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> 19406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 204adf0af6SSimon Wunderlich #include <net/route.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 309cde0708SStephen Hemminger #define BR_VERSION "2.3" 319cde0708SStephen Hemminger 329cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 339cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 348cbb512eSStephen Hemminger 351da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 361da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 371da177e4SLinus Torvalds typedef __u16 port_id; 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds struct bridge_id 401da177e4SLinus Torvalds { 411da177e4SLinus Torvalds unsigned char prio[2]; 421da177e4SLinus Torvalds unsigned char addr[6]; 431da177e4SLinus Torvalds }; 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds struct mac_addr 461da177e4SLinus Torvalds { 471da177e4SLinus Torvalds unsigned char addr[6]; 481da177e4SLinus Torvalds }; 491da177e4SLinus Torvalds 508ef2a9a5SYOSHIFUJI Hideaki struct br_ip 518ef2a9a5SYOSHIFUJI Hideaki { 528ef2a9a5SYOSHIFUJI Hideaki union { 538ef2a9a5SYOSHIFUJI Hideaki __be32 ip4; 5408b202b6SYOSHIFUJI Hideaki #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) 5508b202b6SYOSHIFUJI Hideaki struct in6_addr ip6; 5608b202b6SYOSHIFUJI Hideaki #endif 578ef2a9a5SYOSHIFUJI Hideaki } u; 588ef2a9a5SYOSHIFUJI Hideaki __be16 proto; 598ef2a9a5SYOSHIFUJI Hideaki }; 608ef2a9a5SYOSHIFUJI Hideaki 611da177e4SLinus Torvalds struct net_bridge_fdb_entry 621da177e4SLinus Torvalds { 631da177e4SLinus Torvalds struct hlist_node hlist; 641da177e4SLinus Torvalds struct net_bridge_port *dst; 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds struct rcu_head rcu; 671da177e4SLinus Torvalds unsigned long ageing_timer; 681da177e4SLinus Torvalds mac_addr addr; 691da177e4SLinus Torvalds unsigned char is_local; 701da177e4SLinus Torvalds unsigned char is_static; 711da177e4SLinus Torvalds }; 721da177e4SLinus Torvalds 73eb1d1641SHerbert Xu struct net_bridge_port_group { 74eb1d1641SHerbert Xu struct net_bridge_port *port; 75e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 76eb1d1641SHerbert Xu struct hlist_node mglist; 77eb1d1641SHerbert Xu struct rcu_head rcu; 78eb1d1641SHerbert Xu struct timer_list timer; 79eb1d1641SHerbert Xu struct timer_list query_timer; 808ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 81eb1d1641SHerbert Xu u32 queries_sent; 82eb1d1641SHerbert Xu }; 83eb1d1641SHerbert Xu 84eb1d1641SHerbert Xu struct net_bridge_mdb_entry 85eb1d1641SHerbert Xu { 86eb1d1641SHerbert Xu struct hlist_node hlist[2]; 87eb1d1641SHerbert Xu struct hlist_node mglist; 88eb1d1641SHerbert Xu struct net_bridge *br; 89e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 90eb1d1641SHerbert Xu struct rcu_head rcu; 91eb1d1641SHerbert Xu struct timer_list timer; 92eb1d1641SHerbert Xu struct timer_list query_timer; 938ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 94eb1d1641SHerbert Xu u32 queries_sent; 95eb1d1641SHerbert Xu }; 96eb1d1641SHerbert Xu 97eb1d1641SHerbert Xu struct net_bridge_mdb_htable 98eb1d1641SHerbert Xu { 99eb1d1641SHerbert Xu struct hlist_head *mhash; 100eb1d1641SHerbert Xu struct rcu_head rcu; 101eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 102eb1d1641SHerbert Xu u32 size; 103eb1d1641SHerbert Xu u32 max; 104eb1d1641SHerbert Xu u32 secret; 105eb1d1641SHerbert Xu u32 ver; 106eb1d1641SHerbert Xu }; 107eb1d1641SHerbert Xu 1081da177e4SLinus Torvalds struct net_bridge_port 1091da177e4SLinus Torvalds { 1101da177e4SLinus Torvalds struct net_bridge *br; 1111da177e4SLinus Torvalds struct net_device *dev; 1121da177e4SLinus Torvalds struct list_head list; 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds /* STP */ 1151da177e4SLinus Torvalds u8 priority; 1161da177e4SLinus Torvalds u8 state; 1171da177e4SLinus Torvalds u16 port_no; 1181da177e4SLinus Torvalds unsigned char topology_change_ack; 1191da177e4SLinus Torvalds unsigned char config_pending; 1201da177e4SLinus Torvalds port_id port_id; 1211da177e4SLinus Torvalds port_id designated_port; 1221da177e4SLinus Torvalds bridge_id designated_root; 1231da177e4SLinus Torvalds bridge_id designated_bridge; 1241da177e4SLinus Torvalds u32 path_cost; 1251da177e4SLinus