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Commit fb378c23 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by Johannes Berg
Browse files

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: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 3afc2167

include/net/mac80211.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -877,11 +877,13 @@ enum mac80211_rx_flags { 
 * @RX_VHT_FLAG_80MHZ: 80 MHz was used

 * @RX_VHT_FLAG_80MHZ: 80 MHz was used

 * @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used

 * @RX_VHT_FLAG_80P80MHZ: 80+80 MHz was used

 * @RX_VHT_FLAG_160MHZ: 160 MHz was used

 * @RX_VHT_FLAG_160MHZ: 160 MHz was used

 * @RX_VHT_FLAG_BF: packet was beamformed

 */

 */

enum mac80211_rx_vht_flags {

enum mac80211_rx_vht_flags {

	RX_VHT_FLAG_80MHZ		= BIT(0),

	RX_VHT_FLAG_80MHZ		= BIT(0),

	RX_VHT_FLAG_80P80MHZ		= BIT(1),

	RX_VHT_FLAG_80P80MHZ		= BIT(1),

	RX_VHT_FLAG_160MHZ		= BIT(2),

	RX_VHT_FLAG_160MHZ		= BIT(2),

	RX_VHT_FLAG_BF			= BIT(3),

};

};





/**

/**

net/mac80211/rx.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -333,6 +333,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, 
		/* in VHT, STBC is binary */

		/* in VHT, STBC is binary */

		if (status->flag & RX_FLAG_STBC_MASK)

		if (status->flag & RX_FLAG_STBC_MASK)

			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;

			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;

		if (status->vht_flag & RX_VHT_FLAG_BF)

			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;

		pos++;

		pos++;

		/* bandwidth */

		/* bandwidth */

		if (status->vht_flag & RX_VHT_FLAG_80MHZ)

		if (status->vht_flag & RX_VHT_FLAG_80MHZ)