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> 21243a2e63SVlad Yasevich #include <linux/if_vlan.h> 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds #define BR_HASH_BITS 8 241da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define BR_PORT_BITS 10 291da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 30243a2e63SVlad Yasevich #define BR_VLAN_BITMAP_LEN BITS_TO_LONGS(VLAN_N_VID) 311da177e4SLinus Torvalds 329cde0708SStephen Hemminger #define BR_VERSION "2.3" 339cde0708SStephen Hemminger 34515853ccSstephen hemminger /* Control of forwarding link local multicast */ 35515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 36515853ccSstephen hemminger /* Don't allow forwarding control protocols like STP and LLDP */ 37515853ccSstephen hemminger #define BR_GROUPFWD_RESTRICTED 0x4007u 38f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 39f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 40515853ccSstephen hemminger 419cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 429cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 438cbb512eSStephen Hemminger 441da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 451da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 461da177e4SLinus Torvalds typedef __u16 port_id; 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds struct bridge_id 491da177e4SLinus Torvalds { 501da177e4SLinus Torvalds unsigned char prio[2]; 51e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 521da177e4SLinus Torvalds }; 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds struct mac_addr 551da177e4SLinus Torvalds { 56e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 571da177e4SLinus Torvalds }; 581da177e4SLinus Torvalds 59cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 60cc0fdd80SLinus Lüssing /* our own querier */ 6190010b36SLinus Lüssing struct bridge_mcast_own_query { 62cc0fdd80SLinus Lüssing struct timer_list timer; 63cc0fdd80SLinus Lüssing u32 startup_sent; 64cc0fdd80SLinus Lüssing }; 65cc0fdd80SLinus Lüssing 66cc0fdd80SLinus Lüssing /* other querier */ 6790010b36SLinus Lüssing struct bridge_mcast_other_query { 68cc0fdd80SLinus Lüssing struct timer_list timer; 69cc0fdd80SLinus Lüssing unsigned long delay_time; 70cc0fdd80SLinus Lüssing }; 71dc4eb53aSLinus Lüssing 72dc4eb53aSLinus Lüssing /* selected querier */ 73dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 74dc4eb53aSLinus Lüssing struct br_ip addr; 752cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 76dc4eb53aSLinus Lüssing }; 77cc0fdd80SLinus Lüssing #endif 78cc0fdd80SLinus Lüssing 79243a2e63SVlad Yasevich struct net_port_vlans { 80243a2e63SVlad Yasevich u16 port_idx; 8178851988SVlad Yasevich u16 pvid; 82243a2e63SVlad Yasevich union { 83243a2e63SVlad Yasevich struct net_bridge_port *port; 84243a2e63SVlad Yasevich struct net_bridge *br; 85243a2e63SVlad Yasevich } parent; 86243a2e63SVlad Yasevich struct rcu_head rcu; 87243a2e63SVlad Yasevich unsigned long vlan_bitmap[BR_VLAN_BITMAP_LEN]; 8835e03f3aSVlad Yasevich unsigned long untagged_bitmap[BR_VLAN_BITMAP_LEN]; 896cbdceebSVlad Yasevich u16 num_vlans; 90243a2e63SVlad Yasevich }; 91243a2e63SVlad Yasevich 921da177e4SLinus Torvalds struct net_bridge_fdb_entry 931da177e4SLinus Torvalds { 941da177e4SLinus Torvalds struct hlist_node hlist; 951da177e4SLinus Torvalds struct net_bridge_port *dst; 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds struct rcu_head rcu; 987cd8861aSstephen hemminger unsigned long updated; 997cd8861aSstephen hemminger unsigned long used; 1001da177e4SLinus Torvalds mac_addr addr; 10193859b13SJiri Pirko unsigned char is_local:1, 10293859b13SJiri Pirko is_static:1, 103cf6b8e1eSScott Feldman added_by_user:1, 104cf6b8e1eSScott Feldman added_by_external_learn:1; 1052ba071ecSVlad Yasevich __u16 vlan_id; 1061da177e4SLinus Torvalds }; 1071da177e4SLinus Torvalds 108eb1d1641SHerbert Xu struct net_bridge_port_group { 109eb1d1641SHerbert Xu struct net_bridge_port *port; 110e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 111eb1d1641SHerbert Xu struct hlist_node mglist; 112eb1d1641SHerbert Xu struct rcu_head rcu; 113eb1d1641SHerbert Xu struct timer_list timer; 1148ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 115ccb1c31aSAmerigo Wang unsigned char state; 116eb1d1641SHerbert Xu }; 117eb1d1641SHerbert Xu 118eb1d1641SHerbert Xu struct net_bridge_mdb_entry 119eb1d1641SHerbert Xu { 120eb1d1641SHerbert Xu struct hlist_node hlist[2]; 121eb1d1641SHerbert Xu struct net_bridge *br; 122e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 123eb1d1641SHerbert Xu struct rcu_head rcu; 124eb1d1641SHerbert Xu struct timer_list timer; 1258ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1268a870178SHerbert Xu bool mglist; 127eb1d1641SHerbert Xu }; 128eb1d1641SHerbert Xu 129eb1d1641SHerbert Xu struct net_bridge_mdb_htable 130eb1d1641SHerbert Xu { 131eb1d1641SHerbert Xu struct