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authorEyal Shapira <eyal@wizery.com>2015-12-08 16:04:36 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-12-15 13:16:47 +0100
commitcf1e05c63642ce65821a6277adfc2157f7334c9d (patch)
tree520021e3e5bbdd88704a9cf91fb7fc2686470796 /net/mac80211/vht.c
parenta87da0cbc42949cefc8282c39ab4cb8c460bd6ea (diff)
mac80211: handle width changes from opmode notification IE in beacon
An AP can send an operating channel width change in a beacon opmode notification IE as long as there's a change in the nss as well (See 802.11ac-2013 section 10.41). So don't limit updating to nss only from an opmode notification IE. Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/vht.c')
-rw-r--r--net/mac80211/vht.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index ff1c798921a6..c38b2f07a919 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -378,7 +378,7 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta)
u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
- enum ieee80211_band band, bool nss_only)
+ enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
@@ -401,9 +401,6 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
changed |= IEEE80211_RC_NSS_CHANGED;
}
- if (nss_only)
- return changed;
-
switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) {
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ:
sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_20;
@@ -430,13 +427,12 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
- enum ieee80211_band band, bool nss_only)
+ enum ieee80211_band band)
{
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);
+ u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode, band);
if (changed > 0)
rate_control_rate_update(local, sband, sta, changed);