iwlwifi: change email contact information
[safe/jmp/linux-2.6] / drivers / net / wireless / iwlwifi / iwl-sta.c
index b3caed4..a803cfa 100644 (file)
@@ -22,7 +22,7 @@
  * file called LICENSE.
  *
  * Contact Information:
- * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ *  Intel Linux Wireless <ilw@linux.intel.com>
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  *****************************************************************************/
 #include <net/mac80211.h>
 #include <linux/etherdevice.h>
 
-#include "iwl-eeprom.h"
 #include "iwl-dev.h"
 #include "iwl-core.h"
 #include "iwl-sta.h"
-#include "iwl-io.h"
 #include "iwl-helpers.h"
 
 
-#define IWL_STA_DRIVER_ACTIVE          0x1     /* ucode entry is active */
-#define IWL_STA_UCODE_ACTIVE           0x2     /* ucode entry is active */
+#define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
+#define IWL_STA_UCODE_ACTIVE  BIT(1) /* ucode entry is active */
 
 u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
 {
@@ -47,10 +45,9 @@ u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
        int start = 0;
        int ret = IWL_INVALID_STATION;
        unsigned long flags;
-       DECLARE_MAC_BUF(mac);
 
-       if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) ||
-           (priv->iw_mode == IEEE80211_IF_TYPE_AP))
+       if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) ||
+           (priv->iw_mode == NL80211_IFTYPE_AP))
                start = IWL_STA_ID;
 
        if (is_broadcast_ether_addr(addr))
@@ -65,8 +62,8 @@ u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
                        goto out;
                }
 
-       IWL_DEBUG_ASSOC_LIMIT("can not find STA %s total %d\n",
-                             print_mac(mac, addr), priv->num_stations);
+       IWL_DEBUG_ASSOC_LIMIT("can not find STA %pM total %d\n",
+                             addr, priv->num_stations);
 
  out:
        spin_unlock_irqrestore(&priv->sta_lock, flags);
@@ -74,10 +71,40 @@ u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
 }
 EXPORT_SYMBOL(iwl_find_station);
 
+int iwl_get_ra_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
+{
+       if (priv->iw_mode == NL80211_IFTYPE_STATION) {
+               return IWL_AP_ID;
+       } else {
+               u8 *da = ieee80211_get_DA(hdr);
+               return iwl_find_station(priv, da);
+       }
+}
+EXPORT_SYMBOL(iwl_get_ra_sta_id);
+
+static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+
+       if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE))
+               IWL_ERROR("ACTIVATE a non DRIVER active station %d\n", sta_id);
+
+       priv->stations[sta_id].used |= IWL_STA_UCODE_ACTIVE;
+       IWL_DEBUG_ASSOC("Added STA to Ucode: %pM\n",
+                       priv->stations[sta_id].sta.sta.addr);
+
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
+}
+
 static int iwl_add_sta_callback(struct iwl_priv *priv,
                                   struct iwl_cmd *cmd, struct sk_buff *skb)
 {
        struct iwl_rx_packet *res = NULL;
+       struct iwl_addsta_cmd *addsta =
+               (struct iwl_addsta_cmd *)cmd->cmd.payload;
+       u8 sta_id = addsta->sta.sta_id;
 
        if (!skb) {
                IWL_ERROR("Error: Response NULL in REPLY_ADD_STA.\n");
@@ -93,8 +120,8 @@ static int iwl_add_sta_callback(struct iwl_priv *priv,
 
        switch (res->u.add_sta.status) {
        case ADD_STA_SUCCESS_MSK:
-               /* FIXME: implement iwl_sta_ucode_activate(priv, addr); */
-               /* fail through */
+               iwl_sta_ucode_activate(priv, sta_id);
+                /* fall through */
        default:
                IWL_DEBUG_HC("Received REPLY_ADD_STA:(0x%08X)\n",
                             res->u.add_sta.status);
@@ -105,9 +132,7 @@ static int iwl_add_sta_callback(struct iwl_priv *priv,
        return 1;
 }
 
