LEN, /* IW_HEADER_TYPE_QUAL */ -}; - -#ifdef CONFIG_COMPAT -static const int compat_event_type_size[] = { - IW_EV_COMPAT_LCP_LEN, /* IW_HEADER_TYPE_NULL */ - 0, - IW_EV_COMPAT_CHAR_LEN, /* IW_HEADER_TYPE_CHAR */ - 0, - IW_EV_COMPAT_UINT_LEN, /* IW_HEADER_TYPE_UINT */ - IW_EV_COMPAT_FREQ_LEN, /* IW_HEADER_TYPE_FREQ */ - IW_EV_COMPAT_ADDR_LEN, /* IW_HEADER_TYPE_ADDR */ - 0, - IW_EV_COMPAT_POINT_LEN, /* Without variable payload */ - IW_EV_COMPAT_PARAM_LEN, /* IW_HEADER_TYPE_PARAM */ - IW_EV_COMPAT_QUAL_LEN, /* IW_HEADER_TYPE_QUAL */ -}; -#endif - - -/* IW event code */ - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) -static int __net_init wext_pernet_init(struct net *net) -{ - skb_queue_head_init(&net->wext_nlevents); - return 0; -} - -static void __net_exit wext_pernet_exit(struct net *net) -{ - skb_queue_purge(&net->wext_nlevents); -} - -static struct pernet_operations wext_pernet_ops = { - .init = wext_pernet_init, - .exit = wext_pernet_exit, -}; - -static int __init wireless_nlevent_init(void) -{ - return register_pernet_subsys(&wext_pernet_ops); -} - -subsys_initcall(wireless_nlevent_init); - -/* Process events generated by the wireless layer or the driver. */ -static void wireless_nlevent_process(struct work_struct *work) -{ - struct sk_buff *skb; - struct net *net; - - rtnl_lock(); - - for_each_net(net) { - while ((skb = skb_dequeue(&net->wext_nlevents))) - rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, - GFP_KERNEL); - } - - rtnl_unlock(); -} - -static DECLARE_WORK(wireless_nlevent_work, wireless_nlevent_process); - -#else -/* Older kernels get the old way of doing stuff*/ -static struct sk_buff_head wireless_nlevent_queue; - -static int __init wireless_nlevent_init(void) -{ - skb_queue_head_init(&wireless_nlevent_queue); - return 0; -} - -subsys_initcall(wireless_nlevent_init); - -static void wireless_nlevent_process(unsigned long data) -{ - struct sk_buff *skb; - while ((skb = skb_dequeue(&wireless_nlevent_queue))) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - rtnl_notify(skb, &init_net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); -#else - rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); -#endif -} - -static DECLARE_TASKLET(wireless_nlevent_tasklet, wireless_nlevent_process, 0); - -#endif - -static struct nlmsghdr *rtnetlink_ifinfo_prep(struct net_device *dev, - struct sk_buff *skb) -{ - struct ifinfomsg *r; - struct nlmsghdr *nlh; - - nlh = nlmsg_put(skb, 0, 0, RTM_NEWLINK, sizeof(*r), 0); - if (!nlh) - return NULL; - - r = nlmsg_data(nlh); - r->ifi_family = AF_UNSPEC; - r->__ifi_pad = 0; - r->ifi_type = dev->type; - r->ifi_index = dev->ifindex; - r->ifi_flags = dev_get_flags(dev); - r->ifi_change = 0; /* Wireless changes don't affect those flags */ - - NLA_PUT_STRING(skb, IFLA_IFNAME, dev->name); - - return nlh; - nla_put_failure: - nlmsg_cancel(skb, nlh); - return NULL; -} - - -/* - * Main event dispatcher. Called from other parts and drivers. - * Send the event on the appropriate channels. - * May be called from interrupt context. - */ -void wireless_send_event(struct net_device * dev, - unsigned int cmd, - union iwreq_data * wrqu, - const char * extra) -{ - const struct iw_ioctl_description * descr = NULL; - int extra_len = 0; - struct iw_event *event; /* Mallocated whole event */ - int event_len; /* Its size */ - int hdr_len; /* Size of the event header */ - int wrqu_off = 0; /* Offset in wrqu */ - /* Don't "optimise" the following variable, it will crash */ - unsigned cmd_index; /* *MUST* be unsigned */ - struct sk_buff *skb; - struct nlmsghdr *nlh; - struct nlattr *nla; -#ifdef CONFIG_COMPAT - struct __compat_iw_event *compat_event; - struct compat_iw_point compat_wrqu; - struct sk_buff *compskb; -#endif - - /* - * Nothing in the kernel sends scan events with data, be safe. - * This is necessary because we cannot fix up scan event data - * for compat, due to being contained in 'extra', but normally - * applications are required to retrieve the scan data anyway - * and no data is included in the event, this codifies that - * practice. - */ - if (WARN_ON(cmd == SIOCGIWSCAN && extra)) - extra = NULL; - - /* Get the description of the Event */ - if (cmd <= SIOCIWLAST) { - cmd_index = IW_IOCTL_IDX(cmd); - if (cmd_index < standard_ioctl_num) - descr = &(standard_ioctl[cmd_index]); - } else { - cmd_index = IW_EVENT_IDX(cmd); - if (cmd_index < standard_event_num) - descr = &(standard_event[cmd_index]); - } - /* Don't accept unknown events */ - if (descr == NULL) { - /* Note : we don't return an error to the driver, because - * the driver would not know what to do about it. It can't - * return an error to the user, because the event is not - * initiated by a user request. - * The best the driver could do is to log an error message. - * We will do it ourselves instead... - */ - netdev_err(dev, "(WE) : Invalid/Unknown Wireless Event (0x%04X)\n", - cmd); - return; - } - - /* Check extra parameters and set extra_len */ - if (descr->header_type == IW_HEADER_TYPE_POINT) { - /* Check if number of token fits within bounds */ - if (wrqu->data.length > descr->max_tokens) { - netdev_err(dev, "(WE) : Wireless Event too big (%d)\n", - wrqu->data.length); - return; - } - if (wrqu->data.length < descr->min_tokens) { - netdev_err(dev, "(WE) : Wireless Event too small (%d)\n", - wrqu->data.length); - return; - } - /* Calculate extra_len - extra is NULL for restricted events */ - if (extra != NULL) - extra_len = wrqu->data.length * descr->token_size; - /* Always at an offset in wrqu */ - wrqu_off = IW_EV_POINT_OFF; - } - - /* Total length of the event */ - hdr_len = event_type_size[descr->header_type]; - event_len = hdr_len + extra_len; - - /* - * The problem for 64/32 bit. - * - * On 64-bit, a regular event is laid out as follows: - * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | - * | event.len | event.cmd | p a d d i n g | - * | wrqu data ... (with the correct size) | - * - * This padding exists because we manipulate event->u, - * and 'event' is not packed. - * - * An iw_point event is laid out like