12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 31d08c6bc0SNikolay Aleksandrov 329cde0708SStephen Hemminger #define BR_VERSION "2.3" 339cde0708SStephen Hemminger 34515853ccSstephen hemminger /* Control of forwarding link local multicast */ 35515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 36784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 375af48b59SNikolay Aleksandrov enum { 385af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 395af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 405af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 415af48b59SNikolay Aleksandrov }; 425af48b59SNikolay Aleksandrov 435af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 45f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 46f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 47515853ccSstephen hemminger 489cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 499cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 508cbb512eSStephen Hemminger 5131cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5231cbc39bSNikolay Aleksandrov 531da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 541da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 551da177e4SLinus Torvalds typedef __u16 port_id; 561da177e4SLinus Torvalds 571c1cb6d0SNikolay Aleksandrov struct bridge_id { 581da177e4SLinus Torvalds unsigned char prio[2]; 59e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 601da177e4SLinus Torvalds }; 611da177e4SLinus Torvalds 621c1cb6d0SNikolay Aleksandrov struct mac_addr { 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 66cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 67cc0fdd80SLinus Lüssing /* our own querier */ 6890010b36SLinus Lüssing struct bridge_mcast_own_query { 69cc0fdd80SLinus Lüssing struct timer_list timer; 70cc0fdd80SLinus Lüssing u32 startup_sent; 71cc0fdd80SLinus Lüssing }; 72cc0fdd80SLinus Lüssing 73cc0fdd80SLinus Lüssing /* other querier */ 7490010b36SLinus Lüssing struct bridge_mcast_other_query { 75cc0fdd80SLinus Lüssing struct timer_list timer; 76cc0fdd80SLinus Lüssing unsigned long delay_time; 77cc0fdd80SLinus Lüssing }; 78dc4eb53aSLinus Lüssing 79dc4eb53aSLinus Lüssing /* selected querier */ 80dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 81dc4eb53aSLinus Lüssing struct br_ip addr; 822cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 83dc4eb53aSLinus Lüssing }; 841080ab95SNikolay Aleksandrov 851080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 861080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 871080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 881080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 891080ab95SNikolay Aleksandrov }; 90cc0fdd80SLinus Lüssing #endif 91cc0fdd80SLinus Lüssing 926dada9b1SNikolay Aleksandrov struct br_vlan_stats { 936dada9b1SNikolay Aleksandrov u64 rx_bytes; 946dada9b1SNikolay Aleksandrov u64 rx_packets; 956dada9b1SNikolay Aleksandrov u64 tx_bytes; 966dada9b1SNikolay Aleksandrov u64 tx_packets; 976dada9b1SNikolay Aleksandrov struct u64_stats_sync syncp; 986dada9b1SNikolay Aleksandrov }; 996dada9b1SNikolay Aleksandrov 100efa5356bSRoopa Prabhu struct br_tunnel_info { 101efa5356bSRoopa Prabhu __be64 tunnel_id; 102efa5356bSRoopa Prabhu struct metadata_dst *tunnel_dst; 103efa5356bSRoopa Prabhu }; 104efa5356bSRoopa Prabhu 1059d332e69SNikolay Aleksandrov /* private vlan flags */ 1069d332e69SNikolay Aleksandrov enum { 1079d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 10827973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1099d332e69SNikolay Aleksandrov }; 1109d332e69SNikolay Aleksandrov 1112594e906SNikolay Aleksandrov /** 1122594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1132594e906SNikolay Aleksandrov * 1142594e906SNikolay Aleksandrov * @vnode: rhashtable member 1152594e906SNikolay Aleksandrov * @vid: VLAN id 1162594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1179d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 118a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1196dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1202594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1212594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1222594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1232594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1242594e906SNikolay Aleksandrov * for this VLAN entry 1252594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1262594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1272594e906SNikolay Aleksandrov * 1282594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1292594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1302594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1312594e906SNikolay Aleksandrov * the entry flags that are set. 1322594e906SNikolay Aleksandrov */ 1332594e906SNikolay Aleksandrov struct net_bridge_vlan { 1342594e906SNikolay Aleksandrov struct rhash_head vnode; 135efa5356bSRoopa Prabhu struct rhash_head tnode; 1362594e906SNikolay Aleksandrov u16 vid; 1372594e906SNikolay Aleksandrov u16 flags; 1389d332e69SNikolay Aleksandrov u16 priv_flags; 139a580c76dSNikolay Aleksandrov u8 state; 1406dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 141243a2e63SVlad Yasevich union { 142243a2e63SVlad Yasevich struct net_bridge *br; 1432594e906SNikolay Aleksandrov struct net_bridge_port *port; 1442594e906SNikolay Aleksandrov }; 1452594e906SNikolay Aleksandrov union { 14625127759SReshetova, Elena refcount_t refcnt; 1472594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1482594e906SNikolay Aleksandrov }; 149efa5356bSRoopa Prabhu 150efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 151efa5356bSRoopa Prabhu 1522594e906SNikolay Aleksandrov struct list_head vlist; 1532594e906SNikolay Aleksandrov 154243a2e63SVlad Yasevich struct rcu_head rcu; 1552594e906SNikolay Aleksandrov }; 1562594e906SNikolay Aleksandrov 1572594e906SNikolay Aleksandrov /** 1582594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1592594e906SNikolay Aleksandrov * 1602594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1612594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1622594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 16377751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 164a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 1652594e906SNikolay Aleksandrov * 1662594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1672594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1682594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1692594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1702594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1712594e906SNikolay Aleksandrov */ 1722594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1732594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 174efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 1752594e906SNikolay Aleksandrov struct list_head vlan_list; 1766cbdceebSVlad Yasevich u16 num_vlans; 17777751ee8SNikolay Aleksandrov u16 pvid; 178a580c76dSNikolay Aleksandrov u8 pvid_state; 179243a2e63SVlad Yasevich }; 180243a2e63SVlad Yasevich 1816869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 1826869c3b0SNikolay Aleksandrov enum { 1836869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 18429e63fffSNikolay Aleksandrov BR_FDB_STATIC, 185e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 186ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 187b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 188d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 18931cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 19031cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 1916869c3b0SNikolay Aleksandrov }; 1926869c3b0SNikolay Aleksandrov 193eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 194eb793583SNikolay Aleksandrov mac_addr addr; 195eb793583SNikolay Aleksandrov u16 vlan_id; 196eb793583SNikolay Aleksandrov }; 197eb793583SNikolay Aleksandrov 1981214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 199eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2001da177e4SLinus Torvalds struct net_bridge_port *dst; 2011da177e4SLinus Torvalds 202eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 203eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2046869c3b0SNikolay Aleksandrov unsigned long flags; 2051214628cSNikolay Aleksandrov 2061214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2071214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2081214628cSNikolay Aleksandrov unsigned long used; 2091214628cSNikolay Aleksandrov 210b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2111da177e4SLinus Torvalds }; 