-
-
-int iwl_send_add_sta(struct iwl_priv *priv,
+static int iwl_send_add_sta(struct iwl_priv *priv,
                     struct iwl_addsta_cmd *sta, u8 flags)
 {
        struct iwl_rx_packet *res = NULL;
@@ -140,6 +165,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,
        if (ret == 0) {
                switch (res->u.add_sta.status) {
                case ADD_STA_SUCCESS_MSK:
+                       iwl_sta_ucode_activate(priv, sta->sta.sta_id);
                        IWL_DEBUG_INFO("REPLY_ADD_STA PASSED\n");
                        break;
                default:
@@ -154,10 +180,9 @@ int iwl_send_add_sta(struct iwl_priv *priv,
 
        return ret;
 }
-EXPORT_SYMBOL(iwl_send_add_sta);
 
 static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
-                                  struct ieee80211_ht_info *sta_ht_inf)
+                                  struct ieee80211_sta_ht_cap *sta_ht_inf)
 {
        __le32 sta_flags;
        u8 mimo_ps_mode;
@@ -165,23 +190,23 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
        if (!sta_ht_inf || !sta_ht_inf->ht_supported)
                goto done;
 
-       mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2;
+       mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2;
 
        sta_flags = priv->stations[index].sta.station_flags;
 
        sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK);
 
        switch (mimo_ps_mode) {
-       case WLAN_HT_CAP_MIMO_PS_STATIC:
+       case WLAN_HT_CAP_SM_PS_STATIC:
                sta_flags |= STA_FLG_MIMO_DIS_MSK;
                break;
-       case WLAN_HT_CAP_MIMO_PS_DYNAMIC:
+       case WLAN_HT_CAP_SM_PS_DYNAMIC:
                sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK;
                break;
-       case WLAN_HT_CAP_MIMO_PS_DISABLED:
+       case WLAN_HT_CAP_SM_PS_DISABLED:
                break;
        default:
-               IWL_WARNING("Invalid MIMO PS mode %d", mimo_ps_mode);
+               IWL_WARNING("Invalid MIMO PS mode %d\n", mimo_ps_mode);
                break;
        }
 
@@ -205,99 +230,100 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
  * iwl_add_station_flags - Add station to tables in driver and device
  */
 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
-                        u8 flags, struct ieee80211_ht_info *ht_info)
+                        u8 flags, struct ieee80211_sta_ht_cap *ht_info)
 {
        int i;
-       int index = IWL_INVALID_STATION;
+       int sta_id = IWL_INVALID_STATION;
        struct iwl_station_entry *station;
        unsigned long flags_spin;
-       DECLARE_MAC_BUF(mac);
 
        spin_lock_irqsave(&priv->sta_lock, flags_spin);
        if (is_ap)
-               index = IWL_AP_ID;
+               sta_id = IWL_AP_ID;
        else if (is_broadcast_ether_addr(addr))
-               index = priv->hw_params.bcast_sta_id;
+               sta_id = priv->hw_params.bcast_sta_id;
        else
                for (i = IWL_STA_ID; i < priv->hw_params.max_stations; i++) {
                        if (!compare_ether_addr(priv->stations[i].sta.sta.addr,
                                                addr)) {
-                               index = i;
+                               sta_id = i;
                                break;
                        }
 
                        if (!priv->stations[i].used &&
-                           index == IWL_INVALID_STATION)
-                               index = i;
+                           sta_id == IWL_INVALID_STATION)
+                               sta_id = i;
                }
 
-
        /* These two conditions have the same outcome, but keep them separate
-         since they have different meanings */
-       if (unlikely(index == IWL_INVALID_STATION)) {
+          since they have different meanings */
+       if (unlikely(sta_id == IWL_INVALID_STATION)) {
                spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
-               return index;
+               return sta_id;
        }
 
-       if (priv->stations[index].used &&
-           !compare_ether_addr(priv->stations[index].sta.sta.addr, addr)) {
+       if (priv->stations[sta_id].used &&
+           !compare_ether_addr(priv->stations[sta_id].sta.sta.addr, addr)) {
                spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
-               return index;
+               return sta_id;
        }
 
