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 1421da177e4SLinus Torvalds }; 1431da177e4SLinus Torvalds 1440eae88f3SEric Dumazet struct br_cpu_netstats { 1450eae88f3SEric Dumazet unsigned long rx_packets; 1460eae88f3SEric Dumazet unsigned long rx_bytes; 1470eae88f3SEric Dumazet unsigned long tx_packets; 1480eae88f3SEric Dumazet unsigned long tx_bytes; 1490eae88f3SEric Dumazet }; 1500eae88f3SEric Dumazet 1511da177e4SLinus Torvalds struct net_bridge 1521da177e4SLinus Torvalds { 1531da177e4SLinus Torvalds spinlock_t lock; 1541da177e4SLinus Torvalds struct list_head port_list; 1551da177e4SLinus Torvalds struct net_device *dev; 15614bb4789Sstephen hemminger 1570eae88f3SEric Dumazet struct br_cpu_netstats __percpu *stats; 1581da177e4SLinus Torvalds spinlock_t hash_lock; 1591da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 160edb5e46fSStephen Hemminger unsigned long feature_mask; 1614adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1624adf0af6SSimon Wunderlich struct rtable fake_rtable; 1634adf0af6SSimon Wunderlich #endif 16492c0574fSStephen Hemminger unsigned long flags; 16592c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds /* STP */ 1681da177e4SLinus Torvalds bridge_id designated_root; 1691da177e4SLinus Torvalds bridge_id bridge_id; 1701da177e4SLinus Torvalds u32 root_path_cost; 1711da177e4SLinus Torvalds unsigned long max_age; 1721da177e4SLinus Torvalds unsigned long hello_time; 1731da177e4SLinus Torvalds unsigned long forward_delay; 1741da177e4SLinus Torvalds unsigned long bridge_max_age; 1751da177e4SLinus Torvalds unsigned long ageing_time; 1761da177e4SLinus Torvalds unsigned long bridge_hello_time; 1771da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1781da177e4SLinus Torvalds 179fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1801da177e4SLinus Torvalds u16 root_port; 1819cde0708SStephen Hemminger 1829cde0708SStephen Hemminger enum { 1839cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 1849cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 1859cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 1869cde0708SStephen Hemminger } stp_enabled; 1879cde0708SStephen Hemminger 1881da177e4SLinus Torvalds unsigned char topology_change; 1891da177e4SLinus Torvalds unsigned char topology_change_detected; 1901da177e4SLinus Torvalds 191eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 192eb1d1641SHerbert Xu unsigned char multicast_router; 193eb1d1641SHerbert Xu 194eb1d1641SHerbert Xu u8 multicast_disabled:1; 195eb1d1641SHerbert Xu 196eb1d1641SHerbert Xu u32 hash_elasticity; 197eb1d1641SHerbert Xu u32 hash_max; 198eb1d1641SHerbert Xu 199eb1d1641SHerbert Xu u32 multicast_last_member_count; 200eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 201eb1d1641SHerbert Xu u32 multicast_startup_query_count; 202eb1d1641SHerbert Xu 203eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 204eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 205eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 206eb1d1641SHerbert Xu unsigned long multicast_query_interval; 207eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 208eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 209eb1d1641SHerbert Xu 210eb1d1641SHerbert Xu spinlock_t multicast_lock; 211eb1d1641SHerbert Xu struct net_bridge_mdb_htable *mdb; 212eb1d1641SHerbert Xu struct hlist_head router_list; 213eb1d1641SHerbert Xu struct hlist_head mglist; 214eb1d1641SHerbert Xu 215eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 216eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 217eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 218eb1d1641SHerbert Xu #endif 219eb1d1641SHerbert Xu 2201da177e4SLinus Torvalds struct timer_list hello_timer; 2211da177e4SLinus Torvalds struct timer_list tcn_timer; 2221da177e4SLinus Torvalds struct timer_list topology_change_timer; 2231da177e4SLinus Torvalds struct timer_list gc_timer; 22443b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2251da177e4SLinus Torvalds }; 2261da177e4SLinus Torvalds 22768b7c895SHerbert Xu struct br_input_skb_cb { 22868b7c895SHerbert Xu struct net_device *brdev; 22932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 230eb1d1641SHerbert Xu int igmp; 231eb1d1641SHerbert Xu int mrouters_only; 23232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 23368b7c895SHerbert Xu }; 23468b7c895SHerbert Xu 23568b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 23668b7c895SHerbert Xu 23732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 23832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 23932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 24032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 24132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 24232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 24328a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 24428a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 24528a16c97Sstephen hemminger 24628a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 24728a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 24828a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 24928a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 25028a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 25128a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 25228a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 25328a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 25428a16c97Sstephen hemminger 25528a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 25628a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 25728a16c97Sstephen