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; 96*613d61dbSNikolay 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; 114*613d61dbSNikolay 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), 1549d332e69SNikolay Aleksandrov }; 1559d332e69SNikolay Aleksandrov 1562594e906SNikolay Aleksandrov /** 1572594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1582594e906SNikolay Aleksandrov * 1592594e906SNikolay Aleksandrov * @vnode: rhashtable member 1602594e906SNikolay Aleksandrov * @vid: VLAN id 1612594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1629d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 163a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1646dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1652594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1662594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1672594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1682594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1692594e906SNikolay Aleksandrov * for this VLAN entry 170*613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 171*613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 172*613d61dbSNikolay Aleksandrov * context 1732594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1742594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1752594e906SNikolay Aleksandrov * 1762594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1772594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1782594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1792594e906SNikolay Aleksandrov * the entry flags that are set. 1802594e906SNikolay Aleksandrov */ 1812594e906SNikolay Aleksandrov struct net_bridge_vlan { 1822594e906SNikolay Aleksandrov struct rhash_head vnode; 183efa5356bSRoopa Prabhu struct rhash_head tnode; 1842594e906SNikolay Aleksandrov u16 vid; 1852594e906SNikolay Aleksandrov u16 flags; 1869d332e69SNikolay Aleksandrov u16 priv_flags; 187a580c76dSNikolay Aleksandrov u8 state; 188281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 189243a2e63SVlad Yasevich union { 190243a2e63SVlad Yasevich struct net_bridge *br; 1912594e906SNikolay Aleksandrov struct net_bridge_port *port; 1922594e906SNikolay Aleksandrov }; 1932594e906SNikolay Aleksandrov union { 19425127759SReshetova, Elena refcount_t refcnt; 1952594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1962594e906SNikolay Aleksandrov }; 197efa5356bSRoopa Prabhu 198efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 199efa5356bSRoopa Prabhu 200*613d61dbSNikolay Aleksandrov union { 201*613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 202*613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 203*613d61dbSNikolay Aleksandrov }; 204*613d61dbSNikolay Aleksandrov 2052594e906SNikolay Aleksandrov struct list_head vlist; 2062594e906SNikolay Aleksandrov 207243a2e63SVlad Yasevich struct rcu_head rcu; 2082594e906SNikolay Aleksandrov }; 2092594e906SNikolay Aleksandrov 2102594e906SNikolay Aleksandrov /** 2112594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2122594e906SNikolay Aleksandrov * 2132594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2142594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2152594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 21677751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 217a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2182594e906SNikolay Aleksandrov * 2192594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2202594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2212594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2222594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2232594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2242594e906SNikolay Aleksandrov */ 2252594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2262594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 227efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2282594e906SNikolay Aleksandrov struct list_head vlan_list; 2296cbdceebSVlad Yasevich u16 num_vlans; 23077751ee8SNikolay Aleksandrov u16 pvid; 231a580c76dSNikolay Aleksandrov u8 pvid_state; 232243a2e63SVlad Yasevich }; 233243a2e63SVlad Yasevich 2346869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2356869c3b0SNikolay Aleksandrov enum { 2366869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 23729e63fffSNikolay Aleksandrov BR_FDB_STATIC, 238e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 239ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 240b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 241d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 24231cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 24331cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2446869c3b0SNikolay Aleksandrov }; 2456869c3b0SNikolay Aleksandrov 246eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 247eb793583SNikolay Aleksandrov mac_addr addr; 248eb793583SNikolay Aleksandrov u16 vlan_id; 249eb793583SNikolay Aleksandrov }; 250eb793583SNikolay Aleksandrov 2511214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 252eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2531da177e4SLinus Torvalds struct net_bridge_port *dst; 2541da177e4SLinus Torvalds 255eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 256eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2576869c3b0SNikolay Aleksandrov unsigned long flags; 2581214628cSNikolay Aleksandrov 2591214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2601214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2611214628cSNikolay Aleksandrov unsigned long used; 2621214628cSNikolay Aleksandrov 263b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2641da177e4SLinus Torvalds }; 2651da177e4SLinus Torvalds 2669d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2679d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2683247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2698266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2709116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2719d06b6d8SElad Raz 2728b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2738b671779SNikolay Aleksandrov 2748b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2758b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 276b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2778b671779SNikolay Aleksandrov 278e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 279e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 280e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 281e12cec65SNikolay Aleksandrov }; 282e12cec65SNikolay Aleksandrov 2838b671779SNikolay Aleksandrov struct net_bridge_group_src { 2848b671779SNikolay Aleksandrov struct hlist_node node; 2858b671779SNikolay Aleksandrov 2868b671779SNikolay Aleksandrov struct br_ip addr; 2878b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2888b671779SNikolay Aleksandrov u8 flags; 289438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2908b671779SNikolay Aleksandrov struct timer_list timer; 2918b671779SNikolay Aleksandrov 2928b671779SNikolay Aleksandrov struct net_bridge *br; 293e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2948b671779SNikolay Aleksandrov struct rcu_head rcu; 2958b671779SNikolay Aleksandrov }; 2968b671779SNikolay Aleksandrov 297085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 298eb1d1641SHerbert Xu struct net_bridge_port *port; 2998ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 300085b53c8SNikolay Aleksandrov }; 301085b53c8SNikolay Aleksandrov 302085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 303085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 304085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 305206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3069d06b6d8SElad Raz unsigned char flags; 3078b671779SNikolay Aleksandrov unsigned char filter_mode; 30842c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3098f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3106ec0d0eeSNikolay Aleksandrov 3118b671779SNikolay Aleksandrov struct hlist_head src_list; 3128b671779SNikolay Aleksandrov unsigned int src_ents; 3136ec0d0eeSNikolay Aleksandrov struct timer_list timer; 31442c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3156ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3168f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3178f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3186ec0d0eeSNikolay Aleksandrov 319085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 320e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3216ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 322eb1d1641SHerbert Xu }; 323eb1d1641SHerbert Xu 3241c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 32519e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 326eb1d1641SHerbert Xu struct net_bridge *br; 327e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3288ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 329ff0fd34eSAndrew Lunn bool host_joined; 3306ec0d0eeSNikolay Aleksandrov 3316ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33219e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3336ec0d0eeSNikolay Aleksandrov 334e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3356ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 336eb1d1641SHerbert Xu }; 337eb1d1641SHerbert Xu 3381f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3391da177e4SLinus Torvalds struct net_bridge *br; 3401da177e4SLinus Torvalds struct net_device *dev; 3411da177e4SLinus Torvalds struct list_head list; 3421da177e4SLinus Torvalds 3431f90c7f3SNikolay Aleksandrov unsigned long flags; 3441f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3451f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3461f90c7f3SNikolay Aleksandrov #endif 