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> 21efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 22243a2e63SVlad Yasevich #include <linux/if_vlan.h> 232594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HASH_BITS 8 261da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #define BR_PORT_BITS 10 311da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 321da177e4SLinus Torvalds 339cde0708SStephen Hemminger #define BR_VERSION "2.3" 349cde0708SStephen Hemminger 35515853ccSstephen hemminger /* Control of forwarding link local multicast */ 36515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 37784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 38784b58a3SBernhard Thaler #define BR_GROUPFWD_RESTRICTED 0x0007u 39f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 40f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 41515853ccSstephen hemminger 429cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 439cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 448cbb512eSStephen Hemminger 451da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 461da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 471da177e4SLinus Torvalds typedef __u16 port_id; 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds struct bridge_id 501da177e4SLinus Torvalds { 511da177e4SLinus Torvalds unsigned char prio[2]; 52e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 531da177e4SLinus Torvalds }; 541da177e4SLinus Torvalds 551da177e4SLinus Torvalds struct mac_addr 561da177e4SLinus Torvalds { 57e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 60cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 61cc0fdd80SLinus Lüssing /* our own querier */ 6290010b36SLinus Lüssing struct bridge_mcast_own_query { 63cc0fdd80SLinus Lüssing struct timer_list timer; 64cc0fdd80SLinus Lüssing u32 startup_sent; 65cc0fdd80SLinus Lüssing }; 66cc0fdd80SLinus Lüssing 67cc0fdd80SLinus Lüssing /* other querier */ 6890010b36SLinus Lüssing struct bridge_mcast_other_query { 69cc0fdd80SLinus Lüssing struct timer_list timer; 70cc0fdd80SLinus Lüssing unsigned long delay_time; 71cc0fdd80SLinus Lüssing }; 72dc4eb53aSLinus Lüssing 73dc4eb53aSLinus Lüssing /* selected querier */ 74dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 75dc4eb53aSLinus Lüssing struct br_ip addr; 762cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 77dc4eb53aSLinus Lüssing }; 781080ab95SNikolay Aleksandrov 791080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 801080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 811080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 821080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 831080ab95SNikolay Aleksandrov }; 84cc0fdd80SLinus Lüssing #endif 85cc0fdd80SLinus Lüssing 866dada9b1SNikolay Aleksandrov struct br_vlan_stats { 876dada9b1SNikolay Aleksandrov u64 rx_bytes; 886dada9b1SNikolay Aleksandrov u64 rx_packets; 896dada9b1SNikolay Aleksandrov u64 tx_bytes; 906dada9b1SNikolay Aleksandrov u64 tx_packets; 916dada9b1SNikolay Aleksandrov struct u64_stats_sync syncp; 926dada9b1SNikolay Aleksandrov }; 936dada9b1SNikolay Aleksandrov 94efa5356bSRoopa Prabhu struct br_tunnel_info { 95efa5356bSRoopa Prabhu __be64 tunnel_id; 96efa5356bSRoopa Prabhu struct metadata_dst *tunnel_dst; 97efa5356bSRoopa Prabhu }; 98efa5356bSRoopa Prabhu 992594e906SNikolay Aleksandrov /** 1002594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1012594e906SNikolay Aleksandrov * 1022594e906SNikolay Aleksandrov * @vnode: rhashtable member 1032594e906SNikolay Aleksandrov * @vid: VLAN id 1042594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1056dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1062594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1072594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1082594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1092594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1102594e906SNikolay Aleksandrov * for this VLAN entry 1112594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1122594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1132594e906SNikolay Aleksandrov * 1142594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1152594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1162594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1172594e906SNikolay Aleksandrov * the entry flags that are set. 1182594e906SNikolay Aleksandrov */ 1192594e906SNikolay Aleksandrov struct net_bridge_vlan { 1202594e906SNikolay Aleksandrov struct rhash_head vnode; 121efa5356bSRoopa Prabhu struct rhash_head tnode; 1222594e906SNikolay Aleksandrov u16 vid; 1232594e906SNikolay Aleksandrov u16 flags; 1246dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 125243a2e63SVlad Yasevich union { 126243a2e63SVlad Yasevich struct net_bridge *br; 1272594e906SNikolay Aleksandrov struct net_bridge_port *port; 1282594e906SNikolay Aleksandrov }; 1292594e906SNikolay Aleksandrov union { 1302594e906SNikolay Aleksandrov atomic_t refcnt; 1312594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1322594e906SNikolay Aleksandrov }; 133efa5356bSRoopa Prabhu 134efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 135efa5356bSRoopa Prabhu 1362594e906SNikolay Aleksandrov struct list_head vlist; 1372594e906SNikolay Aleksandrov 138243a2e63SVlad Yasevich struct rcu_head rcu; 1392594e906SNikolay Aleksandrov }; 1402594e906SNikolay Aleksandrov 1412594e906SNikolay Aleksandrov /** 1422594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1432594e906SNikolay Aleksandrov * 1442594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1452594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1462594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 14777751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 1482594e906SNikolay Aleksandrov * 1492594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1502594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1512594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1522594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1532594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1542594e906SNikolay Aleksandrov */ 1552594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1562594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 157efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 1582594e906SNikolay Aleksandrov struct list_head vlan_list; 1596cbdceebSVlad Yasevich u16 