2121da177e4SLinus Torvalds 2139d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2149d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2153247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2169d06b6d8SElad Raz 2178b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2188b671779SNikolay Aleksandrov 2198b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2208b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 2218b671779SNikolay Aleksandrov 2228b671779SNikolay Aleksandrov struct net_bridge_group_src { 2238b671779SNikolay Aleksandrov struct hlist_node node; 2248b671779SNikolay Aleksandrov 2258b671779SNikolay Aleksandrov struct br_ip addr; 2268b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2278b671779SNikolay Aleksandrov u8 flags; 2288b671779SNikolay Aleksandrov struct timer_list timer; 2298b671779SNikolay Aleksandrov 2308b671779SNikolay Aleksandrov struct net_bridge *br; 2318b671779SNikolay Aleksandrov struct hlist_node del_node; 2328b671779SNikolay Aleksandrov struct rcu_head rcu; 2338b671779SNikolay Aleksandrov }; 2348b671779SNikolay Aleksandrov 235eb1d1641SHerbert Xu struct net_bridge_port_group { 236eb1d1641SHerbert Xu struct net_bridge_port *port; 237e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 2388ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 239206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 2409d06b6d8SElad Raz unsigned char flags; 2418b671779SNikolay Aleksandrov unsigned char filter_mode; 2426ec0d0eeSNikolay Aleksandrov 2438b671779SNikolay Aleksandrov struct hlist_head src_list; 2448b671779SNikolay Aleksandrov unsigned int src_ents; 2456ec0d0eeSNikolay Aleksandrov struct timer_list timer; 2466ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 2476ec0d0eeSNikolay Aleksandrov 2486ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 249eb1d1641SHerbert Xu }; 250eb1d1641SHerbert Xu 2511c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 25219e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 253eb1d1641SHerbert Xu struct net_bridge *br; 254e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 2558ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 256ff0fd34eSAndrew Lunn bool host_joined; 2576ec0d0eeSNikolay Aleksandrov 2586ec0d0eeSNikolay Aleksandrov struct timer_list timer; 25919e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 2606ec0d0eeSNikolay Aleksandrov 2616ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 262eb1d1641SHerbert Xu }; 263eb1d1641SHerbert Xu 2641f90c7f3SNikolay Aleksandrov struct net_bridge_port { 2651da177e4SLinus Torvalds struct net_bridge *br; 2661da177e4SLinus Torvalds struct net_device *dev; 2671da177e4SLinus Torvalds struct list_head list; 2681da177e4SLinus Torvalds 2691f90c7f3SNikolay Aleksandrov unsigned long flags; 2701f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 2711f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 2721f90c7f3SNikolay Aleksandrov #endif 2732756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 2741f90c7f3SNikolay Aleksandrov 2751da177e4SLinus Torvalds /* STP */ 2761da177e4SLinus Torvalds u8 priority; 2771da177e4SLinus Torvalds u8 state; 2781da177e4SLinus Torvalds u16 port_no; 2791da177e4SLinus Torvalds unsigned char topology_change_ack; 2801da177e4SLinus Torvalds unsigned char config_pending; 2811da177e4SLinus Torvalds port_id port_id; 2821da177e4SLinus Torvalds port_id designated_port; 2831da177e4SLinus Torvalds bridge_id designated_root; 2841da177e4SLinus Torvalds bridge_id designated_bridge; 2851da177e4SLinus Torvalds u32 path_cost; 2861da177e4SLinus Torvalds u32 designated_cost; 2870c03150eSstephen hemminger unsigned long designated_age; 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2901da177e4SLinus Torvalds struct timer_list hold_timer; 2911da177e4SLinus Torvalds struct timer_list message_age_timer; 2921da177e4SLinus Torvalds struct kobject kobj; 2931da177e4SLinus Torvalds struct rcu_head rcu; 2943982d3d2SFischer, Anna 295eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 29690010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 297cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 29890010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 299cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 300eb1d1641SHerbert Xu unsigned char multicast_router; 3011080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 302eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 303eb1d1641SHerbert Xu struct hlist_head mglist; 304eb1d1641SHerbert Xu struct hlist_node rlist; 305eb1d1641SHerbert Xu #endif 306e0f43752SSimon Arlott 307e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 308e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 309e0f43752SSimon Arlott #endif 31091d2c34aSHerbert Xu 31191d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 31291d2c34aSHerbert Xu struct netpoll *np; 31391d2c34aSHerbert Xu #endif 3146bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3156bc506b4SIdo Schimmel int offload_fwd_mark; 3166bc506b4SIdo Schimmel #endif 3175af48b59SNikolay Aleksandrov u16 group_fwd_mask; 3182756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 319de179966SVivien Didelot 320de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 3211da177e4SLinus Torvalds }; 3221da177e4SLinus Torvalds 323705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 324705e0deaSTyler Hicks 325e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 326f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 327e028e4b8SVlad Yasevich 328b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 329b5ed54e9Sstephen hemminger { 330716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 331b5ed54e9Sstephen hemminger } 332b5ed54e9Sstephen hemminger 3331fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 334b5ed54e9Sstephen hemminger { 33535f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 336ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 337b5ed54e9Sstephen hemminger } 338b5ed54e9Sstephen hemminger 3390baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 3400baa10ffSArkadi Sharshevsky { 34135f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 3420baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 3430baa10ffSArkadi Sharshevsky } 3440baa10ffSArkadi Sharshevsky 345ae75767eSNikolay Aleksandrov enum net_bridge_opts { 346ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 347ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 3488df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 3498df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 3508df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 351be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 35213cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 353675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 354675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 355675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 356675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 357c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 3583341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 3599163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 36070e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 3619c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 362ae75767eSNikolay Aleksandrov }; 363ae75767eSNikolay Aleksandrov 3641f90c7f3SNikolay Aleksandrov struct net_bridge { 3651da177e4SLinus Torvalds spinlock_t lock; 3661f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 3671da177e4SLinus Torvalds struct list_head port_list; 3681da177e4SLinus Torvalds struct net_device *dev; 3698f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 370ae75767eSNikolay Aleksandrov unsigned long options; 3711f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 3721f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3731f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 3741f90c7f3SNikolay Aleksandrov u16 default_pvid; 3751f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3761f90c7f3SNikolay Aleksandrov #endif 3771f90c7f3SNikolay Aleksandrov 378eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 37934666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 380efb6de9bSBernhard Thaler union { 3814adf0af6SSimon Wunderlich struct rtable fake_rtable; 382efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 383efb6de9bSBernhard Thaler }; 3844adf0af6SSimon Wunderlich #endif 385515853ccSstephen hemminger u16 group_fwd_mask; 386f2808d22SToshiaki Makita u16 group_fwd_mask_required; 387515853ccSstephen hemminger 3881da177e4SLinus Torvalds /* STP */ 3891da177e4SLinus Torvalds bridge_id designated_root; 3901da177e4SLinus