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; 5208b202b6SYOSHIFUJI Hideaki #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) 5308b202b6SYOSHIFUJI Hideaki struct in6_addr ip6; 5408b202b6SYOSHIFUJI Hideaki #endif 558ef2a9a5SYOSHIFUJI Hideaki } u; 568ef2a9a5SYOSHIFUJI Hideaki __be16 proto; 578ef2a9a5SYOSHIFUJI Hideaki }; 588ef2a9a5SYOSHIFUJI Hideaki 591da177e4SLinus Torvalds struct net_bridge_fdb_entry 601da177e4SLinus Torvalds { 611da177e4SLinus Torvalds struct hlist_node hlist; 621da177e4SLinus Torvalds struct net_bridge_port *dst; 631da177e4SLinus Torvalds 641da177e4SLinus Torvalds struct rcu_head rcu; 651da177e4SLinus Torvalds unsigned long ageing_timer; 661da177e4SLinus Torvalds mac_addr addr; 671da177e4SLinus Torvalds unsigned char is_local; 681da177e4SLinus Torvalds unsigned char is_static; 691da177e4SLinus Torvalds }; 701da177e4SLinus Torvalds 71eb1d1641SHerbert Xu struct net_bridge_port_group { 72eb1d1641SHerbert Xu struct net_bridge_port *port; 73eb1d1641SHerbert Xu struct net_bridge_port_group *next; 74eb1d1641SHerbert Xu struct hlist_node mglist; 75eb1d1641SHerbert Xu struct rcu_head rcu; 76eb1d1641SHerbert Xu struct timer_list timer; 77eb1d1641SHerbert Xu struct timer_list query_timer; 788ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 79eb1d1641SHerbert Xu u32 queries_sent; 80eb1d1641SHerbert Xu }; 81eb1d1641SHerbert Xu 82eb1d1641SHerbert Xu struct net_bridge_mdb_entry 83eb1d1641SHerbert Xu { 84eb1d1641SHerbert Xu struct hlist_node hlist[2]; 85eb1d1641SHerbert Xu struct hlist_node mglist; 86eb1d1641SHerbert Xu struct net_bridge *br; 87eb1d1641SHerbert Xu struct net_bridge_port_group *ports; 88eb1d1641SHerbert Xu struct rcu_head rcu; 89eb1d1641SHerbert Xu struct timer_list timer; 90eb1d1641SHerbert Xu struct timer_list query_timer; 918ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 92eb1d1641SHerbert Xu u32 queries_sent; 93eb1d1641SHerbert Xu }; 94eb1d1641SHerbert Xu 95eb1d1641SHerbert Xu struct net_bridge_mdb_htable 96eb1d1641SHerbert Xu { 97eb1d1641SHerbert Xu struct hlist_head *mhash; 98eb1d1641SHerbert Xu struct rcu_head rcu; 99eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 100eb1d1641SHerbert Xu u32 size; 101eb1d1641SHerbert Xu u32 max; 102eb1d1641SHerbert Xu u32 secret; 103eb1d1641SHerbert Xu u32 ver; 104eb1d1641SHerbert Xu }; 105eb1d1641SHerbert Xu 1061da177e4SLinus Torvalds struct net_bridge_port 1071da177e4SLinus Torvalds { 1081da177e4SLinus Torvalds struct net_bridge *br; 1091da177e4SLinus Torvalds struct net_device *dev; 1101da177e4SLinus Torvalds struct list_head list; 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds /* STP */ 1131da177e4SLinus Torvalds u8 priority; 1141da177e4SLinus Torvalds u8 state; 1151da177e4SLinus Torvalds u16 port_no; 1161da177e4SLinus Torvalds unsigned char topology_change_ack; 1171da177e4SLinus Torvalds unsigned char config_pending; 1181da177e4SLinus Torvalds port_id port_id; 1191da177e4SLinus Torvalds port_id designated_port; 1201da177e4SLinus Torvalds bridge_id designated_root; 1211da177e4SLinus Torvalds bridge_id designated_bridge; 1221da177e4SLinus Torvalds u32 path_cost; 1231da177e4SLinus Torvalds u32 designated_cost; 1241da177e4SLinus Torvalds 1251da177e4SLinus Torvalds struct timer_list forward_delay_timer; 1261da177e4SLinus Torvalds struct timer_list hold_timer; 1271da177e4SLinus Torvalds struct timer_list message_age_timer; 1281da177e4SLinus Torvalds struct kobject kobj; 1291da177e4SLinus Torvalds struct rcu_head rcu; 1303982d3d2SFischer, Anna 1313982d3d2SFischer, Anna unsigned long flags; 1323982d3d2SFischer, Anna #define BR_HAIRPIN_MODE 0x00000001 133eb1d1641SHerbert Xu 134eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 135eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 136eb1d1641SHerbert Xu unsigned char multicast_router; 137eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 138eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 139eb1d1641SHerbert Xu struct hlist_head mglist; 140eb1d1641SHerbert Xu struct hlist_node rlist; 141eb1d1641SHerbert Xu #endif 142e0f43752SSimon Arlott 143e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 144e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 145e0f43752SSimon Arlott #endif 1461da177e4SLinus Torvalds }; 1471da177e4SLinus Torvalds 1480eae88f3SEric Dumazet struct br_cpu_netstats { 1490eae88f3SEric Dumazet unsigned long rx_packets; 1500eae88f3SEric Dumazet unsigned long rx_bytes; 1510eae88f3SEric Dumazet unsigned long tx_packets; 1520eae88f3SEric Dumazet unsigned long tx_bytes; 1530eae88f3SEric Dumazet }; 1540eae88f3SEric Dumazet 1551da177e4SLinus Torvalds struct net_bridge 1561da177e4SLinus Torvalds { 1571da177e4SLinus Torvalds spinlock_t lock; 1581da177e4SLinus Torvalds struct list_head port_list; 1591da177e4SLinus Torvalds struct net_device *dev; 16014bb4789Sstephen hemminger 1610eae88f3SEric Dumazet struct br_cpu_netstats __percpu *stats; 1621da177e4SLinus Torvalds spinlock_t hash_lock; 1631da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 164edb5e46fSStephen Hemminger unsigned long feature_mask; 1654adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1664adf0af6SSimon Wunderlich struct rtable fake_rtable; 1674df53d8bSPatrick McHardy bool nf_call_iptables; 1684df53d8bSPatrick McHardy bool nf_call_ip6tables; 