hlist_head *mhash; 132eb1d1641SHerbert Xu struct rcu_head rcu; 133eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 134eb1d1641SHerbert Xu u32 size; 135eb1d1641SHerbert Xu u32 max; 136eb1d1641SHerbert Xu u32 secret; 137eb1d1641SHerbert Xu u32 ver; 138eb1d1641SHerbert Xu }; 139eb1d1641SHerbert Xu 1401da177e4SLinus Torvalds struct net_bridge_port 1411da177e4SLinus Torvalds { 1421da177e4SLinus Torvalds struct net_bridge *br; 1431da177e4SLinus Torvalds struct net_device *dev; 1441da177e4SLinus Torvalds struct list_head list; 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds /* STP */ 1471da177e4SLinus Torvalds u8 priority; 1481da177e4SLinus Torvalds u8 state; 1491da177e4SLinus Torvalds u16 port_no; 1501da177e4SLinus Torvalds unsigned char topology_change_ack; 1511da177e4SLinus Torvalds unsigned char config_pending; 1521da177e4SLinus Torvalds port_id port_id; 1531da177e4SLinus Torvalds port_id designated_port; 1541da177e4SLinus Torvalds bridge_id designated_root; 1551da177e4SLinus Torvalds bridge_id designated_bridge; 1561da177e4SLinus Torvalds u32 path_cost; 1571da177e4SLinus Torvalds u32 designated_cost; 1580c03150eSstephen hemminger unsigned long designated_age; 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds struct timer_list forward_delay_timer; 1611da177e4SLinus Torvalds struct timer_list hold_timer; 1621da177e4SLinus Torvalds struct timer_list message_age_timer; 1631da177e4SLinus Torvalds struct kobject kobj; 1641da177e4SLinus Torvalds struct rcu_head rcu; 1653982d3d2SFischer, Anna 1663982d3d2SFischer, Anna unsigned long flags; 1673982d3d2SFischer, Anna #define BR_HAIRPIN_MODE 0x00000001 168a2e01a65Sstephen hemminger #define BR_BPDU_GUARD 0x00000002 1691007dd1aSstephen hemminger #define BR_ROOT_BLOCK 0x00000004 170c2d3babfSDavid S. Miller #define BR_MULTICAST_FAST_LEAVE 0x00000008 1718f3359bdSstephen hemminger #define BR_ADMIN_COST 0x00000010 1729ba18891SVlad Yasevich #define BR_LEARNING 0x00000020 173867a5943SVlad Yasevich #define BR_FLOOD 0x00000040 174e028e4b8SVlad Yasevich #define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING) 175f3a6ddf1SVlad Yasevich #define BR_PROMISC 0x00000080 17695850116SKyeyoon Park #define BR_PROXYARP 0x00000100 177eb1d1641SHerbert Xu 178eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 17990010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 180cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 18190010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 182cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 183eb1d1641SHerbert Xu unsigned char multicast_router; 184eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 185eb1d1641SHerbert Xu struct hlist_head mglist; 186eb1d1641SHerbert Xu struct hlist_node rlist; 187eb1d1641SHerbert Xu #endif 188e0f43752SSimon Arlott 189e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 190e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 191e0f43752SSimon Arlott #endif 19291d2c34aSHerbert Xu 19391d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 19491d2c34aSHerbert Xu struct netpoll *np; 19591d2c34aSHerbert Xu #endif 196243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 197243a2e63SVlad Yasevich struct net_port_vlans __rcu *vlan_info; 198243a2e63SVlad Yasevich #endif 1991da177e4SLinus Torvalds }; 2001da177e4SLinus Torvalds 201e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 202f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 203e028e4b8SVlad Yasevich 204f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 205f350a0a8SJiri Pirko 206b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 207b5ed54e9Sstephen hemminger { 208716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 209b5ed54e9Sstephen hemminger } 210b5ed54e9Sstephen hemminger 2111fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 212b5ed54e9Sstephen hemminger { 213ec1e5610SEric Dumazet return br_port_exists(dev) ? 214ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 215b5ed54e9Sstephen hemminger } 216b5ed54e9Sstephen hemminger 2171da177e4SLinus Torvalds struct net_bridge 2181da177e4SLinus Torvalds { 2191da177e4SLinus Torvalds spinlock_t lock; 2201da177e4SLinus Torvalds struct list_head port_list; 2211da177e4SLinus Torvalds struct net_device *dev; 22214bb4789Sstephen hemminger 2238f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 2241da177e4SLinus Torvalds spinlock_t hash_lock; 2251da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 22634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 2274adf0af6SSimon Wunderlich struct rtable fake_rtable; 2284df53d8bSPatrick McHardy bool nf_call_iptables; 2294df53d8bSPatrick McHardy bool nf_call_ip6tables; 2304df53d8bSPatrick McHardy bool nf_call_arptables; 2314adf0af6SSimon Wunderlich #endif 232515853ccSstephen hemminger u16 group_fwd_mask; 233f2808d22SToshiaki Makita u16 group_fwd_mask_required; 234515853ccSstephen hemminger 