wl12xx: add vifs list

keep a list of all the vifs associated with our hw.
it will be later used in order to iterate through vifs.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/main.c

@@ -1957,6 +1957,7 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif)
 	wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT;
 
 	INIT_DELAYED_WORK(&wlvif->pspoll_work, wl1271_pspoll_work);
+	INIT_LIST_HEAD(&wlvif->list);
 
 	return 0;
 }
@@ -2114,6 +2115,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 		goto out;
 
 	wl->vif = vif;
+	list_add(&wlvif->list, &wl->wlvif_list);
 	set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags);
 out:
 	mutex_unlock(&wl->mutex);
@@ -2181,6 +2183,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
 
 	wl12xx_tx_reset_wlvif(wl, wlvif);
 	wl1271_free_ap_keys(wl, wlvif);
+	list_del(&wlvif->list);
 	memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map));
 	wlvif->role_id = WL12XX_INVALID_ROLE_ID;
 	wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID;
@@ -4869,6 +4872,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	memset(wl, 0, sizeof(*wl));
 
 	INIT_LIST_HEAD(&wl->list);
+	INIT_LIST_HEAD(&wl->wlvif_list);
 
 	wl->hw = hw;
 	wl->plat_dev = plat_dev;

drivers/net/wireless/wl12xx/wl12xx.h

@@ -394,6 +394,8 @@ struct wl1271 {
 	unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
 	unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
 
+	struct list_head wlvif_list;
+
 	struct wl1271_acx_mem_map *target_mem_map;
 
 	/* Accounting for allocated / available TX blocks on HW */
@@ -564,6 +566,7 @@ struct wl1271_station {
 
 struct wl12xx_vif {
 	struct wl1271 *wl;
+	struct list_head list;
 	u8 bss_type;
 	u8 p2p; /* we are using p2p role */
 	u8 role_id;
@@ -653,6 +656,9 @@ struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
 	return container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
 }
 
+#define wl12xx_for_each_wlvif(wl, wlvif) \
+		list_for_each_entry(wlvif, &wl->wlvif_list, list)
+
 int wl1271_plt_start(struct wl1271 *wl);
 int wl1271_plt_stop(struct wl1271 *wl);
 int wl1271_recalc_rx_streaming(struct wl1271 *wl);