1694df53d8bSPatrick McHardy bool nf_call_arptables; 1704adf0af6SSimon Wunderlich #endif 17192c0574fSStephen Hemminger unsigned long flags; 17292c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds /* STP */ 1751da177e4SLinus Torvalds bridge_id designated_root; 1761da177e4SLinus Torvalds bridge_id bridge_id; 1771da177e4SLinus Torvalds u32 root_path_cost; 1781da177e4SLinus Torvalds unsigned long max_age; 1791da177e4SLinus Torvalds unsigned long hello_time; 1801da177e4SLinus Torvalds unsigned long forward_delay; 1811da177e4SLinus Torvalds unsigned long bridge_max_age; 1821da177e4SLinus Torvalds unsigned long ageing_time; 1831da177e4SLinus Torvalds unsigned long bridge_hello_time; 1841da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1851da177e4SLinus Torvalds 186fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1871da177e4SLinus Torvalds u16 root_port; 1889cde0708SStephen Hemminger 1899cde0708SStephen Hemminger enum { 1909cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 1919cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 1929cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 1939cde0708SStephen Hemminger } stp_enabled; 1949cde0708SStephen Hemminger 1951da177e4SLinus Torvalds unsigned char topology_change; 1961da177e4SLinus Torvalds unsigned char topology_change_detected; 1971da177e4SLinus Torvalds 198eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 199eb1d1641SHerbert Xu unsigned char multicast_router; 200eb1d1641SHerbert Xu 201eb1d1641SHerbert Xu u8 multicast_disabled:1; 202eb1d1641SHerbert Xu 203eb1d1641SHerbert Xu u32 hash_elasticity; 204eb1d1641SHerbert Xu u32 hash_max; 205eb1d1641SHerbert Xu 206eb1d1641SHerbert Xu u32 multicast_last_member_count; 207eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 208eb1d1641SHerbert Xu u32 multicast_startup_query_count; 209eb1d1641SHerbert Xu 210eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 211eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 212eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 213eb1d1641SHerbert Xu unsigned long multicast_query_interval; 214eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 215eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 216eb1d1641SHerbert Xu 217eb1d1641SHerbert Xu spinlock_t multicast_lock; 218eb1d1641SHerbert Xu struct net_bridge_mdb_htable *mdb; 219eb1d1641SHerbert Xu struct hlist_head router_list; 220eb1d1641SHerbert Xu struct hlist_head mglist; 221eb1d1641SHerbert Xu 222eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 223eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 224eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 225eb1d1641SHerbert Xu #endif 226eb1d1641SHerbert Xu 2271da177e4SLinus Torvalds struct timer_list hello_timer; 2281da177e4SLinus Torvalds struct timer_list tcn_timer; 2291da177e4SLinus Torvalds struct timer_list topology_change_timer; 2301da177e4SLinus Torvalds struct timer_list gc_timer; 23143b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2321da177e4SLinus Torvalds }; 2331da177e4SLinus Torvalds 23468b7c895SHerbert Xu struct br_input_skb_cb { 23568b7c895SHerbert Xu struct net_device *brdev; 23632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 237eb1d1641SHerbert Xu int igmp; 238eb1d1641SHerbert Xu int mrouters_only; 23932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 24068b7c895SHerbert Xu }; 24168b7c895SHerbert Xu 24268b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 24368b7c895SHerbert Xu 24432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 24532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 24632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 24732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 24832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 24932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 25028a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 25128a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 25228a16c97Sstephen hemminger 25328a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 25428a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 25528a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 25628a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 25728a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 25828a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 25928a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 26028a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 26128a16c97Sstephen hemminger 26228a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 26328a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 26428a16c97Sstephen hemminger 2651da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 266fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds /* called under bridge lock */ 2691da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2701da177e4SLinus Torvalds { 2711da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2721da177e4SLinus Torvalds } 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds /* br_device.c */ 2751da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2766fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2776fef4c0cSStephen Hemminger struct net_device *dev); 278cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 279cfb478daSstephen hemminger extern void