2351da177e4SLinus Torvalds /* STP */ 2361da177e4SLinus Torvalds bridge_id designated_root; 2371da177e4SLinus Torvalds bridge_id bridge_id; 2381da177e4SLinus Torvalds u32 root_path_cost; 2391da177e4SLinus Torvalds unsigned long max_age; 2401da177e4SLinus Torvalds unsigned long hello_time; 2411da177e4SLinus Torvalds unsigned long forward_delay; 2421da177e4SLinus Torvalds unsigned long bridge_max_age; 2431da177e4SLinus Torvalds unsigned long ageing_time; 2441da177e4SLinus Torvalds unsigned long bridge_hello_time; 2451da177e4SLinus Torvalds unsigned long bridge_forward_delay; 2461da177e4SLinus Torvalds 247fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 248204177f3SToshiaki Makita bool group_addr_set; 2491da177e4SLinus Torvalds u16 root_port; 2509cde0708SStephen Hemminger 2519cde0708SStephen Hemminger enum { 2529cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 2539cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 2549cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 2559cde0708SStephen Hemminger } stp_enabled; 2569cde0708SStephen Hemminger 2571da177e4SLinus Torvalds unsigned char topology_change; 2581da177e4SLinus Torvalds unsigned char topology_change_detected; 2591da177e4SLinus Torvalds 260eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 261eb1d1641SHerbert Xu unsigned char multicast_router; 262eb1d1641SHerbert Xu 263eb1d1641SHerbert Xu u8 multicast_disabled:1; 264c5c23260SHerbert Xu u8 multicast_querier:1; 2651c8ad5bfSCong Wang u8 multicast_query_use_ifaddr:1; 266eb1d1641SHerbert Xu 267eb1d1641SHerbert Xu u32 hash_elasticity; 268eb1d1641SHerbert Xu u32 hash_max; 269eb1d1641SHerbert Xu 270eb1d1641SHerbert Xu u32 multicast_last_member_count; 271eb1d1641SHerbert Xu u32 multicast_startup_query_count; 272eb1d1641SHerbert Xu 273eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 274eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 275eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 276eb1d1641SHerbert Xu unsigned long multicast_query_interval; 277eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 278eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 279eb1d1641SHerbert Xu 280eb1d1641SHerbert Xu spinlock_t multicast_lock; 281e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 282eb1d1641SHerbert Xu struct hlist_head router_list; 283eb1d1641SHerbert Xu 284eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 28590010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 28690010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 287dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 288cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 28990010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 29090010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 291dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 292cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 293eb1d1641SHerbert Xu #endif 294eb1d1641SHerbert Xu 2951da177e4SLinus Torvalds struct timer_list hello_timer; 2961da177e4SLinus Torvalds struct timer_list tcn_timer; 2971da177e4SLinus Torvalds struct timer_list topology_change_timer; 2981da177e4SLinus Torvalds struct timer_list gc_timer; 29943b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 300e028e4b8SVlad Yasevich u32 auto_cnt; 301243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 302243a2e63SVlad Yasevich u8 vlan_enabled; 3038580e211SToshiaki Makita __be16 vlan_proto; 30496a20d9dSVlad Yasevich u16 default_pvid; 305243a2e63SVlad Yasevich struct net_port_vlans __rcu *vlan_info; 306243a2e63SVlad Yasevich #endif 3071da177e4SLinus Torvalds }; 3081da177e4SLinus Torvalds 30968b7c895SHerbert Xu struct br_input_skb_cb { 31068b7c895SHerbert Xu struct net_device *brdev; 31193fdd47eSHerbert Xu 31232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 313eb1d1641SHerbert Xu int igmp; 314eb1d1641SHerbert Xu int mrouters_only; 31532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 31693fdd47eSHerbert Xu 31793fdd47eSHerbert Xu u16 frag_max_size; 31893fdd47eSHerbert Xu 31920adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 32020adfa1aSVlad Yasevich bool vlan_filtered; 32120adfa1aSVlad Yasevich #endif 32268b7c895SHerbert Xu }; 32368b7c895SHerbert Xu 32468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 32568b7c895SHerbert Xu 32632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 32732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 32832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 32932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 33032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 33132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 33228a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 33328a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 33428a16c97Sstephen hemminger 33528a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 