this instead: - * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | - * | event.len | event.cmd | p a d d i n g | - * | iwpnt.len | iwpnt.flg | p a d d i n g | - * | extra data ... - * - * The second padding exists because struct iw_point is extended, - * but this depends on the platform... - * - * On 32-bit, all the padding shouldn't be there. - */ - - skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); - if (!skb) - return; - - /* Send via the RtNetlink event channel */ - nlh = rtnetlink_ifinfo_prep(dev, skb); - if (WARN_ON(!nlh)) { - kfree_skb(skb); - return; - } - - /* Add the wireless events in the netlink packet */ - nla = nla_reserve(skb, IFLA_WIRELESS, event_len); - if (!nla) { - kfree_skb(skb); - return; - } - event = nla_data(nla); - - /* Fill event - first clear to avoid data leaking */ - memset(event, 0, hdr_len); - event->len = event_len; - event->cmd = cmd; - memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN); - if (extra_len) - memcpy(((char *) event) + hdr_len, extra, extra_len); - - nlmsg_end(skb, nlh); -#ifdef CONFIG_COMPAT - hdr_len = compat_event_type_size[descr->header_type]; - event_len = hdr_len + extra_len; - - compskb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); - if (!compskb) { - kfree_skb(skb); - return; - } - - /* Send via the RtNetlink event channel */ - nlh = rtnetlink_ifinfo_prep(dev, compskb); - if (WARN_ON(!nlh)) { - kfree_skb(skb); - kfree_skb(compskb); - return; - } - - /* Add the wireless events in the netlink packet */ - nla = nla_reserve(compskb, IFLA_WIRELESS, event_len); - if (!nla) { - kfree_skb(skb); - kfree_skb(compskb); - return; - } - compat_event = nla_data(nla); - - compat_event->len = event_len; - compat_event->cmd = cmd; - if (descr->header_type == IW_HEADER_TYPE_POINT) { - compat_wrqu.length = wrqu->data.length; - compat_wrqu.flags = wrqu->data.flags; - memcpy(&compat_event->pointer, - ((char *) &compat_wrqu) + IW_EV_COMPAT_POINT_OFF, - hdr_len - IW_EV_COMPAT_LCP_LEN); - if (extra_len) - memcpy(((char *) compat_event) + hdr_len, - extra, extra_len); - } else { - /* extra_len must be zero, so no if (extra) needed */ - memcpy(&compat_event->pointer, wrqu, - hdr_len - IW_EV_COMPAT_LCP_LEN); - } - - nlmsg_end(compskb, nlh); - - skb_shinfo(skb)->frag_list = compskb; -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) - skb_queue_tail(&dev_net(dev)->wext_nlevents, skb); - schedule_work(&wireless_nlevent_work); -#else - skb_queue_tail(&wireless_nlevent_queue, skb); - tasklet_schedule(&wireless_nlevent_tasklet); -#endif -} -EXPORT_SYMBOL(wireless_send_event); - - - -/* IW handlers */ - -struct iw_statistics *get_wireless_stats(struct net_device *dev) -{ -#ifdef CONFIG_WIRELESS_EXT - if ((dev->wireless_handlers != NULL) && - (dev->wireless_handlers->get_wireless_stats != NULL)) - return dev->wireless_handlers->get_wireless_stats(dev); -#endif - -#ifdef CONFIG_CFG80211_WEXT - if (dev->ieee80211_ptr && - dev->ieee80211_ptr->wiphy && - dev->ieee80211_ptr->wiphy->wext && - dev->ieee80211_ptr->wiphy->wext->get_wireless_stats) - return dev->ieee80211_ptr->wiphy->wext->get_wireless_stats(dev); -#endif - - /* not found */ - return NULL; -} - -static int iw_handler_get_iwstats(struct net_device * dev, - struct iw_request_info * info, - union iwreq_data * wrqu, - char * extra) -{ - /* Get stats from the driver */ - struct iw_statistics *stats; - - stats = get_wireless_stats(dev); - if (stats) { - /* Copy statistics to extra */ - memcpy(extra, stats, sizeof(struct iw_statistics)); - wrqu->data.length = sizeof(struct iw_statistics); - - /* Check if we need to clear the updated flag */ - if (wrqu->data.flags != 0) - stats->qual.updated &= ~IW_QUAL_ALL_UPDATED; - return 0; - } else - return -EOPNOTSUPP; -} - -static iw_handler get_handler(struct net_device *dev, unsigned int cmd) -{ - /* Don't "optimise" the following variable, it will crash */ - unsigned int index; /* *MUST* be unsigned */ - const struct iw_handler_def *handlers = NULL; - -#ifdef CONFIG_CFG80211_WEXT - if (dev->ieee80211_ptr && dev->ieee80211_ptr->wiphy) - handlers = dev->ieee80211_ptr->wiphy->wext; -#endif -#ifdef CONFIG_WIRELESS_EXT - if (dev->wireless_handlers) - handlers = dev->wireless_handlers; -#endif - - if (!handlers) - return NULL; - - /* Try as a standard command */ - index = IW_IOCTL_IDX(cmd); - if (index < handlers->num_standard) - return handlers->standard[index]; - -#ifdef CONFIG_WEXT_PRIV - /* Try as a private command */ - index = cmd - SIOCIWFIRSTPRIV; - if (index < handlers->num_private) - return handlers->private[index]; -#endif - - /* Not found */ - return NULL; -} - -static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd, - const struct iw_ioctl_description *descr, - iw_handler handler, struct net_device *dev, - struct iw_request_info *info) -{ - int err, extra_size, user_length = 0, essid_compat = 0; - char *extra; - - /* Calculate space needed by arguments. Always allocate - * for max space. - */ - extra_size = descr->max_tokens * descr->token_size; - - /* Check need for ESSID compatibility for WE < 21 */ - switch (cmd) { - case SIOCSIWESSID: - case SIOCGIWESSID: - case SIOCSIWNICKN: - case SIOCGIWNICKN: - if (iwp->length == descr->max_tokens + 1) - essid_compat = 1; - else if (IW_IS_SET(cmd) && (iwp->length != 0)) { - char essid[IW_ESSID_MAX_SIZE + 1]; - unsigned int len; - len = iwp->length * descr->token_size; - - if (len > IW_ESSID_MAX_SIZE) - return -EFAULT; - - err = copy_from_user(essid, iwp->pointer, len); - if (err) - return -EFAULT; - - if (essid[iwp->length - 1] == '\0') - essid_compat = 1; - } - break; - default: - break; - } - - iwp->length -= essid_compat; - - /* Check what user space is giving us */ - if (IW_IS_SET(cmd)) { - /* Check NULL pointer */ - if (!iwp->pointer && iwp->length != 0) - return -EFAULT; - /* Check if number of token fits within bounds */ - if (iwp->length > descr->max_tokens) - return -E2BIG; - if (iwp->length < descr->min_tokens) - return -EINVAL; - } else { - /* Check NULL pointer */ - if (!iwp->pointer) - return -EFAULT; - /* Save user space buffer