diff options
30 files changed, 680 insertions, 694 deletions
diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig index 1fef331..87bbd4d 100644 --- a/drivers/net/wireless/hostap/Kconfig +++ b/drivers/net/wireless/hostap/Kconfig @@ -2,8 +2,10 @@ config HOSTAP tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)" depends on WLAN_80211 select WIRELESS_EXT - select IEEE80211 - select IEEE80211_CRYPT_WEP + select LIB80211 + select LIB80211_CRYPT_WEP + select LIB80211_CRYPT_TKIP + select LIB80211_CRYPT_CCMP ---help--- Shared driver code for IEEE 802.11b wireless cards based on Intersil Prism2/2.5/3 chipset. This driver supports so called diff --git a/drivers/net/wireless/hostap/hostap.h b/drivers/net/wireless/hostap/hostap.h index 3a386a6..2453dea 100644 --- a/drivers/net/wireless/hostap/hostap.h +++ b/drivers/net/wireless/hostap/hostap.h @@ -63,7 +63,7 @@ void ap_control_flush_macs(struct mac_restrictions *mac_restrictions); int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac); void ap_control_kickall(struct ap_data *ap); void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, - struct ieee80211_crypt_data ***crypt); + struct lib80211_crypt_data ***crypt); int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], struct iw_quality qual[], int buf_size, int aplist); diff --git a/drivers/net/wireless/hostap/hostap_80211.h b/drivers/net/wireless/hostap/hostap_80211.h index 3694b1e..3a9474d 100644 --- a/drivers/net/wireless/hostap/hostap_80211.h +++ b/drivers/net/wireless/hostap/hostap_80211.h @@ -2,7 +2,7 @@ #define HOSTAP_80211_H #include <linux/types.h> -#include <net/ieee80211_crypt.h> +#include <net/ieee80211.h> struct hostap_ieee80211_mgmt { __le16 frame_control; diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c index 5f64461..19b1bf0 100644 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/hostap/hostap_80211_rx.c @@ -1,5 +1,5 @@ #include <linux/etherdevice.h> -#include <net/ieee80211_crypt.h> +#include <net/lib80211.h> #include "hostap_80211.h" #include "hostap.h" @@ -649,7 +649,7 @@ static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb) /* Called only as a tasklet (software IRQ) */ static int hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, - struct ieee80211_crypt_data *crypt) + struct lib80211_crypt_data *crypt) { struct ieee80211_hdr_4addr *hdr; int res, hdrlen; @@ -687,7 +687,7 @@ hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, /* Called only as a tasklet (software IRQ) */ static int hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb, - int keyidx, struct ieee80211_crypt_data *crypt) + int keyidx, struct lib80211_crypt_data *crypt) { struct ieee80211_hdr_4addr *hdr; int res, hdrlen; @@ -733,7 +733,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, int from_assoc_ap = 0; u8 dst[ETH_ALEN]; u8 src[ETH_ALEN]; - struct ieee80211_crypt_data *crypt = NULL; + struct lib80211_crypt_data *crypt = NULL; void *sta = NULL; int keyidx = 0; @@ -785,7 +785,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, int idx = 0; if (skb->len >= hdrlen + 3) idx = skb->data[hdrlen + 3] >> 6; - crypt = local->crypt[idx]; + crypt = local->crypt_info.crypt[idx]; sta = NULL; /* Use station specific key to override default keys if the diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c index 0752471..078a010 100644 --- a/drivers/net/wireless/hostap/hostap_80211_tx.c +++ b/drivers/net/wireless/hostap/hostap_80211_tx.c @@ -306,7 +306,7 @@ int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Called only from software IRQ */ static struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, - struct ieee80211_crypt_data *crypt) + struct lib80211_crypt_data *crypt) { struct hostap_interface *iface; local_info_t *local; @@ -405,7 +405,7 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) if (local->host_encrypt) { /* Set crypt to default algorithm and key; will be replaced in * AP code if STA has own alg/key */ - tx.crypt = local->crypt[local->tx_keyidx]; + tx.crypt = local->crypt_info.crypt[local->crypt_info.tx_keyidx]; tx.host_encrypt = 1; } else { tx.crypt = NULL; @@ -487,7 +487,9 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) if (tx.crypt && (!tx.crypt->ops || !tx.crypt->ops->encrypt_mpdu)) tx.crypt = NULL; - else if ((tx.crypt || local->crypt[local->tx_keyidx]) && !no_encrypt) { + else if ((tx.crypt || + local->crypt_info.crypt[local->crypt_info.tx_keyidx]) && + !no_encrypt) { /* Add ISWEP flag both for firmware and host based encryption */ fc |= IEEE80211_FCTL_PROTECTED; diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index dec3dbe..0903db7 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -1206,7 +1206,7 @@ static void prism2_check_tx_rates(struct sta_info *sta) static void ap_crypt_init(struct ap_data *ap) { - ap->crypt = ieee80211_get_crypto_ops("WEP"); + ap->crypt = lib80211_get_crypto_ops("WEP"); if (ap->crypt) { if (ap->crypt->init) { @@ -1224,7 +1224,7 @@ static void ap_crypt_init(struct ap_data *ap) if (ap->crypt == NULL) { printk(KERN_WARNING "AP could not initialize WEP: load module " - "ieee80211_crypt_wep.ko\n"); + "lib80211_crypt_wep.ko\n"); } } @@ -1293,7 +1293,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb, __le16 *pos; u16 resp = WLAN_STATUS_SUCCESS, fc; struct sta_info *sta = NULL; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; char *txt = ""; len = skb->len - IEEE80211_MGMT_HDR_LEN; @@ -1319,7 +1319,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb, int idx = 0; if (skb->len >= hdrlen + 3) idx = skb->data[hdrlen + 3] >> 6; - crypt = local->crypt[idx]; + crypt = local->crypt_info.crypt[idx]; } pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); @@ -3065,7 +3065,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, /* Called only as a tasklet (software IRQ) */ int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr_4addr *hdr, - struct ieee80211_crypt_data **crypt, + struct lib80211_crypt_data **crypt, void **sta_ptr) { struct sta_info *sta; @@ -3213,7 +3213,7 @@ void hostap_update_rates(local_info_t *local) void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, - struct ieee80211_crypt_data ***crypt) + struct lib80211_crypt_data ***crypt) { struct sta_info *sta; diff --git a/drivers/net/wireless/hostap/hostap_ap.h b/drivers/net/wireless/hostap/hostap_ap.h index 2fa2452..d36e4b1 100644 --- a/drivers/net/wireless/hostap/hostap_ap.h +++ b/drivers/net/wireless/hostap/hostap_ap.h @@ -74,7 +74,7 @@ struct sta_info { u32 tx_since_last_failure; u32 tx_consecutive_exc; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; int ap; /* whether this station is an AP */ @@ -209,7 +209,7 @@ struct ap_data { /* WEP operations for generating challenges to be used with shared key * authentication */ - struct ieee80211_crypto_ops *crypt; + struct lib80211_crypto_ops *crypt; void *crypt_priv; #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ }; @@ -229,7 +229,7 @@ typedef enum { struct hostap_tx_data { struct sk_buff *skb; int host_encrypt; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; void *sta_ptr; }; ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx); @@ -244,7 +244,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, struct hostap_80211_rx_status *rx_stats, int wds); int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr_4addr *hdr, - struct ieee80211_crypt_data **crypt, + struct lib80211_crypt_data **crypt, void **sta_ptr); int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr); int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr); diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index fd7f7ce..066299f 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -47,7 +47,7 @@ #include <linux/wireless.h> #include <net/iw_handler.h> #include <net/ieee80211.h> -#include <net/ieee80211_crypt.h> +#include <net/lib80211.h> #include <asm/irq.h> #include "hostap_80211.h" @@ -2791,11 +2791,12 @@ static void prism2_check_sta_fw_version(local_info_t *local) static void prism2_crypt_deinit_entries(local_info_t *local, int force) { struct list_head *ptr, *n; - struct ieee80211_crypt_data *entry; + struct lib80211_crypt_data *entry; - for (ptr = local->crypt_deinit_list.next, n = ptr->next; - ptr != &local->crypt_deinit_list; ptr = n, n = ptr->next) { - entry = list_entry(ptr, struct ieee80211_crypt_data, list); + for (ptr = local->crypt_info.crypt_deinit_list.next, n = ptr->next; + ptr != &local->crypt_info.crypt_deinit_list; + ptr = n, n = ptr->next) { + entry = list_entry(ptr, struct lib80211_crypt_data, list); if (atomic_read(&entry->refcnt) != 0 && !force) continue; @@ -2816,11 +2817,11 @@ static void prism2_crypt_deinit_handler(unsigned long data) spin_lock_irqsave(&local->lock, flags); prism2_crypt_deinit_entries(local, 0); - if (!list_empty(&local->crypt_deinit_list)) { + if (!list_empty(&local->crypt_info.crypt_deinit_list)) { printk(KERN_DEBUG "%s: entries remaining in delayed crypt " "deletion list\n", local->dev->name); - local->crypt_deinit_timer.expires = jiffies + HZ; - add_timer(&local->crypt_deinit_timer); + local->crypt_info.crypt_deinit_timer.expires = jiffies + HZ; + add_timer(&local->crypt_info.crypt_deinit_timer); } spin_unlock_irqrestore(&local->lock, flags); @@ -3250,10 +3251,13 @@ while (0) INIT_LIST_HEAD(&local->cmd_queue); init_waitqueue_head(&local->hostscan_wq); - INIT_LIST_HEAD(&local->crypt_deinit_list); - init_timer(&local->crypt_deinit_timer); - local->crypt_deinit_timer.data = (unsigned long) local; - local->crypt_deinit_timer.function = prism2_crypt_deinit_handler; + + local->crypt_info.name = dev->name; + local->crypt_info.lock = &local->lock; + INIT_LIST_HEAD(&local->crypt_info.crypt_deinit_list); + init_timer(&local->crypt_info.crypt_deinit_timer); + local->crypt_info.crypt_deinit_timer.data = (unsigned long) local; + local->crypt_info.crypt_deinit_timer.function = prism2_crypt_deinit_handler; init_timer(&local->passive_scan_timer); local->passive_scan_timer.data = (unsigned long) local; @@ -3354,8 +3358,8 @@ static void prism2_free_local_data(struct net_device *dev) flush_scheduled_work(); - if (timer_pending(&local->crypt_deinit_timer)) - del_timer(&local->crypt_deinit_timer); + if (timer_pending(&local->crypt_info.crypt_deinit_timer)) + del_timer(&local->crypt_info.crypt_deinit_timer); prism2_crypt_deinit_entries(local, 