33628a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 33728a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 33828a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 33928a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 34028a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 34128a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 34228a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 34328a16c97Sstephen hemminger 34428a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 34528a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 34628a16c97Sstephen hemminger 3471da177e4SLinus Torvalds /* called under bridge lock */ 3481da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 3491da177e4SLinus Torvalds { 3501da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds /* br_device.c */ 354348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 355348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 356348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 357cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 35891d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 35991d2c34aSHerbert Xu struct sk_buff *skb) 36091d2c34aSHerbert Xu { 36191d2c34aSHerbert Xu struct netpoll *np = p->np; 36291d2c34aSHerbert Xu 36391d2c34aSHerbert Xu if (np) 36491d2c34aSHerbert Xu netpoll_send_skb(np, skb); 36591d2c34aSHerbert Xu } 36691d2c34aSHerbert Xu 367a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 368348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 36991d2c34aSHerbert Xu #else 3709f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 37191d2c34aSHerbert Xu struct sk_buff *skb) 37291d2c34aSHerbert Xu { 37391d2c34aSHerbert Xu } 37491d2c34aSHerbert Xu 375a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 37691d2c34aSHerbert Xu { 37791d2c34aSHerbert Xu return 0; 37891d2c34aSHerbert Xu } 37991d2c34aSHerbert Xu 38091d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 38191d2c34aSHerbert Xu { 38291d2c34aSHerbert Xu } 383cfb478daSstephen hemminger #endif 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds /* br_fdb.c */ 386348662a1SJoe Perches int br_fdb_init(void); 387348662a1SJoe Perches void br_fdb_fini(void); 388348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 389424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 390424bb9c9SToshiaki Makita const struct net_bridge_port *p, 391424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 392348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 393348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 394348662a1SJoe Perches void br_fdb_cleanup(unsigned long arg); 395348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 3961a620698SStephen Hemminger const struct net_bridge_port *p, int do_all); 397348662a1SJoe Perches struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 398348662a1SJoe Perches const unsigned char *addr, __u16 vid); 399348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 400348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 401348662a1SJoe Perches unsigned long off); 402348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 403348662a1SJoe Perches const unsigned char *addr, u16 vid); 404348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 405a5642ab4SToshiaki Makita const unsigned char *addr, u16 vid, bool added_by_user); 40677162022SJohn Fastabend 407348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 408f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 409348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 410f6f6424bSJiri Pirko const unsigned char *addr, u16 vid, u16 nlh_flags); 411348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 4125d5eacb3SJamal Hadi Salim struct net_device *dev, struct net_device *fdev, int idx); 4138db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 4148db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds /* br_forward.c */ 417348662a1SJoe Perches void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb); 418348662a1SJoe Perches int br_dev_queue_push_xmit(struct sk_buff *skb); 419348662a1SJoe Perches void br_forward(const struct net_bridge_port *to, 4207f7708f0SMichael Braun struct sk_buff *skb, struct sk_buff *skb0); 421348662a1SJoe Perches int br_forward_finish(struct sk_buff *skb); 422348662a1SJoe Perches void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast); 423348662a1SJoe Perches void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, 424867a5943SVlad Yasevich struct sk_buff *skb2, bool unicast); 4251da177e4SLinus Torvalds 4261da177e4SLinus Torvalds /* br_if.c */ 427348662a1SJoe Perches void br_port_carrier_check(struct net_bridge_port *p); 428348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 429348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 430348662a1SJoe Perches int br_add_if(struct net_bridge *br, struct net_device *dev); 431348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 