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 929632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 939632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 949632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 959632233eSNikolay Aleksandrov struct net_bridge_port *port; 96613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 979632233eSNikolay Aleksandrov 989632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 999632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1009632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1019632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1029632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1039632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1049632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1059632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1069632233eSNikolay Aleksandrov unsigned char multicast_router; 1079632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1089632233eSNikolay Aleksandrov }; 1099632233eSNikolay Aleksandrov 110d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 111d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 112d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 113d3d065c0SNikolay Aleksandrov struct net_bridge *br; 114613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 115d3d065c0SNikolay Aleksandrov 116d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 117d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 118d3d065c0SNikolay Aleksandrov 119d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 120d3d065c0SNikolay Aleksandrov u8 multicast_router; 121d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 122d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 123d3d065c0SNikolay Aleksandrov #endif 124d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 125d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 126d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 127d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 128d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 129d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 130d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 131d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 132d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 133d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 134d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 135d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 136d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 137d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 139d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 140d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 141d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 142d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 143d3d065c0SNikolay Aleksandrov }; 144d3d065c0SNikolay Aleksandrov 145efa5356bSRoopa Prabhu struct br_tunnel_info { 146efa5356bSRoopa Prabhu __be64 tunnel_id; 14758e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 148efa5356bSRoopa Prabhu }; 149efa5356bSRoopa Prabhu 1509d332e69SNikolay Aleksandrov /* private vlan flags */ 1519d332e69SNikolay Aleksandrov enum { 1529d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15327973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 154*7b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 155*7b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1569d332e69SNikolay Aleksandrov }; 1579d332e69SNikolay Aleksandrov 1582594e906SNikolay Aleksandrov /** 1592594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1602594e906SNikolay Aleksandrov * 1612594e906SNikolay Aleksandrov * @vnode: rhashtable member 1622594e906SNikolay Aleksandrov * @vid: VLAN id 1632594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1649d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 165a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1666dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1672594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1682594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1692594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1702594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1712594e906SNikolay Aleksandrov * for this VLAN entry 172613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 173613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 174613d61dbSNikolay Aleksandrov * context 1752594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1762594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1772594e906SNikolay Aleksandrov * 1782594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1792594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1802594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1812594e906SNikolay Aleksandrov * the entry flags that are set. 1822594e906SNikolay Aleksandrov */ 1832594e906SNikolay Aleksandrov struct net_bridge_vlan { 1842594e906SNikolay Aleksandrov struct rhash_head vnode; 185efa5356bSRoopa Prabhu struct rhash_head tnode; 1862594e906SNikolay Aleksandrov u16 vid; 1872594e906SNikolay Aleksandrov u16 flags; 1889d332e69SNikolay Aleksandrov u16 priv_flags; 189a580c76dSNikolay Aleksandrov u8 state; 190281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 191243a2e63SVlad Yasevich union { 192243a2e63SVlad Yasevich struct net_bridge *br; 1932594e906SNikolay Aleksandrov struct net_bridge_port *port; 1942594e906SNikolay Aleksandrov }; 1952594e906SNikolay Aleksandrov union { 19625127759SReshetova, Elena refcount_t refcnt; 1972594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1982594e906SNikolay Aleksandrov }; 199efa5356bSRoopa Prabhu 200efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 201efa5356bSRoopa Prabhu 202613d61dbSNikolay Aleksandrov union { 203613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 204613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 205613d61dbSNikolay Aleksandrov }; 206613d61dbSNikolay Aleksandrov 2072594e906SNikolay Aleksandrov struct list_head vlist; 2082594e906SNikolay Aleksandrov 209243a2e63SVlad Yasevich struct rcu_head rcu; 2102594e906SNikolay Aleksandrov }; 2112594e906SNikolay Aleksandrov 2122594e906SNikolay Aleksandrov /** 2132594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2142594e906SNikolay Aleksandrov * 2152594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2162594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2172594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 21877751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 219a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2202594e906SNikolay Aleksandrov * 2212594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2222594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2232594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2242594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2252594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2262594e906SNikolay Aleksandrov */ 2272594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2282594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 229efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2302594e906SNikolay Aleksandrov struct list_head vlan_list; 2316cbdceebSVlad Yasevich u16 num_vlans; 23277751ee8SNikolay Aleksandrov u16 pvid; 233a580c76dSNikolay Aleksandrov u8 pvid_state; 234243a2e63SVlad Yasevich }; 235243a2e63SVlad Yasevich 2366869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2376869c3b0SNikolay Aleksandrov enum { 2386869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 23929e63fffSNikolay Aleksandrov BR_FDB_STATIC, 240e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 241ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 242b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 243d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 24431cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 24531cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2466869c3b0SNikolay Aleksandrov }; 2476869c3b0SNikolay Aleksandrov 248eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 249eb793583SNikolay Aleksandrov mac_addr addr; 250eb793583SNikolay Aleksandrov u16 vlan_id; 251eb793583SNikolay Aleksandrov }; 252eb793583SNikolay Aleksandrov 2531214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 254eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2551da177e4SLinus Torvalds struct net_bridge_port *dst; 2561da177e4SLinus Torvalds 257eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 258eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2596869c3b0SNikolay Aleksandrov unsigned long flags; 2601214628cSNikolay Aleksandrov 2611214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2621214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2631214628cSNikolay Aleksandrov unsigned long used; 2641214628cSNikolay Aleksandrov 265b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2661da177e4SLinus Torvalds }; 2671da177e4SLinus Torvalds 2689d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2699d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2703247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2718266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2729116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2739d06b6d8SElad Raz 2748b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2758b671779SNikolay Aleksandrov 2768b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2778b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 278b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2798b671779SNikolay Aleksandrov 280e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 281e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 282e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 283e12cec65SNikolay Aleksandrov }; 284e12cec65SNikolay Aleksandrov 2858b671779SNikolay Aleksandrov struct net_bridge_group_src { 2868b671779SNikolay Aleksandrov struct hlist_node node; 2878b671779SNikolay Aleksandrov 2888b671779SNikolay Aleksandrov struct br_ip addr; 2898b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2908b671779SNikolay Aleksandrov u8 flags; 291438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2928b671779SNikolay Aleksandrov struct timer_list timer; 2938b671779SNikolay Aleksandrov 2948b671779SNikolay Aleksandrov struct net_bridge *br; 295e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2968b671779SNikolay Aleksandrov struct rcu_head rcu; 2978b671779SNikolay Aleksandrov }; 