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> 2425127759SReshetova, Elena #include <linux/refcount.h> 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #define BR_HASH_BITS 8 271da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 281da177e4SLinus Torvalds 291da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 301da177e4SLinus Torvalds 311da177e4SLinus Torvalds #define BR_PORT_BITS 10 321da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 331da177e4SLinus Torvalds 349cde0708SStephen Hemminger #define BR_VERSION "2.3" 359cde0708SStephen Hemminger 36515853ccSstephen hemminger /* Control of forwarding link local multicast */ 37515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 38784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 39784b58a3SBernhard Thaler #define BR_GROUPFWD_RESTRICTED 0x0007u 40f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 41f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 42515853ccSstephen hemminger 439cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 449cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 458cbb512eSStephen Hemminger 461da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 471da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 481da177e4SLinus Torvalds typedef __u16 port_id; 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds struct bridge_id 511da177e4SLinus Torvalds { 521da177e4SLinus Torvalds unsigned char prio[2]; 53e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 541da177e4SLinus Torvalds }; 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds struct mac_addr 571da177e4SLinus Torvalds { 58e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 591da177e4SLinus Torvalds }; 601da177e4SLinus Torvalds 61cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 62cc0fdd80SLinus Lüssing /* our own querier */ 6390010b36SLinus Lüssing struct bridge_mcast_own_query { 64cc0fdd80SLinus Lüssing struct timer_list timer; 65cc0fdd80SLinus Lüssing u32 startup_sent; 66cc0fdd80SLinus Lüssing }; 67cc0fdd80SLinus Lüssing 68cc0fdd80SLinus Lüssing /* other querier */ 6990010b36SLinus Lüssing struct bridge_mcast_other_query { 70cc0fdd80SLinus Lüssing struct timer_list timer; 71cc0fdd80SLinus Lüssing unsigned long delay_time; 72cc0fdd80SLinus Lüssing }; 73dc4eb53aSLinus Lüssing 74dc4eb53aSLinus Lüssing /* selected querier */ 75dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 76dc4eb53aSLinus Lüssing struct br_ip addr; 772cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 78dc4eb53aSLinus Lüssing }; 791080ab95SNikolay Aleksandrov 801080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 811080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 821080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 831080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 841080ab95SNikolay Aleksandrov }; 85cc0fdd80SLinus Lüssing #endif 86cc0fdd80SLinus Lüssing 876dada9b1SNikolay Aleksandrov struct br_vlan_stats { 886dada9b1SNikolay Aleksandrov u64 rx_bytes; 896dada9b1SNikolay Aleksandrov u64 rx_packets; 906dada9b1SNikolay Aleksandrov u64 tx_bytes; 916dada9b1SNikolay Aleksandrov u64 tx_packets; 926dada9b1SNikolay Aleksandrov struct u64_stats_sync syncp; 936dada9b1SNikolay Aleksandrov }; 946dada9b1SNikolay Aleksandrov 95efa5356bSRoopa Prabhu struct br_tunnel_info { 96efa5356bSRoopa Prabhu __be64 tunnel_id; 97efa5356bSRoopa Prabhu struct metadata_dst *tunnel_dst; 98efa5356bSRoopa Prabhu }; 99efa5356bSRoopa Prabhu 1002594e906SNikolay Aleksandrov /** 1012594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1022594e906SNikolay Aleksandrov * 1032594e906SNikolay Aleksandrov * @vnode: rhashtable member 1042594e906SNikolay Aleksandrov * @vid: VLAN id 1052594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1066dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1072594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1082594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1092594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1102594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1112594e906SNikolay Aleksandrov * for this VLAN entry 1122594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1132594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1142594e906SNikolay Aleksandrov * 1152594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1162594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1172594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1182594e906SNikolay Aleksandrov * the entry flags that are set. 1192594e906SNikolay Aleksandrov */ 1202594e906SNikolay Aleksandrov struct net_bridge_vlan { 1212594e906SNikolay Aleksandrov struct rhash_head vnode; 122efa5356bSRoopa Prabhu struct rhash_head tnode; 1232594e906SNikolay Aleksandrov u16 vid; 1242594e906SNikolay Aleksandrov u16 flags; 1256dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 126243a2e63SVlad Yasevich union { 127243a2e63SVlad Yasevich struct net_bridge *br; 1282594e906SNikolay Aleksandrov struct net_bridge_port *port; 1292594e906SNikolay Aleksandrov }; 1302594e906SNikolay Aleksandrov union { 13125127759SReshetova, Elena refcount_t refcnt; 1322594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1332594e906SNikolay Aleksandrov }; 134efa5356bSRoopa Prabhu 135efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 136efa5356bSRoopa Prabhu 1372594e906SNikolay Aleksandrov struct list_head vlist; 1382594e906SNikolay Aleksandrov 139243a2e63SVlad Yasevich struct rcu_head rcu; 1402594e906SNikolay Aleksandrov }; 1412594e906SNikolay Aleksandrov 1422594e906SNikolay Aleksandrov /** 1432594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1442594e906SNikolay Aleksandrov * 1452594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1462594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1472594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 14877751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 1492594e906SNikolay Aleksandrov * 1502594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1512594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1522594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1532594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1542594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1552594e906SNikolay Aleksandrov */ 1562594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1572594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 158efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 1592594e906SNikolay Aleksandrov struct list_head vlan_list; 1606cbdceebSVlad Yasevich u16 num_vlans; 16177751ee8SNikolay Aleksandrov u16 pvid; 162243a2e63SVlad Yasevich }; 163243a2e63SVlad Yasevich 1641214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 1651da177e4SLinus Torvalds struct hlist_node hlist; 1661da177e4SLinus Torvalds struct net_bridge_port *dst; 1671da177e4SLinus Torvalds 1681da177e4SLinus Torvalds mac_addr addr; 169b22fbf22SNikolay Aleksandrov __u16 vlan_id; 17093859b13SJiri Pirko unsigned char is_local:1, 17193859b13SJiri Pirko is_static:1, 172cf6b8e1eSScott Feldman added_by_user:1, 1739fe8bcecSArkadi Sharshevsky added_by_external_learn:1, 1749fe8bcecSArkadi Sharshevsky offloaded:1; 1751214628cSNikolay Aleksandrov 1761214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 1771214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 1781214628cSNikolay Aleksandrov unsigned long used; 1791214628cSNikolay Aleksandrov 180b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 1811da177e4SLinus Torvalds }; 1821da177e4SLinus Torvalds 1839d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 1849d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 1859d06b6d8SElad Raz 186eb1d1641SHerbert Xu struct net_bridge_port_group { 187eb1d1641SHerbert Xu struct net_bridge_port *port; 188e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 189eb1d1641SHerbert Xu struct hlist_node mglist; 190eb1d1641SHerbert Xu struct rcu_head rcu; 191eb1d1641SHerbert Xu struct timer_list timer; 1928ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1939d06b6d8SElad Raz unsigned char flags; 1946db6f0eaSFelix Fietkau unsigned char eth_addr[ETH_ALEN]; 195eb1d1641SHerbert Xu }; 196eb1d1641SHerbert Xu 197eb1d1641SHerbert Xu struct net_bridge_mdb_entry 198eb1d1641SHerbert Xu { 199eb1d1641SHerbert Xu struct hlist_node hlist[2]; 200eb1d1641SHerbert Xu struct net_bridge *br; 201e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 202eb1d1641SHerbert Xu struct rcu_head rcu; 203eb1d1641SHerbert Xu struct timer_list timer; 2048ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 2058a870178SHerbert Xu bool mglist; 206eb1d1641SHerbert Xu }; 207eb1d1641SHerbert Xu 208eb1d1641SHerbert Xu struct net_bridge_mdb_htable 209eb1d1641SHerbert Xu { 210eb1d1641SHerbert Xu struct hlist_head *mhash; 211eb1d1641SHerbert Xu struct rcu_head rcu; 212eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 213eb1d1641SHerbert Xu u32 size; 214eb1d1641SHerbert Xu u32 max; 215eb1d1641SHerbert Xu u32 secret; 216eb1d1641SHerbert Xu u32 ver; 217eb1d1641SHerbert Xu }; 218eb1d1641SHerbert Xu 2191f90c7f3SNikolay Aleksandrov struct net_bridge_port { 2201da177e4SLinus Torvalds struct net_bridge *br; 2211da177e4SLinus Torvalds struct net_device *dev; 2221da177e4SLinus Torvalds struct list_head list; 2231da177e4SLinus Torvalds 2241f90c7f3SNikolay Aleksandrov unsigned long flags; 2251f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 2261f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 2271f90c7f3SNikolay Aleksandrov #endif 2281f90c7f3SNikolay Aleksandrov 2291da177e4SLinus Torvalds /* STP */ 2301da177e4SLinus Torvalds u8 priority; 2311da177e4SLinus Torvalds u8 state; 2321da177e4SLinus Torvalds u16 port_no; 2331da177e4SLinus Torvalds unsigned char topology_change_ack; 2341da177e4SLinus Torvalds unsigned char config_pending; 2351da177e4SLinus Torvalds port_id port_id; 2361da177e4SLinus Torvalds port_id designated_port; 2371da177e4SLinus Torvalds bridge_id designated_root; 2381da177e4SLinus Torvalds bridge_id designated_bridge; 2391da177e4SLinus Torvalds u32 path_cost; 2401da177e4SLinus Torvalds u32 designated_cost; 2410c03150eSstephen hemminger unsigned long designated_age; 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2441da177e4SLinus Torvalds struct timer_list hold_timer; 2451da177e4SLinus Torvalds struct timer_list message_age_timer; 2461da177e4SLinus Torvalds struct kobject kobj; 2471da177e4SLinus Torvalds struct rcu_head rcu; 2483982d3d2SFischer, Anna 249eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 25090010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 251cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 25290010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 253cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 254eb1d1641SHerbert Xu unsigned char multicast_router; 2551080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 256eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 257eb1d1641SHerbert Xu struct hlist_head mglist; 258eb1d1641SHerbert Xu struct hlist_node rlist; 259eb1d1641SHerbert Xu #endif 260e0f43752SSimon Arlott 261e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 262e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 263e0f43752SSimon Arlott #endif 26491d2c34aSHerbert Xu 26591d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 26691d2c34aSHerbert Xu struct netpoll *np; 26791d2c34aSHerbert Xu #endif 2686bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2696bc506b4SIdo Schimmel int offload_fwd_mark; 2706bc506b4SIdo Schimmel #endif 2711da177e4SLinus Torvalds }; 2721da177e4SLinus Torvalds 273e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 274f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 275e028e4b8SVlad Yasevich 276f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 277f350a0a8SJiri Pirko 278b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 279b5ed54e9Sstephen hemminger { 280716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 281b5ed54e9Sstephen hemminger } 282b5ed54e9Sstephen hemminger 2831fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 284b5ed54e9Sstephen hemminger { 285ec1e5610SEric Dumazet return br_port_exists(dev) ? 286ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 287b5ed54e9Sstephen hemminger } 288b5ed54e9Sstephen hemminger 2890baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 2900baa10ffSArkadi Sharshevsky { 2910baa10ffSArkadi Sharshevsky return br_port_exists(dev) ? 