rtw89: update scan_mac_addr during scanning period

Update scan_mac_addr to address CAM as A1, so hardware can ACK probe
response properly.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211111023706.14154-2-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/cam.c

@@ -243,7 +243,7 @@ static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev,
 	addr_cam->sec_ent[key_idx] = sec_cam->sec_cam_idx;
 	addr_cam->sec_entries[key_idx] = sec_cam;
 	set_bit(key_idx, addr_cam->sec_cam_map);
-	ret = rtw89_fw_h2c_cam(rtwdev, rtwvif);
+	ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	if (ret) {
 		rtw89_err(rtwdev, "failed to update addr cam sec entry: %d\n",
 			  ret);
@@ -394,7 +394,7 @@ int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev,
 	clear_bit(key_idx, addr_cam->sec_cam_map);
 	addr_cam->sec_entries[key_idx] = NULL;
 	if (inform_fw) {
-		ret = rtw89_fw_h2c_cam(rtwdev, rtwvif);
+		ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 		if (ret)
 			rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret);
 	}
@@ -593,7 +593,7 @@ int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
 	return 0;
 }
 
-static u8 rtw89_cam_addr_hash(u8 start, u8 *addr)
+static u8 rtw89_cam_addr_hash(u8 start, const u8 *addr)
 {
 	u8 hash = 0;
 	u8 i;
@@ -606,12 +606,14 @@ static u8 rtw89_cam_addr_hash(u8 start, u8 *addr)
 
 void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
 				  struct rtw89_vif *rtwvif,
+				  const u8 *scan_mac_addr,
 				  u8 *cmd)
 {
 	struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
 	struct ieee80211_sta *sta;
 	struct rtw89_sta *rtwsta;
 	struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam;
+	const u8 *sma = scan_mac_addr ? scan_mac_addr : rtwvif->mac_addr;
 	u8 sma_hash, tma_hash, addr_msk_start;
 	u8 sma_start = 0;
 	u8 tma_start = 0;
@@ -623,7 +625,7 @@ void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
 		else if (addr_cam->mask_sel == RTW89_TMA)
 			tma_start = addr_msk_start;
 	}
-	sma_hash = rtw89_cam_addr_hash(sma_start, rtwvif->mac_addr);
+	sma_hash = rtw89_cam_addr_hash(sma_start, sma);
 	tma_hash = rtw89_cam_addr_hash(tma_start, addr_cam->tma);
 
 	FWCMD_SET_ADDR_IDX(cmd, addr_cam->addr_cam_idx);
@@ -642,12 +644,12 @@ void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
 
 	FWCMD_SET_ADDR_BSSID_CAM_IDX(cmd, addr_cam->bssid_cam_idx);
 
-	FWCMD_SET_ADDR_SMA0(cmd, rtwvif->mac_addr[0]);
-	FWCMD_SET_ADDR_SMA1(cmd, rtwvif->mac_addr[1]);
-	FWCMD_SET_ADDR_SMA2(cmd, rtwvif->mac_addr[2]);
-	FWCMD_SET_ADDR_SMA3(cmd, rtwvif->mac_addr[3]);
-	FWCMD_SET_ADDR_SMA4(cmd, rtwvif->mac_addr[4]);
-	FWCMD_SET_ADDR_SMA5(cmd, rtwvif->mac_addr[5]);
+	FWCMD_SET_ADDR_SMA0(cmd, sma[0]);
+	FWCMD_SET_ADDR_SMA1(cmd, sma[1]);
+	FWCMD_SET_ADDR_SMA2(cmd, sma[2]);
+	FWCMD_SET_ADDR_SMA3(cmd, sma[3]);
+	FWCMD_SET_ADDR_SMA4(cmd, sma[4]);
+	FWCMD_SET_ADDR_SMA5(cmd, sma[5]);
 
 	FWCMD_SET_ADDR_TMA0(cmd, addr_cam->tma[0]);
 	FWCMD_SET_ADDR_TMA1(cmd, addr_cam->tma[1]);

drivers/net/wireless/realtek/rtw89/cam.h

@@ -347,7 +347,8 @@ static inline void FWCMD_SET_ADDR_BSSID_BSSID5(void *cmd, u32 value)
 int rtw89_cam_init(struct rtw89_dev *rtwdev, struct rtw89_vif *vif);
 void rtw89_cam_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif *vif);
 void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
-				  struct rtw89_vif *vif, u8 *cmd);
+				  struct rtw89_vif *vif,
+				  const u8 *scan_mac_addr, u8 *cmd);
 int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
 				  struct rtw89_vif *vif, u8 *cmd);
 int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev,

drivers/net/wireless/realtek/rtw89/core.c

@@ -1872,7 +1872,7 @@ int rtw89_core_sta_disconnect(struct rtw89_dev *rtwdev,
 	}
 
 	/* update cam aid mac_id net_type */
-	rtw89_fw_h2c_cam(rtwdev, rtwvif);
+	rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	if (ret) {
 		rtw89_warn(rtwdev, "failed to send h2c cam\n");
 		return ret;
@@ -1908,7 +1908,7 @@ int rtw89_core_sta_assoc(struct rtw89_dev *rtwdev,
 	}
 
 	/* update cam aid mac_id net_type */
-	rtw89_fw_h2c_cam(rtwdev, rtwvif);
+	rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	if (ret) {
 		rtw89_warn(rtwdev, "failed to send h2c cam\n");
 		return ret;

drivers/net/wireless/realtek/rtw89/fw.c

@@ -523,7 +523,8 @@ void rtw89_unload_firmware(struct rtw89_dev *rtwdev)
 }
 
 #define H2C_CAM_LEN 60
-int rtw89_fw_h2c_cam(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
+int rtw89_fw_h2c_cam(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
+		     const u8 *scan_mac_addr)
 {
 	struct sk_buff *skb;
 
@@ -533,7 +534,7 @@ int rtw89_fw_h2c_cam(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
 		return -ENOMEM;
 	}
 	skb_put(skb, H2C_CAM_LEN);
-	rtw89_cam_fill_addr_cam_info(rtwdev, rtwvif, skb->data);
+	rtw89_cam_fill_addr_cam_info(rtwdev, rtwvif, scan_mac_addr, skb->data);
 	rtw89_cam_fill_bssid_cam_info(rtwdev, rtwvif, skb->data);
 
 	rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,

drivers/net/wireless/realtek/rtw89/fw.h

@@ -1756,7 +1756,8 @@ int rtw89_fw_h2c_assoc_cmac_tbl(struct rtw89_dev *rtwdev,
 				struct ieee80211_sta *sta);
 int rtw89_fw_h2c_txtime_cmac_tbl(struct rtw89_dev *rtwdev,
 				 struct rtw89_sta *rtwsta);
-int rtw89_fw_h2c_cam(struct rtw89_dev *rtwdev, struct rtw89_vif *vif);
+int rtw89_fw_h2c_cam(struct rtw89_dev *rtwdev, struct rtw89_vif *vif,
+		     const u8 *scan_mac_addr);
 void rtw89_fw_c2h_irqsafe(struct rtw89_dev *rtwdev, struct sk_buff *c2h);
 void rtw89_fw_c2h_work(struct work_struct *work);
 int rtw89_fw_h2c_vif_maintain(struct rtw89_dev *rtwdev,

drivers/net/wireless/realtek/rtw89/mac.c

@@ -2990,7 +2990,7 @@ int rtw89_mac_vif_init(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
 	if (ret)
 		return ret;
 
-	ret = rtw89_fw_h2c_cam(rtwdev, rtwvif);
+	ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	if (ret)
 		return ret;
 
@@ -3011,7 +3011,7 @@ int rtw89_mac_vif_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
 
 	rtw89_cam_deinit(rtwdev, rtwvif);
 
-	ret = rtw89_fw_h2c_cam(rtwdev, rtwvif);
+	ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	if (ret)
 		return ret;
 

drivers/net/wireless/realtek/rtw89/mac80211.c

@@ -336,7 +336,7 @@ static void rtw89_ops_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_BSSID) {
 		ether_addr_copy(rtwvif->bssid, conf->bssid);
 		rtw89_cam_bssid_changed(rtwdev, rtwvif);
-		rtw89_fw_h2c_cam(rtwdev, rtwvif);
+		rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	}
 
 	if (changed & BSS_CHANGED_ERP_SLOT)
@@ -615,6 +615,7 @@ static void rtw89_ops_sw_scan_start(struct ieee80211_hw *hw,
 				    const u8 *mac_addr)
 {
 	struct rtw89_dev *rtwdev = hw->priv;
+	struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 	struct rtw89_hal *hal = &rtwdev->hal;
 
 	mutex_lock(&rtwdev->mutex);
@@ -623,6 +624,7 @@ static void rtw89_ops_sw_scan_start(struct ieee80211_hw *hw,
 	rtw89_btc_ntfy_scan_start(rtwdev, RTW89_PHY_0, hal->current_band_type);
 	rtw89_chip_rfk_scan(rtwdev, true);
 	rtw89_hci_recalc_int_mit(rtwdev);
+	rtw89_fw_h2c_cam(rtwdev, rtwvif, mac_addr);
 	mutex_unlock(&rtwdev->mutex);
 }
 
@@ -630,8 +632,10 @@ static void rtw89_ops_sw_scan_complete(struct ieee80211_hw *hw,
 				       struct ieee80211_vif *vif)
 {
 	struct rtw89_dev *rtwdev = hw->priv;
+	struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 
 	mutex_lock(&rtwdev->mutex);
+	rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL);
 	rtw89_chip_rfk_scan(rtwdev, false);
 	rtw89_btc_ntfy_scan_finish(rtwdev, RTW89_PHY_0);
 	rtwdev->scanning = false;