 
-       IWL_DEBUG_ASSOC("Add STA ID %d: %s\n", index, print_mac(mac, addr));
-       station = &priv->stations[index];
-       station->used = 1;
+       station = &priv->stations[sta_id];
+       station->used = IWL_STA_DRIVER_ACTIVE;
+       IWL_DEBUG_ASSOC("Add STA to driver ID %d: %pM\n",
+                       sta_id, addr);
        priv->num_stations++;
 
        /* Set up the REPLY_ADD_STA command to send to device */
        memset(&station->sta, 0, sizeof(struct iwl_addsta_cmd));
        memcpy(station->sta.sta.addr, addr, ETH_ALEN);
        station->sta.mode = 0;
-       station->sta.sta.sta_id = index;
+       station->sta.sta.sta_id = sta_id;
        station->sta.station_flags = 0;
 
        /* BCAST station and IBSS stations do not work in HT mode */
-       if (index != priv->hw_params.bcast_sta_id &&
-           priv->iw_mode != IEEE80211_IF_TYPE_IBSS)
-               iwl_set_ht_add_station(priv, index, ht_info);
+       if (sta_id != priv->hw_params.bcast_sta_id &&
+           priv->iw_mode != NL80211_IFTYPE_ADHOC)
+               iwl_set_ht_add_station(priv, sta_id, ht_info);
 
        spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
 
        /* Add station to device's station table */
        iwl_send_add_sta(priv, &station->sta, flags);
-       return index;
+       return sta_id;
 
 }
 EXPORT_SYMBOL(iwl_add_station_flags);
 
-
-static int iwl_sta_ucode_deactivate(struct iwl_priv *priv, const char *addr)
+static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, const char *addr)
 {
        unsigned long flags;
-       u8 sta_id;
-       DECLARE_MAC_BUF(mac);
+       u8 sta_id = iwl_find_station(priv, addr);
 
-       sta_id = iwl_find_station(priv, addr);
-       if (sta_id != IWL_INVALID_STATION) {
-               IWL_DEBUG_ASSOC("Removed STA from Ucode: %s\n",
-                               print_mac(mac, addr));
-               spin_lock_irqsave(&priv->sta_lock, flags);
-               priv->stations[sta_id].used &= ~IWL_STA_UCODE_ACTIVE;
-               memset(&priv->stations[sta_id], 0,
-                       sizeof(struct iwl_station_entry));
-               spin_unlock_irqrestore(&priv->sta_lock, flags);
-               return 0;
-       }
-       return -EINVAL;
+       BUG_ON(sta_id == IWL_INVALID_STATION);
+
+       IWL_DEBUG_ASSOC("Removed STA from Ucode: %pM\n", addr);
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+
+       /* Ucode must be active and driver must be non active */
+       if (priv->stations[sta_id].used != IWL_STA_UCODE_ACTIVE)
+               IWL_ERROR("removed non active STA %d\n", sta_id);
+
+       priv->stations[sta_id].used &= ~IWL_STA_UCODE_ACTIVE;
+
+       memset(&priv->stations[sta_id], 0, sizeof(struct iwl_station_entry));
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
 
 static int iwl_remove_sta_callback(struct iwl_priv *priv,
                                   struct iwl_cmd *cmd, struct sk_buff *skb)
 {
        struct iwl_rx_packet *res = NULL;
-       const char *addr = cmd->cmd.rm_sta.addr;
+       struct iwl_rem_sta_cmd *rm_sta =
+                (struct iwl_rem_sta_cmd *)cmd->cmd.payload;
+       const char *addr = rm_sta->addr;
 
        if (!skb) {
                IWL_ERROR("Error: Response NULL in REPLY_REMOVE_STA.\n");
@@ -316,6 +342,7 @@ static int iwl_remove_sta_callback(struct iwl_priv *priv,
                iwl_sta_ucode_deactivate(priv, addr);
                break;
        default:
+               IWL_ERROR("REPLY_REMOVE_STA failed\n");
                break;
        }
 