1); if (timer_pending(&local->passive_scan_timer)) @@ -3374,12 +3378,12 @@ static void prism2_free_local_data(struct net_device *dev) prism2_callback(local, PRISM2_CALLBACK_DISABLE); for (i = 0; i < WEP_KEYS; i++) { - struct ieee80211_crypt_data *crypt = local->crypt[i]; + struct lib80211_crypt_data *crypt = local->crypt_info.crypt[i]; if (crypt) { if (crypt->ops) crypt->ops->deinit(crypt->priv); kfree(crypt); - local->crypt[i] = NULL; + local->crypt_info.crypt[i] = NULL; } } diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index 2318c5d..29aebb6 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -2,7 +2,7 @@ #include <linux/types.h> #include <linux/ethtool.h> -#include <net/ieee80211_crypt.h> +#include <net/lib80211.h> #include "hostap_wlan.h" #include "hostap.h" @@ -117,9 +117,9 @@ static int prism2_get_name(struct net_device *dev, static void prism2_crypt_delayed_deinit(local_info_t *local, - struct ieee80211_crypt_data **crypt) + struct lib80211_crypt_data **crypt) { - struct ieee80211_crypt_data *tmp; + struct lib80211_crypt_data *tmp; unsigned long flags; tmp = *crypt; @@ -133,10 +133,10 @@ static void prism2_crypt_delayed_deinit(local_info_t *local, * locking. */ spin_lock_irqsave(&local->lock, flags); - list_add(&tmp->list, &local->crypt_deinit_list); - if (!timer_pending(&local->crypt_deinit_timer)) { - local->crypt_deinit_timer.expires = jiffies + HZ; - add_timer(&local->crypt_deinit_timer); + list_add(&tmp->list, &local->crypt_info.crypt_deinit_list); + if (!timer_pending(&local->crypt_info.crypt_deinit_timer)) { + local->crypt_info.crypt_deinit_timer.expires = jiffies + HZ; + add_timer(&local->crypt_info.crypt_deinit_timer); } spin_unlock_irqrestore(&local->lock, flags); } @@ -149,20 +149,20 @@ static int prism2_ioctl_siwencode(struct net_device *dev, struct hostap_interface *iface; local_info_t *local; int i; - struct ieee80211_crypt_data **crypt; + struct lib80211_crypt_data **crypt; iface = netdev_priv(dev); local = iface->local; i = erq->flags & IW_ENCODE_INDEX; if (i < 1 || i > 4) - i = local->tx_keyidx; + i = local->crypt_info.tx_keyidx; else i--; if (i < 0 || i >= WEP_KEYS) return -EINVAL; - crypt = &local->crypt[i]; + crypt = &local->crypt_info.crypt[i]; if (erq->flags & IW_ENCODE_DISABLED) { if (*crypt) @@ -177,17 +177,17 @@ static int prism2_ioctl_siwencode(struct net_device *dev, } if (*crypt == NULL) { - struct ieee80211_crypt_data *new_crypt; + struct lib80211_crypt_data *new_crypt; /* take WEP into use */ - new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) return -ENOMEM; - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); + new_crypt->ops = lib80211_get_crypto_ops("WEP"); if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); + request_module("lib80211_crypt_wep"); + new_crypt->ops = lib80211_get_crypto_ops("WEP"); } if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(i); @@ -210,16 +210,16 @@ static int prism2_ioctl_siwencode(struct net_device *dev, memset(keybuf + erq->length, 0, len - erq->length); (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv); for (j = 0; j < WEP_KEYS; j++) { - if (j != i && local->crypt[j]) { + if (j != i && local->crypt_info.crypt[j]) { first = 0; break; } } if (first) - local->tx_keyidx = i; + local->crypt_info.tx_keyidx = i; } else { /* No key data - just set the default TX key index */ - local->tx_keyidx = i; + local->crypt_info.tx_keyidx = i; } done: @@ -252,20 +252,20 @@ static int prism2_ioctl_giwencode(struct net_device *dev, local_info_t *local; int i, len; u16 val; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; iface = netdev_priv(dev); local = iface->local; i = erq->flags & IW_ENCODE_INDEX; if (i < 1 || i > 4) - i = local->tx_keyidx; + i = local->crypt_info.tx_keyidx; else i--; if (i < 0 || i >= WEP_KEYS) return -EINVAL; - crypt = local->crypt[i]; + crypt = local->crypt_info.crypt[i]; erq->flags = i + 1; if (crypt == NULL || crypt->ops == NULL) { @@ -3227,8 +3227,8 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, local_info_t *local = iface->local; struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; int i, ret = 0; - struct ieee80211_crypto_ops *ops; - struct ieee80211_crypt_data **crypt; + struct lib80211_crypto_ops *ops; + struct lib80211_crypt_data **crypt; void *sta_ptr; u8 *addr; const char *alg, *module; @@ -3237,7 +3237,7 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, if (i > WEP_KEYS) return -EINVAL; if (i < 1 || i > WEP_KEYS) - i = local->tx_keyidx; + i = local->crypt_info.tx_keyidx; else i--; if (i < 0 || i >= WEP_KEYS) @@ -3247,7 +3247,7 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff && addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) { sta_ptr = NULL; - crypt = &local->crypt[i]; + crypt = &local->crypt_info.crypt[i]; } else { if (i != 0) return -EINVAL; @@ -3260,7 +3260,7 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, * is emulated by using default key idx 0. */ i = 0; - crypt = &local->crypt[i]; + crypt = &local->crypt_info.crypt[i]; } else return -EINVAL; } @@ -3276,15 +3276,15 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; + module = "lib80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; + module = "lib80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; + module = "lib80211_crypt_ccmp"; break; default: printk(KERN_DEBUG "%s: unsupported algorithm %d\n", @@ -3293,10 +3293,10 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, goto done; } - ops = ieee80211_get_crypto_ops(alg); + ops = lib80211_get_crypto_ops(alg); if (ops == NULL) { request_module(module); - ops = ieee80211_get_crypto_ops(alg); + ops = lib80211_get_crypto_ops(alg); } if (ops == NULL) { printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n", @@ -3315,11 +3315,11 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, } if (*crypt == NULL || (*crypt)->ops != ops) { - struct ieee80211_crypt_data *new_crypt; + struct lib80211_crypt_data *new_crypt; prism2_crypt_delayed_deinit(local, crypt); - new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) { ret = -ENOMEM; @@ -3354,20 +3354,20 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { if (!sta_ptr) - local->tx_keyidx = i; + local->crypt_info.tx_keyidx = i; } if (sta_ptr == NULL && ext->key_len > 0) { int first = 1, j; for (j = 0; j < WEP_KEYS; j++) { - if (j != i && local->crypt[j]) { + if (j != i && local->crypt_info.crypt[j]) { first = 0; break; } } if (first) - local->tx_keyidx = i; + local->crypt_info.tx_keyidx = i; } done: @@ -3399,7 +3399,7 @@ static int prism2_ioctl_giwencodeext(struct net_device *dev, { struct hostap_interface *iface = netdev_priv(dev); local_info_t *local = iface->local; - struct ieee80211_crypt_data **crypt; + struct lib80211_crypt_data **crypt; void *sta_ptr; int max_key_len, i; struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; @@ -3411,7 +3411,7 @@ static int prism2_ioctl_giwencodeext(struct net_device *dev, i = erq->flags & IW_ENCODE_INDEX; if (i < 1 || i > WEP_KEYS) - i = local->tx_keyidx; + i = local->crypt_info.tx_keyidx; else i--; @@ -3419,7 +3419,7 @@ static int prism2_ioctl_giwencodeext(struct net_device *dev, if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff && addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) { sta_ptr = NULL; - crypt = &local->crypt[i]; + crypt = &local->crypt_info.crypt[i]; } else { i = 0; sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt); @@ -3468,8 +3468,8 @@ static int prism2_ioctl_set_encryption(local_info_t *local, int param_len) { int ret = 0; - struct ieee80211_crypto_ops *ops; - struct ieee80211_crypt_data **crypt; + struct lib80211_crypto_ops *ops; + struct lib80211_crypt_data **crypt; void *sta_ptr; param->u.crypt.err = 0; @@ -3486,7 +3486,7 @@ static int prism2_ioctl_set_encryption(local_info_t *local, if (param->u.crypt.idx >= WEP_KEYS) return -EINVAL; sta_ptr = NULL; - crypt = &local->crypt[param->u.crypt.idx]; + crypt = &local->crypt_info.crypt[param->u.crypt.idx]; } else { if (param->u.crypt.idx) return -EINVAL; @@ -3507,16 +3507,16 @@ static int prism2_ioctl_set_encryption(local_info_t *local, goto done; } - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + request_module("lib80211_crypt_wep"); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + request_module("lib80211_crypt_tkip"); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + request_module("lib80211_crypt_ccmp"); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); } if (ops == NULL) { printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n", @@ -3531,11 +3531,11 @@ static int prism2_ioctl_set_encryption(local_info_t *local, local->host_decrypt = local->host_encrypt = 1; if (*crypt == NULL || (*crypt)->ops != ops) { - struct ieee80211_crypt_data *new_crypt; + struct lib80211_crypt_data *new_crypt; prism2_crypt_delayed_deinit(local, crypt); - new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) { ret = -ENOMEM; @@ -3568,7 +3568,7 @@ static int prism2_ioctl_set_encryption(local_info_t *local, if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) { if (!sta_ptr) - local->tx_keyidx = param->u.crypt.idx; + local->crypt_info.tx_keyidx = param->u.crypt.idx; else if (param->u.crypt.idx) { printk(KERN_DEBUG "%s: TX key idx setting failed\n", local->dev->name); @@ -3604,7 +3604,7 @@ static int prism2_ioctl_get_encryption(local_info_t *local, struct prism2_hostapd_param *param, int param_len) { - struct ieee80211_crypt_data **crypt; + struct lib80211_crypt_data **crypt; void *sta_ptr; int max_key_len; @@ -3620,8 +3620,8 @@ static int prism2_ioctl_get_encryption(local_info_t *local, param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { sta_ptr = NULL; if (param->u.crypt.idx >= WEP_KEYS) - param->u.crypt.idx = local->tx_keyidx; - crypt = &local->crypt[param->u.crypt.idx]; + param->u.crypt.idx = local->crypt_info.tx_keyidx; + crypt = &local->crypt_info.crypt[param->u.crypt.idx]; } else { param->u.crypt.idx = 0; sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0, diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 4c36eb2..02a312c 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -27,7 +27,7 @@ #include <net/net_namespace.h> #include <net/iw_handler.h> #include <net/ieee80211.h> -#include <net/ieee80211_crypt.h> +#include <net/lib80211.h> #include <asm/uaccess.h> #include "hostap_wlan.h" @@ -343,10 +343,11 @@ int hostap_set_encryption(local_info_t *local) char keybuf[WEP_KEY_LEN + 1]; enum { NONE, WEP, OTHER } encrypt_type; - idx = local->tx_keyidx; - if (local->crypt[idx] == NULL || local->crypt[idx]->ops == NULL) + idx = local->crypt_info.tx_keyidx; + if (local->crypt_info.crypt[idx] == NULL || + local->crypt_info.crypt[idx]->ops == NULL) encrypt_type = NONE; - else if (strcmp(local->crypt[idx]->ops->name, "WEP") == 0) + else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) encrypt_type = WEP; else encrypt_type = OTHER; @@ -394,17 +395,17 @@ int hostap_set_encryption(local_info_t *local) /* 104-bit support seems to require that all the keys are set to the * same keylen */ keylen = 6; /* first 5 octets */ - len = local->crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), - NULL, local->crypt[idx]->priv); + len = local->crypt_info.crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), NULL, + local->crypt_info.crypt[idx]->priv); if (idx >= 0 && idx < WEP_KEYS && len > 5) keylen = WEP_KEY_LEN + 1; /* first 13 octets */ for (i = 0; i < WEP_KEYS; i++) { memset(keybuf, 0, sizeof(keybuf)); - if (local->crypt[i]) { - (void) local->crypt[i]->ops->get_key( + if (local->crypt_info.crypt[i]) { + (void) local->crypt_info.crypt[i]->ops->get_key( keybuf, sizeof(keybuf), - NULL, local->crypt[i]->priv); + NULL, local->crypt_info.crypt[i]->priv); } if (local->func->set_rid(local->dev, HFA384X_RID_CNFDEFAULTKEY0 + i, diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c index ae7d3ca..005ff25 100644 --- a/drivers/net/wireless/hostap/hostap_proc.c +++ b/drivers/net/wireless/hostap/hostap_proc.c @@ -2,7 +2,7 @@ #include <linux/types.h> #include <linux/proc_fs.h> -#include <net/ieee80211_crypt.h> +#include <net/lib80211.h> #include "hostap_wlan.h" #include "hostap.h" @@ -36,9 +36,10 @@ static int prism2_debug_proc_read(char *page, char **start, off_t off, p += sprintf(p, "dev_enabled=%d\n", local->dev_enabled); p += sprintf(p, "sw_tick_stuck=%d\n", local->sw_tick_stuck); for (i = 0; i < WEP_KEYS; i++) { - if (local->crypt[i] && local->crypt[i]->ops) { - p += sprintf(p, "crypt[%d]=%s\n", - i, local->crypt[i]->ops->name); + if (local->crypt_info.crypt[i] && + local->crypt_info.crypt[i]->ops) { + p += sprintf(p, "crypt[%d]=%s\n", i, + local->crypt_info.crypt[i]->ops->name); } } p += sprintf(p, "pri_only=%d\n", local->pri_only); @@ -206,12 +207,13 @@ static int prism2_crypt_proc_read(char *page, char **start, off_t off, return 0; } - p += sprintf(p, "tx_keyidx=%d\n", local->tx_keyidx); + p += sprintf(p, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx); for (i = 0; i < WEP_KEYS; i++) { - if (local->crypt[i] && local->crypt[i]->ops && - local->crypt[i]->ops->print_stats) { - p = local->crypt[i]->ops->print_stats( - p, local->crypt[i]->priv); + if (local->crypt_info.crypt[i] && + local->crypt_info.crypt[i]->ops && + local->crypt_info.crypt[i]->ops->print_stats) { + p = local->crypt_info.crypt[i]->ops->print_stats( + p, local->crypt_info.crypt[i]->priv); } } diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h index d2c7a56..4d8d51a 100644 --- a/drivers/net/wireless/hostap/hostap_wlan.h +++ b/drivers/net/wireless/hostap/hostap_wlan.h @@ -6,6 +6,7 @@ #include <linux/mutex.h> #include <net/iw_handler.h> #include <net/ieee80211_radiotap.h> +#include <net/lib80211.h> #include "hostap_config.h" #include "hostap_common.h" @@ -763,10 +764,7 @@ struct local_info { #define WEP_KEYS 4 #define WEP_KEY_LEN 13 - struct ieee80211_crypt_data *crypt[WEP_KEYS]; - int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ - struct timer_list crypt_deinit_timer; - struct list_head crypt_deinit_list; + struct lib80211_crypt_info crypt_info; int open_wep; /* allow unencrypted frames */ int host_encrypt; diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 062c9f2..2d2044d 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -4010,7 +4010,7 @@ static ssize_t show_internals(struct device *d, struct device_attribute *attr, else len += sprintf(buf + len, "not connected\n"); - DUMP_VAR(ieee->crypt[priv->ieee->tx_keyidx], "p"); + DUMP_VAR(ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx], "p"); DUMP_VAR(status, "08lx"); DUMP_VAR(config, "08lx"); DUMP_VAR(capability, "08lx"); @@ -5514,7 +5514,7 @@ static int ipw2100_configure_security(struct ipw2100_priv *priv, int batch_mode) } } - ipw2100_set_key_index(priv, priv->ieee->tx_keyidx, 1); + ipw2100_set_key_index(priv, priv->ieee->crypt_info.tx_keyidx, 1); } /* Always enable privacy so the Host can filter WEP packets if @@ -7620,7 +7620,7 @@ static int ipw2100_wx_set_auth(struct net_device *dev, struct ipw2100_priv *priv = ieee80211_priv(dev); struct ieee80211_device *ieee = priv->ieee; struct iw_param *param = &wrqu->param; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; unsigned long flags; int ret = 0; @@ -7635,7 +7635,7 @@ static int ipw2100_wx_set_auth(struct net_device *dev, break; case IW_AUTH_TKIP_COUNTERMEASURES: - crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; + crypt = priv->ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx]; if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags) break; @@ -7712,7 +7712,7 @@ static int ipw2100_wx_get_auth(struct net_device *dev, { struct ipw2100_priv *priv = ieee80211_priv(dev); struct ieee80211_device *ieee = priv->ieee; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; struct iw_param *param = &wrqu->param; int ret = 0; @@ -7728,7 +7728,7 @@ static int ipw2100_wx_get_auth(struct net_device *dev, break; case IW_AUTH_TKIP_COUNTERMEASURES: - crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; + crypt = priv->ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx]; if (!crypt || !crypt->ops->get_flags) { IPW_DEBUG_WARNING("Can't get TKIP countermeasures: " "crypt not set!\n"); diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 6ca0f1c..d2a2b75 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -6600,7 +6600,7 @@ static int ipw_wx_set_auth(struct net_device *dev, struct ipw_priv *priv = ieee80211_priv(dev); struct ieee80211_device *ieee = priv->ieee; struct iw_param *param = &wrqu->param; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; unsigned long flags; int ret = 0; @@ -6622,7 +6622,7 @@ static int ipw_wx_set_auth(struct net_device *dev, break; case IW_AUTH_TKIP_COUNTERMEASURES: - crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; + crypt = priv->ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx]; if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags) break; @@ -6699,7 +6699,7 @@ static int ipw_wx_get_auth(struct net_device *dev, { struct ipw_priv *priv = ieee80211_priv(dev); struct ieee80211_device *ieee = priv->ieee; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; struct iw_param *param = &wrqu->param; int ret = 0; @@ -6715,7 +6715,7 @@ static int ipw_wx_get_auth(struct net_device *dev, break; case IW_AUTH_TKIP_COUNTERMEASURES: - crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; + crypt = priv->ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx]; if (!crypt || !crypt->ops->get_flags) break; @@ -10251,8 +10251,8 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, case SEC_LEVEL_1: tfd->u.data.tfd.tfd_24.mchdr.frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); - tfd->u.data.key_index = priv->ieee->tx_keyidx; - if (priv->ieee->sec.key_sizes[priv->ieee->tx_keyidx] <= + tfd->u.data.key_index = priv->ieee->crypt_info.tx_keyidx; + if (priv->ieee->sec.key_sizes[priv->ieee->crypt_info.tx_keyidx] <= 40) tfd->u.data.key_index |= DCT_WEP_KEY_64Bit; else diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h index 738734a..7ab3ed2 100644 --- a/include/net/ieee80211.h +++ b/include/net/ieee80211.h @@ -30,6 +30,8 @@ #include <linux/wireless.h> #include <linux/ieee80211.h> +#include <net/lib80211.h> + #define IEEE80211_VERSION "git-1.1.13" #define IEEE80211_DATA_LEN 2304 @@ -355,8 +357,6 @@ struct ieee80211_stats { struct ieee80211_device; -#include "ieee80211_crypt.h" - #define SEC_KEY_1 (1<<0) #define SEC_KEY_2 (1<<1) #define SEC_KEY_3 (1<<2) @@ -937,11 +937,7 @@ struct ieee80211_device { size_t wpa_ie_len; u8 *wpa_ie; - struct list_head crypt_deinit_list; - struct ieee80211_crypt_data *crypt[WEP_KEYS]; - int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ - struct timer_list crypt_deinit_timer; - int crypt_quiesced; + struct lib80211_crypt_info crypt_info; int bcrx_sta_key; /* use individual keys to override default keys even * with RX of broad/multicast frames */ diff --git a/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h deleted file mode 100644 index b3d65e0..0000000 --- a/include/net/ieee80211_crypt.