Signed-off-by: Bruno Randolf <br1@xxxxxxxxxxx>
---
v2: rebased
---
include/linux/nl80211.h | 5 +++++
net/wireless/nl80211.c | 2 ++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index b8fa25d..63b603c 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -841,6 +841,9 @@ 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: Bitmap of antennas which are available for
+ * configuration 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
@@ -1035,6 +1038,8 @@ enum nl80211_attrs {
NL80211_ATTR_KEY_DEFAULT_TYPES,
+ NL80211_ATTR_WIPHY_ANTENNA_AVAIL,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 53f0443..87eae15 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -613,6 +613,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant);
}
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL,
+ dev->wiphy.available_antennas);
}
nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
--
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