diff options
| author | Thomas Pedersen <thomas@cozybit.com> | 2012-04-26 15:01:07 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-27 16:07:24 -0400 |
| commit | 11069ef318f92fb5960ebd7f9c01e5bc0dcb63fc (patch) | |
| tree | eff70ea586f69515038d676e4b6069cc926d70bb | |
| parent | 72e8074d1acf739e9ff0e61d1b9d911472f963da (diff) | |
| download | iwlwifi-11069ef318f92fb5960ebd7f9c01e5bc0dcb63fc.tar.gz | |
mac80211: don't transmit 40MHz frames to 20MHz peer
If a mesh peer indicates it is operating as 20MHz-only in its HT
operation IE, have the rate control algorithm respect this by disabling
the equivalent bit in the ieee80211_sta HT capabilities.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | net/mac80211/mesh_plink.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index f4124d7c556c75..6209327840f7c3 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -302,6 +302,12 @@ static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata, else memset(&sta->sta.ht_cap, 0, sizeof(sta->sta.ht_cap)); + if (elems->ht_operation) + if (!(elems->ht_operation->ht_param & + IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) + sta->sta.ht_cap.cap &= + ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + rate_control_rate_init(sta); spin_unlock_bh(&sta->lock); |