@@ -376,49 +403,90 @@ static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr,
 
        return ret;
 }
+
 /**
  * iwl_remove_station - Remove driver's knowledge of station.
- *
  */
-u8 iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
+int iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
 {
-       int index = IWL_INVALID_STATION;
-       int i;
+       int sta_id = IWL_INVALID_STATION;
+       int i, ret = -EINVAL;
        unsigned long flags;
 
        spin_lock_irqsave(&priv->sta_lock, flags);
 
        if (is_ap)
-               index = IWL_AP_ID;
+               sta_id = IWL_AP_ID;
        else if (is_broadcast_ether_addr(addr))
-               index = priv->hw_params.bcast_sta_id;
+               sta_id = priv->hw_params.bcast_sta_id;
        else
                for (i = IWL_STA_ID; i < priv->hw_params.max_stations; i++)
                        if (priv->stations[i].used &&
                            !compare_ether_addr(priv->stations[i].sta.sta.addr,
                                                addr)) {
-                               index = i;
+                               sta_id = i;
                                break;
                        }
 
-       if (unlikely(index == IWL_INVALID_STATION))
+       if (unlikely(sta_id == IWL_INVALID_STATION))
+               goto out;
+
+       IWL_DEBUG_ASSOC("Removing STA from driver:%d  %pM\n",
+               sta_id, addr);
+
+       if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) {
+               IWL_ERROR("Removing %pM but non DRIVER active\n",
+                               addr);
                goto out;
+       }
 
-       if (priv->stations[index].used) {
-               priv->stations[index].used = 0;
-               priv->num_stations--;
+       if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) {
+               IWL_ERROR("Removing %pM but non UCODE active\n",
+                               addr);
+               goto out;
        }
 
+
+       priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE;
+
+       priv->num_stations--;
+
        BUG_ON(priv->num_stations < 0);
+
        spin_unlock_irqrestore(&priv->sta_lock, flags);
-       iwl_send_remove_station(priv, addr, CMD_ASYNC);
-       return index;
+
+       ret = iwl_send_remove_station(priv, addr, CMD_ASYNC);
+       return ret;
 out:
        spin_unlock_irqrestore(&priv->sta_lock, flags);
-       return 0;
+       return ret;
 }
 EXPORT_SYMBOL(iwl_remove_station);
-int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
+
+/**
+ * iwl_clear_stations_table - Clear the driver's station table
+ *
+ * NOTE:  This does not clear or otherwise alter the device's station table.
+ */
+void iwl_clear_stations_table(struct iwl_priv *priv)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+
+       if (iwl_is_alive(priv) &&
+          !test_bit(STATUS_EXIT_PENDING, &priv->status) &&
+          iwl_send_cmd_pdu_async(priv, REPLY_REMOVE_ALL_STA, 0, NULL, NULL))
+               IWL_ERROR("Couldn't clear the station table\n");
+
+       priv->num_stations = 0;
+       memset(priv->stations, 0, sizeof(priv->stations));
+
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
+}
+EXPORT_SYMBOL(iwl_clear_stations_table);
+
+static int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 {
        int i;
 
@@ -426,7 +494,7 @@ int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
                if (!test_and_set_bit(i, &priv->ucode_key_table))
                        return i;
 
-       return -1;
+       return WEP_INVALID_OFFSET;
 }
 
 int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
@@ -488,6 +556,8 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
        priv->default_wep_key--;
        memset(&priv->wep_keys[keyconf->keyidx], 0, sizeof(priv->wep_keys[0]));
        ret = iwl_send_static_wepkey_cmd(priv, 1);
+       IWL_DEBUG_WEP("Remove default WEP key: idx=%d ret=%d\n",
+                     keyconf->keyidx, ret);
        spin_unlock_irqrestore(&priv->sta_lock, flags);
 
        return ret;
@@ -500,6 +570,12 @@ int iwl_set_default_wep_key(struct iwl_priv *priv,
        int ret;
        unsigned long flags;
 