432348662a1SJoe Perches int br_min_mtu(const struct net_bridge *br); 433348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 434c8f44affSMichał Mirosław netdev_features_t features); 435e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 4362796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds /* br_input.c */ 439348662a1SJoe Perches int br_handle_frame_finish(struct sk_buff *skb); 440348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 4411da177e4SLinus Torvalds 442859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 443859828c0SJiri Pirko { 444859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 445859828c0SJiri Pirko } 446859828c0SJiri Pirko 447859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 448859828c0SJiri Pirko { 449859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 450859828c0SJiri Pirko } 451859828c0SJiri Pirko 4521da177e4SLinus Torvalds /* br_ioctl.c */ 453348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 454348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 455348662a1SJoe Perches void __user *arg); 4561da177e4SLinus Torvalds 457eb1d1641SHerbert Xu /* br_multicast.c */ 458eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 4592ce297fcSCong Wang extern unsigned int br_mdb_rehash_seq; 460348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 461fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 462348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 463eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 464348662a1SJoe Perches void br_multicast_add_port(struct net_bridge_port *port); 465348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 466348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 467348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 468348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 469348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 470348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 471348662a1SJoe Perches void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 4725cb5e947SHerbert Xu struct sk_buff *skb); 473348662a1SJoe Perches void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 4745cb5e947SHerbert Xu struct sk_buff *skb, struct sk_buff *skb2); 475348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 476348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 477348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 478348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 479348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 480348662a1SJoe Perches struct net_bridge_mdb_entry * 481348662a1SJoe Perches br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); 482348662a1SJoe Perches struct net_bridge_mdb_entry * 483348662a1SJoe Perches br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, 484348662a1SJoe Perches struct br_ip *group); 485348662a1SJoe Perches void br_multicast_free_pg(struct rcu_head *head); 486348662a1SJoe Perches struct net_bridge_port_group * 487348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 488762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 489ccb1c31aSAmerigo Wang unsigned char state); 490348662a1SJoe Perches void br_mdb_init(void); 491348662a1SJoe Perches void br_mdb_uninit(void); 492348662a1SJoe Perches void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 49337a393bcSCong Wang struct br_ip *group, int type); 49485b35269SSridhar Samudrala 495cfd56754SCong Wang #define mlock_dereference(X, br) \ 496cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 497cfd56754SCong Wang 49885b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 49985b35269SSridhar Samudrala { 50085b35269SSridhar Samudrala return br->multicast_router == 2 || 50185b35269SSridhar Samudrala (br->multicast_router == 1 && 50285b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 50385b35269SSridhar Samudrala } 504b00589afSLinus Lüssing 505cc0fdd80SLinus Lüssing static inline bool 506cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 50790010b36SLinus Lüssing struct bridge_mcast_other_query *querier) 508b00589afSLinus Lüssing { 509cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 510cc0fdd80SLinus Lüssing (br->multicast_querier || timer_pending(&querier->timer)); 511cc0fdd80SLinus Lüssing } 512cc0fdd80SLinus Lüssing 513cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 514cc0fdd80SLinus Lüssing struct ethhdr *eth) 515cc0fdd80SLinus Lüssing { 516cc0fdd80SLinus Lüssing switch (eth->h_proto) { 517cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 51890010b36SLinus Lüssing return __br_multicast_querier_exists(br, &br->ip4_other_query); 519cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 520cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 52190010b36SLinus Lüssing return __br_multicast_querier_exists(br, &br->ip6_other_query); 522cc0fdd80SLinus Lüssing #endif 523cc0fdd80SLinus