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Original code based on Host AP (software wireless LAN access point) driver - * for Intersil Prism2/2.5/3. - * - * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * <j@w1.fi> - * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> - * - * Adaption to a generic IEEE 802.11 stack by James Ketrenos - * <jketreno@linux.intel.com> - * - * Copyright (c) 2004, Intel Corporation - * - * 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. - */ - -/* - * This file defines the interface to the ieee80211 crypto module. - */ -#ifndef IEEE80211_CRYPT_H -#define IEEE80211_CRYPT_H - -#include <linux/types.h> -#include <linux/list.h> -#include <net/ieee80211.h> -#include <asm/atomic.h> - -enum { - IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0), -}; - -struct sk_buff; -struct module; - -struct ieee80211_crypto_ops { - const char *name; - struct list_head list; - - /* init new crypto context (e.g., allocate private data space, - * select IV, etc.); returns NULL on failure or pointer to allocated - * private data on success */ - void *(*init) (int keyidx); - - /* deinitialize crypto context and free allocated private data */ - void (*deinit) (void *priv); - - int (*build_iv) (struct sk_buff * skb, int hdr_len, - u8 *key, int keylen, void *priv); - - /* encrypt/decrypt return < 0 on error or >= 0 on success. The return - * value from decrypt_mpdu is passed as the keyidx value for - * decrypt_msdu. skb must have enough head and tail room for the - * encryption; if not, error will be returned; these functions are - * called for all MPDUs (i.e., fragments). - */ - int (*encrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); - int (*decrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); - - /* These functions are called for full MSDUs, i.e. full frames. - * These can be NULL if full MSDU operations are not needed. */ - int (*encrypt_msdu) (struct sk_buff * skb, int hdr_len, void *priv); - int (*decrypt_msdu) (struct sk_buff * skb, int keyidx, int hdr_len, - void *priv); - - int (*set_key) (void *key, int len, u8 * seq, void *priv); - int (*get_key) (void *key, int len, u8 * seq, void *priv); - - /* procfs handler for printing out key information and possible - * statistics */ - char *(*print_stats) (char *p, void *priv); - - /* Crypto specific flag get/set for configuration settings */ - unsigned long (*get_flags) (void *priv); - unsigned long (*set_flags) (unsigned long flags, void *priv); - - /* maximum number of bytes added by encryption; encrypt buf is - * allocated with extra_prefix_len bytes, copy of in_buf, and - * extra_postfix_len; encrypt need not use all this space, but - * the result must start at the beginning of the buffer and correct - * length must be returned */ - int extra_mpdu_prefix_len, extra_mpdu_postfix_len; - int extra_msdu_prefix_len, extra_msdu_postfix_len; - - struct module *owner; -}; - -struct ieee80211_crypt_data { - struct list_head list; /* delayed deletion list */ - struct ieee80211_crypto_ops *ops; - void *priv; - atomic_t refcnt; -}; - -struct ieee80211_device; - -int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops); -int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops); -struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name); -void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int); -void ieee80211_crypt_deinit_handler(unsigned long); -void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, - struct ieee80211_crypt_data **crypt); -void ieee80211_crypt_quiescing(struct ieee80211_device *ieee); - -#endif diff --git a/include/net/lib80211.h b/include/net/lib80211.h index e1558a1..dd1079f 100644 --- a/include/net/lib80211.h +++ b/include/net/lib80211.h @@ -3,11 +3,32 @@ * * Copyright (c) 2008, John W. Linville <linville@tuxdriver.com> * + * Some bits copied from old ieee80211 component, w/ original copyright + * notices below: + * + * Original code based on Host AP (software wireless LAN access point) driver + * for Intersil Prism2/2.5/3. + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * <j@w1.fi> + * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> + * + * Adaption to a generic IEEE 802.11 stack by James Ketrenos + * <jketreno@linux.intel.com> + * + * Copyright (c) 2004, Intel Corporation + * */ #ifndef LIB80211_H #define LIB80211_H +#include <linux/types.h> +#include <linux/list.h> +#include <linux/module.h> +#include <asm/atomic.h> +#include <linux/if.h> +#include <linux/skbuff.h> #include <linux/ieee80211.h> /* print_ssid() is intended to be used in debug (and possibly error) @@ -15,4 +36,91 @@ const char *print_ssid(char *buf, const char *ssid, u8 ssid_len); #define DECLARE_SSID_BUF(var) char var[IEEE80211_MAX_SSID_LEN * 4 + 1] __maybe_unused +#define NUM_WEP_KEYS 4 + +enum { + IEEE80211_CRYPTO_TKIP_COUNTERMEASURES = (1 << 0), +}; + +struct lib80211_crypto_ops { + const char *name; + struct list_head list; + + /* init new crypto context (e.g., allocate private data space, + * select IV, etc.); returns NULL on failure or pointer to allocated + * private data on success */ + void *(*init) (int keyidx); + + /* deinitialize crypto context and free allocated private data */ + void (*deinit) (void *priv); + + int (*build_iv) (struct sk_buff * skb, int hdr_len, + u8 *key, int keylen, void *priv); + + /* encrypt/decrypt return < 0 on error or >= 0 on success. The return + * value from decrypt_mpdu is passed as the keyidx value for + * decrypt_msdu. skb must have enough head and tail room for the + * encryption; if not, error will be returned; these functions are + * called for all MPDUs (i.e., fragments). + */ + int (*encrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); + int (*decrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv); + + /* These functions are called for full MSDUs, i.e. full frames. + * These can be NULL if full MSDU operations are not needed. */ + int (*encrypt_msdu) (struct sk_buff * skb, int hdr_len, void *priv); + int (*decrypt_msdu) (struct sk_buff * skb, int keyidx, int hdr_len, + void *priv); + + int (*set_key) (void *key, int len, u8 * seq, void *priv); + int (*get_key) (void *key, int len, u8 * seq, void *priv); + + /* procfs handler for printing out key information and possible + * statistics */ + char *(*print_stats) (char *p, void *priv); + + /* Crypto specific flag get/set for configuration settings */ + unsigned long (*get_flags) (void *priv); + unsigned long (*set_flags) (unsigned long flags, void *priv); + + /* maximum number of bytes added by encryption; encrypt buf is + * allocated with extra_prefix_len bytes, copy of in_buf, and + * extra_postfix_len; encrypt need not use all this space, but + * the result must start at the beginning of the buffer and correct + * length must be returned */ + int extra_mpdu_prefix_len, extra_mpdu_postfix_len; + int extra_msdu_prefix_len, extra_msdu_postfix_len; + + struct module *owner; +}; + +struct lib80211_crypt_data { + struct list_head list; /* delayed deletion list */ + struct lib80211_crypto_ops *ops; + void *priv; + atomic_t refcnt; +}; + +struct lib80211_crypt_info { + char *name; + /* Most clients will already have a lock, + so just point to that. */ + spinlock_t *lock; + + struct lib80211_crypt_data *crypt[NUM_WEP_KEYS]; + int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ + struct list_head crypt_deinit_list; + struct timer_list crypt_deinit_timer; + int crypt_quiesced; +}; + +int lib80211_register_crypto_ops(struct lib80211_crypto_ops *ops); +int lib80211_unregister_crypto_ops(struct lib80211_crypto_ops *ops); +struct lib80211_crypto_ops *lib80211_get_crypto_ops(const char *name); +void lib80211_crypt_deinit_entries(struct lib80211_crypt_info *, int); +void lib80211_crypt_deinit_handler(unsigned long); +void lib80211_crypt_delayed_deinit(struct lib80211_crypt_info *info, + struct lib80211_crypt_data **crypt); +void lib80211_crypt_quiescing(struct lib80211_crypt_info *info); + #endif /* LIB80211_H */ diff --git a/net/ieee80211/Kconfig b/net/ieee80211/Kconfig index d2282bb..46f24f4 100644 --- a/net/ieee80211/Kconfig +++ b/net/ieee80211/Kconfig @@ -8,10 +8,10 @@ config IEEE80211 select CRYPTO_MICHAEL_MIC select CRYPTO_ECB select CRC32 - select IEEE80211_CRYPT_WEP - select IEEE80211_CRYPT_TKIP - select IEEE80211_CRYPT_CCMP select LIB80211 + select LIB80211_CRYPT_WEP + select LIB80211_CRYPT_TKIP + select LIB80211_CRYPT_CCMP ---help--- This option enables the hardware independent IEEE 802.11 networking stack. This component is deprecated in favor of the @@ -39,12 +39,3 @@ config IEEE80211_DEBUG If you are not trying to debug or develop the ieee80211 subsystem, you most likely want to say N here. - -config IEEE80211_CRYPT_WEP - tristate - -config IEEE80211_CRYPT_CCMP - tristate - -config IEEE80211_CRYPT_TKIP - tristate diff --git a/net/ieee80211/Makefile b/net/ieee80211/Makefile index f988417..158963f 100644 --- a/net/ieee80211/Makefile +++ b/net/ieee80211/Makefile @@ -1,8 +1,4 @@ obj-$(CONFIG_IEEE80211) += ieee80211.o -obj-$(CONFIG_IEEE80211) += ieee80211_crypt.o -obj-$(CONFIG_IEEE80211_CRYPT_WEP) += ieee80211_crypt_wep.o -obj-$(CONFIG_IEEE80211_CRYPT_CCMP) += ieee80211_crypt_ccmp.o -obj-$(CONFIG_IEEE80211_CRYPT_TKIP) += ieee80211_crypt_tkip.o ieee80211-objs := \ ieee80211_module.o \ ieee80211_tx.o \ diff --git a/net/ieee80211/ieee80211_crypt.c b/net/ieee80211/ieee80211_crypt.c deleted file mode 100644 index df5592c..0000000 --- a/net/ieee80211/ieee80211_crypt.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Host AP crypto routines - * - * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> - * Portions Copyright (C) 2004, Intel Corporation <jketreno@linux.intel.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/errno.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <net/ieee80211.h> - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("HostAP crypto"); -MODULE_LICENSE("GPL"); - -struct ieee80211_crypto_alg { - struct list_head list; - struct ieee80211_crypto_ops *ops; -}; - -static LIST_HEAD(ieee80211_crypto_algs); -static DEFINE_SPINLOCK(ieee80211_crypto_lock); - -void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, int force) -{ - struct ieee80211_crypt_data *entry, *next; - unsigned long flags; - - spin_lock_irqsave(&ieee->lock, flags); - list_for_each_entry_safe(entry, next, &ieee->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(&ieee->lock, flags); -} - -/* After this, crypt_deinit_list won't accept new members */ -void ieee80211_crypt_quiescing(struct ieee80211_device *ieee) -{ - unsigned long flags; - - spin_lock_irqsave(&ieee->lock, flags); - ieee->crypt_quiesced = 1; - spin_unlock_irqrestore(&ieee->lock, flags); -} - -void ieee80211_crypt_deinit_handler(unsigned long data) -{ - struct ieee80211_device *ieee = (struct ieee80211_device *)data; - unsigned long flags; - - ieee80211_crypt_deinit_entries(ieee, 0); - - spin_lock_irqsave(&ieee->lock, flags); - if (!list_empty(&ieee->crypt_deinit_list) && !ieee->crypt_quiesced) { - printk(KERN_DEBUG "%s: entries remaining in delayed crypt " - "deletion list\n", ieee->dev->name); - ieee->crypt_deinit_timer.expires = jiffies + HZ; - add_timer(&ieee->crypt_deinit_timer); - } - spin_unlock_irqrestore(&ieee->lock, flags); -} - -void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, - struct ieee80211_crypt_data **crypt) -{ - struct ieee80211_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(&ieee->lock, flags); - if (!ieee->crypt_quiesced) { - list_add(&tmp->list, &ieee->crypt_deinit_list); - if (!timer_pending(&ieee->crypt_deinit_timer)) { - ieee->crypt_deinit_timer.expires = jiffies + HZ; - add_timer(&ieee->crypt_deinit_timer); - } - } - spin_unlock_irqrestore(&ieee->lock, flags); -} - -int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops) -{ - unsigned long flags; - struct ieee80211_crypto_alg *alg; - - alg = kzalloc(sizeof(*alg), GFP_KERNEL); - if (alg == NULL) - return -ENOMEM; - - alg->ops = ops; - - spin_lock_irqsave(&ieee80211_crypto_lock, flags); - list_add(&alg->list, &ieee80211_crypto_algs); - spin_unlock_irqrestore(&ieee80211_crypto_lock, flags); - - printk(KERN_DEBUG "ieee80211_crypt: registered algorithm '%s'\n", - ops->name); - - return 0; -} - -int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops) -{ - struct ieee80211_crypto_alg *alg; - unsigned long flags; - - spin_lock_irqsave(&ieee80211_crypto_lock, flags); - list_for_each_entry(alg, &ieee80211_crypto_algs, list) { - if (alg->ops == ops) - goto found; - } - spin_unlock_irqrestore(&ieee80211_crypto_lock, flags); - return -EINVAL; - - found: - printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm " - "'%s'\n", ops->name); - list_del(&alg->list); - spin_unlock_irqrestore(&ieee80211_crypto_lock, flags); - kfree(alg); - return 0; -} - -struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name) -{ - struct ieee80211_crypto_alg *alg; - unsigned long flags; - - spin_lock_irqsave(&ieee80211_crypto_lock, flags); - list_for_each_entry(alg, &ieee80211_crypto_algs, list) { - if (strcmp(alg->ops->name, name) == 0) - goto found; - } - spin_unlock_irqrestore(&ieee80211_crypto_lock, flags); - return NULL; - - found: - spin_unlock_irqrestore(&ieee80211_crypto_lock, flags); - return alg->ops; -} - -static void *ieee80211_crypt_null_init(int keyidx) -{ - return (void *)1; -} - -static void ieee80211_crypt_null_deinit(void *priv) -{ -} - -static struct ieee80211_crypto_ops ieee80211_crypt_null = { - .name = "NULL", - .init = ieee80211_crypt_null_init, - .deinit = ieee80211_crypt_null_deinit, - .owner = THIS_MODULE, -}; - -static int __init ieee80211_crypto_init(void) -{ - return ieee80211_register_crypto_ops(&ieee80211_crypt_null); -} - -static void __exit ieee80211_crypto_deinit(void) -{ - ieee80211_unregister_crypto_ops(&ieee80211_crypt_null); - BUG_ON(!list_empty(&ieee80211_crypto_algs)); -} - -EXPORT_SYMBOL(ieee80211_crypt_deinit_entries); -EXPORT_SYMBOL(ieee80211_crypt_deinit_handler); -EXPORT_SYMBOL(ieee80211_crypt_delayed_deinit); -EXPORT_SYMBOL(ieee80211_crypt_quiescing); - -EXPORT_SYMBOL(ieee80211_register_crypto_ops); -EXPORT_SYMBOL(ieee80211_unregister_crypto_ops); -EXPORT_SYMBOL(ieee80211_get_crypto_ops); - -module_init(ieee80211_crypto_init); -module_exit(ieee80211_crypto_deinit); diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c index d34d4e7..cf21f0b 100644 --- a/net/ieee80211/ieee80211_module.c +++ b/net/ieee80211/ieee80211_module.c @@ -180,13 +180,16 @@ struct net_device *alloc_ieee80211(int sizeof_priv) ieee->host_open_frag = 1; ieee->ieee802_1x = 1; /* Default to supporting 802.1x */ - INIT_LIST_HEAD(&ieee->crypt_deinit_list); - setup_timer(&ieee->crypt_deinit_timer, ieee80211_crypt_deinit_handler, - (unsigned long)ieee); - ieee->crypt_quiesced = 0; - spin_lock_init(&ieee->lock); + ieee->crypt_info.name = dev->name; + ieee->crypt_info.lock = &ieee->lock; + INIT_LIST_HEAD(&ieee->crypt_info.crypt_deinit_list); + setup_timer(&ieee->crypt_info.crypt_deinit_timer, + lib80211_crypt_deinit_handler, + (unsigned long)&ieee->crypt_info); + ieee->crypt_info.crypt_quiesced = 0; + ieee->wpa_enabled = 0; ieee->drop_unencrypted = 0; ieee->privacy_invoked = 0; @@ -205,19 +208,19 @@ void free_ieee80211(struct net_device *dev) int i; - ieee80211_crypt_quiescing(ieee); - del_timer_sync(&ieee->crypt_deinit_timer); - ieee80211_crypt_deinit_entries(ieee, 1); + lib80211_crypt_quiescing(&ieee->crypt_info); + del_timer_sync(&ieee->crypt_info.crypt_deinit_timer); + lib80211_crypt_deinit_entries(&ieee->crypt_info, 1); for (i = 0; i < WEP_KEYS; i++) { - struct ieee80211_crypt_data *crypt = ieee->crypt[i]; + struct lib80211_crypt_data *crypt = ieee->crypt_info.crypt[i]; if (crypt) { if (crypt->ops) { crypt->ops->deinit(crypt->priv); module_put(crypt->ops->owner); } kfree(crypt); - ieee->crypt[i] = NULL; + ieee->crypt_info.crypt[i] = NULL; } } diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index 3dd58b5..9c67dfa 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -268,7 +268,7 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee, /* Called only as a tasklet (software IRQ), by ieee80211_rx */ static int ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb, - struct ieee80211_crypt_data *crypt) + struct lib80211_crypt_data *crypt) { struct ieee80211_hdr_3addr *hdr; int res, hdrlen; @@ -300,7 +300,7 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb, static int ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device *ieee, struct sk_buff *skb, int keyidx, - struct ieee80211_crypt_data *crypt) + struct lib80211_crypt_data *crypt) { struct ieee80211_hdr_3addr *hdr; int res, hdrlen; @@ -348,7 +348,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, #endif u8 dst[ETH_ALEN]; u8 src[ETH_ALEN]; - struct ieee80211_crypt_data *crypt = NULL; + struct lib80211_crypt_data *crypt = NULL; int keyidx = 0; int can_be_decrypted = 0; @@ -431,7 +431,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, * is only allowed 2-bits of storage, no value of keyidx can * be provided via above code that would result in keyidx * being out of range */ - crypt = ieee->crypt[keyidx]; + crypt = ieee->crypt_info.crypt[keyidx]; #ifdef NOT_YET sta = NULL; diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c index d996547..f78f57e 100644 --- a/net/ieee80211/ieee80211_tx.c +++ b/net/ieee80211/ieee80211_tx.c @@ -152,7 +152,8 @@ static int ieee80211_copy_snap(u8 * data, __be16 h_proto) static int ieee80211_encrypt_fragment(struct ieee80211_device *ieee, struct sk_buff *frag, int hdr_len) { - struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx]; + struct lib80211_crypt_data *crypt = + ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; int res; if (crypt == NULL) @@ -270,7 +271,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev) .qos_ctl = 0 }; u8 dest[ETH_ALEN], src[ETH_ALEN]; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; int priority = skb->priority; int snapped = 0; @@ -294,7 +295,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev) ether_type = ((struct ethhdr *)skb->data)->h_proto; - crypt = ieee->crypt[ieee->tx_keyidx]; + crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; encrypt = !(ether_type == htons(ETH_P_PAE) && ieee->ieee802_1x) && ieee->sec.encrypt; diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c index 7cc4e5e..31ea3ab 100644 --- a/net/ieee80211/ieee80211_wx.c +++ b/net/ieee80211/ieee80211_wx.c @@ -307,7 +307,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, .flags = 0 }; int i, key, key_provided, len; - struct ieee80211_crypt_data **crypt; + struct lib80211_crypt_data **crypt; int host_crypto = ieee->host_encrypt || ieee->host_decrypt || ieee->host_build_iv; DECLARE_SSID_BUF(ssid); @@ -321,30 +321,30 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, key_provided = 1; } else { key_provided = 0; - key = ieee->tx_keyidx; + key = ieee->crypt_info.tx_keyidx; } IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? "provided" : "default"); - crypt = &ieee->crypt[key]; + crypt = &ieee->crypt_info.crypt[key]; if (erq->flags & IW_ENCODE_DISABLED) { if (key_provided && *crypt) { IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", key); - ieee80211_crypt_delayed_deinit(ieee, crypt); + lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt); } else IEEE80211_DEBUG_WX("Disabling encryption.\n"); /* Check all the keys to see if any are still configured, * and if no key index was provided, de-init them all */ for (i = 0; i < WEP_KEYS; i++) { - if (ieee->crypt[i] != NULL) { + if (ieee->crypt_info.crypt[i] != NULL) { if (key_provided) break; - ieee80211_crypt_delayed_deinit(ieee, - &ieee->crypt[i]); + lib80211_crypt_delayed_deinit(&ieee->crypt_info, + &ieee->crypt_info.crypt[i]); } } @@ -366,21 +366,21 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, strcmp((*crypt)->ops->name, "WEP") != 0) { /* changing to use WEP; deinit previously used algorithm * on this key */ - ieee80211_crypt_delayed_deinit(ieee, crypt); + lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt); } if (*crypt == NULL && host_crypto) { - struct ieee80211_crypt_data *new_crypt; + struct lib80211_crypt_data *new_crypt; /* take WEP into use */ - new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) return -ENOMEM; - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); + new_crypt->ops = lib80211_get_crypto_ops("WEP"); if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); + request_module("lib80211_crypt_wep"); + new_crypt->ops = lib80211_get_crypto_ops("WEP"); } if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) @@ -391,7 +391,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, new_crypt = NULL; printk(KERN_WARNING "%s: could not initialize WEP: " - "load module ieee80211_crypt_wep\n", dev->name); + "load module lib80211_crypt_wep\n", dev->name); return -EOPNOTSUPP; } *crypt = new_crypt; @@ -440,7 +440,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, if (key_provided) { IEEE80211_DEBUG_WX("Setting key %d to default Tx " "key.