cfg80211: add flags to cfg80211_rx_mgmt()

Add flags intended to report various auxiliary information
and introduce the NL80211_RXMGMT_FLAG_ANSWERED flag to report
that the frame was already answered by the device.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
[REPLIED->ANSWERED, reword commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index bfac5e1..8d49c1c 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -621,7 +621,7 @@
 }
 
 bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
-		      const u8 *buf, size_t len, gfp_t gfp)
+		      const u8 *buf, size_t len, u32 flags, gfp_t gfp)
 {
 	struct wiphy *wiphy = wdev->wiphy;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
@@ -664,7 +664,7 @@
 		/* Indicate the received Action frame to user space */
 		if (nl80211_send_mgmt(rdev, wdev, reg->nlportid,
 				      freq, sig_mbm,
-				      buf, len, gfp))
+				      buf, len, flags, gfp))
 			continue;
 
 		result = true;