11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Linux ethernet bridge 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Authors: 51da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or 81da177e4SLinus Torvalds * modify it under the terms of the GNU General Public License 91da177e4SLinus Torvalds * as published by the Free Software Foundation; either version 101da177e4SLinus Torvalds * 2 of the License, or (at your option) any later version. 111da177e4SLinus Torvalds */ 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 141da177e4SLinus Torvalds #define _BR_PRIVATE_H 151da177e4SLinus Torvalds 161da177e4SLinus Torvalds #include <linux/netdevice.h> 171da177e4SLinus Torvalds #include <linux/if_bridge.h> 184adf0af6SSimon Wunderlich #include <net/route.h> 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds #define BR_HASH_BITS 8 211da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_PORT_BITS 10 261da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 271da177e4SLinus Torvalds 289cde0708SStephen Hemminger #define BR_VERSION "2.3" 299cde0708SStephen Hemminger 309cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 319cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 328cbb512eSStephen Hemminger 331da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 341da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 351da177e4SLinus Torvalds typedef __u16 port_id; 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds struct bridge_id 381da177e4SLinus Torvalds { 391da177e4SLinus Torvalds unsigned char prio[2]; 401da177e4SLinus Torvalds unsigned char addr[6]; 411da177e4SLinus Torvalds }; 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds struct mac_addr 441da177e4SLinus Torvalds { 451da177e4SLinus Torvalds unsigned char addr[6]; 461da177e4SLinus Torvalds }; 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds struct net_bridge_fdb_entry 491da177e4SLinus Torvalds { 501da177e4SLinus Torvalds struct hlist_node hlist; 511da177e4SLinus Torvalds struct net_bridge_port *dst; 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds struct rcu_head rcu; 541da177e4SLinus Torvalds unsigned long ageing_timer; 551da177e4SLinus Torvalds mac_addr addr; 561da177e4SLinus Torvalds unsigned char is_local; 571da177e4SLinus Torvalds unsigned char is_static; 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 60eb1d1641SHerbert Xu struct net_bridge_port_group { 61eb1d1641SHerbert Xu struct net_bridge_port *port; 62eb1d1641SHerbert Xu struct net_bridge_port_group *next; 63eb1d1641SHerbert Xu struct hlist_node mglist; 64eb1d1641SHerbert Xu struct rcu_head rcu; 65eb1d1641SHerbert Xu struct timer_list timer; 66eb1d1641SHerbert Xu struct timer_list query_timer; 67eb1d1641SHerbert Xu __be32 addr; 68eb1d1641SHerbert Xu u32 queries_sent; 69eb1d1641SHerbert Xu }; 70eb1d1641SHerbert Xu 71eb1d1641SHerbert Xu struct net_bridge_mdb_entry 72eb1d1641SHerbert Xu { 73eb1d1641SHerbert Xu struct hlist_node hlist[2]; 74eb1d1641SHerbert Xu struct hlist_node mglist; 75eb1d1641SHerbert Xu struct net_bridge *br; 76eb1d1641SHerbert Xu struct net_bridge_port_group *ports; 77eb1d1641SHerbert Xu struct rcu_head rcu; 78eb1d1641SHerbert Xu struct timer_list timer; 79eb1d1641SHerbert Xu struct timer_list query_timer; 80eb1d1641SHerbert Xu __be32 addr; 81eb1d1641SHerbert Xu u32 queries_sent; 82eb1d1641SHerbert Xu }; 83eb1d1641SHerbert Xu 84eb1d1641SHerbert Xu struct net_bridge_mdb_htable 85eb1d1641SHerbert Xu { 86eb1d1641SHerbert Xu struct hlist_head *mhash; 87eb1d1641SHerbert Xu struct rcu_head rcu; 88eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 89eb1d1641SHerbert Xu u32 size; 90eb1d1641SHerbert Xu u32 max; 91eb1d1641SHerbert Xu u32 secret; 92eb1d1641SHerbert Xu u32 ver; 93eb1d1641SHerbert Xu }; 94eb1d1641SHerbert Xu 951da177e4SLinus Torvalds struct net_bridge_port 961da177e4SLinus Torvalds { 971da177e4SLinus Torvalds struct net_bridge *br; 981da177e4SLinus Torvalds struct net_device *dev; 991da177e4SLinus Torvalds struct list_head list; 1001da177e4SLinus Torvalds 1011da177e4SLinus Torvalds /* STP */ 1021da177e4SLinus Torvalds u8 priority; 1031da177e4SLinus Torvalds u8 state; 1041da177e4SLinus Torvalds u16 port_no; 1051da177e4SLinus Torvalds unsigned char topology_change_ack; 1061da177e4SLinus Torvalds unsigned char config_pending; 1071da177e4SLinus Torvalds port_id port_id; 1081da177e4SLinus Torvalds port_id designated_port; 1091da177e4SLinus Torvalds bridge_id designated_root; 1101da177e4SLinus Torvalds bridge_id designated_bridge; 1111da177e4SLinus Torvalds u32 path_cost; 1121da177e4SLinus Torvalds u32 designated_cost; 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds struct timer_list forward_delay_timer; 1151da177e4SLinus Torvalds struct timer_list hold_timer; 1161da177e4SLinus Torvalds struct timer_list message_age_timer; 1171da177e4SLinus Torvalds struct kobject