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 1631da177e4SLinus Torvalds struct net_bridge_fdb_entry 1641da177e4SLinus Torvalds { 1651da177e4SLinus Torvalds struct hlist_node hlist; 1661da177e4SLinus Torvalds struct net_bridge_port *dst; 1671da177e4SLinus Torvalds 1687cd8861aSstephen hemminger unsigned long updated; 1697cd8861aSstephen hemminger unsigned long used; 1701da177e4SLinus Torvalds mac_addr addr; 171b22fbf22SNikolay Aleksandrov __u16 vlan_id; 17293859b13SJiri Pirko unsigned char is_local:1, 17393859b13SJiri Pirko is_static:1, 174cf6b8e1eSScott Feldman added_by_user:1, 175cf6b8e1eSScott Feldman added_by_external_learn:1; 176b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 1771da177e4SLinus Torvalds }; 1781da177e4SLinus Torvalds 1799d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 1809d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 1819d06b6d8SElad Raz 182eb1d1641SHerbert Xu struct net_bridge_port_group { 183eb1d1641SHerbert Xu struct net_bridge_port *port; 184e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 185eb1d1641SHerbert Xu struct hlist_node mglist; 186eb1d1641SHerbert Xu struct rcu_head rcu; 187eb1d1641SHerbert Xu struct timer_list timer; 1888ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1899d06b6d8SElad Raz unsigned char flags; 1906db6f0eaSFelix Fietkau unsigned char eth_addr[ETH_ALEN]; 191eb1d1641SHerbert Xu }; 192eb1d1641SHerbert Xu 193eb1d1641SHerbert Xu struct net_bridge_mdb_entry 194eb1d1641SHerbert Xu { 195eb1d1641SHerbert Xu struct hlist_node hlist[2]; 196eb1d1641SHerbert Xu struct net_bridge *br; 197e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 198eb1d1641SHerbert Xu struct rcu_head rcu; 199eb1d1641SHerbert Xu struct timer_list timer; 2008ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 2018a870178SHerbert Xu bool mglist; 202eb1d1641SHerbert Xu }; 203eb1d1641SHerbert Xu 204eb1d1641SHerbert Xu struct net_bridge_mdb_htable 205eb1d1641SHerbert Xu { 206eb1d1641SHerbert Xu struct hlist_head *mhash; 207eb1d1641SHerbert Xu struct rcu_head rcu; 208eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 209eb1d1641SHerbert Xu u32 size; 210eb1d1641SHerbert Xu u32 max; 211eb1d1641SHerbert Xu u32 secret; 212eb1d1641SHerbert Xu u32 ver; 213eb1d1641SHerbert Xu }; 214eb1d1641SHerbert Xu 2151da177e4SLinus Torvalds struct net_bridge_port 2161da177e4SLinus Torvalds { 2171da177e4SLinus Torvalds struct net_bridge *br; 2181da177e4SLinus Torvalds struct net_device *dev; 2191da177e4SLinus Torvalds struct list_head list; 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds /* STP */ 2221da177e4SLinus Torvalds u8 priority; 2231da177e4SLinus Torvalds u8 state; 2241da177e4SLinus Torvalds u16 port_no; 2251da177e4SLinus Torvalds unsigned char topology_change_ack; 2261da177e4SLinus Torvalds unsigned char config_pending; 2271da177e4SLinus Torvalds port_id port_id; 2281da177e4SLinus Torvalds port_id designated_port; 2291da177e4SLinus Torvalds bridge_id designated_root; 2301da177e4SLinus Torvalds bridge_id designated_bridge; 2311da177e4SLinus Torvalds u32 path_cost; 2321da177e4SLinus Torvalds u32 designated_cost; 2330c03150eSstephen hemminger unsigned long designated_age; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2361da177e4SLinus Torvalds struct timer_list hold_timer; 2371da177e4SLinus Torvalds struct timer_list message_age_timer; 2381da177e4SLinus Torvalds struct kobject kobj; 2391da177e4SLinus Torvalds struct rcu_head rcu; 2403982d3d2SFischer, Anna 2413982d3d2SFischer, Anna unsigned long flags; 242eb1d1641SHerbert Xu 243eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 24490010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 245cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 24690010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 247cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 248eb1d1641SHerbert Xu unsigned char multicast_router; 2491080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 250eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 251eb1d1641SHerbert Xu struct hlist_head mglist; 252eb1d1641SHerbert Xu struct hlist_node rlist; 253eb1d1641SHerbert Xu #endif 254e0f43752SSimon Arlott 255e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 256e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 257e0f43752SSimon Arlott #endif 25891d2c34aSHerbert Xu 25991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 26091d2c34aSHerbert Xu struct netpoll *np; 26191d2c34aSHerbert Xu #endif 262243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 263907b1e6eSNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 264243a2e63SVlad Yasevich #endif 2656bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2666bc506b4SIdo Schimmel int offload_fwd_mark; 2676bc506b4SIdo Schimmel #endif 2681da177e4SLinus Torvalds }; 2691da177e4SLinus Torvalds 270e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 271f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 272e028e4b8SVlad Yasevich 273f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 274f350a0a8SJiri Pirko 275b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 276b5ed54e9Sstephen hemminger { 277716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 278b5ed54e9Sstephen hemminger } 279b5ed54e9Sstephen hemminger 2801fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 281b5ed54e9Sstephen hemminger { 282ec1e5610SEric Dumazet return br_port_exists(dev) ? 283ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 284b5ed54e9Sstephen hemminger } 285b5ed54e9Sstephen hemminger 2861da177e4SLinus Torvalds struct net_bridge 2871da177e4SLinus Torvalds { 2881da177e4SLinus Torvalds spinlock_t lock; 2891da177e4SLinus Torvalds struct list_head port_list; 2901da177e4SLinus Torvalds struct net_device *dev; 29114bb4789Sstephen hemminger 2928f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 2931da177e4SLinus Torvalds spinlock_t hash_lock; 2941da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 29534666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 296efb6de9bSBernhard Thaler union { 2974adf0af6SSimon Wunderlich struct rtable fake_rtable; 298efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 299efb6de9bSBernhard Thaler }; 3004df53d8bSPatrick McHardy bool nf_call_iptables; 3014df53d8bSPatrick McHardy bool nf_call_ip6tables; 3024df53d8bSPatrick McHardy bool nf_call_arptables; 3034adf0af6SSimon Wunderlich #endif 304515853ccSstephen hemminger u16 group_fwd_mask; 305f2808d22SToshiaki Makita u16 group_fwd_mask_required; 306515853ccSstephen hemminger 3071da177e4SLinus Torvalds /* STP */ 3081da177e4SLinus Torvalds bridge_id designated_root; 3091da177e4SLinus Torvalds bridge_id bridge_id; 3101da177e4SLinus Torvalds u32 root_path_cost; 3111da177e4SLinus Torvalds unsigned long max_age; 3121da177e4SLinus Torvalds unsigned long hello_time; 3131da177e4SLinus Torvalds unsigned long forward_delay; 3141da177e4SLinus Torvalds unsigned long ageing_time; 31534d8acd8SVivien Didelot unsigned long bridge_max_age; 3161da177e4SLinus Torvalds unsigned long bridge_hello_time; 3171da177e4SLinus Torvalds unsigned long bridge_forward_delay; 31834d8acd8SVivien Didelot unsigned long bridge_ageing_time; 3191da177e4SLinus Torvalds 320fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 321204177f3SToshiaki Makita bool group_addr_set; 3221da177e4SLinus Torvalds u16 root_port; 3239cde0708SStephen Hemminger 3249cde0708SStephen Hemminger enum { 3259cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 3269cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 3279cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 3289cde0708SStephen Hemminger } stp_enabled; 3299cde0708SStephen Hemminger 3301da177e4SLinus Torvalds unsigned char topology_change; 3311da177e4SLinus Torvalds unsigned char topology_change_detected; 3321da177e4SLinus Torvalds 333eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 334eb1d1641SHerbert Xu unsigned char multicast_router; 335eb1d1641SHerbert Xu 336eb1d1641SHerbert Xu u8 multicast_disabled:1; 337c5c23260SHerbert Xu u8 multicast_querier:1; 3381c8ad5bfSCong Wang u8 multicast_query_use_ifaddr:1; 3390888d5f3Sdaniel u8 has_ipv6_addr:1; 3401080ab95SNikolay Aleksandrov u8 multicast_stats_enabled:1; 341eb1d1641SHerbert Xu 342eb1d1641SHerbert Xu u32 hash_elasticity; 343eb1d1641SHerbert Xu u32 hash_max; 344eb1d1641SHerbert Xu 345eb1d1641SHerbert Xu u32 multicast_last_member_count; 346eb1d1641SHerbert Xu u32 multicast_startup_query_count; 347eb1d1641SHerbert Xu 3485e923585SNikolay Aleksandrov u8 multicast_igmp_version; 3495e923585SNikolay Aleksandrov 350eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 351eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 352eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 353eb1d1641SHerbert Xu unsigned long multicast_query_interval; 354eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 355eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 356eb1d1641SHerbert Xu 357eb1d1641SHerbert Xu spinlock_t multicast_lock; 358e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 359eb1d1641SHerbert Xu struct hlist_head router_list; 360eb1d1641SHerbert Xu 361eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 36290010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 36390010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 364dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 3651080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 366cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 36790010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 36890010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 369dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 370aa2ae3e7SNikolay Aleksandrov u8 multicast_mld_version; 371cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 372eb1d1641SHerbert Xu #endif 373eb1d1641SHerbert Xu 3741da177e4SLinus Torvalds struct timer_list hello_timer; 3751da177e4SLinus Torvalds struct timer_list tcn_timer; 3761da177e4SLinus Torvalds struct timer_list topology_change_timer; 3771da177e4SLinus Torvalds struct timer_list gc_timer; 37843b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 379e028e4b8SVlad Yasevich u32 auto_cnt; 3806bc506b4SIdo Schimmel 3816bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3826bc506b4SIdo Schimmel int offload_fwd_mark; 3836bc506b4SIdo Schimmel #endif 3846bc506b4SIdo Schimmel 385243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 386907b1e6eSNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 387243a2e63SVlad Yasevich u8 vlan_enabled; 3886dada9b1SNikolay Aleksandrov u8 vlan_stats_enabled; 3898580e211SToshiaki Makita __be16 vlan_proto; 39096a20d9dSVlad Yasevich u16 default_pvid; 391243a2e63SVlad Yasevich #endif 3921da177e4SLinus Torvalds }; 3931da177e4SLinus Torvalds 39468b7c895SHerbert Xu struct br_input_skb_cb { 39568b7c895SHerbert