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 942594e906SNikolay Aleksandrov /** 952594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 962594e906SNikolay Aleksandrov * 972594e906SNikolay Aleksandrov * @vnode: rhashtable member 982594e906SNikolay Aleksandrov * @vid: VLAN id 992594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1006dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1012594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1022594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1032594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1042594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1052594e906SNikolay Aleksandrov * for this VLAN entry 1062594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1072594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1082594e906SNikolay Aleksandrov * 1092594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1102594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1112594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1122594e906SNikolay Aleksandrov * the entry flags that are set. 1132594e906SNikolay Aleksandrov */ 1142594e906SNikolay Aleksandrov struct net_bridge_vlan { 1152594e906SNikolay Aleksandrov struct rhash_head vnode; 1162594e906SNikolay Aleksandrov u16 vid; 1172594e906SNikolay Aleksandrov u16 flags; 1186dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 119243a2e63SVlad Yasevich union { 120243a2e63SVlad Yasevich struct net_bridge *br; 1212594e906SNikolay Aleksandrov struct net_bridge_port *port; 1222594e906SNikolay Aleksandrov }; 1232594e906SNikolay Aleksandrov union { 1242594e906SNikolay Aleksandrov atomic_t refcnt; 1252594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1262594e906SNikolay Aleksandrov }; 1272594e906SNikolay Aleksandrov struct list_head vlist; 1282594e906SNikolay Aleksandrov 129243a2e63SVlad Yasevich struct rcu_head rcu; 1302594e906SNikolay Aleksandrov }; 1312594e906SNikolay Aleksandrov 1322594e906SNikolay Aleksandrov /** 1332594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1342594e906SNikolay Aleksandrov * 1352594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1362594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1372594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 13877751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 1392594e906SNikolay Aleksandrov * 1402594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1412594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1422594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1432594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1442594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1452594e906SNikolay Aleksandrov */ 1462594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1472594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 1482594e906SNikolay Aleksandrov struct list_head vlan_list; 1496cbdceebSVlad Yasevich u16 num_vlans; 15077751ee8SNikolay Aleksandrov u16 pvid; 151243a2e63SVlad Yasevich }; 152243a2e63SVlad Yasevich 1531da177e4SLinus Torvalds struct net_bridge_fdb_entry 1541da177e4SLinus Torvalds { 1551da177e4SLinus Torvalds struct hlist_node hlist; 1561da177e4SLinus Torvalds struct net_bridge_port *dst; 1571da177e4SLinus Torvalds 1587cd8861aSstephen hemminger unsigned long updated; 1597cd8861aSstephen hemminger unsigned long used; 1601da177e4SLinus Torvalds mac_addr addr; 161b22fbf22SNikolay Aleksandrov __u16 vlan_id; 16293859b13SJiri Pirko unsigned char is_local:1, 16393859b13SJiri Pirko is_static:1, 164cf6b8e1eSScott Feldman added_by_user:1, 165cf6b8e1eSScott Feldman added_by_external_learn:1; 166b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 1671da177e4SLinus Torvalds }; 1681da177e4SLinus Torvalds 1699d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 1709d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 1719d06b6d8SElad Raz 172eb1d1641SHerbert Xu struct net_bridge_port_group { 173eb1d1641SHerbert Xu struct net_bridge_port *port; 174e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 175eb1d1641SHerbert Xu struct hlist_node mglist; 176eb1d1641SHerbert Xu struct rcu_head rcu; 177eb1d1641SHerbert Xu struct timer_list timer; 1788ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1799d06b6d8SElad Raz unsigned char flags; 1806db6f0eaSFelix Fietkau unsigned char eth_addr[ETH_ALEN]; 181eb1d1641SHerbert Xu }; 182eb1d1641SHerbert Xu 183eb1d1641SHerbert Xu struct net_bridge_mdb_entry 184eb1d1641SHerbert Xu { 185eb1d1641SHerbert Xu struct hlist_node hlist[2]; 186eb1d1641SHerbert Xu struct net_bridge *br; 187e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 188eb1d1641SHerbert Xu struct rcu_head rcu; 189eb1d1641SHerbert Xu struct timer_list timer; 1908ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1918a870178SHerbert Xu bool mglist; 192eb1d1641SHerbert Xu }; 193eb1d1641SHerbert Xu 194eb1d1641SHerbert Xu struct net_bridge_mdb_htable 195eb1d1641SHerbert Xu { 196eb1d1641SHerbert Xu struct hlist_head *mhash; 197eb1d1641SHerbert Xu struct rcu_head rcu; 198eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 199eb1d1641SHerbert Xu u32 size; 200eb1d1641SHerbert Xu u32 max; 201eb1d1641SHerbert Xu u32 secret; 202eb1d1641SHerbert Xu u32 ver; 203eb1d1641SHerbert Xu }; 204eb1d1641SHerbert Xu 2051da177e4SLinus Torvalds struct net_bridge_port 2061da177e4SLinus Torvalds { 2071da177e4SLinus Torvalds struct net_bridge *br; 2081da177e4SLinus Torvalds struct net_device *dev; 2091da177e4SLinus Torvalds struct list_head list; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds /* STP */ 2121da177e4SLinus Torvalds u8 priority; 2131da177e4SLinus Torvalds u8 state; 2141da177e4SLinus Torvalds u16 port_no; 2151da177e4SLinus Torvalds unsigned char topology_change_ack; 2161da177e4SLinus Torvalds unsigned char config_pending; 