kobj; 1181da177e4SLinus Torvalds struct rcu_head rcu; 1193982d3d2SFischer, Anna 1203982d3d2SFischer, Anna unsigned long flags; 1213982d3d2SFischer, Anna #define BR_HAIRPIN_MODE 0x00000001 122eb1d1641SHerbert Xu 123eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 124eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 125eb1d1641SHerbert Xu unsigned char multicast_router; 126eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 127eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 128eb1d1641SHerbert Xu struct hlist_head mglist; 129eb1d1641SHerbert Xu struct hlist_node rlist; 130eb1d1641SHerbert Xu #endif 1311da177e4SLinus Torvalds }; 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds struct net_bridge 1341da177e4SLinus Torvalds { 1351da177e4SLinus Torvalds spinlock_t lock; 1361da177e4SLinus Torvalds struct list_head port_list; 1371da177e4SLinus Torvalds struct net_device *dev; 1381da177e4SLinus Torvalds spinlock_t hash_lock; 1391da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 140edb5e46fSStephen Hemminger unsigned long feature_mask; 1414adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1424adf0af6SSimon Wunderlich struct rtable fake_rtable; 1434adf0af6SSimon Wunderlich #endif 14492c0574fSStephen Hemminger unsigned long flags; 14592c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds /* STP */ 1481da177e4SLinus Torvalds bridge_id designated_root; 1491da177e4SLinus Torvalds bridge_id bridge_id; 1501da177e4SLinus Torvalds u32 root_path_cost; 1511da177e4SLinus Torvalds unsigned long max_age; 1521da177e4SLinus Torvalds unsigned long hello_time; 1531da177e4SLinus Torvalds unsigned long forward_delay; 1541da177e4SLinus Torvalds unsigned long bridge_max_age; 1551da177e4SLinus Torvalds unsigned long ageing_time; 1561da177e4SLinus Torvalds unsigned long bridge_hello_time; 1571da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1581da177e4SLinus Torvalds 159fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1601da177e4SLinus Torvalds u16 root_port; 1619cde0708SStephen Hemminger 1629cde0708SStephen Hemminger enum { 1639cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 1649cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 1659cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 1669cde0708SStephen Hemminger } stp_enabled; 1679cde0708SStephen Hemminger 1681da177e4SLinus Torvalds unsigned char topology_change; 1691da177e4SLinus Torvalds unsigned char topology_change_detected; 1701da177e4SLinus Torvalds 171eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 172eb1d1641SHerbert Xu unsigned char multicast_router; 173eb1d1641SHerbert Xu 174eb1d1641SHerbert Xu u8 multicast_disabled:1; 175eb1d1641SHerbert Xu 176eb1d1641SHerbert Xu u32 hash_elasticity; 177eb1d1641SHerbert Xu u32 hash_max; 178eb1d1641SHerbert Xu 179eb1d1641SHerbert Xu u32 multicast_last_member_count; 180eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 181eb1d1641SHerbert Xu u32 multicast_startup_query_count; 182eb1d1641SHerbert Xu 183eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 184eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 185eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 186eb1d1641SHerbert Xu unsigned long multicast_query_interval; 187eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 188eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 189eb1d1641SHerbert Xu 190eb1d1641SHerbert Xu spinlock_t multicast_lock; 191eb1d1641SHerbert Xu struct net_bridge_mdb_htable *mdb; 192eb1d1641SHerbert Xu struct hlist_head router_list; 193eb1d1641SHerbert Xu struct hlist_head mglist; 194eb1d1641SHerbert Xu 195eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 196eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 197eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 198eb1d1641SHerbert Xu #endif 199eb1d1641SHerbert Xu 2001da177e4SLinus Torvalds struct timer_list hello_timer; 2011da177e4SLinus Torvalds struct timer_list tcn_timer; 2021da177e4SLinus Torvalds struct timer_list topology_change_timer; 2031da177e4SLinus Torvalds struct timer_list gc_timer; 20443b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2051da177e4SLinus Torvalds }; 2061da177e4SLinus Torvalds 20768b7c895SHerbert Xu struct br_input_skb_cb { 20868b7c895SHerbert Xu struct net_device *brdev; 209eb1d1641SHerbert Xu int igmp; 210eb1d1641SHerbert Xu int mrouters_only; 21168b7c895SHerbert Xu }; 21268b7c895SHerbert Xu 21368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 21468b7c895SHerbert Xu 2151da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 216fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2171da177e4SLinus Torvalds 2181da177e4SLinus Torvalds /* called under bridge lock */ 2191da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2201da177e4SLinus Torvalds { 2211da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2221da177e4SLinus Torvalds } 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds /* br_device.c */ 2251da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2266fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2276fef4c0cSStephen Hemminger struct net_device *dev); 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds /* br_fdb.c */ 23087a596e0SAkinobu Mita extern int br_fdb_init(void); 2311da177e4SLinus Torvalds extern void br_fdb_fini(void); 2329cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 2331da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 2341da177e4SLinus Torvalds const unsigned char *newaddr); 2351da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 2361da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 2371a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 2381da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 2391da177e4SLinus Torvalds const unsigned char *addr); 240da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 2411da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 2421da177e4SLinus Torvalds unsigned long count, unsigned long off); 2431da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 2441da177e4SLinus Torvalds struct net_bridge_port *source, 2451da177e4SLinus Torvalds const unsigned char *addr); 2461da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 2471da177e4SLinus Torvalds struct net_bridge_port *source, 2481da177e4SLinus Torvalds const unsigned char *addr); 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds /* br_forward.c */ 2511da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 2521da177e4SLinus Torvalds struct sk_buff *skb); 2531da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 2541da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 2551da177e4SLinus Torvalds struct sk_buff *skb); 2561da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 257e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 258b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 259b33084beSHerbert Xu struct sk_buff *skb2); 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds /* br_if.c */ 262269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 2634aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 2644aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 265712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 2661da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 2671da177e4SLinus Torvalds struct net_device *dev); 2681da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 2691da177e4SLinus Torvalds struct net_device *dev); 2701da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 27181d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds /* br_input.c */ 2741da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 2756229e362SStephen Hemminger extern struct sk_buff *br_handle_frame(struct net_bridge_port *p, 2766229e362SStephen Hemminger struct sk_buff *skb); 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds /* br_ioctl.c */ 2791da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 280881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 2811da177e4SLinus Torvalds 282eb1d1641SHerbert Xu /* br_multicast.c */ 283eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 284eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 285eb1d1641SHerbert Xu struct net_bridge_port *port, 286eb1d1641SHerbert Xu struct sk_buff *skb); 287eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 288eb1d1641SHerbert Xu struct sk_buff *skb); 289eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 290eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 291eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 292eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 293eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 294eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 295eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 2965cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 2975cb5e947SHerbert Xu struct sk_buff *skb); 2985cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 2995cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3000909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3010909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 3020909e117SHerbert Xu unsigned long val); 303eb1d1641SHerbert Xu #else 304eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 305eb1d1641SHerbert Xu struct net_bridge_port *port, 306eb1d1641SHerbert Xu struct sk_buff *skb) 307eb1d1641SHerbert Xu { 308eb1d1641SHerbert Xu return 0; 309eb1d1641SHerbert Xu } 310eb1d1641SHerbert Xu 311eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 312eb1d1641SHerbert Xu struct sk_buff *skb) 313eb1d1641SHerbert Xu { 314eb1d1641SHerbert Xu return NULL; 315eb1d1641SHerbert Xu } 316eb1d1641SHerbert Xu 317eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 318eb1d1641SHerbert Xu { 