+ if (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) {
+ bitmap_fill(vlan->mc_filter, MACVLAN_MC_FILTER_SZ);
+ } else {
+ struct netdev_hw_addr *ha;
+ DECLARE_BITMAP(filter, MACVLAN_MC_FILTER_SZ);
+
+ bitmap_zero(filter, MACVLAN_MC_FILTER_SZ);
+ netdev_for_each_mc_addr(ha, dev) {
+ __set_bit(mc_hash(vlan, ha->addr), filter);
+ }
+
+ __set_bit(mc_hash(vlan, dev->broadcast), filter);
+
+ bitmap_copy(vlan->mc_filter, filter, MACVLAN_MC_FILTER_SZ);
+ }