2171da177e4SLinus Torvalds port_id port_id; 2181da177e4SLinus Torvalds port_id designated_port; 2191da177e4SLinus Torvalds bridge_id designated_root; 2201da177e4SLinus Torvalds bridge_id designated_bridge; 2211da177e4SLinus Torvalds u32 path_cost; 2221da177e4SLinus Torvalds u32 designated_cost; 2230c03150eSstephen hemminger unsigned long designated_age; 2241da177e4SLinus Torvalds 2251da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2261da177e4SLinus Torvalds struct timer_list hold_timer; 2271da177e4SLinus Torvalds struct timer_list message_age_timer; 2281da177e4SLinus Torvalds struct kobject kobj; 2291da177e4SLinus Torvalds struct rcu_head rcu; 2303982d3d2SFischer, Anna 2313982d3d2SFischer, Anna unsigned long flags; 232eb1d1641SHerbert Xu 233eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 23490010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 235cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 23690010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 237cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 238eb1d1641SHerbert Xu unsigned char multicast_router; 2391080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 240eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 241eb1d1641SHerbert Xu struct hlist_head mglist; 242eb1d1641SHerbert Xu struct hlist_node rlist; 243eb1d1641SHerbert Xu #endif 244e0f43752SSimon Arlott 245e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 246e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 247e0f43752SSimon Arlott #endif 24891d2c34aSHerbert Xu 24991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 25091d2c34aSHerbert Xu struct netpoll *np; 25191d2c34aSHerbert Xu #endif 252243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 253907b1e6eSNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 254243a2e63SVlad Yasevich #endif 2556bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2566bc506b4SIdo Schimmel int offload_fwd_mark; 2576bc506b4SIdo Schimmel #endif 2581da177e4SLinus Torvalds }; 2591da177e4SLinus Torvalds 260e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 261f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 262e028e4b8SVlad Yasevich 263f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 264f350a0a8SJiri Pirko 265b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 266b5ed54e9Sstephen hemminger { 267716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 268b5ed54e9Sstephen hemminger } 269b5ed54e9Sstephen hemminger 2701fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 271b5ed54e9Sstephen hemminger { 272ec1e5610SEric Dumazet return br_port_exists(dev) ? 273ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 274b5ed54e9Sstephen hemminger } 275b5ed54e9Sstephen hemminger 2761da177e4SLinus Torvalds struct net_bridge 2771da177e4SLinus Torvalds { 2781da177e4SLinus Torvalds spinlock_t lock; 2791da177e4SLinus Torvalds struct list_head port_list; 2801da177e4SLinus Torvalds struct net_device *dev; 28114bb4789Sstephen hemminger 2828f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 2831da177e4SLinus Torvalds spinlock_t hash_lock; 2841da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 28534666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 286efb6de9bSBernhard Thaler union { 2874adf0af6SSimon Wunderlich struct rtable fake_rtable; 288efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 289efb6de9bSBernhard Thaler }; 2904df53d8bSPatrick McHardy bool nf_call_iptables; 2914df53d8bSPatrick McHardy bool nf_call_ip6tables; 2924df53d8bSPatrick McHardy bool nf_call_arptables; 2934adf0af6SSimon Wunderlich #endif 294515853ccSstephen hemminger u16 group_fwd_mask; 295f2808d22SToshiaki Makita u16 group_fwd_mask_required; 296515853ccSstephen hemminger 2971da177e4SLinus Torvalds /* STP */ 2981da177e4SLinus Torvalds bridge_id designated_root; 2991da177e4SLinus Torvalds bridge_id bridge_id; 3001da177e4SLinus Torvalds u32 root_path_cost; 3011da177e4SLinus Torvalds unsigned long max_age; 3021da177e4SLinus Torvalds unsigned long hello_time; 3031da177e4SLinus Torvalds unsigned long forward_delay; 3041da177e4SLinus Torvalds unsigned long ageing_time; 30534d8acd8SVivien Didelot unsigned long bridge_max_age; 3061da177e4SLinus Torvalds unsigned long bridge_hello_time; 3071da177e4SLinus Torvalds unsigned long bridge_forward_delay; 30834d8acd8SVivien Didelot unsigned long bridge_ageing_time; 3091da177e4SLinus Torvalds 310fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 311204177f3SToshiaki Makita bool group_addr_set; 3121da177e4SLinus Torvalds u16 root_port; 3139cde0708SStephen Hemminger 3149cde0708SStephen Hemminger enum { 3159cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 3169cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 3179cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 3189cde0708SStephen Hemminger } stp_enabled; 3199cde0708SStephen Hemminger 3201da177e4SLinus Torvalds unsigned char topology_change; 3211da177e4SLinus Torvalds unsigned char topology_change_detected; 3221da177e4SLinus Torvalds 323eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 324eb1d1641SHerbert Xu unsigned char multicast_router; 325eb1d1641SHerbert Xu 326eb1d1641SHerbert Xu u8 multicast_disabled:1; 327c5c23260SHerbert Xu u8 multicast_querier:1; 3281c8ad5bfSCong Wang u8 multicast_query_use_ifaddr:1; 3290888d5f3Sdaniel u8 has_ipv6_addr:1; 3301080ab95SNikolay Aleksandrov u8 multicast_stats_enabled:1; 331eb1d1641SHerbert Xu 332eb1d1641SHerbert Xu u32 hash_elasticity; 333eb1d1641SHerbert Xu u32 hash_max; 334eb1d1641SHerbert Xu 335eb1d1641SHerbert Xu u32 multicast_last_member_count; 336eb1d1641SHerbert Xu u32 multicast_startup_query_count; 337eb1d1641SHerbert Xu 3385e923585SNikolay Aleksandrov u8 multicast_igmp_version; 3395e923585SNikolay Aleksandrov 340eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 341eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 342eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 343eb1d1641SHerbert Xu unsigned long multicast_query_interval; 344eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 345eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 346eb1d1641SHerbert Xu 347eb1d1641SHerbert Xu spinlock_t multicast_lock; 348e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 349eb1d1641SHerbert Xu struct hlist_head router_list; 350eb1d1641SHerbert Xu 351eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 35290010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 35390010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 354dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 3551080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 356cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 35790010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 35890010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 359dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 360aa2ae3e7SNikolay Aleksandrov u8 multicast_mld_version; 361cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 362eb1d1641SHerbert Xu #endif 363eb1d1641SHerbert Xu 3641da177e4SLinus Torvalds struct timer_list hello_timer; 3651da177e4SLinus Torvalds struct timer_list tcn_timer; 3661da177e4SLinus Torvalds struct timer_list topology_change_timer; 3671da177e4SLinus Torvalds struct timer_list gc_timer; 36843b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 369e028e4b8SVlad Yasevich u32 auto_cnt; 3706bc506b4SIdo Schimmel 3716bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3726bc506b4SIdo Schimmel int offload_fwd_mark; 3736bc506b4SIdo Schimmel #endif 3746bc506b4SIdo Schimmel 375243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 376907b1e6eSNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 377243a2e63SVlad Yasevich u8 vlan_enabled; 3786dada9b1SNikolay Aleksandrov u8 vlan_stats_enabled; 3798580e211SToshiaki Makita __be16 vlan_proto; 38096a20d9dSVlad Yasevich u16 default_pvid; 381243a2e63SVlad Yasevich #endif 3821da177e4SLinus Torvalds }; 3831da177e4SLinus Torvalds 38468b7c895SHerbert Xu struct br_input_skb_cb { 38568b7c895SHerbert Xu struct net_device *brdev; 38693fdd47eSHerbert Xu 38732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 388eb1d1641SHerbert Xu int igmp; 389eb1d1641SHerbert Xu int mrouters_only; 39032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 39193fdd47eSHerbert Xu 392842a9ae0SJouni Malinen bool proxyarp_replied; 39393fdd47eSHerbert Xu 39420adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 39520adfa1aSVlad Yasevich bool vlan_filtered; 39620adfa1aSVlad Yasevich #endif 3976bc506b4SIdo Schimmel 3986bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3996bc506b4SIdo Schimmel int offload_fwd_mark; 4006bc506b4SIdo Schimmel #endif 40168b7c895SHerbert Xu }; 40268b7c895SHerbert Xu 40368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 40468b7c895SHerbert Xu 40532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 40632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 40732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 40832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 40932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 41032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 41128a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 41228a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 41328a16c97Sstephen hemminger 41428a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 41528a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 41628a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 41728a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 41828a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 41928a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 42028a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 42128a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 42228a16c97Sstephen hemminger 42328a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 42428a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 42528a16c97Sstephen hemminger 4261da177e4SLinus Torvalds /* called under bridge lock */ 4271da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4281da177e4SLinus Torvalds { 4291da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4301da177e4SLinus Torvalds } 4311da177e4SLinus Torvalds 4322594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4332594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4342594e906SNikolay Aleksandrov { 4352594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4362594e906SNikolay Aleksandrov } 4372594e906SNikolay Aleksandrov 4382594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4392594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4402594e906SNikolay Aleksandrov { 4412594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4422594e906SNikolay Aleksandrov } 4432594e906SNikolay Aleksandrov 4446be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 4452594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 4462594e906SNikolay Aleksandrov { 4472594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 4482594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 4492594e906SNikolay Aleksandrov return true; 4502594e906SNikolay Aleksandrov else 4512594e906SNikolay Aleksandrov return false; 4522594e906SNikolay Aleksandrov } 4532594e906SNikolay Aleksandrov 4542594e906SNikolay Aleksandrov return true; 4552594e906SNikolay Aleksandrov } 4562594e906SNikolay Aleksandrov 4571da177e4SLinus Torvalds /* br_device.c */ 458348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 459348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 460348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 461cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 46291d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 46391d2c34aSHerbert Xu struct sk_buff *skb) 46491d2c34aSHerbert Xu { 46591d2c34aSHerbert Xu struct netpoll *np = p->np; 46691d2c34aSHerbert Xu 46791d2c34aSHerbert Xu if (np) 46891d2c34aSHerbert Xu netpoll_send_skb(np, skb); 46991d2c34aSHerbert Xu } 47091d2c34aSHerbert Xu 471a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 472348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 47391d2c34aSHerbert Xu #else 4749f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 47591d2c34aSHerbert Xu struct sk_buff *skb) 47691d2c34aSHerbert Xu { 47791d2c34aSHerbert Xu } 47891d2c34aSHerbert Xu 479a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 48091d2c34aSHerbert Xu { 48191d2c34aSHerbert Xu return 0; 48291d2c34aSHerbert Xu } 48391d2c34aSHerbert Xu 48491d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 48591d2c34aSHerbert Xu { 48691d2c34aSHerbert Xu } 487cfb478daSstephen hemminger #endif 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvalds /* br_fdb.c */ 490348662a1SJoe Perches int br_fdb_init(void); 491348662a1SJoe Perches void br_fdb_fini(void); 492348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 493424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 494424bb9c9SToshiaki Makita const struct net_bridge_port *p, 495424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 496348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 497348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 498348662a1SJoe Perches void br_fdb_cleanup(unsigned long arg); 499348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 5001ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 501348662a1SJoe Perches struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 502348662a1SJoe Perches const unsigned char *addr, __u16 vid); 503348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 504348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 505348662a1SJoe Perches unsigned long off); 506348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 507348662a1SJoe Perches const unsigned char *addr, u16 vid); 508348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 509a5642ab4SToshiaki Makita const unsigned char *addr, u16 vid, bool added_by_user); 51077162022SJohn Fastabend 511348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 512f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 513348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 514f6f6424bSJiri Pirko const unsigned char *addr, u16 vid, u16 nlh_flags); 515348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 516d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 5178db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 5188db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 5193aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 5203aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5213aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 5223aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds /* br_forward.c */ 5258addd5e7SNikolay Aleksandrov enum br_pkt_type { 5268addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 5278addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 5288addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 5298addd5e7SNikolay Aleksandrov }; 5300c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 531b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 53237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 5330c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 53437b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 5358addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds /* br_if.c */ 538348662a1SJoe Perches void br_port_carrier_check(struct net_bridge_port *p); 539348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 540348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 541348662a1SJoe Perches int br_add_if(struct net_bridge *br, struct net_device *dev); 542348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 543348662a1SJoe Perches int br_min_mtu(const struct net_bridge *br); 544348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 545c8f44affSMichał Mirosław netdev_features_t features); 546e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 5472796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 5481da177e4SLinus Torvalds 5491da177e4SLinus Torvalds /* br_input.c */ 5500c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 551348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 5521da177e4SLinus Torvalds 553859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 554859828c0SJiri Pirko { 555859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 556859828c0SJiri Pirko } 557859828c0SJiri Pirko 558859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 559859828c0SJiri Pirko { 560859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 561859828c0SJiri Pirko } 562859828c0SJiri Pirko 5631da177e4SLinus Torvalds /* br_ioctl.c */ 564348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 565348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 566348662a1SJoe Perches void __user *arg); 5671da177e4SLinus Torvalds 568eb1d1641SHerbert Xu /* br_multicast.c */ 569eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 5702ce297fcSCong Wang extern unsigned int br_mdb_rehash_seq; 571348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 572fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 573348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 574eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 5751080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 576348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 