319eb1d1641SHerbert Xu } 320eb1d1641SHerbert Xu 321eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 322eb1d1641SHerbert Xu { 323eb1d1641SHerbert Xu } 324eb1d1641SHerbert Xu 325eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 326eb1d1641SHerbert Xu { 327eb1d1641SHerbert Xu } 328eb1d1641SHerbert Xu 329eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 330eb1d1641SHerbert Xu { 331eb1d1641SHerbert Xu } 332eb1d1641SHerbert Xu 333eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 334eb1d1641SHerbert Xu { 335eb1d1641SHerbert Xu } 336eb1d1641SHerbert Xu 337eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 338eb1d1641SHerbert Xu { 339eb1d1641SHerbert Xu } 340eb1d1641SHerbert Xu 341eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 342eb1d1641SHerbert Xu { 343eb1d1641SHerbert Xu } 3445cb5e947SHerbert Xu 3455cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3465cb5e947SHerbert Xu struct sk_buff *skb) 3475cb5e947SHerbert Xu { 3485cb5e947SHerbert Xu } 3495cb5e947SHerbert Xu 3505cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3515cb5e947SHerbert Xu struct sk_buff *skb, 3525cb5e947SHerbert Xu struct sk_buff *skb2) 3535cb5e947SHerbert Xu { 3545cb5e947SHerbert Xu } 355eb1d1641SHerbert Xu #endif 356eb1d1641SHerbert Xu 357eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 358eb1d1641SHerbert Xu { 359eb1d1641SHerbert Xu return br->multicast_router == 2 || 360eb1d1641SHerbert Xu (br->multicast_router == 1 && 361eb1d1641SHerbert Xu timer_pending(&br->multicast_router_timer)); 362eb1d1641SHerbert Xu } 363eb1d1641SHerbert Xu 3641da177e4SLinus Torvalds /* br_netfilter.c */ 365c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 3661da177e4SLinus Torvalds extern int br_netfilter_init(void); 3671da177e4SLinus Torvalds extern void br_netfilter_fini(void); 3684adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 369c0909713SStephen Hemminger #else 370c0909713SStephen Hemminger #define br_netfilter_init() (0) 371c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 3724adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 373c0909713SStephen Hemminger #endif 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvalds /* br_stp.c */ 3761da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 3771da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 3781da177e4SLinus Torvalds u16 port_no); 3791da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 3801da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds /* br_stp_if.c */ 3831da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 3841da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 3859cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 3861da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 3871da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 3881da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 3894505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 3901da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 3911da177e4SLinus Torvalds u16 newprio); 3921da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 3931da177e4SLinus Torvalds u8 newprio); 3941da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 3951da177e4SLinus Torvalds u32 path_cost); 3961da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds /* br_stp_bpdu.c */ 3997c85fbf0SPatrick McHardy struct stp_proto; 4007c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 4017c85fbf0SPatrick McHardy struct net_device *dev); 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvalds /* br_stp_timer.c */ 4041da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 4051da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 4061da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds /* br.c */ 409da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 410da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 411da678292SMichał Mirosław #endif 4121da177e4SLinus Torvalds 41311dc1f36SStephen Hemminger /* br_netlink.c */ 41432fe21c0SThomas Graf extern int br_netlink_init(void); 41511dc1f36SStephen Hemminger extern void br_netlink_fini(void); 41611dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 41711dc1f36SStephen Hemminger 4181da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 4191da177e4SLinus Torvalds /* br_sysfs_if.c */ 420bab1deeaSStephen Hemminger extern struct sysfs_ops brport_sysfs_ops; 4211da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds /* br_sysfs_br.c */ 4241da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 4251da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 4261da177e4SLinus Torvalds 4271da177e4SLinus Torvalds #else 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 4301da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 4311da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 4321da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds #endif 435