\n", key); - ieee->tx_keyidx = key; + ieee->crypt_info.tx_keyidx = key; sec.active_key = key; sec.flags |= SEC_ACTIVE_KEY; } @@ -485,7 +485,7 @@ int ieee80211_wx_get_encode(struct ieee80211_device *ieee, { struct iw_point *erq = &(wrqu->encoding); int len, key; - struct ieee80211_crypt_data *crypt; + struct lib80211_crypt_data *crypt; struct ieee80211_security *sec = &ieee->sec; IEEE80211_DEBUG_WX("GET_ENCODE\n"); @@ -496,9 +496,9 @@ int ieee80211_wx_get_encode(struct ieee80211_device *ieee, return -EINVAL; key--; } else - key = ieee->tx_keyidx; + key = ieee->crypt_info.tx_keyidx; - crypt = ieee->crypt[key]; + crypt = ieee->crypt_info.crypt[key]; erq->flags = key + 1; if (!sec->enabled) { @@ -531,8 +531,8 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, int i, idx, ret = 0; int group_key = 0; const char *alg, *module; - struct ieee80211_crypto_ops *ops; - struct ieee80211_crypt_data **crypt; + struct lib80211_crypto_ops *ops; + struct lib80211_crypt_data **crypt; struct ieee80211_security sec = { .flags = 0, @@ -544,17 +544,17 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, return -EINVAL; idx--; } else - idx = ieee->tx_keyidx; + idx = ieee->crypt_info.tx_keyidx; if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { - crypt = &ieee->crypt[idx]; + crypt = &ieee->crypt_info.crypt[idx]; group_key = 1; } else { /* some Cisco APs use idx>0 for unicast in dynamic WEP */ if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) return -EINVAL; if (ieee->iw_mode == IW_MODE_INFRA) - crypt = &ieee->crypt[idx]; + crypt = &ieee->crypt_info.crypt[idx]; else return -EINVAL; } @@ -563,10 +563,10 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, if ((encoding->flags & IW_ENCODE_DISABLED) || ext->alg == IW_ENCODE_ALG_NONE) { if (*crypt) - ieee80211_crypt_delayed_deinit(ieee, crypt); + lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt); for (i = 0; i < WEP_KEYS; i++) - if (ieee->crypt[i] != NULL) + if (ieee->crypt_info.crypt[i] != NULL) break; if (i == WEP_KEYS) { @@ -589,15 +589,15 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; + module = "lib80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; + module = "lib80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; + module = "lib80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -606,10 +606,10 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, goto done; } - ops = ieee80211_get_crypto_ops(alg); + ops = lib80211_get_crypto_ops(alg); if (ops == NULL) { request_module(module); - ops = ieee80211_get_crypto_ops(alg); + ops = lib80211_get_crypto_ops(alg); } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -619,9 +619,9 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, } if (*crypt == NULL || (*crypt)->ops != ops) { - struct ieee80211_crypt_data *new_crypt; + struct lib80211_crypt_data *new_crypt; - ieee80211_crypt_delayed_deinit(ieee, crypt); + lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt); new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); if (new_crypt == NULL) { @@ -649,7 +649,7 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, skip_host_crypt: if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { - ieee->tx_keyidx = idx; + ieee->crypt_info.tx_keyidx = idx; sec.active_key = idx; sec.flags |= SEC_ACTIVE_KEY; } @@ -715,7 +715,7 @@ int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, return -EINVAL; idx--; } else - idx = ieee->tx_keyidx; + idx = ieee->crypt_info.tx_keyidx; if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && ext->alg != IW_ENCODE_ALG_WEP) diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index ae7f226..f7c64db 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -82,3 +82,12 @@ config LIB80211 Drivers should select this themselves if needed. Say Y if you want this built into your kernel. + +config LIB80211_CRYPT_WEP + tristate + +config LIB80211_CRYPT_CCMP + tristate + +config LIB80211_CRYPT_TKIP + tristate diff --git a/net/wireless/Makefile b/net/wireless/Makefile index d2d848d..cc547ed 100644 --- a/net/wireless/Makefile +++ b/net/wireless/Makefile @@ -1,6 +1,9 @@ obj-$(CONFIG_WIRELESS_EXT) += wext.o 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-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o cfg80211-$(CONFIG_NL80211) += nl80211.o diff --git a/net/wireless/lib80211.c b/net/wireless/lib80211.c index e71f7d0..d681721 100644 --- a/net/wireless/lib80211.c +++ b/net/wireless/lib80211.c @@ -3,11 +3,23 @@ * * 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> + * */ #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> @@ -19,6 +31,14 @@ 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); + const char *print_ssid(char *buf, const char *ssid, u8 ssid_len) { const char *s = ssid; @@ -51,15 +71,176 @@ const char *print_ssid(char *buf, const char *ssid, u8 ssid_len) } EXPORT_SYMBOL(print_ssid); -static int __init ieee80211_init(void) +void lib80211_crypt_deinit_entries(struct lib80211_crypt_info *info, int force) { - printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION "\n"); + 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); +} +EXPORT_SYMBOL(lib80211_crypt_deinit_entries); + +/* After this, crypt_deinit_list won't accept new members */ +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); +} +EXPORT_SYMBOL(lib80211_crypt_quiescing); + +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); +} +EXPORT_SYMBOL(lib80211_crypt_deinit_handler); + +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) +{ + printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION "\n"); + return lib80211_register_crypto_ops(&lib80211_crypt_null); +} -static void __exit ieee80211_exit(void) +static void __exit lib80211_exit(void) { + lib80211_unregister_crypto_ops(&lib80211_crypt_null); + BUG_ON(!list_empty(&lib80211_crypto_algs)); } -module_init(ieee80211_init); -module_exit(ieee80211_exit); +module_init(lib80211_init); +module_exit(lib80211_exit); diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c index bea04af..db42819 100644 --- a/net/ieee80211/ieee80211_crypt_ccmp.c +++ b/net/wireless/lib80211_crypt_ccmp.c @@ -1,7 +1,8 @@ /* - * Host AP crypt: host-based CCMP encryption implementation for Host AP driver + * 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 @@ -22,10 +23,12 @@ #include <asm/string.h> #include <linux/wireless.h> -#include <net/ieee80211.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"); @@ -36,7 +39,7 @@ MODULE_LICENSE("GPL"); #define CCMP_TK_LEN 16 #define CCMP_PN_LEN 6 -struct ieee80211_ccmp_data { +struct lib80211_ccmp_data { u8 key[CCMP_TK_LEN]; int key_set; @@ -57,15 +60,15 @@ struct ieee80211_ccmp_data { u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN]; }; -static inline void ieee80211_ccmp_aes_encrypt(struct crypto_cipher *tfm, +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 *ieee80211_ccmp_init(int key_idx) +static void *lib80211_ccmp_init(int key_idx) { - struct ieee80211_ccmp_data *priv; + struct lib80211_ccmp_data *priv; priv = kzalloc(sizeof(*priv), GFP_ATOMIC); if (priv == NULL) @@ -74,7 +77,7 @@ static void *ieee80211_ccmp_init(int key_idx) priv->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tfm)) { - printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_ccmp: could not allocate " "crypto API aes\n"); priv->tfm = NULL; goto fail; @@ -92,9 +95,9 @@ static void *ieee80211_ccmp_init(int key_idx) return NULL; } -static void ieee80211_ccmp_deinit(void *priv) +static void lib80211_ccmp_deinit(void *priv) { - struct ieee80211_ccmp_data *_priv = priv; + struct lib80211_ccmp_data *_priv = priv; if (_priv && _priv->tfm) crypto_free_cipher(_priv->tfm); kfree(priv); @@ -108,20 +111,17 @@ static inline void xor_block(u8 * b, u8 * a, size_t len) } static void ccmp_init_blocks(struct crypto_cipher *tfm, - struct ieee80211_hdr_4addr *hdr, + struct ieee80211_hdr *hdr, u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0) { u8 *pos, qc = 0; size_t aad_len; - u16 fc; int a4_included, qc_included; u8 aad[2 * AES_BLOCK_LEN]; - fc = le16_to_cpu(hdr->frame_ctl); - a4_included = ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == - (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)); - qc_included = ((WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) && - (WLAN_FC_GET_STYPE(fc) & IEEE80211_STYPE_QOS_DATA)); + 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; @@ -158,7 +158,7 @@ static void ccmp_init_blocks(struct crypto_cipher *tfm, aad[2] = pos[0] & 0x8f; aad[3] = pos[1] & 0xc7; memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN); - pos = (u8 *) & hdr->seq_ctl; + pos = (u8 *) & hdr->seq_ctrl; aad[22] = pos[0] & 0x0f; aad[23] = 0; /* all bits masked */ memset(aad + 24, 0, 8); @@ -170,20 +170,20 @@ static void ccmp_init_blocks(struct crypto_cipher *tfm, } /* Start with the first block and AAD */ - ieee80211_ccmp_aes_encrypt(tfm, b0, auth); + lib80211_ccmp_aes_encrypt(tfm, b0, auth); xor_block(auth, aad, AES_BLOCK_LEN); - ieee80211_ccmp_aes_encrypt(tfm, auth, auth); + lib80211_ccmp_aes_encrypt(tfm, auth, auth); xor_block(auth, &aad[AES_BLOCK_LEN], AES_BLOCK_LEN); - ieee80211_ccmp_aes_encrypt(tfm, auth, auth); + lib80211_ccmp_aes_encrypt(tfm, auth, auth); b0[0] &= 0x07; b0[14] = b0[15] = 0; - ieee80211_ccmp_aes_encrypt(tfm, b0, s0); + lib80211_ccmp_aes_encrypt(tfm, b0, s0); } -static int ieee80211_ccmp_hdr(struct sk_buff *skb, int hdr_len, +static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len, u8 *aeskey, int keylen, void *priv) { - struct ieee80211_ccmp_data *key = priv; + struct lib80211_ccmp_data *key = priv; int i; u8 *pos; @@ -217,12 +217,12 @@ static int ieee80211_ccmp_hdr(struct sk_buff *skb, int hdr_len, return CCMP_HDR_LEN; } -static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) +static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { - struct ieee80211_ccmp_data *key = priv; + struct lib80211_ccmp_data *key = priv; int data_len, i, blocks, last, len; u8 *pos, *mic; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; u8 *b0 = key->tx_b0; u8 *b = key->tx_b; u8 *e = key->tx_e; @@ -232,13 +232,13 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) return -1; data_len = skb->len - hdr_len; - len = ieee80211_ccmp_hdr(skb, hdr_len, NULL, 0, priv); + len = lib80211_ccmp_hdr(skb, hdr_len, NULL, 0, priv); if (len < 0) return -1; pos = skb->data + hdr_len + CCMP_HDR_LEN; mic = skb_put(skb, CCMP_MIC_LEN); - hdr = (struct ieee80211_hdr_4addr *)skb->data; + 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); @@ -248,11 +248,11 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) len = (i == blocks && last) ? last : AES_BLOCK_LEN; /* Authentication */ xor_block(b, pos, len); - ieee80211_ccmp_aes_encrypt(key->tfm, b, b); + lib80211_ccmp_aes_encrypt(key->tfm, b, b); /* Encryption, with counter */ b0[14] = (i >> 8) & 0xff; b0[15] = i & 0xff; - ieee80211_ccmp_aes_encrypt(key->tfm, b0, e); + lib80211_ccmp_aes_encrypt(key->tfm, b0, e); xor_block(pos, e, len); pos += len; } @@ -284,11 +284,11 @@ static inline int ccmp_replay_check(u8 *pn_n, u8 *pn_o) return 0; } -static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) +static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { - struct ieee80211_ccmp_data *key = priv; + struct lib80211_ccmp_data *key = priv; u8 keyidx, *pos; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; u8 *b0 = key->rx_b0; u8 *b = key->rx_b; u8 *a = key->rx_a; @@ -302,7 +302,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return -1; } - hdr = (struct ieee80211_hdr_4addr *)skb->data; + hdr = (struct ieee80211_hdr *)skb->data; pos = skb->data + hdr_len; keyidx = pos[3]; if (!