mac80211: make remain_on_channel() op pass vif param

Drivers (e.g. wl12xx) might need to know the vif
to roc on (mainly in order to configure the
rx filters correctly).

Add the vif to the op params, and update the current
users (iwlwifi) to use the new api.

Signed-off-by: Eliad Peller <eliad@wizery.com>
[fix hwsim]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 758836c..e9579b7 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1019,13 +1019,16 @@
 );
 
 TRACE_EVENT(drv_remain_on_channel,
-	TP_PROTO(struct ieee80211_local *local, struct ieee80211_channel *chan,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_sub_if_data *sdata,
+		 struct ieee80211_channel *chan,
 		 enum nl80211_channel_type chantype, unsigned int duration),
 
-	TP_ARGS(local, chan, chantype, duration),
+	TP_ARGS(local, sdata, chan, chantype, duration),
 
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
+		VIF_ENTRY
 		__field(int, center_freq)
 		__field(int, channel_type)
 		__field(unsigned int, duration)
@@ -1033,14 +1036,16 @@
 
 	TP_fast_assign(
 		LOCAL_ASSIGN;
+		VIF_ASSIGN;
 		__entry->center_freq = chan->center_freq;
 		__entry->channel_type = chantype;
 		__entry->duration = duration;
 	),
 
 	TP_printk(
-		LOCAL_PR_FMT " freq:%dMHz duration:%dms",
-		LOCAL_PR_ARG, __entry->center_freq, __entry->duration
+		LOCAL_PR_FMT  VIF_PR_FMT " freq:%dMHz duration:%dms",
+		LOCAL_PR_ARG, VIF_PR_ARG,
+		__entry->center_freq, __entry->duration
 	)
 );