size for checking */ - user_length = iwp->length; - - /* Don't check if user_length > max to allow forward - * compatibility. The test user_length < min is - * implied by the test at the end. - */ - - /* Support for very large requests */ - if ((descr->flags & IW_DESCR_FLAG_NOMAX) && - (user_length > descr->max_tokens)) { - /* Allow userspace to GET more than max so - * we can support any size GET requests. - * There is still a limit : -ENOMEM. - */ - extra_size = user_length * descr->token_size; - - /* Note : user_length is originally a __u16, - * and token_size is controlled by us, - * so extra_size won't get negative and - * won't overflow... - */ - } - } - - /* kzalloc() ensures NULL-termination for essid_compat. */ - extra = kzalloc(extra_size, GFP_KERNEL); - if (!extra) - return -ENOMEM; - - /* If it is a SET, get all the extra data in here */ - if (IW_IS_SET(cmd) && (iwp->length != 0)) { - if (copy_from_user(extra, iwp->pointer, - iwp->length * - descr->token_size)) { - err = -EFAULT; - goto out; - } - - if (cmd == SIOCSIWENCODEEXT) { - struct iw_encode_ext *ee = (void *) extra; - - if (iwp->length < sizeof(*ee) + ee->key_len) - return -EFAULT; - } - } - - if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) { - /* - * If this is a GET, but not NOMAX, it means that the extra - * data is not bounded by userspace, but by max_tokens. Thus - * set the length to max_tokens. This matches the extra data - * allocation. - * The driver should fill it with the number of tokens it - * provided, and it may check iwp->length rather than having - * knowledge of max_tokens. If the driver doesn't change the - * iwp->length, this ioctl just copies back max_token tokens - * filled with zeroes. Hopefully the driver isn't claiming - * them to be valid data. - */ - iwp->length = descr->max_tokens; - } - - err = handler(dev, info, (union iwreq_data *) iwp, extra); - - iwp->length += essid_compat; - - /* If we have something to return to the user */ - if (!err && IW_IS_GET(cmd)) { - /* Check if there is enough buffer up there */ - if (user_length < iwp->length) { - err = -E2BIG; - goto out; - } - - if (copy_to_user(iwp->pointer, extra, - iwp->length * - descr->token_size)) { - err = -EFAULT; - goto out; - } - } - - /* Generate an event to notify listeners of the change */ - if ((descr->flags & IW_DESCR_FLAG_EVENT) && - ((err == 0) || (err == -EIWCOMMIT))) { - union iwreq_data *data = (union iwreq_data *) iwp; - - if (descr->flags & IW_DESCR_FLAG_RESTRICT) - /* If the event is restricted, don't - * export the payload. - */ - wireless_send_event(dev, cmd, data, NULL); - else - wireless_send_event(dev, cmd, data, extra); - } - -out: - kfree(extra); - return err; -} - -/* - * Call the commit handler in the driver - * (if exist and if conditions are right) - * - * Note : our current commit strategy is currently pretty dumb, - * but we will be able to improve on that... - * The goal is to try to agreagate as many changes as possible - * before doing the commit. Drivers that will define a commit handler - * are usually those that need a reset after changing parameters, so - * we want to minimise the number of reset. - * A cool idea is to use a timer : at each "set" command, we re-set the - * timer, when the timer eventually fires, we call the driver. - * Hopefully, more on that later. - * - * Also, I'm waiting to see how many people will complain about the - * netif_running(dev) test. I'm open on that one... - * Hopefully, the driver will remember to do a commit in "open()" ;-) - */ -int call_commit_handler(struct net_device *dev) -{ -#ifdef CONFIG_WIRELESS_EXT - if ((netif_running(dev)) && - (dev->wireless_handlers->standard[0] != NULL)) - /* Call the commit handler on the driver */ - return dev->wireless_handlers->standard[0](dev, NULL, - NULL, NULL); - else - return 0; /* Command completed successfully */ -#else - /* cfg80211 has no commit */ - return 0; -#endif -} - -/* - * Main IOCTl dispatcher. - * Check the type of IOCTL and call the appropriate wrapper... - */ -static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, - unsigned int cmd, - struct iw_request_info *info, - wext_ioctl_func standard, - wext_ioctl_func private) -{ - struct iwreq *iwr = (struct iwreq *) ifr; - struct net_device *dev; - iw_handler handler; - - /* Permissions are already checked in dev_ioctl() before calling us. - * The copy_to/from_user() of ifr is also dealt with in there */ - - /* Make sure the device exist */ - if ((dev = __dev_get_by_name(net, ifr->ifr_name)) == NULL) - return -ENODEV; - - /* A bunch of special cases, then the generic case... - * Note that 'cmd' is already filtered in dev_ioctl() with - * (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) */ - if (cmd == SIOCGIWSTATS) - return standard(dev, iwr, cmd, info, - &iw_handler_get_iwstats); - -#ifdef CONFIG_WEXT_PRIV - if (cmd == SIOCGIWPRIV && dev->wireless_handlers) - return standard(dev, iwr, cmd, info, - iw_handler_get_private); -#endif - - /* Basic check */ - if (!netif_device_present(dev)) - return -ENODEV; - - /* New driver API : try to find the handler */ - handler = get_handler(dev, cmd); - if (handler) { - /* Standard and private are not the same */ - if (cmd < SIOCIWFIRSTPRIV) - return standard(dev, iwr, cmd, info, handler); - else if (private) - return private(dev, iwr, cmd, info, handler); - } - /* Old driver API : call driver ioctl handler */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)) - if (dev->netdev_ops->ndo_do_ioctl) - return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd); -#else - if (dev->do_ioctl) - return dev->do_ioctl(dev, ifr, cmd); -#endif - return -EOPNOTSUPP; -} - -/* If command is `set a parameter', or `get the encoding parameters', - * check if the user has the right to do it. - */ -static int wext_permission_check(unsigned int cmd) -{ - if ((IW_IS_SET(cmd) || cmd == SIOCGIWENCODE || - cmd == SIOCGIWENCODEEXT) && - !capable(CAP_NET_ADMIN)) - return -EPERM; - - return 0; -} - -/* entry point from dev ioctl */ -static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr, - unsigned