package/network/services/hostapd/patches/070-driver_nl80211-fix-WMM-queue-mapping-for-regulatory-.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Thu, 23 Jan 2020 13:50:47 +0100
   3 Subject: [PATCH] driver_nl80211: fix WMM queue mapping for regulatory
   4  limit
   5
   6 nl80211 uses a different queue mapping from hostap, so AC indexes need to
   7 be converted.
   8
   9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
  10 ---
  11
  12 --- a/src/drivers/driver_nl80211_capa.c
  13 +++ b/src/drivers/driver_nl80211_capa.c
  14 @@ -1403,6 +1403,12 @@ static void phy_info_freq(struct hostapd
  15                         [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
  16                         [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
  17                 };
  18 +               static const u8 wmm_map[4] = {
  19 +                       [NL80211_AC_BE] = WMM_AC_BE,
  20 +                       [NL80211_AC_BK] = WMM_AC_BK,
  21 +                       [NL80211_AC_VI] = WMM_AC_VI,
  22 +                       [NL80211_AC_VO] = WMM_AC_VO,
  23 +               };
  24                 struct nlattr *nl_wmm;
  25                 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
  26                 int rem_wmm, ac, count = 0;
  27 @@ -1424,12 +1430,13 @@ static void phy_info_freq(struct hostapd
  28                                 return;
  29                         }
  30                         ac = nl_wmm->nla_type;
  31 -                       if (ac < 0 || ac >= WMM_AC_NUM) {
  32 +                       if (ac >= ARRAY_SIZE(wmm_map)) {
  33                                 wpa_printf(MSG_DEBUG,
  34                                            "nl80211: Invalid AC value %d", ac);
  35                                 return;
  36                         }
  37
  38 +                       ac = wmm_map[ac];
  39                         chan->wmm_rules[ac].min_cwmin =
  40                                 nla_get_u16(tb_wmm[NL80211_WMMR_CW_MIN]);
  41                         chan->wmm_rules[ac].min_cwmax =