diff options
Diffstat (limited to 'net/bridge/br_private.h')
| -rw-r--r-- | net/bridge/br_private.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 2807c7680c38..f21a739a6186 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -434,10 +434,33 @@ extern int br_multicast_set_port_router(struct net_bridge_port *p, extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); extern int br_multicast_set_querier(struct net_bridge *br, unsigned long val); extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); +extern struct net_bridge_mdb_entry *br_mdb_ip_get( + struct net_bridge_mdb_htable *mdb, + struct br_ip *dst); +extern struct net_bridge_mdb_entry *br_multicast_new_group(struct net_bridge *br, + struct net_bridge_port *port, struct br_ip *group); +extern void br_multicast_free_pg(struct rcu_head *head); +extern struct net_bridge_port_group *br_multicast_new_port_group( + struct net_bridge_port *port, + struct br_ip *group, + struct net_bridge_port_group *next); extern void br_mdb_init(void); extern void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, struct br_ip *group, int type); +#define mlock_dereference(X, br) \ + rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) + +#if IS_ENABLED(CONFIG_IPV6) +#include <net/addrconf.h> +static inline int ipv6_is_transient_multicast(const struct in6_addr *addr) +{ + if (ipv6_addr_is_multicast(addr) && IPV6_ADDR_MC_FLAG_TRANSIENT(addr)) + return 1; + return 0; +} +#endif + static inline bool br_multicast_is_router(struct net_bridge *br) { return br->multicast_router == 2 || |