num_vlans; 16077751ee8SNikolay Aleksandrov u16 pvid; 161243a2e63SVlad Yasevich }; 162243a2e63SVlad Yasevich 1631214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 1641da177e4SLinus Torvalds struct hlist_node hlist; 1651da177e4SLinus Torvalds struct net_bridge_port *dst; 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds mac_addr addr; 168b22fbf22SNikolay Aleksandrov __u16 vlan_id; 16993859b13SJiri Pirko unsigned char is_local:1, 17093859b13SJiri Pirko is_static:1, 171cf6b8e1eSScott Feldman added_by_user:1, 1729fe8bcecSArkadi Sharshevsky added_by_external_learn:1, 1739fe8bcecSArkadi Sharshevsky offloaded:1; 1741214628cSNikolay Aleksandrov 1751214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 1761214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 1771214628cSNikolay Aleksandrov unsigned long used; 1781214628cSNikolay Aleksandrov 179b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 1801da177e4SLinus Torvalds }; 1811da177e4SLinus Torvalds 1829d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 1839d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 1849d06b6d8SElad Raz 185eb1d1641SHerbert Xu struct net_bridge_port_group { 186eb1d1641SHerbert Xu struct net_bridge_port *port; 187e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 188eb1d1641SHerbert Xu struct hlist_node mglist; 189eb1d1641SHerbert Xu struct rcu_head rcu; 190eb1d1641SHerbert Xu struct timer_list timer; 1918ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1929d06b6d8SElad Raz unsigned char flags; 1936db6f0eaSFelix Fietkau unsigned char eth_addr[ETH_ALEN]; 194eb1d1641SHerbert Xu }; 195eb1d1641SHerbert Xu 196eb1d1641SHerbert Xu struct net_bridge_mdb_entry 197eb1d1641SHerbert Xu { 198eb1d1641SHerbert Xu struct hlist_node hlist[2]; 199eb1d1641SHerbert Xu struct net_bridge *br; 200e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 201eb1d1641SHerbert Xu struct rcu_head rcu; 202eb1d1641SHerbert Xu struct timer_list timer; 2038ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 2048a870178SHerbert Xu bool mglist; 205eb1d1641SHerbert Xu }; 206eb1d1641SHerbert Xu 207eb1d1641SHerbert Xu struct net_bridge_mdb_htable 208eb1d1641SHerbert Xu { 209eb1d1641SHerbert Xu struct hlist_head *mhash; 210eb1d1641SHerbert Xu struct rcu_head rcu; 211eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 212eb1d1641SHerbert Xu u32 size; 213eb1d1641SHerbert Xu u32 max; 214eb1d1641SHerbert Xu u32 secret; 215eb1d1641SHerbert Xu u32 ver; 216eb1d1641SHerbert Xu }; 217eb1d1641SHerbert Xu 2181f90c7f3SNikolay Aleksandrov struct net_bridge_port { 2191da177e4SLinus Torvalds struct net_bridge *br; 2201da177e4SLinus Torvalds struct net_device *dev; 2211da177e4SLinus Torvalds struct list_head list; 2221da177e4SLinus Torvalds 2231f90c7f3SNikolay Aleksandrov unsigned long flags; 2241f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 2251f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 2261f90c7f3SNikolay Aleksandrov #endif 2271f90c7f3SNikolay Aleksandrov 2281da177e4SLinus Torvalds /* STP */ 2291da177e4SLinus Torvalds u8 priority; 2301da177e4SLinus Torvalds u8 state; 2311da177e4SLinus Torvalds u16 port_no; 2321da177e4SLinus Torvalds unsigned char topology_change_ack; 2331da177e4SLinus Torvalds unsigned char config_pending; 2341da177e4SLinus Torvalds port_id port_id; 2351da177e4SLinus Torvalds port_id designated_port; 2361da177e4SLinus Torvalds bridge_id designated_root; 2371da177e4SLinus Torvalds bridge_id designated_bridge; 2381da177e4SLinus Torvalds u32 path_cost; 2391da177e4SLinus Torvalds u32 designated_cost; 2400c03150eSstephen hemminger unsigned long designated_age; 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2431da177e4SLinus Torvalds struct timer_list hold_timer; 2441da177e4SLinus Torvalds struct timer_list message_age_timer; 2451da177e4SLinus Torvalds struct kobject kobj; 2461da177e4SLinus Torvalds struct rcu_head rcu; 2473982d3d2SFischer, Anna 248eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 24990010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 250cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 25190010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 252cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 253eb1d1641SHerbert Xu unsigned char multicast_router; 2541080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 255eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 256eb1d1641SHerbert Xu struct hlist_head mglist; 257eb1d1641SHerbert Xu struct hlist_node rlist; 258eb1d1641SHerbert Xu #endif 259e0f43752SSimon Arlott 260e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 261e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 262e0f43752SSimon Arlott #endif 26391d2c34aSHerbert Xu 26491d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 26591d2c34aSHerbert Xu struct netpoll *np; 26691d2c34aSHerbert Xu #endif 2676bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2686bc506b4SIdo Schimmel int offload_fwd_mark; 2696bc506b4SIdo Schimmel #endif 2701da177e4SLinus Torvalds }; 2711da177e4SLinus Torvalds 272e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 273f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 274e028e4b8SVlad Yasevich 275f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 276f350a0a8SJiri Pirko 277b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 278b5ed54e9Sstephen hemminger { 279716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 280b5ed54e9Sstephen hemminger } 281b5ed54e9Sstephen hemminger 2821fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 283b5ed54e9Sstephen hemminger { 284ec1e5610SEric Dumazet return br_port_exists(dev) ? 285ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 286b5ed54e9Sstephen hemminger } 287b5ed54e9Sstephen hemminger 2880baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 2890baa10ffSArkadi Sharshevsky { 2900baa10ffSArkadi Sharshevsky return br_port_exists(dev) ? 