br_netpoll_cleanup(struct net_device *dev); 280cfb478daSstephen hemminger extern void br_netpoll_enable(struct net_bridge *br, 281cfb478daSstephen hemminger struct net_device *dev); 282cfb478daSstephen hemminger extern void br_netpoll_disable(struct net_bridge *br, 283cfb478daSstephen hemminger struct net_device *dev); 284cfb478daSstephen hemminger #else 285cfb478daSstephen hemminger #define br_netpoll_cleanup(br) 286cfb478daSstephen hemminger #define br_netpoll_enable(br, dev) 287cfb478daSstephen hemminger #define br_netpoll_disable(br, dev) 288cfb478daSstephen hemminger 289cfb478daSstephen hemminger #endif 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds /* br_fdb.c */ 29287a596e0SAkinobu Mita extern int br_fdb_init(void); 2931da177e4SLinus Torvalds extern void br_fdb_fini(void); 2949cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 2951da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 2961da177e4SLinus Torvalds const unsigned char *newaddr); 2971da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 2981da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 2991a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 3001da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 3011da177e4SLinus Torvalds const unsigned char *addr); 302da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 3031da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 3041da177e4SLinus Torvalds unsigned long count, unsigned long off); 3051da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 3061da177e4SLinus Torvalds struct net_bridge_port *source, 3071da177e4SLinus Torvalds const unsigned char *addr); 3081da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 3091da177e4SLinus Torvalds struct net_bridge_port *source, 3101da177e4SLinus Torvalds const unsigned char *addr); 3111da177e4SLinus Torvalds 3121da177e4SLinus Torvalds /* br_forward.c */ 3131da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 3141da177e4SLinus Torvalds struct sk_buff *skb); 3151da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 3161da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 3177f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 3181da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 319e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 320b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 321b33084beSHerbert Xu struct sk_buff *skb2); 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds /* br_if.c */ 324269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 3254aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 3264aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 327712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 3281da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 3291da177e4SLinus Torvalds struct net_device *dev); 3301da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 3311da177e4SLinus Torvalds struct net_device *dev); 3321da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 33381d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds /* br_input.c */ 3361da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 337ab95bfe0SJiri Pirko extern struct sk_buff *br_handle_frame(struct sk_buff *skb); 3381da177e4SLinus Torvalds 3391da177e4SLinus Torvalds /* br_ioctl.c */ 3401da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 341881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 3421da177e4SLinus Torvalds 343eb1d1641SHerbert Xu /* br_multicast.c */ 344eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 345eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 346eb1d1641SHerbert Xu struct net_bridge_port *port, 347eb1d1641SHerbert Xu struct sk_buff *skb); 348eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 349eb1d1641SHerbert Xu struct sk_buff *skb); 350eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 351eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 352eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 353eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 354eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 355eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 356eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 3575cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3585cb5e947SHerbert Xu struct sk_buff *skb); 3595cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3605cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3610909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3620909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 3630909e117SHerbert Xu unsigned long val); 364561f1103SHerbert Xu extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); 365b195167fSHerbert Xu extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 36685b35269SSridhar Samudrala 36785b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 36885b35269SSridhar Samudrala { 36985b35269SSridhar Samudrala return br->multicast_router == 2 || 37085b35269SSridhar Samudrala (br->multicast_router == 1 && 37185b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 37285b35269SSridhar Samudrala } 373eb1d1641SHerbert Xu #else 374eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 375eb1d1641SHerbert Xu struct net_bridge_port *port, 376eb1d1641SHerbert Xu struct sk_buff *skb) 377eb1d1641SHerbert Xu { 378eb1d1641SHerbert