wifi: rtw89: fix CTS transmission issue with center frequency deviation

The CTS cannot be received by the peer due to center frequency
deviation. This issue can be solved by correct settings to
transmit proper CTS.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/20240423121247.24714-1-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 8b34044f7a8a512e4bf1f479b096a99935a0958e..b78b110ac7b27444b95d8fad64822367de033fd2 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -3644,6 +3644,7 @@ static int set_host_rpr_ax(struct rtw89_dev *rtwdev)
 
 static int trx_init_ax(struct rtw89_dev *rtwdev)
 {
+       enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
        enum rtw89_qta_mode qta_mode = rtwdev->mac.qta_mode;
        int ret;
 
@@ -3687,6 +3688,10 @@ static int trx_init_ax(struct rtw89_dev *rtwdev)
                return ret;
        }
 
+       if (chip_id == RTL8852C)
+               rtw89_write32_clr(rtwdev, R_AX_RSP_CHK_SIG,
+                                 B_AX_RSP_STATIC_RTS_CHK_SERV_BW_EN);
+
        return 0;
 }
 

diff --git a/drivers/net/wireless/realtek/rtw89/mac_be.c b/drivers/net/wireless/realtek/rtw89/mac_be.c
index f16467377eabafd379592b3ff008a834a3983046..934bdf3b398f1811a43a70ce62f2aae6839ed79f 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/mac_be.c
+++ b/drivers/net/wireless/realtek/rtw89/mac_be.c
@@ -1751,6 +1751,7 @@ static int set_host_rpr_be(struct rtw89_dev *rtwdev)
 
 static int trx_init_be(struct rtw89_dev *rtwdev)
 {
+       enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
        enum rtw89_qta_mode qta_mode = rtwdev->mac.qta_mode;
        int ret;
 
@@ -1794,6 +1795,10 @@ static int trx_init_be(struct rtw89_dev *rtwdev)
                return ret;
        }
 
+       if (chip_id == RTL8922A)
+               rtw89_write32_clr(rtwdev, R_BE_RSP_CHK_SIG,
+                                 B_BE_RSP_STATIC_RTS_CHK_SERV_BW_EN);
+
        return 0;
 }