2910baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 2920baa10ffSArkadi Sharshevsky } 2930baa10ffSArkadi Sharshevsky 2941f90c7f3SNikolay Aleksandrov struct net_bridge { 2951da177e4SLinus Torvalds spinlock_t lock; 2961f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 2971da177e4SLinus Torvalds struct list_head port_list; 2981da177e4SLinus Torvalds struct net_device *dev; 2998f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 3001f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 3011f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3021f90c7f3SNikolay Aleksandrov u8 vlan_enabled; 3031f90c7f3SNikolay Aleksandrov u8 vlan_stats_enabled; 3041f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 3051f90c7f3SNikolay Aleksandrov u16 default_pvid; 3061f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3071f90c7f3SNikolay Aleksandrov #endif 3081f90c7f3SNikolay Aleksandrov 3091da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 31034666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 311efb6de9bSBernhard Thaler union { 3124adf0af6SSimon Wunderlich struct rtable fake_rtable; 313efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 314efb6de9bSBernhard Thaler }; 3154df53d8bSPatrick McHardy bool nf_call_iptables; 3164df53d8bSPatrick McHardy bool nf_call_ip6tables; 3174df53d8bSPatrick McHardy bool nf_call_arptables; 3184adf0af6SSimon Wunderlich #endif 319515853ccSstephen hemminger u16 group_fwd_mask; 320f2808d22SToshiaki Makita u16 group_fwd_mask_required; 321515853ccSstephen hemminger 3221da177e4SLinus Torvalds /* STP */ 3231da177e4SLinus Torvalds bridge_id designated_root; 3241da177e4SLinus Torvalds bridge_id bridge_id; 3251da177e4SLinus Torvalds u32 root_path_cost; 3261f90c7f3SNikolay Aleksandrov unsigned char topology_change; 3271f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 3281f90c7f3SNikolay Aleksandrov u16 root_port; 3291da177e4SLinus Torvalds unsigned long max_age; 3301da177e4SLinus Torvalds unsigned long hello_time; 3311da177e4SLinus Torvalds unsigned long forward_delay; 3321da177e4SLinus Torvalds unsigned long ageing_time; 33334d8acd8SVivien Didelot unsigned long bridge_max_age; 3341da177e4SLinus Torvalds unsigned long bridge_hello_time; 3351da177e4SLinus Torvalds unsigned long bridge_forward_delay; 33634d8acd8SVivien Didelot unsigned long bridge_ageing_time; 3371da177e4SLinus Torvalds 338fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 339204177f3SToshiaki Makita bool group_addr_set; 3409cde0708SStephen Hemminger 3419cde0708SStephen Hemminger enum { 3429cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 3439cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 3449cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 3459cde0708SStephen Hemminger } stp_enabled; 3469cde0708SStephen Hemminger 347eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 348eb1d1641SHerbert Xu unsigned char multicast_router; 349eb1d1641SHerbert Xu 350eb1d1641SHerbert Xu u8 multicast_disabled:1; 351c5c23260SHerbert Xu u8 multicast_querier:1; 3521c8ad5bfSCong Wang u8 multicast_query_use_ifaddr:1; 3530888d5f3Sdaniel u8 has_ipv6_addr:1; 3541080ab95SNikolay Aleksandrov u8 multicast_stats_enabled:1; 355eb1d1641SHerbert Xu 356eb1d1641SHerbert Xu u32 hash_elasticity; 357eb1d1641SHerbert Xu u32 hash_max; 358eb1d1641SHerbert Xu 359eb1d1641SHerbert Xu u32 multicast_last_member_count; 360eb1d1641SHerbert Xu u32 multicast_startup_query_count; 361eb1d1641SHerbert Xu 3625e923585SNikolay Aleksandrov u8 multicast_igmp_version; 3635e923585SNikolay Aleksandrov 364eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 365eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 366eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 367eb1d1641SHerbert Xu unsigned long multicast_query_interval; 368eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 369eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 370eb1d1641SHerbert Xu 371eb1d1641SHerbert Xu spinlock_t multicast_lock; 372e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 373eb1d1641SHerbert Xu struct hlist_head router_list; 374eb1d1641SHerbert Xu 375eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 37690010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 37790010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 378dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 3791080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 380cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 38190010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 38290010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 383dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 384aa2ae3e7SNikolay Aleksandrov u8 multicast_mld_version; 385cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 386eb1d1641SHerbert Xu #endif 387eb1d1641SHerbert Xu 3881da177e4SLinus Torvalds struct timer_list hello_timer; 3891da177e4SLinus Torvalds struct timer_list tcn_timer; 3901da177e4SLinus Torvalds struct timer_list topology_change_timer; 391f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 39243b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 393e028e4b8SVlad Yasevich u32 auto_cnt; 3946bc506b4SIdo Schimmel 3956bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3966bc506b4SIdo Schimmel int offload_fwd_mark; 3976bc506b4SIdo Schimmel #endif 3981da177e4SLinus Torvalds }; 3991da177e4SLinus Torvalds 40068b7c895SHerbert Xu struct br_input_skb_cb { 40168b7c895SHerbert Xu struct net_device *brdev; 40293fdd47eSHerbert Xu 40332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 404eb1d1641SHerbert Xu int igmp; 405eb1d1641SHerbert Xu int mrouters_only; 40632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 40793fdd47eSHerbert Xu 408842a9ae0SJouni Malinen bool proxyarp_replied; 40993fdd47eSHerbert Xu 41020adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 41120adfa1aSVlad Yasevich bool vlan_filtered; 41220adfa1aSVlad Yasevich #endif 4136bc506b4SIdo Schimmel 4146bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4156bc506b4SIdo Schimmel int offload_fwd_mark; 4166bc506b4SIdo Schimmel #endif 41768b7c895SHerbert Xu }; 41868b7c895SHerbert Xu 41968b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 42068b7c895SHerbert Xu 42132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 42232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 42332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 42432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 42532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 42632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 42728a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 42828a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 42928a16c97Sstephen hemminger 43028a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 43128a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 43228a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 