Xu struct net_device *brdev; 39693fdd47eSHerbert Xu 39732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 398eb1d1641SHerbert Xu int igmp; 399eb1d1641SHerbert Xu int mrouters_only; 40032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 40193fdd47eSHerbert Xu 402842a9ae0SJouni Malinen bool proxyarp_replied; 40393fdd47eSHerbert Xu 40420adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 40520adfa1aSVlad Yasevich bool vlan_filtered; 40620adfa1aSVlad Yasevich #endif 4076bc506b4SIdo Schimmel 4086bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4096bc506b4SIdo Schimmel int offload_fwd_mark; 4106bc506b4SIdo Schimmel #endif 41168b7c895SHerbert Xu }; 41268b7c895SHerbert Xu 41368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 41468b7c895SHerbert Xu 41532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 41632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 41732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 41832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 41932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 42032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 42128a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 42228a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 42328a16c97Sstephen hemminger 42428a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 42528a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 42628a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 42728a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 42828a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 42928a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 43028a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 43128a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 43228a16c97Sstephen hemminger 43328a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 43428a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 43528a16c97Sstephen hemminger 4361da177e4SLinus Torvalds /* called under bridge lock */ 4371da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4381da177e4SLinus Torvalds { 4391da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4401da177e4SLinus Torvalds } 4411da177e4SLinus Torvalds 4422594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4432594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4442594e906SNikolay Aleksandrov { 4452594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4462594e906SNikolay Aleksandrov } 4472594e906SNikolay Aleksandrov 4482594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4492594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4502594e906SNikolay Aleksandrov { 4512594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4522594e906SNikolay Aleksandrov } 4532594e906SNikolay Aleksandrov 4546be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 4552594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 4562594e906SNikolay Aleksandrov { 4572594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 4582594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 4592594e906SNikolay Aleksandrov return true; 4602594e906SNikolay Aleksandrov else 4612594e906SNikolay Aleksandrov return false; 4622594e906SNikolay Aleksandrov } 4632594e906SNikolay Aleksandrov 4642594e906SNikolay Aleksandrov return true; 4652594e906SNikolay Aleksandrov } 4662594e906SNikolay Aleksandrov 4671da177e4SLinus Torvalds /* br_device.c */ 468348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 469348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 470348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 471cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 47291d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 47391d2c34aSHerbert Xu struct sk_buff *skb) 47491d2c34aSHerbert Xu { 47591d2c34aSHerbert Xu struct netpoll *np = p->np; 47691d2c34aSHerbert Xu 47791d2c34aSHerbert Xu if (np) 47891d2c34aSHerbert Xu netpoll_send_skb(np, skb); 47991d2c34aSHerbert Xu } 48091d2c34aSHerbert Xu 481a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 482348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 48391d2c34aSHerbert Xu #else 4849f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 48591d2c34aSHerbert Xu struct sk_buff *skb) 48691d2c34aSHerbert Xu { 48791d2c34aSHerbert Xu } 48891d2c34aSHerbert Xu 489a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 49091d2c34aSHerbert Xu { 49191d2c34aSHerbert Xu return 0; 49291d2c34aSHerbert Xu } 49391d2c34aSHerbert Xu 49491d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 49591d2c34aSHerbert Xu { 49691d2c34aSHerbert Xu } 497cfb478daSstephen hemminger #endif 4981da177e4SLinus Torvalds 4991da177e4SLinus Torvalds /* br_fdb.c */ 500348662a1SJoe Perches int br_fdb_init(void); 501348662a1SJoe Perches void br_fdb_fini(void); 502348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 503424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 504424bb9c9SToshiaki Makita const struct net_bridge_port *p, 505424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 506348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 507348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 508348662a1SJoe Perches void br_fdb_cleanup(unsigned long arg); 509348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 5101ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 511348662a1SJoe Perches struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 512348662a1SJoe Perches const