3472756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3481f90c7f3SNikolay Aleksandrov 3491da177e4SLinus Torvalds /* STP */ 3501da177e4SLinus Torvalds u8 priority; 3511da177e4SLinus Torvalds u8 state; 3521da177e4SLinus Torvalds u16 port_no; 3531da177e4SLinus Torvalds unsigned char topology_change_ack; 3541da177e4SLinus Torvalds unsigned char config_pending; 3551da177e4SLinus Torvalds port_id port_id; 3561da177e4SLinus Torvalds port_id designated_port; 3571da177e4SLinus Torvalds bridge_id designated_root; 3581da177e4SLinus Torvalds bridge_id designated_bridge; 3591da177e4SLinus Torvalds u32 path_cost; 3601da177e4SLinus Torvalds u32 designated_cost; 3610c03150eSstephen hemminger unsigned long designated_age; 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3641da177e4SLinus Torvalds struct timer_list hold_timer; 3651da177e4SLinus Torvalds struct timer_list message_age_timer; 3661da177e4SLinus Torvalds struct kobject kobj; 3671da177e4SLinus Torvalds struct rcu_head rcu; 3683982d3d2SFischer, Anna 3699632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3709632233eSNikolay Aleksandrov 371eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3729632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3739632233eSNikolay Aleksandrov 37489268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 37589268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 376eb1d1641SHerbert Xu struct hlist_head mglist; 377eb1d1641SHerbert Xu #endif 378e0f43752SSimon Arlott 379e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 380e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 381e0f43752SSimon Arlott #endif 38291d2c34aSHerbert Xu 38391d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 38491d2c34aSHerbert Xu struct netpoll *np; 38591d2c34aSHerbert Xu #endif 3866bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3876bc506b4SIdo Schimmel int offload_fwd_mark; 3886bc506b4SIdo Schimmel #endif 3895af48b59SNikolay Aleksandrov u16 group_fwd_mask; 3902756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 391de179966SVivien Didelot 392de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 3931da177e4SLinus Torvalds }; 3941da177e4SLinus Torvalds 395705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 396705e0deaSTyler Hicks 397e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 398f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 399e028e4b8SVlad Yasevich 400b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 401b5ed54e9Sstephen hemminger { 402716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 403b5ed54e9Sstephen hemminger } 404b5ed54e9Sstephen hemminger 4051fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 406b5ed54e9Sstephen hemminger { 40735f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 408ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 409b5ed54e9Sstephen hemminger } 410b5ed54e9Sstephen hemminger 4110baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4120baa10ffSArkadi Sharshevsky { 41335f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4140baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4150baa10ffSArkadi Sharshevsky } 4160baa10ffSArkadi Sharshevsky 417ae75767eSNikolay Aleksandrov enum net_bridge_opts { 418ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 419ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4208df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4218df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4228df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 423be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 42413cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 425675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 426675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 427675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 428675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 429c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4303341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4319163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 43270e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4339c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 434ae75767eSNikolay Aleksandrov }; 435ae75767eSNikolay Aleksandrov 4361f90c7f3SNikolay Aleksandrov struct net_bridge { 4371da177e4SLinus Torvalds spinlock_t lock; 4381f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 43990c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4401da177e4SLinus Torvalds struct net_device *dev; 441ae75767eSNikolay Aleksandrov unsigned long options; 4421f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4431f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4441f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4451f90c7f3SNikolay Aleksandrov u16 default_pvid; 4461f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4471f90c7f3SNikolay Aleksandrov #endif 4481f90c7f3SNikolay Aleksandrov 449eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 45090c628ddSHenrik Bjoernlund struct list_head port_list; 45134666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 452efb6de9bSBernhard Thaler union { 4534adf0af6SSimon Wunderlich struct rtable fake_rtable; 454efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 455efb6de9bSBernhard Thaler }; 4564adf0af6SSimon Wunderlich #endif 457515853ccSstephen hemminger u16 group_fwd_mask; 458f2808d22SToshiaki Makita u16 group_fwd_mask_required; 459515853ccSstephen hemminger 4601da177e4SLinus Torvalds /* STP */ 4611da177e4SLinus Torvalds bridge_id designated_root; 4621da177e4SLinus Torvalds bridge_id bridge_id; 4631f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4641f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4651f90c7f3SNikolay Aleksandrov u16 root_port; 4661da177e4SLinus Torvalds unsigned long max_age; 4671da177e4SLinus Torvalds unsigned long hello_time; 4681da177e4SLinus Torvalds unsigned long forward_delay; 4691da177e4SLinus Torvalds unsigned long ageing_time; 47034d8acd8SVivien Didelot unsigned long bridge_max_age; 4711da177e4SLinus Torvalds unsigned long bridge_hello_time; 4721da177e4SLinus Torvalds unsigned long bridge_forward_delay; 47334d8acd8SVivien Didelot unsigned long bridge_ageing_time; 47435750b0bSNikolay Aleksandrov u32 root_path_cost; 4751da177e4SLinus Torvalds 476fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4779cde0708SStephen Hemminger 4789cde0708SStephen Hemminger enum { 4799cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4809cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4819cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4829cde0708SStephen Hemminger } stp_enabled; 4839cde0708SStephen Hemminger 484d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 485d3d065c0SNikolay Aleksandrov 486eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 487d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 488eb1d1641SHerbert Xu 489eb1d1641SHerbert Xu u32 hash_max; 490eb1d1641SHerbert Xu 49135750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 492eb1d1641SHerbert Xu 49319e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 494085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 49519e3a9c9SNikolay Aleksandrov 496e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 49719e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 498eb1d1641SHerbert Xu 499e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 500eb1d1641SHerbert Xu #endif 501eb1d1641SHerbert Xu 5021da177e4SLinus Torvalds struct timer_list hello_timer; 5031da177e4SLinus Torvalds struct timer_list tcn_timer; 5041da177e4SLinus Torvalds struct timer_list topology_change_timer; 505f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 50643b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 507e028e4b8SVlad Yasevich u32 auto_cnt; 5086bc506b4SIdo Schimmel 5096bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5106bc506b4SIdo Schimmel int offload_fwd_mark; 5116bc506b4SIdo Schimmel #endif 512eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5134b8d7d4cSHoratiu Vultur 5144b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5150169b820SHoratiu Vultur struct hlist_head mrp_list; 5164b8d7d4cSHoratiu Vultur #endif 517f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 518f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 519f323aa54SHenrik Bjoernlund #endif 5201da177e4SLinus Torvalds }; 5211da177e4SLinus Torvalds 52268b7c895SHerbert Xu struct br_input_skb_cb { 52368b7c895SHerbert Xu struct net_device *brdev; 52493fdd47eSHerbert Xu 5253c171f49SPablo Neira Ayuso u16 frag_max_size; 52632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 527f12064d1SFlorian Westphal u8 igmp; 528f12064d1SFlorian Westphal u8 mrouters_only:1; 52932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 530f12064d1SFlorian Westphal u8 proxyarp_replied:1; 531f12064d1SFlorian Westphal u8 src_port_isolated:1; 53220adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 533f12064d1SFlorian Westphal u8 vlan_filtered:1; 53420adfa1aSVlad Yasevich #endif 535223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 536223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 537223fd0adSFlorian Westphal #endif 5386bc506b4SIdo Schimmel 5396bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5406bc506b4SIdo Schimmel int offload_fwd_mark; 5416bc506b4SIdo Schimmel #endif 54268b7c895SHerbert Xu }; 54368b7c895SHerbert Xu 54468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 54568b7c895SHerbert Xu 54632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 54732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 54832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 54932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 55032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 55132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 