+       if (keyconf->keylen != WEP_KEY_LEN_128 &&
+           keyconf->keylen != WEP_KEY_LEN_64) {
+               IWL_DEBUG_WEP("Bad WEP key length %d\n", keyconf->keylen);
+               return -EINVAL;
+       }
+
        keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV;
        keyconf->hw_key_idx = HW_KEY_DEFAULT;
        priv->stations[IWL_AP_ID].keyinfo.alg = ALG_WEP;
@@ -516,6 +592,8 @@ int iwl_set_default_wep_key(struct iwl_priv *priv,
                                                        keyconf->keylen);
 
        ret = iwl_send_static_wepkey_cmd(priv, 0);
+       IWL_DEBUG_WEP("Set default WEP key: len=%d idx=%d ret=%d\n",
+               keyconf->keylen, keyconf->keyidx, ret);
        spin_unlock_irqrestore(&priv->sta_lock, flags);
 
        return ret;
@@ -561,6 +639,9 @@ static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
        /* else, we are overriding an existing key => no need to allocated room
         * in uCode. */
 
+       WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+               "no space for new kew");
+
        priv->stations[sta_id].sta.key.key_flags = key_flags;
        priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
        priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
@@ -578,6 +659,7 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 {
        unsigned long flags;
        __le16 key_flags = 0;
+       int ret;
 
        key_flags |= (STA_KEY_FLG_CCMP | STA_KEY_FLG_MAP_KEY_MSK);
        key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
@@ -605,14 +687,18 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
        /* else, we are overriding an existing key => no need to allocated room
         * in uCode. */
 
+       WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+               "no space for new kew");
+
        priv->stations[sta_id].sta.key.key_flags = key_flags;
        priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
        priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
+       ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+
        spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-       IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n");
-       return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+       return ret;
 }
 
 static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
@@ -637,6 +723,9 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
        /* else, we are overriding an existing key => no need to allocated room
         * in uCode. */
 
+       WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+               "no space for new kew");
+
        /* This copy is acutally not needed: we get the key with each TX */
        memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
 
@@ -647,6 +736,55 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
        return ret;
 }
 
+void iwl_update_tkip_key(struct iwl_priv *priv,
+                       struct ieee80211_key_conf *keyconf,
+                       const u8 *addr, u32 iv32, u16 *phase1key)
+{
+       u8 sta_id = IWL_INVALID_STATION;
+       unsigned long flags;
+       __le16 key_flags = 0;
+       int i;
+       DECLARE_MAC_BUF(mac);
+
+       sta_id = iwl_find_station(priv, addr);
+       if (sta_id == IWL_INVALID_STATION) {
+               IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
+                                  addr);
+               return;
+       }
+
+       if (iwl_scan_cancel(priv)) {
+               /* cancel scan failed, just live w/ bad key and rely
+                  briefly on SW decryption */
+               return;
+       }
+
+       key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
+       key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
+       key_flags &= ~STA_KEY_FLG_INVALID;
+
+       if (sta_id == priv->hw_params.bcast_sta_id)
+               key_flags |= STA_KEY_MULTICAST_MSK;
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+
+       priv->stations[sta_id].sta.key.key_flags = key_flags;
+       priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32;
+
+       for (i = 0; i < 5; i++)
+               priv->stations[sta_id].sta.key.tkip_rx_ttak[i] =
+                       cpu_to_le16(phase1key[i]);
+
+       priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
+       priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+
+       iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
+
+}
+EXPORT_SYMBOL(iwl_update_tkip_key);
+
 int iwl_remove_dynamic_key(struct iwl_priv *priv,
                                struct ieee80211_key_conf *keyconf,
                                u8 sta_id)
@@ -662,6 +800,9 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
        key_flags = le16_to_cpu(priv->stations[sta_id].sta.key.key_flags);
        keyidx = (key_flags >> STA_KEY_FLG_KEYID_POS) & 0x3;
 
