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From f86dd8eaf8da84ee5b803d90b8c311d7e2725d0b Mon Sep 17 00:00:00 2001
From: Martin Kaistra <martin.kaistra@linutronix.de>
Date: Fri, 22 Dec 2023 11:14:29 +0100
Subject: [PATCH 08/21] wifi: rtl8xxxu: don't parse CFO, if both interfaces are
connected in STA mode
If both interfaces are in STATION mode and both are connected to an AP,
there might be conflicting CFO values for the two connections. Ignore
the CFO information in this case.
Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231222101442.626837-9-martin.kaistra@linutronix.de
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -5716,6 +5716,14 @@ static inline bool rtl8xxxu_is_packet_ma
ether_addr_equal(priv->vifs[port_num]->bss_conf.bssid, hdr->addr2);
}
+static inline bool rtl8xxxu_is_sta_sta(struct rtl8xxxu_priv *priv)
+{
+ return (priv->vifs[0] && priv->vifs[0]->cfg.assoc &&
+ priv->vifs[0]->type == NL80211_IFTYPE_STATION) &&
+ (priv->vifs[1] && priv->vifs[1]->cfg.assoc &&
+ priv->vifs[1]->type == NL80211_IFTYPE_STATION);
+}
+
void rtl8723au_rx_parse_phystats(struct rtl8xxxu_priv *priv,
struct ieee80211_rx_status *rx_status,
struct rtl8723au_phy_stats *phy_stats,
@@ -5734,6 +5742,7 @@ void rtl8723au_rx_parse_phystats(struct
bool parse_cfo = priv->fops->set_crystal_cap &&
!crc_icv_err &&
!ieee80211_is_ctl(hdr->frame_control) &&
+ !rtl8xxxu_is_sta_sta(priv) &&
(rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) ||
rtl8xxxu_is_packet_match_bssid(priv, hdr, 1));
@@ -5772,6 +5781,7 @@ static void jaguar2_rx_parse_phystats_ty
bool parse_cfo = priv->fops->set_crystal_cap &&
!crc_icv_err &&
!ieee80211_is_ctl(hdr->frame_control) &&
+ !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;
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