wifi: rtw88: refine reserved page flow for AP mode

Only gather reserved pages from AP interface after it has started. Or
else ieee80211_beacon_get_*() returns NULL and causes other VIFs'
reserved pages fail to download. Update location of current reserved page
after beacon renews so offsets changed by beacon can be recognized.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121300.17900-1-pkshih@realtek.com

Author: Po-Hao Huang

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

@@ -1393,6 +1393,10 @@ static void rtw_build_rsvd_page_iter(void *data, u8 *mac,
 	struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
 	struct rtw_rsvd_page *rsvd_pkt;
 
+	/* AP not yet started, don't gather its rsvd pages */
+	if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active)
+		return;
+
 	list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) {
 		if (rsvd_pkt->type == RSVD_BEACON)
 			list_add(&rsvd_pkt->build_list,
@@ -1614,6 +1618,7 @@ void rtw_fw_update_beacon_work(struct work_struct *work)
 
 	mutex_lock(&rtwdev->mutex);
 	rtw_fw_download_rsvd_page(rtwdev);
+	rtw_send_rsvd_page_h2c(rtwdev);
 	mutex_unlock(&rtwdev->mutex);
 }
 

drivers/net/wireless/realtek/rtw88/mac80211.c

@@ -417,6 +417,7 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_BEACON) {
 		rtw_set_dtim_period(rtwdev, conf->dtim_period);
 		rtw_fw_download_rsvd_page(rtwdev);
+		rtw_send_rsvd_page_h2c(rtwdev);
 	}
 
 	if (changed & BSS_CHANGED_BEACON_ENABLED) {