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, 10 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 50e3608f5656..093f538f65d6 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1694,6 +1694,8 @@ struct cfg80211_ops {
  * @WIPHY_FLAG_REPORTS_OBSS: the device will report beacons from other BSSes
  *      when there are virtual interfaces in AP mode by calling
  *      cfg80211_report_obss_beacon().
+ * @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD: When operating as an AP, the device
+ *      responds to probe-requests in hardware.
  */
 enum wiphy_flags {
         WIPHY_FLAG_CUSTOM_REGULATORY            = BIT(0),
@@ -1714,6 +1716,7 @@ enum wiphy_flags {
         WIPHY_FLAG_TDLS_EXTERNAL_SETUP          = BIT(16),
         WIPHY_FLAG_HAVE_AP_SME                  = BIT(17),
         WIPHY_FLAG_REPORTS_OBSS                 = BIT(18),
+        WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD        = BIT(19),
 };
 
 /**
@@ -1982,6 +1985,13 @@ struct wiphy {
         u32 available_antennas_tx;
         u32 available_antennas_rx;
 
+        /*
+         * Bitmap of supported protocols for probe response offloading
+         * see &enum nl80211_probe_resp_offload_support_attr. Only valid
+         * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
+         */
+        u32 probe_resp_offload;
+
         /* If multiple wiphys are registered and you're handed e.g.
          * a regular netdev with assigned ieee80211_ptr, you won't
          * know whether it points to a wiphy your driver has registered