Torvalds bridge_id bridge_id; 3911f90c7f3SNikolay Aleksandrov unsigned char topology_change; 3921f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 3931f90c7f3SNikolay Aleksandrov u16 root_port; 3941da177e4SLinus Torvalds unsigned long max_age; 3951da177e4SLinus Torvalds unsigned long hello_time; 3961da177e4SLinus Torvalds unsigned long forward_delay; 3971da177e4SLinus Torvalds unsigned long ageing_time; 39834d8acd8SVivien Didelot unsigned long bridge_max_age; 3991da177e4SLinus Torvalds unsigned long bridge_hello_time; 4001da177e4SLinus Torvalds unsigned long bridge_forward_delay; 40134d8acd8SVivien Didelot unsigned long bridge_ageing_time; 40235750b0bSNikolay Aleksandrov u32 root_path_cost; 4031da177e4SLinus Torvalds 404fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4059cde0708SStephen Hemminger 4069cde0708SStephen Hemminger enum { 4079cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4089cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4099cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4109cde0708SStephen Hemminger } stp_enabled; 4119cde0708SStephen Hemminger 412eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 413eb1d1641SHerbert Xu 414eb1d1641SHerbert Xu u32 hash_max; 415eb1d1641SHerbert Xu 416eb1d1641SHerbert Xu u32 multicast_last_member_count; 417eb1d1641SHerbert Xu u32 multicast_startup_query_count; 418eb1d1641SHerbert Xu 4195e923585SNikolay Aleksandrov u8 multicast_igmp_version; 420675779adSNikolay Aleksandrov u8 multicast_router; 421675779adSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 422675779adSNikolay Aleksandrov u8 multicast_mld_version; 423675779adSNikolay Aleksandrov #endif 42435750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 425eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 426eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 427eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 428eb1d1641SHerbert Xu unsigned long multicast_query_interval; 429eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 430eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 431eb1d1641SHerbert Xu 43219e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 43319e3a9c9SNikolay Aleksandrov 4348b671779SNikolay Aleksandrov struct hlist_head src_gc_list; 43519e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 436eb1d1641SHerbert Xu struct hlist_head router_list; 437eb1d1641SHerbert Xu 438eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 43990010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 44090010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 441dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 4421080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 443cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 44490010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 44590010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 446dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 447cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 4488b671779SNikolay Aleksandrov struct work_struct src_gc_work; 449eb1d1641SHerbert Xu #endif 450eb1d1641SHerbert Xu 4511da177e4SLinus Torvalds struct timer_list hello_timer; 4521da177e4SLinus Torvalds struct timer_list tcn_timer; 4531da177e4SLinus Torvalds struct timer_list topology_change_timer; 454f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 45543b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 456e028e4b8SVlad Yasevich u32 auto_cnt; 4576bc506b4SIdo Schimmel 4586bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4596bc506b4SIdo Schimmel int offload_fwd_mark; 4606bc506b4SIdo Schimmel #endif 461eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 4624b8d7d4cSHoratiu Vultur 4634b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 4649b14d1f8SHoratiu Vultur struct list_head mrp_list; 4654b8d7d4cSHoratiu Vultur #endif 4661da177e4SLinus Torvalds }; 4671da177e4SLinus Torvalds 46868b7c895SHerbert Xu struct br_input_skb_cb { 46968b7c895SHerbert Xu struct net_device *brdev; 47093fdd47eSHerbert Xu 4713c171f49SPablo Neira Ayuso u16 frag_max_size; 47232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 473f12064d1SFlorian Westphal u8 igmp; 474f12064d1SFlorian Westphal u8 mrouters_only:1; 47532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 476f12064d1SFlorian Westphal u8 proxyarp_replied:1; 477f12064d1SFlorian Westphal u8 src_port_isolated:1; 47820adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 479f12064d1SFlorian Westphal u8 vlan_filtered:1; 48020adfa1aSVlad Yasevich #endif 481223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 482223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 483223fd0adSFlorian Westphal #endif 4846bc506b4SIdo Schimmel 4856bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4866bc506b4SIdo Schimmel int offload_fwd_mark; 4876bc506b4SIdo Schimmel #endif 48868b7c895SHerbert Xu }; 48968b7c895SHerbert Xu 49068b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 49168b7c895SHerbert Xu 49232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 49332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 49432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 49532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 49632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 49732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 49828a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 49928a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 50028a16c97Sstephen hemminger 50128a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 50228a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 50328a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 50428a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 50528a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 50628a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 50728a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 50828a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 50928a16c97Sstephen hemminger 51028a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 51128a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 51228a16c97Sstephen hemminger 5131da177e4SLinus Torvalds /* called under bridge lock */ 5141da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5151da177e4SLinus Torvalds { 5161da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds 5192594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 5202594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 5212594e906SNikolay Aleksandrov { 5222594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 5232594e906SNikolay Aleksandrov } 5242594e906SNikolay Aleksandrov 5252594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 5262594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 5272594e906SNikolay Aleksandrov { 5282594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 5292594e906SNikolay Aleksandrov } 5302594e906SNikolay Aleksandrov 5316be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5322594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5332594e906SNikolay Aleksandrov { 5342594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5352594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5362594e906SNikolay Aleksandrov return true; 5372594e906SNikolay Aleksandrov else 5382594e906SNikolay Aleksandrov return false; 5392594e906SNikolay Aleksandrov } 5402594e906SNikolay Aleksandrov 5412594e906SNikolay Aleksandrov return true; 5422594e906SNikolay Aleksandrov } 5432594e906SNikolay Aleksandrov 5445d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5455d1fcaf3SNikolay Aleksandrov { 5465d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 5475d1fcaf3SNikolay Aleksandrov } 5485d1fcaf3SNikolay Aleksandrov 5498f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 5505a46facbSNikolay Aleksandrov { 5518f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 5528f4cc940SNikolay Aleksandrov 5538f4cc940SNikolay Aleksandrov if (!ret) 5548f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 5558f4cc940SNikolay Aleksandrov 5568f4cc940SNikolay Aleksandrov return ret; 5575a46facbSNikolay Aleksandrov } 5585a46facbSNikolay Aleksandrov 5595a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 5608f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 5618f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 5625a46facbSNikolay Aleksandrov { 5635a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 5648f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 5658f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 5665a46facbSNikolay Aleksandrov return false; 5678f4cc940SNikolay Aleksandrov } 5685a46facbSNikolay Aleksandrov 