Torvalds u32 designated_cost; 1261da177e4SLinus Torvalds 1271da177e4SLinus Torvalds struct timer_list forward_delay_timer; 1281da177e4SLinus Torvalds struct timer_list hold_timer; 1291da177e4SLinus Torvalds struct timer_list message_age_timer; 1301da177e4SLinus Torvalds struct kobject kobj; 1311da177e4SLinus Torvalds struct rcu_head rcu; 1323982d3d2SFischer, Anna 1333982d3d2SFischer, Anna unsigned long flags; 1343982d3d2SFischer, Anna #define BR_HAIRPIN_MODE 0x00000001 135eb1d1641SHerbert Xu 136eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 137eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 138eb1d1641SHerbert Xu unsigned char multicast_router; 139eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 140eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 141eb1d1641SHerbert Xu struct hlist_head mglist; 142eb1d1641SHerbert Xu struct hlist_node rlist; 143eb1d1641SHerbert Xu #endif 144e0f43752SSimon Arlott 145e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 146e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 147e0f43752SSimon Arlott #endif 14891d2c34aSHerbert Xu 14991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 15091d2c34aSHerbert Xu struct netpoll *np; 15191d2c34aSHerbert Xu #endif 1521da177e4SLinus Torvalds }; 1531da177e4SLinus Torvalds 154f350a0a8SJiri Pirko #define br_port_get_rcu(dev) \ 155f350a0a8SJiri Pirko ((struct net_bridge_port *) rcu_dereference(dev->rx_handler_data)) 156f350a0a8SJiri Pirko #define br_port_get(dev) ((struct net_bridge_port *) dev->rx_handler_data) 157f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 158f350a0a8SJiri Pirko 1590eae88f3SEric Dumazet struct br_cpu_netstats { 160406818ffSEric Dumazet u64 rx_packets; 161406818ffSEric Dumazet u64 rx_bytes; 162406818ffSEric Dumazet u64 tx_packets; 163406818ffSEric Dumazet u64 tx_bytes; 164406818ffSEric Dumazet struct u64_stats_sync syncp; 1650eae88f3SEric Dumazet }; 1660eae88f3SEric Dumazet 1671da177e4SLinus Torvalds struct net_bridge 1681da177e4SLinus Torvalds { 1691da177e4SLinus Torvalds spinlock_t lock; 1701da177e4SLinus Torvalds struct list_head port_list; 1711da177e4SLinus Torvalds struct net_device *dev; 17214bb4789Sstephen hemminger 1730eae88f3SEric Dumazet struct br_cpu_netstats __percpu *stats; 1741da177e4SLinus Torvalds spinlock_t hash_lock; 1751da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 176edb5e46fSStephen Hemminger unsigned long feature_mask; 1774adf0af6SSimon Wunderlich #ifdef CONFIG_BRIDGE_NETFILTER 1784adf0af6SSimon Wunderlich struct rtable fake_rtable; 1794df53d8bSPatrick McHardy bool nf_call_iptables; 1804df53d8bSPatrick McHardy bool nf_call_ip6tables; 1814df53d8bSPatrick McHardy bool nf_call_arptables; 1824adf0af6SSimon Wunderlich #endif 18392c0574fSStephen Hemminger unsigned long flags; 18492c0574fSStephen Hemminger #define BR_SET_MAC_ADDR 0x00000001 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds /* STP */ 1871da177e4SLinus Torvalds bridge_id designated_root; 1881da177e4SLinus Torvalds bridge_id bridge_id; 1891da177e4SLinus Torvalds u32 root_path_cost; 1901da177e4SLinus Torvalds unsigned long max_age; 1911da177e4SLinus Torvalds unsigned long hello_time; 1921da177e4SLinus Torvalds unsigned long forward_delay; 1931da177e4SLinus Torvalds unsigned long bridge_max_age; 1941da177e4SLinus Torvalds unsigned long ageing_time; 1951da177e4SLinus Torvalds unsigned long bridge_hello_time; 1961da177e4SLinus Torvalds unsigned long bridge_forward_delay; 1971da177e4SLinus Torvalds 198fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 1991da177e4SLinus Torvalds u16 root_port; 2009cde0708SStephen Hemminger 2019cde0708SStephen Hemminger enum { 2029cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 2039cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 2049cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 2059cde0708SStephen Hemminger } stp_enabled; 2069cde0708SStephen Hemminger 2071da177e4SLinus Torvalds unsigned char topology_change; 2081da177e4SLinus Torvalds unsigned char topology_change_detected; 2091da177e4SLinus Torvalds 210eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 211eb1d1641SHerbert Xu unsigned char multicast_router; 212eb1d1641SHerbert Xu 213eb1d1641SHerbert Xu u8 multicast_disabled:1; 214eb1d1641SHerbert Xu 