iwlwifi: consolidate station management code
Tomas Winkler [Wed, 12 Nov 2008 21:14:05 +0000 (13:14 -0800)]
This patch moves code around and group most of the station
management code into iwl-sta.c

No functional changes (yet)

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-4965.c
drivers/net/wireless/iwlwifi/iwl-5000.c
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl-core.h
drivers/net/wireless/iwlwifi/iwl-dev.h
drivers/net/wireless/iwlwifi/iwl-rx.c
drivers/net/wireless/iwlwifi/iwl-sta.c
drivers/net/wireless/iwlwifi/iwl-sta.h

index c43cf2f..17f4098 100644 (file)
@@ -1909,7 +1909,7 @@ static int iwl4965_txq_agg_enable(struct iwl_priv *priv, int txq_id,
        ra_tid = BUILD_RAxTID(sta_id, tid);
 
        /* Modify device's station table to Tx this TID */
-       iwl_sta_modify_enable_tid_tx(priv, sta_id, tid);
+       iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
 
        spin_lock_irqsave(&priv->lock, flags);
        ret = iwl_grab_nic_access(priv);
index ee3613d..b6d7e91 100644 (file)
@@ -969,7 +969,7 @@ static int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
        ra_tid = BUILD_RAxTID(sta_id, tid);
 
        /* Modify device's station table to Tx this TID */
-       iwl_sta_modify_enable_tid_tx(priv, sta_id, tid);
+       iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
 
        spin_lock_irqsave(&priv->lock, flags);
        ret = iwl_grab_nic_access(priv);
index 8fa4f7a..03acad2 100644 (file)
@@ -3058,49 +3058,11 @@ static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
                        struct ieee80211_key_conf *keyconf, const u8 *addr,
                        u32 iv32, u16 *phase1key)
 {
-       struct iwl_priv *priv = hw->priv;
-       u8 sta_id = IWL_INVALID_STATION;
-       unsigned long flags;
-       __le16 key_flags = 0;
-       int i;
 
+       struct iwl_priv *priv = hw->priv;
        IWL_DEBUG_MAC80211("enter\n");
 
-       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);
+       iwl_update_tkip_key(priv, keyconf, addr, iv32, phase1key);
 
        IWL_DEBUG_MAC80211("leave\n");
 }
@@ -3239,10 +3201,10 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
        switch (action) {
        case IEEE80211_AMPDU_RX_START:
                IWL_DEBUG_HT("start Rx\n");
-               return iwl_rx_agg_start(priv, sta->addr, tid, *ssn);
+               return iwl_sta_rx_agg_start(priv, sta->addr, tid, *ssn);
        case IEEE80211_AMPDU_RX_STOP:
                IWL_DEBUG_HT("stop Rx\n");
-               return iwl_rx_agg_stop(priv, sta->addr, tid);
+               return iwl_sta_rx_agg_stop(priv, sta->addr, tid);
        case IEEE80211_AMPDU_TX_START:
                IWL_DEBUG_HT("start Tx\n");
                return iwl_tx_agg_start(priv, sta->addr, tid, ssn);
@@ -3256,6 +3218,7 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
        }
        return 0;
 }
+
 static int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
                                struct ieee80211_tx_queue_stats *stats)
 {
index ff966b8..5d4e2e2 100644 (file)
@@ -206,8 +206,6 @@ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
 void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
 void iwl_rx_replenish(struct iwl_priv *priv);
 int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
-int iwl_rx_agg_start(struct iwl_priv *priv, const u8 *addr, int tid, u16 ssn);
-int iwl_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid);
 int iwl_rx_queue_restock(struct iwl_priv *priv);
 int iwl_rx_queue_space(const struct iwl_rx_queue *q);
 void iwl_rx_allocate(struct iwl_priv *priv);
index bd3df55..0e97d6a 100644 (file)
@@ -574,11 +574,6 @@ struct iwl_hw_params {
  * iwl4965_mac_     <-- mac80211 callback
  *
  ****************************************************************************/
-struct iwl_addsta_cmd;
-extern int iwl_send_add_sta(struct iwl_priv *priv,
-                           struct iwl_addsta_cmd *sta, u8 flags);
-extern u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr,
-                       int is_ap, u8 flags, struct ieee80211_sta_ht_cap *ht_info);
 extern void iwl_update_chain_flags(struct iwl_priv *priv);
 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
 extern const u8 iwl_bcast_addr[ETH_ALEN];
index 876afd4..8d2b73e 100644 (file)
@@ -499,49 +499,6 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
 }
 EXPORT_SYMBOL(iwl_rx_missed_beacon_notif);
 
-int iwl_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_rx_agg_start);
-
-int iwl_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_rx_agg_stop);
-
 
 /* Calculate noise level, based on measurements during network silence just
  *   before arriving beacon.  This measurement can be done only if we know
@@ -1017,38 +974,6 @@ static inline int iwl_calc_rssi(struct iwl_priv *priv,
 }
 
 
-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);
-}
-
-static 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;
-               }
-       }
-}
-
 /* This is necessary only for a number of statistics, see the caller. */
 static int iwl_is_network_packet(struct iwl_priv *priv,
                struct ieee80211_hdr *header)
index 0c5f122..109136a 100644 (file)
@@ -132,7 +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;
@@ -180,7 +180,6 @@ 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_sta_ht_cap *sta_ht_inf)
@@ -703,6 +702,55 @@ 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)
@@ -989,9 +1037,9 @@ int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
 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;
 
@@ -1004,5 +1052,81 @@ 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;
+               }
+       }
+}
 
index 221b93e..61eede5 100644 (file)
@@ -47,9 +47,20 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
                        struct ieee80211_key_conf *key, u8 sta_id);
 int iwl_remove_dynamic_key(struct iwl_priv *priv,
                           struct ieee80211_key_conf *key, u8 sta_id);
+void iwl_update_tkip_key(struct iwl_priv *priv,
+                       struct ieee80211_key_conf *keyconf,
+                       const u8 *addr, u32 iv32, u16 *phase1key);
+
 int iwl_rxon_add_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 iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr);
-void iwl_sta_modify_enable_tid_tx(struct iwl_priv *priv, int sta_id, int tid);
 int iwl_get_ra_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr);
+u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr,
+                       int is_ap, u8 flags,
+                       struct ieee80211_sta_ht_cap *ht_info);
+void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
+int iwl_sta_rx_agg_start(struct iwl_priv *priv,
+                        const u8 *addr, int tid, u16 ssn);
+int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid);
+void iwl_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr);
 #endif /* __iwl_sta_h__ */