5695a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 5705a46facbSNikolay Aleksandrov * - it has range start flag 5715a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 5725a46facbSNikolay Aleksandrov */ 5735a46facbSNikolay Aleksandrov if (last) { 5748f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 5758f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 5765a46facbSNikolay Aleksandrov return false; 5778f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 5788f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 5798f4cc940SNikolay Aleksandrov return false; 5808f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 5818f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 5828f4cc940SNikolay Aleksandrov return false; 5838f4cc940SNikolay Aleksandrov } 5848f4cc940SNikolay Aleksandrov } 5858f4cc940SNikolay Aleksandrov 5868f4cc940SNikolay Aleksandrov /* check for required range flags */ 5878f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 5888f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 5898f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 5905a46facbSNikolay Aleksandrov return false; 5915a46facbSNikolay Aleksandrov } 5925a46facbSNikolay Aleksandrov 5935a46facbSNikolay Aleksandrov return true; 5945a46facbSNikolay Aleksandrov } 5955a46facbSNikolay Aleksandrov 596f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 597f545923bSNikolay Aleksandrov { 598f545923bSNikolay Aleksandrov switch (cmd) { 599f545923bSNikolay Aleksandrov case RTM_SETLINK: 600f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 601f545923bSNikolay Aleksandrov case RTM_DELLINK: 602f545923bSNikolay Aleksandrov return RTM_DELVLAN; 603f545923bSNikolay Aleksandrov } 604f545923bSNikolay Aleksandrov 605f545923bSNikolay Aleksandrov return 0; 606f545923bSNikolay Aleksandrov } 607f545923bSNikolay Aleksandrov 608ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 609ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 610ae75767eSNikolay Aleksandrov { 611ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 612ae75767eSNikolay Aleksandrov } 613ae75767eSNikolay Aleksandrov 614a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 615a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 616a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 617a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 618a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 619a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 620a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 621a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 622ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 623ae75767eSNikolay Aleksandrov 6241da177e4SLinus Torvalds /* br_device.c */ 625348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 626348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 627348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 628cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 62991d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 63091d2c34aSHerbert Xu struct sk_buff *skb) 63191d2c34aSHerbert Xu { 632f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 63391d2c34aSHerbert Xu } 63491d2c34aSHerbert Xu 635a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 636348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 63791d2c34aSHerbert Xu #else 6389f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 63991d2c34aSHerbert Xu struct sk_buff *skb) 64091d2c34aSHerbert Xu { 64191d2c34aSHerbert Xu } 64291d2c34aSHerbert Xu 643a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 64491d2c34aSHerbert Xu { 64591d2c34aSHerbert Xu return 0; 64691d2c34aSHerbert Xu } 64791d2c34aSHerbert Xu 64891d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 64991d2c34aSHerbert Xu { 65091d2c34aSHerbert Xu } 651cfb478daSstephen hemminger #endif 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvalds /* br_fdb.c */ 654348662a1SJoe Perches int br_fdb_init(void); 655348662a1SJoe Perches void br_fdb_fini(void); 656eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 657eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 658348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 659424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 660424bb9c9SToshiaki Makita const struct net_bridge_port *p, 661424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 662348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 663348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 664f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 665348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 6661ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 667bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 668bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 669bfd0aeacSNikolay Aleksandrov __u16 vid); 670348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 671348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 672348662a1SJoe Perches unsigned long off); 673348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 674348662a1SJoe Perches const unsigned char *addr, u16 vid); 675348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 676be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 67777162022SJohn Fastabend 678348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 679f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 680348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 68187b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 68287b0984eSPetr Machata struct netlink_ext_ack *extack); 683348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 684d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 68547674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 68647674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 68747674562SRoopa Prabhu struct netlink_ext_ack *extack); 6888db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 6898db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 6903aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 691161d82deSPetr Machata const unsigned char *addr, u16 vid, 692161d82deSPetr Machata bool swdev_notify); 6933aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 694161d82deSPetr Machata const unsigned char *addr, u16 vid, 695161d82deSPetr Machata bool swdev_notify); 6969fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 697e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvalds /* br_forward.c */ 7008addd5e7SNikolay Aleksandrov enum br_pkt_type { 7018addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7028addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7038addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7048addd5e7SNikolay Aleksandrov }; 7050c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 706b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 70737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7080c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 70937b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7108addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7111da177e4SLinus Torvalds 7127d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7137d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7147d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7157d850abdSNikolay Aleksandrov { 7167d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 7177d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 7187d850abdSNikolay Aleksandrov } 7197d850abdSNikolay Aleksandrov 7201da177e4SLinus Torvalds /* br_if.c */ 721faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 722348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 723348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 724ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 725ca752be0SDavid Ahern struct netlink_ext_ack *extack); 726348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 727804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 728348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 729c8f44affSMichał Mirosław netdev_features_t features); 730e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7312796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7322756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7331da177e4SLinus Torvalds 7341da177e4SLinus Torvalds /* br_input.c */ 7350c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 7369eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 7371da177e4SLinus Torvalds 738859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 739859828c0SJiri Pirko { 7409eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 741859828c0SJiri Pirko } 742859828c0SJiri Pirko 