int cmd, struct iw_request_info *info, - wext_ioctl_func standard, - wext_ioctl_func private) -{ - int ret = wext_permission_check(cmd); - - if (ret) - return ret; - - dev_load(net, ifr->ifr_name); - rtnl_lock(); - ret = wireless_process_ioctl(net, ifr, cmd, info, standard, private); - rtnl_unlock(); - - return ret; -} - -/* - * Wrapper to call a standard Wireless Extension handler. - * We do various checks and also take care of moving data between - * user space and kernel space. - */ -static int ioctl_standard_call(struct net_device * dev, - struct iwreq *iwr, - unsigned int cmd, - struct iw_request_info *info, - iw_handler handler) -{ - const struct iw_ioctl_description * descr; - int ret = -EINVAL; - - /* Get the description of the IOCTL */ - if (IW_IOCTL_IDX(cmd) >= standard_ioctl_num) - return -EOPNOTSUPP; - descr = &(standard_ioctl[IW_IOCTL_IDX(cmd)]); - - /* Check if we have a pointer to user space data or not */ - if (descr->header_type != IW_HEADER_TYPE_POINT) { - - /* No extra arguments. Trivial to handle */ - ret = handler(dev, info, &(iwr->u), NULL); - - /* Generate an event to notify listeners of the change */ - if ((descr->flags & IW_DESCR_FLAG_EVENT) && - ((ret == 0) || (ret == -EIWCOMMIT))) - wireless_send_event(dev, cmd, &(iwr->u), NULL); - } else { - ret = ioctl_standard_iw_point(&iwr->u.data, cmd, descr, - handler, dev, info); - } - - /* Call commit handler if needed and defined */ - if (ret == -EIWCOMMIT) - ret = call_commit_handler(dev); - - /* Here, we will generate the appropriate event if needed */ - - return ret; -} - - -int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd, - void __user *arg) -{ - struct iw_request_info info = { .cmd = cmd, .flags = 0 }; - int ret; - - ret = wext_ioctl_dispatch(net, ifr, cmd, &info, - ioctl_standard_call, - ioctl_private_call); - if (ret >= 0 && - IW_IS_GET(cmd) && - copy_to_user(arg, ifr, sizeof(struct iwreq))) - return -EFAULT; - - return ret; -} - -#ifdef CONFIG_COMPAT -static int compat_standard_call(struct net_device *dev, - struct iwreq *iwr, - unsigned int cmd, - struct iw_request_info *info, - iw_handler handler) -{ - const struct iw_ioctl_description *descr; - struct compat_iw_point *iwp_compat; - struct iw_point iwp; - int err; - - descr = standard_ioctl + IW_IOCTL_IDX(cmd); - - if (descr->header_type != IW_HEADER_TYPE_POINT) - return ioctl_standard_call(dev, iwr, cmd, info, handler); - - iwp_compat = (struct compat_iw_point *) &iwr->u.data; - iwp.pointer = compat_ptr(iwp_compat->pointer); - iwp.length = iwp_compat->length; - iwp.flags = iwp_compat->flags; - - err = ioctl_standard_iw_point(&iwp, cmd, descr, handler, dev, info); - - iwp_compat->pointer = ptr_to_compat(iwp.pointer); - iwp_compat->length = iwp.length; - iwp_compat->flags = iwp.flags; - - return err; -} - -int compat_wext_handle_ioctl(struct net *net, unsigned int cmd, - unsigned long arg) -{ - void __user *argp = (void __user *)arg; - struct iw_request_info info; - struct iwreq iwr; - char *colon; - int ret; - - if (copy_from_user(&iwr, argp, sizeof(struct iwreq))) - return -EFAULT; - - iwr.ifr_name[IFNAMSIZ-1] = 0; - colon = strchr(iwr.ifr_name, ':'); - if (colon) - *colon = 0; - - info.cmd = cmd; - info.flags = IW_REQUEST_FLAG_COMPAT; - - ret = wext_ioctl_dispatch(net, (struct ifreq *) &iwr, cmd, &info, - compat_standard_call, - compat_private_call); - - if (ret >= 0 && - IW_IS_GET(cmd) && - copy_to_user(argp, &iwr, sizeof(struct iwreq))) - return -EFAULT; - - return ret; -} -#endif diff --git a/net/wireless_ath/wext-priv.c b/net/wireless_ath/wext-priv.c deleted file mode 100755 index 674d426..0000000 --- a/net/wireless_ath/wext-priv.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * This file implement the Wireless Extensions priv API. - * - * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * - * (As all part of the Linux kernel, this file is GPL) - */ -#include <linux/slab.h> -#include <linux/wireless.h> -#include <linux/netdevice.h> -#include <net/iw_handler.h> -#include <net/wext.h> - -int iw_handler_get_private(struct net_device * dev, - struct iw_request_info * info, - union iwreq_data * wrqu, - char * extra) -{ - /* Check if the driver has something to export */ - if ((dev->wireless_handlers->num_private_args == 0) || - (dev->wireless_handlers->private_args == NULL)) - return -EOPNOTSUPP; - - /* Check if there is enough buffer up there */ - if (wrqu->data.length < dev->wireless_handlers->num_private_args) { - /* User space can't know in advance how large the buffer - * needs to be. Give it a hint, so that we can support - * any size buffer we want somewhat efficiently... */ - wrqu->data.length = dev->wireless_handlers->num_private_args; - return -E2BIG; - } - - /* Set the number of available ioctls. */ - wrqu->data.length = dev->wireless_handlers->num_private_args; - - /* Copy structure to the user buffer. */ - memcpy(extra, dev->wireless_handlers->private_args, - sizeof(struct iw_priv_args) * wrqu->data.length); - - return 0; -} - -/* Size (in bytes) of the various private data types */ -static const char iw_priv_type_size[] = { - 0, /* IW_PRIV_TYPE_NONE */ - 1, /* IW_PRIV_TYPE_BYTE */ - 1, /* IW_PRIV_TYPE_CHAR */ - 0, /* Not defined */ - sizeof(__u32), /* IW_PRIV_TYPE_INT */ - sizeof(struct iw_freq), /* IW_PRIV_TYPE_FLOAT */ - sizeof(struct sockaddr), /* IW_PRIV_TYPE_ADDR */ - 0, /* Not defined */ -}; - -static int get_priv_size(__u16 args) -{ - int num = args & IW_PRIV_SIZE_MASK; - int type = (args & IW_PRIV_TYPE_MASK) >> 12; - - return num * iw_priv_type_size[type]; -} - -static int adjust_priv_size(__u16 args, struct iw_point *iwp) -{ - int num = iwp->length; - int max = args & IW_PRIV_SIZE_MASK; - int type = (args & IW_PRIV_TYPE_MASK) >> 12; - - /* Make sure the driver doesn't goof up */ - if (max < num) - num = max; - - return num * iw_priv_type_size[type]; -} - -/* - * Wrapper to call a private Wireless Extension handler. - * We do various checks and also take care of moving data between - * user space and kernel space. - * It's not as nice and slimline