215eb1d1641SHerbert Xu u32 hash_elasticity; 216eb1d1641SHerbert Xu u32 hash_max; 217eb1d1641SHerbert Xu 218eb1d1641SHerbert Xu u32 multicast_last_member_count; 219eb1d1641SHerbert Xu u32 multicast_startup_queries_sent; 220eb1d1641SHerbert Xu u32 multicast_startup_query_count; 221eb1d1641SHerbert Xu 222eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 223eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 224eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 225eb1d1641SHerbert Xu unsigned long multicast_query_interval; 226eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 227eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 228eb1d1641SHerbert Xu 229eb1d1641SHerbert Xu spinlock_t multicast_lock; 230e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 231eb1d1641SHerbert Xu struct hlist_head router_list; 232eb1d1641SHerbert Xu struct hlist_head mglist; 233eb1d1641SHerbert Xu 234eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 235eb1d1641SHerbert Xu struct timer_list multicast_querier_timer; 236eb1d1641SHerbert Xu struct timer_list multicast_query_timer; 237eb1d1641SHerbert Xu #endif 238eb1d1641SHerbert Xu 2391da177e4SLinus Torvalds struct timer_list hello_timer; 2401da177e4SLinus Torvalds struct timer_list tcn_timer; 2411da177e4SLinus Torvalds struct timer_list topology_change_timer; 2421da177e4SLinus Torvalds struct timer_list gc_timer; 24343b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 2441da177e4SLinus Torvalds }; 2451da177e4SLinus Torvalds 24668b7c895SHerbert Xu struct br_input_skb_cb { 24768b7c895SHerbert Xu struct net_device *brdev; 24832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 249eb1d1641SHerbert Xu int igmp; 250eb1d1641SHerbert Xu int mrouters_only; 25132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 25268b7c895SHerbert Xu }; 25368b7c895SHerbert Xu 25468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 25568b7c895SHerbert Xu 25632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 25732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 25832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 25932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 26032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 26132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 26228a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 26328a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 26428a16c97Sstephen hemminger 26528a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 26628a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 26728a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 26828a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 26928a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 27028a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 27128a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 27228a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 27328a16c97Sstephen hemminger 27428a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 27528a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 27628a16c97Sstephen hemminger 2771da177e4SLinus Torvalds extern struct notifier_block br_device_notifier; 278fda93d92SStephen Hemminger extern const u8 br_group_address[ETH_ALEN]; 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds /* called under bridge lock */ 2811da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 2821da177e4SLinus Torvalds { 2831da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 2841da177e4SLinus Torvalds } 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds /* br_device.c */ 2871da177e4SLinus Torvalds extern void br_dev_setup(struct net_device *dev); 2886fef4c0cSStephen Hemminger extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, 2896fef4c0cSStephen Hemminger struct net_device *dev); 290cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 29191d2c34aSHerbert Xu static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) 29291d2c34aSHerbert Xu { 29391d2c34aSHerbert Xu return br->dev->npinfo; 29491d2c34aSHerbert Xu } 295cfb478daSstephen hemminger 29691d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 29791d2c34aSHerbert Xu struct sk_buff *skb) 29891d2c34aSHerbert Xu { 29991d2c34aSHerbert Xu struct netpoll *np = p->np; 30091d2c34aSHerbert Xu 30191d2c34aSHerbert