7434d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 7444d4fd361SPetr Machata { 7459eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 7464d4fd361SPetr Machata } 7474d4fd361SPetr Machata 748859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 749859828c0SJiri Pirko { 750859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 751859828c0SJiri Pirko } 752859828c0SJiri Pirko 7534d4fd361SPetr Machata static inline struct net_bridge_port * 7544d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 7554d4fd361SPetr Machata { 7564d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 7574d4fd361SPetr Machata } 7584d4fd361SPetr Machata 7591da177e4SLinus Torvalds /* br_ioctl.c */ 760348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 761348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 762348662a1SJoe Perches void __user *arg); 7631da177e4SLinus Torvalds 764eb1d1641SHerbert Xu /* br_multicast.c */ 765eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 766348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 767fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 768348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 769eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 7701080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 771348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 772348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 773348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 774348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 775348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 776348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 777e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 77837b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 77937b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 780348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 781348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 782348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 783348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 784348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 7855e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 786aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 787aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 788aa2ae3e7SNikolay Aleksandrov #endif 789348662a1SJoe Perches struct net_bridge_mdb_entry * 79019e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 791348662a1SJoe Perches struct net_bridge_mdb_entry * 79219e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 793348662a1SJoe Perches struct net_bridge_port_group * 794348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 795762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 7968b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 7978b671779SNikolay Aleksandrov u8 filter_mode); 79819e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 79919e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 80045ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 80145ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 802949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 803949f1e39SSatish Ashok int type); 804681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 805681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 806681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 8071080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 808a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 8091080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 810b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 8111080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 8121080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 8131080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 81419e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 81519e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 8161bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 8171bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 81885b35269SSridhar Samudrala 819cfd56754SCong Wang #define mlock_dereference(X, br) \ 820cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 821cfd56754SCong Wang 82285b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 82385b35269SSridhar Samudrala { 82485b35269SSridhar Samudrala return br->multicast_router == 2 || 82585b35269SSridhar Samudrala (br->multicast_router == 1 && 82685b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 82785b35269SSridhar Samudrala } 828b00589afSLinus Lüssing 829cc0fdd80SLinus Lüssing static inline bool 830cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 8310888d5f3Sdaniel struct bridge_mcast_other_query *querier, 8320888d5f3Sdaniel const bool is_ipv6) 833b00589afSLinus Lüssing { 8340888d5f3Sdaniel bool own_querier_enabled; 8350888d5f3Sdaniel 836675779adSNikolay Aleksandrov if (br_opt_get(br, BROPT_MULTICAST_QUERIER)) { 837675779adSNikolay Aleksandrov if (is_ipv6 && !br_opt_get(br, BROPT_HAS_IPV6_ADDR)) 8380888d5f3Sdaniel own_querier_enabled = false; 8390888d5f3Sdaniel else 8400888d5f3Sdaniel own_querier_enabled = true; 8410888d5f3Sdaniel } else { 8420888d5f3Sdaniel own_querier_enabled = false; 8430888d5f3Sdaniel } 8440888d5f3Sdaniel 845cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 8460888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 847cc0fdd80SLinus Lüssing } 848cc0fdd80SLinus Lüssing 849cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 850cc0fdd80SLinus Lüssing struct ethhdr *eth) 851cc0fdd80SLinus Lüssing { 852cc0fdd80SLinus Lüssing switch (eth->h_proto) { 853cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 8540888d5f3Sdaniel return __br_multicast_querier_exists(br, 8550888d5f3Sdaniel &br->ip4_other_query, false); 856cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 857cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 8580888d5f3Sdaniel return __br_multicast_querier_exists(br, 8590888d5f3Sdaniel &br->ip6_other_query, true); 860cc0fdd80SLinus Lüssing #endif 861cc0fdd80SLinus Lüssing default: 862cc0fdd80SLinus Lüssing return false; 863cc0fdd80SLinus Lüssing } 864b00589afSLinus Lüssing } 8651080ab95SNikolay Aleksandrov 8661080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 8671080ab95SNikolay Aleksandrov { 8681080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 8691080ab95SNikolay Aleksandrov } 870eb1d1641SHerbert Xu #else 871eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 872eb1d1641SHerbert Xu struct net_bridge_port *port, 87306499098SVlad Yasevich struct sk_buff *skb, 87406499098SVlad Yasevich u16 vid) 875eb1d1641SHerbert Xu { 876eb1d1641SHerbert Xu return 0; 877eb1d1641SHerbert Xu } 878eb1d1641SHerbert Xu 879eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 880fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 881eb1d1641SHerbert Xu { 882eb1d1641SHerbert Xu return NULL; 883eb1d1641SHerbert Xu } 884eb1d1641SHerbert Xu 8851080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 886eb1d1641SHerbert Xu { 8871080ab95SNikolay Aleksandrov return 0; 888eb1d1641SHerbert Xu } 889eb1d1641SHerbert Xu 890eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 891eb1d1641SHerbert Xu { 892eb1d1641SHerbert Xu } 893eb1d1641SHerbert Xu 894eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 895eb1d1641SHerbert Xu { 896eb1d1641SHerbert Xu } 897eb1d1641SHerbert Xu 898eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 899eb1d1641SHerbert Xu { 900eb1d1641SHerbert Xu } 901eb1d1641SHerbert Xu 902eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 903eb1d1641SHerbert Xu { 904eb1d1641SHerbert Xu } 905eb1d1641SHerbert Xu 906eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 907eb1d1641SHerbert Xu { 908eb1d1641SHerbert Xu } 909eb1d1641SHerbert Xu 910eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 911eb1d1641SHerbert Xu { 912eb1d1641SHerbert Xu } 9135cb5e947SHerbert Xu 914a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 915a7ce45a7SNikolay Aleksandrov { 916a7ce45a7SNikolay Aleksandrov } 917a7ce45a7SNikolay Aleksandrov 91837b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 91937b090e6SNikolay Aleksandrov struct sk_buff *skb, 92037b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 9215cb5e947SHerbert Xu { 9225cb5e947SHerbert Xu } 9235cb5e947SHerbert Xu 924eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 925eb1d1641SHerbert Xu { 92603aaa9e2SGustavo A. R. Silva return false; 927eb1d1641SHerbert Xu } 92837b090e6SNikolay Aleksandrov 929cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 930cc0fdd80SLinus Lüssing struct ethhdr *eth) 931b00589afSLinus Lüssing { 932b00589afSLinus Lüssing return false; 933b00589afSLinus Lüssing } 93437b090e6SNikolay Aleksandrov 935fdb184d1SRami Rosen static inline void br_mdb_init(void) 936fdb184d1SRami Rosen { 937fdb184d1SRami Rosen } 93837b090e6SNikolay Aleksandrov 939fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 940fdb184d1SRami Rosen { 941fdb184d1SRami Rosen } 9421080ab95SNikolay Aleksandrov 94319e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 94419e3a9c9SNikolay Aleksandrov { 94519e3a9c9SNikolay Aleksandrov return 0; 94619e3a9c9SNikolay Aleksandrov } 94719e3a9c9SNikolay Aleksandrov 94819e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 94919e3a9c9SNikolay Aleksandrov { 95019e3a9c9SNikolay Aleksandrov } 95119e3a9c9SNikolay Aleksandrov 9521080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 9531080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 954a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 955a65056ecSNikolay Aleksandrov u8 type, u8 dir) 9561080ab95SNikolay Aleksandrov { 9571080ab95SNikolay Aleksandrov } 9581080ab95SNikolay Aleksandrov 9591080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 9601080ab95SNikolay Aleksandrov { 9611080ab95SNikolay Aleksandrov return 0; 9621080ab95SNikolay Aleksandrov } 9631080ab95SNikolay Aleksandrov 964b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 965b6fe0440SIdo Schimmel { 966b6fe0440SIdo Schimmel } 967b6fe0440SIdo Schimmel 9681080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 9691080ab95SNikolay Aleksandrov { 9701080ab95SNikolay Aleksandrov return 0; 9711080ab95SNikolay Aleksandrov } 97285b35269SSridhar Samudrala #endif 973eb1d1641SHerbert Xu 974243a2e63SVlad Yasevich /* br_vlan.c */ 975243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 97677751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 97777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 978a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 97977751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 98085f46c6bSVlad Yasevich const struct sk_buff *skb); 981e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 982348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 98311538d03SRoopa Prabhu const struct net_bridge_port *port, 9842594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 98578851988SVlad Yasevich struct sk_buff *skb); 986f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 987169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 988348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 989348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 9902594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 991204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 992a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 993348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 994d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 995204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 9966dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 9979163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 9985be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 99996a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 1000169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1001169327d5SPetr Machata struct netlink_ext_ack *extack); 1002f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1003169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1004348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1005348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1006169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 10072594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1008a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1009a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 10109c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1011091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 10129c0ec2e7SMike Manning void *ptr); 10138dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 10148dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1015cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1016cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1017cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1018cf5bddb9SNikolay Aleksandrov int cmd); 1019a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1020a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1021a37b85c9SVlad Yasevich 10222594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1023a37b85c9SVlad Yasevich const struct net_bridge *br) 1024a37b85c9SVlad Yasevich { 1025907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1026a37b85c9SVlad Yasevich } 1027a37b85c9SVlad Yasevich 10282594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1029a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1030a37b85c9SVlad Yasevich { 1031907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1032907b1e6eSNikolay Aleksandrov } 1033907b1e6eSNikolay Aleksandrov 1034907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1035907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1036907b1e6eSNikolay Aleksandrov { 1037907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1038907b1e6eSNikolay Aleksandrov } 1039907b1e6eSNikolay Aleksandrov 1040907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1041907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1042907b1e6eSNikolay Aleksandrov { 1043907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1044a37b85c9SVlad Yasevich } 1045a37b85c9SVlad Yasevich 1046a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1047a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1048a37b85c9SVlad Yasevich */ 1049a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1050a37b85c9SVlad Yasevich { 1051a37b85c9SVlad Yasevich int err = 0; 1052a37b85c9SVlad Yasevich 10532594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 10545978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 10552594e906SNikolay Aleksandrov } else { 1056a37b85c9SVlad Yasevich *vid = 0; 1057a37b85c9SVlad Yasevich err = -EINVAL; 1058a37b85c9SVlad Yasevich } 1059a37b85c9SVlad Yasevich 1060a37b85c9SVlad Yasevich return err; 1061a37b85c9SVlad Yasevich } 106278851988SVlad Yasevich 106377751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 106478851988SVlad Yasevich { 106577751ee8SNikolay Aleksandrov if (!vg) 10665be5a2dfSVlad Yasevich return 0; 10675be5a2dfSVlad Yasevich 106878851988SVlad Yasevich smp_rmb(); 106977751ee8SNikolay Aleksandrov return vg->pvid; 107078851988SVlad Yasevich } 107178851988SVlad Yasevich 10728dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 10738dcea187SNikolay Aleksandrov { 10748dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 10758dcea187SNikolay Aleksandrov } 1076243a2e63SVlad Yasevich #else 107777751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 107877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 10792594e906SNikolay Aleksandrov struct sk_buff *skb, 1080a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 10812594e906SNikolay Aleksandrov { 10822594e906SNikolay Aleksandrov return true; 10832594e906SNikolay Aleksandrov } 10842594e906SNikolay Aleksandrov 10852594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 108685f46c6bSVlad Yasevich const struct sk_buff *skb) 108785f46c6bSVlad Yasevich { 108885f46c6bSVlad Yasevich return true; 108985f46c6bSVlad Yasevich } 109085f46c6bSVlad Yasevich 1091e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1092e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1093e0d7968aSToshiaki Makita { 1094e0d7968aSToshiaki Makita return true; 1095e0d7968aSToshiaki Makita } 1096e0d7968aSToshiaki Makita 109778851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 109811538d03SRoopa Prabhu const struct net_bridge_port *port, 10992594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 110078851988SVlad Yasevich struct sk_buff *skb) 110178851988SVlad Yasevich { 110278851988SVlad Yasevich return skb; 110378851988SVlad Yasevich } 110478851988SVlad Yasevich 1105f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1106169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1107243a2e63SVlad Yasevich { 1108f418af63SNikolay Aleksandrov *changed = false; 1109243a2e63SVlad Yasevich return -EOPNOTSUPP; 1110243a2e63SVlad Yasevich } 1111243a2e63SVlad Yasevich 1112243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1113243a2e63SVlad Yasevich { 1114243a2e63SVlad Yasevich return -EOPNOTSUPP; 1115243a2e63SVlad Yasevich } 1116243a2e63SVlad Yasevich 1117243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1118243a2e63SVlad Yasevich { 1119243a2e63SVlad Yasevich } 1120243a2e63SVlad Yasevich 1121204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1122204177f3SToshiaki