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; 969632233eSNikolay Aleksandrov 979632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 989632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 999632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1009632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1019632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1029632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1039632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1049632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1059632233eSNikolay Aleksandrov unsigned char multicast_router; 1069632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1079632233eSNikolay Aleksandrov }; 1089632233eSNikolay Aleksandrov 109*d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 110*d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 111*d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 112*d3d065c0SNikolay Aleksandrov struct net_bridge *br; 113*d3d065c0SNikolay Aleksandrov 114*d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 115*d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 116*d3d065c0SNikolay Aleksandrov 117*d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 118*d3d065c0SNikolay Aleksandrov u8 multicast_router; 119*d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 120*d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 121*d3d065c0SNikolay Aleksandrov #endif 122*d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 123*d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 124*d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 125*d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 126*d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 127*d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 128*d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 129*d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 130*d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 131*d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 132*d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 133*d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 134*d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 135*d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 136*d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 137*d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 138*d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 139*d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 140*d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 141*d3d065c0SNikolay Aleksandrov }; 142*d3d065c0SNikolay Aleksandrov 143efa5356bSRoopa Prabhu struct br_tunnel_info { 144efa5356bSRoopa Prabhu __be64 tunnel_id; 14558e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 146efa5356bSRoopa Prabhu }; 147efa5356bSRoopa Prabhu 1489d332e69SNikolay Aleksandrov /* private vlan flags */ 1499d332e69SNikolay Aleksandrov enum { 1509d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15127973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1529d332e69SNikolay Aleksandrov }; 1539d332e69SNikolay Aleksandrov 1542594e906SNikolay Aleksandrov /** 1552594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1562594e906SNikolay Aleksandrov * 1572594e906SNikolay Aleksandrov * @vnode: rhashtable member 1582594e906SNikolay Aleksandrov * @vid: VLAN id 1592594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1609d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 161a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1626dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1632594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1642594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1652594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1662594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1672594e906SNikolay Aleksandrov * for this VLAN entry 1682594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1692594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1702594e906SNikolay Aleksandrov * 1712594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1722594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1732594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1742594e906SNikolay Aleksandrov * the entry flags that are set. 1752594e906SNikolay Aleksandrov */ 1762594e906SNikolay Aleksandrov struct net_bridge_vlan { 1772594e906SNikolay Aleksandrov struct rhash_head vnode; 178efa5356bSRoopa Prabhu struct rhash_head tnode; 1792594e906SNikolay Aleksandrov u16 vid; 1802594e906SNikolay Aleksandrov u16 flags; 1819d332e69SNikolay Aleksandrov u16 priv_flags; 182a580c76dSNikolay Aleksandrov u8 state; 183281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 184243a2e63SVlad Yasevich union { 185243a2e63SVlad Yasevich struct net_bridge *br; 1862594e906SNikolay Aleksandrov struct net_bridge_port *port; 1872594e906SNikolay Aleksandrov }; 1882594e906SNikolay Aleksandrov union { 18925127759SReshetova, Elena refcount_t refcnt; 1902594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1912594e906SNikolay Aleksandrov }; 192efa5356bSRoopa Prabhu 193efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 194efa5356bSRoopa Prabhu 1952594e906SNikolay Aleksandrov struct list_head vlist; 1962594e906SNikolay Aleksandrov 197243a2e63SVlad Yasevich struct rcu_head rcu; 1982594e906SNikolay Aleksandrov }; 1992594e906SNikolay Aleksandrov 2002594e906SNikolay Aleksandrov /** 2012594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2022594e906SNikolay Aleksandrov * 2032594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2042594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2052594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 20677751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 207a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2082594e906SNikolay Aleksandrov * 2092594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2102594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2112594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2122594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2132594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2142594e906SNikolay Aleksandrov */ 2152594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2162594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 217efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2182594e906SNikolay Aleksandrov struct list_head vlan_list; 2196cbdceebSVlad Yasevich u16 num_vlans; 