hemminger 2581da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 259fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds /* called under bridge lock */ 2621da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2631da177e4SLinus Torvalds { 2641da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2651da177e4SLinus Torvalds } 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds /* br_device.c */ 2681da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2696fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2706fef4c0cSStephen Hemminger struct net_device *dev); 271cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 272cfb478daSstephen hemminger extern void br_netpoll_cleanup(struct net_device *dev); 273cfb478daSstephen hemminger extern void br_netpoll_enable(struct net_bridge *br, 274cfb478daSstephen hemminger struct net_device *dev); 275cfb478daSstephen hemminger extern void br_netpoll_disable(struct net_bridge *br, 276cfb478daSstephen hemminger struct net_device *dev); 277cfb478daSstephen hemminger #else 278cfb478daSstephen hemminger #define br_netpoll_cleanup(br) 279cfb478daSstephen hemminger #define br_netpoll_enable(br, dev) 280cfb478daSstephen hemminger #define br_netpoll_disable(br, dev) 281cfb478daSstephen hemminger 282cfb478daSstephen hemminger #endif 2831da177e4SLinus Torvalds 2841da177e4SLinus Torvalds /* br_fdb.c */ 28587a596e0SAkinobu Mita extern int br_fdb_init(void); 2861da177e4SLinus Torvalds extern void br_fdb_fini(void); 2879cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 2881da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 2891da177e4SLinus Torvalds const unsigned char *newaddr); 2901da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 2911da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 2921a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 2931da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 2941da177e4SLinus Torvalds const unsigned char *addr); 295da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 2961da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 2971da177e4SLinus Torvalds unsigned long count, unsigned long off); 2981da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 2991da177e4SLinus Torvalds struct net_bridge_port *source, 3001da177e4SLinus Torvalds const unsigned char *addr); 3011da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 3021da177e4SLinus Torvalds struct net_bridge_port *source, 3031da177e4SLinus Torvalds const unsigned char *addr); 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds /* br_forward.c */ 3061da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 3071da177e4SLinus Torvalds struct sk_buff *skb); 3081da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 3091da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 3107f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 3111da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 312e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 313b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 314b33084beSHerbert Xu struct sk_buff *skb2); 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds /* br_if.c */ 317269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 3184aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 3194aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 320712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 3211da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 3221da177e4SLinus Torvalds struct net_device *dev); 3231da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 3241da177e4SLinus Torvalds struct net_device *dev); 3251da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 32681d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds /* br_input.c */ 3291da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 3306229e362SStephen Hemminger extern struct sk_buff *br_handle_frame(struct net_bridge_port *p, 3316229e362SStephen Hemminger struct sk_buff *skb); 3321da177e4SLinus Torvalds 3331da177e4SLinus Torvalds /* br_ioctl.c */ 3341da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 335881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 3361da177e4SLinus Torvalds 337eb1d1641SHerbert Xu /* br_multicast.c */ 338eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 339eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 340eb1d1641SHerbert Xu struct net_bridge_port *port, 341eb1d1641SHerbert Xu struct sk_buff *skb); 342eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 343eb1d1641SHerbert Xu struct sk_buff *skb); 344eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 345eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 346eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 347eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 348eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 349eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 350eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 3515cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3525cb5e947SHerbert Xu struct sk_buff *skb); 3535cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3545cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3550909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3560909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 3570909e117SHerbert Xu unsigned long val); 358561f1103SHerbert Xu extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); 359b195167fSHerbert Xu extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 36085b35269SSridhar Samudrala 36185b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 