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| author | Felix Fietkau <nbd@openwrt.org> | 2013-06-28 21:04:35 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-11 18:35:22 -0700 |
| commit | ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6 (patch) | |
| tree | 486fe6c5216c3ccec7e921defdcd1bc17a3e86ac /net | |
| parent | 57fe9f79b907bdb8ef1fd8b31824f8901581369e (diff) | |
| download | linux-3.10-ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6.tar.gz linux-3.10-ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6.tar.bz2 linux-3.10-ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6.zip | |
mac80211/minstrel_ht: fix cck rate sampling
commit 1cd158573951f737fbc878a35cb5eb47bf9af3d5 upstream.
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.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_ht.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 5b2d3012b98..f5aed963b22 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -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 |