577348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 578348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 579348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 580348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 581348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 582e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 58337b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 58437b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 585348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 586348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 587348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 588348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 589348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 5905e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 591aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 592aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 593aa2ae3e7SNikolay Aleksandrov #endif 594348662a1SJoe Perches struct net_bridge_mdb_entry * 595348662a1SJoe Perches br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); 596348662a1SJoe Perches struct net_bridge_mdb_entry * 597348662a1SJoe Perches br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, 598348662a1SJoe Perches struct br_ip *group); 599348662a1SJoe Perches void br_multicast_free_pg(struct rcu_head *head); 600348662a1SJoe Perches struct net_bridge_port_group * 601348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 602762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 6036db6f0eaSFelix Fietkau unsigned char flags, const unsigned char *src); 604348662a1SJoe Perches void br_mdb_init(void); 605348662a1SJoe Perches void br_mdb_uninit(void); 60645ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 60745ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 608949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 609949f1e39SSatish Ashok int type); 6101080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 611a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 6121080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 6131080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 6141080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 6151080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 61685b35269SSridhar Samudrala 617cfd56754SCong Wang #define mlock_dereference(X, br) \ 618cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 619cfd56754SCong Wang 62085b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 62185b35269SSridhar Samudrala { 62285b35269SSridhar Samudrala return br->multicast_router == 2 || 62385b35269SSridhar Samudrala (br->multicast_router == 1 && 62485b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 62585b35269SSridhar Samudrala } 626b00589afSLinus Lüssing 627cc0fdd80SLinus Lüssing static inline bool 628cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 6290888d5f3Sdaniel struct bridge_mcast_other_query *querier, 6300888d5f3Sdaniel const bool is_ipv6) 631b00589afSLinus Lüssing { 6320888d5f3Sdaniel bool own_querier_enabled; 6330888d5f3Sdaniel 6340888d5f3Sdaniel if (br->multicast_querier) { 6350888d5f3Sdaniel if (is_ipv6 && !br->has_ipv6_addr) 6360888d5f3Sdaniel own_querier_enabled = false; 6370888d5f3Sdaniel else 6380888d5f3Sdaniel own_querier_enabled = true; 6390888d5f3Sdaniel } else { 6400888d5f3Sdaniel own_querier_enabled = false; 6410888d5f3Sdaniel } 6420888d5f3Sdaniel 643cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 6440888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 645cc0fdd80SLinus Lüssing } 646cc0fdd80SLinus Lüssing 647cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 648cc0fdd80SLinus Lüssing struct ethhdr *eth) 649cc0fdd80SLinus Lüssing { 650cc0fdd80SLinus Lüssing switch (eth->h_proto) { 651cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 6520888d5f3Sdaniel return __br_multicast_querier_exists(br, 6530888d5f3Sdaniel &br->ip4_other_query, false); 654cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 655cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 6560888d5f3Sdaniel return __br_multicast_querier_exists(br, 6570888d5f3Sdaniel &br->ip6_other_query, true); 658cc0fdd80SLinus Lüssing #endif 659cc0fdd80SLinus Lüssing default: 660cc0fdd80SLinus Lüssing return false; 661cc0fdd80SLinus Lüssing } 662b00589afSLinus Lüssing } 6631080ab95SNikolay Aleksandrov 6641080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 6651080ab95SNikolay Aleksandrov { 6661080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 6671080ab95SNikolay Aleksandrov } 668eb1d1641SHerbert Xu #else 669eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 670eb1d1641SHerbert Xu struct net_bridge_port *port, 67106499098SVlad Yasevich struct sk_buff *skb, 67206499098SVlad Yasevich u16 vid) 673eb1d1641SHerbert Xu { 674eb1d1641SHerbert Xu return 0; 675eb1d1641SHerbert Xu } 676eb1d1641SHerbert Xu 677eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 678fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 679eb1d1641SHerbert Xu { 680eb1d1641SHerbert Xu return NULL; 681eb1d1641SHerbert Xu } 682eb1d1641SHerbert Xu 6831080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 684eb1d1641SHerbert Xu { 6851080ab95SNikolay Aleksandrov return 0; 686eb1d1641SHerbert Xu } 687eb1d1641SHerbert Xu 688eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 689eb1d1641SHerbert Xu { 690eb1d1641SHerbert Xu } 691eb1d1641SHerbert Xu 692eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 693eb1d1641SHerbert Xu { 694eb1d1641SHerbert Xu } 695eb1d1641SHerbert Xu 696eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 697eb1d1641SHerbert Xu { 698eb1d1641SHerbert Xu } 699eb1d1641SHerbert Xu 700eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 701eb1d1641SHerbert Xu { 702eb1d1641SHerbert