36285b35269SSridhar Samudrala { 36385b35269SSridhar Samudrala return br->multicast_router == 2 || 36485b35269SSridhar Samudrala (br->multicast_router == 1 && 36585b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 36685b35269SSridhar Samudrala } 367eb1d1641SHerbert Xu #else 368eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 369eb1d1641SHerbert Xu struct net_bridge_port *port, 370eb1d1641SHerbert Xu struct sk_buff *skb) 371eb1d1641SHerbert Xu { 372eb1d1641SHerbert Xu return 0; 373eb1d1641SHerbert Xu } 374eb1d1641SHerbert Xu 375eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 376eb1d1641SHerbert Xu struct sk_buff *skb) 377eb1d1641SHerbert Xu { 378eb1d1641SHerbert Xu return NULL; 379eb1d1641SHerbert Xu } 380eb1d1641SHerbert Xu 381eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 382eb1d1641SHerbert Xu { 383eb1d1641SHerbert Xu } 384eb1d1641SHerbert Xu 385eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 386eb1d1641SHerbert Xu { 387eb1d1641SHerbert Xu } 388eb1d1641SHerbert Xu 389eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 390eb1d1641SHerbert Xu { 391eb1d1641SHerbert Xu } 392eb1d1641SHerbert Xu 393eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 394eb1d1641SHerbert Xu { 395eb1d1641SHerbert Xu } 396eb1d1641SHerbert Xu 397eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 398eb1d1641SHerbert Xu { 399eb1d1641SHerbert Xu } 400eb1d1641SHerbert Xu 401eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 402eb1d1641SHerbert Xu { 403eb1d1641SHerbert Xu } 404eb1d1641SHerbert Xu 405eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 406eb1d1641SHerbert Xu { 407eb1d1641SHerbert Xu } 4085cb5e947SHerbert Xu 4095cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 4105cb5e947SHerbert Xu struct sk_buff *skb) 4115cb5e947SHerbert Xu { 4125cb5e947SHerbert Xu } 4135cb5e947SHerbert Xu 4145cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 4155cb5e947SHerbert Xu struct sk_buff *skb, 4165cb5e947SHerbert Xu struct sk_buff *skb2) 4175cb5e947SHerbert Xu { 4185cb5e947SHerbert Xu } 419eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 420eb1d1641SHerbert Xu { 42185b35269SSridhar Samudrala return 0; 422eb1d1641SHerbert Xu } 42385b35269SSridhar Samudrala #endif 424eb1d1641SHerbert Xu 4251da177e4SLinus Torvalds /* br_netfilter.c */ 426c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 4271da177e4SLinus Torvalds extern int br_netfilter_init(void); 4281da177e4SLinus Torvalds extern void br_netfilter_fini(void); 4294adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 430c0909713SStephen Hemminger #else 431c0909713SStephen Hemminger #define br_netfilter_init() (0) 432c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 4334adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 434c0909713SStephen Hemminger #endif 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds /* br_stp.c */ 4371da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 4381da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 4391da177e4SLinus Torvalds u16 port_no); 4401da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 4411da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds /* br_stp_if.c */ 4441da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 4451da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 4469cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 4471da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 4481da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 4491da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 4504505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 4511da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 4521da177e4SLinus Torvalds u16 newprio); 4531da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 4541da177e4SLinus Torvalds u8 newprio); 4551da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 4561da177e4SLinus Torvalds u32 path_cost); 4571da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds /* br_stp_bpdu.c */ 4607c85fbf0SPatrick McHardy struct stp_proto; 4617c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 4627c85fbf0SPatrick McHardy struct net_device *dev); 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds /* br_stp_timer.c */ 4651da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 4661da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 4671da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 4681da177e4SLinus Torvalds 4691da177e4SLinus Torvalds /* br.c */ 470da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 471da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 472da678292SMichał Mirosław #endif 4731da177e4SLinus Torvalds 47411dc1f36SStephen Hemminger /* br_netlink.c */ 47532fe21c0SThomas Graf extern int br_netlink_init(void); 47611dc1f36SStephen Hemminger extern void br_netlink_fini(void); 47711dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 47811dc1f36SStephen Hemminger 4791da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 4801da177e4SLinus Torvalds /* br_sysfs_if.c */ 48152cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 4821da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds /* br_sysfs_br.c */ 4851da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 4861da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 4871da177e4SLinus Torvalds 4881da177e4SLinus Torvalds #else 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 4911da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 4921da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 4931da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds #endif 496