43328a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 43428a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 43528a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 43628a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 43728a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 43828a16c97Sstephen hemminger 43928a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 44028a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 44128a16c97Sstephen hemminger 4421da177e4SLinus Torvalds /* called under bridge lock */ 4431da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4441da177e4SLinus Torvalds { 4451da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4461da177e4SLinus Torvalds } 4471da177e4SLinus Torvalds 4482594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4492594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4502594e906SNikolay Aleksandrov { 4512594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4522594e906SNikolay Aleksandrov } 4532594e906SNikolay Aleksandrov 4542594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4552594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4562594e906SNikolay Aleksandrov { 4572594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4582594e906SNikolay Aleksandrov } 4592594e906SNikolay Aleksandrov 4606be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 4612594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 4622594e906SNikolay Aleksandrov { 4632594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 4642594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 4652594e906SNikolay Aleksandrov return true; 4662594e906SNikolay Aleksandrov else 4672594e906SNikolay Aleksandrov return false; 4682594e906SNikolay Aleksandrov } 4692594e906SNikolay Aleksandrov 4702594e906SNikolay Aleksandrov return true; 4712594e906SNikolay Aleksandrov } 4722594e906SNikolay Aleksandrov 4731da177e4SLinus Torvalds /* br_device.c */ 474348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 475348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 476348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 477cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 47891d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 47991d2c34aSHerbert Xu struct sk_buff *skb) 48091d2c34aSHerbert Xu { 48191d2c34aSHerbert Xu struct netpoll *np = p->np; 48291d2c34aSHerbert Xu 48391d2c34aSHerbert Xu if (np) 48491d2c34aSHerbert Xu netpoll_send_skb(np, skb); 48591d2c34aSHerbert Xu } 48691d2c34aSHerbert Xu 487a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 488348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 48991d2c34aSHerbert Xu #else 4909f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 49191d2c34aSHerbert Xu struct sk_buff *skb) 49291d2c34aSHerbert Xu { 49391d2c34aSHerbert Xu } 49491d2c34aSHerbert Xu 495a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 49691d2c34aSHerbert Xu { 49791d2c34aSHerbert Xu return 0; 49891d2c34aSHerbert Xu } 49991d2c34aSHerbert Xu 50091d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 50191d2c34aSHerbert Xu { 50291d2c34aSHerbert Xu } 503cfb478daSstephen hemminger #endif 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds /* br_fdb.c */ 506348662a1SJoe Perches int br_fdb_init(void); 507348662a1SJoe Perches void br_fdb_fini(void); 508348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 509424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 510424bb9c9SToshiaki Makita const struct net_bridge_port *p, 511424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 512348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 513348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 514f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 515348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 5161ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 517bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 518bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 519bfd0aeacSNikolay Aleksandrov __u16 vid); 520348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 521348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 522348662a1SJoe Perches unsigned long off); 523348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 524348662a1SJoe Perches const unsigned char *addr, u16 vid); 525348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 526a5642ab4SToshiaki Makita const unsigned char *addr, u16 vid, bool added_by_user); 52777162022SJohn Fastabend 528348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 529f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 530348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 531f6f6424bSJiri Pirko const unsigned char *addr, u16 vid, u16 nlh_flags); 532348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 533d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 5348db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 5358db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 5363aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 5373aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5383aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 5393aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5409fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 5419fe8bcecSArkadi Sharshevsky const unsigned char *addr, u16 vid); 5421da177e4SLinus Torvalds 5431da177e4SLinus Torvalds /* br_forward.c */ 5448addd5e7SNikolay Aleksandrov enum br_pkt_type { 5458addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 5468addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 5478addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 5488addd5e7SNikolay Aleksandrov }; 5490c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 550b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 55137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 5520c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 55337b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 5548addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 5551da177e4SLinus Torvalds 5561da177e4SLinus Torvalds /* br_if.c */ 557348662a1SJoe Perches void br_port_carrier_check(struct net_bridge_port *p); 558348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 559348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 560348662a1SJoe Perches int br_add_if(struct net_bridge *br, struct net_device *dev); 561348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 