Lüssing default: 524cc0fdd80SLinus Lüssing return false; 525cc0fdd80SLinus Lüssing } 526b00589afSLinus Lüssing } 527eb1d1641SHerbert Xu #else 528eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 529eb1d1641SHerbert Xu struct net_bridge_port *port, 53006499098SVlad Yasevich struct sk_buff *skb, 53106499098SVlad Yasevich u16 vid) 532eb1d1641SHerbert Xu { 533eb1d1641SHerbert Xu return 0; 534eb1d1641SHerbert Xu } 535eb1d1641SHerbert Xu 536eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 537fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 538eb1d1641SHerbert Xu { 539eb1d1641SHerbert Xu return NULL; 540eb1d1641SHerbert Xu } 541eb1d1641SHerbert Xu 542eb1d1641SHerbert Xu static inline void br_multicast_add_port(struct net_bridge_port *port) 543eb1d1641SHerbert Xu { 544eb1d1641SHerbert Xu } 545eb1d1641SHerbert Xu 546eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 547eb1d1641SHerbert Xu { 548eb1d1641SHerbert Xu } 549eb1d1641SHerbert Xu 550eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 551eb1d1641SHerbert Xu { 552eb1d1641SHerbert Xu } 553eb1d1641SHerbert Xu 554eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 555eb1d1641SHerbert Xu { 556eb1d1641SHerbert Xu } 557eb1d1641SHerbert Xu 558eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 559eb1d1641SHerbert Xu { 560eb1d1641SHerbert Xu } 561eb1d1641SHerbert Xu 562eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 563eb1d1641SHerbert Xu { 564eb1d1641SHerbert Xu } 565eb1d1641SHerbert Xu 566eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 567eb1d1641SHerbert Xu { 568eb1d1641SHerbert Xu } 5695cb5e947SHerbert Xu 5705cb5e947SHerbert Xu static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, 5715cb5e947SHerbert Xu struct sk_buff *skb) 5725cb5e947SHerbert Xu { 5735cb5e947SHerbert Xu } 5745cb5e947SHerbert Xu 5755cb5e947SHerbert Xu static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, 5765cb5e947SHerbert Xu struct sk_buff *skb, 5775cb5e947SHerbert Xu struct sk_buff *skb2) 5785cb5e947SHerbert Xu { 5795cb5e947SHerbert Xu } 580eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 581eb1d1641SHerbert Xu { 58285b35269SSridhar Samudrala return 0; 583eb1d1641SHerbert Xu } 584cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 585cc0fdd80SLinus Lüssing struct ethhdr *eth) 586b00589afSLinus Lüssing { 587b00589afSLinus Lüssing return false; 588b00589afSLinus Lüssing } 589fdb184d1SRami Rosen static inline void br_mdb_init(void) 590fdb184d1SRami Rosen { 591fdb184d1SRami Rosen } 592fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 593fdb184d1SRami Rosen { 594fdb184d1SRami Rosen } 59585b35269SSridhar Samudrala #endif 596eb1d1641SHerbert Xu 597243a2e63SVlad Yasevich /* br_vlan.c */ 598243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 599348662a1SJoe Perches bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, 60078851988SVlad Yasevich struct sk_buff *skb, u16 *vid); 601348662a1SJoe Perches bool br_allowed_egress(struct net_bridge *br, const struct net_port_vlans *v, 60285f46c6bSVlad Yasevich const struct sk_buff *skb); 603e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 604348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 60578851988SVlad Yasevich const struct net_port_vlans *v, 60678851988SVlad Yasevich struct sk_buff *skb); 607348662a1SJoe Perches int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); 608348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 609348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 6102b292fb4SToshiaki Makita bool br_vlan_find(struct net_bridge *br, u16 vid); 611204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 612348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 613204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 6145be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 61596a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 616348662a1SJoe Perches int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); 617348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 618348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 619348662a1SJoe Perches bool nbp_vlan_find(struct net_bridge_port *port, u16 vid); 6205be5a2dfSVlad Yasevich int nbp_vlan_init(struct net_bridge_port *port); 621a37b85c9SVlad Yasevich 622a37b85c9SVlad Yasevich static inline struct net_port_vlans *br_get_vlan_info( 623a37b85c9SVlad Yasevich const struct net_bridge *br) 624a37b85c9SVlad Yasevich { 6251690be63SVlad Yasevich return rcu_dereference_rtnl(br->vlan_info); 626a37b85c9SVlad Yasevich } 627a37b85c9SVlad Yasevich 628a37b85c9SVlad Yasevich static inline struct net_port_vlans *nbp_get_vlan_info( 629a37b85c9SVlad Yasevich const struct net_bridge_port *p) 630a37b85c9SVlad Yasevich { 6311690be63SVlad Yasevich return rcu_dereference_rtnl(p->vlan_info); 632a37b85c9SVlad Yasevich } 633a37b85c9SVlad Yasevich 