2988b671779SNikolay Aleksandrov 299085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 300eb1d1641SHerbert Xu struct net_bridge_port *port; 3018ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 302085b53c8SNikolay Aleksandrov }; 303085b53c8SNikolay Aleksandrov 304085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 305085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 306085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 307206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3089d06b6d8SElad Raz unsigned char flags; 3098b671779SNikolay Aleksandrov unsigned char filter_mode; 31042c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3118f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3126ec0d0eeSNikolay Aleksandrov 3138b671779SNikolay Aleksandrov struct hlist_head src_list; 3148b671779SNikolay Aleksandrov unsigned int src_ents; 3156ec0d0eeSNikolay Aleksandrov struct timer_list timer; 31642c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3176ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3188f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3198f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3206ec0d0eeSNikolay Aleksandrov 321085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 322e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3236ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 324eb1d1641SHerbert Xu }; 325eb1d1641SHerbert Xu 3261c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 32719e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 328eb1d1641SHerbert Xu struct net_bridge *br; 329e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3308ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 331ff0fd34eSAndrew Lunn bool host_joined; 3326ec0d0eeSNikolay Aleksandrov 3336ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33419e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3356ec0d0eeSNikolay Aleksandrov 336e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3376ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 338eb1d1641SHerbert Xu }; 339eb1d1641SHerbert Xu 3401f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3411da177e4SLinus Torvalds struct net_bridge *br; 3421da177e4SLinus Torvalds struct net_device *dev; 3431da177e4SLinus Torvalds struct list_head list; 3441da177e4SLinus Torvalds 3451f90c7f3SNikolay Aleksandrov unsigned long flags; 3461f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3471f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3481f90c7f3SNikolay Aleksandrov #endif 3492756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3501f90c7f3SNikolay Aleksandrov 3511da177e4SLinus Torvalds /* STP */ 3521da177e4SLinus Torvalds u8 priority; 3531da177e4SLinus Torvalds u8 state; 3541da177e4SLinus Torvalds u16 port_no; 3551da177e4SLinus Torvalds unsigned char topology_change_ack; 3561da177e4SLinus Torvalds unsigned char config_pending; 3571da177e4SLinus Torvalds port_id port_id; 3581da177e4SLinus Torvalds port_id designated_port; 3591da177e4SLinus Torvalds bridge_id designated_root; 3601da177e4SLinus Torvalds bridge_id designated_bridge; 3611da177e4SLinus Torvalds u32 path_cost; 3621da177e4SLinus Torvalds u32 designated_cost; 3630c03150eSstephen hemminger unsigned long designated_age; 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3661da177e4SLinus Torvalds struct timer_list hold_timer; 3671da177e4SLinus Torvalds struct timer_list message_age_timer; 3681da177e4SLinus Torvalds struct kobject kobj; 3691da177e4SLinus Torvalds struct rcu_head rcu; 3703982d3d2SFischer, Anna 3719632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3729632233eSNikolay Aleksandrov 373eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3749632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3759632233eSNikolay Aleksandrov 37689268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 37789268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 378eb1d1641SHerbert Xu struct hlist_head mglist; 379eb1d1641SHerbert Xu #endif 380e0f43752SSimon Arlott 381e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 382e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 383e0f43752SSimon Arlott #endif 38491d2c34aSHerbert Xu 38591d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 38691d2c34aSHerbert Xu struct netpoll *np; 38791d2c34aSHerbert Xu #endif 3886bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3896bc506b4SIdo Schimmel int offload_fwd_mark; 3906bc506b4SIdo Schimmel #endif 3915af48b59SNikolay Aleksandrov u16 group_fwd_mask; 3922756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 393de179966SVivien Didelot 394de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 3951da177e4SLinus Torvalds }; 3961da177e4SLinus Torvalds 397705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 398705e0deaSTyler Hicks 399e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 400f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 401e028e4b8SVlad Yasevich 402b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 403b5ed54e9Sstephen hemminger { 404716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 405b5ed54e9Sstephen hemminger } 406b5ed54e9Sstephen hemminger 4071fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 408b5ed54e9Sstephen hemminger { 40935f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 410ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 411b5ed54e9Sstephen hemminger } 412b5ed54e9Sstephen hemminger 4130baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4140baa10ffSArkadi Sharshevsky { 41535f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4160baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4170baa10ffSArkadi Sharshevsky } 4180baa10ffSArkadi Sharshevsky 419ae75767eSNikolay Aleksandrov enum net_bridge_opts { 420ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 421ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4228df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4238df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4248df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 425be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 42613cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 427675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 428675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 429675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 430675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 431c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4323341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4339163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 43470e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4359c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 436ae75767eSNikolay Aleksandrov }; 437ae75767eSNikolay Aleksandrov 4381f90c7f3SNikolay Aleksandrov struct net_bridge { 4391da177e4SLinus Torvalds spinlock_t lock; 4401f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 44190c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4421da177e4SLinus Torvalds struct net_device *dev; 443ae75767eSNikolay Aleksandrov unsigned long options; 4441f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4451f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4461f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4471f90c7f3SNikolay Aleksandrov u16 default_pvid; 4481f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4491f90c7f3SNikolay Aleksandrov #endif 4501f90c7f3SNikolay Aleksandrov 451eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 45290c628ddSHenrik Bjoernlund struct list_head port_list; 45334666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 454efb6de9bSBernhard Thaler union { 4554adf0af6SSimon Wunderlich struct rtable fake_rtable; 456efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 457efb6de9bSBernhard Thaler }; 4584adf0af6SSimon Wunderlich #endif 459515853ccSstephen hemminger u16 group_fwd_mask; 460f2808d22SToshiaki Makita u16 group_fwd_mask_required; 461515853ccSstephen hemminger 4621da177e4SLinus Torvalds /* STP */ 4631da177e4SLinus Torvalds bridge_id designated_root; 4641da177e4SLinus Torvalds bridge_id bridge_id; 4651f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4661f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4671f90c7f3SNikolay Aleksandrov u16 root_port; 4681da177e4SLinus Torvalds unsigned long max_age; 4691da177e4SLinus Torvalds unsigned long hello_time; 4701da177e4SLinus Torvalds unsigned long forward_delay; 4711da177e4SLinus Torvalds unsigned long ageing_time; 47234d8acd8SVivien Didelot unsigned long bridge_max_age; 4731da177e4SLinus Torvalds unsigned long bridge_hello_time; 4741da177e4SLinus Torvalds unsigned long bridge_forward_delay; 47534d8acd8SVivien Didelot unsigned long bridge_ageing_time; 47635750b0bSNikolay Aleksandrov u32 root_path_cost; 4771da177e4SLinus Torvalds 478fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4799cde0708SStephen Hemminger 4809cde0708SStephen Hemminger enum { 4819cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4829cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4839cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4849cde0708SStephen Hemminger } stp_enabled; 4859cde0708SStephen Hemminger 486d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 487d3d065c0SNikolay Aleksandrov 488eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 489d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 490eb1d1641SHerbert Xu 491eb1d1641SHerbert Xu u32 hash_max; 492eb1d1641SHerbert Xu 49335750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 494eb1d1641SHerbert Xu 49519e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 496085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 49719e3a9c9SNikolay Aleksandrov 498e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 49919e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 500eb1d1641SHerbert Xu 501e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 502eb1d1641SHerbert Xu #endif 503eb1d1641SHerbert Xu 5041da177e4SLinus Torvalds struct timer_list hello_timer; 5051da177e4SLinus Torvalds struct timer_list tcn_timer; 5061da177e4SLinus Torvalds struct timer_list topology_change_timer; 507f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 50843b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 509e028e4b8SVlad Yasevich u32 auto_cnt; 5106bc506b4SIdo Schimmel 5116bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5126bc506b4SIdo Schimmel int offload_fwd_mark; 5136bc506b4SIdo Schimmel #endif 514eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5154b8d7d4cSHoratiu Vultur 5164b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5170169b820SHoratiu Vultur struct hlist_head mrp_list; 5184b8d7d4cSHoratiu Vultur #endif 519f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 520f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 521f323aa54SHenrik Bjoernlund #endif 5221da177e4SLinus Torvalds }; 5231da177e4SLinus Torvalds 52468b7c895SHerbert Xu struct br_input_skb_cb { 52568b7c895SHerbert Xu struct net_device *brdev; 52693fdd47eSHerbert Xu 5273c171f49SPablo Neira Ayuso u16 frag_max_size; 52832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 529f12064d1SFlorian Westphal u8 igmp; 530f12064d1SFlorian Westphal u8 mrouters_only:1; 53132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 532f12064d1SFlorian Westphal u8 proxyarp_replied:1; 533f12064d1SFlorian Westphal u8 src_port_isolated:1; 53420adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 535f12064d1SFlorian Westphal u8 vlan_filtered:1; 53620adfa1aSVlad Yasevich #endif 537223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 538223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 539223fd0adSFlorian Westphal #endif 5406bc506b4SIdo Schimmel 5416bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5426bc506b4SIdo Schimmel int offload_fwd_mark; 5436bc506b4SIdo Schimmel #endif 54468b7c895SHerbert Xu }; 54568b7c895SHerbert Xu 54668b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 54768b7c895SHerbert Xu 54832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 54932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 55032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 55132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 55232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 55332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 55428a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 55528a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 55628a16c97Sstephen hemminger 55728a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 55828a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 55928a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 56028a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 56128a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 56228a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 56328a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 56428a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 56528a16c97Sstephen hemminger 56628a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 56728a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 56828a16c97Sstephen hemminger 5691da177e4SLinus Torvalds /* called under bridge lock */ 5701da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5711da177e4SLinus Torvalds { 5721da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5731da177e4SLinus Torvalds } 5741da177e4SLinus Torvalds 5752594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 5762594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 5772594e906SNikolay Aleksandrov { 5782594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 5792594e906SNikolay Aleksandrov } 5802594e906SNikolay Aleksandrov 5812594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 5822594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 5832594e906SNikolay Aleksandrov { 5842594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 5852594e906SNikolay Aleksandrov } 5862594e906SNikolay Aleksandrov 5876be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5882594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5892594e906SNikolay Aleksandrov { 5902594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5912594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5922594e906SNikolay Aleksandrov return true; 5932594e906SNikolay Aleksandrov else 5942594e906SNikolay Aleksandrov return false; 5952594e906SNikolay Aleksandrov } 5962594e906SNikolay Aleksandrov 5972594e906SNikolay Aleksandrov return true; 5982594e906SNikolay Aleksandrov } 5992594e906SNikolay Aleksandrov 6005d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6015d1fcaf3SNikolay Aleksandrov { 6025d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6035d1fcaf3SNikolay Aleksandrov } 6045d1fcaf3SNikolay Aleksandrov 6058f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6065a46facbSNikolay Aleksandrov { 6078f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6088f4cc940SNikolay Aleksandrov 6098f4cc940SNikolay Aleksandrov if (!ret) 6108f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6118f4cc940SNikolay Aleksandrov 6128f4cc940SNikolay Aleksandrov return ret; 6135a46facbSNikolay Aleksandrov } 6145a46facbSNikolay Aleksandrov 6155a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6168f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6178f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6185a46facbSNikolay Aleksandrov { 6195a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6208f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6218f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6225a46facbSNikolay Aleksandrov return false; 6238f4cc940SNikolay Aleksandrov } 6245a46facbSNikolay Aleksandrov 6255a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6265a46facbSNikolay Aleksandrov * - it has range start flag 6275a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6285a46facbSNikolay Aleksandrov */ 6295a46facbSNikolay Aleksandrov if (last) { 6308f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6318f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6325a46facbSNikolay Aleksandrov return false; 6338f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6348f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6358f4cc940SNikolay Aleksandrov return false; 6368f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6378f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6388f4cc940SNikolay Aleksandrov return false; 6398f4cc940SNikolay Aleksandrov } 6408f4cc940SNikolay Aleksandrov } 6418f4cc940SNikolay Aleksandrov 6428f4cc940SNikolay Aleksandrov /* check for required range flags */ 6438f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6448f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6458f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6465a46facbSNikolay Aleksandrov return false; 6475a46facbSNikolay Aleksandrov } 6485a46facbSNikolay Aleksandrov 6495a46facbSNikolay Aleksandrov return true; 6505a46facbSNikolay Aleksandrov } 6515a46facbSNikolay Aleksandrov 652f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 653f545923bSNikolay Aleksandrov { 654f545923bSNikolay Aleksandrov switch (cmd) { 655f545923bSNikolay Aleksandrov case RTM_SETLINK: 656f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 657f545923bSNikolay Aleksandrov case RTM_DELLINK: 658f545923bSNikolay Aleksandrov return RTM_DELVLAN; 659f545923bSNikolay Aleksandrov } 660f545923bSNikolay Aleksandrov 661f545923bSNikolay Aleksandrov return 0; 662f545923bSNikolay Aleksandrov } 663f545923bSNikolay Aleksandrov 664ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 665ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 666ae75767eSNikolay Aleksandrov { 667ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 668ae75767eSNikolay Aleksandrov } 669ae75767eSNikolay Aleksandrov 670a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 671a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 672a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 673a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 674a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 675a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 676a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 677a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 678ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 679ae75767eSNikolay Aleksandrov 6801da177e4SLinus Torvalds /* br_device.c */ 681348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 682348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 683348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 684cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 68591d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 68691d2c34aSHerbert Xu struct sk_buff *skb) 68791d2c34aSHerbert Xu { 688f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 68991d2c34aSHerbert Xu } 69091d2c34aSHerbert Xu 691a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 692348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 69391d2c34aSHerbert Xu #else 6949f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 69591d2c34aSHerbert Xu struct sk_buff *skb) 69691d2c34aSHerbert Xu { 69791d2c34aSHerbert Xu } 69891d2c34aSHerbert Xu 699a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 70091d2c34aSHerbert Xu { 70191d2c34aSHerbert Xu return 0; 70291d2c34aSHerbert Xu } 70391d2c34aSHerbert Xu 70491d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 70591d2c34aSHerbert Xu { 70691d2c34aSHerbert Xu } 707cfb478daSstephen hemminger #endif 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds /* br_fdb.c */ 710348662a1SJoe Perches int br_fdb_init(void); 711348662a1SJoe Perches void br_fdb_fini(void); 712eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 713eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 714348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 715424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 716424bb9c9SToshiaki Makita const struct net_bridge_port *p, 717424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 718348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 719348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 720f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 721348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7221ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 723bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 724bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 725bfd0aeacSNikolay Aleksandrov __u16 vid); 726348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 727348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 728348662a1SJoe Perches unsigned long off); 729348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 730348662a1SJoe Perches const unsigned char *addr, u16 vid); 731348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 732be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 73377162022SJohn Fastabend 734348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 