Makita { 1123204177f3SToshiaki Makita } 1124204177f3SToshiaki Makita 11255be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 11268580e211SToshiaki Makita { 11275be5a2dfSVlad Yasevich return 0; 11288580e211SToshiaki Makita } 11298580e211SToshiaki Makita 1130f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1131169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1132243a2e63SVlad Yasevich { 1133f418af63SNikolay Aleksandrov *changed = false; 1134243a2e63SVlad Yasevich return -EOPNOTSUPP; 1135243a2e63SVlad Yasevich } 1136243a2e63SVlad Yasevich 1137243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1138243a2e63SVlad Yasevich { 1139243a2e63SVlad Yasevich return -EOPNOTSUPP; 1140243a2e63SVlad Yasevich } 1141243a2e63SVlad Yasevich 1142243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1143243a2e63SVlad Yasevich { 1144243a2e63SVlad Yasevich } 1145243a2e63SVlad Yasevich 11462594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 11472594e906SNikolay Aleksandrov u16 vid) 1148a37b85c9SVlad Yasevich { 1149a37b85c9SVlad Yasevich return NULL; 1150a37b85c9SVlad Yasevich } 1151bc9a25d2SVlad Yasevich 1152169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1153169327d5SPetr Machata struct netlink_ext_ack *extack) 11545be5a2dfSVlad Yasevich { 11555be5a2dfSVlad Yasevich return 0; 11565be5a2dfSVlad Yasevich } 11575be5a2dfSVlad Yasevich 115878851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1159a37b85c9SVlad Yasevich { 1160a37b85c9SVlad Yasevich return 0; 1161a37b85c9SVlad Yasevich } 11622594e906SNikolay Aleksandrov 116377751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 116478851988SVlad Yasevich { 11653df6bf45SVlad Yasevich return 0; 116678851988SVlad Yasevich } 11672796d0c6SVlad Yasevich 1168a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 1169a7854037SNikolay Aleksandrov unsigned long val) 1170a7854037SNikolay Aleksandrov { 1171a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1172a7854037SNikolay Aleksandrov } 11732594e906SNikolay Aleksandrov 11742594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 11752594e906SNikolay Aleksandrov u32 filter_mask) 11762594e906SNikolay Aleksandrov { 11772594e906SNikolay Aleksandrov return 0; 11782594e906SNikolay Aleksandrov } 11792594e906SNikolay Aleksandrov 11802594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 11812594e906SNikolay Aleksandrov const struct net_bridge *br) 11822594e906SNikolay Aleksandrov { 11832594e906SNikolay Aleksandrov return NULL; 11842594e906SNikolay Aleksandrov } 11852594e906SNikolay Aleksandrov 11862594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 11872594e906SNikolay Aleksandrov const struct net_bridge_port *p) 11882594e906SNikolay Aleksandrov { 11892594e906SNikolay Aleksandrov return NULL; 11902594e906SNikolay Aleksandrov } 1191907b1e6eSNikolay Aleksandrov 1192907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1193907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1194907b1e6eSNikolay Aleksandrov { 1195907b1e6eSNikolay Aleksandrov return NULL; 1196907b1e6eSNikolay Aleksandrov } 1197907b1e6eSNikolay Aleksandrov 1198907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1199907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1200907b1e6eSNikolay Aleksandrov { 1201907b1e6eSNikolay Aleksandrov return NULL; 1202907b1e6eSNikolay Aleksandrov } 1203a60c0903SNikolay Aleksandrov 1204a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1205a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 1206a60c0903SNikolay Aleksandrov { 1207a60c0903SNikolay Aleksandrov } 12089c0ec2e7SMike Manning 12099c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 12109c0ec2e7SMike Manning unsigned long event) 12119c0ec2e7SMike Manning { 12129c0ec2e7SMike Manning } 12139c0ec2e7SMike Manning 1214091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 12159c0ec2e7SMike Manning unsigned long event, void *ptr) 12169c0ec2e7SMike Manning { 1217091adf9bSNikolay Aleksandrov return 0; 12189c0ec2e7SMike Manning } 12198dcea187SNikolay Aleksandrov 12208dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 12218dcea187SNikolay Aleksandrov { 12228dcea187SNikolay Aleksandrov } 12238dcea187SNikolay Aleksandrov 12248dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 12258dcea187SNikolay Aleksandrov { 12268dcea187SNikolay Aleksandrov } 1227cf5bddb9SNikolay Aleksandrov 1228cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1229cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1230cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1231cf5bddb9SNikolay Aleksandrov int cmd) 1232cf5bddb9SNikolay Aleksandrov { 1233cf5bddb9SNikolay Aleksandrov } 1234528ae84aSNikolay Aleksandrov 1235528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1236528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1237528ae84aSNikolay Aleksandrov { 1238528ae84aSNikolay Aleksandrov return true; 1239528ae84aSNikolay Aleksandrov } 1240243a2e63SVlad Yasevich #endif 1241243a2e63SVlad Yasevich 12427a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 12437a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 124499f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 124599f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 12467a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 12477a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1248a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1249a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1250a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1251a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1252a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1253a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1254a580c76dSNikolay Aleksandrov 1255a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1256a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1257a580c76dSNikolay Aleksandrov { 1258a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1259a580c76dSNikolay Aleksandrov } 1260a580c76dSNikolay Aleksandrov 1261a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1262a580c76dSNikolay Aleksandrov { 1263a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1264a580c76dSNikolay Aleksandrov } 1265a580c76dSNikolay Aleksandrov 1266a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1267a580c76dSNikolay Aleksandrov { 1268a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1269a580c76dSNikolay Aleksandrov } 1270a580c76dSNikolay Aleksandrov 1271a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1272a580c76dSNikolay Aleksandrov u8 state) 1273a580c76dSNikolay Aleksandrov { 1274a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1275a580c76dSNikolay Aleksandrov } 1276a580c76dSNikolay Aleksandrov 1277a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1278a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1279a580c76dSNikolay Aleksandrov { 1280a580c76dSNikolay Aleksandrov switch (state) { 1281a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1282a580c76dSNikolay Aleksandrov return learn_allow; 1283a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1284a580c76dSNikolay Aleksandrov return true; 1285a580c76dSNikolay Aleksandrov default: 1286a580c76dSNikolay Aleksandrov return false; 1287a580c76dSNikolay Aleksandrov } 1288a580c76dSNikolay Aleksandrov } 12897a53e718SNikolay Aleksandrov #endif 12907a53e718SNikolay Aleksandrov 12911a4ba64dSPablo Neira Ayuso struct nf_br_ops { 12921a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 12931a4ba64dSPablo Neira Ayuso }; 12941a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 12951a4ba64dSPablo Neira Ayuso 12961da177e4SLinus Torvalds /* br_netfilter.c */ 129734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 129834666d46SPablo Neira Ayuso int br_nf_core_init(void); 129934666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1300348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1301c0909713SStephen Hemminger #else 130234666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 130334666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 13044adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1305c0909713SStephen Hemminger #endif 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvalds /* br_stp.c */ 1308775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1309348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1310348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1311348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 13121da177e4SLinus Torvalds 1313348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1314348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1315348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1316348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 