+       IWL_DEBUG_WEP("Remove dynamic key: idx=%d sta=%d\n",
+                     keyconf->keyidx, sta_id);
+
        if (keyconf->keyidx != keyidx) {
                /* We need to remove a key with index different that the one
                 * in the uCode. This means that the key we need to remove has
@@ -672,6 +813,13 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
                return 0;
        }
 
+       if (priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) {
+               IWL_WARNING("Removing wrong key %d 0x%x\n",
+                           keyconf->keyidx, key_flags);
+               spin_unlock_irqrestore(&priv->sta_lock, flags);
+               return 0;
+       }
+
        if (!test_and_clear_bit(priv->stations[sta_id].sta.key.key_offset,
                &priv->ucode_key_table))
                IWL_ERROR("index %d not used in uCode key table.\n",
@@ -686,7 +834,6 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
        priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
        priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
-       IWL_DEBUG_INFO("hwcrypto: clear ucode station key info\n");
        ret =  iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
        spin_unlock_irqrestore(&priv->sta_lock, flags);
        return ret;
@@ -716,6 +863,10 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
                ret = -EINVAL;
        }
 
+       IWL_DEBUG_WEP("Set dynamic key: alg= %d len=%d idx=%d sta=%d ret=%d\n",
+                     keyconf->alg, keyconf->keylen, keyconf->keyidx,
+                     sta_id, ret);
+
        return ret;
 }
 EXPORT_SYMBOL(iwl_set_dynamic_key);
@@ -726,7 +877,7 @@ static void iwl_dump_lq_cmd(struct iwl_priv *priv,
 {
        int i;
        IWL_DEBUG_RATE("lq station id 0x%x\n", lq->sta_id);
-       IWL_DEBUG_RATE("lq dta 0x%X 0x%X\n",
+       IWL_DEBUG_RATE("lq ant 0x%X 0x%X\n",
                       lq->general_params.single_stream_ant_msk,
                       lq->general_params.dual_stream_ant_msk);
 
@@ -752,16 +903,15 @@ int iwl_send_lq_cmd(struct iwl_priv *priv,
        };
 
        if ((lq->sta_id == 0xFF) &&
-           (priv->iw_mode == IEEE80211_IF_TYPE_IBSS))
+           (priv->iw_mode == NL80211_IFTYPE_ADHOC))
                return -EINVAL;
 
        if (lq->sta_id == 0xFF)
                lq->sta_id = IWL_AP_ID;
 
-       iwl_dump_lq_cmd(priv,lq);
+       iwl_dump_lq_cmd(priv, lq);
 
-       if (iwl_is_associated(priv) && priv->assoc_station_added &&
-           priv->lq_mngr.lq_ready)
+       if (iwl_is_associated(priv) && priv->assoc_station_added)
                return  iwl_send_cmd(priv, &cmd);
 
        return 0;
@@ -775,7 +925,7 @@ EXPORT_SYMBOL(iwl_send_lq_cmd);
  * for automatic fallback during transmission.
  *
  * NOTE: This sets up a default set of values.  These will be replaced later
- *       if the driver's iwl-4965-rs rate scaling algorithm is used, instead of
+ *       if the driver's iwl-agn-rs rate scaling algorithm is used, instead of
  *       rc80211_simple.
  *
  * NOTE: Run REPLY_ADD_STA command to set up station table entry, before
@@ -788,7 +938,7 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap)
        struct iwl_link_quality_cmd link_cmd = {
                .reserved1 = 0,
        };
-       u16 rate_flags;
+       u32 rate_flags;
 
        /* Set up the rate scaling to start at selected rate, fall back
         * all the way down to 1M in IEEE order, and then spin on 1M */
@@ -804,15 +954,16 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap)
                if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE)
                        rate_flags |= RATE_MCS_CCK_MSK;
 
-               /* Use Tx antenna B only */
-               rate_flags |= RATE_MCS_ANT_B_MSK; /*FIXME:RS*/
+               rate_flags |= first_antenna(priv->hw_params.valid_tx_ant) <<
+                               RATE_MCS_ANT_POS;
 
                link_cmd.rs_table[i].rate_n_flags =
-                       iwl4965_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
-               r = iwl4965_get_prev_ieee_rate(r);
+                       iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
+               r = iwl_get_prev_ieee_rate(r);
        }
 
