wl12xx: move default_key into wlvif

move default_key into the per-interface data, rather than
being global.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/main.c

@@ -2704,7 +2704,7 @@ static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 	}
 
 	if (wep_key_added) {
-		ret = wl12xx_cmd_set_default_wep_key(wl, wl->default_key,
+		ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key,
 						     wlvif->ap.bcast_hlid);
 		if (ret < 0)
 			goto out;
@@ -2801,8 +2801,8 @@ static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 		/* the default WEP key needs to be configured at least once */
 		if (key_type == KEY_WEP) {
 			ret = wl12xx_cmd_set_default_wep_key(wl,
-							     wl->default_key,
-							     wlvif->sta.hlid);
+							wlvif->default_key,
+							wlvif->sta.hlid);
 			if (ret < 0)
 				return ret;
 		}
@@ -4891,7 +4891,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	}
 
 	wl->channel = WL1271_DEFAULT_CHANNEL;
-	wl->default_key = 0;
 	wl->rx_counter = 0;
 	wl->psm_entry_retry = 0;
 	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;

drivers/net/wireless/wl12xx/tx.c

@@ -424,11 +424,11 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb,
 		is_wep = (cipher == WLAN_CIPHER_SUITE_WEP40) ||
 			 (cipher == WLAN_CIPHER_SUITE_WEP104);
 
-		if (unlikely(is_wep && wl->default_key != idx)) {
+		if (unlikely(is_wep && wlvif->default_key != idx)) {
 			ret = wl1271_set_default_wep_key(wl, wlvif, idx);
 			if (ret < 0)
 				return ret;
-			wl->default_key = idx;
+			wlvif->default_key = idx;
 		}
 	}
 	hlid = wl1271_tx_get_hlid(wl, vif, skb);

drivers/net/wireless/wl12xx/wl12xx.h

@@ -503,9 +503,6 @@ struct wl1271 {
 	/* The current band */
 	enum ieee80211_band band;
 
-	/* Default key (for WEP) */
-	u32 default_key;
-
 	/* Rx Streaming */
 	struct work_struct rx_streaming_enable_work;
 	struct work_struct rx_streaming_disable_work;
@@ -645,6 +642,9 @@ struct wl12xx_vif {
 	/* Beaconing interval (needed for ad-hoc) */
 	u32 beacon_int;
 
+	/* Default key (for WEP) */
+	u32 default_key;
+
 	/* Our association ID */
 	u16 aid;