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 1330eae88f3SEric Dumazet struct br_cpu_netstats { 1340eae88f3SEric Dumazet unsigned long rx_packets; 1350eae88f3SEric Dumazet unsigned long rx_bytes; 1360eae88f3SEric Dumazet unsigned long tx_packets; 1370eae88f3SEric Dumazet unsigned long tx_bytes; 1380eae88f3SEric Dumazet }; 1390eae88f3SEric Dumazet 1401da177e4SLinus Torvalds struct net_bridge 1411da177e4SLinus Torvalds { 1421da177e4SLinus Torvalds spinlock_t lock; 1431da177e4SLinus Torvalds struct list_head port_list; 1441da177e4SLinus Torvalds struct net_device *dev; 14514bb4789Sstephen hemminger 1460eae88f3SEric Dumazet struct br_cpu_netstats __percpu *stats; 1471da177e4SLinus Torvalds spinlock_t hash_lock; 1481da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 149edb5e46fSStephen Hemminger unsigned long feature_mask; 1504adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1514adf0af6SSimon Wunderlich struct rtable fake_rtable; 1524adf0af6SSimon Wunderlich #endif 15392c0574fSStephen Hemminger unsigned long flags; 15492c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds /* STP */ 1571da177e4SLinus Torvalds bridge_id designated_root; 1581da177e4SLinus Torvalds bridge_id bridge_id; 1591da177e4SLinus Torvalds u32 root_path_cost; 1601da177e4SLinus Torvalds unsigned long max_age; 1611da177e4SLinus Torvalds unsigned long hello_time; 1621da177e4SLinus Torvalds unsigned long forward_delay; 1631da177e4SLinus Torvalds unsigned long bridge_max_age; 1641da177e4SLinus Torvalds unsigned long ageing_time; 1651da177e4SLinus Torvalds unsigned long bridge_hello_time; 1661da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1671da177e4SLinus Torvalds 168fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1691da177e4SLinus Torvalds u16 root_port; 1709cde0708SStephen Hemminger 1719cde0708SStephen Hemminger enum { 1729cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 1739cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 1749cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 1759cde0708SStephen Hemminger } stp_enabled; 1769cde0708SStephen Hemminger 1771da177e4SLinus Torvalds unsigned char topology_change; 1781da177e4SLinus Torvalds unsigned char topology_change_detected; 1791da177e4SLinus Torvalds 180eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 181eb1d1641SHerbert Xu unsigned char multicast_router; 182eb1d1641SHerbert Xu 183eb1d1641SHerbert Xu u8 multicast_disabled:1; 184eb1d1641SHerbert Xu 185eb1d1641SHerbert Xu u32 hash_elasticity; 186eb1d1641SHerbert Xu u32 hash_max; 187eb1d1641SHerbert Xu 188eb1d1641SHerbert Xu u32 multicast_last_member_count; 189eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 190eb1d1641SHerbert Xu u32 multicast_startup_query_count; 191eb1d1641SHerbert Xu 192eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 193eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 194eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 195eb1d1641SHerbert Xu unsigned long multicast_query_interval; 196eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 197eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 198eb1d1641SHerbert Xu 199eb1d1641SHerbert Xu spinlock_t multicast_lock; 200eb1d1641SHerbert Xu struct net_bridge_mdb_htable *mdb; 201eb1d1641SHerbert Xu struct hlist_head router_list; 202eb1d1641SHerbert Xu struct hlist_head mglist; 203eb1d1641SHerbert Xu 204eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 205eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 206eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 207eb1d1641SHerbert Xu #endif 208eb1d1641SHerbert Xu 2091da177e4SLinus Torvalds struct timer_list hello_timer; 2101da177e4SLinus Torvalds struct timer_list tcn_timer; 2111da177e4SLinus Torvalds struct timer_list topology_change_timer; 2121da177e4SLinus Torvalds struct timer_list gc_timer; 21343b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2141da177e4SLinus Torvalds }; 2151da177e4SLinus Torvalds 21668b7c895SHerbert Xu struct br_input_skb_cb { 21768b7c895SHerbert Xu struct net_device *brdev; 21832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 219eb1d1641SHerbert Xu int igmp; 220eb1d1641SHerbert Xu int mrouters_only; 22132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 22268b7c895SHerbert Xu }; 22368b7c895SHerbert Xu 22468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 22568b7c895SHerbert Xu 22632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 22732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 22832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 22932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 23032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 23132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 2321da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 233fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds /* called under bridge lock */ 2361da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2371da177e4SLinus Torvalds { 2381da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2391da177e4SLinus Torvalds } 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvalds /* br_device.c */ 2421da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2436fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2446fef4c0cSStephen Hemminger struct net_device *dev); 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds /* br_fdb.c */ 24787a596e0SAkinobu Mita extern int br_fdb_init(void); 2481da177e4SLinus Torvalds extern void br_fdb_fini(void); 2499cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 2501da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 2511da177e4SLinus Torvalds const unsigned char *newaddr); 2521da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 2531da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 2541a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 2551da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 2561da177e4SLinus Torvalds const unsigned char *addr); 257da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 2581da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 2591da177e4SLinus Torvalds unsigned long count, unsigned long off); 2601da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 2611da177e4SLinus Torvalds struct net_bridge_port *source, 2621da177e4SLinus Torvalds const unsigned char *addr); 2631da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 2641da177e4SLinus Torvalds struct net_bridge_port *source, 2651da177e4SLinus Torvalds const unsigned char *addr); 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds /* br_forward.c */ 2681da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 2691da177e4SLinus Torvalds struct sk_buff *skb); 2701da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 2711da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 2727f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 2731da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 274e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 275b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 276b33084beSHerbert Xu struct sk_buff *skb2); 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds /* br_if.c */ 279269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 2804aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 2814aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 282712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 2831da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 2841da177e4SLinus Torvalds struct net_device *dev); 2851da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 2861da177e4SLinus Torvalds struct