nl80211: allow subscribing to unexpected class3 frames

To implement AP mode without monitor interfaces we
need to be able to send a deauth to stations that
send frames without being associated. Enable this
by adding a new nl80211 event for such frames that
an application can subscribe to.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 8049bf77d799..9107adc73e0b 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -509,6 +509,16 @@
  * @NL80211_CMD_TDLS_OPER: Perform a high-level TDLS command (e.g. link setup).
  * @NL80211_CMD_TDLS_MGMT: Send a TDLS management frame.
  *
+ * @NL80211_CMD_UNEXPECTED_FRAME: Used by an application controlling an AP
+ *      (or GO) interface (i.e. hostapd) to ask for unexpected frames to
+ *      implement sending deauth to stations that send unexpected class 3
+ *      frames. Also used as the event sent by the kernel when such a frame
+ *      is received.
+ *      For the event, the %NL80211_ATTR_MAC attribute carries the TA and
+ *      other attributes like the interface index are present.
+ *      If used as the command it must have an interface index and you can
+ *      only unsubscribe from the event by closing the socket.
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -638,6 +648,8 @@ enum nl80211_commands {
         NL80211_CMD_TDLS_OPER,
         NL80211_CMD_TDLS_MGMT,
 
+        NL80211_CMD_UNEXPECTED_FRAME,
+
         /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */