diff mbox series

[4/5] rtw88: fix store OP channel info timing when HW scan

Message ID 20220610065102.17580-5-pkshih@realtek.com
State Superseded
Headers show
Series rtw88: use const pointer of chip_info and fix hw_scan misbehavior | expand

Commit Message

Ping-Ke Shih June 10, 2022, 6:51 a.m. UTC 
From: Chih-Kang Chang <gary.chang@realtek.com>

The original timing that store OP channel info is after associated.
However, HW scan might happen before associated without backing to
OP channel, that will cause authentication or association fail.
Therefore, we modify the timing of storing OP channel info.

Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/fw.c       | 14 ++++++++++++--
 drivers/net/wireless/realtek/rtw88/fw.h       |  1 +
 drivers/net/wireless/realtek/rtw88/mac80211.c |  5 ++++-
 3 files changed, 17 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
index bb2e743d2ab22..85a8491e44066 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -2077,7 +2077,7 @@  void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
 	rtw_core_scan_complete(rtwdev, vif, true);
 
 	rtwvif = (struct rtw_vif *)vif->drv_priv;
-	if (rtwvif->net_type == RTW_NET_MGD_LINKED) {
+	if (chan) {
 		hal->current_channel = chan;
 		hal->current_band_type = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
 	}
@@ -2121,6 +2121,7 @@  int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
 			bool enable)
 {
 	struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL;
+	struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
 	struct rtw_ch_switch_option cs_option = {0};
 	struct rtw_chan_list chan_list = {0};
 	int ret = 0;
@@ -2129,7 +2130,7 @@  int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
 		return -EINVAL;
 
 	cs_option.switch_en = enable;
-	cs_option.back_op_en = rtwvif->net_type == RTW_NET_MGD_LINKED;
+	cs_option.back_op_en = scan_info->op_chan != 0;
 	if (enable) {
 		ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list);
 		if (ret)
@@ -2178,6 +2179,15 @@  void rtw_store_op_chan(struct rtw_dev *rtwdev)
 	scan_info->op_pri_ch_idx = hal->current_primary_channel_index;
 }
 
+void rtw_clear_op_chan(struct rtw_dev *rtwdev)
+{
+	struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
+
+	scan_info->op_chan = 0;
+	scan_info->op_bw = 0;
+	scan_info->op_pri_ch_idx = 0;
+}
+
 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel)
 {
 	struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info;
diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h
index 5bb69d89a146b..d73894b226289 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.h
+++ b/drivers/net/wireless/realtek/rtw88/fw.h
@@ -847,6 +847,7 @@  int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size,
 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start);
 void rtw_fw_adaptivity(struct rtw_dev *rtwdev);
 void rtw_store_op_chan(struct rtw_dev *rtwdev);
+void rtw_clear_op_chan(struct rtw_dev *rtwdev);
 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
 		       struct ieee80211_scan_request *req);
 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
index 2e322f75fd162..18e0448e97247 100644
--- a/drivers/net/wireless/realtek/rtw88/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -377,7 +377,6 @@  static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
 			rtw_coex_media_status_notify(rtwdev, conf->assoc);
 			if (rtw_bf_support)
 				rtw_bf_assoc(rtwdev, vif, conf);
-			rtw_store_op_chan(rtwdev);
 		} else {
 			rtw_leave_lps(rtwdev);
 			rtw_bf_disassoc(rtwdev, vif, conf);
@@ -395,6 +394,10 @@  static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_BSSID) {
 		ether_addr_copy(rtwvif->bssid, conf->bssid);
 		config |= PORT_SET_BSSID;
+		if (is_zero_ether_addr(rtwvif->bssid))
+			rtw_clear_op_chan(rtwdev);
+		else
+			rtw_store_op_chan(rtwdev);
 	}
 
 	if (changed & BSS_CHANGED_BEACON_INT) {