2920baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 2930baa10ffSArkadi Sharshevsky } 2940baa10ffSArkadi Sharshevsky 2951f90c7f3SNikolay Aleksandrov struct net_bridge { 2961da177e4SLinus Torvalds spinlock_t lock; 2971f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 2981da177e4SLinus Torvalds struct list_head port_list; 2991da177e4SLinus Torvalds struct net_device *dev; 3008f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 3011f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 3021f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3031f90c7f3SNikolay Aleksandrov u8 vlan_enabled; 3041f90c7f3SNikolay Aleksandrov u8 vlan_stats_enabled; 3051f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 3061f90c7f3SNikolay Aleksandrov u16 default_pvid; 3071f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3081f90c7f3SNikolay Aleksandrov #endif 3091f90c7f3SNikolay Aleksandrov 3101da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 31134666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 312efb6de9bSBernhard Thaler union { 3134adf0af6SSimon Wunderlich struct rtable fake_rtable; 314efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 315efb6de9bSBernhard Thaler }; 3164df53d8bSPatrick McHardy bool nf_call_iptables; 3174df53d8bSPatrick McHardy bool nf_call_ip6tables; 3184df53d8bSPatrick McHardy bool nf_call_arptables; 3194adf0af6SSimon Wunderlich #endif 320515853ccSstephen hemminger u16 group_fwd_mask; 321f2808d22SToshiaki Makita u16 group_fwd_mask_required; 322515853ccSstephen hemminger 3231da177e4SLinus Torvalds /* STP */ 3241da177e4SLinus Torvalds bridge_id designated_root; 3251da177e4SLinus Torvalds bridge_id bridge_id; 3261da177e4SLinus Torvalds u32 root_path_cost; 3271f90c7f3SNikolay Aleksandrov unsigned char topology_change; 3281f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 3291f90c7f3SNikolay Aleksandrov u16 root_port; 3301da177e4SLinus Torvalds unsigned long max_age; 3311da177e4SLinus Torvalds unsigned long hello_time; 3321da177e4SLinus Torvalds unsigned long forward_delay; 3331da177e4SLinus Torvalds unsigned long ageing_time; 33434d8acd8SVivien Didelot unsigned long bridge_max_age; 3351da177e4SLinus Torvalds unsigned long bridge_hello_time; 3361da177e4SLinus Torvalds unsigned long bridge_forward_delay; 33734d8acd8SVivien Didelot unsigned long bridge_ageing_time; 3381da177e4SLinus Torvalds 339fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 340204177f3SToshiaki Makita bool group_addr_set; 3419cde0708SStephen Hemminger 3429cde0708SStephen Hemminger enum { 3439cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 3449cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 3459cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 3469cde0708SStephen Hemminger } stp_enabled; 3479cde0708SStephen Hemminger 348eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 349eb1d1641SHerbert Xu unsigned char multicast_router; 350eb1d1641SHerbert Xu 351eb1d1641SHerbert Xu u8 multicast_disabled:1; 352c5c23260SHerbert Xu u8 multicast_querier:1; 3531c8ad5bfSCong Wang u8 multicast_query_use_ifaddr:1; 3540888d5f3Sdaniel u8 has_ipv6_addr:1; 3551080ab95SNikolay Aleksandrov u8 multicast_stats_enabled:1; 356eb1d1641SHerbert Xu 357eb1d1641SHerbert Xu u32 hash_elasticity; 358eb1d1641SHerbert Xu u32 hash_max; 359eb1d1641SHerbert Xu 360eb1d1641SHerbert Xu u32 multicast_last_member_count; 361eb1d1641SHerbert Xu u32 multicast_startup_query_count; 362eb1d1641SHerbert Xu 3635e923585SNikolay Aleksandrov u8 multicast_igmp_version; 3645e923585SNikolay Aleksandrov 365eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 366eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 367eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 368eb1d1641SHerbert Xu unsigned long multicast_query_interval; 369eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 370eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 371eb1d1641SHerbert Xu 372eb1d1641SHerbert Xu spinlock_t multicast_lock; 373e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 374eb1d1641SHerbert Xu struct hlist_head router_list; 375eb1d1641SHerbert Xu 376eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 37790010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 37890010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 379dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 3801080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 381cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 38290010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 38390010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 384dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 385aa2ae3e7SNikolay Aleksandrov u8 multicast_mld_version; 386cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 387eb1d1641SHerbert Xu #endif 388eb1d1641SHerbert Xu 3891da177e4SLinus Torvalds struct timer_list hello_timer; 3901da177e4SLinus Torvalds struct timer_list tcn_timer; 3911da177e4SLinus Torvalds struct timer_list topology_change_timer; 392f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 39343b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 394e028e4b8SVlad Yasevich u32 auto_cnt; 3956bc506b4SIdo Schimmel 3966bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3976bc506b4SIdo Schimmel int offload_fwd_mark; 3986bc506b4SIdo Schimmel #endif 3991da177e4SLinus Torvalds }; 4001da177e4SLinus Torvalds 40168b7c895SHerbert Xu struct br_input_skb_cb { 40268b7c895SHerbert Xu struct net_device *brdev; 40393fdd47eSHerbert Xu 40432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 405eb1d1641SHerbert Xu int igmp; 406eb1d1641SHerbert Xu int mrouters_only; 40732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 40893fdd47eSHerbert Xu 409842a9ae0SJouni Malinen bool proxyarp_replied; 41093fdd47eSHerbert Xu 41120adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 41220adfa1aSVlad Yasevich bool vlan_filtered; 41320adfa1aSVlad Yasevich #endif 4146bc506b4SIdo Schimmel 4156bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4166bc506b4SIdo Schimmel int offload_fwd_mark; 4176bc506b4SIdo Schimmel #endif 41868b7c895SHerbert Xu }; 41968b7c895SHerbert Xu 42068b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 42168b7c895SHerbert Xu 42232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 42332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 42432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 42532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 42632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 42732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 42828a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 42928a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 43028a16c97Sstephen hemminger 43128a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 