iwlwifi: move find station to iwl-sta.c

This patch move iwl_find_station into iwl-sta.c file

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>

1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index e4fdfaa2b9b2..fa463ce6399b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -28,6 +28,7 @@
  *****************************************************************************/
 
 #include <net/mac80211.h>
+#include <linux/etherdevice.h>
 
 #include "iwl-eeprom.h"
 #include "iwl-4965.h"
@@ -38,6 +39,40 @@
 #include "iwl-4965.h"
 #include "iwl-sta.h"
 
+u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
+{
+        int i;
+        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))
+                start = IWL_STA_ID;
+
+        if (is_broadcast_ether_addr(addr))
+                return priv->hw_params.bcast_sta_id;
+
+        spin_lock_irqsave(&priv->sta_lock, flags);
+        for (i = start; i < priv->hw_params.max_stations; i++)
+                if (priv->stations[i].used &&
+                    (!compare_ether_addr(priv->stations[i].sta.sta.addr,
+                                         addr))) {
+                        ret = i;
+                        goto out;
+                }
+
+        IWL_DEBUG_ASSOC_LIMIT("can not find STA %s total %d\n",
+                              print_mac(mac, addr), priv->num_stations);
+
+ out:
+        spin_unlock_irqrestore(&priv->sta_lock, flags);
+        return ret;
+}
+EXPORT_SYMBOL(iwl_find_station);
+
+
 int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 {
         int i;