Xu } 703eb1d1641SHerbert Xu 704eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 705eb1d1641SHerbert Xu { 706eb1d1641SHerbert Xu } 707eb1d1641SHerbert Xu 708eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 709eb1d1641SHerbert Xu { 710eb1d1641SHerbert Xu } 7115cb5e947SHerbert Xu 712a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 713a7ce45a7SNikolay Aleksandrov { 714a7ce45a7SNikolay Aleksandrov } 715a7ce45a7SNikolay Aleksandrov 71637b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 71737b090e6SNikolay Aleksandrov struct sk_buff *skb, 71837b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 7195cb5e947SHerbert Xu { 7205cb5e947SHerbert Xu } 7215cb5e947SHerbert Xu 722eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 723eb1d1641SHerbert Xu { 72485b35269SSridhar Samudrala return 0; 725eb1d1641SHerbert Xu } 72637b090e6SNikolay Aleksandrov 727cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 728cc0fdd80SLinus Lüssing struct ethhdr *eth) 729b00589afSLinus Lüssing { 730b00589afSLinus Lüssing return false; 731b00589afSLinus Lüssing } 73237b090e6SNikolay Aleksandrov 733fdb184d1SRami Rosen static inline void br_mdb_init(void) 734fdb184d1SRami Rosen { 735fdb184d1SRami Rosen } 73637b090e6SNikolay Aleksandrov 737fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 738fdb184d1SRami Rosen { 739fdb184d1SRami Rosen } 7401080ab95SNikolay Aleksandrov 7411080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 7421080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 743a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 744a65056ecSNikolay Aleksandrov u8 type, u8 dir) 7451080ab95SNikolay Aleksandrov { 7461080ab95SNikolay Aleksandrov } 7471080ab95SNikolay Aleksandrov 7481080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 7491080ab95SNikolay Aleksandrov { 7501080ab95SNikolay Aleksandrov return 0; 7511080ab95SNikolay Aleksandrov } 7521080ab95SNikolay Aleksandrov 7531080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 7541080ab95SNikolay Aleksandrov { 7551080ab95SNikolay Aleksandrov return 0; 7561080ab95SNikolay Aleksandrov } 75785b35269SSridhar Samudrala #endif 758eb1d1641SHerbert Xu 759243a2e63SVlad Yasevich /* br_vlan.c */ 760243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 76177751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 76277751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 7632594e906SNikolay Aleksandrov u16 *vid); 76477751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 76585f46c6bSVlad Yasevich const struct sk_buff *skb); 766e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 767348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 7682594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 76978851988SVlad Yasevich struct sk_buff *skb); 770348662a1SJoe Perches int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); 771348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 772348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 7732594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 774204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 775a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 776348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 777d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 778204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 7796dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 7805be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 78196a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 7820f963b75SNikolay Aleksandrov int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); 783348662a1SJoe Perches int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); 784348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 785348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 7865be5a2dfSVlad Yasevich int nbp_vlan_init(struct net_bridge_port *port); 7872594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 788a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 789a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 790a37b85c9SVlad Yasevich 7912594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 792a37b85c9SVlad Yasevich const struct net_bridge *br) 793a37b85c9SVlad Yasevich { 794907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 795a37b85c9SVlad Yasevich } 796a37b85c9SVlad Yasevich 7972594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 798a37b85c9SVlad Yasevich const struct net_bridge_port *p) 799a37b85c9SVlad Yasevich { 800907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 801907b1e6eSNikolay Aleksandrov } 802907b1e6eSNikolay Aleksandrov 803907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 804907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 805907b1e6eSNikolay Aleksandrov { 806907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 807907b1e6eSNikolay Aleksandrov } 808907b1e6eSNikolay Aleksandrov 809907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 810907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 811907b1e6eSNikolay Aleksandrov { 812907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 813a37b85c9SVlad Yasevich } 814a37b85c9SVlad Yasevich 815a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 816a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 817a37b85c9SVlad Yasevich */ 818a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 819a37b85c9SVlad Yasevich { 820a37b85c9SVlad Yasevich int err = 0; 821a37b85c9SVlad Yasevich 8222594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 823df8a39deSJiri Pirko *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; 8242594e906SNikolay Aleksandrov } else { 825a37b85c9SVlad Yasevich *vid = 0; 826a37b85c9SVlad Yasevich err = -EINVAL; 827a37b85c9SVlad Yasevich } 828a37b85c9SVlad Yasevich 829a37b85c9SVlad Yasevich return err; 830a37b85c9SVlad Yasevich } 83178851988SVlad Yasevich 83277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 83378851988SVlad Yasevich { 83477751ee8SNikolay Aleksandrov if (!vg) 8355be5a2dfSVlad Yasevich return 0; 8365be5a2dfSVlad Yasevich 83778851988SVlad Yasevich smp_rmb(); 83877751ee8SNikolay Aleksandrov return vg->pvid; 83978851988SVlad Yasevich } 84078851988SVlad Yasevich 8412796d0c6SVlad Yasevich static inline int br_vlan_enabled(struct net_bridge *br) 8422796d0c6SVlad Yasevich { 8432796d0c6SVlad Yasevich return br->vlan_enabled; 8442796d0c6SVlad Yasevich } 845243a2e63SVlad Yasevich #else 84677751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 84777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 8482594e906SNikolay Aleksandrov struct sk_buff *skb, 8492594e906SNikolay Aleksandrov u16 *vid) 8502594e906SNikolay Aleksandrov { 8512594e906SNikolay Aleksandrov return true; 8522594e906SNikolay Aleksandrov } 8532594e906SNikolay Aleksandrov 8542594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 85585f46c6bSVlad Yasevich const struct sk_buff *skb) 85685f46c6bSVlad Yasevich { 85785f46c6bSVlad Yasevich return true; 85885f46c6bSVlad Yasevich } 85985f46c6bSVlad Yasevich 860e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 861e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 862e0d7968aSToshiaki Makita { 863e0d7968aSToshiaki Makita return true; 864e0d7968aSToshiaki Makita } 865e0d7968aSToshiaki Makita 86678851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 8672594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 86878851988SVlad Yasevich struct sk_buff *skb) 86978851988SVlad Yasevich { 87078851988SVlad Yasevich return skb; 87178851988SVlad Yasevich } 87278851988SVlad Yasevich 873552406c4SVlad Yasevich static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) 874243a2e63SVlad Yasevich { 875243a2e63SVlad Yasevich return -EOPNOTSUPP; 876243a2e63SVlad Yasevich } 877243a2e63SVlad Yasevich 878243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 879243a2e63SVlad Yasevich { 880243a2e63SVlad Yasevich return -EOPNOTSUPP; 881243a2e63SVlad Yasevich } 882243a2e63SVlad Yasevich 883243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 884243a2e63SVlad Yasevich { 885243a2e63SVlad Yasevich } 886243a2e63SVlad Yasevich 887204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 888204177f3SToshiaki Makita { 889204177f3SToshiaki Makita } 890204177f3SToshiaki Makita 8915be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 8928580e211SToshiaki Makita { 8935be5a2dfSVlad Yasevich return 0; 8948580e211SToshiaki Makita } 8958580e211SToshiaki Makita 896552406c4SVlad Yasevich static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) 897243a2e63SVlad Yasevich { 898243a2e63SVlad Yasevich return -EOPNOTSUPP; 899243a2e63SVlad Yasevich } 900243a2e63SVlad Yasevich 901243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 902243a2e63SVlad Yasevich { 903243a2e63SVlad Yasevich return -EOPNOTSUPP; 904243a2e63SVlad Yasevich } 905243a2e63SVlad Yasevich 906243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 907243a2e63SVlad Yasevich { 908243a2e63SVlad Yasevich } 909243a2e63SVlad Yasevich 9102594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 9112594e906SNikolay Aleksandrov u16 vid) 912a37b85c9SVlad Yasevich { 913a37b85c9SVlad Yasevich return NULL; 914a37b85c9SVlad Yasevich } 915bc9a25d2SVlad Yasevich 9165be5a2dfSVlad Yasevich static inline int nbp_vlan_init(struct net_bridge_port *port) 9175be5a2dfSVlad Yasevich { 9185be5a2dfSVlad Yasevich return 0; 9195be5a2dfSVlad Yasevich } 9205be5a2dfSVlad Yasevich 92178851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 922a37b85c9SVlad Yasevich { 923a37b85c9SVlad Yasevich return 0; 924a37b85c9SVlad Yasevich } 9252594e906SNikolay Aleksandrov 92677751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 92778851988SVlad Yasevich { 9283df6bf45SVlad Yasevich return 0; 92978851988SVlad Yasevich } 9302796d0c6SVlad Yasevich 931d4f0e095SAlexei Starovoitov static inline int br_vlan_enabled(struct net_bridge *br) 9322796d0c6SVlad Yasevich { 9332796d0c6SVlad Yasevich return 0; 9342796d0c6SVlad Yasevich } 935a7854037SNikolay Aleksandrov 936a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 937a7854037SNikolay Aleksandrov unsigned long val) 938a7854037SNikolay Aleksandrov { 939a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 940a7854037SNikolay Aleksandrov } 9412594e906SNikolay Aleksandrov 9422594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 9432594e906SNikolay Aleksandrov u32 filter_mask) 9442594e906SNikolay Aleksandrov { 9452594e906SNikolay Aleksandrov return 0; 9462594e906SNikolay Aleksandrov } 9472594e906SNikolay Aleksandrov 9482594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 9492594e906SNikolay Aleksandrov const struct net_bridge *br) 9502594e906SNikolay Aleksandrov { 9512594e906SNikolay Aleksandrov return NULL; 9522594e906SNikolay Aleksandrov } 9532594e906SNikolay Aleksandrov 9542594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 9552594e906SNikolay Aleksandrov const struct net_bridge_port *p) 9562594e906SNikolay Aleksandrov { 9572594e906SNikolay Aleksandrov return NULL; 9582594e906SNikolay Aleksandrov } 959907b1e6eSNikolay Aleksandrov 960907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 961907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 962907b1e6eSNikolay Aleksandrov { 963907b1e6eSNikolay Aleksandrov return NULL; 964907b1e6eSNikolay Aleksandrov } 965907b1e6eSNikolay Aleksandrov 966907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 967907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 968907b1e6eSNikolay Aleksandrov { 969907b1e6eSNikolay Aleksandrov return NULL; 970907b1e6eSNikolay Aleksandrov } 971a60c0903SNikolay Aleksandrov 