735f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 736348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 73787b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 73887b0984eSPetr Machata struct netlink_ext_ack *extack); 739348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 740d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 74147674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 74247674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 74347674562SRoopa Prabhu struct netlink_ext_ack *extack); 7448db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7458db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7463aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 747161d82deSPetr Machata const unsigned char *addr, u16 vid, 748161d82deSPetr Machata bool swdev_notify); 7493aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 750161d82deSPetr Machata const unsigned char *addr, u16 vid, 751161d82deSPetr Machata bool swdev_notify); 7529fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 753e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds /* br_forward.c */ 7568addd5e7SNikolay Aleksandrov enum br_pkt_type { 7578addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7588addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7598addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7608addd5e7SNikolay Aleksandrov }; 7610c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 762b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 76337b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7640c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 76537b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7668addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7671da177e4SLinus Torvalds 7687d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7697d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7707d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7717d850abdSNikolay Aleksandrov { 7727d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 7737d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 7747d850abdSNikolay Aleksandrov } 7757d850abdSNikolay Aleksandrov 7761da177e4SLinus Torvalds /* br_if.c */ 777faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 778348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 779348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 780ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 781ca752be0SDavid Ahern struct netlink_ext_ack *extack); 782348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 783804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 784348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 785c8f44affSMichał Mirosław netdev_features_t features); 786e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7872796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7882756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7891da177e4SLinus Torvalds 7901da177e4SLinus Torvalds /* br_input.c */ 7910c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 7929eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 7931da177e4SLinus Torvalds 79490c628ddSHenrik Bjoernlund struct br_frame_type { 79590c628ddSHenrik Bjoernlund __be16 type; 79690c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 79790c628ddSHenrik Bjoernlund struct sk_buff *skb); 79890c628ddSHenrik Bjoernlund struct hlist_node list; 79990c628ddSHenrik Bjoernlund }; 80090c628ddSHenrik Bjoernlund 80190c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 80290c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 80390c628ddSHenrik Bjoernlund 804859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 805859828c0SJiri Pirko { 8069eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 807859828c0SJiri Pirko } 808859828c0SJiri Pirko 8094d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8104d4fd361SPetr Machata { 8119eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8124d4fd361SPetr Machata } 8134d4fd361SPetr Machata 814859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 815859828c0SJiri Pirko { 816859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 817859828c0SJiri Pirko } 818859828c0SJiri Pirko 8194d4fd361SPetr Machata static inline struct net_bridge_port * 8204d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8214d4fd361SPetr Machata { 8224d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8234d4fd361SPetr Machata } 8244d4fd361SPetr Machata 8251da177e4SLinus Torvalds /* br_ioctl.c */ 826348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 827348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 828348662a1SJoe Perches void __user *arg); 8291da177e4SLinus Torvalds 830eb1d1641SHerbert Xu /* br_multicast.c */ 831eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 832adc47037SNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast *brmctx, 833adc47037SNikolay Aleksandrov struct net_bridge_mcast_port *pmctx, 834fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 835adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 836eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8371080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 838348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 839348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 840348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 841348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 842851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 843851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 844348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 845348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 846e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 847adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 848adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 849adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 850348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 851348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 852ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 853ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 854348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 855348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 8565e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 857aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 858aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 859aa2ae3e7SNikolay Aleksandrov #endif 860348662a1SJoe Perches struct net_bridge_mdb_entry * 86119e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 862348662a1SJoe Perches struct net_bridge_mdb_entry * 86319e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 864348662a1SJoe Perches struct net_bridge_port_group * 865348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 866762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 8678b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 8688f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 86919e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 87019e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 87181f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 87281f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 873949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 874949f1e39SSatish Ashok int type); 875681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 876681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 877681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 878adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 879adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 880a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 8811080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 882b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 8831080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 8841080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 8851080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 88619e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 88719e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 8881bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 8891bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 8908266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 8918266a049SNikolay Aleksandrov u8 filter_mode); 8928266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 8938266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 894474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 895474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 896d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 897d5a10222SNikolay Aleksandrov bool fastleave); 898613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 899613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 900613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 901613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 902613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 903613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 904613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 905613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 906*7b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 90785b35269SSridhar Samudrala 908955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 909955062b0SNikolay Aleksandrov { 910955062b0SNikolay Aleksandrov return group->proto == 0; 911955062b0SNikolay Aleksandrov } 912955062b0SNikolay Aleksandrov 913cfd56754SCong Wang #define mlock_dereference(X, br) \ 914cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 915cfd56754SCong Wang 91644ebb081SLinus Lüssing static inline struct hlist_node * 917adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 918adc47037SNikolay Aleksandrov struct sk_buff *skb) 919d3d065c0SNikolay Aleksandrov { 920a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 921a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 922d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 923a3c02e76SLinus Lüssing #endif 924d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 92544ebb081SLinus Lüssing } 92644ebb081SLinus Lüssing 92744ebb081SLinus Lüssing static inline struct net_bridge_port * 928d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 929d3d065c0SNikolay Aleksandrov { 9309632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9319632233eSNikolay Aleksandrov 932a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 