562348662a1SJoe Perches int br_min_mtu(const struct net_bridge *br); 563348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 564c8f44affSMichał Mirosław netdev_features_t features); 565e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 5662796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 5671da177e4SLinus Torvalds 5681da177e4SLinus Torvalds /* br_input.c */ 5690c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 570348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 5711da177e4SLinus Torvalds 572859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 573859828c0SJiri Pirko { 574859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 575859828c0SJiri Pirko } 576859828c0SJiri Pirko 577859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 578859828c0SJiri Pirko { 579859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 580859828c0SJiri Pirko } 581859828c0SJiri Pirko 5821da177e4SLinus Torvalds /* br_ioctl.c */ 583348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 584348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 585348662a1SJoe Perches void __user *arg); 5861da177e4SLinus Torvalds 587eb1d1641SHerbert Xu /* br_multicast.c */ 588eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 5892ce297fcSCong Wang extern unsigned int br_mdb_rehash_seq; 590348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 591fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 592348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 593eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 5941080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 595348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 596348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 597348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 598348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 599348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 600348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 601e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 60237b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 60337b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 604348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 605348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 606348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 607348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 608348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 6095e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 610aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 611aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 612aa2ae3e7SNikolay Aleksandrov #endif 613348662a1SJoe Perches struct net_bridge_mdb_entry * 614348662a1SJoe Perches br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); 615348662a1SJoe Perches struct net_bridge_mdb_entry * 616348662a1SJoe Perches br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, 617348662a1SJoe Perches struct br_ip *group); 618348662a1SJoe Perches void br_multicast_free_pg(struct rcu_head *head); 619348662a1SJoe Perches struct net_bridge_port_group * 620348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 621762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 6226db6f0eaSFelix Fietkau unsigned char flags, const unsigned char *src); 623348662a1SJoe Perches void br_mdb_init(void); 624348662a1SJoe Perches void br_mdb_uninit(void); 62545ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 62645ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 627949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 628949f1e39SSatish Ashok int type); 6291080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 630a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 6311080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 632b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 6331080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 6341080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 6351080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 63685b35269SSridhar Samudrala 637cfd56754SCong Wang #define mlock_dereference(X, br) \ 638cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 639cfd56754SCong Wang 64085b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 64185b35269SSridhar Samudrala { 64285b35269SSridhar Samudrala return br->multicast_router == 2 || 64385b35269SSridhar Samudrala (br->multicast_router == 1 && 64485b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 64585b35269SSridhar Samudrala } 646b00589afSLinus Lüssing 647cc0fdd80SLinus Lüssing static inline bool 648cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 6490888d5f3Sdaniel struct bridge_mcast_other_query *querier, 6500888d5f3Sdaniel const bool is_ipv6) 651b00589afSLinus Lüssing { 6520888d5f3Sdaniel bool own_querier_enabled; 6530888d5f3Sdaniel 6540888d5f3Sdaniel if (br->multicast_querier) { 6550888d5f3Sdaniel if (is_ipv6 && !br->has_ipv6_addr) 6560888d5f3Sdaniel own_querier_enabled = false; 6570888d5f3Sdaniel else 6580888d5f3Sdaniel own_querier_enabled = true; 6590888d5f3Sdaniel } else { 6600888d5f3Sdaniel own_querier_enabled = false; 6610888d5f3Sdaniel } 6620888d5f3Sdaniel 663cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 6640888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 665cc0fdd80SLinus Lüssing } 666cc0fdd80SLinus Lüssing 667cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 668cc0fdd80SLinus Lüssing struct ethhdr *eth) 669cc0fdd80SLinus Lüssing { 670cc0fdd80SLinus Lüssing switch (eth->h_proto) { 671cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 6720888d5f3Sdaniel return __br_multicast_querier_exists(br, 6730888d5f3Sdaniel &br->ip4_other_query, false); 674cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 675cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 6760888d5f3Sdaniel return __br_multicast_querier_exists(br, 6770888d5f3Sdaniel &br->ip6_other_query, true); 678cc0fdd80SLinus Lüssing #endif 679cc0fdd80SLinus Lüssing default: 680cc0fdd80SLinus Lüssing return false; 681cc0fdd80SLinus Lüssing } 682b00589afSLinus Lüssing } 6831080ab95SNikolay Aleksandrov 6841080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 6851080ab95SNikolay Aleksandrov { 6861080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 6871080ab95SNikolay Aleksandrov } 688eb1d1641SHerbert Xu #else 689eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 