mac80211: handle VHT operating mode notification

Handle the operating mode notification action frame.
When the supported streams or the bandwidth change
let the driver and rate control algorithm know.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 67c1a6c45837..12b5996533ec 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1301,6 +1301,7 @@ struct ieee80211_vht_operation {
 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
+#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a608ab9879b4..b7fb311e83f4 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2118,11 +2118,14 @@ enum ieee80211_frame_release_type {
  * @IEEE80211_RC_SUPP_RATES_CHANGED: The supported rate set of this peer
  *      changed (in IBSS mode) due to discovering more information about
  *      the peer.
+ * @IEEE80211_RC_NSS_CHANGED: N_SS (number of spatial streams) was changed
+ *      by the peer
  */
 enum ieee80211_rate_control_changed {
         IEEE80211_RC_BW_CHANGED         = BIT(0),
         IEEE80211_RC_SMPS_CHANGED       = BIT(1),
         IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2),
+        IEEE80211_RC_NSS_CHANGED        = BIT(3),
 };
 
 /**