net_device *dev); 2871da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 28881d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds /* br_input.c */ 2911da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 2926229e362SStephen Hemminger extern struct sk_buff *br_handle_frame(struct net_bridge_port *p, 2936229e362SStephen Hemminger struct sk_buff *skb); 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds /* br_ioctl.c */ 2961da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 297881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 2981da177e4SLinus Torvalds 299eb1d1641SHerbert Xu /* br_multicast.c */ 300eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 301eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 302eb1d1641SHerbert Xu struct net_bridge_port *port, 303eb1d1641SHerbert Xu struct sk_buff *skb); 304eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 305eb1d1641SHerbert Xu struct sk_buff *skb); 306eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 307eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 308eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 309eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 310eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 311eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 312eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 3135cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3145cb5e947SHerbert Xu struct sk_buff *skb); 3155cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3165cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3170909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3180909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 3190909e117SHerbert Xu unsigned long val); 320561f1103SHerbert Xu extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); 321b195167fSHerbert Xu extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 32285b35269SSridhar Samudrala 32385b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 32485b35269SSridhar Samudrala { 32585b35269SSridhar Samudrala return br->multicast_router == 2 || 32685b35269SSridhar Samudrala (br->multicast_router == 1 && 32785b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 32885b35269SSridhar Samudrala } 329eb1d1641SHerbert Xu #else 330eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 331eb1d1641SHerbert Xu struct net_bridge_port *port, 332eb1d1641SHerbert Xu struct sk_buff *skb) 333eb1d1641SHerbert Xu { 334eb1d1641SHerbert Xu return 0; 335eb1d1641SHerbert Xu } 336eb1d1641SHerbert Xu 337eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 338eb1d1641SHerbert Xu struct sk_buff *skb) 339eb1d1641SHerbert Xu { 340eb1d1641SHerbert Xu return NULL; 341eb1d1641SHerbert Xu } 342eb1d1641SHerbert Xu 343eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 344eb1d1641SHerbert Xu { 345eb1d1641SHerbert Xu } 346eb1d1641SHerbert Xu 347eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 348eb1d1641SHerbert Xu { 349eb1d1641SHerbert Xu } 350eb1d1641SHerbert Xu 351eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 352eb1d1641SHerbert Xu { 353eb1d1641SHerbert Xu } 354eb1d1641SHerbert Xu 355eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 356eb1d1641SHerbert Xu { 357eb1d1641SHerbert Xu } 358eb1d1641SHerbert Xu 359eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 360eb1d1641SHerbert Xu { 361eb1d1641SHerbert Xu } 362eb1d1641SHerbert Xu 363eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 364eb1d1641SHerbert Xu { 365eb1d1641SHerbert Xu } 366eb1d1641SHerbert Xu 367eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 368eb1d1641SHerbert Xu { 369eb1d1641SHerbert Xu } 3705cb5e947SHerbert Xu 3715cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3725cb5e947SHerbert Xu struct sk_buff *skb) 3735cb5e947SHerbert Xu { 3745cb5e947SHerbert Xu } 3755cb5e947SHerbert Xu 3765cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3775cb5e947SHerbert Xu struct sk_buff *skb, 3785cb5e947SHerbert Xu struct sk_buff *skb2) 3795cb5e947SHerbert Xu { 3805cb5e947SHerbert Xu } 381eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 382eb1d1641SHerbert Xu { 38385b35269SSridhar Samudrala return 0; 384eb1d1641SHerbert Xu } 38585b35269SSridhar Samudrala #endif 386eb1d1641SHerbert Xu 3871da177e4SLinus Torvalds /* br_netfilter.c */ 388c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 3891da177e4SLinus Torvalds extern int br_netfilter_init(void); 3901da177e4SLinus Torvalds extern void br_netfilter_fini(void); 3914adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 392c0909713SStephen Hemminger #else 393c0909713SStephen Hemminger #define br_netfilter_init() (0) 394c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 3954adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 396c0909713SStephen Hemminger #endif 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds /* br_stp.c */ 3991da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 4001da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 4011da177e4SLinus Torvalds u16 port_no); 4021da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 4031da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds /* br_stp_if.c */ 4061da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 4071da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 4089cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 4091da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 4101da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 4111da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 4124505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 4131da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 4141da177e4SLinus Torvalds u16 newprio); 4151da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 4161da177e4SLinus Torvalds u8 newprio); 4171da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 4181da177e4SLinus Torvalds u32 path_cost); 4191da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds /* br_stp_bpdu.c */ 4227c85fbf0SPatrick McHardy struct stp_proto; 4237c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 4247c85fbf0SPatrick McHardy struct net_device *dev); 4251da177e4SLinus Torvalds 4261da177e4SLinus Torvalds /* br_stp_timer.c */ 4271da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 4281da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 4291da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 4301da177e4SLinus Torvalds 4311da177e4SLinus Torvalds /* br.c */ 432da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 433da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 434da678292SMichał Mirosław #endif 4351da177e4SLinus Torvalds 43611dc1f36SStephen Hemminger /* br_netlink.c */ 43732fe21c0SThomas Graf extern int br_netlink_init(void); 43811dc1f36SStephen Hemminger extern void br_netlink_fini(void); 43911dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 44011dc1f36SStephen Hemminger 4411da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 4421da177e4SLinus Torvalds /* br_sysfs_if.c */ 44352cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 4441da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds /* br_sysfs_br.c */ 4471da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 4481da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds #else 4511da177e4SLinus Torvalds 4521da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 4531da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 4541da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 4551da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 4561da177e4SLinus Torvalds 4571da177e4SLinus Torvalds #endif 458