690eb1d1641SHerbert Xu struct net_bridge_port *port, 69106499098SVlad Yasevich struct sk_buff *skb, 69206499098SVlad Yasevich u16 vid) 693eb1d1641SHerbert Xu { 694eb1d1641SHerbert Xu return 0; 695eb1d1641SHerbert Xu } 696eb1d1641SHerbert Xu 697eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 698fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 699eb1d1641SHerbert Xu { 700eb1d1641SHerbert Xu return NULL; 701eb1d1641SHerbert Xu } 702eb1d1641SHerbert Xu 7031080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 704eb1d1641SHerbert Xu { 7051080ab95SNikolay Aleksandrov return 0; 706eb1d1641SHerbert Xu } 707eb1d1641SHerbert Xu 708eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 709eb1d1641SHerbert Xu { 710eb1d1641SHerbert Xu } 711eb1d1641SHerbert Xu 712eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 713eb1d1641SHerbert Xu { 714eb1d1641SHerbert Xu } 715eb1d1641SHerbert Xu 716eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 717eb1d1641SHerbert Xu { 718eb1d1641SHerbert Xu } 719eb1d1641SHerbert Xu 720eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 721eb1d1641SHerbert Xu { 722eb1d1641SHerbert Xu } 723eb1d1641SHerbert Xu 724eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 725eb1d1641SHerbert Xu { 726eb1d1641SHerbert Xu } 727eb1d1641SHerbert Xu 728eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 729eb1d1641SHerbert Xu { 730eb1d1641SHerbert Xu } 7315cb5e947SHerbert Xu 732a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 733a7ce45a7SNikolay Aleksandrov { 734a7ce45a7SNikolay Aleksandrov } 735a7ce45a7SNikolay Aleksandrov 73637b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 73737b090e6SNikolay Aleksandrov struct sk_buff *skb, 73837b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 7395cb5e947SHerbert Xu { 7405cb5e947SHerbert Xu } 7415cb5e947SHerbert Xu 742eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 743eb1d1641SHerbert Xu { 74485b35269SSridhar Samudrala return 0; 745eb1d1641SHerbert Xu } 74637b090e6SNikolay Aleksandrov 747cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 748cc0fdd80SLinus Lüssing struct ethhdr *eth) 749b00589afSLinus Lüssing { 750b00589afSLinus Lüssing return false; 751b00589afSLinus Lüssing } 75237b090e6SNikolay Aleksandrov 753fdb184d1SRami Rosen static inline void br_mdb_init(void) 754fdb184d1SRami Rosen { 755fdb184d1SRami Rosen } 75637b090e6SNikolay Aleksandrov 757fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 758fdb184d1SRami Rosen { 759fdb184d1SRami Rosen } 7601080ab95SNikolay Aleksandrov 7611080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 7621080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 763a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 764a65056ecSNikolay Aleksandrov u8 type, u8 dir) 7651080ab95SNikolay Aleksandrov { 7661080ab95SNikolay Aleksandrov } 7671080ab95SNikolay Aleksandrov 7681080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 7691080ab95SNikolay Aleksandrov { 7701080ab95SNikolay Aleksandrov return 0; 7711080ab95SNikolay Aleksandrov } 7721080ab95SNikolay Aleksandrov 773b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 774b6fe0440SIdo Schimmel { 775b6fe0440SIdo Schimmel } 776b6fe0440SIdo Schimmel 7771080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 7781080ab95SNikolay Aleksandrov { 7791080ab95SNikolay Aleksandrov return 0; 7801080ab95SNikolay Aleksandrov } 78185b35269SSridhar Samudrala #endif 782eb1d1641SHerbert Xu 783243a2e63SVlad Yasevich /* br_vlan.c */ 784243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 78577751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 78677751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 7872594e906SNikolay Aleksandrov u16 *vid); 78877751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 78985f46c6bSVlad Yasevich const struct sk_buff *skb); 790e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 791348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 79211538d03SRoopa Prabhu const struct net_bridge_port *port, 7932594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 79478851988SVlad Yasevich struct sk_buff *skb); 795348662a1SJoe Perches int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); 796348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 797348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 7982594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 799204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 800a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 801348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 802d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 803204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 8046dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 8055be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 80696a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 8070f963b75SNikolay Aleksandrov int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); 808348662a1SJoe Perches int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); 809348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 810348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 8115be5a2dfSVlad Yasevich int nbp_vlan_init(struct net_bridge_port *port); 8122594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 813a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 814a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 815a37b85c9SVlad Yasevich 8162594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 817a37b85c9SVlad Yasevich const struct net_bridge *br) 818a37b85c9SVlad Yasevich { 819907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 820a37b85c9SVlad Yasevich } 821a37b85c9SVlad Yasevich 8222594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 823a37b85c9SVlad Yasevich const struct net_bridge_port *p) 824a37b85c9SVlad Yasevich { 825907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 826907b1e6eSNikolay Aleksandrov } 827907b1e6eSNikolay Aleksandrov 828907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 829907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 830907b1e6eSNikolay Aleksandrov { 831907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 832907b1e6eSNikolay Aleksandrov } 833907b1e6eSNikolay Aleksandrov 834907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 835907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 836907b1e6eSNikolay Aleksandrov { 