(keyidx & (1 << 5))) { @@ -337,8 +337,8 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) pos += 8; if (ccmp_replay_check(pn, key->rx_pn)) { - if (ieee80211_ratelimit_debug(IEEE80211_DL_DROP)) { - IEEE80211_DEBUG_DROP("CCMP: replay detected: STA=%pM " + 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, @@ -361,11 +361,11 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) /* Decrypt, with counter */ b0[14] = (i >> 8) & 0xff; b0[15] = i & 0xff; - ieee80211_ccmp_aes_encrypt(key->tfm, b0, b); + lib80211_ccmp_aes_encrypt(key->tfm, b0, b); xor_block(pos, b, len); /* Authentication */ xor_block(a, pos, len); - ieee80211_ccmp_aes_encrypt(key->tfm, a, a); + lib80211_ccmp_aes_encrypt(key->tfm, a, a); pos += len; } @@ -388,9 +388,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return keyidx; } -static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv) +static int lib80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv) { - struct ieee80211_ccmp_data *data = priv; + struct lib80211_ccmp_data *data = priv; int keyidx; struct crypto_cipher *tfm = data->tfm; @@ -418,9 +418,9 @@ static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv) return 0; } -static int ieee80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv) +static int lib80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv) { - struct ieee80211_ccmp_data *data = priv; + struct lib80211_ccmp_data *data = priv; if (len < CCMP_TK_LEN) return -1; @@ -441,9 +441,9 @@ static int ieee80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv) return CCMP_TK_LEN; } -static char *ieee80211_ccmp_print_stats(char *p, void *priv) +static char *lib80211_ccmp_print_stats(char *p, void *priv) { - struct ieee80211_ccmp_data *ccmp = 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 " @@ -461,32 +461,32 @@ static char *ieee80211_ccmp_print_stats(char *p, void *priv) return p; } -static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = { +static struct lib80211_crypto_ops lib80211_crypt_ccmp = { .name = "CCMP", - .init = ieee80211_ccmp_init, - .deinit = ieee80211_ccmp_deinit, - .build_iv = ieee80211_ccmp_hdr, - .encrypt_mpdu = ieee80211_ccmp_encrypt, - .decrypt_mpdu = ieee80211_ccmp_decrypt, + .init = lib80211_ccmp_init, + .deinit = lib80211_ccmp_deinit, + .build_iv = lib80211_ccmp_hdr, + .encrypt_mpdu = lib80211_ccmp_encrypt, + .decrypt_mpdu = lib80211_ccmp_decrypt, .encrypt_msdu = NULL, .decrypt_msdu = NULL, - .set_key = ieee80211_ccmp_set_key, - .get_key = ieee80211_ccmp_get_key, - .print_stats = ieee80211_ccmp_print_stats, + .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 ieee80211_crypto_ccmp_init(void) +static int __init lib80211_crypto_ccmp_init(void) { - return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp); + return lib80211_register_crypto_ops(&lib80211_crypt_ccmp); } -static void __exit ieee80211_crypto_ccmp_exit(void) +static void __exit lib80211_crypto_ccmp_exit(void) { - ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp); + lib80211_unregister_crypto_ops(&lib80211_crypt_ccmp); } -module_init(ieee80211_crypto_ccmp_init); -module_exit(ieee80211_crypto_ccmp_exit); +module_init(lib80211_crypto_ccmp_init); +module_exit(lib80211_crypto_ccmp_exit); diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c index d12da1d..7e8e22b 100644 --- a/net/ieee80211/ieee80211_crypt_tkip.c +++ b/net/wireless/lib80211_crypt_tkip.c @@ -1,7 +1,8 @@ /* - * Host AP crypt: host-based TKIP encryption implementation for Host AP driver + * 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 @@ -22,16 +23,20 @@ #include <linux/if_arp.h> #include <asm/string.h> -#include <net/ieee80211.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("Host AP crypt: TKIP"); +MODULE_DESCRIPTION("lib80211 crypt: TKIP"); MODULE_LICENSE("GPL"); -struct ieee80211_tkip_data { +struct lib80211_tkip_data { #define TKIP_KEY_LEN 32 u8 key[TKIP_KEY_LEN]; int key_set; @@ -65,23 +70,23 @@ struct ieee80211_tkip_data { unsigned long flags; }; -static unsigned long ieee80211_tkip_set_flags(unsigned long flags, void *priv) +static unsigned long lib80211_tkip_set_flags(unsigned long flags, void *priv) { - struct ieee80211_tkip_data *_priv = priv; + struct lib80211_tkip_data *_priv = priv; unsigned long old_flags = _priv->flags; _priv->flags = flags; return old_flags; } -static unsigned long ieee80211_tkip_get_flags(void *priv) +static unsigned long lib80211_tkip_get_flags(void *priv) { - struct ieee80211_tkip_data *_priv = priv; + struct lib80211_tkip_data *_priv = priv; return _priv->flags; } -static void *ieee80211_tkip_init(int key_idx) +static void *lib80211_tkip_init(int key_idx) { - struct ieee80211_tkip_data *priv; + struct lib80211_tkip_data *priv; priv = kzalloc(sizeof(*priv), GFP_ATOMIC); if (priv == NULL) @@ -92,7 +97,7 @@ static void *ieee80211_tkip_init(int key_idx) priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_arc4)) { - printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_tkip: could not allocate " "crypto API arc4\n"); priv->tx_tfm_arc4 = NULL; goto fail; @@ -101,7 +106,7 @@ static void *ieee80211_tkip_init(int key_idx) priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm_michael)) { - printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_tkip: could not allocate " "crypto API michael_mic\n"); priv->tx_tfm_michael = NULL; goto fail; @@ -110,7 +115,7 @@ static void *ieee80211_tkip_init(int key_idx) priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_arc4)) { - printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_tkip: could not allocate " "crypto API arc4\n"); priv->rx_tfm_arc4 = NULL; goto fail; @@ -119,7 +124,7 @@ static void *ieee80211_tkip_init(int key_idx) priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm_michael)) { - printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_tkip: could not allocate " "crypto API michael_mic\n"); priv->rx_tfm_michael = NULL; goto fail; @@ -143,9 +148,9 @@ static void *ieee80211_tkip_init(int key_idx) return NULL; } -static void ieee80211_tkip_deinit(void *priv) +static void lib80211_tkip_deinit(void *priv) { - struct ieee80211_tkip_data *_priv = priv; + struct lib80211_tkip_data *_priv = priv; if (_priv) { if (_priv->tx_tfm_michael) crypto_free_hash(_priv->tx_tfm_michael); @@ -305,15 +310,15 @@ static void tkip_mixing_phase2(u8 * WEPSeed, const u8 * TK, const u16 * TTAK, #endif } -static int ieee80211_tkip_hdr(struct sk_buff *skb, int hdr_len, +static int lib80211_tkip_hdr(struct sk_buff *skb, int hdr_len, u8 * rc4key, int keylen, void *priv) { - struct ieee80211_tkip_data *tkey = priv; + struct lib80211_tkip_data *tkey = priv; int len; u8 *pos; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr *hdr; - hdr = (struct ieee80211_hdr_4addr *)skb->data; + hdr = (struct ieee80211_hdr *)skb->data; if (skb_headroom(skb) < 8 || skb->len < hdr_len) return -1; @@ -351,9 +356,9 @@ static int ieee80211_tkip_hdr(struct sk_buff *skb, int hdr_len, return 8; } -static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) +static int lib80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { - struct ieee80211_tkip_data *tkey = priv; + struct lib80211_tkip_data *tkey = priv; struct blkcipher_desc desc = { .tfm = tkey->tx_tfm_arc4 }; int len; u8 rc4key[16], *pos, *icv; @@ -362,8 +367,8 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) { if (net_ratelimit()) { - struct ieee80211_hdr_4addr *hdr = - (struct ieee80211_hdr_4addr *)skb->data; + struct ieee80211_hdr *hdr = + (struct ieee80211_hdr *)skb->data; printk(KERN_DEBUG ": TKIP countermeasures: dropped " "TX packet to %pM\n", hdr->addr1); } @@ -376,7 +381,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) len = skb->len - hdr_len; pos = skb->data + hdr_len; - if ((ieee80211_tkip_hdr(skb, hdr_len, rc4key, 16, priv)) < 0) + if ((lib80211_tkip_hdr(skb, hdr_len, rc4key, 16, priv)) < 0) return -1; icv = skb_put(skb, 4); @@ -405,21 +410,21 @@ static inline int tkip_replay_check(u32 iv32_n, u16 iv16_n, return 0; } -static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) +static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { - struct ieee80211_tkip_data *tkey = 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_4addr *hdr; + struct ieee80211_hdr *hdr; u8 icv[4]; u32 crc; struct scatterlist sg; int plen; - hdr = (struct ieee80211_hdr_4addr *)skb->data; + hdr = (struct ieee80211_hdr *)skb->data; if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) { if (net_ratelimit()) { @@ -460,8 +465,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) pos += 8; if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) { - if (ieee80211_ratelimit_debug(IEEE80211_DL_DROP)) { - IEEE80211_DEBUG_DROP("TKIP: replay detected: STA=%pM" + 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); @@ -500,8 +505,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) * it needs to be recalculated for the next packet. */ tkey->rx_phase1_done = 0; } - if (ieee80211_ratelimit_debug(IEEE80211_DL_DROP)) { - IEEE80211_DEBUG_DROP("TKIP: ICV error detected: STA=" + if (net_ratelimit()) { + printk(KERN_DEBUG "TKIP: ICV error detected: STA=" "%pM\n", hdr->addr2); } tkey->dot11RSNAStatsTKIPICVErrors++; @@ -545,13 +550,11 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr, static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr) { - struct ieee80211_hdr_4addr *hdr11; - u16 stype; + struct ieee80211_hdr *hdr11; - hdr11 = (struct ieee80211_hdr_4addr *)skb->data; - stype = WLAN_FC_GET_STYPE(le16_to_cpu(hdr11->frame_ctl)); + hdr11 = (struct ieee80211_hdr *)skb->data; - switch (le16_to_cpu(hdr11->frame_ctl) & + switch (le16_to_cpu(hdr11->frame_control) & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { case IEEE80211_FCTL_TODS: memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ @@ -571,20 +574,19 @@ static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr) break; } - if (stype & IEEE80211_STYPE_QOS_DATA) { - const struct ieee80211_hdr_3addrqos *qoshdr = - (struct ieee80211_hdr_3addrqos *)skb->data; - hdr[12] = le16_to_cpu(qoshdr->qos_ctl) & IEEE80211_QCTL_TID; + if (ieee80211_is_data_qos(hdr11->frame_control)) { + hdr[12] = le16_to_cpu(*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 ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, +static int lib80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv) { - struct ieee80211_tkip_data *tkey = priv; + struct lib80211_tkip_data *tkey = priv; u8 *pos; if (skb_tailroom(skb) < 8 || skb->len < hdr_len) { @@ -603,8 +605,8 @@ static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, return 0; } -static void ieee80211_michael_mic_failure(struct net_device *dev, - struct ieee80211_hdr_4addr *hdr, +static void lib80211_michael_mic_failure(struct net_device *dev, + struct ieee80211_hdr *hdr, int keyidx) { union iwreq_data wrqu; @@ -624,10 +626,10 @@ static void ieee80211_michael_mic_failure(struct net_device *dev, wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); } -static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, +static int lib80211_michael_mic_verify(struct sk_buff *skb, int keyidx, int hdr_len, void *priv) { - struct ieee80211_tkip_data *tkey = priv; + struct lib80211_tkip_data *tkey = priv; u8 mic[8]; if (!tkey->key_set) @@ -638,14 +640,14 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, 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_4addr *hdr; - hdr = (struct ieee80211_hdr_4addr *)skb->data; + 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) - ieee80211_michael_mic_failure(skb->dev, hdr, keyidx); + lib80211_michael_mic_failure(skb->dev, hdr, keyidx); tkey->dot11RSNAStatsTKIPLocalMICFailures++; return -1; } @@ -660,9 +662,9 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, return 0; } -static int ieee80211_tkip_set_key(void *key, int len, u8 * seq, void *priv) +static int lib80211_tkip_set_key(void *key, int len, u8 * seq, void *priv) { - struct ieee80211_tkip_data *tkey = 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; @@ -693,9 +695,9 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 * seq, void *priv) return 0; } -static int ieee80211_tkip_get_key(void *key, int len, u8 * seq, void *priv) +static int lib80211_tkip_get_key(void *key, int len, u8 * seq, void *priv) { - struct ieee80211_tkip_data *tkey = priv; + struct lib80211_tkip_data *tkey = priv; if (len < TKIP_KEY_LEN) return -1; @@ -722,9 +724,9 @@ static int ieee80211_tkip_get_key(void *key, int len, u8 * seq, void *priv) return TKIP_KEY_LEN; } -static char *ieee80211_tkip_print_stats(char *p, void *priv) +static char *lib80211_tkip_print_stats(char *p, void *priv) { - struct ieee80211_tkip_data *tkip = 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 " @@ -748,35 +750,35 @@ static char *ieee80211_tkip_print_stats(char *p, void *priv) return p; } -static struct ieee80211_crypto_ops ieee80211_crypt_tkip = { +static struct lib80211_crypto_ops lib80211_crypt_tkip = { .name = "TKIP", - .init = ieee80211_tkip_init, - .deinit = ieee80211_tkip_deinit, - .build_iv = ieee80211_tkip_hdr, - .encrypt_mpdu = ieee80211_tkip_encrypt, - .decrypt_mpdu = ieee80211_tkip_decrypt, - .encrypt_msdu = ieee80211_michael_mic_add, - .decrypt_msdu = ieee80211_michael_mic_verify, - .set_key = ieee80211_tkip_set_key, - .get_key = ieee80211_tkip_get_key, - .print_stats = ieee80211_tkip_print_stats, + .init = lib80211_tkip_init, + .deinit = lib80211_tkip_deinit, + .build_iv = lib80211_tkip_hdr, + .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 = ieee80211_tkip_get_flags, - .set_flags = ieee80211_tkip_set_flags, + .get_flags = lib80211_tkip_get_flags, + .set_flags = lib80211_tkip_set_flags, .owner = THIS_MODULE, }; -static int __init ieee80211_crypto_tkip_init(void) +static int __init lib80211_crypto_tkip_init(void) { - return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip); + return lib80211_register_crypto_ops(&lib80211_crypt_tkip); } -static void __exit ieee80211_crypto_tkip_exit(void) +static void __exit lib80211_crypto_tkip_exit(void) { - ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip); + lib80211_unregister_crypto_ops(&lib80211_crypt_tkip); } -module_init(ieee80211_crypto_tkip_init); -module_exit(ieee80211_crypto_tkip_exit); +module_init(lib80211_crypto_tkip_init); +module_exit(lib80211_crypto_tkip_exit); diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/wireless/lib80211_crypt_wep.c index 3fa30c4..6d41e05 100644 --- a/net/ieee80211/ieee80211_crypt_wep.c +++ b/net/wireless/lib80211_crypt_wep.c @@ -1,7 +1,8 @@ /* - * Host AP crypt: host-based WEP encryption implementation for Host AP driver + * 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 @@ -19,16 +20,16 @@ #include <linux/mm.h> #include <asm/string.h> -#include <net/ieee80211.h> +#include <net/lib80211.h> #include <linux/crypto.h> #include <linux/crc32.h> MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Host AP crypt: WEP"); +MODULE_DESCRIPTION("lib80211 crypt: WEP"); MODULE_LICENSE("GPL"); -struct prism2_wep_data { +struct lib80211_wep_data { u32 iv; #define WEP_KEY_LEN 13 u8 key[WEP_KEY_LEN + 1]; @@ -38,9 +39,9 @@ struct prism2_wep_data { struct crypto_blkcipher *rx_tfm; }; -static void *prism2_wep_init(int keyidx) +static void *lib80211_wep_init(int keyidx) { - struct prism2_wep_data *priv; + struct lib80211_wep_data *priv; priv = kzalloc(sizeof(*priv), GFP_ATOMIC); if (priv == NULL) @@ -49,7 +50,7 @@ static void *prism2_wep_init(int keyidx) priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->tx_tfm)) { - printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_wep: could not allocate " "crypto API arc4\n"); priv->tx_tfm = NULL; goto fail; @@ -57,7 +58,7 @@ static void *prism2_wep_init(int keyidx) priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(priv->rx_tfm)) { - printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " + printk(KERN_DEBUG "lib80211_crypt_wep: could not allocate " "crypto API arc4\n"); priv->rx_tfm = NULL; goto fail; @@ -78,9 +79,9 @@ static void *prism2_wep_init(int keyidx) return NULL; } -static void prism2_wep_deinit(void *priv) +static void lib80211_wep_deinit(void *priv) { - struct prism2_wep_data *_priv = priv; + struct lib80211_wep_data *_priv = priv; if (_priv) { if (_priv->tx_tfm) crypto_free_blkcipher(_priv->tx_tfm); @@ -91,10 +92,10 @@ static void prism2_wep_deinit(void *priv) } /* Add WEP IV/key info to a frame that has at least 4 bytes of headroom */ -static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len, +static int lib80211_wep_build_iv(struct sk_buff *skb, int hdr_len, u8 *key, int keylen, void *priv) { - struct prism2_wep_data *wep = priv; + struct lib80211_wep_data *wep = priv; u32 klen, len; u8 *pos; @@ -134,21 +135,21 @@ static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len, * * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data)) */ -static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) +static int lib80211_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) { - struct prism2_wep_data *wep = 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 prism2_wep_build_iv */ + /* other checks are in lib80211_wep_build_iv */ if (skb_tailroom(skb) < 4) return -1; /* add the IV to the frame */ - if (prism2_wep_build_iv(skb, hdr_len, NULL, 0, priv)) + if (lib80211_wep_build_iv(skb, hdr_len, NULL, 0, priv)) return -1; /* Copy the IV into the first 3 bytes of the key */ @@ -181,9 +182,9 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) * 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 prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) +static int lib80211_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) { - struct prism2_wep_data *wep = 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]; @@ -232,9 +233,9 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) return 0; } -static int prism2_wep_set_key(void *key, int len, u8 * seq, void *priv) +static int lib80211_wep_set_key(void *key, int len, u8 * seq, void *priv) { - struct prism2_wep_data *wep = priv; + struct lib80211_wep_data *wep = priv; if (len < 0 || len > WEP_KEY_LEN) return -1; @@ -245,9 +246,9 @@ static int prism2_wep_set_key(void *key, int len, u8 * seq, void *priv) return 0; } -static int prism2_wep_get_key(void *key, int len, u8 * seq, void *priv) +static int lib80211_wep_get_key(void *key, int len, u8 * seq, void *priv) { - struct prism2_wep_data *wep = priv; + struct lib80211_wep_data *wep = priv; if (len < wep->key_len) return -1; @@ -257,39 +258,39 @@ static int prism2_wep_get_key(void *key, int len, u8 * seq, void *priv) return wep->key_len; } -static char *prism2_wep_print_stats(char *p, void *priv) +static char *lib80211_wep_print_stats(char *p, void *priv) { - struct prism2_wep_data *wep = 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 ieee80211_crypto_ops ieee80211_crypt_wep = { +static struct lib80211_crypto_ops lib80211_crypt_wep = { .name = "WEP", - .init = prism2_wep_init, - .deinit = prism2_wep_deinit, - .build_iv = prism2_wep_build_iv, - .encrypt_mpdu = prism2_wep_encrypt, - .decrypt_mpdu = prism2_wep_decrypt, + .init = lib80211_wep_init, + .deinit = lib80211_wep_deinit, + .build_iv = lib80211_wep_build_iv, + .encrypt_mpdu = lib80211_wep_encrypt, + .decrypt_mpdu = lib80211_wep_decrypt, .encrypt_msdu = NULL, .decrypt_msdu = NULL, - .set_key = prism2_wep_set_key, - .get_key = prism2_wep_get_key, - .print_stats = prism2_wep_print_stats, + .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 ieee80211_crypto_wep_init(void) +static int __init lib80211_crypto_wep_init(void) { - return ieee80211_register_crypto_ops(&ieee80211_crypt_wep); + return lib80211_register_crypto_ops(&lib80211_crypt_wep); } -static void __exit ieee80211_crypto_wep_exit(void) +static void __exit lib80211_crypto_wep_exit(void) { - ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep); + lib80211_unregister_crypto_ops(&lib80211_crypt_wep); } -module_init(ieee80211_crypto_wep_init); -module_exit(ieee80211_crypto_wep_exit); +module_init(lib80211_crypto_wep_init); +module_exit(lib80211_crypto_wep_exit); |