-       link_cmd.general_params.single_stream_ant_msk = 2;
+       link_cmd.general_params.single_stream_ant_msk =
+                               first_antenna(priv->hw_params.valid_tx_ant);
        link_cmd.general_params.dual_stream_ant_msk = 3;
        link_cmd.agg_params.agg_dis_start_th = 3;
        link_cmd.agg_params.agg_time_limit = cpu_to_le16(4000);
@@ -823,28 +974,40 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap)
        iwl_send_cmd_pdu_async(priv, REPLY_TX_LINK_QUALITY_CMD,
                               sizeof(link_cmd), &link_cmd, NULL);
 }
+
 /**
  * iwl_rxon_add_station - add station into station table.
  *
  * there is only one AP station with id= IWL_AP_ID
- * NOTE: mutex must be held before calling this fnction
+ * NOTE: mutex must be held before calling this function
  */
 int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
 {
+       struct ieee80211_sta *sta;
+       struct ieee80211_sta_ht_cap ht_config;
+       struct ieee80211_sta_ht_cap *cur_ht_config = NULL;
        u8 sta_id;
 
        /* Add station to device's station table */
-       struct ieee80211_conf *conf = &priv->hw->conf;
-       struct ieee80211_ht_info *cur_ht_config = &conf->ht_conf;
-
-       if ((is_ap) &&
-           (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) &&
-           (priv->iw_mode == IEEE80211_IF_TYPE_STA))
-               sta_id = iwl_add_station_flags(priv, addr, is_ap,
-                                                  0, cur_ht_config);
-       else
-               sta_id = iwl_add_station_flags(priv, addr, is_ap,
-                                                  0, NULL);
+
+       /*
+        * XXX: This check is definitely not correct, if we're an AP
+        *      it'll always be false which is not what we want, but
+        *      it doesn't look like iwlagn is prepared to be an HT
+        *      AP anyway.
+        */
+       if (priv->current_ht_config.is_ht) {
+               rcu_read_lock();
+               sta = ieee80211_find_sta(priv->hw, addr);
+               if (sta) {
+                       memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config));
+                       cur_ht_config = &ht_config;
+               }
+               rcu_read_unlock();
+       }
+
+       sta_id = iwl_add_station_flags(priv, addr, is_ap,
+                                      0, cur_ht_config);
 
        /* Set up default rate scaling table in device's station table */
        iwl_sta_init_lq(priv, addr, is_ap);
@@ -853,7 +1016,6 @@ int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
 }
 EXPORT_SYMBOL(iwl_rxon_add_station);
 
-
 /**
  * iwl_get_sta_id - Find station's index within station table
  *
@@ -863,7 +1025,6 @@ int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
 {
        int sta_id;
        u16 fc = le16_to_cpu(hdr->frame_control);
-       DECLARE_MAC_BUF(mac);
 
        /* If this frame is broadcast or management, use broadcast station id */
        if (((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) ||
@@ -874,11 +1035,11 @@ int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
 
        /* If we are a client station in a BSS network, use the special
         * AP station entry (that's the only station we communicate with) */
-       case IEEE80211_IF_TYPE_STA:
+       case NL80211_IFTYPE_STATION:
                return IWL_AP_ID;
 
        /* If we are an AP, then find the station, or use BCAST */
-       case IEEE80211_IF_TYPE_AP:
+       case NL80211_IFTYPE_AP:
                sta_id = iwl_find_station(priv, hdr->addr1);
                if (sta_id != IWL_INVALID_STATION)
                        return sta_id;
@@ -886,7 +1047,7 @@ int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
 
        /* If this frame is going out to an IBSS network, find the station,
         * or create a new station table entry */
-       case IEEE80211_IF_TYPE_IBSS:
+       case NL80211_IFTYPE_ADHOC:
                sta_id = iwl_find_station(priv, hdr->addr1);
                if (sta_id != IWL_INVALID_STATION)
                        return sta_id;
@@ -898,24 +1059,28 @@ int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
                if (sta_id != IWL_INVALID_STATION)
                        return sta_id;
 