837907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 838a37b85c9SVlad Yasevich } 839a37b85c9SVlad Yasevich 840a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 841a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 842a37b85c9SVlad Yasevich */ 843a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 844a37b85c9SVlad Yasevich { 845a37b85c9SVlad Yasevich int err = 0; 846a37b85c9SVlad Yasevich 8472594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 848df8a39deSJiri Pirko *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; 8492594e906SNikolay Aleksandrov } else { 850a37b85c9SVlad Yasevich *vid = 0; 851a37b85c9SVlad Yasevich err = -EINVAL; 852a37b85c9SVlad Yasevich } 853a37b85c9SVlad Yasevich 854a37b85c9SVlad Yasevich return err; 855a37b85c9SVlad Yasevich } 85678851988SVlad Yasevich 85777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 85878851988SVlad Yasevich { 85977751ee8SNikolay Aleksandrov if (!vg) 8605be5a2dfSVlad Yasevich return 0; 8615be5a2dfSVlad Yasevich 86278851988SVlad Yasevich smp_rmb(); 86377751ee8SNikolay Aleksandrov return vg->pvid; 86478851988SVlad Yasevich } 86578851988SVlad Yasevich 866243a2e63SVlad Yasevich #else 86777751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 86877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 8692594e906SNikolay Aleksandrov struct sk_buff *skb, 8702594e906SNikolay Aleksandrov u16 *vid) 8712594e906SNikolay Aleksandrov { 8722594e906SNikolay Aleksandrov return true; 8732594e906SNikolay Aleksandrov } 8742594e906SNikolay Aleksandrov 8752594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 87685f46c6bSVlad Yasevich const struct sk_buff *skb) 87785f46c6bSVlad Yasevich { 87885f46c6bSVlad Yasevich return true; 87985f46c6bSVlad Yasevich } 88085f46c6bSVlad Yasevich 881e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 882e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 883e0d7968aSToshiaki Makita { 884e0d7968aSToshiaki Makita return true; 885e0d7968aSToshiaki Makita } 886e0d7968aSToshiaki Makita 88778851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 88811538d03SRoopa Prabhu const struct net_bridge_port *port, 8892594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 89078851988SVlad Yasevich struct sk_buff *skb) 89178851988SVlad Yasevich { 89278851988SVlad Yasevich return skb; 89378851988SVlad Yasevich } 89478851988SVlad Yasevich 895552406c4SVlad Yasevich static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) 896243a2e63SVlad Yasevich { 897243a2e63SVlad Yasevich return -EOPNOTSUPP; 898243a2e63SVlad Yasevich } 899243a2e63SVlad Yasevich 900243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 901243a2e63SVlad Yasevich { 902243a2e63SVlad Yasevich return -EOPNOTSUPP; 903243a2e63SVlad Yasevich } 904243a2e63SVlad Yasevich 905243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 906243a2e63SVlad Yasevich { 907243a2e63SVlad Yasevich } 908243a2e63SVlad Yasevich 909204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 910204177f3SToshiaki Makita { 911204177f3SToshiaki Makita } 912204177f3SToshiaki Makita 9135be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 9148580e211SToshiaki Makita { 9155be5a2dfSVlad Yasevich return 0; 9168580e211SToshiaki Makita } 9178580e211SToshiaki Makita 918552406c4SVlad Yasevich static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) 919243a2e63SVlad Yasevich { 920243a2e63SVlad Yasevich return -EOPNOTSUPP; 921243a2e63SVlad Yasevich } 922243a2e63SVlad Yasevich 923243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 924243a2e63SVlad Yasevich { 925243a2e63SVlad Yasevich return -EOPNOTSUPP; 926243a2e63SVlad Yasevich } 927243a2e63SVlad Yasevich 928243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 929243a2e63SVlad Yasevich { 930243a2e63SVlad Yasevich } 931243a2e63SVlad Yasevich 9322594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 9332594e906SNikolay Aleksandrov u16 vid) 934a37b85c9SVlad Yasevich { 935a37b85c9SVlad Yasevich return NULL; 936a37b85c9SVlad Yasevich } 937bc9a25d2SVlad Yasevich 9385be5a2dfSVlad Yasevich static inline int nbp_vlan_init(struct net_bridge_port *port) 9395be5a2dfSVlad Yasevich { 9405be5a2dfSVlad Yasevich return 0; 9415be5a2dfSVlad Yasevich } 9425be5a2dfSVlad Yasevich 94378851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 944a37b85c9SVlad Yasevich { 945a37b85c9SVlad Yasevich return 0; 946a37b85c9SVlad Yasevich } 9472594e906SNikolay Aleksandrov 94877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 94978851988SVlad Yasevich { 9503df6bf45SVlad Yasevich return 0; 95178851988SVlad Yasevich } 9522796d0c6SVlad Yasevich 953a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 954a7854037SNikolay Aleksandrov unsigned long val) 955a7854037SNikolay Aleksandrov { 956a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 957a7854037SNikolay Aleksandrov } 9582594e906SNikolay Aleksandrov 9592594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 9602594e906SNikolay Aleksandrov u32 filter_mask) 9612594e906SNikolay Aleksandrov { 9622594e906SNikolay Aleksandrov return 0; 9632594e906SNikolay Aleksandrov } 9642594e906SNikolay Aleksandrov 9652594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 9662594e906SNikolay Aleksandrov const struct net_bridge *br) 9672594e906SNikolay Aleksandrov { 9682594e906SNikolay Aleksandrov return NULL; 9692594e906SNikolay Aleksandrov } 9702594e906SNikolay Aleksandrov 9712594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 9722594e906SNikolay Aleksandrov const struct net_bridge_port *p) 9732594e906SNikolay Aleksandrov { 9742594e906SNikolay Aleksandrov return NULL; 9752594e906SNikolay Aleksandrov } 976907b1e6eSNikolay Aleksandrov 977907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 978907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 979907b1e6eSNikolay Aleksandrov { 980907b1e6eSNikolay Aleksandrov return NULL; 981907b1e6eSNikolay Aleksandrov } 982907b1e6eSNikolay Aleksandrov 983907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 984907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 985907b1e6eSNikolay Aleksandrov { 986907b1e6eSNikolay Aleksandrov return NULL; 987907b1e6eSNikolay Aleksandrov } 988a60c0903SNikolay Aleksandrov 989a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 990a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 991a60c0903SNikolay Aleksandrov { 992a60c0903SNikolay Aleksandrov } 993243a2e63SVlad Yasevich #endif 994243a2e63SVlad