22077751ee8SNikolay Aleksandrov u16 pvid; 221a580c76dSNikolay Aleksandrov u8 pvid_state; 222243a2e63SVlad Yasevich }; 223243a2e63SVlad Yasevich 2246869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2256869c3b0SNikolay Aleksandrov enum { 2266869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 22729e63fffSNikolay Aleksandrov BR_FDB_STATIC, 228e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 229ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 230b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 231d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 23231cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 23331cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2346869c3b0SNikolay Aleksandrov }; 2356869c3b0SNikolay Aleksandrov 236eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 237eb793583SNikolay Aleksandrov mac_addr addr; 238eb793583SNikolay Aleksandrov u16 vlan_id; 239eb793583SNikolay Aleksandrov }; 240eb793583SNikolay Aleksandrov 2411214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 242eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2431da177e4SLinus Torvalds struct net_bridge_port *dst; 2441da177e4SLinus Torvalds 245eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 246eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2476869c3b0SNikolay Aleksandrov unsigned long flags; 2481214628cSNikolay Aleksandrov 2491214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2501214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2511214628cSNikolay Aleksandrov unsigned long used; 2521214628cSNikolay Aleksandrov 253b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2541da177e4SLinus Torvalds }; 2551da177e4SLinus Torvalds 2569d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2579d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2583247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2598266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2609116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2619d06b6d8SElad Raz 2628b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2638b671779SNikolay Aleksandrov 2648b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2658b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 266b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2678b671779SNikolay Aleksandrov 268e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 269e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 270e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 271e12cec65SNikolay Aleksandrov }; 272e12cec65SNikolay Aleksandrov 2738b671779SNikolay Aleksandrov struct net_bridge_group_src { 2748b671779SNikolay Aleksandrov struct hlist_node node; 2758b671779SNikolay Aleksandrov 2768b671779SNikolay Aleksandrov struct br_ip addr; 2778b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2788b671779SNikolay Aleksandrov u8 flags; 279438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2808b671779SNikolay Aleksandrov struct timer_list timer; 2818b671779SNikolay Aleksandrov 2828b671779SNikolay Aleksandrov struct net_bridge *br; 283e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2848b671779SNikolay Aleksandrov struct rcu_head rcu; 2858b671779SNikolay Aleksandrov }; 2868b671779SNikolay Aleksandrov 287085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 288eb1d1641SHerbert Xu struct net_bridge_port *port; 2898ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 290085b53c8SNikolay Aleksandrov }; 291085b53c8SNikolay Aleksandrov 292085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 293085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 294085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 295206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 2969d06b6d8SElad Raz unsigned char flags; 2978b671779SNikolay Aleksandrov unsigned char filter_mode; 29842c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 2998f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3006ec0d0eeSNikolay Aleksandrov 3018b671779SNikolay Aleksandrov struct hlist_head src_list; 3028b671779SNikolay Aleksandrov unsigned int src_ents; 3036ec0d0eeSNikolay Aleksandrov struct timer_list timer; 30442c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3056ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3068f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3078f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3086ec0d0eeSNikolay Aleksandrov 309085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 310e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3116ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 312eb1d1641SHerbert Xu }; 313eb1d1641SHerbert Xu 3141c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 31519e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 316eb1d1641SHerbert Xu struct net_bridge *br; 317e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3188ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 319ff0fd34eSAndrew Lunn bool host_joined; 3206ec0d0eeSNikolay Aleksandrov 3216ec0d0eeSNikolay Aleksandrov struct timer_list timer; 32219e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3236ec0d0eeSNikolay Aleksandrov 324e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3256ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 326eb1d1641SHerbert Xu }; 327eb1d1641SHerbert Xu 3281f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3291da177e4SLinus Torvalds struct net_bridge *br; 3301da177e4SLinus Torvalds struct net_device *dev; 3311da177e4SLinus Torvalds struct list_head list; 3321da177e4SLinus Torvalds 3331f90c7f3SNikolay Aleksandrov unsigned long flags; 3341f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3351f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3361f90c7f3SNikolay Aleksandrov #endif 3372756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3381f90c7f3SNikolay Aleksandrov 3391da177e4SLinus Torvalds /* STP */ 3401da177e4SLinus Torvalds u8 priority; 3411da177e4SLinus Torvalds u8 state; 3421da177e4SLinus Torvalds u16 port_no; 3431da177e4SLinus Torvalds unsigned char topology_change_ack; 3441da177e4SLinus Torvalds unsigned char config_pending; 3451da177e4SLinus Torvalds port_id port_id; 3461da177e4SLinus Torvalds port_id designated_port; 3471da177e4SLinus Torvalds bridge_id designated_root; 3481da177e4SLinus Torvalds bridge_id designated_bridge; 3491da177e4SLinus Torvalds u32 path_cost; 3501da177e4SLinus Torvalds u32 designated_cost; 3510c03150eSstephen hemminger unsigned long designated_age; 