iwlwifi: unify station management

This patch unifies 3945 and AGN station management
It also removes useless struct iwl_station_mgmt ops
and cleanups a bit the interface

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Tested-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 23a58b0..2cdd191 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2502,15 +2502,13 @@
 
 	if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
 	    !lq_sta->ibss_sta_added) {
-		u8 sta_id = priv->cfg->ops->smgmt->find_station(priv,
-						   hdr->addr1);
+		u8 sta_id = iwl_find_station(priv, hdr->addr1);
 
 		if (sta_id == IWL_INVALID_STATION) {
 			IWL_DEBUG_RATE(priv, "LQ: ADD station %pM\n",
 				       hdr->addr1);
-			sta_id = priv->cfg->ops->smgmt->add_station(priv,
-						hdr->addr1, 0,
-						CMD_ASYNC, NULL);
+			sta_id = iwl_add_station(priv, hdr->addr1,
+						false, CMD_ASYNC, NULL);
 		}
 		if ((sta_id != IWL_INVALID_STATION)) {
 			lq_sta->lq.sta_id = sta_id;
@@ -2598,7 +2596,7 @@
 
 	lq_sta->ibss_sta_added = 0;
 	if (priv->iw_mode == NL80211_IFTYPE_AP) {
-		u8 sta_id = priv->cfg->ops->smgmt->find_station(priv,
+		u8 sta_id = iwl_find_station(priv,
 								sta->addr);
 
 		/* for IBSS the call are from tasklet */
@@ -2606,9 +2604,8 @@
 
 		if (sta_id == IWL_INVALID_STATION) {
 			IWL_DEBUG_RATE(priv, "LQ: ADD station %pM\n", sta->addr);
-			sta_id = priv->cfg->ops->smgmt->add_station(priv,
-							sta->addr, 0,
-							CMD_ASYNC, NULL);
+			sta_id = iwl_add_station(priv, sta->addr, false,
+						CMD_ASYNC, NULL);
 		}
 		if ((sta_id != IWL_INVALID_STATION)) {
 			lq_sta->lq.sta_id = sta_id;