55228a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 55328a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 55428a16c97Sstephen hemminger 55528a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 55628a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 55728a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 55828a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 55928a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 56028a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 56128a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 56228a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 56328a16c97Sstephen hemminger 56428a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 56528a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 56628a16c97Sstephen hemminger 5671da177e4SLinus Torvalds /* called under bridge lock */ 5681da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5691da177e4SLinus Torvalds { 5701da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5711da177e4SLinus Torvalds } 5721da177e4SLinus Torvalds 5732594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 5742594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 5752594e906SNikolay Aleksandrov { 5762594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 5772594e906SNikolay Aleksandrov } 5782594e906SNikolay Aleksandrov 5792594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 5802594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 5812594e906SNikolay Aleksandrov { 5822594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 5832594e906SNikolay Aleksandrov } 5842594e906SNikolay Aleksandrov 5856be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5862594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5872594e906SNikolay Aleksandrov { 5882594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5892594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5902594e906SNikolay Aleksandrov return true; 5912594e906SNikolay Aleksandrov else 5922594e906SNikolay Aleksandrov return false; 5932594e906SNikolay Aleksandrov } 5942594e906SNikolay Aleksandrov 5952594e906SNikolay Aleksandrov return true; 5962594e906SNikolay Aleksandrov } 5972594e906SNikolay Aleksandrov 5985d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5995d1fcaf3SNikolay Aleksandrov { 6005d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6015d1fcaf3SNikolay Aleksandrov } 6025d1fcaf3SNikolay Aleksandrov 6038f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6045a46facbSNikolay Aleksandrov { 6058f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6068f4cc940SNikolay Aleksandrov 6078f4cc940SNikolay Aleksandrov if (!ret) 6088f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6098f4cc940SNikolay Aleksandrov 6108f4cc940SNikolay Aleksandrov return ret; 6115a46facbSNikolay Aleksandrov } 6125a46facbSNikolay Aleksandrov 6135a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6148f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6158f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6165a46facbSNikolay Aleksandrov { 6175a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6188f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6198f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6205a46facbSNikolay Aleksandrov return false; 6218f4cc940SNikolay Aleksandrov } 6225a46facbSNikolay Aleksandrov 6235a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6245a46facbSNikolay Aleksandrov * - it has range start flag 6255a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6265a46facbSNikolay Aleksandrov */ 6275a46facbSNikolay Aleksandrov if (last) { 6288f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6298f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6305a46facbSNikolay Aleksandrov return false; 6318f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6328f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6338f4cc940SNikolay Aleksandrov return false; 6348f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6358f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6368f4cc940SNikolay Aleksandrov return false; 6378f4cc940SNikolay Aleksandrov } 6388f4cc940SNikolay Aleksandrov } 6398f4cc940SNikolay Aleksandrov 6408f4cc940SNikolay Aleksandrov /* check for required range flags */ 6418f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6428f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6438f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6445a46facbSNikolay Aleksandrov return false; 6455a46facbSNikolay Aleksandrov } 6465a46facbSNikolay Aleksandrov 6475a46facbSNikolay Aleksandrov return true; 6485a46facbSNikolay Aleksandrov } 6495a46facbSNikolay Aleksandrov 650f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 651f545923bSNikolay Aleksandrov { 652f545923bSNikolay Aleksandrov switch (cmd) { 653f545923bSNikolay Aleksandrov case RTM_SETLINK: 654f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 655f545923bSNikolay Aleksandrov case RTM_DELLINK: 656f545923bSNikolay Aleksandrov return RTM_DELVLAN; 657f545923bSNikolay Aleksandrov } 658f545923bSNikolay Aleksandrov 659f545923bSNikolay Aleksandrov return 0; 660f545923bSNikolay Aleksandrov } 661f545923bSNikolay Aleksandrov 662ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 663ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 664ae75767eSNikolay Aleksandrov { 665ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 666ae75767eSNikolay Aleksandrov } 667ae75767eSNikolay Aleksandrov 668a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 669a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 670a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 671a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 672a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 673a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 674a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 675a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 676ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 677ae75767eSNikolay Aleksandrov 6781da177e4SLinus Torvalds /* br_device.c */ 679348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 680348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 681348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 682cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 68391d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 68491d2c34aSHerbert Xu struct sk_buff *skb) 68591d2c34aSHerbert Xu { 686f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 68791d2c34aSHerbert Xu } 68891d2c34aSHerbert Xu 689a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 690348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 69191d2c34aSHerbert Xu #else 6929f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 69391d2c34aSHerbert Xu struct sk_buff *skb) 69491d2c34aSHerbert Xu { 69591d2c34aSHerbert Xu } 69691d2c34aSHerbert Xu 697a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 69891d2c34aSHerbert Xu { 69991d2c34aSHerbert Xu return 0; 70091d2c34aSHerbert Xu } 70191d2c34aSHerbert Xu 70291d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 70391d2c34aSHerbert Xu { 70491d2c34aSHerbert Xu } 705cfb478daSstephen hemminger #endif 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds /* br_fdb.c */ 708348662a1SJoe Perches int br_fdb_init(void); 709348662a1SJoe Perches void br_fdb_fini(void); 710eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 711eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 712348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 713424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 714424bb9c9SToshiaki Makita const struct net_bridge_port *p, 715424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 716348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 717348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 718f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 719348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7201ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 721bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 722bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 723bfd0aeacSNikolay Aleksandrov __u16 vid); 724348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 725348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 726348662a1SJoe Perches unsigned long off); 727348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 728348662a1SJoe Perches const unsigned char *addr, u16 vid); 729348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 730be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 73177162022SJohn Fastabend 732348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 733f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 734348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 73587b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 73687b0984eSPetr Machata struct netlink_ext_ack *extack); 737348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 738d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 73947674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 74047674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 74147674562SRoopa Prabhu struct netlink_ext_ack *extack); 7428db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7438db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7443aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 745161d82deSPetr Machata const unsigned char *addr, u16 vid, 746161d82deSPetr Machata bool swdev_notify); 7473aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 748161d82deSPetr Machata const unsigned char *addr, u16 vid, 749161d82deSPetr Machata bool swdev_notify); 7509fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 751e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7521da177e4SLinus Torvalds 7531da177e4SLinus Torvalds /* br_forward.c */ 7548addd5e7SNikolay Aleksandrov enum br_pkt_type { 7558addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7568addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7578addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7588addd5e7SNikolay Aleksandrov }; 7590c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 760b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 76137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7620c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 76337b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7648addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7651da177e4SLinus Torvalds 7667d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7677d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7687d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7697d850abdSNikolay Aleksandrov { 7707d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 7717d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 7727d850abdSNikolay Aleksandrov } 7737d850abdSNikolay Aleksandrov 7741da177e4SLinus Torvalds /* br_if.c */ 775faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 776348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 777348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 778ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 779ca752be0SDavid Ahern struct netlink_ext_ack *extack); 780348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 781804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 782348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 783c8f44affSMichał Mirosław netdev_features_t features); 784e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7852796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7862756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7871da177e4SLinus Torvalds 7881da177e4SLinus Torvalds /* br_input.c */ 7890c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 7909eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 7911da177e4SLinus Torvalds 79290c628ddSHenrik Bjoernlund struct br_frame_type { 79390c628ddSHenrik Bjoernlund __be16 type; 79490c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 79590c628ddSHenrik Bjoernlund struct sk_buff *skb); 79690c628ddSHenrik Bjoernlund struct hlist_node list; 79790c628ddSHenrik Bjoernlund }; 79890c628ddSHenrik Bjoernlund 79990c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 80090c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 80190c628ddSHenrik Bjoernlund 802859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 803859828c0SJiri Pirko { 8049eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 805859828c0SJiri Pirko } 806859828c0SJiri Pirko 8074d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8084d4fd361SPetr Machata { 8099eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8104d4fd361SPetr Machata } 8114d4fd361SPetr Machata 812859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 813859828c0SJiri Pirko { 814859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 815859828c0SJiri Pirko } 816859828c0SJiri Pirko 8174d4fd361SPetr Machata static inline struct net_bridge_port * 8184d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8194d4fd361SPetr Machata { 8204d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8214d4fd361SPetr Machata } 8224d4fd361SPetr Machata 8231da177e4SLinus Torvalds /* br_ioctl.c */ 824348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 825348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 826348662a1SJoe Perches void __user *arg); 8271da177e4SLinus Torvalds 828eb1d1641SHerbert Xu /* br_multicast.c */ 829eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 830adc47037SNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast *brmctx, 831adc47037SNikolay Aleksandrov struct net_bridge_mcast_port *pmctx, 832fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 833adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 834eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8351080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 836348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 837348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 838348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 839348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 840851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 841851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 842348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 843348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 844e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 845adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 846adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 847adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 848348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 849348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 850ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 851ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 852348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 853348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 8545e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 855aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 856aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 857aa2ae3e7SNikolay Aleksandrov #endif 858348662a1SJoe Perches struct net_bridge_mdb_entry * 85919e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 860348662a1SJoe Perches struct net_bridge_mdb_entry * 86119e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 862348662a1SJoe Perches struct net_bridge_port_group * 863348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 864762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 8658b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 8668f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 86719e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 86819e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 86981f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 87081f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 871949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 872949f1e39SSatish Ashok int type); 873681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 874681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 875681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 876adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 877adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 878a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 8791080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 880b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 8811080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 8821080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 8831080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 88419e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 88519e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 8861bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 8871bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 8888266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 8898266a049SNikolay Aleksandrov u8 filter_mode); 8908266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 8918266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 892474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 893474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 894d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 895d5a10222SNikolay Aleksandrov bool fastleave); 896*613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 897*613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 898*613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 899*613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 900*613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 901*613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 902*613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 903*613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 90485b35269SSridhar Samudrala 905955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 906955062b0SNikolay Aleksandrov { 907955062b0SNikolay Aleksandrov return group->proto == 0; 908955062b0SNikolay Aleksandrov } 909955062b0SNikolay Aleksandrov 910cfd56754SCong Wang #define mlock_dereference(X, br) \ 911cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 912cfd56754SCong Wang 91344ebb081SLinus Lüssing static inline struct hlist_node * 914adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 915adc47037SNikolay Aleksandrov struct sk_buff *skb) 916d3d065c0SNikolay Aleksandrov { 917a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 918a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 919d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 920a3c02e76SLinus Lüssing #endif 921d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 92244ebb081SLinus Lüssing } 92344ebb081SLinus Lüssing 92444ebb081SLinus Lüssing static inline struct net_bridge_port * 925d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 926d3d065c0SNikolay Aleksandrov { 9279632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9289632233eSNikolay Aleksandrov 929a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 930a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9319632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9329632233eSNikolay Aleksandrov ip6_rlist); 9339632233eSNikolay Aleksandrov else 934a3c02e76SLinus Lüssing #endif 9359632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9369632233eSNikolay Aleksandrov ip4_rlist); 9379632233eSNikolay Aleksandrov 9389632233eSNikolay Aleksandrov if (mctx) 9399632233eSNikolay Aleksandrov return mctx->port; 9409632233eSNikolay Aleksandrov else 9419632233eSNikolay Aleksandrov return NULL; 