wifi: rtw88: simplify vif iterators

Since all iterators called by 'rtw_iterate_vifs()' never uses
'mac' argument, it may be omitted, and 'struct rtw_vifs_entry'
may be simplified accordingly.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230628072327.167196-4-dmantipov@yandex.ru

drivers/net/wireless/realtek/rtw88/fw.c

@@ -140,7 +140,7 @@ struct rtw_beacon_filter_iter_data {
 	u8 *payload;
 };
 
-static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac,
+static void rtw_fw_bcn_filter_notify_vif_iter(void *data,
 					      struct ieee80211_vif *vif)
 {
 	struct rtw_beacon_filter_iter_data *iter_data = data;

drivers/net/wireless/realtek/rtw88/main.c

@@ -185,8 +185,7 @@ static void rtw_dynamic_csi_rate(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
 		bf_info->cur_csi_rpt_rate = new_csi_rate_idx;
 }
 
-static void rtw_vif_watch_dog_iter(void *data, u8 *mac,
-				   struct ieee80211_vif *vif)
+static void rtw_vif_watch_dog_iter(void *data, struct ieee80211_vif *vif)
 {
 	struct rtw_watch_dog_iter_data *iter_data = data;
 	struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
@@ -2330,7 +2329,7 @@ struct rtw_iter_port_switch_data {
 	struct rtw_vif *rtwvif_ap;
 };
 
-static void rtw_port_switch_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
+static void rtw_port_switch_iter(void *data, struct ieee80211_vif *vif)
 {
 	struct rtw_iter_port_switch_data *iter_data = data;
 	struct rtw_dev *rtwdev = iter_data->rtwdev;
@@ -2382,8 +2381,7 @@ void rtw_core_port_switch(struct rtw_dev *rtwdev, struct ieee80211_vif *vif)
 	rtw_iterate_vifs(rtwdev, rtw_port_switch_iter, &iter_data);
 }
 
-static void rtw_check_sta_active_iter(void *data, u8 *mac,
-				      struct ieee80211_vif *vif)
+static void rtw_check_sta_active_iter(void *data, struct ieee80211_vif *vif)
 {
 	struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
 	bool *active = data;

drivers/net/wireless/realtek/rtw88/ps.c

@@ -37,8 +37,7 @@ int rtw_enter_ips(struct rtw_dev *rtwdev)
 	return 0;
 }
 
-static void rtw_restore_port_cfg_iter(void *data, u8 *mac,
-				      struct ieee80211_vif *vif)
+static void rtw_restore_port_cfg_iter(void *data, struct ieee80211_vif *vif)
 {
 	struct rtw_dev *rtwdev = data;
 	struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
@@ -320,8 +319,7 @@ static void __rtw_vif_recalc_lps(struct rtw_vif_recalc_lps_iter_data *data,
 	data->found_vif = vif;
 }
 
-static void rtw_vif_recalc_lps_iter(void *data, u8 *mac,
-				    struct ieee80211_vif *vif)
+static void rtw_vif_recalc_lps_iter(void *data, struct ieee80211_vif *vif)
 {
 	__rtw_vif_recalc_lps(data, vif);
 }

drivers/net/wireless/realtek/rtw88/util.c

@@ -159,7 +159,6 @@ void rtw_iterate_stas(struct rtw_dev *rtwdev,
 struct rtw_vifs_entry {
 	struct list_head list;
 	struct ieee80211_vif *vif;
-	u8 mac[ETH_ALEN];
 };
 
 struct rtw_iter_vifs_data {
@@ -177,13 +176,11 @@ static void rtw_collect_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
 		return;
 
 	vifs_entry->vif = vif;
-	ether_addr_copy(vifs_entry->mac, mac);
 	list_add_tail(&vifs_entry->list, &iter_stas->list);
 }
 
 void rtw_iterate_vifs(struct rtw_dev *rtwdev,
-		      void (*iterator)(void *data, u8 *mac,
-				       struct ieee80211_vif *vif),
+		      void (*iterator)(void *data, struct ieee80211_vif *vif),
 		      void *data)
 {
 	struct rtw_iter_vifs_data iter_data;
@@ -204,7 +201,7 @@ void rtw_iterate_vifs(struct rtw_dev *rtwdev,
 	list_for_each_entry_safe(vif_entry, tmp, &iter_data.list,
 				 list) {
 		list_del_init(&vif_entry->list);
-		iterator(data, vif_entry->mac, vif_entry->vif);
+		iterator(data, vif_entry->vif);
 		kfree(vif_entry);
 	}
 }

drivers/net/wireless/realtek/rtw88/util.h

@@ -18,8 +18,7 @@ struct rtw_dev;
 	ieee80211_iter_keys_rcu((rtwdev)->hw, vif, iterator, data)
 
 void rtw_iterate_vifs(struct rtw_dev *rtwdev,
-		      void (*iterator)(void *data, u8 *mac,
-				       struct ieee80211_vif *vif),
+		      void (*iterator)(void *data, struct ieee80211_vif *vif),
 		      void *data);
 void rtw_iterate_stas(struct rtw_dev *rtwdev,
 		      void (*iterator)(void *data,