933a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9349632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9359632233eSNikolay Aleksandrov ip6_rlist); 9369632233eSNikolay Aleksandrov else 937a3c02e76SLinus Lüssing #endif 9389632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9399632233eSNikolay Aleksandrov ip4_rlist); 9409632233eSNikolay Aleksandrov 9419632233eSNikolay Aleksandrov if (mctx) 9429632233eSNikolay Aleksandrov return mctx->port; 9439632233eSNikolay Aleksandrov else 9449632233eSNikolay Aleksandrov return NULL; 94544ebb081SLinus Lüssing } 94644ebb081SLinus Lüssing 947d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 94885b35269SSridhar Samudrala { 949d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 9501a3065a2SLinus Lüssing } 9511a3065a2SLinus Lüssing 952d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 9531a3065a2SLinus Lüssing { 9541a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 955d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 9561a3065a2SLinus Lüssing #else 9571a3065a2SLinus Lüssing return false; 9581a3065a2SLinus Lüssing #endif 9591a3065a2SLinus Lüssing } 9601a3065a2SLinus Lüssing 9611a3065a2SLinus Lüssing static inline bool 962adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 9631a3065a2SLinus Lüssing { 964d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 9651a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 9661a3065a2SLinus Lüssing return true; 9671a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 9681a3065a2SLinus Lüssing if (skb) { 9691a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 970d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 9711a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 972d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 9731a3065a2SLinus Lüssing } else { 974d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 975d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 9761a3065a2SLinus Lüssing } 9771a3065a2SLinus Lüssing fallthrough; 9781a3065a2SLinus Lüssing default: 9791a3065a2SLinus Lüssing return false; 9801a3065a2SLinus Lüssing } 98185b35269SSridhar Samudrala } 982b00589afSLinus Lüssing 983cc0fdd80SLinus Lüssing static inline bool 984adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 9850888d5f3Sdaniel struct bridge_mcast_other_query *querier, 9860888d5f3Sdaniel const bool is_ipv6) 987b00589afSLinus Lüssing { 9880888d5f3Sdaniel bool own_querier_enabled; 9890888d5f3Sdaniel 990adc47037SNikolay Aleksandrov if (br_opt_get(brmctx->br, BROPT_MULTICAST_QUERIER)) { 991adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 9920888d5f3Sdaniel own_querier_enabled = false; 9930888d5f3Sdaniel else 9940888d5f3Sdaniel own_querier_enabled = true; 9950888d5f3Sdaniel } else { 9960888d5f3Sdaniel own_querier_enabled = false; 9970888d5f3Sdaniel } 9980888d5f3Sdaniel 999cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10000888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1001cc0fdd80SLinus Lüssing } 1002cc0fdd80SLinus Lüssing 1003adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1004955062b0SNikolay Aleksandrov struct ethhdr *eth, 1005955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1006cc0fdd80SLinus Lüssing { 1007cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1008cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1009adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1010adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1011cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1012cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1013adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1014adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1015cc0fdd80SLinus Lüssing #endif 1016cc0fdd80SLinus Lüssing default: 1017955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1018cc0fdd80SLinus Lüssing } 1019b00589afSLinus Lüssing } 10201080ab95SNikolay Aleksandrov 102188d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 102288d4bd18SNikolay Aleksandrov { 102388d4bd18SNikolay Aleksandrov switch (ip->proto) { 102488d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 102588d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 102688d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 102788d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 102888d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 102988d4bd18SNikolay Aleksandrov #endif 103088d4bd18SNikolay Aleksandrov default: 103188d4bd18SNikolay Aleksandrov return false; 103288d4bd18SNikolay Aleksandrov } 103388d4bd18SNikolay Aleksandrov } 103488d4bd18SNikolay Aleksandrov 1035adc47037SNikolay Aleksandrov static inline bool 1036adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10378266a049SNikolay Aleksandrov __be16 proto) 10388266a049SNikolay Aleksandrov { 10398266a049SNikolay Aleksandrov switch (proto) { 10408266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1041adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 10428266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 10438266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1044adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 10458266a049SNikolay Aleksandrov #endif 10468266a049SNikolay Aleksandrov default: 10478266a049SNikolay Aleksandrov return false; 10488266a049SNikolay Aleksandrov } 10498266a049SNikolay Aleksandrov } 10508266a049SNikolay Aleksandrov 10511080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 10521080ab95SNikolay Aleksandrov { 10531080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 10541080ab95SNikolay Aleksandrov } 105542c11ccfSNikolay Aleksandrov 1056adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 105742c11ccfSNikolay Aleksandrov { 1058adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1059adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 106042c11ccfSNikolay Aleksandrov } 10610436862eSNikolay Aleksandrov 1062adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 10630436862eSNikolay Aleksandrov { 10640436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 1065adc47037SNikolay Aleksandrov return 2 * brmctx->multicast_query_interval + 1066adc47037SNikolay Aleksandrov brmctx->multicast_query_response_interval; 10670436862eSNikolay Aleksandrov } 1068*7b54aaafSNikolay Aleksandrov 1069*7b54aaafSNikolay Aleksandrov static inline bool 1070*7b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 1071*7b54aaafSNikolay Aleksandrov { 1072*7b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 1073*7b54aaafSNikolay Aleksandrov } 1074*7b54aaafSNikolay Aleksandrov 1075*7b54aaafSNikolay Aleksandrov static inline bool 1076*7b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 1077*7b54aaafSNikolay Aleksandrov { 1078*7b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 1079*7b54aaafSNikolay Aleksandrov } 1080*7b54aaafSNikolay Aleksandrov 1081*7b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 1082*7b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 1083*7b54aaafSNikolay Aleksandrov { 1084*7b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 1085*7b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 1086*7b54aaafSNikolay Aleksandrov else 1087*7b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 1088*7b54aaafSNikolay Aleksandrov } 1089*7b54aaafSNikolay Aleksandrov 1090*7b54aaafSNikolay Aleksandrov static inline bool 1091*7b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 1092*7b54aaafSNikolay Aleksandrov { 1093*7b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1094*7b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 1095*7b54aaafSNikolay Aleksandrov } 1096*7b54aaafSNikolay Aleksandrov 1097*7b54aaafSNikolay Aleksandrov static inline bool 1098*7b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 1099*7b54aaafSNikolay Aleksandrov { 1100*7b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1101*7b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 1102*7b54aaafSNikolay Aleksandrov } 1103*7b54aaafSNikolay Aleksandrov 1104*7b54aaafSNikolay Aleksandrov static inline bool 1105*7b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 1106*7b54aaafSNikolay Aleksandrov { 1107*7b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 1108*7b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 1109*7b54aaafSNikolay Aleksandrov } 1110eb1d1641SHerbert Xu #else 1111adc47037SNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast *brmctx, 1112adc47037SNikolay Aleksandrov struct net_bridge_mcast_port *pmctx, 111306499098SVlad Yasevich struct sk_buff *skb, 111406499098SVlad Yasevich u16 vid) 1115eb1d1641SHerbert Xu { 1116eb1d1641SHerbert Xu return 0; 1117eb1d1641SHerbert Xu } 1118eb1d1641SHerbert Xu 1119adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1120fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1121eb1d1641SHerbert Xu { 1122eb1d1641SHerbert Xu return NULL; 1123eb1d1641SHerbert Xu } 1124eb1d1641SHerbert Xu 11251080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1126eb1d1641SHerbert Xu { 11271080ab95SNikolay Aleksandrov return 0; 1128eb1d1641SHerbert Xu } 1129eb1d1641SHerbert Xu 1130eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1131eb1d1641SHerbert Xu { 1132eb1d1641SHerbert Xu } 1133eb1d1641SHerbert Xu 1134eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1135eb1d1641SHerbert Xu { 1136eb1d1641SHerbert Xu } 1137eb1d1641SHerbert Xu 1138eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1139eb1d1641SHerbert Xu { 1140eb1d1641SHerbert Xu } 1141eb1d1641SHerbert Xu 1142eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1143eb1d1641SHerbert Xu { 1144eb1d1641SHerbert Xu } 1145eb1d1641SHerbert Xu 1146851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1147851d0a73SJoseph Huang { 1148851d0a73SJoseph Huang } 1149851d0a73SJoseph Huang 1150851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1151851d0a73SJoseph Huang { 1152851d0a73SJoseph Huang } 1153851d0a73SJoseph Huang 1154eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1155eb1d1641SHerbert Xu { 1156eb1d1641SHerbert Xu } 1157eb1d1641SHerbert Xu 1158eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1159eb1d1641SHerbert Xu { 1160eb1d1641SHerbert Xu } 11615cb5e947SHerbert Xu 1162a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1163a7ce45a7SNikolay Aleksandrov { 1164a7ce45a7SNikolay Aleksandrov } 1165a7ce45a7SNikolay Aleksandrov 116637b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 116737b090e6SNikolay Aleksandrov struct sk_buff *skb, 1168adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 116937b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 