43228a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 43328a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 43428a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 43528a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 43628a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 43728a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 43828a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 43928a16c97Sstephen hemminger 44028a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 44128a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 44228a16c97Sstephen hemminger 4431da177e4SLinus Torvalds /* called under bridge lock */ 4441da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4451da177e4SLinus Torvalds { 4461da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4471da177e4SLinus Torvalds } 4481da177e4SLinus Torvalds 4492594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4502594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4512594e906SNikolay Aleksandrov { 4522594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4532594e906SNikolay Aleksandrov } 4542594e906SNikolay Aleksandrov 4552594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4562594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4572594e906SNikolay Aleksandrov { 4582594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4592594e906SNikolay Aleksandrov } 4602594e906SNikolay Aleksandrov 4616be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 4622594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 4632594e906SNikolay Aleksandrov { 4642594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 4652594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 4662594e906SNikolay Aleksandrov return true; 4672594e906SNikolay Aleksandrov else 4682594e906SNikolay Aleksandrov return false; 4692594e906SNikolay Aleksandrov } 4702594e906SNikolay Aleksandrov 4712594e906SNikolay Aleksandrov return true; 4722594e906SNikolay Aleksandrov } 4732594e906SNikolay Aleksandrov 4741da177e4SLinus Torvalds /* br_device.c */ 475348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 476348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 477348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 478cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 47991d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 48091d2c34aSHerbert Xu struct sk_buff *skb) 48191d2c34aSHerbert Xu { 48291d2c34aSHerbert Xu struct netpoll *np = p->np; 48391d2c34aSHerbert Xu 48491d2c34aSHerbert Xu if (np) 48591d2c34aSHerbert Xu netpoll_send_skb(np, skb); 48691d2c34aSHerbert Xu } 48791d2c34aSHerbert Xu 488a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 489348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 49091d2c34aSHerbert Xu #else 4919f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 49291d2c34aSHerbert Xu struct sk_buff *skb) 49391d2c34aSHerbert Xu { 49491d2c34aSHerbert Xu } 49591d2c34aSHerbert Xu 496a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 49791d2c34aSHerbert Xu { 49891d2c34aSHerbert Xu return 0; 49991d2c34aSHerbert Xu } 50091d2c34aSHerbert Xu 50191d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 50291d2c34aSHerbert Xu { 50391d2c34aSHerbert Xu } 504cfb478daSstephen hemminger #endif 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds /* br_fdb.c */ 507348662a1SJoe Perches int br_fdb_init(void); 508348662a1SJoe Perches void br_fdb_fini(void); 509348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 510424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 511424bb9c9SToshiaki Makita const struct net_bridge_port *p, 512424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 513348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 514348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 515f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 516348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 5171ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 518bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 519bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 520bfd0aeacSNikolay Aleksandrov __u16 vid); 521348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 522348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 523348662a1SJoe Perches unsigned long off); 524348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 525348662a1SJoe Perches const unsigned char *addr, u16 vid); 526348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 527a5642ab4SToshiaki Makita const unsigned char *addr, u16 vid, bool added_by_user); 52877162022SJohn Fastabend 529348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 530f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 531348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 532f6f6424bSJiri Pirko const unsigned char *addr, u16 vid, u16 nlh_flags); 533348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 534d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 5358db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 5368db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 5373aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 5383aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5393aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 5403aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5419fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 5429fe8bcecSArkadi Sharshevsky const unsigned char *addr, u16 vid); 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvalds /* br_forward.c */ 5458addd5e7SNikolay Aleksandrov enum br_pkt_type { 5468addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 5478addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 5488addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 5498addd5e7SNikolay Aleksandrov }; 5500c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 551b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 55237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 5530c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 55437b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 5558addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 5561da177e4SLinus Torvalds 5571da177e4SLinus Torvalds /* br_if.c */ 558348662a1SJoe Perches void br_port_carrier_check(struct net_bridge_port *p); 559348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 560348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 561348662a1SJoe Perches