From 41a21d0ff3a0b05de78f9cbeb29945d0eb18102a Mon Sep 17 00:00:00 2001 From: Bitterblue Smith Date: Thu, 20 Nov 2025 16:13:17 +0200 Subject: [PATCH] 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 Reviewed-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/1c6c1fd4-92f6-4327-a24e-f0747ab21819@gmail.com --- drivers/net/wireless/realtek/rtl8xxxu/core.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/core.c b/drivers/net/wireless/realtek/rtl8xxxu/core.c index 739456640ca8b..a18f73aea8374 100644 --- 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, -- 2.47.3