package/kernel/mac80211/patches/ath11k/0041-wifi-ath11k-generate-rx-and-tx-mcs-maps-for-supporte.patch

   1 From ebf82988f844dd98e6b007cffcc5e95986056995 Mon Sep 17 00:00:00 2001
   2 From: Muna Sinada <quic_msinada@quicinc.com>
   3 Date: Fri, 24 Feb 2023 12:28:04 +0200
   4 Subject: [PATCH] wifi: ath11k: generate rx and tx mcs maps for supported HE
   5  mcs
   6
   7 Generate rx and tx mcs maps in ath11k_mac_set_hemcsmap() and set them
   8 in supported mcs/nss for HE capabilities.
   9
  10 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00356-QCAHKSWPL_SILICONZ-1
  11
  12 Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
  13 Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
  14 Link: https://lore.kernel.org/r/1666128501-12364-5-git-send-email-quic_msinada@quicinc.com
  15 ---
  16  drivers/net/wireless/ath/ath11k/mac.c | 30 ++++++++++++++++++++-------
  17  1 file changed, 23 insertions(+), 7 deletions(-)
  18
  19 --- a/drivers/net/wireless/ath/ath11k/mac.c
  20 +++ b/drivers/net/wireless/ath/ath11k/mac.c
  21 @@ -5488,20 +5488,36 @@ static void ath11k_mac_set_hemcsmap(stru
  22                                     struct ieee80211_sta_he_cap *he_cap,
  23                                     int band)
  24  {
  25 -       struct ath11k_band_cap *band_cap = &cap->band[band];
  26 +       u16 txmcs_map, rxmcs_map;
  27 +       u32 i;
  28
  29 +       rxmcs_map = 0;
  30 +       txmcs_map = 0;
  31 +       for (i = 0; i < 8; i++) {
  32 +               if (i < ar->num_tx_chains &&
  33 +                   (ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))
  34 +                       txmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
  35 +               else
  36 +                       txmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
  37 +
  38 +               if (i < ar->num_rx_chains &&
  39 +                   (ar->cfg_rx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))
  40 +                       rxmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
  41 +               else
  42 +                       rxmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
  43 +       }
  44         he_cap->he_mcs_nss_supp.rx_mcs_80 =
  45 -               cpu_to_le16(band_cap->he_mcs & 0xffff);
  46 +               cpu_to_le16(rxmcs_map & 0xffff);
  47         he_cap->he_mcs_nss_supp.tx_mcs_80 =
  48 -               cpu_to_le16(band_cap->he_mcs & 0xffff);
  49 +               cpu_to_le16(txmcs_map & 0xffff);
  50         he_cap->he_mcs_nss_supp.rx_mcs_160 =
  51 -               cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
  52 +               cpu_to_le16(rxmcs_map & 0xffff);
  53         he_cap->he_mcs_nss_supp.tx_mcs_160 =
  54 -               cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
  55 +               cpu_to_le16(txmcs_map & 0xffff);
  56         he_cap->he_mcs_nss_supp.rx_mcs_80p80 =
  57 -               cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
  58 +               cpu_to_le16(rxmcs_map & 0xffff);
  59         he_cap->he_mcs_nss_supp.tx_mcs_80p80 =
  60 -               cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
  61 +               cpu_to_le16(txmcs_map & 0xffff);
  62  }
  63
  64  static int ath11k_mac_copy_he_cap(struct ath11k *ar,