11705cb5e947SHerbert Xu { 11715cb5e947SHerbert Xu } 11725cb5e947SHerbert Xu 1173adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1174bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1175eb1d1641SHerbert Xu { 117603aaa9e2SGustavo A. R. Silva return false; 1177eb1d1641SHerbert Xu } 117837b090e6SNikolay Aleksandrov 1179adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1180c43fd36fSVladimir Oltean struct ethhdr *eth, 1181c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1182b00589afSLinus Lüssing { 1183b00589afSLinus Lüssing return false; 1184b00589afSLinus Lüssing } 118537b090e6SNikolay Aleksandrov 1186fdb184d1SRami Rosen static inline void br_mdb_init(void) 1187fdb184d1SRami Rosen { 1188fdb184d1SRami Rosen } 118937b090e6SNikolay Aleksandrov 1190fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1191fdb184d1SRami Rosen { 1192fdb184d1SRami Rosen } 11931080ab95SNikolay Aleksandrov 119419e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 119519e3a9c9SNikolay Aleksandrov { 119619e3a9c9SNikolay Aleksandrov return 0; 119719e3a9c9SNikolay Aleksandrov } 119819e3a9c9SNikolay Aleksandrov 119919e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 120019e3a9c9SNikolay Aleksandrov { 120119e3a9c9SNikolay Aleksandrov } 120219e3a9c9SNikolay Aleksandrov 12031080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 12041080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1205a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1206a65056ecSNikolay Aleksandrov u8 type, u8 dir) 12071080ab95SNikolay Aleksandrov { 12081080ab95SNikolay Aleksandrov } 12091080ab95SNikolay Aleksandrov 12101080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 12111080ab95SNikolay Aleksandrov { 12121080ab95SNikolay Aleksandrov return 0; 12131080ab95SNikolay Aleksandrov } 12141080ab95SNikolay Aleksandrov 1215b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1216b6fe0440SIdo Schimmel { 1217b6fe0440SIdo Schimmel } 1218b6fe0440SIdo Schimmel 12191080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 12201080ab95SNikolay Aleksandrov { 12211080ab95SNikolay Aleksandrov return 0; 12221080ab95SNikolay Aleksandrov } 1223613d61dbSNikolay Aleksandrov 1224613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1225613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1226613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1227613d61dbSNikolay Aleksandrov { 1228613d61dbSNikolay Aleksandrov } 1229613d61dbSNikolay Aleksandrov 1230613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1231613d61dbSNikolay Aleksandrov { 1232613d61dbSNikolay Aleksandrov } 1233613d61dbSNikolay Aleksandrov 1234613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1235613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1236613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1237613d61dbSNikolay Aleksandrov { 1238613d61dbSNikolay Aleksandrov } 1239613d61dbSNikolay Aleksandrov 1240613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1241613d61dbSNikolay Aleksandrov { 1242613d61dbSNikolay Aleksandrov } 1243*7b54aaafSNikolay Aleksandrov 1244*7b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 1245*7b54aaafSNikolay Aleksandrov bool on) 1246*7b54aaafSNikolay Aleksandrov { 1247*7b54aaafSNikolay Aleksandrov } 124885b35269SSridhar Samudrala #endif 1249eb1d1641SHerbert Xu 1250243a2e63SVlad Yasevich /* br_vlan.c */ 1251243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 125277751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 125377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1254a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 125577751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 125685f46c6bSVlad Yasevich const struct sk_buff *skb); 1257e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1258348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 125911538d03SRoopa Prabhu const struct net_bridge_port *port, 12602594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 126178851988SVlad Yasevich struct sk_buff *skb); 1262f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1263169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1264348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1265348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 12662594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1267204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 12689e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 12699e781401SVladimir Oltean struct netlink_ext_ack *extack); 1270dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1271dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 12729e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 12739e781401SVladimir Oltean struct netlink_ext_ack *extack); 12746dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 12759163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 12765be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 12779e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 12789e781401SVladimir Oltean struct netlink_ext_ack *extack); 1279169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1280169327d5SPetr Machata struct netlink_ext_ack *extack); 1281f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1282169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1283348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1284348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1285169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 12862594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1287a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1288281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 12899c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1290091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 12919c0ec2e7SMike Manning void *ptr); 12928dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 12938dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1294cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1295cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1296cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1297cf5bddb9SNikolay Aleksandrov int cmd); 1298a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1299a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1300a37b85c9SVlad Yasevich 1301bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1302bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1303bcf2766bSFelix Fietkau struct net_device_path *path); 1304bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1305bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1306bcf2766bSFelix Fietkau struct net_device_path *path); 1307bcf2766bSFelix Fietkau 13082594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1309a37b85c9SVlad Yasevich const struct net_bridge *br) 1310a37b85c9SVlad Yasevich { 1311907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1312a37b85c9SVlad Yasevich } 1313a37b85c9SVlad Yasevich 13142594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1315a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1316a37b85c9SVlad Yasevich { 1317907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1318907b1e6eSNikolay Aleksandrov } 1319907b1e6eSNikolay Aleksandrov 1320907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1321907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1322907b1e6eSNikolay Aleksandrov { 1323907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1324907b1e6eSNikolay Aleksandrov } 1325907b1e6eSNikolay Aleksandrov 1326907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1327907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1328907b1e6eSNikolay Aleksandrov { 1329907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1330a37b85c9SVlad Yasevich } 1331a37b85c9SVlad Yasevich 1332a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1333a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1334a37b85c9SVlad Yasevich */ 1335a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1336a37b85c9SVlad Yasevich { 1337a37b85c9SVlad Yasevich int err = 0; 1338a37b85c9SVlad Yasevich 13392594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 13405978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 13412594e906SNikolay Aleksandrov } else { 1342a37b85c9SVlad Yasevich *vid = 0; 1343a37b85c9SVlad Yasevich err = -EINVAL; 1344a37b85c9SVlad Yasevich } 1345a37b85c9SVlad Yasevich 1346a37b85c9SVlad Yasevich return err; 1347a37b85c9SVlad Yasevich } 134878851988SVlad Yasevich 134977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 135078851988SVlad Yasevich { 135177751ee8SNikolay Aleksandrov if (!vg) 13525be5a2dfSVlad Yasevich return 0; 13535be5a2dfSVlad Yasevich 135478851988SVlad Yasevich smp_rmb(); 135577751ee8SNikolay Aleksandrov return vg->pvid; 135678851988SVlad Yasevich } 135778851988SVlad Yasevich 13588dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 13598dcea187SNikolay Aleksandrov { 13608dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 13618dcea187SNikolay Aleksandrov } 1362243a2e63SVlad Yasevich #else 136377751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 136477751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 13652594e906SNikolay Aleksandrov struct sk_buff *skb, 1366a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 13672594e906SNikolay Aleksandrov { 13682594e906SNikolay Aleksandrov return true; 13692594e906SNikolay Aleksandrov } 13702594e906SNikolay Aleksandrov 13712594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 137285f46c6bSVlad Yasevich const struct sk_buff *skb) 137385f46c6bSVlad Yasevich { 137485f46c6bSVlad Yasevich return true; 137585f46c6bSVlad Yasevich } 137685f46c6bSVlad Yasevich 1377e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1378e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1379e0d7968aSToshiaki Makita { 1380e0d7968aSToshiaki Makita return true; 1381e0d7968aSToshiaki Makita } 1382e0d7968aSToshiaki Makita 138378851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 138411538d03SRoopa Prabhu const struct net_bridge_port *port, 13852594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 138678851988SVlad Yasevich struct sk_buff *skb) 138778851988SVlad Yasevich { 138878851988SVlad Yasevich return skb; 138978851988SVlad Yasevich } 139078851988SVlad Yasevich 1391f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1392169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1393243a2e63SVlad Yasevich { 1394f418af63SNikolay Aleksandrov *changed = false; 1395243a2e63SVlad Yasevich