diff options
Diffstat (limited to 'net/mac80211/vht.c')
| -rw-r--r-- | net/mac80211/vht.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index 834ccdbc74be..ff1c798921a6 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -120,6 +120,7 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap; struct ieee80211_sta_vht_cap own_cap; u32 cap_info, i; + bool have_80mhz; memset(vht_cap, 0, sizeof(*vht_cap)); @@ -129,6 +130,20 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, if (!vht_cap_ie || !sband->vht_cap.vht_supported) return; + /* 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) + return; + /* * A VHT STA must support 40 MHz, but if we verify that here * then we break a few things - some APs (e.g. Netgear R6300v2 |