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 488ef2a9a5SYOSHIFUJI Hideaki struct br_ip 498ef2a9a5SYOSHIFUJI Hideaki { 508ef2a9a5SYOSHIFUJI Hideaki union { 518ef2a9a5SYOSHIFUJI Hideaki __be32 ip4; 528ef2a9a5SYOSHIFUJI Hideaki } u; 538ef2a9a5SYOSHIFUJI Hideaki __be16 proto; 548ef2a9a5SYOSHIFUJI Hideaki }; 558ef2a9a5SYOSHIFUJI Hideaki 561da177e4SLinus Torvalds struct net_bridge_fdb_entry 571da177e4SLinus Torvalds { 581da177e4SLinus Torvalds struct hlist_node hlist; 591da177e4SLinus Torvalds struct net_bridge_port *dst; 601da177e4SLinus Torvalds 611da177e4SLinus Torvalds struct rcu_head rcu; 621da177e4SLinus Torvalds unsigned long ageing_timer; 631da177e4SLinus Torvalds mac_addr addr; 641da177e4SLinus Torvalds unsigned char is_local; 651da177e4SLinus Torvalds unsigned char is_static; 661da177e4SLinus Torvalds }; 671da177e4SLinus Torvalds 68eb1d1641SHerbert Xu struct net_bridge_port_group { 69eb1d1641SHerbert Xu struct net_bridge_port *port; 70eb1d1641SHerbert Xu struct net_bridge_port_group *next; 71eb1d1641SHerbert Xu struct hlist_node mglist; 72eb1d1641SHerbert Xu struct rcu_head rcu; 73eb1d1641SHerbert Xu struct timer_list timer; 74eb1d1641SHerbert Xu struct timer_list query_timer; 758ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 76eb1d1641SHerbert Xu u32 queries_sent; 77eb1d1641SHerbert Xu }; 78eb1d1641SHerbert Xu 79eb1d1641SHerbert Xu struct net_bridge_mdb_entry 80eb1d1641SHerbert Xu { 81eb1d1641SHerbert Xu struct hlist_node hlist[2]; 82eb1d1641SHerbert Xu struct hlist_node mglist; 83eb1d1641SHerbert Xu struct net_bridge *br; 84eb1d1641SHerbert Xu struct net_bridge_port_group *ports; 85eb1d1641SHerbert Xu struct rcu_head rcu; 86eb1d1641SHerbert Xu struct timer_list timer; 87eb1d1641SHerbert Xu struct timer_list query_timer; 888ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 89eb1d1641SHerbert Xu u32 queries_sent; 90eb1d1641SHerbert Xu }; 91eb1d1641SHerbert Xu 92eb1d1641SHerbert Xu struct net_bridge_mdb_htable 93eb1d1641SHerbert Xu { 94eb1d1641SHerbert Xu struct hlist_head *mhash; 95eb1d1641SHerbert Xu struct rcu_head rcu; 96eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 97eb1d1641SHerbert Xu u32 size; 98eb1d1641SHerbert Xu u32 max; 99eb1d1641SHerbert Xu u32 secret; 100eb1d1641SHerbert Xu u32 ver; 101eb1d1641SHerbert Xu }; 102eb1d1641SHerbert Xu 1031da177e4SLinus Torvalds struct net_bridge_port 1041da177e4SLinus Torvalds { 1051da177e4SLinus Torvalds struct net_bridge *br; 1061da177e4SLinus Torvalds struct net_device *dev; 1071da177e4SLinus Torvalds struct list_head list; 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds /* STP */ 1101da177e4SLinus Torvalds u8 priority; 1111da177e4SLinus Torvalds u8 state; 1121da177e4SLinus Torvalds u16 port_no; 1131da177e4SLinus Torvalds unsigned char topology_change_ack; 1141da177e4SLinus Torvalds unsigned char config_pending; 1151da177e4SLinus Torvalds port_id port_id; 1161da177e4SLinus Torvalds port_id designated_port; 1171da177e4SLinus Torvalds bridge_id designated_root; 1181da177e4SLinus Torvalds bridge_id designated_bridge; 1191da177e4SLinus Torvalds u32 path_cost; 1201da177e4SLinus Torvalds u32 designated_cost; 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds struct timer_list forward_delay_timer; 1231da177e4SLinus Torvalds struct timer_list hold_timer; 1241da177e4SLinus Torvalds struct timer_list message_age_timer; 1251da177e4SLinus Torvalds struct kobject kobj; 1261da177e4SLinus Torvalds struct rcu_head rcu; 1273982d3d2SFischer, Anna 1283982d3d2SFischer, Anna unsigned long flags; 1293982d3d2SFischer, Anna #define BR_HAIRPIN_MODE 0x00000001 130eb1d1641SHerbert Xu 131eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 132eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 133eb1d1641SHerbert Xu unsigned char multicast_router; 134eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 135eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 136eb1d1641SHerbert Xu struct hlist_head mglist; 137eb1d1641SHerbert Xu struct hlist_node rlist; 138eb1d1641SHerbert Xu #endif 1391da177e4SLinus Torvalds }; 1401da177e4SLinus Torvalds 1410eae88f3SEric Dumazet struct br_cpu_netstats { 1420eae88f3SEric Dumazet unsigned long rx_packets; 1430eae88f3SEric Dumazet unsigned long rx_bytes; 1440eae88f3SEric Dumazet unsigned long tx_packets; 1450eae88f3SEric Dumazet unsigned long tx_bytes; 1460eae88f3SEric Dumazet }; 1470eae88f3SEric Dumazet 1481da177e4SLinus Torvalds struct net_bridge 1491da177e4SLinus Torvalds { 1501da177e4SLinus Torvalds spinlock_t lock; 1511da177e4SLinus Torvalds struct list_head port_list; 1521da177e4SLinus Torvalds struct net_device *dev; 15314bb4789Sstephen hemminger 1540eae88f3SEric Dumazet struct br_cpu_netstats __percpu *stats; 1551da177e4SLinus Torvalds spinlock_t hash_lock; 1561da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 