634a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 635a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 636a37b85c9SVlad Yasevich */ 637a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 638a37b85c9SVlad Yasevich { 639a37b85c9SVlad Yasevich int err = 0; 640a37b85c9SVlad Yasevich 641a37b85c9SVlad Yasevich if (vlan_tx_tag_present(skb)) 642a37b85c9SVlad Yasevich *vid = vlan_tx_tag_get(skb) & VLAN_VID_MASK; 643a37b85c9SVlad Yasevich else { 644a37b85c9SVlad Yasevich *vid = 0; 645a37b85c9SVlad Yasevich err = -EINVAL; 646a37b85c9SVlad Yasevich } 647a37b85c9SVlad Yasevich 648a37b85c9SVlad Yasevich return err; 649a37b85c9SVlad Yasevich } 65078851988SVlad Yasevich 65178851988SVlad Yasevich static inline u16 br_get_pvid(const struct net_port_vlans *v) 65278851988SVlad Yasevich { 6535be5a2dfSVlad Yasevich if (!v) 6545be5a2dfSVlad Yasevich return 0; 6555be5a2dfSVlad Yasevich 65678851988SVlad Yasevich smp_rmb(); 6573df6bf45SVlad Yasevich return v->pvid; 65878851988SVlad Yasevich } 65978851988SVlad Yasevich 6602796d0c6SVlad Yasevich static inline int br_vlan_enabled(struct net_bridge *br) 6612796d0c6SVlad Yasevich { 6622796d0c6SVlad Yasevich return br->vlan_enabled; 6632796d0c6SVlad Yasevich } 664243a2e63SVlad Yasevich #else 665a37b85c9SVlad Yasevich static inline bool br_allowed_ingress(struct net_bridge *br, 666a37b85c9SVlad Yasevich struct net_port_vlans *v, 66778851988SVlad Yasevich struct sk_buff *skb, 66878851988SVlad Yasevich u16 *vid) 669a37b85c9SVlad Yasevich { 670a37b85c9SVlad Yasevich return true; 671a37b85c9SVlad Yasevich } 672a37b85c9SVlad Yasevich 67385f46c6bSVlad Yasevich static inline bool br_allowed_egress(struct net_bridge *br, 67485f46c6bSVlad Yasevich const struct net_port_vlans *v, 67585f46c6bSVlad Yasevich const struct sk_buff *skb) 67685f46c6bSVlad Yasevich { 67785f46c6bSVlad Yasevich return true; 67885f46c6bSVlad Yasevich } 67985f46c6bSVlad Yasevich 680e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 681e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 682e0d7968aSToshiaki Makita { 683e0d7968aSToshiaki Makita return true; 684e0d7968aSToshiaki Makita } 685e0d7968aSToshiaki Makita 68678851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 68778851988SVlad Yasevich const struct net_port_vlans *v, 68878851988SVlad Yasevich struct sk_buff *skb) 68978851988SVlad Yasevich { 69078851988SVlad Yasevich return skb; 69178851988SVlad Yasevich } 69278851988SVlad Yasevich 693552406c4SVlad Yasevich static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) 694243a2e63SVlad Yasevich { 695243a2e63SVlad Yasevich return -EOPNOTSUPP; 696243a2e63SVlad Yasevich } 697243a2e63SVlad Yasevich 698243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 699243a2e63SVlad Yasevich { 700243a2e63SVlad Yasevich return -EOPNOTSUPP; 701243a2e63SVlad Yasevich } 702243a2e63SVlad Yasevich 703243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 704243a2e63SVlad Yasevich { 705243a2e63SVlad Yasevich } 706243a2e63SVlad Yasevich 7072b292fb4SToshiaki Makita static inline bool br_vlan_find(struct net_bridge *br, u16 vid) 7082b292fb4SToshiaki Makita { 7092b292fb4SToshiaki Makita return false; 7102b292fb4SToshiaki Makita } 7112b292fb4SToshiaki Makita 712204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 713204177f3SToshiaki Makita { 714204177f3SToshiaki Makita } 715204177f3SToshiaki Makita 7165be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 7178580e211SToshiaki Makita { 7185be5a2dfSVlad Yasevich return 0; 7198580e211SToshiaki Makita } 7208580e211SToshiaki Makita 721552406c4SVlad Yasevich static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) 722243a2e63SVlad Yasevich { 723243a2e63SVlad Yasevich return -EOPNOTSUPP; 724243a2e63SVlad Yasevich } 725243a2e63SVlad Yasevich 726243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 727243a2e63SVlad Yasevich { 728243a2e63SVlad Yasevich return -EOPNOTSUPP; 729243a2e63SVlad Yasevich } 730243a2e63SVlad Yasevich 731243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 732243a2e63SVlad Yasevich { 733243a2e63SVlad Yasevich } 734243a2e63SVlad Yasevich 735a37b85c9SVlad Yasevich static inline struct net_port_vlans *br_get_vlan_info( 736a37b85c9SVlad Yasevich const struct net_bridge *br) 737a37b85c9SVlad Yasevich { 738a37b85c9SVlad Yasevich return NULL; 739a37b85c9SVlad Yasevich } 740a37b85c9SVlad Yasevich static inline struct net_port_vlans *nbp_get_vlan_info( 741a37b85c9SVlad Yasevich const struct net_bridge_port *p) 742a37b85c9SVlad Yasevich { 743a37b85c9SVlad Yasevich return NULL; 744a37b85c9SVlad Yasevich } 745a37b85c9SVlad Yasevich 746bc9a25d2SVlad Yasevich static inline bool nbp_vlan_find(struct net_bridge_port *port, u16 vid) 747bc9a25d2SVlad Yasevich { 748bc9a25d2SVlad Yasevich return false; 749bc9a25d2SVlad Yasevich } 750bc9a25d2SVlad Yasevich 7515be5a2dfSVlad Yasevich static inline int nbp_vlan_init(struct net_bridge_port *port) 7525be5a2dfSVlad