94244ebb081SLinus Lüssing } 94344ebb081SLinus Lüssing 944d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 94585b35269SSridhar Samudrala { 946d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 9471a3065a2SLinus Lüssing } 9481a3065a2SLinus Lüssing 949d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 9501a3065a2SLinus Lüssing { 9511a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 952d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 9531a3065a2SLinus Lüssing #else 9541a3065a2SLinus Lüssing return false; 9551a3065a2SLinus Lüssing #endif 9561a3065a2SLinus Lüssing } 9571a3065a2SLinus Lüssing 9581a3065a2SLinus Lüssing static inline bool 959adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 9601a3065a2SLinus Lüssing { 961d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 9621a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 9631a3065a2SLinus Lüssing return true; 9641a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 9651a3065a2SLinus Lüssing if (skb) { 9661a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 967d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 9681a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 969d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 9701a3065a2SLinus Lüssing } else { 971d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 972d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 9731a3065a2SLinus Lüssing } 9741a3065a2SLinus Lüssing fallthrough; 9751a3065a2SLinus Lüssing default: 9761a3065a2SLinus Lüssing return false; 9771a3065a2SLinus Lüssing } 97885b35269SSridhar Samudrala } 979b00589afSLinus Lüssing 980cc0fdd80SLinus Lüssing static inline bool 981adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 9820888d5f3Sdaniel struct bridge_mcast_other_query *querier, 9830888d5f3Sdaniel const bool is_ipv6) 984b00589afSLinus Lüssing { 9850888d5f3Sdaniel bool own_querier_enabled; 9860888d5f3Sdaniel 987adc47037SNikolay Aleksandrov if (br_opt_get(brmctx->br, BROPT_MULTICAST_QUERIER)) { 988adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 9890888d5f3Sdaniel own_querier_enabled = false; 9900888d5f3Sdaniel else 9910888d5f3Sdaniel own_querier_enabled = true; 9920888d5f3Sdaniel } else { 9930888d5f3Sdaniel own_querier_enabled = false; 9940888d5f3Sdaniel } 9950888d5f3Sdaniel 996cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 9970888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 998cc0fdd80SLinus Lüssing } 999cc0fdd80SLinus Lüssing 1000adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1001955062b0SNikolay Aleksandrov struct ethhdr *eth, 1002955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1003cc0fdd80SLinus Lüssing { 1004cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1005cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1006adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1007adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1008cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1009cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1010adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1011adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1012cc0fdd80SLinus Lüssing #endif 1013cc0fdd80SLinus Lüssing default: 1014955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1015cc0fdd80SLinus Lüssing } 1016b00589afSLinus Lüssing } 10171080ab95SNikolay Aleksandrov 101888d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 101988d4bd18SNikolay Aleksandrov { 102088d4bd18SNikolay Aleksandrov switch (ip->proto) { 102188d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 102288d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 102388d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 102488d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 102588d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 102688d4bd18SNikolay Aleksandrov #endif 102788d4bd18SNikolay Aleksandrov default: 102888d4bd18SNikolay Aleksandrov return false; 102988d4bd18SNikolay Aleksandrov } 103088d4bd18SNikolay Aleksandrov } 103188d4bd18SNikolay Aleksandrov 1032adc47037SNikolay Aleksandrov static inline bool 1033adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10348266a049SNikolay Aleksandrov __be16 proto) 10358266a049SNikolay Aleksandrov { 10368266a049SNikolay Aleksandrov switch (proto) { 10378266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1038adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 10398266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 10408266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1041adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 10428266a049SNikolay Aleksandrov #endif 10438266a049SNikolay Aleksandrov default: 10448266a049SNikolay Aleksandrov return false; 10458266a049SNikolay Aleksandrov } 10468266a049SNikolay Aleksandrov } 10478266a049SNikolay Aleksandrov 10481080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 10491080ab95SNikolay Aleksandrov { 10501080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 10511080ab95SNikolay Aleksandrov } 105242c11ccfSNikolay Aleksandrov 1053adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 105442c11ccfSNikolay Aleksandrov { 1055adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1056adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 105742c11ccfSNikolay Aleksandrov } 10580436862eSNikolay Aleksandrov 1059adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 10600436862eSNikolay Aleksandrov { 10610436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 1062adc47037SNikolay Aleksandrov return 2 * brmctx->multicast_query_interval + 1063adc47037SNikolay Aleksandrov brmctx->multicast_query_response_interval; 10640436862eSNikolay Aleksandrov } 1065eb1d1641SHerbert Xu #else 1066adc47037SNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast *brmctx, 1067adc47037SNikolay Aleksandrov struct net_bridge_mcast_port *pmctx, 106806499098SVlad Yasevich struct sk_buff *skb, 106906499098SVlad Yasevich u16 vid) 1070eb1d1641SHerbert Xu { 1071eb1d1641SHerbert Xu return 0; 1072eb1d1641SHerbert Xu } 1073eb1d1641SHerbert Xu 1074adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1075fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1076eb1d1641SHerbert Xu { 1077eb1d1641SHerbert Xu return NULL; 1078eb1d1641SHerbert Xu } 1079eb1d1641SHerbert Xu 10801080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1081eb1d1641SHerbert Xu { 10821080ab95SNikolay Aleksandrov return 0; 1083eb1d1641SHerbert Xu } 1084eb1d1641SHerbert Xu 1085eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1086eb1d1641SHerbert Xu { 1087eb1d1641SHerbert Xu } 1088eb1d1641SHerbert Xu 1089eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1090eb1d1641SHerbert Xu { 1091eb1d1641SHerbert Xu } 1092eb1d1641SHerbert Xu 1093eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1094eb1d1641SHerbert Xu { 1095eb1d1641SHerbert Xu } 1096eb1d1641SHerbert Xu 1097eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1098eb1d1641SHerbert Xu { 1099eb1d1641SHerbert Xu } 1100eb1d1641SHerbert Xu 1101851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1102851d0a73SJoseph Huang { 1103851d0a73SJoseph Huang } 1104851d0a73SJoseph Huang 1105851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1106851d0a73SJoseph Huang { 1107851d0a73SJoseph Huang } 1108851d0a73SJoseph Huang 1109eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1110eb1d1641SHerbert Xu { 1111eb1d1641SHerbert Xu } 1112eb1d1641SHerbert Xu 1113eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1114eb1d1641SHerbert Xu { 1115eb1d1641SHerbert Xu } 11165cb5e947SHerbert Xu 1117a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1118a7ce45a7SNikolay Aleksandrov { 1119a7ce45a7SNikolay Aleksandrov } 1120a7ce45a7SNikolay Aleksandrov 112137b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 112237b090e6SNikolay Aleksandrov struct sk_buff *skb, 1123adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 112437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 11255cb5e947SHerbert Xu { 11265cb5e947SHerbert Xu } 11275cb5e947SHerbert Xu 1128adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1129bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1130eb1d1641SHerbert Xu { 113103aaa9e2SGustavo A. R. Silva return false; 1132eb1d1641SHerbert Xu } 113337b090e6SNikolay Aleksandrov 1134adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1135c43fd36fSVladimir Oltean struct ethhdr *eth, 1136c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1137b00589afSLinus Lüssing { 1138b00589afSLinus Lüssing return false; 1139b00589afSLinus Lüssing } 114037b090e6SNikolay Aleksandrov 1141fdb184d1SRami Rosen static inline void br_mdb_init(void) 1142fdb184d1SRami Rosen { 1143fdb184d1SRami Rosen } 114437b090e6SNikolay Aleksandrov 1145fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1146fdb184d1SRami Rosen { 1147fdb184d1SRami Rosen } 11481080ab95SNikolay Aleksandrov 114919e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 115019e3a9c9SNikolay Aleksandrov { 115119e3a9c9SNikolay Aleksandrov return 0; 115219e3a9c9SNikolay Aleksandrov } 115319e3a9c9SNikolay Aleksandrov 115419e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 115519e3a9c9SNikolay Aleksandrov { 115619e3a9c9SNikolay Aleksandrov } 115719e3a9c9SNikolay Aleksandrov 11581080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 11591080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1160a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1161a65056ecSNikolay Aleksandrov u8 type, u8 dir) 11621080ab95SNikolay Aleksandrov { 11631080ab95SNikolay Aleksandrov } 11641080ab95SNikolay Aleksandrov 11651080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 11661080ab95SNikolay Aleksandrov { 11671080ab95SNikolay Aleksandrov return 0; 11681080ab95SNikolay Aleksandrov } 11691080ab95SNikolay Aleksandrov 