diff options
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 705ef1d040ed..cd7e55e08a23 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4267,6 +4267,8 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband; struct cfg80211_chan_def chandef; int ret; + u32 i; + bool have_80mhz; sband = local->hw.wiphy->bands[cbss->channel->band]; @@ -4317,6 +4319,20 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } } + /* Allow VHT if at least one channel on the sband supports 80 MHz */ + have_80mhz = false; + for (i = 0; i < sband->n_channels; i++) { + if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED | + IEEE80211_CHAN_NO_80MHZ)) + continue; + + have_80mhz = true; + break; + } + + if (!have_80mhz) + ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + ifmgd->flags |= ieee80211_determine_chantype(sdata, sband, cbss->channel, ht_cap, ht_oper, vht_oper, |