package/kernel/mac80211/patches/subsys/335-wifi-mac80211-add-LDPC-related-flags-in-ieee80211_bs.patch

   1 From: Ryder Lee <ryder.lee@mediatek.com>
   2 Date: Sat, 18 Feb 2023 01:49:25 +0800
   3 Subject: [PATCH] wifi: mac80211: add LDPC related flags in ieee80211_bss_conf
   4
   5 This is utilized to pass LDPC configurations from user space
   6 (i.e. hostapd) to driver.
   7
   8 Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
   9 Link: https://lore.kernel.org/r/1de696aaa34efd77a926eb657b8c0fda05aaa177.1676628065.git.ryder.lee@mediatek.com
  10 Signed-off-by: Johannes Berg <johannes.berg@intel.com>
  11 ---
  12
  13 --- a/include/net/mac80211.h
  14 +++ b/include/net/mac80211.h
  15 @@ -653,6 +653,9 @@ struct ieee80211_fils_discovery {
  16   *     write-protected by sdata_lock and local->mtx so holding either is fine
  17   *     for read access.
  18   * @color_change_color: the bss color that will be used after the change.
  19 + * @ht_ldpc: in AP mode, indicates interface has HT LDPC capability.
  20 + * @vht_ldpc: in AP mode, indicates interface has VHT LDPC capability.
  21 + * @he_ldpc: in AP mode, indicates interface has HE LDPC capability.
  22   * @vht_su_beamformer: in AP mode, does this BSS support operation as an VHT SU
  23   *     beamformer
  24   * @vht_su_beamformee: in AP mode, does this BSS support operation as an VHT SU
  25 @@ -744,6 +747,9 @@ struct ieee80211_bss_conf {
  26         bool color_change_active;
  27         u8 color_change_color;
  28
  29 +       bool ht_ldpc;
  30 +       bool vht_ldpc;
  31 +       bool he_ldpc;
  32         bool vht_su_beamformer;
  33         bool vht_su_beamformee;
  34         bool vht_mu_beamformer;
  35 --- a/net/mac80211/cfg.c
  36 +++ b/net/mac80211/cfg.c
  37 @@ -1252,7 +1252,15 @@ static int ieee80211_start_ap(struct wip
  38         prev_beacon_int = link_conf->beacon_int;
  39         link_conf->beacon_int = params->beacon_interval;
  40
  41 +       if (params->ht_cap)
  42 +               link_conf->ht_ldpc =
  43 +                       params->ht_cap->cap_info &
  44 +                               cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);
  45 +
  46         if (params->vht_cap) {
  47 +               link_conf->vht_ldpc =
  48 +                       params->vht_cap->vht_cap_info &
  49 +                               cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
  50                 link_conf->vht_su_beamformer =
  51                         params->vht_cap->vht_cap_info &
  52                                 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
  53 @@ -1282,6 +1290,9 @@ static int ieee80211_start_ap(struct wip
  54         }
  55
  56         if (params->he_cap) {
  57 +               link_conf->he_ldpc =
  58 +                       params->he_cap->phy_cap_info[1] &
  59 +                               IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
  60                 link_conf->he_su_beamformer =
  61                         params->he_cap->phy_cap_info[3] &
  62                                 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;