mac80211: refactor monitor representation in sdata

Insert the u32 monitor flags variable in a new structure
that represents a monitor interface.
This will allow to add more configuration variables to
that structure which will happen in an upcoming change.

Signed-off-by: Aviya Erenfeld <aviya.erenfeld@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 9dce3b1..708c3b1 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -567,7 +567,7 @@
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 			continue;
 
-		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)
+		if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
 			continue;
 
 		if (!ieee80211_sdata_running(sdata))
@@ -3147,7 +3147,7 @@
 			continue;
 
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR ||
-		    !(sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
+		    !(sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES))
 			continue;
 
 		if (prev_dev) {