#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;
};
#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)