unsigned char *addr, __u16 vid); 513348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 514348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 515348662a1SJoe Perches unsigned long off); 516348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 517348662a1SJoe Perches const unsigned char *addr, u16 vid); 518348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 519a5642ab4SToshiaki Makita const unsigned char *addr, u16 vid, bool added_by_user); 52077162022SJohn Fastabend 521348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 522f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 523348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 524f6f6424bSJiri Pirko const unsigned char *addr, u16 vid, u16 nlh_flags); 525348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 526d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 5278db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 5288db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 5293aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 5303aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5313aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 5323aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds /* br_forward.c */ 5358addd5e7SNikolay Aleksandrov enum br_pkt_type { 5368addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 5378addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 5388addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 5398addd5e7SNikolay Aleksandrov }; 5400c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 541b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 54237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 5430c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 54437b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 5458addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds /* br_if.c */ 548348662a1SJoe Perches void br_port_carrier_check(struct net_bridge_port *p); 549348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 550348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 551348662a1SJoe Perches int br_add_if(struct net_bridge *br, struct net_device *dev); 552348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 553348662a1SJoe Perches int br_min_mtu(const struct net_bridge *br); 554348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 555c8f44affSMichał Mirosław netdev_features_t features); 556e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 5572796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 5581da177e4SLinus Torvalds 5591da177e4SLinus Torvalds /* br_input.c */ 5600c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 561348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 5621da177e4SLinus Torvalds 563859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 564859828c0SJiri Pirko { 565859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 566859828c0SJiri Pirko } 567859828c0SJiri Pirko 568859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 569859828c0SJiri Pirko { 570859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 571859828c0SJiri Pirko } 572859828c0SJiri Pirko 5731da177e4SLinus Torvalds /* br_ioctl.c */ 574348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 575348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 576348662a1SJoe Perches void __user *arg); 5771da177e4SLinus Torvalds 578eb1d1641SHerbert Xu /* br_multicast.c */ 579eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 5802ce297fcSCong Wang extern unsigned int br_mdb_rehash_seq; 581348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 582fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 583348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 584eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 5851080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 586348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 587348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 588348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 589348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 590348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 591348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 592e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 59337b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 59437b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 595348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 596348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 597348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 598348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 599348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 6005e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 601aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 602aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 603aa2ae3e7SNikolay Aleksandrov #endif 604348662a1SJoe Perches struct net_bridge_mdb_entry * 605348662a1SJoe Perches br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); 606348662a1SJoe Perches struct net_bridge_mdb_entry * 607348662a1SJoe Perches br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, 608348662a1SJoe Perches struct br_ip *group); 609348662a1SJoe Perches void br_multicast_free_pg(struct rcu_head *head); 610348662a1SJoe Perches struct net_bridge_port_group * 611348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 