Yasevich { 7535be5a2dfSVlad Yasevich return 0; 7545be5a2dfSVlad Yasevich } 7555be5a2dfSVlad Yasevich 75678851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 757a37b85c9SVlad Yasevich { 758a37b85c9SVlad Yasevich return 0; 759a37b85c9SVlad Yasevich } 76078851988SVlad Yasevich static inline u16 br_get_pvid(const struct net_port_vlans *v) 76178851988SVlad Yasevich { 7623df6bf45SVlad Yasevich return 0; 76378851988SVlad Yasevich } 7642796d0c6SVlad Yasevich 765d4f0e095SAlexei Starovoitov static inline int br_vlan_enabled(struct net_bridge *br) 7662796d0c6SVlad Yasevich { 7672796d0c6SVlad Yasevich return 0; 7682796d0c6SVlad Yasevich } 769243a2e63SVlad Yasevich #endif 770243a2e63SVlad Yasevich 7711da177e4SLinus Torvalds /* br_netfilter.c */ 77234666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 77334666d46SPablo Neira Ayuso int br_nf_core_init(void); 77434666d46SPablo Neira Ayuso void br_nf_core_fini(void); 775348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 776c0909713SStephen Hemminger #else 77734666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 77834666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 7794adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 780c0909713SStephen Hemminger #endif 7811da177e4SLinus Torvalds 7821da177e4SLinus Torvalds /* br_stp.c */ 783348662a1SJoe Perches void br_log_state(const struct net_bridge_port *p); 784775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 785348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 786348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 787348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 7881da177e4SLinus Torvalds 789348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 790348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 791348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 792348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 79314f98f25Sstephen hemminger 79414f98f25Sstephen hemminger 7951da177e4SLinus Torvalds /* br_stp_if.c */ 796348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 797348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 798348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 799348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 800348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 801348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 802348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 803348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 804348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 805348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 806348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 8071da177e4SLinus Torvalds 8081da177e4SLinus Torvalds /* br_stp_bpdu.c */ 8097c85fbf0SPatrick McHardy struct stp_proto; 810348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 8117c85fbf0SPatrick McHardy struct net_device *dev); 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvalds /* br_stp_timer.c */ 814348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 815348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 816348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvalds /* br.c */ 819e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 820da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 821da678292SMichał Mirosław #endif 8221da177e4SLinus Torvalds 82311dc1f36SStephen Hemminger /* br_netlink.c */ 824149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 825348662a1SJoe Perches int br_netlink_init(void); 826348662a1SJoe Perches void br_netlink_fini(void); 827348662a1SJoe Perches void br_ifinfo_notify(int event, struct net_bridge_port *port); 828348662a1SJoe Perches int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg); 829348662a1SJoe Perches int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg); 830348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 831348662a1SJoe Perches u32 filter_mask); 83211dc1f36SStephen Hemminger 8331da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 8341da177e4SLinus Torvalds /* br_sysfs_if.c */ 83552cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 836348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 837348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 8381da177e4SLinus Torvalds 8391da177e4SLinus Torvalds /* br_sysfs_br.c */ 840348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 841348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 8421da177e4SLinus Torvalds 8431da177e4SLinus Torvalds #else 8441da177e4SLinus Torvalds 8450cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 8460cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 8470cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 8480cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 8491da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 8501da177e4SLinus Torvalds 8511da177e4SLinus Torvalds #endif 852