int br_add_if(struct net_bridge *br, struct net_device *dev); 562348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 563348662a1SJoe Perches int br_min_mtu(const struct net_bridge *br); 564348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 565c8f44affSMichał Mirosław netdev_features_t features); 566e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 5672796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds /* br_input.c */ 5700c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 571348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 5721da177e4SLinus Torvalds 573859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 574859828c0SJiri Pirko { 575859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 576859828c0SJiri Pirko } 577859828c0SJiri Pirko 578859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 579859828c0SJiri Pirko { 580859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 581859828c0SJiri Pirko } 582859828c0SJiri Pirko 5831da177e4SLinus Torvalds /* br_ioctl.c */ 584348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 585348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 586348662a1SJoe Perches void __user *arg); 5871da177e4SLinus Torvalds 588eb1d1641SHerbert Xu /* br_multicast.c */ 589eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 5902ce297fcSCong Wang extern unsigned int br_mdb_rehash_seq; 591348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 592fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 593348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 594eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 5951080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 596348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 597348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 598348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 599348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 600348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 601348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 602e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 60337b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 60437b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 605348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 606348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 607348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 608348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 609348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 6105e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 611aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 612aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 613aa2ae3e7SNikolay Aleksandrov #endif 614348662a1SJoe Perches struct net_bridge_mdb_entry * 615348662a1SJoe Perches br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); 616348662a1SJoe Perches struct net_bridge_mdb_entry * 617348662a1SJoe Perches br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, 618348662a1SJoe Perches struct br_ip *group); 619348662a1SJoe Perches void br_multicast_free_pg(struct rcu_head *head); 620348662a1SJoe Perches struct net_bridge_port_group * 621348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 622762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 6236db6f0eaSFelix Fietkau unsigned char flags, const unsigned char *src); 624348662a1SJoe Perches void br_mdb_init(void); 625348662a1SJoe Perches void br_mdb_uninit(void); 62645ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 62745ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 628949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 629949f1e39SSatish Ashok int type); 6301080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 631a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 6321080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 633b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 6341080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 6351080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 6361080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 63785b35269SSridhar Samudrala 638cfd56754SCong Wang #define mlock_dereference(X, br) \ 639cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 640cfd56754SCong Wang 64185b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 64285b35269SSridhar Samudrala { 64385b35269SSridhar Samudrala return br->multicast_router == 2 || 64485b35269SSridhar Samudrala (br->multicast_router == 1 && 64585b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 64685b35269SSridhar Samudrala } 647b00589afSLinus Lüssing 648cc0fdd80SLinus Lüssing static inline bool 649cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 6500888d5f3Sdaniel struct bridge_mcast_other_query *querier, 6510888d5f3Sdaniel const bool is_ipv6) 652b00589afSLinus Lüssing { 6530888d5f3Sdaniel bool own_querier_enabled; 6540888d5f3Sdaniel 6550888d5f3Sdaniel if (br->multicast_querier) { 6560888d5f3Sdaniel if (is_ipv6 && !br->has_ipv6_addr) 6570888d5f3Sdaniel own_querier_enabled = false; 6580888d5f3Sdaniel else 6590888d5f3Sdaniel own_querier_enabled = true; 6600888d5f3Sdaniel } else { 6610888d5f3Sdaniel own_querier_enabled = false; 6620888d5f3Sdaniel } 6630888d5f3Sdaniel 664cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 6650888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 666cc0fdd80SLinus Lüssing } 667cc0fdd80SLinus Lüssing 668cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 669cc0fdd80SLinus Lüssing struct ethhdr *eth) 670cc0fdd80SLinus Lüssing { 671cc0fdd80SLinus Lüssing switch (eth->h_proto) { 672cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 6730888d5f3Sdaniel return __br_multicast_querier_exists(br, 6740888d5f3Sdaniel &br->ip4_other_query, false); 675cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 676cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 6770888d5f3Sdaniel return __br_multicast_querier_exists(br, 6780888d5f3Sdaniel &br->ip6_other_query, true); 679cc0fdd80SLinus Lüssing #endif 680cc0fdd80SLinus Lüssing default: 681cc0fdd80SLinus Lüssing return false; 682cc0fdd80SLinus Lüssing } 683b00589afSLinus Lüssing } 6841080ab95SNikolay Aleksandrov 6851080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 6861080ab95SNikolay Aleksandrov { 6871080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 6881080ab95SNikolay Aleksandrov } 689eb1d1641SHerbert Xu #else 690eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 691eb1d1641SHerbert Xu struct net_bridge_port *port, 69206499098SVlad Yasevich struct sk_buff *skb, 69306499098SVlad Yasevich u16 vid) 694eb1d1641SHerbert Xu { 695eb1d1641SHerbert Xu return 0; 696eb1d1641SHerbert Xu } 697eb1d1641SHerbert Xu 698eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 699fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 700eb1d1641SHerbert Xu { 701eb1d1641SHerbert Xu return NULL; 702eb1d1641SHerbert Xu } 703eb1d1641SHerbert Xu 7041080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 705eb1d1641SHerbert Xu { 7061080ab95SNikolay Aleksandrov return 0; 707eb1d1641SHerbert Xu } 708eb1d1641SHerbert Xu 709eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 710eb1d1641SHerbert Xu { 711eb1d1641SHerbert Xu } 712eb1d1641SHerbert Xu 713eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 714eb1d1641SHerbert Xu { 715eb1d1641SHerbert Xu } 716eb1d1641SHerbert Xu 717eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 718eb1d1641SHerbert Xu { 719eb1d1641SHerbert Xu } 720eb1d1641SHerbert Xu 721eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 722eb1d1641SHerbert Xu { 723eb1d1641SHerbert Xu } 724eb1d1641SHerbert Xu 725eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 726eb1d1641SHerbert Xu { 727eb1d1641SHerbert Xu } 728eb1d1641SHerbert Xu 729eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 730eb1d1641SHerbert Xu { 731eb1d1641SHerbert Xu } 7325cb5e947SHerbert Xu 733a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 734a7ce45a7SNikolay Aleksandrov { 735a7ce45a7SNikolay Aleksandrov } 736a7ce45a7SNikolay Aleksandrov 73737b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 73837b090e6SNikolay Aleksandrov struct sk_buff *skb, 73937b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 7405cb5e947SHerbert Xu { 7415cb5e947SHerbert Xu } 7425cb5e947SHerbert Xu 743eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 744eb1d1641SHerbert Xu { 74585b35269SSridhar Samudrala return 0; 746eb1d1641SHerbert Xu } 74737b090e6SNikolay Aleksandrov 748cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 749cc0fdd80SLinus Lüssing struct ethhdr *eth) 750b00589afSLinus Lüssing { 751b00589afSLinus Lüssing return false; 752b00589afSLinus Lüssing } 75337b090e6SNikolay Aleksandrov 754fdb184d1SRami Rosen static inline void br_mdb_init(void) 755fdb184d1SRami Rosen { 756fdb184d1SRami Rosen } 75737b090e6SNikolay Aleksandrov 758fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 759fdb184d1SRami Rosen { 760fdb184d1SRami Rosen } 7611080ab95SNikolay Aleksandrov 7621080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 7631080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 764a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 765a65056ecSNikolay Aleksandrov u8 type, u8 dir) 7661080ab95SNikolay Aleksandrov { 7671080ab95SNikolay Aleksandrov } 7681080ab95SNikolay Aleksandrov 7691080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 7701080ab95SNikolay Aleksandrov { 7711080ab95SNikolay Aleksandrov return 0; 7721080ab95SNikolay Aleksandrov } 7731080ab95SNikolay Aleksandrov 774b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 775b6fe0440SIdo Schimmel { 776b6fe0440SIdo Schimmel } 777b6fe0440SIdo Schimmel 7781080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 7791080ab95SNikolay Aleksandrov { 7801080ab95SNikolay Aleksandrov return 0; 7811080ab95SNikolay Aleksandrov } 78285b35269SSridhar Samudrala #endif 783eb1d1641SHerbert Xu 784243a2e63SVlad Yasevich /* br_vlan.c */ 785243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 78677751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 78777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 7882594e906SNikolay Aleksandrov u16 *vid); 78977751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 79085f46c6bSVlad Yasevich const struct sk_buff *skb); 791e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 792348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 79311538d03SRoopa Prabhu const struct net_bridge_port *port, 7942594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 79578851988SVlad Yasevich struct sk_buff *skb); 796348662a1SJoe Perches int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); 797348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 798348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 7992594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 800204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 801a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 802348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 803d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 804204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 8056dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 8065be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 80796a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 8080f963b75SNikolay Aleksandrov int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); 809348662a1SJoe Perches int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); 810348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 811348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 8125be5a2dfSVlad Yasevich int nbp_vlan_init(struct net_bridge_port *port); 8132594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 814a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 815a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 816a37b85c9SVlad Yasevich 8172594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 818a37b85c9SVlad Yasevich const struct net_bridge *br) 819a37b85c9SVlad Yasevich { 820907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 821a37b85c9SVlad Yasevich } 822a37b85c9SVlad Yasevich 8232594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 824a37b85c9SVlad Yasevich const struct net_bridge_port *p) 825a37b85c9SVlad Yasevich { 826907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 827907b1e6eSNikolay Aleksandrov } 828907b1e6eSNikolay Aleksandrov 829907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 830907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 831907b1e6eSNikolay Aleksandrov { 832907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 833907b1e6eSNikolay Aleksandrov } 834907b1e6eSNikolay Aleksandrov 835907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 836907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 837907b1e6eSNikolay