1170b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1171b6fe0440SIdo Schimmel { 1172b6fe0440SIdo Schimmel } 1173b6fe0440SIdo Schimmel 11741080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11751080ab95SNikolay Aleksandrov { 11761080ab95SNikolay Aleksandrov return 0; 11771080ab95SNikolay Aleksandrov } 1178*613d61dbSNikolay Aleksandrov 1179*613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1180*613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1181*613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1182*613d61dbSNikolay Aleksandrov { 1183*613d61dbSNikolay Aleksandrov } 1184*613d61dbSNikolay Aleksandrov 1185*613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1186*613d61dbSNikolay Aleksandrov { 1187*613d61dbSNikolay Aleksandrov } 1188*613d61dbSNikolay Aleksandrov 1189*613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1190*613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1191*613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1192*613d61dbSNikolay Aleksandrov { 1193*613d61dbSNikolay Aleksandrov } 1194*613d61dbSNikolay Aleksandrov 1195*613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1196*613d61dbSNikolay Aleksandrov { 1197*613d61dbSNikolay Aleksandrov } 119885b35269SSridhar Samudrala #endif 1199eb1d1641SHerbert Xu 1200243a2e63SVlad Yasevich /* br_vlan.c */ 1201243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 120277751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 120377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1204a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 120577751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 120685f46c6bSVlad Yasevich const struct sk_buff *skb); 1207e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1208348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 120911538d03SRoopa Prabhu const struct net_bridge_port *port, 12102594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 121178851988SVlad Yasevich struct sk_buff *skb); 1212f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1213169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1214348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1215348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 12162594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1217204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 12189e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 12199e781401SVladimir Oltean struct netlink_ext_ack *extack); 1220dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1221dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 12229e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 12239e781401SVladimir Oltean struct netlink_ext_ack *extack); 12246dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 12259163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 12265be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 12279e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 12289e781401SVladimir Oltean struct netlink_ext_ack *extack); 1229169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1230169327d5SPetr Machata struct netlink_ext_ack *extack); 1231f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1232169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1233348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1234348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1235169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 12362594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1237a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1238281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 12399c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1240091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 12419c0ec2e7SMike Manning void *ptr); 12428dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 12438dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1244cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1245cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1246cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1247cf5bddb9SNikolay Aleksandrov int cmd); 1248a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1249a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1250a37b85c9SVlad Yasevich 1251bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1252bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1253bcf2766bSFelix Fietkau struct net_device_path *path); 1254bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1255bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1256bcf2766bSFelix Fietkau struct net_device_path *path); 1257bcf2766bSFelix Fietkau 12582594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1259a37b85c9SVlad Yasevich const struct net_bridge *br) 1260a37b85c9SVlad Yasevich { 1261907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1262a37b85c9SVlad Yasevich } 1263a37b85c9SVlad Yasevich 12642594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1265a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1266a37b85c9SVlad Yasevich { 1267907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1268907b1e6eSNikolay Aleksandrov } 1269907b1e6eSNikolay Aleksandrov 1270907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1271907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1272907b1e6eSNikolay Aleksandrov { 1273907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1274907b1e6eSNikolay Aleksandrov } 1275907b1e6eSNikolay Aleksandrov 1276907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1277907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1278907b1e6eSNikolay Aleksandrov { 1279907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1280a37b85c9SVlad Yasevich } 1281a37b85c9SVlad Yasevich 1282a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1283a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1284a37b85c9SVlad Yasevich */ 1285a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1286a37b85c9SVlad Yasevich { 1287a37b85c9SVlad Yasevich int err = 0; 1288a37b85c9SVlad Yasevich 12892594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 12905978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 12912594e906SNikolay Aleksandrov } else { 1292a37b85c9SVlad Yasevich *vid = 0; 1293a37b85c9SVlad Yasevich err = -EINVAL; 1294a37b85c9SVlad Yasevich } 1295a37b85c9SVlad Yasevich 1296a37b85c9SVlad Yasevich return err; 1297a37b85c9SVlad Yasevich } 129878851988SVlad Yasevich 129977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 130078851988SVlad Yasevich { 130177751ee8SNikolay Aleksandrov if (!vg) 13025be5a2dfSVlad Yasevich return 0; 13035be5a2dfSVlad Yasevich 130478851988SVlad Yasevich smp_rmb(); 130577751ee8SNikolay Aleksandrov return vg->pvid; 130678851988SVlad Yasevich } 130778851988SVlad Yasevich 13088dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 13098dcea187SNikolay Aleksandrov { 13108dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 13118dcea187SNikolay Aleksandrov } 1312243a2e63SVlad Yasevich #else 131377751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 131477751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 13152594e906SNikolay Aleksandrov struct sk_buff *skb, 1316a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 13172594e906SNikolay Aleksandrov { 13182594e906SNikolay Aleksandrov return true; 13192594e906SNikolay Aleksandrov } 13202594e906SNikolay Aleksandrov 13212594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 132285f46c6bSVlad Yasevich const struct sk_buff *skb) 132385f46c6bSVlad Yasevich { 132485f46c6bSVlad Yasevich return true; 132585f46c6bSVlad Yasevich } 132685f46c6bSVlad Yasevich 1327e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1328e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1329e0d7968aSToshiaki Makita { 1330e0d7968aSToshiaki Makita return true; 1331e0d7968aSToshiaki Makita } 1332e0d7968aSToshiaki Makita 133378851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 133411538d03SRoopa Prabhu const struct net_bridge_port *port, 13352594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 133678851988SVlad Yasevich struct sk_buff *skb) 133778851988SVlad Yasevich { 133878851988SVlad Yasevich return skb; 133978851988SVlad Yasevich } 134078851988SVlad Yasevich 1341f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1342169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1343243a2e63SVlad Yasevich { 1344f418af63SNikolay Aleksandrov *changed = false; 1345243a2e63SVlad Yasevich return -EOPNOTSUPP; 1346243a2e63SVlad Yasevich } 1347243a2e63SVlad Yasevich 1348243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1349243a2e63SVlad Yasevich { 1350243a2e63SVlad Yasevich return -EOPNOTSUPP; 1351243a2e63SVlad Yasevich } 1352243a2e63SVlad Yasevich 1353243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1354243a2e63SVlad Yasevich { 1355243a2e63SVlad Yasevich } 1356243a2e63SVlad Yasevich 1357204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1358204177f3SToshiaki Makita { 1359204177f3SToshiaki Makita } 1360204177f3SToshiaki Makita 13615be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 13628580e211SToshiaki Makita { 13635be5a2dfSVlad Yasevich return 0; 13648580e211SToshiaki Makita } 13658580e211SToshiaki Makita 1366f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1367169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1368243a2e63SVlad Yasevich { 1369f418af63SNikolay Aleksandrov *changed = false; 1370243a2e63SVlad Yasevich return -EOPNOTSUPP; 1371243a2e63SVlad Yasevich } 1372243a2e63SVlad Yasevich 1373243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1374243a2e63SVlad Yasevich { 1375243a2e63SVlad Yasevich return -EOPNOTSUPP; 1376243a2e63SVlad Yasevich } 1377243a2e63SVlad Yasevich 1378243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1379243a2e63SVlad Yasevich { 1380243a2e63SVlad Yasevich } 1381243a2e63SVlad Yasevich 13822594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 13832594e906SNikolay Aleksandrov u16 vid) 1384a37b85c9SVlad Yasevich { 1385a37b85c9SVlad Yasevich return NULL; 1386a37b85c9SVlad Yasevich } 1387bc9a25d2SVlad Yasevich 1388169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1389169327d5SPetr Machata struct netlink_ext_ack *extack) 13905be5a2dfSVlad Yasevich { 13915be5a2dfSVlad Yasevich return 0; 13925be5a2dfSVlad Yasevich } 13935be5a2dfSVlad Yasevich 139478851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1395a37b85c9SVlad Yasevich { 1396a37b85c9SVlad Yasevich return 0; 1397a37b85c9SVlad Yasevich } 13982594e906SNikolay Aleksandrov 139977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 140078851988SVlad Yasevich { 14013df6bf45SVlad Yasevich return 0; 140278851988SVlad Yasevich } 14032796d0c6SVlad Yasevich 14047a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1405c97f47e3SVladimir Oltean unsigned long val, 1406c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1407a7854037SNikolay Aleksandrov { 1408a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1409a7854037SNikolay Aleksandrov } 14102594e906SNikolay Aleksandrov 14112594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 14122594e906SNikolay Aleksandrov u32 filter_mask) 14132594e906SNikolay Aleksandrov { 14142594e906SNikolay Aleksandrov return 0; 14152594e906SNikolay Aleksandrov } 14162594e906SNikolay Aleksandrov 1417bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1418bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1419bcf2766bSFelix Fietkau struct net_device_path *path) 1420bcf2766bSFelix Fietkau { 1421bcf2766bSFelix Fietkau } 1422bcf2766bSFelix Fietkau 1423bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1424bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1425bcf2766bSFelix Fietkau struct net_device_path *path) 1426bcf2766bSFelix Fietkau { 1427bcf2766bSFelix Fietkau return 0; 1428bcf2766bSFelix Fietkau } 1429bcf2766bSFelix Fietkau 14302594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 14312594e906SNikolay Aleksandrov const struct net_bridge *br) 14322594e906SNikolay Aleksandrov { 14332594e906SNikolay Aleksandrov return NULL; 14342594e906SNikolay Aleksandrov } 14352594e906SNikolay Aleksandrov 14362594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 14372594e906SNikolay Aleksandrov const struct net_bridge_port *p) 14382594e906SNikolay Aleksandrov { 14392594e906SNikolay Aleksandrov return NULL; 14402594e906SNikolay Aleksandrov } 1441907b1e6eSNikolay Aleksandrov 1442907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1443907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1444907b1e6eSNikolay Aleksandrov { 1445907b1e6eSNikolay Aleksandrov return NULL; 1446907b1e6eSNikolay Aleksandrov } 1447907b1e6eSNikolay Aleksandrov 1448907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1449907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1450907b1e6eSNikolay Aleksandrov { 1451907b1e6eSNikolay Aleksandrov return NULL; 1452907b1e6eSNikolay Aleksandrov } 1453a60c0903SNikolay Aleksandrov 1454a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1455281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1456a60c0903SNikolay Aleksandrov { 1457a60c0903SNikolay Aleksandrov } 14589c0ec2e7SMike Manning 14599c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 14609c0ec2e7SMike Manning unsigned long event) 14619c0ec2e7SMike Manning { 14629c0ec2e7SMike Manning } 14639c0ec2e7SMike Manning 1464091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 14659c0ec2e7SMike Manning unsigned long event, void *ptr) 14669c0ec2e7SMike Manning { 1467091adf9bSNikolay Aleksandrov return 0; 14689c0ec2e7SMike Manning } 14698dcea187SNikolay Aleksandrov 14708dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 14718dcea187SNikolay Aleksandrov { 14728dcea187SNikolay Aleksandrov } 14738dcea187SNikolay Aleksandrov 14748dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 14758dcea187SNikolay Aleksandrov { 14768dcea187SNikolay Aleksandrov } 1477cf5bddb9SNikolay Aleksandrov 1478cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1479cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1480cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1481cf5bddb9SNikolay Aleksandrov int cmd) 1482cf5bddb9SNikolay Aleksandrov { 1483cf5bddb9SNikolay Aleksandrov } 1484528ae84aSNikolay Aleksandrov 1485528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1486528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1487528ae84aSNikolay Aleksandrov { 1488528ae84aSNikolay Aleksandrov return true; 1489528ae84aSNikolay Aleksandrov } 1490243a2e63SVlad Yasevich #endif 1491243a2e63SVlad Yasevich 14927a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 14937a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 149499f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 149599f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 14967a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 14977a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1498a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1499a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1500a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1501a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1502a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1503a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1504a580c76dSNikolay Aleksandrov 1505a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1506a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1507a580c76dSNikolay Aleksandrov { 1508a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1509a580c76dSNikolay Aleksandrov } 1510a580c76dSNikolay Aleksandrov 1511a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1512a580c76dSNikolay Aleksandrov { 1513a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1514a580c76dSNikolay Aleksandrov } 1515a580c76dSNikolay Aleksandrov 1516a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1517a580c76dSNikolay Aleksandrov { 1518a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1519a580c76dSNikolay Aleksandrov } 1520a580c76dSNikolay Aleksandrov 1521a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1522a580c76dSNikolay Aleksandrov u8 state) 1523a580c76dSNikolay Aleksandrov { 1524a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1525a580c76dSNikolay Aleksandrov } 1526a580c76dSNikolay Aleksandrov 1527a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1528a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1529a580c76dSNikolay Aleksandrov { 1530a580c76dSNikolay Aleksandrov switch (state) { 1531a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1532a580c76dSNikolay Aleksandrov return learn_allow; 1533a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1534a580c76dSNikolay Aleksandrov return true; 1535a580c76dSNikolay Aleksandrov default: 1536a580c76dSNikolay Aleksandrov return false; 1537a580c76dSNikolay Aleksandrov } 1538a580c76dSNikolay Aleksandrov } 15397a53e718SNikolay Aleksandrov #endif 15407a53e718SNikolay Aleksandrov 15411a4ba64dSPablo Neira Ayuso struct nf_br_ops { 15421a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 15431a4ba64dSPablo Neira Ayuso }; 15441a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 15451a4ba64dSPablo Neira Ayuso 15461da177e4SLinus Torvalds /* br_netfilter.c */ 154734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 154834666d46SPablo Neira Ayuso int br_nf_core_init(void); 154934666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1550348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1551c0909713SStephen Hemminger #else 155234666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 155334666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 15544adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1555c0909713SStephen Hemminger #endif 15561da177e4SLinus Torvalds 15571da177e4SLinus Torvalds /* br_stp.c */ 1558775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1559348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1560348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1561348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 15621da177e4SLinus Torvalds 1563348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1564348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1565348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1566348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 156782dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 15689e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 156914f98f25Sstephen hemminger 157014f98f25Sstephen hemminger 15711da177e4SLinus Torvalds /* br_stp_if.c */ 1572348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1573348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1574419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1575419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1576348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1577348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1578348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1579348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1580348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1581348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1582348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1583348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 15841da177e4SLinus Torvalds 15851da177e4SLinus Torvalds /* br_stp_bpdu.c */ 15867c85fbf0SPatrick McHardy struct stp_proto; 1587348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 15887c85fbf0SPatrick McHardy struct net_device *dev); 15891da177e4SLinus Torvalds 15901da177e4SLinus Torvalds /* br_stp_timer.c */ 