package/kernel/mac80211/patches/rtl/001-08-v6.9-wifi-rtl8xxxu-don-t-parse-CFO-if-both-interfaces-are.patch

   1 From f86dd8eaf8da84ee5b803d90b8c311d7e2725d0b Mon Sep 17 00:00:00 2001
   2 From: Martin Kaistra <martin.kaistra@linutronix.de>
   3 Date: Fri, 22 Dec 2023 11:14:29 +0100
   4 Subject: [PATCH 08/21] wifi: rtl8xxxu: don't parse CFO, if both interfaces are
   5  connected in STA mode
   6
   7 If both interfaces are in STATION mode and both are connected to an AP,
   8 there might be conflicting CFO values for the two connections. Ignore
   9 the CFO information in this case.
  10
  11 Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
  12 Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
  13 Signed-off-by: Kalle Valo <kvalo@kernel.org>
  14 Link: https://msgid.link/20231222101442.626837-9-martin.kaistra@linutronix.de
  15 ---
  16  drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 10 ++++++++++
  17  1 file changed, 10 insertions(+)
  18
  19 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
  20 +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
  21 @@ -5716,6 +5716,14 @@ static inline bool rtl8xxxu_is_packet_ma
  22                ether_addr_equal(priv->vifs[port_num]->bss_conf.bssid, hdr->addr2);
  23  }
  24
  25 +static inline bool rtl8xxxu_is_sta_sta(struct rtl8xxxu_priv *priv)
  26 +{
  27 +       return (priv->vifs[0] && priv->vifs[0]->cfg.assoc &&
  28 +               priv->vifs[0]->type == NL80211_IFTYPE_STATION) &&
  29 +              (priv->vifs[1] && priv->vifs[1]->cfg.assoc &&
  30 +               priv->vifs[1]->type == NL80211_IFTYPE_STATION);
  31 +}
  32 +
  33  void rtl8723au_rx_parse_phystats(struct rtl8xxxu_priv *priv,
  34                                  struct ieee80211_rx_status *rx_status,
  35                                  struct rtl8723au_phy_stats *phy_stats,
  36 @@ -5734,6 +5742,7 @@ void rtl8723au_rx_parse_phystats(struct
  37                 bool parse_cfo = priv->fops->set_crystal_cap &&
  38                                  !crc_icv_err &&
  39                                  !ieee80211_is_ctl(hdr->frame_control) &&
  40 +                                !rtl8xxxu_is_sta_sta(priv) &&
  41                                  (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) ||
  42                                   rtl8xxxu_is_packet_match_bssid(priv, hdr, 1));
  43
  44 @@ -5772,6 +5781,7 @@ static void jaguar2_rx_parse_phystats_ty
  45         bool parse_cfo = priv->fops->set_crystal_cap &&
  46                          !crc_icv_err &&
  47                          !ieee80211_is_ctl(hdr->frame_control) &&
  48 +                        !rtl8xxxu_is_sta_sta(priv) &&
  49                          (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) ||
  50                           rtl8xxxu_is_packet_match_bssid(priv, hdr, 1));
  51         u8 pwdb_max = 0;