diff options
Diffstat (limited to 'net/bridge/br_private.h')
| -rw-r--r-- | net/bridge/br_private.h | 173 |
1 files changed, 171 insertions, 2 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 2114e45682e..1cf2cef7858 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 @@ -93,7 +137,6 @@ struct net_bridge struct net_device *dev; spinlock_t hash_lock; struct hlist_head hash[BR_HASH_SIZE]; - struct list_head age_list; unsigned long feature_mask; #ifdef CONFIG_BRIDGE_NETFILTER struct rtable fake_rtable; @@ -125,6 +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; @@ -132,6 +204,14 @@ struct net_bridge struct kobject *ifobj; }; +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) + extern struct notifier_block br_device_notifier; extern const u8 br_group_address[ETH_ALEN]; @@ -175,7 +255,8 @@ extern void br_forward(const struct net_bridge_port *to, struct sk_buff *skb); extern int br_forward_finish(struct sk_buff *skb); extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); -extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb); +extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, + struct sk_buff *skb2); /* br_if.c */ extern void br_port_carrier_check(struct net_bridge_port *p); @@ -198,6 +279,94 @@ 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); +extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, + struct sk_buff *skb); +extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, + struct sk_buff *skb, struct sk_buff *skb2); +extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); +extern int br_multicast_set_port_router(struct net_bridge_port *p, + unsigned long val); +extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); +extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); + +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)); +} +#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) +{ +} + +static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, + struct sk_buff *skb) +{ +} + +static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, + struct sk_buff *skb, + struct sk_buff *skb2) +{ +} +static inline bool br_multicast_is_router(struct net_bridge *br) +{ + return 0; +} +#endif + /* br_netfilter.c */ #ifdef CONFIG_BRIDGE_NETFILTER extern int br_netfilter_init(void); 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