1591348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1592348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1593348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 15941da177e4SLinus Torvalds 15951da177e4SLinus Torvalds /* br.c */ 1596e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1597da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1598da678292SMichał Mirosław #endif 15991da177e4SLinus Torvalds 160065369933SHoratiu Vultur /* br_mrp.c */ 160165369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 160265369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 160365369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 160465369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 160565369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1606df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 160765369933SHoratiu Vultur #else 160865369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 160965369933SHoratiu Vultur struct nlattr *attr, int cmd, 161065369933SHoratiu Vultur struct netlink_ext_ack *extack) 161165369933SHoratiu Vultur { 161265369933SHoratiu Vultur return -EOPNOTSUPP; 161365369933SHoratiu Vultur } 161465369933SHoratiu Vultur 161565369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 161665369933SHoratiu Vultur { 16178741e184SJason Yan return false; 161865369933SHoratiu Vultur } 161965369933SHoratiu Vultur 162065369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 162165369933SHoratiu Vultur struct net_bridge_port *p) 162265369933SHoratiu Vultur { 162365369933SHoratiu Vultur } 1624df42ef22SHoratiu Vultur 1625df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1626df42ef22SHoratiu Vultur { 1627df42ef22SHoratiu Vultur return 0; 1628df42ef22SHoratiu Vultur } 1629df42ef22SHoratiu Vultur 163065369933SHoratiu Vultur #endif 163165369933SHoratiu Vultur 16322be665c3SHenrik Bjoernlund /* br_cfm.c */ 163386a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 16342be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 16352be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 16362be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 163786a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 16385e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1639b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1640b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1641b6d0425bSHenrik Bjoernlund bool getlink); 1642b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1643b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 164486a14b79SHenrik Bjoernlund #else 16452be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 16462be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 16472be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 16482be665c3SHenrik Bjoernlund { 16492be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 16502be665c3SHenrik Bjoernlund } 16512be665c3SHenrik Bjoernlund 16522be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 16532be665c3SHenrik Bjoernlund { 16542be665c3SHenrik Bjoernlund return false; 16552be665c3SHenrik Bjoernlund } 16562be665c3SHenrik Bjoernlund 165786a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 165886a14b79SHenrik Bjoernlund struct net_bridge_port *p) 165986a14b79SHenrik Bjoernlund { 166086a14b79SHenrik Bjoernlund } 16615e312fc0SHenrik Bjoernlund 16625e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 16635e312fc0SHenrik Bjoernlund { 16645e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 16655e312fc0SHenrik Bjoernlund } 1666e77824d8SHenrik Bjoernlund 1667b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1668b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1669b6d0425bSHenrik Bjoernlund bool getlink) 1670b6d0425bSHenrik Bjoernlund { 1671b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1672b6d0425bSHenrik Bjoernlund } 1673b6d0425bSHenrik Bjoernlund 1674b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1675b6d0425bSHenrik Bjoernlund { 1676b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1677b6d0425bSHenrik Bjoernlund } 1678b6d0425bSHenrik Bjoernlund 1679b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1680e77824d8SHenrik Bjoernlund { 1681e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1682e77824d8SHenrik Bjoernlund } 168386a14b79SHenrik Bjoernlund #endif 168486a14b79SHenrik Bjoernlund 168511dc1f36SStephen Hemminger /* br_netlink.c */ 1686149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1687348662a1SJoe Perches int br_netlink_init(void); 1688348662a1SJoe Perches void br_netlink_fini(void); 168992899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 169092899063SNikolay Aleksandrov const struct net_bridge_port *port); 1691b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1692b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 16932fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 16942fd527b7SPetr Machata struct netlink_ext_ack *extack); 1695add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1696348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 169746c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1698f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1699f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1700f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1701f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1702f26b2965SNikolay Aleksandrov bool *changed, 1703f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 170411dc1f36SStephen Hemminger 17051da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 17061da177e4SLinus Torvalds /* br_sysfs_if.c */ 170752cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1708348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1709348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 17101da177e4SLinus Torvalds 17111da177e4SLinus Torvalds /* br_sysfs_br.c */ 1712348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1713348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 17141da177e4SLinus Torvalds 17151da177e4SLinus Torvalds #else 17161da177e4SLinus Torvalds 17170cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 17180cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 17190cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 17200cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 17211da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 17221da177e4SLinus Torvalds 17236bc506b4SIdo Schimmel /* br_switchdev.c */ 17246bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 17256bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 17266bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 17276bc506b4SIdo Schimmel struct sk_buff *skb); 17286bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 17296bc506b4SIdo Schimmel const struct sk_buff *skb); 17303922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 17313922285dSArkadi Sharshevsky unsigned long flags, 1732078bbb85SVladimir Oltean unsigned long mask, 1733078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 17346eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 17356eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1736169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1737169327d5SPetr Machata struct netlink_ext_ack *extack); 1738d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1739f1c2eddfSIdo Schimmel 1740f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1741f1c2eddfSIdo Schimmel { 1742f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1743f1c2eddfSIdo Schimmel } 17446bc506b4SIdo Schimmel #else 17456bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 17466bc506b4SIdo Schimmel { 17476bc506b4SIdo Schimmel return 0; 17486bc506b4SIdo Schimmel } 17496bc506b4SIdo Schimmel 17506bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 17516bc506b4SIdo Schimmel struct sk_buff *skb) 17526bc506b4SIdo Schimmel { 17536bc506b4SIdo Schimmel } 17546bc506b4SIdo Schimmel 17556bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 17566bc506b4SIdo Schimmel const struct sk_buff *skb) 17576bc506b4SIdo Schimmel { 17586bc506b4SIdo Schimmel return true; 17596bc506b4SIdo Schimmel } 17603922285dSArkadi Sharshevsky 17613922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 17623922285dSArkadi Sharshevsky unsigned long flags, 1763078bbb85SVladimir Oltean unsigned long mask, 1764078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 17653922285dSArkadi Sharshevsky { 17663922285dSArkadi Sharshevsky return 0; 17673922285dSArkadi Sharshevsky } 17686b26b51bSArkadi Sharshevsky 1769d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1770169327d5SPetr Machata u16 vid, u16 flags, 1771169327d5SPetr Machata struct netlink_ext_ack *extack) 1772d66e4348SPetr Machata { 1773d66e4348SPetr Machata return -EOPNOTSUPP; 1774d66e4348SPetr Machata } 1775d66e4348SPetr Machata 1776d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1777d66e4348SPetr Machata { 1778d66e4348SPetr Machata return -EOPNOTSUPP; 1779d66e4348SPetr Machata } 1780d66e4348SPetr Machata 17816b26b51bSArkadi Sharshevsky static inline void 17826eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 17836eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 17846b26b51bSArkadi Sharshevsky { 17856b26b51bSArkadi Sharshevsky } 1786f1c2eddfSIdo Schimmel 1787f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1788f1c2eddfSIdo Schimmel { 1789f1c2eddfSIdo Schimmel } 17906bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 17916bc506b4SIdo Schimmel 1792057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1793821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1794057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1795057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1796ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1797ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1798ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 17991da177e4SLinus Torvalds #endif 1800