612762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 6136db6f0eaSFelix Fietkau unsigned char flags, const unsigned char *src); 614348662a1SJoe Perches void br_mdb_init(void); 615348662a1SJoe Perches void br_mdb_uninit(void); 61645ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 61745ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 618949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 619949f1e39SSatish Ashok int type); 6201080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 621a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 6221080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 6231080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 6241080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 6251080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 62685b35269SSridhar Samudrala 627cfd56754SCong Wang #define mlock_dereference(X, br) \ 628cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 629cfd56754SCong Wang 63085b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 63185b35269SSridhar Samudrala { 63285b35269SSridhar Samudrala return br->multicast_router == 2 || 63385b35269SSridhar Samudrala (br->multicast_router == 1 && 63485b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 63585b35269SSridhar Samudrala } 636b00589afSLinus Lüssing 637cc0fdd80SLinus Lüssing static inline bool 638cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 6390888d5f3Sdaniel struct bridge_mcast_other_query *querier, 6400888d5f3Sdaniel const bool is_ipv6) 641b00589afSLinus Lüssing { 6420888d5f3Sdaniel bool own_querier_enabled; 6430888d5f3Sdaniel 6440888d5f3Sdaniel if (br->multicast_querier) { 6450888d5f3Sdaniel if (is_ipv6 && !br->has_ipv6_addr) 6460888d5f3Sdaniel own_querier_enabled = false; 6470888d5f3Sdaniel else 6480888d5f3Sdaniel own_querier_enabled = true; 6490888d5f3Sdaniel } else { 6500888d5f3Sdaniel own_querier_enabled = false; 6510888d5f3Sdaniel } 6520888d5f3Sdaniel 653cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 6540888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 655cc0fdd80SLinus Lüssing } 656cc0fdd80SLinus Lüssing 657cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 658cc0fdd80SLinus Lüssing struct ethhdr *eth) 659cc0fdd80SLinus Lüssing { 660cc0fdd80SLinus Lüssing switch (eth->h_proto) { 661cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 6620888d5f3Sdaniel return __br_multicast_querier_exists(br, 6630888d5f3Sdaniel &br->ip4_other_query, false); 664cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 665cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 6660888d5f3Sdaniel return __br_multicast_querier_exists(br, 6670888d5f3Sdaniel &br->ip6_other_query, true); 668cc0fdd80SLinus Lüssing #endif 669cc0fdd80SLinus Lüssing default: 670cc0fdd80SLinus Lüssing return false; 671cc0fdd80SLinus Lüssing } 672b00589afSLinus Lüssing } 6731080ab95SNikolay Aleksandrov 6741080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 6751080ab95SNikolay Aleksandrov { 6761080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 6771080ab95SNikolay Aleksandrov } 678eb1d1641SHerbert Xu #else 679eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 680eb1d1641SHerbert Xu struct net_bridge_port *port, 68106499098SVlad Yasevich struct sk_buff *skb, 68206499098SVlad Yasevich u16 vid) 683eb1d1641SHerbert Xu { 684eb1d1641SHerbert Xu return 0; 685eb1d1641SHerbert Xu } 686eb1d1641SHerbert Xu 687eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 688fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 689eb1d1641SHerbert Xu { 690eb1d1641SHerbert Xu return NULL; 691eb1d1641SHerbert Xu } 692eb1d1641SHerbert Xu 6931080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 694eb1d1641SHerbert Xu { 6951080ab95SNikolay Aleksandrov return 0; 696eb1d1641SHerbert Xu } 697eb1d1641SHerbert Xu 698eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 699eb1d1641SHerbert Xu { 700eb1d1641SHerbert Xu } 701eb1d1641SHerbert Xu 702eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 703eb1d1641SHerbert Xu { 704eb1d1641SHerbert Xu } 705eb1d1641SHerbert Xu 706eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 707eb1d1641SHerbert Xu { 708eb1d1641SHerbert Xu } 709eb1d1641SHerbert Xu 710eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 711eb1d1641SHerbert Xu { 712eb1d1641SHerbert Xu } 713eb1d1641SHerbert Xu 714eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 715eb1d1641SHerbert Xu { 716eb1d1641SHerbert Xu } 717eb1d1641SHerbert Xu 718eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 719eb1d1641SHerbert Xu { 720eb1d1641SHerbert Xu } 7215cb5e947SHerbert Xu 722a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 723a7ce45a7SNikolay Aleksandrov { 724a7ce45a7SNikolay Aleksandrov } 725a7ce45a7SNikolay Aleksandrov 72637b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 72737b090e6SNikolay Aleksandrov struct sk_buff *skb, 72837b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 7295cb5e947SHerbert Xu { 7305cb5e947SHerbert Xu } 7315cb5e947SHerbert Xu 732eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 733eb1d1641SHerbert Xu { 73485b35269SSridhar Samudrala return 0; 735eb1d1641SHerbert Xu } 73637b090e6SNikolay Aleksandrov 737cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 738cc0fdd80SLinus Lüssing struct ethhdr *eth) 739b00589afSLinus Lüssing { 740b00589afSLinus Lüssing return false; 741b00589afSLinus Lüssing } 74237b090e6SNikolay Aleksandrov 743fdb184d1SRami Rosen