as the standard wrapper. The cause - * is struct iw_priv_args, which was not really designed for the - * job we are going here. - * - * IMPORTANT : This function prevent to set and get data on the same - * IOCTL and enforce the SET/GET convention. Not doing it would be - * far too hairy... - * If you need to set and get data at the same time, please don't use - * a iw_handler but process it in your ioctl handler (i.e. use the - * old driver API). - */ -static int get_priv_descr_and_size(struct net_device *dev, unsigned int cmd, - const struct iw_priv_args **descrp) -{ - const struct iw_priv_args *descr; - int i, extra_size; - - descr = NULL; - for (i = 0; i < dev->wireless_handlers->num_private_args; i++) { - if (cmd == dev->wireless_handlers->private_args[i].cmd) { - descr = &dev->wireless_handlers->private_args[i]; - break; - } - } - - extra_size = 0; - if (descr) { - if (IW_IS_SET(cmd)) { - int offset = 0; /* For sub-ioctls */ - /* Check for sub-ioctl handler */ - if (descr->name[0] == '\0') - /* Reserve one int for sub-ioctl index */ - offset = sizeof(__u32); - - /* Size of set arguments */ - extra_size = get_priv_size(descr->set_args); - - /* Does it fits in iwr ? */ - if ((descr->set_args & IW_PRIV_SIZE_FIXED) && - ((extra_size + offset) <= IFNAMSIZ)) - extra_size = 0; - } else { - /* Size of get arguments */ - extra_size = get_priv_size(descr->get_args); - - /* Does it fits in iwr ? */ - if ((descr->get_args & IW_PRIV_SIZE_FIXED) && - (extra_size <= IFNAMSIZ)) - extra_size = 0; - } - } - *descrp = descr; - return extra_size; -} - -static int ioctl_private_iw_point(struct iw_point *iwp, unsigned int cmd, - const struct iw_priv_args *descr, - iw_handler handler, struct net_device *dev, - struct iw_request_info *info, int extra_size) -{ - char *extra; - int err; - - /* Check what user space is giving us */ - if (IW_IS_SET(cmd)) { - if (!iwp->pointer && iwp->length != 0) - return -EFAULT; - - if (iwp->length > (descr->set_args & IW_PRIV_SIZE_MASK)) - return -E2BIG; - } else if (!iwp->pointer) - return -EFAULT; - - extra = kzalloc(extra_size, GFP_KERNEL); - if (!extra) - return -ENOMEM; - - /* If it is a SET, get all the extra data in here */ - if (IW_IS_SET(cmd) && (iwp->length != 0)) { - if (copy_from_user(extra, iwp->pointer, extra_size)) { - err = -EFAULT; - goto out; - } - } - - /* Call the handler */ - err = handler(dev, info, (union iwreq_data *) iwp, extra); - - /* If we have something to return to the user */ - if (!err && IW_IS_GET(cmd)) { - /* Adjust for the actual length if it's variable, - * avoid leaking kernel bits outside. - */ - if (!(descr->get_args & IW_PRIV_SIZE_FIXED)) - extra_size = adjust_priv_size(descr->get_args, iwp); - - if (copy_to_user(iwp->pointer, extra, extra_size)) - err = -EFAULT; - } - -out: - kfree(extra); - return err; -} - -int ioctl_private_call(struct net_device *dev, struct iwreq *iwr, - unsigned int cmd, struct iw_request_info *info, - iw_handler handler) -{ - int extra_size = 0, ret = -EINVAL; - const struct iw_priv_args *descr; - - extra_size = get_priv_descr_and_size(dev, cmd, &descr); - - /* Check if we have a pointer to user space data or not. */ - if (extra_size == 0) { - /* No extra arguments. Trivial to handle */ - ret = handler(dev, info, &(iwr->u), (char *) &(iwr->u)); - } else { - ret = ioctl_private_iw_point(&iwr->u.data, cmd, descr, - handler, dev, info, extra_size); - } - - /* Call commit handler if needed and defined */ - if (ret == -EIWCOMMIT) - ret = call_commit_handler(dev); - - return ret; -} - -#ifdef CONFIG_COMPAT -int compat_private_call(struct net_device *dev, struct iwreq *iwr, - unsigned int cmd, struct iw_request_info *info, - iw_handler handler) -{ - const struct iw_priv_args *descr; - int ret, extra_size; - - extra_size = get_priv_descr_and_size(dev, cmd, &descr); - - /* Check if we have a pointer to user space data or not. */ - if (extra_size == 0) { - /* No extra arguments. Trivial to handle */ - ret = handler(dev, info, &(iwr->u), (char *) &(iwr->u)); - } else { - struct compat_iw_point *iwp_compat; - struct iw_point iwp; - - iwp_compat = (struct compat_iw_point *) &iwr->u.data; - iwp.pointer = compat_ptr(iwp_compat->pointer); - iwp.length = iwp_compat->length; - iwp.flags = iwp_compat->flags; - - ret = ioctl_private_iw_point(&iwp, cmd, descr, - handler, dev, info, extra_size); - - iwp_compat->pointer = ptr_to_compat(iwp.pointer); - iwp_compat->length = iwp.length; - iwp_compat->flags = iwp.flags; - } - - /* Call commit handler if needed and defined */ - if (ret == -EIWCOMMIT) - ret = call_commit_handler(dev); - - return ret; -} -#endif diff --git a/net/wireless_ath/wext-proc.c b/net/wireless_ath/wext-proc.c deleted file mode 100755 index f2fbfa6..0000000 --- a/net/wireless_ath/wext-proc.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * This file implement the Wireless Extensions proc API. - * - * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. - * - * (As all part of the Linux kernel, this file is GPL) - */ - -/* - * The /proc/net/wireless file is a human readable user-space interface - * exporting various wireless specific statistics from the wireless devices. - * This is the most popular part of the Wireless Extensions ;-) - * - * This interface is a pure clone of /proc/net/dev (in net/core/dev.c). - * The content of the file is basically the content of "struct iw_statistics". - */ - -#include <linux/module.