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, 16 insertions, 0 deletions

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 832acea4a5cb..025b7592b797 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -241,6 +241,22 @@ static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
         return ret;
 }
 
+static inline void drv_set_multicast_list(struct ieee80211_local *local,
+                                          struct ieee80211_sub_if_data *sdata,
+                                          struct netdev_hw_addr_list *mc_list)
+{
+        bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
+
+        trace_drv_set_multicast_list(local, sdata, mc_list->count);
+
+        check_sdata_in_driver(sdata);
+
+        if (local->ops->set_multicast_list)
+                local->ops->set_multicast_list(&local->hw, &sdata->vif,
+                                               allmulti, mc_list);
+        trace_drv_return_void(local);
+}
+
 static inline void drv_configure_filter(struct ieee80211_local *local,
                                         unsigned int changed_flags,
                                         unsigned int *total_flags,