diff options
Diffstat (limited to 'net/bridge/br_private.h')
| -rw-r--r-- | net/bridge/br_private.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index fad5a2669d3..44345c9afdd 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -57,6 +57,41 @@ struct net_bridge_fdb_entry unsigned char is_static; }; +struct net_bridge_port_group { + struct net_bridge_port *port; + struct net_bridge_port_group *next; + struct hlist_node mglist; + struct rcu_head rcu; + struct timer_list timer; + struct timer_list query_timer; + __be32 addr; + u32 queries_sent; +}; + +struct net_bridge_mdb_entry +{ + struct hlist_node hlist[2]; + struct hlist_node mglist; + struct net_bridge *br; + struct net_bridge_port_group *ports; + struct rcu_head rcu; + struct timer_list timer; + struct timer_list query_timer; + __be32 addr; + u32 queries_sent; +}; + +struct net_bridge_mdb_htable +{ + struct hlist_head *mhash; + struct rcu_head rcu; + struct net_bridge_mdb_htable *old; + u32 size; + u32 max; + u32 secret; + u32 ver; +}; + struct net_bridge_port { struct net_bridge *br; @@ -84,6 +119,15 @@ struct net_bridge_port unsigned long flags; #define BR_HAIRPIN_MODE 0x00000001 + +#ifdef CONFIG_BRIDGE_IGMP_SNOOPING + u32 multicast_startup_queries_sent; + unsigned char multicast_router; + struct timer_list multicast_router_timer; + struct timer_list multicast_query_timer; + struct hlist_head mglist; + struct hlist_node rlist; +#endif }; struct net_bridge @@ -124,6 +168,35 @@ struct net_bridge unsigned char topology_change; unsigned char topology_change_detected; +#ifdef CONFIG_BRIDGE_IGMP_SNOOPING + unsigned char multicast_router; + + u8 multicast_disabled:1; + + u32 hash_elasticity; + u32 hash_max; + + u32 multicast_last_member_count; + u32 multicast_startup_queries_sent; + u32 multicast_startup_query_count; + + unsigned long multicast_last_member_interval; + unsigned long multicast_membership_interval; + unsigned long multicast_querier_interval; + unsigned long multicast_query_interval; + unsigned long multicast_query_response_interval; + unsigned long multicast_startup_query_interval; + + spinlock_t multicast_lock; + struct net_bridge_mdb_htable *mdb; + struct hlist_head router_list; + struct hlist_head mglist; + + struct timer_list multicast_router_timer; + struct timer_list multicast_querier_timer; + struct timer_list multicast_query_timer; +#endif + struct timer_list hello_timer; struct timer_list tcn_timer; struct timer_list topology_change_timer; @@ -133,6 +206,8 @@ struct net_bridge struct br_input_skb_cb { struct net_device *brdev; + int igmp; + int mrouters_only; }; #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) @@ -204,6 +279,70 @@ extern struct sk_buff *br_handle_frame(struct net_bridge_port *p, extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); +/* br_multicast.c */ +#ifdef CONFIG_BRIDGE_IGMP_SNOOPING +extern int br_multicast_rcv(struct net_bridge *br, + struct net_bridge_port *port, + struct sk_buff *skb); +extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, + struct sk_buff *skb); +extern void br_multicast_add_port(struct net_bridge_port *port); +extern void br_multicast_del_port(struct net_bridge_port *port); +extern void br_multicast_enable_port(struct net_bridge_port *port); +extern void br_multicast_disable_port(struct net_bridge_port *port); +extern void br_multicast_init(struct net_bridge *br); +extern void br_multicast_open(struct net_bridge *br); +extern void br_multicast_stop(struct net_bridge *br); +#else +static inline int br_multicast_rcv(struct net_bridge *br, + struct net_bridge_port *port, + struct sk_buff *skb) +{ + return 0; +} + +static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, + struct sk_buff *skb) +{ + return NULL; +} + +static inline void br_multicast_add_port(struct net_bridge_port *port) +{ +} + +static inline void br_multicast_del_port(struct net_bridge_port *port) +{ +} + +static inline void br_multicast_enable_port(struct net_bridge_port *port) +{ +} + +static inline void br_multicast_disable_port(struct net_bridge_port *port) +{ +} + +static inline void br_multicast_init(struct net_bridge *br) +{ +} + +static inline void br_multicast_open(struct net_bridge *br) +{ +} + +static inline void br_multicast_stop(struct net_bridge *br) +{ +} +#endif + +static inline bool br_multicast_is_router(struct net_bridge *br) +{ + return br->multicast_router == 2 || + (br->multicast_router == 1 && + timer_pending(&br->multicast_router_timer)); +} + /* br_netfilter.c */ #ifdef CONFIG_BRIDGE_NETFILTER extern int br_netfilter_init(void); |