static inline void br_mdb_init(void) 744fdb184d1SRami Rosen { 745fdb184d1SRami Rosen } 74637b090e6SNikolay Aleksandrov 747fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 748fdb184d1SRami Rosen { 749fdb184d1SRami Rosen } 7501080ab95SNikolay Aleksandrov 7511080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 7521080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 753a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 754a65056ecSNikolay Aleksandrov u8 type, u8 dir) 7551080ab95SNikolay Aleksandrov { 7561080ab95SNikolay Aleksandrov } 7571080ab95SNikolay Aleksandrov 7581080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 7591080ab95SNikolay Aleksandrov { 7601080ab95SNikolay Aleksandrov return 0; 7611080ab95SNikolay Aleksandrov } 7621080ab95SNikolay Aleksandrov 7631080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 7641080ab95SNikolay Aleksandrov { 7651080ab95SNikolay Aleksandrov return 0; 7661080ab95SNikolay Aleksandrov } 76785b35269SSridhar Samudrala #endif 768eb1d1641SHerbert Xu 769243a2e63SVlad Yasevich /* br_vlan.c */ 770243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 77177751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 77277751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 7732594e906SNikolay Aleksandrov u16 *vid); 77477751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 77585f46c6bSVlad Yasevich const struct sk_buff *skb); 776e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 777348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 7782594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 77978851988SVlad Yasevich struct sk_buff *skb); 780348662a1SJoe Perches int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); 781348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 782348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 7832594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 784204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 785a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 786348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 787d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 788204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 7896dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 7905be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 79196a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 7920f963b75SNikolay Aleksandrov int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); 793348662a1SJoe Perches int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); 794348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 795348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 7965be5a2dfSVlad Yasevich int nbp_vlan_init(struct net_bridge_port *port); 7972594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 798a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 799a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 800a37b85c9SVlad Yasevich 8012594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 802a37b85c9SVlad Yasevich const struct net_bridge *br) 803a37b85c9SVlad Yasevich { 804907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 805a37b85c9SVlad Yasevich } 806a37b85c9SVlad Yasevich 8072594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 808a37b85c9SVlad Yasevich const struct net_bridge_port *p) 809a37b85c9SVlad Yasevich { 810907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 811907b1e6eSNikolay Aleksandrov } 812907b1e6eSNikolay Aleksandrov 813907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 814907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 815907b1e6eSNikolay Aleksandrov { 816907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 817907b1e6eSNikolay Aleksandrov } 818907b1e6eSNikolay Aleksandrov 819907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 820907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 821907b1e6eSNikolay Aleksandrov { 822907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 823a37b85c9SVlad Yasevich } 824a37b85c9SVlad Yasevich 825a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 826a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 827a37b85c9SVlad Yasevich */ 828a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 829a37b85c9SVlad Yasevich { 830a37b85c9SVlad Yasevich int err = 0; 831a37b85c9SVlad Yasevich 8322594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 833df8a39deSJiri Pirko *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; 8342594e906SNikolay Aleksandrov } else { 835a37b85c9SVlad Yasevich *vid = 0; 836a37b85c9SVlad Yasevich err = -EINVAL; 837a37b85c9SVlad Yasevich } 838a37b85c9SVlad Yasevich 839a37b85c9SVlad Yasevich return err; 840a37b85c9SVlad Yasevich } 84178851988SVlad Yasevich 84277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 84378851988SVlad Yasevich { 84477751ee8SNikolay Aleksandrov if (!vg) 8455be5a2dfSVlad Yasevich return 0; 8465be5a2dfSVlad Yasevich 84778851988SVlad Yasevich smp_rmb(); 84877751ee8SNikolay Aleksandrov return vg->pvid; 84978851988SVlad Yasevich } 85078851988SVlad Yasevich 8512796d0c6SVlad Yasevich static inline int br_vlan_enabled(struct net_bridge *br) 8522796d0c6SVlad Yasevich { 8532796d0c6SVlad Yasevich return br->vlan_enabled; 8542796d0c6SVlad Yasevich } 855243a2e63SVlad Yasevich #else 85677751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 85777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 8582594e906SNikolay