mac80211: set beamforming bit in radiotap
Add a bit in rx_status.vht_flags to let the low level driver
notify mac80211 about a beamformed packet. Propagate this
to the radiotap header.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f6988fe..2de7ff4 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -877,11 +877,13 @@
* @RX_VHT_FLAG_80MHZ: 80 MHz was used
* @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used
* @RX_VHT_FLAG_160MHZ: 160 MHz was used
+ * @RX_VHT_FLAG_BF: packet was beamformed
*/
enum mac80211_rx_vht_flags {
RX_VHT_FLAG_80MHZ = BIT(0),
RX_VHT_FLAG_80P80MHZ = BIT(1),
RX_VHT_FLAG_160MHZ = BIT(2),
+ RX_VHT_FLAG_BF = BIT(3),
};
/**
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f3719e6..ac83228 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -333,6 +333,8 @@
/* in VHT, STBC is binary */
if (status->flag & RX_FLAG_STBC_MASK)
*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;
+ if (status->vht_flag & RX_VHT_FLAG_BF)
+ *pos |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;
pos++;
/* bandwidth */
if (status->vht_flag & RX_VHT_FLAG_80MHZ)
