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author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-24 02:08:33 +0200 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-24 02:08:33 +0200 |
commit | f0b9ad5690ed96f95d91ca19fba2fb2894bae6f0 (patch) | |
tree | d1b649e6f97ac0f1fc9864a296021c71cf69cd21 /net/wireless_ath/mlme.c | |
parent | 272e77de798362c31e6452a46a0e7d5b6aaeb550 (diff) | |
download | kernel_samsung_smdk4412-f0b9ad5690ed96f95d91ca19fba2fb2894bae6f0.zip kernel_samsung_smdk4412-f0b9ad5690ed96f95d91ca19fba2fb2894bae6f0.tar.gz kernel_samsung_smdk4412-f0b9ad5690ed96f95d91ca19fba2fb2894bae6f0.tar.bz2 |
update network codemigrate_3.2
Diffstat (limited to 'net/wireless_ath/mlme.c')
-rwxr-xr-x | net/wireless_ath/mlme.c | 1140 |
1 files changed, 0 insertions, 1140 deletions
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); |