Xu if (np) 30291d2c34aSHerbert Xu netpoll_send_skb(np, skb); 30391d2c34aSHerbert Xu } 30491d2c34aSHerbert Xu 30591d2c34aSHerbert Xu extern int br_netpoll_enable(struct net_bridge_port *p); 30691d2c34aSHerbert Xu extern void br_netpoll_disable(struct net_bridge_port *p); 30791d2c34aSHerbert Xu #else 30891d2c34aSHerbert Xu static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) 30991d2c34aSHerbert Xu { 31091d2c34aSHerbert Xu return NULL; 31191d2c34aSHerbert Xu } 31291d2c34aSHerbert Xu 3139f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 31491d2c34aSHerbert Xu struct sk_buff *skb) 31591d2c34aSHerbert Xu { 31691d2c34aSHerbert Xu } 31791d2c34aSHerbert Xu 31891d2c34aSHerbert Xu static inline int br_netpoll_enable(struct net_bridge_port *p) 31991d2c34aSHerbert Xu { 32091d2c34aSHerbert Xu return 0; 32191d2c34aSHerbert Xu } 32291d2c34aSHerbert Xu 32391d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 32491d2c34aSHerbert Xu { 32591d2c34aSHerbert Xu } 326cfb478daSstephen hemminger #endif 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds /* br_fdb.c */ 32987a596e0SAkinobu Mita extern int br_fdb_init(void); 3301da177e4SLinus Torvalds extern void br_fdb_fini(void); 3319cf63747SStephen Hemminger extern void br_fdb_flush(struct net_bridge *br); 3321da177e4SLinus Torvalds extern void br_fdb_changeaddr(struct net_bridge_port *p, 3331da177e4SLinus Torvalds const unsigned char *newaddr); 3341da177e4SLinus Torvalds extern void br_fdb_cleanup(unsigned long arg); 3351da177e4SLinus Torvalds extern void br_fdb_delete_by_port(struct net_bridge *br, 3361a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 3371da177e4SLinus Torvalds extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 3381da177e4SLinus Torvalds const unsigned char *addr); 339da678292SMichał Mirosław extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 3401da177e4SLinus Torvalds extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, 3411da177e4SLinus Torvalds unsigned long count, unsigned long off); 3421da177e4SLinus Torvalds extern int br_fdb_insert(struct net_bridge *br, 3431da177e4SLinus Torvalds struct net_bridge_port *source, 3441da177e4SLinus Torvalds const unsigned char *addr); 3451da177e4SLinus Torvalds extern void br_fdb_update(struct net_bridge *br, 3461da177e4SLinus Torvalds struct net_bridge_port *source, 3471da177e4SLinus Torvalds const unsigned char *addr); 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds /* br_forward.c */ 3501da177e4SLinus Torvalds extern void br_deliver(const struct net_bridge_port *to, 3511da177e4SLinus Torvalds struct sk_buff *skb); 3521da177e4SLinus Torvalds extern int br_dev_queue_push_xmit(struct sk_buff *skb); 3531da177e4SLinus Torvalds extern void br_forward(const struct net_bridge_port *to, 3547f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 3551da177e4SLinus Torvalds extern int br_forward_finish(struct sk_buff *skb); 356e081e1e3SHerbert Xu extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); 357b33084beSHerbert Xu extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 358b33084beSHerbert Xu struct sk_buff *skb2); 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds /* br_if.c */ 361269def7cSStephen Hemminger extern void br_port_carrier_check(struct net_bridge_port *p); 3624aa678baSAlexey Dobriyan extern int br_add_bridge(struct net *net, const char *name); 3634aa678baSAlexey Dobriyan extern int br_del_bridge(struct net *net, const char *name); 364712d6954SAlexey Dobriyan extern void br_net_exit(struct net *net); 3651da177e4SLinus Torvalds extern int br_add_if(struct net_bridge *br, 3661da177e4SLinus Torvalds struct net_device *dev); 3671da177e4SLinus Torvalds extern int br_del_if(struct net_bridge *br, 3681da177e4SLinus Torvalds struct net_device *dev); 3691da177e4SLinus Torvalds extern int br_min_mtu(const struct net_bridge *br); 37081d35307SStephen Hemminger extern void br_features_recompute(struct net_bridge *br); 3711da177e4SLinus Torvalds 3721da177e4SLinus Torvalds /* br_input.c */ 3731da177e4SLinus Torvalds extern int br_handle_frame_finish(struct sk_buff *skb); 374ab95bfe0SJiri Pirko extern struct sk_buff *br_handle_frame(struct sk_buff *skb); 3751da177e4SLinus Torvalds 3761da177e4SLinus Torvalds /* br_ioctl.c */ 3771da177e4SLinus Torvalds extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 378881d966bSEric W. Biederman extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); 3791da177e4SLinus Torvalds 380eb1d1641SHerbert Xu /* br_multicast.c */ 381eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 382eb1d1641SHerbert Xu extern int br_multicast_rcv(struct net_bridge *br, 383eb1d1641SHerbert Xu struct net_bridge_port *port, 384eb1d1641SHerbert Xu struct sk_buff *skb); 385eb1d1641SHerbert Xu extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 386eb1d1641SHerbert Xu struct sk_buff *skb); 387eb1d1641SHerbert Xu extern void br_multicast_add_port(struct net_bridge_port *port); 388eb1d1641SHerbert Xu extern void br_multicast_del_port(struct net_bridge_port *port); 389eb1d1641SHerbert Xu extern void br_multicast_enable_port(struct net_bridge_port *port); 390eb1d1641SHerbert Xu extern void br_multicast_disable_port(struct net_bridge_port *port); 391eb1d1641SHerbert Xu extern void br_multicast_init(struct net_bridge *br); 392eb1d1641SHerbert Xu extern void br_multicast_open(struct net_bridge *br); 393eb1d1641SHerbert Xu extern void br_multicast_stop(struct net_bridge *br); 3945cb5e947SHerbert Xu extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 3955cb5e947SHerbert Xu struct sk_buff *skb); 3965cb5e947SHerbert Xu extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 3975cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 3980909e117SHerbert Xu extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); 3990909e117SHerbert Xu extern int br_multicast_set_port_router(struct net_bridge_port *p, 4000909e117SHerbert Xu unsigned long val); 401561f1103SHerbert Xu extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); 402b195167fSHerbert Xu extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 40385b35269SSridhar Samudrala 40485b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 40585b35269SSridhar Samudrala { 40685b35269SSridhar Samudrala return br->multicast_router == 2 || 40785b35269SSridhar Samudrala (br->multicast_router == 1 && 40885b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 40985b35269SSridhar Samudrala } 410eb1d1641SHerbert Xu #else 411eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 412eb1d1641SHerbert Xu struct net_bridge_port *port, 413eb1d1641SHerbert Xu struct sk_buff *skb) 414eb1d1641SHerbert Xu { 415eb1d1641SHerbert Xu return 0; 416eb1d1641SHerbert Xu } 417eb1d1641SHerbert Xu 418eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 419eb1d1641SHerbert Xu struct sk_buff *skb) 420eb1d1641SHerbert Xu { 421eb1d1641SHerbert Xu return NULL; 422eb1d1641SHerbert Xu } 423eb1d1641SHerbert Xu 424eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 425eb1d1641SHerbert Xu { 426eb1d1641SHerbert Xu } 427eb1d1641SHerbert Xu 428eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 429eb1d1641SHerbert Xu { 430eb1d1641SHerbert Xu } 431eb1d1641SHerbert Xu 432eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 433eb1d1641SHerbert Xu { 434eb1d1641SHerbert Xu } 435eb1d1641SHerbert Xu 436eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 437eb1d1641SHerbert Xu { 438eb1d1641SHerbert Xu } 439eb1d1641SHerbert Xu 440eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 441eb1d1641SHerbert Xu { 442eb1d1641SHerbert Xu } 443eb1d1641SHerbert Xu 444eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 445eb1d1641SHerbert Xu { 446eb1d1641SHerbert Xu } 447eb1d1641SHerbert Xu 448eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 449eb1d1641SHerbert Xu { 450eb1d1641SHerbert Xu } 4515cb5e947SHerbert Xu 4525cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 4535cb5e947SHerbert Xu struct sk_buff *skb) 4545cb5e947SHerbert Xu { 4555cb5e947SHerbert Xu } 4565cb5e947SHerbert Xu 4575cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 4585cb5e947SHerbert Xu struct sk_buff *skb, 4595cb5e947SHerbert Xu struct sk_buff *skb2) 4605cb5e947SHerbert Xu { 4615cb5e947SHerbert Xu } 462eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 463eb1d1641SHerbert Xu { 46485b35269SSridhar Samudrala return 0; 465eb1d1641SHerbert Xu } 46685b35269SSridhar Samudrala #endif 467eb1d1641SHerbert Xu 4681da177e4SLinus Torvalds /* br_netfilter.c */ 469c0909713SStephen Hemminger #ifdef CONFIG_BRIDGE_NETFILTER 4701da177e4SLinus Torvalds