diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /net/mac80211/vht.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'net/mac80211/vht.c')
| -rw-r--r-- | net/mac80211/vht.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index d75f35c6e1a..9265adfdabf 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -129,9 +129,12 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, if (!vht_cap_ie || !sband->vht_cap.vht_supported) return; - /* A VHT STA must support 40 MHz */ - if (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) - 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 + * and others based on the BCM4360 chipset) will unset this + * capability bit when operating in 20 MHz. + */ vht_cap->vht_supported = true; @@ -349,9 +352,9 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta) sta->sta.rx_nss = max_t(u8, 1, ht_rx_nss); } -void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, - struct sta_info *sta, u8 opmode, - enum ieee80211_band band, bool nss_only) +u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, u8 opmode, + enum ieee80211_band band, bool nss_only) { struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband; @@ -363,7 +366,7 @@ void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, /* ignore - no support for BF yet */ if (opmode & IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF) - return; + return 0; nss = opmode & IEEE80211_OPMODE_NOTIF_RX_NSS_MASK; nss >>= IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT; @@ -375,7 +378,7 @@ void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, } if (nss_only) - goto change; + return changed; switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) { case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: @@ -398,7 +401,19 @@ void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, changed |= IEEE80211_RC_BW_CHANGED; } - change: - if (changed) + return changed; +} + +void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, u8 opmode, + enum ieee80211_band band, bool nss_only) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + + u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode, + band, nss_only); + + if (changed > 0) rate_control_rate_update(local, sband, sta, changed); } |