Aleksandrov struct sk_buff *skb, 8592594e906SNikolay Aleksandrov u16 *vid) 8602594e906SNikolay Aleksandrov { 8612594e906SNikolay Aleksandrov return true; 8622594e906SNikolay Aleksandrov } 8632594e906SNikolay Aleksandrov 8642594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 86585f46c6bSVlad Yasevich const struct sk_buff *skb) 86685f46c6bSVlad Yasevich { 86785f46c6bSVlad Yasevich return true; 86885f46c6bSVlad Yasevich } 86985f46c6bSVlad Yasevich 870e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 871e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 872e0d7968aSToshiaki Makita { 873e0d7968aSToshiaki Makita return true; 874e0d7968aSToshiaki Makita } 875e0d7968aSToshiaki Makita 87678851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 8772594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 87878851988SVlad Yasevich struct sk_buff *skb) 87978851988SVlad Yasevich { 88078851988SVlad Yasevich return skb; 88178851988SVlad Yasevich } 88278851988SVlad Yasevich 883552406c4SVlad Yasevich static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) 884243a2e63SVlad Yasevich { 885243a2e63SVlad Yasevich return -EOPNOTSUPP; 886243a2e63SVlad Yasevich } 887243a2e63SVlad Yasevich 888243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 889243a2e63SVlad Yasevich { 890243a2e63SVlad Yasevich return -EOPNOTSUPP; 891243a2e63SVlad Yasevich } 892243a2e63SVlad Yasevich 893243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 894243a2e63SVlad Yasevich { 895243a2e63SVlad Yasevich } 896243a2e63SVlad Yasevich 897204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 898204177f3SToshiaki Makita { 899204177f3SToshiaki Makita } 900204177f3SToshiaki Makita 9015be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 9028580e211SToshiaki Makita { 9035be5a2dfSVlad Yasevich return 0; 9048580e211SToshiaki Makita } 9058580e211SToshiaki Makita 906552406c4SVlad Yasevich static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) 907243a2e63SVlad Yasevich { 908243a2e63SVlad Yasevich return -EOPNOTSUPP; 909243a2e63SVlad Yasevich } 910243a2e63SVlad Yasevich 911243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 912243a2e63SVlad Yasevich { 913243a2e63SVlad Yasevich return -EOPNOTSUPP; 914243a2e63SVlad Yasevich } 915243a2e63SVlad Yasevich 916243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 917243a2e63SVlad Yasevich { 918243a2e63SVlad Yasevich } 919243a2e63SVlad Yasevich 9202594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 9212594e906SNikolay Aleksandrov u16 vid) 922a37b85c9SVlad Yasevich { 923a37b85c9SVlad Yasevich return NULL; 924a37b85c9SVlad Yasevich } 925bc9a25d2SVlad Yasevich 9265be5a2dfSVlad Yasevich static inline int nbp_vlan_init(struct net_bridge_port *port) 9275be5a2dfSVlad Yasevich { 9285be5a2dfSVlad Yasevich return 0; 9295be5a2dfSVlad Yasevich } 9305be5a2dfSVlad Yasevich 93178851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 932a37b85c9SVlad Yasevich { 933a37b85c9SVlad Yasevich return 0; 934a37b85c9SVlad Yasevich } 9352594e906SNikolay Aleksandrov 93677751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 93778851988SVlad Yasevich { 9383df6bf45SVlad Yasevich return 0; 93978851988SVlad Yasevich } 9402796d0c6SVlad Yasevich 941d4f0e095SAlexei Starovoitov static inline int br_vlan_enabled(struct net_bridge *br) 9422796d0c6SVlad Yasevich { 9432796d0c6SVlad Yasevich return 0; 9442796d0c6SVlad Yasevich } 945a7854037SNikolay Aleksandrov 946a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 947a7854037SNikolay Aleksandrov unsigned long val) 948a7854037SNikolay Aleksandrov { 949a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 950a7854037SNikolay Aleksandrov } 9512594e906SNikolay Aleksandrov 9522594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 9532594e906SNikolay Aleksandrov u32 filter_mask) 9542594e906SNikolay Aleksandrov { 9552594e906SNikolay Aleksandrov return 0; 9562594e906SNikolay Aleksandrov } 9572594e906SNikolay Aleksandrov 9582594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 9592594e906SNikolay Aleksandrov const struct net_bridge *br) 9602594e906SNikolay Aleksandrov { 9612594e906SNikolay Aleksandrov return NULL; 9622594e906SNikolay Aleksandrov } 9632594e906SNikolay Aleksandrov 9642594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 9652594e906SNikolay Aleksandrov const struct net_bridge_port *p) 9662594e906SNikolay Aleksandrov { 9672594e906SNikolay Aleksandrov return NULL; 9682594e906SNikolay Aleksandrov } 969907b1e6eSNikolay Aleksandrov 970907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 971907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 972907b1e6eSNikolay Aleksandrov { 973907b1e6eSNikolay Aleksandrov return NULL; 974907b1e6eSNikolay Aleksandrov } 975907b1e6eSNikolay Aleksandrov 976907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 977907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 978907b1e6eSNikolay Aleksandrov { 979907b1e6eSNikolay Aleksandrov return NULL; 980907b1e6eSNikolay Aleksandrov } 981a60c0903SNikolay Aleksandrov 982a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 983a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 984a60c0903SNikolay Aleksandrov { 985a60c0903SNikolay Aleksandrov } 986243a2e63SVlad Yasevich #endif 987243a2e63SVlad Yasevich 9881a4ba64dSPablo Neira Ayuso struct nf_br_ops { 9891a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 9901a4ba64dSPablo Neira Ayuso }; 