return -EOPNOTSUPP; 1396243a2e63SVlad Yasevich } 1397243a2e63SVlad Yasevich 1398243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1399243a2e63SVlad Yasevich { 1400243a2e63SVlad Yasevich return -EOPNOTSUPP; 1401243a2e63SVlad Yasevich } 1402243a2e63SVlad Yasevich 1403243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1404243a2e63SVlad Yasevich { 1405243a2e63SVlad Yasevich } 1406243a2e63SVlad Yasevich 1407204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1408204177f3SToshiaki Makita { 1409204177f3SToshiaki Makita } 1410204177f3SToshiaki Makita 14115be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 14128580e211SToshiaki Makita { 14135be5a2dfSVlad Yasevich return 0; 14148580e211SToshiaki Makita } 14158580e211SToshiaki Makita 1416f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1417169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1418243a2e63SVlad Yasevich { 1419f418af63SNikolay Aleksandrov *changed = false; 1420243a2e63SVlad Yasevich return -EOPNOTSUPP; 1421243a2e63SVlad Yasevich } 1422243a2e63SVlad Yasevich 1423243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1424243a2e63SVlad Yasevich { 1425243a2e63SVlad Yasevich return -EOPNOTSUPP; 1426243a2e63SVlad Yasevich } 1427243a2e63SVlad Yasevich 1428243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1429243a2e63SVlad Yasevich { 1430243a2e63SVlad Yasevich } 1431243a2e63SVlad Yasevich 14322594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 14332594e906SNikolay Aleksandrov u16 vid) 1434a37b85c9SVlad Yasevich { 1435a37b85c9SVlad Yasevich return NULL; 1436a37b85c9SVlad Yasevich } 1437bc9a25d2SVlad Yasevich 1438169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1439169327d5SPetr Machata struct netlink_ext_ack *extack) 14405be5a2dfSVlad Yasevich { 14415be5a2dfSVlad Yasevich return 0; 14425be5a2dfSVlad Yasevich } 14435be5a2dfSVlad Yasevich 144478851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1445a37b85c9SVlad Yasevich { 1446a37b85c9SVlad Yasevich return 0; 1447a37b85c9SVlad Yasevich } 14482594e906SNikolay Aleksandrov 144977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 145078851988SVlad Yasevich { 14513df6bf45SVlad Yasevich return 0; 145278851988SVlad Yasevich } 14532796d0c6SVlad Yasevich 14547a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1455c97f47e3SVladimir Oltean unsigned long val, 1456c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1457a7854037SNikolay Aleksandrov { 1458a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1459a7854037SNikolay Aleksandrov } 14602594e906SNikolay Aleksandrov 14612594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 14622594e906SNikolay Aleksandrov u32 filter_mask) 14632594e906SNikolay Aleksandrov { 14642594e906SNikolay Aleksandrov return 0; 14652594e906SNikolay Aleksandrov } 14662594e906SNikolay Aleksandrov 1467bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1468bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1469bcf2766bSFelix Fietkau struct net_device_path *path) 1470bcf2766bSFelix Fietkau { 1471bcf2766bSFelix Fietkau } 1472bcf2766bSFelix Fietkau 1473bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1474bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1475bcf2766bSFelix Fietkau struct net_device_path *path) 1476bcf2766bSFelix Fietkau { 1477bcf2766bSFelix Fietkau return 0; 1478bcf2766bSFelix Fietkau } 1479bcf2766bSFelix Fietkau 14802594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 14812594e906SNikolay Aleksandrov const struct net_bridge *br) 14822594e906SNikolay Aleksandrov { 14832594e906SNikolay Aleksandrov return NULL; 14842594e906SNikolay Aleksandrov } 14852594e906SNikolay Aleksandrov 14862594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 14872594e906SNikolay Aleksandrov const struct net_bridge_port *p) 14882594e906SNikolay Aleksandrov { 14892594e906SNikolay Aleksandrov return NULL; 14902594e906SNikolay Aleksandrov } 1491907b1e6eSNikolay Aleksandrov 1492907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1493907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1494907b1e6eSNikolay Aleksandrov { 1495907b1e6eSNikolay Aleksandrov return NULL; 1496907b1e6eSNikolay Aleksandrov } 1497907b1e6eSNikolay Aleksandrov 1498907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1499907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1500907b1e6eSNikolay Aleksandrov { 1501907b1e6eSNikolay Aleksandrov return NULL; 1502907b1e6eSNikolay Aleksandrov } 1503a60c0903SNikolay Aleksandrov 1504a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1505281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1506a60c0903SNikolay Aleksandrov { 1507a60c0903SNikolay Aleksandrov } 15089c0ec2e7SMike Manning 15099c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 15109c0ec2e7SMike Manning unsigned long event) 15119c0ec2e7SMike Manning { 15129c0ec2e7SMike Manning } 15139c0ec2e7SMike Manning 1514091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 15159c0ec2e7SMike Manning unsigned long event, void *ptr) 15169c0ec2e7SMike Manning { 1517091adf9bSNikolay Aleksandrov return 0; 15189c0ec2e7SMike Manning } 15198dcea187SNikolay Aleksandrov 15208dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 15218dcea187SNikolay Aleksandrov { 15228dcea187SNikolay Aleksandrov } 15238dcea187SNikolay Aleksandrov 15248dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 15258dcea187SNikolay Aleksandrov { 15268dcea187SNikolay Aleksandrov } 1527cf5bddb9SNikolay Aleksandrov 1528cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1529cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1530cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1531cf5bddb9SNikolay Aleksandrov int cmd) 1532cf5bddb9SNikolay Aleksandrov { 1533cf5bddb9SNikolay Aleksandrov } 1534528ae84aSNikolay Aleksandrov 1535528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1536528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1537528ae84aSNikolay Aleksandrov { 1538528ae84aSNikolay Aleksandrov return true; 1539528ae84aSNikolay Aleksandrov } 1540243a2e63SVlad Yasevich #endif 1541243a2e63SVlad Yasevich 15427a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 15437a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 154499f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 154599f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 15467a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 15477a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1548a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1549a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1550a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1551a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1552a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1553a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1554a580c76dSNikolay Aleksandrov 1555a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1556a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1557a580c76dSNikolay Aleksandrov { 1558a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1559a580c76dSNikolay Aleksandrov } 1560a580c76dSNikolay Aleksandrov 1561a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1562a580c76dSNikolay Aleksandrov { 1563a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1564a580c76dSNikolay Aleksandrov } 1565a580c76dSNikolay Aleksandrov 1566a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1567a580c76dSNikolay Aleksandrov { 1568a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1569a580c76dSNikolay Aleksandrov } 1570a580c76dSNikolay Aleksandrov 1571a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1572a580c76dSNikolay Aleksandrov u8 state) 1573a580c76dSNikolay Aleksandrov { 1574a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1575a580c76dSNikolay Aleksandrov } 1576a580c76dSNikolay Aleksandrov 1577a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1578a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1579a580c76dSNikolay Aleksandrov { 1580a580c76dSNikolay Aleksandrov switch (state) { 1581a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1582a580c76dSNikolay Aleksandrov return learn_allow; 1583a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1584a580c76dSNikolay Aleksandrov return true; 1585a580c76dSNikolay Aleksandrov default: 1586a580c76dSNikolay Aleksandrov return false; 1587a580c76dSNikolay Aleksandrov } 1588a580c76dSNikolay Aleksandrov } 15897a53e718SNikolay Aleksandrov #endif 15907a53e718SNikolay Aleksandrov 15911a4ba64dSPablo Neira Ayuso struct nf_br_ops { 15921a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 15931a4ba64dSPablo Neira Ayuso }; 15941a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 15951a4ba64dSPablo Neira Ayuso 15961da177e4SLinus Torvalds /* br_netfilter.c */ 159734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 159834666d46SPablo Neira Ayuso int br_nf_core_init(void); 159934666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1600348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1601c0909713SStephen Hemminger #else 160234666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 160334666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 16044adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1605c0909713SStephen Hemminger #endif 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvalds /* br_stp.c */ 1608775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1609348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1610348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1611348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 16121da177e4SLinus Torvalds 1613348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1614348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1615348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1616348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 161782dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 16189e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 161914f98f25Sstephen hemminger 162014f98f25Sstephen hemminger 16211da177e4SLinus Torvalds /* br_stp_if.c */ 1622348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1623348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1624419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1625419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1626348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1627348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1628348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1629348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1630348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1631348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1632348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1633348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 