157edb5e46fSStephen Hemminger unsigned long feature_mask; 1584adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1594adf0af6SSimon Wunderlich struct rtable fake_rtable; 1604adf0af6SSimon Wunderlich #endif 16192c0574fSStephen Hemminger unsigned long flags; 16292c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds /* STP */ 1651da177e4SLinus Torvalds bridge_id designated_root; 1661da177e4SLinus Torvalds bridge_id bridge_id; 1671da177e4SLinus Torvalds u32 root_path_cost; 1681da177e4SLinus Torvalds unsigned long max_age; 1691da177e4SLinus Torvalds unsigned long hello_time; 1701da177e4SLinus Torvalds unsigned long forward_delay; 1711da177e4SLinus Torvalds unsigned long bridge_max_age; 1721da177e4SLinus Torvalds unsigned long ageing_time; 1731da177e4SLinus Torvalds unsigned long bridge_hello_time; 1741da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1751da177e4SLinus Torvalds 176fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1771da177e4SLinus Torvalds u16 root_port; 1789cde0708SStephen Hemminger 1799cde0708SStephen Hemminger enum { 1809cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 1819cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 1829cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 1839cde0708SStephen Hemminger } stp_enabled; 1849cde0708SStephen Hemminger 1851da177e4SLinus Torvalds unsigned char topology_change; 1861da177e4SLinus Torvalds unsigned char topology_change_detected; 1871da177e4SLinus Torvalds 188eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 189eb1d1641SHerbert Xu unsigned char multicast_router; 190eb1d1641SHerbert Xu 191eb1d1641SHerbert Xu u8 multicast_disabled:1; 192eb1d1641SHerbert Xu 193eb1d1641SHerbert Xu u32 hash_elasticity; 194eb1d1641SHerbert Xu u32 hash_max; 195eb1d1641SHerbert Xu 196eb1d1641SHerbert Xu u32 multicast_last_member_count; 197eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 198eb1d1641SHerbert Xu u32 multicast_startup_query_count; 199eb1d1641SHerbert Xu 200eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 201eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 202eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 203eb1d1641SHerbert Xu unsigned long multicast_query_interval; 204eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 205eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 206eb1d1641SHerbert Xu 207eb1d1641SHerbert Xu spinlock_t multicast_lock; 208eb1d1641SHerbert Xu struct net_bridge_mdb_htable *mdb; 209eb1d1641SHerbert Xu struct hlist_head router_list; 210eb1d1641SHerbert Xu struct hlist_head mglist; 211eb1d1641SHerbert Xu 212eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 213eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 214eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 215eb1d1641SHerbert Xu #endif 216eb1d1641SHerbert Xu 2171da177e4SLinus Torvalds struct timer_list hello_timer; 2181da177e4SLinus Torvalds struct timer_list tcn_timer; 2191da177e4SLinus Torvalds struct timer_list topology_change_timer; 2201da177e4SLinus Torvalds struct timer_list gc_timer; 22143b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2221da177e4SLinus Torvalds }; 2231da177e4SLinus Torvalds 22468b7c895SHerbert Xu struct br_input_skb_cb { 22568b7c895SHerbert Xu struct net_device *brdev; 22632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 227eb1d1641SHerbert Xu int igmp; 228eb1d1641SHerbert Xu int mrouters_only; 22932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 23068b7c895SHerbert Xu }; 23168b7c895SHerbert Xu 23268b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 23368b7c895SHerbert Xu 23432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 23532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 23632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 23732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 23832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 23932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 2401da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 241fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds /* called under bridge lock */ 2441da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2451da177e4SLinus Torvalds { 2461da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2471da177e4SLinus Torvalds } 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds /* br_device.c */ 2501da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2516fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2526fef4c0cSStephen Hemminger struct net_device *dev); 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds /* br_fdb.c */ 25587a596e0SAkinobu Mita extern int br_fdb_init(void); 2561da177e4SLinus Torvalds extern void br_fdb_fini(void); 2579cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 