diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index f7ef5f2b825bbe60cabca029693a2125783899a0..3fefff97454064e21fabdda22fb3f4951747c801 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -238,7 +238,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
 	p->path_cost = port_cost(dev);
 	p->priority = 0x8000 >> BR_PORT_BITS;
 	p->port_no = index;
-	p->flags = BR_LEARNING | BR_FLOOD;
+	p->flags = BR_LEARNING | BR_FLOOD | BR_PROMISC;
 	br_init_port(p);
 	p->state = BR_STATE_DISABLED;
 	br_stp_port_timer_init(p);
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index c0a804b5ff0848bd1235192ae554dc42bc44f18b..00922a4fa7952f3eee465ee20a8e19ae2d74e95b 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -175,6 +175,7 @@ struct net_bridge_port
 #define BR_LEARNING		0x00000020
 #define BR_FLOOD		0x00000040
 #define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
+#define BR_PROMISC		0x00000080
 
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
 	struct bridge_mcast_query	ip4_query;
@@ -200,6 +201,7 @@ struct net_bridge_port
 };
 
 #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK)
+#define br_promisc_port(p) ((p)->flags & BR_PROMISC)
 
 #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT)