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> 1891d2c34aSHerbert Xu #include <linux/netpoll.h> 194adf0af6SSimon Wunderlich #include <net/route.h> 201da177e4SLinus Torvalds 211da177e4SLinus Torvalds #define BR_HASH_BITS 8 221da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #define BR_PORT_BITS 10 271da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 281da177e4SLinus Torvalds 299cde0708SStephen Hemminger #define BR_VERSION "2.3" 309cde0708SStephen Hemminger 319cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 329cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 338cbb512eSStephen Hemminger 341da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 351da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 361da177e4SLinus Torvalds typedef __u16 port_id; 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds struct bridge_id 391da177e4SLinus Torvalds { 401da177e4SLinus Torvalds unsigned char prio[2]; 411da177e4SLinus Torvalds unsigned char addr[6]; 421da177e4SLinus Torvalds }; 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds struct mac_addr 451da177e4SLinus Torvalds { 461da177e4SLinus Torvalds unsigned char addr[6]; 471da177e4SLinus Torvalds }; 481da177e4SLinus Torvalds 498ef2a9a5SYOSHIFUJI Hideaki struct br_ip 508ef2a9a5SYOSHIFUJI Hideaki { 518ef2a9a5SYOSHIFUJI Hideaki union { 528ef2a9a5SYOSHIFUJI Hideaki __be32 ip4; 5308b202b6SYOSHIFUJI Hideaki #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) 5408b202b6SYOSHIFUJI Hideaki struct in6_addr ip6; 5508b202b6SYOSHIFUJI Hideaki #endif 568ef2a9a5SYOSHIFUJI Hideaki } u; 578ef2a9a5SYOSHIFUJI Hideaki __be16 proto; 588ef2a9a5SYOSHIFUJI Hideaki }; 598ef2a9a5SYOSHIFUJI Hideaki 601da177e4SLinus Torvalds struct net_bridge_fdb_entry 611da177e4SLinus Torvalds { 621da177e4SLinus Torvalds struct hlist_node hlist; 631da177e4SLinus Torvalds struct net_bridge_port *dst; 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds struct rcu_head rcu; 661da177e4SLinus Torvalds unsigned long ageing_timer; 671da177e4SLinus Torvalds mac_addr addr; 681da177e4SLinus Torvalds unsigned char is_local; 691da177e4SLinus Torvalds unsigned char is_static; 701da177e4SLinus Torvalds }; 711da177e4SLinus Torvalds 72eb1d1641SHerbert Xu struct net_bridge_port_group { 73eb1d1641SHerbert Xu struct net_bridge_port *port; 74eb1d1641SHerbert Xu struct net_bridge_port_group *next; 75eb1d1641SHerbert Xu struct hlist_node mglist; 76eb1d1641SHerbert Xu struct rcu_head rcu; 77eb1d1641SHerbert Xu struct timer_list timer; 78eb1d1641SHerbert Xu struct timer_list query_timer; 798ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 80eb1d1641SHerbert Xu u32 queries_sent; 81eb1d1641SHerbert Xu }; 82eb1d1641SHerbert Xu 83eb1d1641SHerbert Xu struct net_bridge_mdb_entry 84eb1d1641SHerbert Xu { 85eb1d1641SHerbert Xu struct hlist_node hlist[2]; 86eb1d1641SHerbert Xu struct hlist_node mglist; 87eb1d1641SHerbert Xu struct net_bridge *br; 88eb1d1641SHerbert Xu struct net_bridge_port_group *ports; 89eb1d1641SHerbert Xu struct rcu_head rcu; 90eb1d1641SHerbert Xu struct timer_list timer; 91eb1d1641SHerbert Xu struct timer_list query_timer; 928ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 93eb1d1641SHerbert Xu u32 queries_sent; 94eb1d1641SHerbert Xu }; 95eb1d1641SHerbert Xu 96eb1d1641SHerbert Xu struct net_bridge_mdb_htable 97eb1d1641SHerbert Xu { 98eb1d1641SHerbert Xu struct hlist_head *mhash; 99eb1d1641SHerbert Xu struct rcu_head rcu; 100eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 101eb1d1641SHerbert Xu u32 size; 102eb1d1641SHerbert Xu u32 max; 103eb1d1641SHerbert Xu u32 secret; 104eb1d1641SHerbert Xu u32 ver; 105eb1d1641SHerbert Xu }; 106eb1d1641SHerbert Xu 1071da177e4SLinus Torvalds struct net_bridge_port 1081da177e4SLinus Torvalds { 1091da177e4SLinus Torvalds struct net_bridge *br; 1101da177e4SLinus Torvalds struct net_device *dev; 1111da177e4SLinus Torvalds struct list_head list; 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds /* STP */ 1141da177e4SLinus Torvalds u8 priority; 1151da177e4SLinus Torvalds u8 state; 1161da177e4SLinus Torvalds u16 port_no; 1171da177e4SLinus Torvalds unsigned char topology_change_ack; 1181da177e4SLinus Torvalds unsigned char config_pending; 1191da177e4SLinus Torvalds port_id port_id; 1201da177e4SLinus Torvalds port_id designated_port; 1211da177e4SLinus Torvalds bridge_id designated_root; 1221da177e4SLinus Torvalds bridge_id designated_bridge; 1231da177e4SLinus Torvalds u32 path_cost; 1241da177e4SLinus Torvalds u32 designated_cost; 1251da177e4SLinus Torvalds 1261da177e4SLinus Torvalds struct timer_list forward_delay_timer; 1271da177e4SLinus Torvalds struct timer_list hold_timer; 1281da177e4SLinus Torvalds struct timer_list message_age_timer; 1291da177e4SLinus Torvalds struct kobject kobj; 1301da177e4SLinus Torvalds struct rcu_head rcu; 1313982d3d2SFischer, Anna 1323982d3d2SFischer, Anna unsigned long flags; 1333982d3d2SFischer, Anna #define BR_HAIRPIN_MODE 0x00000001 134eb1d1641SHerbert Xu 135eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 136eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 137eb1d1641SHerbert Xu unsigned char multicast_router; 138eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 139eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 140eb1d1641SHerbert Xu struct hlist_head mglist; 141eb1d1641SHerbert Xu struct hlist_node rlist; 142eb1d1641SHerbert Xu #endif 143e0f43752SSimon Arlott 144e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 145e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 146e0f43752SSimon Arlott #endif 14791d2c34aSHerbert Xu 14891d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 14991d2c34aSHerbert Xu struct netpoll *np; 15091d2c34aSHerbert Xu #endif 1511da177e4SLinus Torvalds }; 1521da177e4SLinus Torvalds 153f350a0a8SJiri Pirko #define br_port_get_rcu(dev) \ 154f350a0a8SJiri Pirko ((struct net_bridge_port *) rcu_dereference(dev->rx_handler_data)) 155f350a0a8SJiri Pirko #define br_port_get(dev) ((struct net_bridge_port *) dev->rx_handler_data) 156f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 157f350a0a8SJiri Pirko 1580eae88f3SEric Dumazet struct br_cpu_netstats { 1590eae88f3SEric Dumazet unsigned long rx_packets; 1600eae88f3SEric Dumazet unsigned long rx_bytes; 1610eae88f3SEric Dumazet unsigned long tx_packets; 1620eae88f3SEric Dumazet unsigned long tx_bytes; 1630eae88f3SEric Dumazet }; 1640eae88f3SEric Dumazet 1651da177e4SLinus Torvalds struct net_bridge 1661da177e4SLinus Torvalds { 1671da177e4SLinus Torvalds spinlock_t lock; 1681da177e4SLinus Torvalds struct list_head port_list; 1691da177e4SLinus Torvalds struct net_device *dev; 17014bb4789Sstephen hemminger 1710eae88f3SEric Dumazet struct br_cpu_netstats __percpu *stats; 1721da177e4SLinus Torvalds spinlock_t hash_lock; 1731da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 174edb5e46fSStephen Hemminger unsigned long feature_mask; 1754adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1764adf0af6SSimon Wunderlich struct rtable fake_rtable; 1774adf0af6SSimon Wunderlich #endif 17892c0574fSStephen Hemminger unsigned long flags; 17992c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1801da177e4SLinus Torvalds 1811da177e4SLinus Torvalds /* STP */ 1821da177e4SLinus Torvalds bridge_id designated_root; 1831da177e4SLinus Torvalds bridge_id bridge_id; 1841da177e4SLinus Torvalds u32 root_path_cost; 1851da177e4SLinus Torvalds unsigned long max_age; 1861da177e4SLinus Torvalds unsigned long hello_time; 1871da177e4SLinus Torvalds unsigned long forward_delay; 1881da177e4SLinus Torvalds unsigned long bridge_max_age; 1891da177e4SLinus Torvalds unsigned long ageing_time; 1901da177e4SLinus Torvalds unsigned long bridge_hello_time; 1911da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1921da177e4SLinus Torvalds 193fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1941da177e4SLinus Torvalds u16 root_port; 1959cde0708SStephen Hemminger 1969cde0708SStephen Hemminger enum { 1979cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 1989cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 1999cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 2009cde0708SStephen Hemminger } stp_enabled; 2019cde0708SStephen Hemminger 2021da177e4SLinus Torvalds unsigned char topology_change; 2031da177e4SLinus Torvalds unsigned char topology_change_detected; 2041da177e4SLinus Torvalds 205eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 206eb1d1641SHerbert Xu unsigned char multicast_router; 207eb1d1641SHerbert Xu 208eb1d1641SHerbert Xu u8 multicast_disabled:1; 209eb1d1641SHerbert Xu 210eb1d1641SHerbert Xu u32 hash_elasticity; 211eb1d1641SHerbert Xu u32 hash_max; 212eb1d1641SHerbert Xu 213eb1d1641SHerbert Xu u32 multicast_last_member_count; 214eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 215eb1d1641SHerbert Xu u32 multicast_startup_query_count; 216eb1d1641SHerbert Xu 217eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 218eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 219eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 220eb1d1641SHerbert Xu unsigned long multicast_query_interval; 221eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 222eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 223eb1d1641SHerbert Xu 224eb1d1641SHerbert Xu spinlock_t multicast_lock; 225eb1d1641SHerbert Xu struct net_bridge_mdb_htable *mdb; 226eb1d1641SHerbert Xu struct hlist_head router_list; 227eb1d1641SHerbert Xu struct hlist_head mglist; 228eb1d1641SHerbert Xu 229eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 230eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 231eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 232eb1d1641SHerbert Xu #endif 233eb1d1641SHerbert Xu 2341da177e4SLinus Torvalds struct timer_list hello_timer; 2351da177e4SLinus Torvalds struct timer_list tcn_timer; 2361da177e4SLinus Torvalds struct timer_list topology_change_timer; 2371da177e4SLinus Torvalds struct timer_list gc_timer; 23843b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2391da177e4SLinus Torvalds }; 2401da177e4SLinus Torvalds 24168b7c895SHerbert Xu struct br_input_skb_cb { 24268b7c895SHerbert Xu struct net_device *brdev; 24332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 244eb1d1641SHerbert Xu int igmp; 245eb1d1641SHerbert Xu int mrouters_only; 24632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 24768b7c895SHerbert Xu }; 24868b7c895SHerbert Xu 24968b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 25068b7c895SHerbert Xu 25132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 25232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 25332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 25432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 25532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 25632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 25728a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 25828a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 25928a16c97Sstephen hemminger 26028a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 26128a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 26228a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 26328a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 26428a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 26528a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 26628a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 26728a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 26828a16c97Sstephen hemminger 26928a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 27028a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 27128a16c97Sstephen hemminger 2721da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 273fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds /* called under bridge lock */ 2761da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2771da177e4SLinus Torvalds { 2781da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2791da177e4SLinus Torvalds } 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds /* br_device.c */ 2821da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2836fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2846fef4c0cSStephen Hemminger struct net_device *dev); 285cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 28691d2c34aSHerbert Xu static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) 28791d2c34aSHerbert Xu { 28891d2c34aSHerbert Xu return br->dev->npinfo; 28991d2c34aSHerbert Xu } 290cfb478daSstephen hemminger 29191d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 29291d2c34aSHerbert Xu struct sk_buff *skb) 29391d2c34aSHerbert Xu { 29491d2c34aSHerbert Xu struct netpoll *np = p->np; 29591d2c34aSHerbert Xu 29691d2c34aSHerbert Xu if (np) 29791d2c34aSHerbert Xu netpoll_send_skb(np, skb); 29891d2c34aSHerbert Xu } 29991d2c34aSHerbert Xu 30091d2c34aSHerbert Xu extern int br_netpoll_enable(struct net_bridge_port *p); 30191d2c34aSHerbert Xu extern void br_netpoll_disable(struct net_bridge_port *p); 30291d2c34aSHerbert Xu #else 30391d2c34aSHerbert Xu static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) 30491d2c34aSHerbert Xu { 30591d2c34aSHerbert Xu return NULL; 30691d2c34aSHerbert Xu } 30791d2c34aSHerbert Xu 3089f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 30991d2c34aSHerbert Xu struct sk_buff *skb) 31091d2c34aSHerbert Xu { 31191d2c34aSHerbert Xu } 31291d2c34aSHerbert Xu 31391d2c34aSHerbert Xu static inline int br_netpoll_enable(struct net_bridge_port *p) 31491d2c34aSHerbert Xu { 31591d2c34aSHerbert Xu return 0; 31691d2c34aSHerbert Xu } 31791d2c34aSHerbert Xu 31891d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 31991d2c34aSHerbert Xu { 32091d2c34aSHerbert Xu } 321cfb478daSstephen hemminger #endif 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds /* br_fdb.c */ 32487a596e0SAkinobu Mita extern int br_fdb_init(void); 3251da177e4SLinus Torvalds extern void br_fdb_fini(void); 3269cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 3271da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 3281da177e4SLinus Torvalds const unsigned char *newaddr); 3291da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 3301da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 3311a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 3321da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 3331da177e4SLinus Torvalds const unsigned char *addr); 334da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 3351da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 3361da177e4SLinus Torvalds unsigned long count, unsigned long off); 3371da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 3381da177e4SLinus Torvalds struct net_bridge_port *source, 3391da177e4SLinus Torvalds const unsigned char *addr); 3401da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 3411da177e4SLinus Torvalds struct net_bridge_port *source, 3421da177e4SLinus Torvalds const unsigned char *addr); 3431da177e4SLinus Torvalds 3441da177e4SLinus Torvalds /* br_forward.c */ 3451da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 3461da177e4SLinus Torvalds struct sk_buff *skb); 3471da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 3481da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 3497f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 3501da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 351e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 352b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 353b33084beSHerbert Xu struct sk_buff *skb2); 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds /* br_if.c */ 356269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 3574aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 3584aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 359712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 3601da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 3611da177e4SLinus Torvalds struct net_device *dev); 3621da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 3631da177e4SLinus Torvalds struct net_device *dev); 3641da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 36581d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvalds /* br_input.c */ 3681da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 369ab95bfe0SJiri Pirko extern struct sk_buff *br_handle_frame(struct sk_buff *skb); 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds /* br_ioctl.c */ 3721da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 373881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 3741da177e4SLinus Torvalds 375eb1d1641SHerbert Xu /* br_multicast.c */ 376eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 377eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 378eb1d1641SHerbert Xu struct net_bridge_port *port, 379eb1d1641SHerbert Xu struct sk_buff *skb); 380eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 381eb1d1641SHerbert Xu struct sk_buff *skb); 382eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 383eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 384eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 385eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 386eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 387eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 388eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 3895cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3905cb5e947SHerbert Xu struct sk_buff *skb); 3915cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3925cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3930909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3940909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 3950909e117SHerbert Xu unsigned long val); 396561f1103SHerbert Xu extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); 397b195167fSHerbert Xu extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 39885b35269SSridhar Samudrala 39985b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 40085b35269SSridhar Samudrala { 40185b35269SSridhar Samudrala return br->multicast_router == 2 || 40285b35269SSridhar Samudrala (br->multicast_router == 1 && 40385b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 40485b35269SSridhar Samudrala } 405eb1d1641SHerbert Xu #else 406eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 407eb1d1641SHerbert Xu struct net_bridge_port *port, 408eb1d1641SHerbert Xu struct sk_buff *skb) 409eb1d1641SHerbert Xu { 410eb1d1641SHerbert Xu return 0; 411eb1d1641SHerbert Xu } 412eb1d1641SHerbert Xu 413eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 414eb1d1641SHerbert Xu struct sk_buff *skb) 415eb1d1641SHerbert Xu { 416eb1d1641SHerbert Xu return NULL; 417eb1d1641SHerbert Xu } 418eb1d1641SHerbert Xu 419eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 420eb1d1641SHerbert Xu { 421eb1d1641SHerbert Xu } 422eb1d1641SHerbert Xu 423eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 424eb1d1641SHerbert Xu { 425eb1d1641SHerbert Xu } 426eb1d1641SHerbert Xu 427eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 428eb1d1641SHerbert Xu { 429eb1d1641SHerbert Xu } 430eb1d1641SHerbert Xu 431eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 432eb1d1641SHerbert Xu { 433eb1d1641SHerbert Xu } 434eb1d1641SHerbert Xu 435eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 436eb1d1641SHerbert Xu { 437eb1d1641SHerbert Xu } 438eb1d1641SHerbert Xu 439eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 440eb1d1641SHerbert Xu { 441eb1d1641SHerbert Xu } 442eb1d1641SHerbert Xu 443eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 444eb1d1641SHerbert Xu { 445eb1d1641SHerbert Xu } 4465cb5e947SHerbert Xu 4475cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 4485cb5e947SHerbert Xu struct sk_buff *skb) 4495cb5e947SHerbert Xu { 4505cb5e947SHerbert Xu } 4515cb5e947SHerbert Xu 4525cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 4535cb5e947SHerbert Xu struct sk_buff *skb, 4545cb5e947SHerbert Xu struct sk_buff *skb2) 4555cb5e947SHerbert Xu { 4565cb5e947SHerbert Xu } 457eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 458eb1d1641SHerbert Xu { 45985b35269SSridhar Samudrala return 0; 460eb1d1641SHerbert Xu } 46185b35269SSridhar Samudrala #endif 462eb1d1641SHerbert Xu 4631da177e4SLinus Torvalds /* br_netfilter.c */ 464c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 4651da177e4SLinus Torvalds extern int br_netfilter_init(void); 4661da177e4SLinus Torvalds extern void br_netfilter_fini(void); 4674adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 468c0909713SStephen Hemminger #else 469c0909713SStephen Hemminger #define br_netfilter_init() (0) 470c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 4714adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 472c0909713SStephen Hemminger #endif 4731da177e4SLinus Torvalds 4741da177e4SLinus Torvalds /* br_stp.c */ 4751da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 4761da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 4771da177e4SLinus Torvalds u16 port_no); 4781da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 4791da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds /* br_stp_if.c */ 4821da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 4831da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 4849cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 4851da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 4861da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 4871da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 4884505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 4891da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 4901da177e4SLinus Torvalds u16 newprio); 4911da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 4921da177e4SLinus Torvalds u8 newprio); 4931da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 4941da177e4SLinus Torvalds u32 path_cost); 4951da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds /* br_stp_bpdu.c */ 4987c85fbf0SPatrick McHardy struct stp_proto; 4997c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 5007c85fbf0SPatrick McHardy struct net_device *dev); 5011da177e4SLinus Torvalds 5021da177e4SLinus Torvalds /* br_stp_timer.c */ 5031da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 5041da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 5051da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds /* br.c */ 508da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 509da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 510da678292SMichał Mirosław #endif 5111da177e4SLinus Torvalds 51211dc1f36SStephen Hemminger /* br_netlink.c */ 51332fe21c0SThomas Graf extern int br_netlink_init(void); 51411dc1f36SStephen Hemminger extern void br_netlink_fini(void); 51511dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 51611dc1f36SStephen Hemminger 5171da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 5181da177e4SLinus Torvalds /* br_sysfs_if.c */ 51952cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 5201da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 521e0f43752SSimon Arlott extern int br_sysfs_renameif(struct net_bridge_port *p); 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds /* br_sysfs_br.c */ 5241da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 5251da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 5261da177e4SLinus Torvalds 5271da177e4SLinus Torvalds #else 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 530e0f43752SSimon Arlott #define br_sysfs_renameif(p) (0) 5311da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 5321da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 5331da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds #endif 536