package/kernel/mac80211/patches/312-mac80211-skip-legacy-rate-mask-handling-for-VHT-rate.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Sat, 15 Nov 2014 03:45:56 +0100
   3 Subject: [PATCH] mac80211: skip legacy rate mask handling for VHT rates
   4
   5 The rate mask code currently assumes that a rate is legacy if
   6 IEEE80211_TX_RC_MCS is not set. This might be the cause of bogus VHT
   7 rates being reported with minstrel_ht.
   8
   9 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
  10 ---
  11
  12 --- a/net/mac80211/rate.c
  13 +++ b/net/mac80211/rate.c
  14 @@ -385,7 +385,7 @@ static void rate_idx_match_mask(struct i
  15                         *rate = alt_rate;
  16                         return;
  17                 }
  18 -       } else {
  19 +       } else if (!(rate->flags & IEEE80211_TX_RC_VHT_MCS)) {
  20                 /* handle legacy rates */
  21                 if (rate_idx_match_legacy_mask(rate, sband->n_bitrates, mask))
  22                         return;