nl80211: Add probe response offload attribute

Notify user-space about probe-response offloading support in the driver.

A wiphy flag is used to indicate support and a bitmap of protocols
determines which protocols are supported.

Signed-off-by: Guy Eilam <guy@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 258fb881c8e3..f395a06c114a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -759,6 +759,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
         NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
                     dev->wiphy.available_antennas_rx);
 
+        if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD)
+                NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
+                            dev->wiphy.probe_resp_offload);
+
         if ((dev->wiphy.available_antennas_tx ||
              dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) {
                 u32 tx_ant = 0, rx_ant = 0;