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/wireless.h> -#include <linux/netdevice.h> -#include <linux/rtnetlink.h> -#include <net/iw_handler.h> -#include <net/wext.h> - - -static void wireless_seq_printf_stats(struct seq_file *seq, - struct net_device *dev) -{ - /* Get stats from the driver */ - struct iw_statistics *stats = get_wireless_stats(dev); - static struct iw_statistics nullstats = {}; - - /* show device if it's wireless regardless of current stats */ - if (!stats) { -#ifdef CONFIG_WIRELESS_EXT - if (dev->wireless_handlers) - stats = &nullstats; -#endif -#ifdef CONFIG_CFG80211 - if (dev->ieee80211_ptr) - stats = &nullstats; -#endif - } - - if (stats) { - seq_printf(seq, "%6s: %04x %3d%c %3d%c %3d%c %6d %6d %6d " - "%6d %6d %6d\n", - dev->name, stats->status, stats->qual.qual, - stats->qual.updated & IW_QUAL_QUAL_UPDATED - ? '.' : ' ', - ((__s32) stats->qual.level) - - ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0), - stats->qual.updated & IW_QUAL_LEVEL_UPDATED - ? '.' : ' ', - ((__s32) stats->qual.noise) - - ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0), - stats->qual.updated & IW_QUAL_NOISE_UPDATED - ? '.' : ' ', - stats->discard.nwid, stats->discard.code, - stats->discard.fragment, stats->discard.retries, - stats->discard.misc, stats->miss.beacon); - - if (stats != &nullstats) - stats->qual.updated &= ~IW_QUAL_ALL_UPDATED; - } -} - -/* ---------------------------------------------------------------- */ -/* - * Print info for /proc/net/wireless (print all entries) - */ -static int wireless_dev_seq_show(struct seq_file *seq, void *v) -{ - might_sleep(); - - if (v == SEQ_START_TOKEN) - seq_printf(seq, "Inter-| sta-| Quality | Discarded " - "packets | Missed | WE\n" - " face | tus | link level noise | nwid " - "crypt frag retry misc | beacon | %d\n", - WIRELESS_EXT); - else - wireless_seq_printf_stats(seq, v); - return 0; -} - -static void *wireless_dev_seq_start(struct seq_file *seq, loff_t *pos) -{ - struct net *net = seq_file_net(seq); - loff_t off; - struct net_device *dev; - - rtnl_lock(); - if (!*pos) - return SEQ_START_TOKEN; - - off = 1; -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)) - for_each_netdev(net, dev) -#else - for_each_netdev(net) -#endif - if (off++ == *pos) - return dev; - return NULL; -} - -static void *wireless_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos) -{ - struct net *net = seq_file_net(seq); - - ++*pos; - - return v == SEQ_START_TOKEN ? - first_net_device(net) : next_net_device(v); -} - -static void wireless_dev_seq_stop(struct seq_file *seq, void *v) -{ - rtnl_unlock(); -} - -static const struct seq_operations wireless_seq_ops = { - .start = wireless_dev_seq_start, - .next = wireless_dev_seq_next, - .stop = wireless_dev_seq_stop, - .show = wireless_dev_seq_show, -}; - -static int seq_open_wireless(struct inode *inode, struct file *file) -{ - return seq_open_net(inode, file, &wireless_seq_ops, - sizeof(struct seq_net_private)); -} - -static const struct file_operations wireless_seq_fops = { - .owner = THIS_MODULE, - .open = seq_open_wireless, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release_net, -}; - -int __net_init wext_proc_init(struct net *net) -{ - /* Create /proc/net/wireless entry */ - if (!proc_net_fops_create(net, "wireless", S_IRUGO, &wireless_seq_fops)) - return -ENOMEM; - - return 0; -} - -void __net_exit wext_proc_exit(struct net *net) -{ - proc_net_remove(net, "wireless"); -} diff --git a/net/wireless_ath/wext-sme.c b/net/wireless_ath/wext-sme.c deleted file mode 100755 index be681b0..0000000 --- a/net/wireless_ath/wext-sme.c +++ /dev/null @@ -1,408 +0,0 @@ -/* - * cfg80211 wext compat for managed mode. - * - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * Copyright (C) 2009 Intel Corporation. All rights reserved. - */ - -#include <linux/export.h> -#include <linux/etherdevice.h> -#include <linux/if_arp.h> -#include <linux/slab.h> -#include <net/cfg80211.h> -#include <net/cfg80211-wext.h> -#include "wext-compat.h" -#include "nl80211.h" - -int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) -{ - struct cfg80211_cached_keys *ck = NULL; - const u8 *prev_bssid = NULL; - int err, i; - - ASSERT_RDEV_LOCK(rdev); - ASSERT_WDEV_LOCK(wdev); - -#ifdef CONFIG_MACH_PX -#else - if (!netif_running(wdev->netdev)) - return 0; -#endif - - wdev->wext.connect.ie = wdev->wext.ie; - wdev->wext.connect.ie_len = wdev->wext.ie_len; - - if (wdev->wext.keys) { - wdev->wext.keys->def = wdev->wext.default_key; - wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key; - if (wdev->wext.default_key != -1) - wdev->wext.connect.privacy = true; - } - - if (!wdev->wext.connect.ssid_len) - return 0; - - if (wdev->wext.keys) { - ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL); - if (!ck) - return -ENOMEM; - for (i = 0; i < 6; i++) - ck->params[i].key = ck->data[i]; - } - - if (wdev->wext.prev_bssid_valid) - prev_bssid = wdev->wext.prev_bssid; - - err = __cfg80211_connect(rdev, wdev->netdev, - &wdev->wext.connect, ck, prev_bssid); - if (err) - kfree(ck); - - return err; -} - -int cfg80211_mgd_wext_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *wextfreq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - struct ieee80211_channel *chan = NULL; - int err, freq; - - /* call only for station! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) - return -EINVAL; - - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); - if (freq < 0) - return freq; - - if (freq) { - chan = ieee80211_get_channel(wdev->wiphy, freq); - if (!chan) - return -EINVAL; - if (chan->flags & IEEE80211_CHAN_DISABLED) - return -EINVAL; - } - - cfg80211_lock_rdev(rdev); - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - - if (wdev->sme_state != CFG80211_SME_IDLE) { - bool event = true; - - if (wdev->wext.connect.channel == chan) { - err = 0; - goto out; - } - - /* if SSID set, we'll try right again, avoid event */ - if (wdev->wext.connect.ssid_len) - event = false; - err = __cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, event); - if (err) - goto out; - } - - - wdev->wext.connect.channel = chan; - - /* SSID is not set, we just want to switch channel */ - if (chan && !wdev->wext.connect.ssid_len) { - err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); - goto out; - } - - err = cfg80211_mgd_wext_connect(rdev, wdev); - out: - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - cfg80211_unlock_rdev(rdev); - return err; -} - -int cfg80211_mgd_wext_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct ieee80211_channel *chan = NULL; - - /* call only for station! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) - return -EINVAL; - - wdev_lock(wdev); - if (wdev->current_bss) - chan = wdev->current_bss->pub.channel; - else if (wdev->wext.connect.channel) - chan = wdev->wext.connect.channel; - wdev_unlock(wdev); - - if (chan) { - freq->m = chan->center_freq; - freq->e = 6; - return 0; - } - - /* no channel if not joining */ - return -EINVAL; -} - -int cfg80211_mgd_wext_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - size_t len = data->length; - int err; - - /* call only for station! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) - return -EINVAL; - - if (!data->flags) - len = 0; - - /* iwconfig uses nul termination in SSID.. */ - if (len > 0 && ssid[len - 1] == '\0') - len--; - - cfg80211_lock_rdev(rdev); - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - - err = 0; - - if (wdev->sme_state != CFG80211_SME_IDLE) { - bool event = true; - - if (wdev->wext.connect.ssid && len && - len == wdev->wext.connect.ssid_len && - memcmp(wdev->wext.connect.ssid, ssid, len) == 0) - goto out; - - /* if SSID set now, we'll try to connect, avoid event */ - if (len) - event = false; - err = __cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, event); - if (err) - goto out; - } - - wdev->wext.prev_bssid_valid = false; - wdev->wext.connect.ssid = wdev->wext.ssid; - memcpy(wdev->wext.ssid, ssid, len); - wdev->wext.connect.ssid_len = len; - - wdev->wext.connect.crypto.control_port = false; - wdev->wext.connect.crypto.control_port_ethertype = - cpu_to_be16(ETH_P_PAE); - - err = cfg80211_mgd_wext_connect(rdev, wdev); - out: - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - cfg80211_unlock_rdev(rdev); - return err; -} - -int cfg80211_mgd_wext_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - /* call only for station! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) - return -EINVAL; - - data->flags = 0; - - wdev_lock(wdev); - if (wdev->current_bss) { - const u8 *ie = ieee80211_bss_get_ie(&wdev->current_bss->pub, - WLAN_EID_SSID); - if (ie) { - data->flags = 1; - data->length = ie[1]; - memcpy(ssid, ie + 2, data->length); - } - } else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) { - data->flags = 1; - data->length = wdev->wext.connect.ssid_len; - memcpy(ssid, wdev->wext.connect.ssid, data->length); - } - wdev_unlock(wdev); - - return 0; -} - -int cfg80211_mgd_wext_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u8 *bssid = ap_addr->sa_data; - int err; - - /* call only for station! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) - return -EINVAL; - - if (ap_addr->sa_family != ARPHRD_ETHER) - return -EINVAL; - - /* automatic mode */ - if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) - bssid = NULL; - - cfg80211_lock_rdev(rdev); - mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - - if (wdev->sme_state != CFG80211_SME_IDLE) { - err = 0; - /* both automatic */ - if (!bssid && !wdev->wext.connect.bssid) - goto out; - - /* fixed already - and no change */ - if (wdev->wext.connect.bssid && bssid && - compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0) - goto out; - - err = __cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, false); - if (err) - goto out; - } - - if (bssid) { - memcpy(wdev->wext.bssid, bssid, ETH_ALEN); - wdev->wext.connect.bssid = wdev->wext.bssid; - } else - wdev->wext.connect.bssid = NULL; - - err = cfg80211_mgd_wext_connect(rdev, wdev); - out: - wdev_unlock(wdev); - mutex_unlock(&rdev->devlist_mtx); - cfg80211_unlock_rdev(rdev); - return err; -} - -int cfg80211_mgd_wext_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - - /* call only for station! */ - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) - return -EINVAL; - - ap_addr->sa_family = ARPHRD_ETHER; - - wdev_lock(wdev); - if (wdev->current_bss) - memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN); - else - memset(ap_addr->sa_data, 0, ETH_ALEN); - wdev_unlock(wdev); - - return 0; -} - -int cfg80211_wext_siwgenie(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); - u8 *ie = extra; - int ie_len = data->length, err; - - if (wdev->iftype != NL80211_IFTYPE_STATION) - return -EOPNOTSUPP; - - if (!ie_len) - ie = NULL; - - wdev_lock(wdev); - - /* no change */ - err = 0; - if (wdev->wext.ie_len == ie_len && - memcmp(wdev->wext.ie, ie, ie_len) == 0) - goto out; - - if (ie_len) { - ie = kmemdup(extra, ie_len, GFP_KERNEL); - if (!ie) { - err = -ENOMEM; - goto out; - } - } else - ie = NULL; - - kfree(wdev->wext.ie); - wdev->wext.ie = ie; - wdev->wext.ie_len = ie_len; - - if (wdev->sme_state != CFG80211_SME_IDLE) { - err = __cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, false); - if (err) - goto out; - } - - /* userspace better not think we'll reconnect */ - err = 0; - out: - wdev_unlock(wdev); - return err; -} - -int cfg80211_wext_siwmlme(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - struct iw_mlme *mlme = (struct iw_mlme *)extra; - struct cfg80211_registered_device *rdev; - int err; - - if (!wdev) - return -EOPNOTSUPP; - - rdev = wiphy_to_dev(wdev->wiphy); - - if (wdev->iftype != NL80211_IFTYPE_STATION) - return -EINVAL; - - if (mlme->addr.sa_family != ARPHRD_ETHER) - return -EINVAL; - - wdev_lock(wdev); - switch (mlme->cmd) { - case IW_MLME_DEAUTH: - case IW_MLME_DISASSOC: - err = __cfg80211_disconnect(rdev, dev, mlme->reason_code, - true); - break; - default: - err = -EOPNOTSUPP; - break; - } - wdev_unlock(wdev); - - return err; -} diff --git a/net/wireless_ath/wext-spy.c b/net/wireless_ath/wext-spy.c deleted file mode 100755 index 9e0dc1b..0000000 --- a/net/wireless_ath/wext-spy.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * This file implement the Wireless Extensions spy API. - * - * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. - * - * (As all part of the Linux kernel, this file is GPL) - */ - -#include <linux/wireless.