Aleksandrov { 838907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 839a37b85c9SVlad Yasevich } 840a37b85c9SVlad Yasevich 841a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 842a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 843a37b85c9SVlad Yasevich */ 844a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 845a37b85c9SVlad Yasevich { 846a37b85c9SVlad Yasevich int err = 0; 847a37b85c9SVlad Yasevich 8482594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 849df8a39deSJiri Pirko *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; 8502594e906SNikolay Aleksandrov } else { 851a37b85c9SVlad Yasevich *vid = 0; 852a37b85c9SVlad Yasevich err = -EINVAL; 853a37b85c9SVlad Yasevich } 854a37b85c9SVlad Yasevich 855a37b85c9SVlad Yasevich return err; 856a37b85c9SVlad Yasevich } 85778851988SVlad Yasevich 85877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 85978851988SVlad Yasevich { 86077751ee8SNikolay Aleksandrov if (!vg) 8615be5a2dfSVlad Yasevich return 0; 8625be5a2dfSVlad Yasevich 86378851988SVlad Yasevich smp_rmb(); 86477751ee8SNikolay Aleksandrov return vg->pvid; 86578851988SVlad Yasevich } 86678851988SVlad Yasevich 867243a2e63SVlad Yasevich #else 86877751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 86977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 8702594e906SNikolay Aleksandrov struct sk_buff *skb, 8712594e906SNikolay Aleksandrov u16 *vid) 8722594e906SNikolay Aleksandrov { 8732594e906SNikolay Aleksandrov return true; 8742594e906SNikolay Aleksandrov } 8752594e906SNikolay Aleksandrov 8762594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 87785f46c6bSVlad Yasevich const struct sk_buff *skb) 87885f46c6bSVlad Yasevich { 87985f46c6bSVlad Yasevich return true; 88085f46c6bSVlad Yasevich } 88185f46c6bSVlad Yasevich 882e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 883e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 884e0d7968aSToshiaki Makita { 885e0d7968aSToshiaki Makita return true; 886e0d7968aSToshiaki Makita } 887e0d7968aSToshiaki Makita 88878851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 88911538d03SRoopa Prabhu const struct net_bridge_port *port, 8902594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 89178851988SVlad Yasevich struct sk_buff *skb) 89278851988SVlad Yasevich { 89378851988SVlad Yasevich return skb; 89478851988SVlad Yasevich } 89578851988SVlad Yasevich 896552406c4SVlad Yasevich static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) 897243a2e63SVlad Yasevich { 898243a2e63SVlad Yasevich return -EOPNOTSUPP; 899243a2e63SVlad Yasevich } 900243a2e63SVlad Yasevich 901243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 902243a2e63SVlad Yasevich { 903243a2e63SVlad Yasevich return -EOPNOTSUPP; 904243a2e63SVlad Yasevich } 905243a2e63SVlad Yasevich 906243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 907243a2e63SVlad Yasevich { 908243a2e63SVlad Yasevich } 909243a2e63SVlad Yasevich 910204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 911204177f3SToshiaki Makita { 912204177f3SToshiaki Makita } 913204177f3SToshiaki Makita 9145be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 9158580e211SToshiaki Makita { 9165be5a2dfSVlad Yasevich return 0; 9178580e211SToshiaki Makita } 9188580e211SToshiaki Makita 919552406c4SVlad Yasevich static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) 920243a2e63SVlad Yasevich { 921243a2e63SVlad Yasevich return -EOPNOTSUPP; 922243a2e63SVlad Yasevich } 923243a2e63SVlad Yasevich 924243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 925243a2e63SVlad Yasevich { 926243a2e63SVlad Yasevich return -EOPNOTSUPP; 927243a2e63SVlad Yasevich } 928243a2e63SVlad Yasevich 929243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 930243a2e63SVlad Yasevich { 931243a2e63SVlad Yasevich } 932243a2e63SVlad Yasevich 9332594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 9342594e906SNikolay Aleksandrov u16 vid) 935a37b85c9SVlad Yasevich { 936a37b85c9SVlad Yasevich return NULL; 937a37b85c9SVlad Yasevich } 938bc9a25d2SVlad Yasevich 9395be5a2dfSVlad Yasevich static inline int nbp_vlan_init(struct net_bridge_port *port) 9405be5a2dfSVlad Yasevich { 9415be5a2dfSVlad Yasevich return 0; 9425be5a2dfSVlad Yasevich } 9435be5a2dfSVlad Yasevich 94478851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 945a37b85c9SVlad Yasevich { 946a37b85c9SVlad Yasevich return 0; 947a37b85c9SVlad Yasevich } 9482594e906SNikolay Aleksandrov 94977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 95078851988SVlad Yasevich { 9513df6bf45SVlad Yasevich return 0; 95278851988SVlad Yasevich } 9532796d0c6SVlad Yasevich 954a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 955a7854037SNikolay Aleksandrov unsigned long val) 956a7854037SNikolay Aleksandrov { 957a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 958a7854037SNikolay Aleksandrov } 9592594e906SNikolay Aleksandrov 9602594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 9612594e906SNikolay Aleksandrov u32 filter_mask) 9622594e906SNikolay Aleksandrov { 9632594e906SNikolay Aleksandrov return 0; 9642594e906SNikolay Aleksandrov } 9652594e906SNikolay Aleksandrov 9662594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 9672594e906SNikolay Aleksandrov const struct net_bridge *br) 9682594e906SNikolay Aleksandrov { 9692594e906SNikolay Aleksandrov return NULL; 9702594e906SNikolay Aleksandrov } 9712594e906SNikolay Aleksandrov 9722594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 9732594e906SNikolay Aleksandrov const struct net_bridge_port *p) 9742594e906SNikolay Aleksandrov { 9752594e906SNikolay Aleksandrov return NULL; 9762594e906SNikolay Aleksandrov } 977907b1e6eSNikolay Aleksandrov 978907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 979907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 980907b1e6eSNikolay Aleksandrov { 981907b1e6eSNikolay Aleksandrov return NULL; 982907b1e6eSNikolay Aleksandrov } 983907b1e6eSNikolay Aleksandrov 984907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 985907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 986907b1e6eSNikolay Aleksandrov { 987907b1e6eSNikolay Aleksandrov return NULL; 988907b1e6eSNikolay Aleksandrov } 989a60c0903SNikolay Aleksandrov 990a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 991a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 992a60c0903SNikolay Aleksandrov { 993a60c0903SNikolay Aleksandrov } 994243a2e63SVlad Yasevich #endif 