9911a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 9921a4ba64dSPablo Neira Ayuso 9931da177e4SLinus Torvalds /* br_netfilter.c */ 99434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 99534666d46SPablo Neira Ayuso int br_nf_core_init(void); 99634666d46SPablo Neira Ayuso void br_nf_core_fini(void); 997348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 998c0909713SStephen Hemminger #else 99934666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 100034666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 10014adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1002c0909713SStephen Hemminger #endif 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvalds /* br_stp.c */ 1005775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1006348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1007348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1008348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 10091da177e4SLinus Torvalds 1010348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1011348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1012348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1013348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 101482dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 10159e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 101614f98f25Sstephen hemminger 101714f98f25Sstephen hemminger 10181da177e4SLinus Torvalds /* br_stp_if.c */ 1019348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1020348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1021348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 1022348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1023348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1024348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1025348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1026348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1027348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1028348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1029348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 10301da177e4SLinus Torvalds 10311da177e4SLinus Torvalds /* br_stp_bpdu.c */ 10327c85fbf0SPatrick McHardy struct stp_proto; 1033348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 10347c85fbf0SPatrick McHardy struct net_device *dev); 10351da177e4SLinus Torvalds 10361da177e4SLinus Torvalds /* br_stp_timer.c */ 1037348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1038348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1039348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds /* br.c */ 1042e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1043da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1044da678292SMichał Mirosław #endif 10451da177e4SLinus Torvalds 104611dc1f36SStephen Hemminger /* br_netlink.c */ 1047149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1048348662a1SJoe Perches int br_netlink_init(void); 1049348662a1SJoe Perches void br_netlink_fini(void); 1050348662a1SJoe Perches void br_ifinfo_notify(int event, struct net_bridge_port *port); 1051add511b3SRoopa Prabhu int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1052add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1053348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 105446c264daSNicolas Dichtel u32 filter_mask, int nlflags); 105511dc1f36SStephen Hemminger 10561da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 10571da177e4SLinus Torvalds /* br_sysfs_if.c */ 105852cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1059348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1060348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 10611da177e4SLinus Torvalds 10621da177e4SLinus Torvalds /* br_sysfs_br.c */ 1063348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1064348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 10651da177e4SLinus Torvalds 10661da177e4SLinus Torvalds #else 10671da177e4SLinus Torvalds 10680cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 10690cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 10700cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 10710cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 10721da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 10731da177e4SLinus Torvalds 10746bc506b4SIdo Schimmel /* br_switchdev.c */ 10756bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 10766bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 10776bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10786bc506b4SIdo Schimmel struct sk_buff *skb); 10796bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10806bc506b4SIdo Schimmel const struct sk_buff *skb); 10816bc506b4SIdo Schimmel #else 10826bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 10836bc506b4SIdo Schimmel { 10846bc506b4SIdo Schimmel return 0; 10856bc506b4SIdo Schimmel } 10866bc506b4SIdo Schimmel 10876bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10886bc506b4SIdo Schimmel struct sk_buff *skb) 10896bc506b4SIdo Schimmel { 10906bc506b4SIdo Schimmel } 10916bc506b4SIdo Schimmel 10926bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10936bc506b4SIdo Schimmel const struct sk_buff *skb) 10946bc506b4SIdo Schimmel { 10956bc506b4SIdo Schimmel return true; 10966bc506b4SIdo Schimmel } 10976bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 10986bc506b4SIdo Schimmel 10991da177e4SLinus Torvalds #endif 1100