extern int br_netfilter_init(void); 4711da177e4SLinus Torvalds extern void br_netfilter_fini(void); 4724adf0af6SSimon Wunderlich extern void br_netfilter_rtable_init(struct net_bridge *); 473c0909713SStephen Hemminger #else 474c0909713SStephen Hemminger #define br_netfilter_init() (0) 475c0909713SStephen Hemminger #define br_netfilter_fini() do { } while(0) 4764adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 477c0909713SStephen Hemminger #endif 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds /* br_stp.c */ 4801da177e4SLinus Torvalds extern void br_log_state(const struct net_bridge_port *p); 4811da177e4SLinus Torvalds extern struct net_bridge_port *br_get_port(struct net_bridge *br, 4821da177e4SLinus Torvalds u16 port_no); 4831da177e4SLinus Torvalds extern void br_init_port(struct net_bridge_port *p); 4841da177e4SLinus Torvalds extern void br_become_designated_port(struct net_bridge_port *p); 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds /* br_stp_if.c */ 4871da177e4SLinus Torvalds extern void br_stp_enable_bridge(struct net_bridge *br); 4881da177e4SLinus Torvalds extern void br_stp_disable_bridge(struct net_bridge *br); 4899cde0708SStephen Hemminger extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 4901da177e4SLinus Torvalds extern void br_stp_enable_port(struct net_bridge_port *p); 4911da177e4SLinus Torvalds extern void br_stp_disable_port(struct net_bridge_port *p); 4921da177e4SLinus Torvalds extern void br_stp_recalculate_bridge_id(struct net_bridge *br); 4934505a3efSStephen Hemminger extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 4941da177e4SLinus Torvalds extern void br_stp_set_bridge_priority(struct net_bridge *br, 4951da177e4SLinus Torvalds u16 newprio); 4961da177e4SLinus Torvalds extern void br_stp_set_port_priority(struct net_bridge_port *p, 4971da177e4SLinus Torvalds u8 newprio); 4981da177e4SLinus Torvalds extern void br_stp_set_path_cost(struct net_bridge_port *p, 4991da177e4SLinus Torvalds u32 path_cost); 5001da177e4SLinus Torvalds extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 5011da177e4SLinus Torvalds 5021da177e4SLinus Torvalds /* br_stp_bpdu.c */ 5037c85fbf0SPatrick McHardy struct stp_proto; 5047c85fbf0SPatrick McHardy extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 5057c85fbf0SPatrick McHardy struct net_device *dev); 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds /* br_stp_timer.c */ 5081da177e4SLinus Torvalds extern void br_stp_timer_init(struct net_bridge *br); 5091da177e4SLinus Torvalds extern void br_stp_port_timer_init(struct net_bridge_port *p); 5101da177e4SLinus Torvalds extern unsigned long br_timer_value(const struct timer_list *timer); 5111da177e4SLinus Torvalds 5121da177e4SLinus Torvalds /* br.c */ 513da678292SMichał Mirosław #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 514da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 515da678292SMichał Mirosław #endif 5161da177e4SLinus Torvalds 51711dc1f36SStephen Hemminger /* br_netlink.c */ 51832fe21c0SThomas Graf extern int br_netlink_init(void); 51911dc1f36SStephen Hemminger extern void br_netlink_fini(void); 52011dc1f36SStephen Hemminger extern void br_ifinfo_notify(int event, struct net_bridge_port *port); 52111dc1f36SStephen Hemminger 5221da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 5231da177e4SLinus Torvalds /* br_sysfs_if.c */ 52452cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 5251da177e4SLinus Torvalds extern int br_sysfs_addif(struct net_bridge_port *p); 526e0f43752SSimon Arlott extern int br_sysfs_renameif(struct net_bridge_port *p); 5271da177e4SLinus Torvalds 5281da177e4SLinus Torvalds /* br_sysfs_br.c */ 5291da177e4SLinus Torvalds extern int br_sysfs_addbr(struct net_device *dev); 5301da177e4SLinus Torvalds extern void br_sysfs_delbr(struct net_device *dev); 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds #else 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds #define br_sysfs_addif(p) (0) 535e0f43752SSimon Arlott #define br_sysfs_renameif(p) (0) 5361da177e4SLinus Torvalds #define br_sysfs_addbr(dev) (0) 5371da177e4SLinus Torvalds #define br_sysfs_delbr(dev) do { } while(0) 5381da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 5391da177e4SLinus Torvalds 5401da177e4SLinus Torvalds #endif 541