995243a2e63SVlad Yasevich 9961a4ba64dSPablo Neira Ayuso struct nf_br_ops { 9971a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 9981a4ba64dSPablo Neira Ayuso }; 9991a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 10001a4ba64dSPablo Neira Ayuso 10011da177e4SLinus Torvalds /* br_netfilter.c */ 100234666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 100334666d46SPablo Neira Ayuso int br_nf_core_init(void); 100434666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1005348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1006c0909713SStephen Hemminger #else 100734666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 100834666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 10094adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1010c0909713SStephen Hemminger #endif 10111da177e4SLinus Torvalds 10121da177e4SLinus Torvalds /* br_stp.c */ 1013775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1014348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1015348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1016348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 10171da177e4SLinus Torvalds 1018348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1019348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1020348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1021348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 102282dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 10239e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 102414f98f25Sstephen hemminger 102514f98f25Sstephen hemminger 10261da177e4SLinus Torvalds /* br_stp_if.c */ 1027348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1028348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1029348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 1030348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1031348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1032348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1033348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1034348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1035348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1036348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1037348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvalds /* br_stp_bpdu.c */ 10407c85fbf0SPatrick McHardy struct stp_proto; 1041348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 10427c85fbf0SPatrick McHardy struct net_device *dev); 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvalds /* br_stp_timer.c */ 1045348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1046348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1047348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 10481da177e4SLinus Torvalds 10491da177e4SLinus Torvalds /* br.c */ 1050e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1051da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1052da678292SMichał Mirosław #endif 10531da177e4SLinus Torvalds 105411dc1f36SStephen Hemminger /* br_netlink.c */ 1055149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1056348662a1SJoe Perches int br_netlink_init(void); 1057348662a1SJoe Perches void br_netlink_fini(void); 1058348662a1SJoe Perches void br_ifinfo_notify(int event, struct net_bridge_port *port); 1059add511b3SRoopa Prabhu int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1060add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1061348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 106246c264daSNicolas Dichtel u32 filter_mask, int nlflags); 106311dc1f36SStephen Hemminger 10641da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 10651da177e4SLinus Torvalds /* br_sysfs_if.c */ 106652cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1067348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1068348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 10691da177e4SLinus Torvalds 10701da177e4SLinus Torvalds /* br_sysfs_br.c */ 1071348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1072348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvalds #else 10751da177e4SLinus Torvalds 10760cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 10770cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 10780cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 10790cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 10801da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 10811da177e4SLinus Torvalds 10826bc506b4SIdo Schimmel /* br_switchdev.c */ 10836bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 10846bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 10856bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10866bc506b4SIdo Schimmel struct sk_buff *skb); 10876bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10886bc506b4SIdo Schimmel const struct sk_buff *skb); 10893922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 10903922285dSArkadi Sharshevsky unsigned long flags, 10913922285dSArkadi Sharshevsky unsigned long mask); 10926b26b51bSArkadi Sharshevsky void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, 10936b26b51bSArkadi Sharshevsky int type); 10946bc506b4SIdo Schimmel #else 10956bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 10966bc506b4SIdo Schimmel { 10976bc506b4SIdo Schimmel return 0; 10986bc506b4SIdo Schimmel } 10996bc506b4SIdo Schimmel 11006bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 11016bc506b4SIdo Schimmel struct sk_buff *skb) 11026bc506b4SIdo Schimmel { 11036bc506b4SIdo Schimmel } 11046bc506b4SIdo Schimmel 11056bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 11066bc506b4SIdo Schimmel const struct sk_buff *skb) 11076bc506b4SIdo Schimmel { 11086bc506b4SIdo Schimmel return true; 11096bc506b4SIdo Schimmel } 11103922285dSArkadi Sharshevsky 11113922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 11123922285dSArkadi Sharshevsky unsigned long flags, 11133922285dSArkadi Sharshevsky unsigned long mask) 11143922285dSArkadi Sharshevsky { 11153922285dSArkadi Sharshevsky return 0; 11163922285dSArkadi Sharshevsky } 11176b26b51bSArkadi Sharshevsky 11186b26b51bSArkadi Sharshevsky static inline void 11196b26b51bSArkadi Sharshevsky br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) 11206b26b51bSArkadi Sharshevsky { 11216b26b51bSArkadi Sharshevsky } 11226bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 11236bc506b4SIdo Schimmel 11241da177e4SLinus Torvalds #endif 1125