Yasevich 9951a4ba64dSPablo Neira Ayuso struct nf_br_ops { 9961a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 9971a4ba64dSPablo Neira Ayuso }; 9981a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 9991a4ba64dSPablo Neira Ayuso 10001da177e4SLinus Torvalds /* br_netfilter.c */ 100134666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 100234666d46SPablo Neira Ayuso int br_nf_core_init(void); 100334666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1004348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1005c0909713SStephen Hemminger #else 100634666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 100734666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 10084adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1009c0909713SStephen Hemminger #endif 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvalds /* br_stp.c */ 1012775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1013348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1014348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1015348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 10161da177e4SLinus Torvalds 1017348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1018348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1019348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1020348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 102182dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 10229e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 102314f98f25Sstephen hemminger 102414f98f25Sstephen hemminger 10251da177e4SLinus Torvalds /* br_stp_if.c */ 1026348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1027348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1028348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 1029348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1030348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1031348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1032348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1033348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1034348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1035348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1036348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvalds /* br_stp_bpdu.c */ 10397c85fbf0SPatrick McHardy struct stp_proto; 1040348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 10417c85fbf0SPatrick McHardy struct net_device *dev); 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvalds /* br_stp_timer.c */ 1044348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1045348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1046348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 10471da177e4SLinus Torvalds 10481da177e4SLinus Torvalds /* br.c */ 1049e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1050da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1051da678292SMichał Mirosław #endif 10521da177e4SLinus Torvalds 105311dc1f36SStephen Hemminger /* br_netlink.c */ 1054149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1055348662a1SJoe Perches int br_netlink_init(void); 1056348662a1SJoe Perches void br_netlink_fini(void); 1057348662a1SJoe Perches void br_ifinfo_notify(int event, struct net_bridge_port *port); 1058add511b3SRoopa Prabhu int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1059add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1060348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 106146c264daSNicolas Dichtel u32 filter_mask, int nlflags); 106211dc1f36SStephen Hemminger 10631da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 10641da177e4SLinus Torvalds /* br_sysfs_if.c */ 106552cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1066348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1067348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvalds /* br_sysfs_br.c */ 1070348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1071348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 10721da177e4SLinus Torvalds 10731da177e4SLinus Torvalds #else 10741da177e4SLinus Torvalds 10750cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 10760cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 10770cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 10780cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 10791da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 10801da177e4SLinus Torvalds 10816bc506b4SIdo Schimmel /* br_switchdev.c */ 10826bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 10836bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 10846bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10856bc506b4SIdo Schimmel struct sk_buff *skb); 10866bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10876bc506b4SIdo Schimmel const struct sk_buff *skb); 10883922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 10893922285dSArkadi Sharshevsky unsigned long flags, 10903922285dSArkadi Sharshevsky unsigned long mask); 10916b26b51bSArkadi Sharshevsky void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, 10926b26b51bSArkadi Sharshevsky int type); 10936bc506b4SIdo Schimmel #else 10946bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 10956bc506b4SIdo Schimmel { 10966bc506b4SIdo Schimmel return 0; 10976bc506b4SIdo Schimmel } 10986bc506b4SIdo Schimmel 10996bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 11006bc506b4SIdo Schimmel struct sk_buff *skb) 11016bc506b4SIdo Schimmel { 11026bc506b4SIdo Schimmel } 11036bc506b4SIdo Schimmel 11046bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 11056bc506b4SIdo Schimmel const struct sk_buff *skb) 11066bc506b4SIdo Schimmel { 11076bc506b4SIdo Schimmel return true; 11086bc506b4SIdo Schimmel } 11093922285dSArkadi Sharshevsky 11103922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 11113922285dSArkadi Sharshevsky unsigned long flags, 11123922285dSArkadi Sharshevsky unsigned long mask) 11133922285dSArkadi Sharshevsky { 11143922285dSArkadi Sharshevsky return 0; 11153922285dSArkadi Sharshevsky } 11166b26b51bSArkadi Sharshevsky 11176b26b51bSArkadi Sharshevsky static inline void 11186b26b51bSArkadi Sharshevsky br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) 11196b26b51bSArkadi Sharshevsky { 11206b26b51bSArkadi Sharshevsky } 11216bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 11226bc506b4SIdo Schimmel 11231da177e4SLinus Torvalds #endif 1124