972a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 973a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 974a60c0903SNikolay Aleksandrov { 975a60c0903SNikolay Aleksandrov } 976243a2e63SVlad Yasevich #endif 977243a2e63SVlad Yasevich 9781a4ba64dSPablo Neira Ayuso struct nf_br_ops { 9791a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 9801a4ba64dSPablo Neira Ayuso }; 9811a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 9821a4ba64dSPablo Neira Ayuso 9831da177e4SLinus Torvalds /* br_netfilter.c */ 98434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 98534666d46SPablo Neira Ayuso int br_nf_core_init(void); 98634666d46SPablo Neira Ayuso void br_nf_core_fini(void); 987348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 988c0909713SStephen Hemminger #else 98934666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 99034666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 9914adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 992c0909713SStephen Hemminger #endif 9931da177e4SLinus Torvalds 9941da177e4SLinus Torvalds /* br_stp.c */ 995775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 996348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 997348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 998348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 9991da177e4SLinus Torvalds 1000348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1001348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1002348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1003348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 100482dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 10059e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 100614f98f25Sstephen hemminger 100714f98f25Sstephen hemminger 10081da177e4SLinus Torvalds /* br_stp_if.c */ 1009348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1010348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1011348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 1012348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1013348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1014348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1015348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1016348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1017348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1018348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1019348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds /* br_stp_bpdu.c */ 10227c85fbf0SPatrick McHardy struct stp_proto; 1023348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 10247c85fbf0SPatrick McHardy struct net_device *dev); 10251da177e4SLinus Torvalds 10261da177e4SLinus Torvalds /* br_stp_timer.c */ 1027348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1028348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1029348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 10301da177e4SLinus Torvalds 10311da177e4SLinus Torvalds /* br.c */ 1032e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1033da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1034da678292SMichał Mirosław #endif 10351da177e4SLinus Torvalds 103611dc1f36SStephen Hemminger /* br_netlink.c */ 1037149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1038348662a1SJoe Perches int br_netlink_init(void); 1039348662a1SJoe Perches void br_netlink_fini(void); 1040348662a1SJoe Perches void br_ifinfo_notify(int event, struct net_bridge_port *port); 1041add511b3SRoopa Prabhu int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1042add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1043348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 104446c264daSNicolas Dichtel u32 filter_mask, int nlflags); 104511dc1f36SStephen Hemminger 10461da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 10471da177e4SLinus Torvalds /* br_sysfs_if.c */ 104852cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1049348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1050348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 10511da177e4SLinus Torvalds 10521da177e4SLinus Torvalds /* br_sysfs_br.c */ 1053348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1054348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 10551da177e4SLinus Torvalds 10561da177e4SLinus Torvalds #else 10571da177e4SLinus Torvalds 10580cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 10590cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 10600cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 10610cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 10621da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 10631da177e4SLinus Torvalds 10646bc506b4SIdo Schimmel /* br_switchdev.c */ 10656bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 10666bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 10676bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10686bc506b4SIdo Schimmel struct sk_buff *skb); 10696bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10706bc506b4SIdo Schimmel const struct sk_buff *skb); 10716bc506b4SIdo Schimmel #else 10726bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 10736bc506b4SIdo Schimmel { 10746bc506b4SIdo Schimmel return 0; 10756bc506b4SIdo Schimmel } 10766bc506b4SIdo Schimmel 10776bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10786bc506b4SIdo Schimmel struct sk_buff *skb) 10796bc506b4SIdo Schimmel { 10806bc506b4SIdo Schimmel } 10816bc506b4SIdo Schimmel 10826bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10836bc506b4SIdo Schimmel const struct sk_buff *skb) 10846bc506b4SIdo Schimmel { 10856bc506b4SIdo Schimmel return true; 10866bc506b4SIdo Schimmel } 10876bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 10886bc506b4SIdo Schimmel 10891da177e4SLinus Torvalds #endif 1090