131782dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 13189e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 131914f98f25Sstephen hemminger 132014f98f25Sstephen hemminger 13211da177e4SLinus Torvalds /* br_stp_if.c */ 1322348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1323348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1324419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1325419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1326348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1327348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1328348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1329348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1330348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1331348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1332348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1333348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvalds /* br_stp_bpdu.c */ 13367c85fbf0SPatrick McHardy struct stp_proto; 1337348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 13387c85fbf0SPatrick McHardy struct net_device *dev); 13391da177e4SLinus Torvalds 13401da177e4SLinus Torvalds /* br_stp_timer.c */ 1341348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1342348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1343348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvalds /* br.c */ 1346e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1347da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1348da678292SMichał Mirosław #endif 13491da177e4SLinus Torvalds 135065369933SHoratiu Vultur /* br_mrp.c */ 135165369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 135265369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 135365369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 135465369933SHoratiu Vultur int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb); 135565369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 135665369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1357df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 135865369933SHoratiu Vultur #else 135965369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 136065369933SHoratiu Vultur struct nlattr *attr, int cmd, 136165369933SHoratiu Vultur struct netlink_ext_ack *extack) 136265369933SHoratiu Vultur { 136365369933SHoratiu Vultur return -EOPNOTSUPP; 136465369933SHoratiu Vultur } 136565369933SHoratiu Vultur 136665369933SHoratiu Vultur static inline int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb) 136765369933SHoratiu Vultur { 136865369933SHoratiu Vultur return 0; 136965369933SHoratiu Vultur } 137065369933SHoratiu Vultur 137165369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 137265369933SHoratiu Vultur { 13738741e184SJason Yan return false; 137465369933SHoratiu Vultur } 137565369933SHoratiu Vultur 137665369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 137765369933SHoratiu Vultur struct net_bridge_port *p) 137865369933SHoratiu Vultur { 137965369933SHoratiu Vultur } 1380df42ef22SHoratiu Vultur 1381df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1382df42ef22SHoratiu Vultur { 1383df42ef22SHoratiu Vultur return 0; 1384df42ef22SHoratiu Vultur } 1385df42ef22SHoratiu Vultur 138665369933SHoratiu Vultur #endif 138765369933SHoratiu Vultur 138811dc1f36SStephen Hemminger /* br_netlink.c */ 1389149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1390348662a1SJoe Perches int br_netlink_init(void); 1391348662a1SJoe Perches void br_netlink_fini(void); 139292899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 139392899063SNikolay Aleksandrov const struct net_bridge_port *port); 13942fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 13952fd527b7SPetr Machata struct netlink_ext_ack *extack); 1396add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1397348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 139846c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1399f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1400f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1401f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1402f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1403f26b2965SNikolay Aleksandrov bool *changed, 1404f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 140511dc1f36SStephen Hemminger 14061da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 14071da177e4SLinus Torvalds /* br_sysfs_if.c */ 140852cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1409348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1410348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvalds /* br_sysfs_br.c */ 1413348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1414348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 14151da177e4SLinus Torvalds 14161da177e4SLinus Torvalds #else 14171da177e4SLinus Torvalds 14180cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 14190cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 14200cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 14210cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 14221da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 14231da177e4SLinus Torvalds 14246bc506b4SIdo Schimmel /* br_switchdev.c */ 14256bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 14266bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 14276bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 14286bc506b4SIdo Schimmel struct sk_buff *skb); 14296bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 14306bc506b4SIdo Schimmel const struct sk_buff *skb); 14313922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 14323922285dSArkadi Sharshevsky unsigned long flags, 14333922285dSArkadi Sharshevsky unsigned long mask); 14346b26b51bSArkadi Sharshevsky void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, 14356b26b51bSArkadi Sharshevsky int type); 1436169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1437169327d5SPetr Machata struct netlink_ext_ack *extack); 1438d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1439f1c2eddfSIdo Schimmel 1440f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1441f1c2eddfSIdo Schimmel { 1442f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1443f1c2eddfSIdo Schimmel } 14446bc506b4SIdo Schimmel #else 14456bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 14466bc506b4SIdo Schimmel { 14476bc506b4SIdo Schimmel return 0; 14486bc506b4SIdo Schimmel } 14496bc506b4SIdo Schimmel 14506bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 14516bc506b4SIdo Schimmel struct sk_buff *skb) 14526bc506b4SIdo Schimmel { 14536bc506b4SIdo Schimmel } 14546bc506b4SIdo Schimmel 14556bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 14566bc506b4SIdo Schimmel const struct sk_buff *skb) 14576bc506b4SIdo Schimmel { 14586bc506b4SIdo Schimmel return true; 14596bc506b4SIdo Schimmel } 14603922285dSArkadi Sharshevsky 14613922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 14623922285dSArkadi Sharshevsky unsigned long flags, 14633922285dSArkadi Sharshevsky unsigned long mask) 14643922285dSArkadi Sharshevsky { 14653922285dSArkadi Sharshevsky return 0; 14663922285dSArkadi Sharshevsky } 14676b26b51bSArkadi Sharshevsky 1468d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1469169327d5SPetr Machata u16 vid, u16 flags, 1470169327d5SPetr Machata struct netlink_ext_ack *extack) 1471d66e4348SPetr Machata { 1472d66e4348SPetr Machata return -EOPNOTSUPP; 1473d66e4348SPetr Machata } 1474d66e4348SPetr Machata 1475d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1476d66e4348SPetr Machata { 1477d66e4348SPetr Machata return -EOPNOTSUPP; 1478d66e4348SPetr Machata } 1479d66e4348SPetr Machata 14806b26b51bSArkadi Sharshevsky static inline void 14816b26b51bSArkadi Sharshevsky br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) 14826b26b51bSArkadi Sharshevsky { 14836b26b51bSArkadi Sharshevsky } 1484f1c2eddfSIdo Schimmel 1485f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1486f1c2eddfSIdo Schimmel { 1487f1c2eddfSIdo Schimmel } 14886bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 14896bc506b4SIdo Schimmel 1490057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1491821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1492057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1493057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1494ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1495ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1496ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 14971da177e4SLinus Torvalds #endif 1498