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3541da177e4SLinus Torvalds struct timer_list hold_timer; 3551da177e4SLinus Torvalds struct timer_list message_age_timer; 3561da177e4SLinus Torvalds struct kobject kobj; 3571da177e4SLinus Torvalds struct rcu_head rcu; 3583982d3d2SFischer, Anna 3599632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3609632233eSNikolay Aleksandrov 361eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3629632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3639632233eSNikolay Aleksandrov 36489268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 36589268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 366eb1d1641SHerbert Xu struct hlist_head mglist; 367eb1d1641SHerbert Xu #endif 368e0f43752SSimon Arlott 369e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 370e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 371e0f43752SSimon Arlott #endif 37291d2c34aSHerbert Xu 37391d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 37491d2c34aSHerbert Xu struct netpoll *np; 37591d2c34aSHerbert Xu #endif 3766bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3776bc506b4SIdo Schimmel int offload_fwd_mark; 3786bc506b4SIdo Schimmel #endif 3795af48b59SNikolay Aleksandrov u16 group_fwd_mask; 3802756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 381de179966SVivien Didelot 382de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 3831da177e4SLinus Torvalds }; 3841da177e4SLinus Torvalds 385705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 386705e0deaSTyler Hicks 387e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 388f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 389e028e4b8SVlad Yasevich 390b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 391b5ed54e9Sstephen hemminger { 392716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 393b5ed54e9Sstephen hemminger } 394b5ed54e9Sstephen hemminger 3951fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 396b5ed54e9Sstephen hemminger { 39735f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 398ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 399b5ed54e9Sstephen hemminger } 400b5ed54e9Sstephen hemminger 4010baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4020baa10ffSArkadi Sharshevsky { 40335f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4040baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4050baa10ffSArkadi Sharshevsky } 4060baa10ffSArkadi Sharshevsky 407ae75767eSNikolay Aleksandrov enum net_bridge_opts { 408ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 409ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4108df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4118df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4128df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 413be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 41413cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 415675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 416675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 417675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 418675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 419c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4203341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4219163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 42270e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4239c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 424ae75767eSNikolay Aleksandrov }; 425ae75767eSNikolay Aleksandrov 4261f90c7f3SNikolay Aleksandrov struct net_bridge { 4271da177e4SLinus Torvalds spinlock_t lock; 4281f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 42990c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4301da177e4SLinus Torvalds struct net_device *dev; 431ae75767eSNikolay Aleksandrov unsigned long options; 4321f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4331f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4341f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4351f90c7f3SNikolay Aleksandrov u16 default_pvid; 4361f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4371f90c7f3SNikolay Aleksandrov #endif 4381f90c7f3SNikolay Aleksandrov 439eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 44090c628ddSHenrik Bjoernlund struct list_head port_list; 44134666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 442efb6de9bSBernhard Thaler union { 4434adf0af6SSimon Wunderlich struct rtable fake_rtable; 444efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 445efb6de9bSBernhard Thaler }; 4464adf0af6SSimon Wunderlich #endif 447515853ccSstephen hemminger u16 group_fwd_mask; 448f2808d22SToshiaki Makita u16 group_fwd_mask_required; 449515853ccSstephen hemminger 4501da177e4SLinus Torvalds /* STP */ 4511da177e4SLinus Torvalds bridge_id designated_root; 4521da177e4SLinus Torvalds bridge_id bridge_id; 4531f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4541f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4551f90c7f3SNikolay Aleksandrov u16 root_port; 4561da177e4SLinus Torvalds unsigned long max_age; 4571da177e4SLinus Torvalds unsigned long hello_time; 4581da177e4SLinus Torvalds unsigned long forward_delay; 4591da177e4SLinus Torvalds unsigned long ageing_time; 46034d8acd8SVivien Didelot unsigned long bridge_max_age; 4611da177e4SLinus Torvalds unsigned long bridge_hello_time; 4621da177e4SLinus Torvalds unsigned long bridge_forward_delay; 46334d8acd8SVivien Didelot unsigned long bridge_ageing_time; 46435750b0bSNikolay Aleksandrov u32 root_path_cost; 4651da177e4SLinus Torvalds 466fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4679cde0708SStephen Hemminger 4689cde0708SStephen Hemminger enum { 4699cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4709cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4719cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4729cde0708SStephen Hemminger } stp_enabled; 4739cde0708SStephen Hemminger 474*d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 475*d3d065c0SNikolay Aleksandrov 476eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 477*d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 478eb1d1641SHerbert Xu 479eb1d1641SHerbert Xu u32 hash_max; 480eb1d1641SHerbert Xu 48135750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 482eb1d1641SHerbert Xu 48319e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 484085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 48519e3a9c9SNikolay Aleksandrov 486e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 