mac80211: add driver callback for per-interface multicast filter

Some devices have multicast filter capability for each individual
virtual interface rather than just a global one. Add an interface
specific driver callback allowing such drivers to configure this.

Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index e7db2b804e0c..d97e4305cf1e 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -431,6 +431,30 @@ TRACE_EVENT(drv_prepare_multicast,
         )
 );
 
+TRACE_EVENT(drv_set_multicast_list,
+        TP_PROTO(struct ieee80211_local *local,
+                 struct ieee80211_sub_if_data *sdata, int mc_count),
+
+        TP_ARGS(local, sdata, mc_count),
+
+        TP_STRUCT__entry(
+                LOCAL_ENTRY
+                __field(bool, allmulti)
+                __field(int, mc_count)
+        ),
+
+        TP_fast_assign(
+                LOCAL_ASSIGN;
+                __entry->allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
+                __entry->mc_count = mc_count;
+        ),
+
+        TP_printk(
+                LOCAL_PR_FMT " configure mc filter, count=%d, allmulti=%d",
+                LOCAL_PR_ARG, __entry->mc_count, __entry->allmulti
+        )
+);
+
 TRACE_EVENT(drv_configure_filter,
         TP_PROTO(struct ieee80211_local *local,
                  unsigned int changed_flags,