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/export.h> -#include <net/iw_handler.h> -#include <net/arp.h> -#include <net/wext.h> - -static inline struct iw_spy_data *get_spydata(struct net_device *dev) -{ - /* This is the new way */ - if (dev->wireless_data) - return dev->wireless_data->spy_data; - return NULL; -} - -int iw_handler_set_spy(struct net_device * dev, - struct iw_request_info * info, - union iwreq_data * wrqu, - char * extra) -{ - struct iw_spy_data * spydata = get_spydata(dev); - struct sockaddr * address = (struct sockaddr *) extra; - - /* Make sure driver is not buggy or using the old API */ - if (!spydata) - return -EOPNOTSUPP; - - /* Disable spy collection while we copy the addresses. - * While we copy addresses, any call to wireless_spy_update() - * will NOP. This is OK, as anyway the addresses are changing. */ - spydata->spy_number = 0; - - /* We want to operate without locking, because wireless_spy_update() - * most likely will happen in the interrupt handler, and therefore - * have its own locking constraints and needs performance. - * The rtnl_lock() make sure we don't race with the other iw_handlers. - * This make sure wireless_spy_update() "see" that the spy list - * is temporarily disabled. */ - smp_wmb(); - - /* Are there are addresses to copy? */ - if (wrqu->data.length > 0) { - int i; - - /* Copy addresses */ - for (i = 0; i < wrqu->data.length; i++) - memcpy(spydata->spy_address[i], address[i].sa_data, - ETH_ALEN); - /* Reset stats */ - memset(spydata->spy_stat, 0, - sizeof(struct iw_quality) * IW_MAX_SPY); - } - - /* Make sure above is updated before re-enabling */ - smp_wmb(); - - /* Enable addresses */ - spydata->spy_number = wrqu->data.length; - - return 0; -} -EXPORT_SYMBOL(iw_handler_set_spy); - -int iw_handler_get_spy(struct net_device * dev, - struct iw_request_info * info, - union iwreq_data * wrqu, - char * extra) -{ - struct iw_spy_data * spydata = get_spydata(dev); - struct sockaddr * address = (struct sockaddr *) extra; - int i; - - /* Make sure driver is not buggy or using the old API */ - if (!spydata) - return -EOPNOTSUPP; - - wrqu->data.length = spydata->spy_number; - - /* Copy addresses. */ - for (i = 0; i < spydata->spy_number; i++) { - memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN); - address[i].sa_family = AF_UNIX; - } - /* Copy stats to the user buffer (just after). */ - if (spydata->spy_number > 0) - memcpy(extra + (sizeof(struct sockaddr) *spydata->spy_number), - spydata->spy_stat, - sizeof(struct iw_quality) * spydata->spy_number); - /* Reset updated flags. */ - for (i = 0; i < spydata->spy_number; i++) - spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED; - return 0; -} -EXPORT_SYMBOL(iw_handler_get_spy); - -/*------------------------------------------------------------------*/ -/* - * Standard Wireless Handler : set spy threshold - */ -int iw_handler_set_thrspy(struct net_device * dev, - struct iw_request_info *info, - union iwreq_data * wrqu, - char * extra) -{ - struct iw_spy_data * spydata = get_spydata(dev); - struct iw_thrspy * threshold = (struct iw_thrspy *) extra; - - /* Make sure driver is not buggy or using the old API */ - if (!spydata) - return -EOPNOTSUPP; - - /* Just do it */ - memcpy(&(spydata->spy_thr_low), &(threshold->low), - 2 * sizeof(struct iw_quality)); - - /* Clear flag */ - memset(spydata->spy_thr_under, '\0', sizeof(spydata->spy_thr_under)); - - return 0; -} -EXPORT_SYMBOL(iw_handler_set_thrspy); - -/*------------------------------------------------------------------*/ -/* - * Standard Wireless Handler : get spy threshold - */ -int iw_handler_get_thrspy(struct net_device * dev, - struct iw_request_info *info, - union iwreq_data * wrqu, - char * extra) -{ - struct iw_spy_data * spydata = get_spydata(dev); - struct iw_thrspy * threshold = (struct iw_thrspy *) extra; - - /* Make sure driver is not buggy or using the old API */ - if (!spydata) - return -EOPNOTSUPP; - - /* Just do it */ - memcpy(&(threshold->low), &(spydata->spy_thr_low), - 2 * sizeof(struct iw_quality)); - - return 0; -} -EXPORT_SYMBOL(iw_handler_get_thrspy); - -/*------------------------------------------------------------------*/ -/* - * Prepare and send a Spy Threshold event - */ -static void iw_send_thrspy_event(struct net_device * dev, - struct iw_spy_data * spydata, - unsigned char * address, - struct iw_quality * wstats) -{ - union iwreq_data wrqu; - struct iw_thrspy threshold; - - /* Init */ - wrqu.data.length = 1; - wrqu.data.flags = 0; - /* Copy address */ - memcpy(threshold.addr.sa_data, address, ETH_ALEN); - threshold.addr.sa_family = ARPHRD_ETHER; - /* Copy stats */ - memcpy(&(threshold.qual), wstats, sizeof(struct iw_quality)); - /* Copy also thresholds */ - memcpy(&(threshold.low), &(spydata->spy_thr_low), - 2 * sizeof(struct iw_quality)); - - /* Send event to user space */ - wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold); -} - -/* ---------------------------------------------------------------- */ -/* - * Call for the driver to update the spy data. - * For now, the spy data is a simple array. As the size of the array is - * small, this is good enough. If we wanted to support larger number of - * spy addresses, we should use something more efficient... - */ -void wireless_spy_update(struct net_device * dev, - unsigned char * address, - struct iw_quality * wstats) -{ - struct iw_spy_data * spydata = get_spydata(dev); - int i; - int match = -1; - - /* Make sure driver is not buggy or using the old API */ - if (!spydata) - return; - - /* Update all records that match */ - for (i = 0; i < spydata->spy_number; i++) - if (!compare_ether_addr(address, spydata->spy_address[i])) { - memcpy(&(spydata->spy_stat[i]), wstats, - sizeof(struct iw_quality)); - match = i; - } - - /* Generate an event if we cross the spy threshold. - * To avoid event storms, we have a simple hysteresis : we generate - * event only when we go under the low threshold or above the - * high threshold. */ - if (match >= 0) { - if (spydata->spy_thr_under[match]) { - if (wstats->level > spydata->spy_thr_high.level) { - spydata->spy_thr_under[match] = 0; - iw_send_thrspy_event(dev, spydata, - address, wstats); - } - } else { - if (wstats->level < spydata->spy_thr_low.level) { - spydata->spy_thr_under[match] = 1; - iw_send_thrspy_event(dev, spydata, - address, wstats); - } - } - } -} -EXPORT_SYMBOL(wireless_spy_update); |