Xu return 0; 379eb1d1641SHerbert Xu } 380eb1d1641SHerbert Xu 381eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 382eb1d1641SHerbert Xu struct sk_buff *skb) 383eb1d1641SHerbert Xu { 384eb1d1641SHerbert Xu return NULL; 385eb1d1641SHerbert Xu } 386eb1d1641SHerbert Xu 387eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 388eb1d1641SHerbert Xu { 389eb1d1641SHerbert Xu } 390eb1d1641SHerbert Xu 391eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 392eb1d1641SHerbert Xu { 393eb1d1641SHerbert Xu } 394eb1d1641SHerbert Xu 395eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 396eb1d1641SHerbert Xu { 397eb1d1641SHerbert Xu } 398eb1d1641SHerbert Xu 399eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 400eb1d1641SHerbert Xu { 401eb1d1641SHerbert Xu } 402eb1d1641SHerbert Xu 403eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 404eb1d1641SHerbert Xu { 405eb1d1641SHerbert Xu } 406eb1d1641SHerbert Xu 407eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 408eb1d1641SHerbert Xu { 409eb1d1641SHerbert Xu } 410eb1d1641SHerbert Xu 411eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 412eb1d1641SHerbert Xu { 413eb1d1641SHerbert Xu } 4145cb5e947SHerbert Xu 4155cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 4165cb5e947SHerbert Xu struct sk_buff *skb) 4175cb5e947SHerbert Xu { 4185cb5e947SHerbert Xu } 4195cb5e947SHerbert Xu 4205cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 4215cb5e947SHerbert Xu struct sk_buff *skb, 4225cb5e947SHerbert Xu struct sk_buff *skb2) 4235cb5e947SHerbert Xu { 4245cb5e947SHerbert Xu } 425eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 426eb1d1641SHerbert Xu { 42785b35269SSridhar Samudrala return 0; 428eb1d1641SHerbert Xu } 42985b35269SSridhar Samudrala #endif 430eb1d1641SHerbert Xu 4311da177e4SLinus Torvalds /* br_netfilter.c */ 432c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 4331da177e4SLinus Torvalds extern int br_netfilter_init(void); 4341da177e4SLinus Torvalds extern void br_netfilter_fini(void); 4354adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 436c0909713SStephen Hemminger #else 437c0909713SStephen Hemminger #define br_netfilter_init() (0) 438c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 4394adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 440c0909713SStephen Hemminger #endif 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds /* br_stp.c */ 4431da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 4441da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 4451da177e4SLinus Torvalds u16 port_no); 4461da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 4471da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 4481da177e4SLinus Torvalds 4491da177e4SLinus Torvalds /* br_stp_if.c */ 4501da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 4511da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 4529cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 4531da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 4541da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 4551da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 4564505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 4571da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 4581da177e4SLinus Torvalds u16 newprio); 4591da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 4601da177e4SLinus Torvalds u8 newprio); 4611da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 4621da177e4SLinus Torvalds u32 path_cost); 4631da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds /* br_stp_bpdu.c */ 4667c85fbf0SPatrick McHardy struct stp_proto; 4677c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 4687c85fbf0SPatrick McHardy struct net_device *dev); 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds /* br_stp_timer.c */ 4711da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 4721da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 4731da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds /* br.c */ 476da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 477da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 478da678292SMichał Mirosław #endif 4791da177e4SLinus Torvalds 48011dc1f36SStephen Hemminger /* br_netlink.c */ 48132fe21c0SThomas Graf extern int br_netlink_init(void); 48211dc1f36SStephen Hemminger extern void br_netlink_fini(void); 48311dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 48411dc1f36SStephen Hemminger 4851da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 4861da177e4SLinus Torvalds /* br_sysfs_if.c */ 48752cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 4881da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 489e0f43752SSimon Arlott extern int br_sysfs_renameif(struct net_bridge_port *p); 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds /* br_sysfs_br.c */ 4921da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 4931da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds #else 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 498e0f43752SSimon Arlott #define br_sysfs_renameif(p) (0) 4991da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 5001da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 5011da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 5021da177e4SLinus Torvalds 5031da177e4SLinus Torvalds #endif 504