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Commit 39fd5de4 authored by Bruno Randolf's avatar Bruno Randolf Committed by John W. Linville
Browse files

nl80211: Export available antennas 



Export the information which antennas are available for configuration as TX or
RX antennas via nl80211.

Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7f531e03

include/linux/nl80211.h

+9 −0
Original line number Diff line number Diff line
@@ -858,6 +858,12 @@ enum nl80211_commands { 
 *	the hardware should not be configured to receive on this antenna.

 *	For a more detailed descripton see @NL80211_ATTR_WIPHY_ANTENNA_TX.

 *

 * @NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX: Bitmap of antennas which are available

 *	for configuration as TX antennas via the above parameters.

 *

 * @NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX: Bitmap of antennas which are available

 *	for configuration as RX antennas via the above parameters.

 *

 * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS

 *

 * @NL80211_ATTR_OFFCHANNEL_TX_OK: For management frame TX, the frame may be
@@ -1059,6 +1065,9 @@ enum nl80211_attrs { 


	NL80211_ATTR_MESH_SETUP,



	NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,

	NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,



	/* add attributes here, update the policy in nl80211.c */



	__NL80211_ATTR_AFTER_LAST,

net/wireless/nl80211.c

+5 −0
Original line number Diff line number Diff line
@@ -605,6 +605,11 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, 
	if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL)

		NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE);



	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,

		    dev->wiphy.available_antennas_tx);

	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,

		    dev->wiphy.available_antennas_rx);



	if ((dev->wiphy.available_antennas_tx ||

	     dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) {

		u32 tx_ant = 0, rx_ant = 0;