redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

mac80211/minstrel_ht: fix cck rate sampling

Browse source 
The CCK group needs special treatment to set the right flags and rate
index. Add this missing check to prevent setting broken rates for tx
packets.

Cc: stable@vger.kernel.org # 3.10
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
This commit is contained in:
Felix Fietkau 2013-06-28 21:04:35 +02:00 committed by Johannes Berg
parent f77b86d7d3
commit 1cd1585739
1 changed files with 9 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
net/mac80211/rc80211_minstrel_ht.c
View file

@ -804,10 +804,18 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
rate->count = 1;
if (sample_idx / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
int idx = sample_idx % ARRAY_SIZE(mp->cck_rates);
rate->idx = mp->cck_rates[idx];
rate->flags = 0;
return;
}
rate->idx = sample_idx % MCS_GROUP_RATES +
(sample_group->streams - 1) * MCS_GROUP_RATES;
rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags;
rate->count = 1;
}
static void