-               IWL_DEBUG_DROP("Station %s not in station map. "
+               IWL_DEBUG_DROP("Station %pM not in station map. "
                               "Defaulting to broadcast...\n",
-                              print_mac(mac, hdr->addr1));
+                              hdr->addr1);
                iwl_print_hex_dump(priv, IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr));
                return priv->hw_params.bcast_sta_id;
 
+       /* If we are in monitor mode, use BCAST. This is required for
+        * packet injection. */
+       case NL80211_IFTYPE_MONITOR:
+               return priv->hw_params.bcast_sta_id;
+
        default:
-               IWL_WARNING("Unknown mode of operation: %d", priv->iw_mode);
+               IWL_WARNING("Unknown mode of operation: %d\n", priv->iw_mode);
                return priv->hw_params.bcast_sta_id;
        }
 }
 EXPORT_SYMBOL(iwl_get_sta_id);
 
-
 /**
- * iwl_sta_modify_enable_tid_tx - Enable Tx for this TID in station table
+ * iwl_sta_tx_modify_enable_tid - Enable Tx for this TID in station table
  */
-void iwl_sta_modify_enable_tid_tx(struct iwl_priv *priv, int sta_id, int tid)
+void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid)
 {
        unsigned long flags;
 
@@ -928,6 +1093,81 @@ void iwl_sta_modify_enable_tid_tx(struct iwl_priv *priv, int sta_id, int tid)
 
        iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
-EXPORT_SYMBOL(iwl_sta_modify_enable_tid_tx);
+EXPORT_SYMBOL(iwl_sta_tx_modify_enable_tid);
+
+int iwl_sta_rx_agg_start(struct iwl_priv *priv,
+                        const u8 *addr, int tid, u16 ssn)
+{
+       unsigned long flags;
+       int sta_id;
+
+       sta_id = iwl_find_station(priv, addr);
+       if (sta_id == IWL_INVALID_STATION)
+               return -ENXIO;
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+       priv->stations[sta_id].sta.station_flags_msk = 0;
+       priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK;
+       priv->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid;
+       priv->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn);
+       priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
 
+       return iwl_send_add_sta(priv, &priv->stations[sta_id].sta,
+                                       CMD_ASYNC);
+}
+EXPORT_SYMBOL(iwl_sta_rx_agg_start);
+
+int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid)
+{
+       unsigned long flags;
+       int sta_id;
+
+       sta_id = iwl_find_station(priv, addr);
+       if (sta_id == IWL_INVALID_STATION)
+               return -ENXIO;
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+       priv->stations[sta_id].sta.station_flags_msk = 0;
+       priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK;
+       priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid;
+       priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
+
+       return iwl_send_add_sta(priv, &priv->stations[sta_id].sta,
+                                       CMD_ASYNC);
+}
+EXPORT_SYMBOL(iwl_sta_rx_agg_stop);
+
+static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&priv->sta_lock, flags);
+       priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
+       priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
+       priv->stations[sta_id].sta.sta.modify_mask = 0;
+       priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+       spin_unlock_irqrestore(&priv->sta_lock, flags);
+
+       iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+}
+
+void iwl_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr)
+{
+       /* FIXME: need locking over ps_status ??? */
+       u8 sta_id = iwl_find_station(priv, addr);
+
+       if (sta_id != IWL_INVALID_STATION) {
+               u8 sta_awake = priv->stations[sta_id].
+                               ps_status == STA_PS_STATUS_WAKE;
+
+               if (sta_awake && ps_bit)
+                       priv->stations[sta_id].ps_status = STA_PS_STATUS_SLEEP;
+               else if (!sta_awake && !ps_bit) {
+                       iwl_sta_modify_ps_wake(priv, sta_id);
+                       priv->stations[sta_id].ps_status = STA_PS_STATUS_WAKE;
+               }
+       }
+}