wifi: rtl8xxxu: Fix RX channel width reported by RTL8192FU

The other chips report the RX channel width in the RX descriptor,
but this one doesn't.

Get the RX channel width from the PHY status.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/1c6c1fd4-92f6-4327-a24e-f0747ab21819@gmail.com

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/core.c b/drivers/net/wireless/realtek/rtl8xxxu/core.c
index 739456640ca8be4e84b3ebdb8c7c7a5bce11c01a..a18f73aea83741c8f4459c72ada788cd05fa8c97 100644 (file)
--- a/drivers/net/wireless/realtek/rtl8xxxu/core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/core.c
@@ -5701,7 +5701,7 @@ static void jaguar2_rx_parse_phystats_type1(struct rtl8xxxu_priv *priv,
                         !rtl8xxxu_is_sta_sta(priv) &&
                         (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) ||
                          rtl8xxxu_is_packet_match_bssid(priv, hdr, 1));
-       u8 pwdb_max = 0;
+       u8 pwdb_max = 0, rxsc;
        int rx_path;
 
        if (parse_cfo) {
@@ -5716,6 +5716,16 @@ static void jaguar2_rx_parse_phystats_type1(struct rtl8xxxu_priv *priv,
                pwdb_max = max(pwdb_max, phy_stats1->pwdb[rx_path]);
 
        rx_status->signal = pwdb_max - 110;
+
+       if (rxmcs >= DESC_RATE_6M && rxmcs <= DESC_RATE_54M)
+               rxsc = phy_stats1->l_rxsc;
+       else
+               rxsc = phy_stats1->ht_rxsc;
+
+       if (phy_stats1->rf_mode == 0 || rxsc == 1 || rxsc == 2)
+               rx_status->bw = RATE_INFO_BW_20;
+       else
+               rx_status->bw = RATE_INFO_BW_40;
 }
 
 static void jaguar2_rx_parse_phystats_type2(struct rtl8xxxu_priv *priv,