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>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f3719e669893..ac8322818b28 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -333,6 +333,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
                 /* 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)