16341da177e4SLinus Torvalds 16351da177e4SLinus Torvalds /* br_stp_bpdu.c */ 16367c85fbf0SPatrick McHardy struct stp_proto; 1637348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 16387c85fbf0SPatrick McHardy struct net_device *dev); 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvalds /* br_stp_timer.c */ 1641348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1642348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1643348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 16441da177e4SLinus Torvalds 16451da177e4SLinus Torvalds /* br.c */ 1646e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1647da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1648da678292SMichał Mirosław #endif 16491da177e4SLinus Torvalds 165065369933SHoratiu Vultur /* br_mrp.c */ 165165369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 165265369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 165365369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 165465369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 165565369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1656df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 165765369933SHoratiu Vultur #else 165865369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 165965369933SHoratiu Vultur struct nlattr *attr, int cmd, 166065369933SHoratiu Vultur struct netlink_ext_ack *extack) 166165369933SHoratiu Vultur { 166265369933SHoratiu Vultur return -EOPNOTSUPP; 166365369933SHoratiu Vultur } 166465369933SHoratiu Vultur 166565369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 166665369933SHoratiu Vultur { 16678741e184SJason Yan return false; 166865369933SHoratiu Vultur } 166965369933SHoratiu Vultur 167065369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 167165369933SHoratiu Vultur struct net_bridge_port *p) 167265369933SHoratiu Vultur { 167365369933SHoratiu Vultur } 1674df42ef22SHoratiu Vultur 1675df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1676df42ef22SHoratiu Vultur { 1677df42ef22SHoratiu Vultur return 0; 1678df42ef22SHoratiu Vultur } 1679df42ef22SHoratiu Vultur 168065369933SHoratiu Vultur #endif 168165369933SHoratiu Vultur 16822be665c3SHenrik Bjoernlund /* br_cfm.c */ 168386a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 16842be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 16852be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 16862be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 168786a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 16885e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1689b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1690b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1691b6d0425bSHenrik Bjoernlund bool getlink); 1692b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1693b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 169486a14b79SHenrik Bjoernlund #else 16952be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 16962be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 16972be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 16982be665c3SHenrik Bjoernlund { 16992be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 17002be665c3SHenrik Bjoernlund } 17012be665c3SHenrik Bjoernlund 17022be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 17032be665c3SHenrik Bjoernlund { 17042be665c3SHenrik Bjoernlund return false; 17052be665c3SHenrik Bjoernlund } 17062be665c3SHenrik Bjoernlund 170786a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 170886a14b79SHenrik Bjoernlund struct net_bridge_port *p) 170986a14b79SHenrik Bjoernlund { 171086a14b79SHenrik Bjoernlund } 17115e312fc0SHenrik Bjoernlund 17125e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 17135e312fc0SHenrik Bjoernlund { 17145e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 17155e312fc0SHenrik Bjoernlund } 1716e77824d8SHenrik Bjoernlund 1717b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1718b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1719b6d0425bSHenrik Bjoernlund bool getlink) 1720b6d0425bSHenrik Bjoernlund { 1721b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1722b6d0425bSHenrik Bjoernlund } 1723b6d0425bSHenrik Bjoernlund 1724b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1725b6d0425bSHenrik Bjoernlund { 1726b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1727b6d0425bSHenrik Bjoernlund } 1728b6d0425bSHenrik Bjoernlund 1729b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1730e77824d8SHenrik Bjoernlund { 1731e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1732e77824d8SHenrik Bjoernlund } 173386a14b79SHenrik Bjoernlund #endif 173486a14b79SHenrik Bjoernlund 173511dc1f36SStephen Hemminger /* br_netlink.c */ 1736149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1737348662a1SJoe Perches int br_netlink_init(void); 1738348662a1SJoe Perches void br_netlink_fini(void); 173992899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 174092899063SNikolay Aleksandrov const struct net_bridge_port *port); 1741b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1742b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 17432fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 17442fd527b7SPetr Machata struct netlink_ext_ack *extack); 1745add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1746348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 174746c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1748f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1749f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1750f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1751f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1752f26b2965SNikolay Aleksandrov bool *changed, 1753f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 175411dc1f36SStephen Hemminger 17551da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 17561da177e4SLinus Torvalds /* br_sysfs_if.c */ 175752cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1758348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1759348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 17601da177e4SLinus Torvalds 17611da177e4SLinus Torvalds /* br_sysfs_br.c */ 1762348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1763348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 17641da177e4SLinus Torvalds 17651da177e4SLinus Torvalds #else 17661da177e4SLinus Torvalds 17670cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 17680cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 17690cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 17700cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 17711da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 17721da177e4SLinus Torvalds 17736bc506b4SIdo Schimmel /* br_switchdev.c */ 17746bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 17756bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 17766bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 17776bc506b4SIdo Schimmel struct sk_buff *skb); 17786bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 17796bc506b4SIdo Schimmel const struct sk_buff *skb); 17803922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 17813922285dSArkadi Sharshevsky unsigned long flags, 1782078bbb85SVladimir Oltean unsigned long mask, 1783078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 17846eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 17856eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1786169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1787169327d5SPetr Machata struct netlink_ext_ack *extack); 1788d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1789f1c2eddfSIdo Schimmel 1790f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1791f1c2eddfSIdo Schimmel { 1792f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1793f1c2eddfSIdo Schimmel } 17946bc506b4SIdo Schimmel #else 17956bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 17966bc506b4SIdo Schimmel { 17976bc506b4SIdo Schimmel return 0; 17986bc506b4SIdo Schimmel } 17996bc506b4SIdo Schimmel 18006bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 18016bc506b4SIdo Schimmel struct sk_buff *skb) 18026bc506b4SIdo Schimmel { 18036bc506b4SIdo Schimmel } 18046bc506b4SIdo Schimmel 18056bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 18066bc506b4SIdo Schimmel const struct sk_buff *skb) 18076bc506b4SIdo Schimmel { 18086bc506b4SIdo Schimmel return true; 18096bc506b4SIdo Schimmel } 18103922285dSArkadi Sharshevsky 18113922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 18123922285dSArkadi Sharshevsky unsigned long flags, 1813078bbb85SVladimir Oltean unsigned long mask, 1814078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 18153922285dSArkadi Sharshevsky { 18163922285dSArkadi Sharshevsky return 0; 18173922285dSArkadi Sharshevsky } 18186b26b51bSArkadi Sharshevsky 1819d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1820169327d5SPetr Machata u16 vid, u16 flags, 1821169327d5SPetr Machata struct netlink_ext_ack *extack) 1822d66e4348SPetr Machata { 1823d66e4348SPetr Machata return -EOPNOTSUPP; 1824d66e4348SPetr Machata } 1825d66e4348SPetr Machata 1826d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1827d66e4348SPetr Machata { 1828d66e4348SPetr Machata return -EOPNOTSUPP; 1829d66e4348SPetr Machata } 1830d66e4348SPetr Machata 18316b26b51bSArkadi Sharshevsky static inline void 18326eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 18336eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 18346b26b51bSArkadi Sharshevsky { 18356b26b51bSArkadi Sharshevsky } 1836f1c2eddfSIdo Schimmel 1837f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1838f1c2eddfSIdo Schimmel { 1839f1c2eddfSIdo Schimmel } 18406bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 18416bc506b4SIdo Schimmel 1842057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1843821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1844057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1845057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1846ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1847ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1848ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 18491da177e4SLinus Torvalds #endif 1850