1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index f65e8d250f7e..84dde1dd1da4 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -52,6 +52,9 @@ struct macvlan_pcpu_stats {
  */
 #define MAX_MACVTAP_QUEUES      (NR_CPUS < 16 ? NR_CPUS : 16)
 
+#define MACVLAN_MC_FILTER_BITS  8
+#define MACVLAN_MC_FILTER_SZ    (1 << MACVLAN_MC_FILTER_BITS)
+
 struct macvlan_dev {
         struct net_device       *dev;
         struct list_head        list;
@@ -59,6 +62,9 @@ struct macvlan_dev {
         struct macvlan_port     *port;
         struct net_device       *lowerdev;
         struct macvlan_pcpu_stats __percpu *pcpu_stats;
+
+        DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ);
+
         enum macvlan_mode       mode;
         u16                     flags;
         int (*receive)(struct sk_buff *skb);