2581da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 2591da177e4SLinus Torvalds const unsigned char *newaddr); 2601da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 2611da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 2621a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 2631da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 2641da177e4SLinus Torvalds const unsigned char *addr); 265da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 2661da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 2671da177e4SLinus Torvalds unsigned long count, unsigned long off); 2681da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 2691da177e4SLinus Torvalds struct net_bridge_port *source, 2701da177e4SLinus Torvalds const unsigned char *addr); 2711da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 2721da177e4SLinus Torvalds struct net_bridge_port *source, 2731da177e4SLinus Torvalds const unsigned char *addr); 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds /* br_forward.c */ 2761da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 2771da177e4SLinus Torvalds struct sk_buff *skb); 2781da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 2791da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 2807f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 2811da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 282e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 283b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 284b33084beSHerbert Xu struct sk_buff *skb2); 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds /* br_if.c */ 287269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 2884aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 2894aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 290712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 2911da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 2921da177e4SLinus Torvalds struct net_device *dev); 2931da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 2941da177e4SLinus Torvalds struct net_device *dev); 2951da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 29681d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds /* br_input.c */ 2991da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 3006229e362SStephen Hemminger extern struct sk_buff *br_handle_frame(struct net_bridge_port *p, 3016229e362SStephen Hemminger struct sk_buff *skb); 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds /* br_ioctl.c */ 3041da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 305881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 3061da177e4SLinus Torvalds 307eb1d1641SHerbert Xu /* br_multicast.c */ 308eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 309eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 310eb1d1641SHerbert Xu struct net_bridge_port *port, 311eb1d1641SHerbert Xu struct sk_buff *skb); 312eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 313eb1d1641SHerbert Xu struct sk_buff *skb); 314eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 315eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 316eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 317eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 318eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 319eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 320eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 3215cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3225cb5e947SHerbert Xu struct sk_buff *skb); 3235cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3245cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3250909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3260909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 3270909e117SHerbert Xu unsigned long val); 328561f1103SHerbert Xu extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); 329b195167fSHerbert Xu extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 33085b35269SSridhar Samudrala 33185b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 33285b35269SSridhar Samudrala { 33385b35269SSridhar Samudrala return br->multicast_router == 2 || 33485b35269SSridhar Samudrala (br->multicast_router == 1 && 33585b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 33685b35269SSridhar Samudrala } 337eb1d1641SHerbert Xu #else 338eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 339eb1d1641SHerbert Xu struct net_bridge_port *port, 340eb1d1641SHerbert Xu struct sk_buff *skb) 341eb1d1641SHerbert Xu { 342eb1d1641SHerbert Xu return 0; 343eb1d1641SHerbert Xu } 344eb1d1641SHerbert Xu 345eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 346eb1d1641SHerbert Xu struct sk_buff *skb) 347eb1d1641SHerbert Xu { 348eb1d1641SHerbert Xu return NULL; 349eb1d1641SHerbert Xu } 350eb1d1641SHerbert Xu 351eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 352eb1d1641SHerbert Xu { 353eb1d1641SHerbert Xu } 354eb1d1641SHerbert Xu 355eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 356eb1d1641SHerbert Xu { 357eb1d1641SHerbert Xu } 358eb1d1641SHerbert Xu 359eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 360eb1d1641SHerbert Xu { 361eb1d1641SHerbert Xu } 362eb1d1641SHerbert Xu 363eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 364eb1d1641SHerbert Xu { 365eb1d1641SHerbert Xu } 366eb1d1641SHerbert Xu 367eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 368eb1d1641SHerbert Xu { 369eb1d1641SHerbert Xu } 370eb1d1641SHerbert Xu 371eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 372eb1d1641SHerbert Xu { 373eb1d1641SHerbert Xu } 374eb1d1641SHerbert Xu 375eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 376eb1d1641SHerbert Xu { 377eb1d1641SHerbert Xu } 3785cb5e947SHerbert Xu 3795cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3805cb5e947SHerbert Xu struct sk_buff *skb) 3815cb5e947SHerbert Xu { 3825cb5e947SHerbert Xu } 3835cb5e947SHerbert Xu 3845cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3855cb5e947SHerbert Xu struct sk_buff *skb, 3865cb5e947SHerbert Xu struct sk_buff *skb2) 3875cb5e947SHerbert Xu { 3885cb5e947SHerbert Xu } 389eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 390eb1d1641SHerbert Xu { 39185b35269SSridhar Samudrala return 0; 392eb1d1641SHerbert Xu } 39385b35269SSridhar Samudrala #endif 394eb1d1641SHerbert Xu 3951da177e4SLinus Torvalds /* br_netfilter.c */ 396c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 3971da177e4SLinus Torvalds extern int br_netfilter_init(void); 3981da177e4SLinus Torvalds extern void br_netfilter_fini(void); 3994adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 400c0909713SStephen Hemminger #else 401c0909713SStephen Hemminger #define br_netfilter_init() (0) 402c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 4034adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 404c0909713SStephen Hemminger #endif 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvalds /* br_stp.c */ 4071da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 4081da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 4091da177e4SLinus Torvalds u16 port_no); 4101da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 4111da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds /* br_stp_if.c */ 4141da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 4151da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 4169cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 4171da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 4181da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 4191da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 4204505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 4211da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 4221da177e4SLinus Torvalds u16 newprio); 4231da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 4241da177e4SLinus Torvalds u8 newprio); 4251da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 4261da177e4SLinus Torvalds u32 path_cost); 4271da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds /* br_stp_bpdu.c */ 4307c85fbf0SPatrick McHardy struct stp_proto; 4317c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 4327c85fbf0SPatrick McHardy struct net_device *dev); 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds /* br_stp_timer.c */ 4351da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 4361da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 4371da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 4381da177e4SLinus Torvalds 4391da177e4SLinus Torvalds /* br.c */ 440da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 441da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 442da678292SMichał Mirosław #endif 4431da177e4SLinus Torvalds 44411dc1f36SStephen Hemminger /* br_netlink.c */ 44532fe21c0SThomas Graf extern int br_netlink_init(void); 44611dc1f36SStephen Hemminger extern void br_netlink_fini(void); 44711dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 44811dc1f36SStephen Hemminger 4491da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 4501da177e4SLinus Torvalds /* br_sysfs_if.c */ 45152cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 4521da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds /* br_sysfs_br.c */ 4551da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 4561da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds #else 4591da177e4SLinus Torvalds 4601da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 4611da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 4621da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 4631da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds #endif 466