48719e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 488eb1d1641SHerbert Xu 489e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 490eb1d1641SHerbert Xu #endif 491eb1d1641SHerbert Xu 4921da177e4SLinus Torvalds struct timer_list hello_timer; 4931da177e4SLinus Torvalds struct timer_list tcn_timer; 4941da177e4SLinus Torvalds struct timer_list topology_change_timer; 495f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 49643b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 497e028e4b8SVlad Yasevich u32 auto_cnt; 4986bc506b4SIdo Schimmel 4996bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5006bc506b4SIdo Schimmel int offload_fwd_mark; 5016bc506b4SIdo Schimmel #endif 502eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5034b8d7d4cSHoratiu Vultur 5044b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5050169b820SHoratiu Vultur struct hlist_head mrp_list; 5064b8d7d4cSHoratiu Vultur #endif 507f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 508f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 509f323aa54SHenrik Bjoernlund #endif 5101da177e4SLinus Torvalds }; 5111da177e4SLinus Torvalds 51268b7c895SHerbert Xu struct br_input_skb_cb { 51368b7c895SHerbert Xu struct net_device *brdev; 51493fdd47eSHerbert Xu 5153c171f49SPablo Neira Ayuso u16 frag_max_size; 51632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 517f12064d1SFlorian Westphal u8 igmp; 518f12064d1SFlorian Westphal u8 mrouters_only:1; 51932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 520f12064d1SFlorian Westphal u8 proxyarp_replied:1; 521f12064d1SFlorian Westphal u8 src_port_isolated:1; 52220adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 523f12064d1SFlorian Westphal u8 vlan_filtered:1; 52420adfa1aSVlad Yasevich #endif 525223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 526223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 527223fd0adSFlorian Westphal #endif 5286bc506b4SIdo Schimmel 5296bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5306bc506b4SIdo Schimmel int offload_fwd_mark; 5316bc506b4SIdo Schimmel #endif 53268b7c895SHerbert Xu }; 53368b7c895SHerbert Xu 53468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 53568b7c895SHerbert Xu 53632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 53732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 53832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 53932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 54032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 54132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 54228a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 54328a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 54428a16c97Sstephen hemminger 54528a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 54628a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 54728a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 54828a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 54928a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 55028a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 55128a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 55228a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 55328a16c97Sstephen hemminger 55428a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 55528a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 55628a16c97Sstephen hemminger 5571da177e4SLinus Torvalds /* called under bridge lock */ 5581da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5591da177e4SLinus Torvalds { 5601da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5611da177e4SLinus Torvalds } 5621da177e4SLinus Torvalds 5632594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 5642594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 5652594e906SNikolay Aleksandrov { 5662594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 5672594e906SNikolay Aleksandrov } 5682594e906SNikolay Aleksandrov 5692594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 5702594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 5712594e906SNikolay Aleksandrov { 5722594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 5732594e906SNikolay Aleksandrov } 5742594e906SNikolay Aleksandrov 5756be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5762594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5772594e906SNikolay Aleksandrov { 5782594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5792594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5802594e906SNikolay Aleksandrov return true; 5812594e906SNikolay Aleksandrov else 5822594e906SNikolay Aleksandrov return false; 5832594e906SNikolay Aleksandrov } 5842594e906SNikolay Aleksandrov 5852594e906SNikolay Aleksandrov return true; 5862594e906SNikolay Aleksandrov } 5872594e906SNikolay Aleksandrov 5885d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5895d1fcaf3SNikolay Aleksandrov { 5905d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 5915d1fcaf3SNikolay Aleksandrov } 5925d1fcaf3SNikolay Aleksandrov 5938f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 5945a46facbSNikolay Aleksandrov { 5958f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 5968f4cc940SNikolay Aleksandrov 5978f4cc940SNikolay Aleksandrov if (!ret) 5988f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 5998f4cc940SNikolay Aleksandrov 6008f4cc940SNikolay Aleksandrov return ret; 6015a46facbSNikolay Aleksandrov } 6025a46facbSNikolay Aleksandrov 6035a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6048f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6058f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6065a46facbSNikolay Aleksandrov { 6075a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6088f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6098f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6105a46facbSNikolay Aleksandrov return false; 6118f4cc940SNikolay Aleksandrov } 6125a46facbSNikolay Aleksandrov 6135a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6145a46facbSNikolay Aleksandrov * - it has range start flag 6155a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6165a46facbSNikolay Aleksandrov */ 6175a46facbSNikolay Aleksandrov if (last) { 6188f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6198f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6205a46facbSNikolay Aleksandrov return false; 6218f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6228f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6238f4cc940SNikolay Aleksandrov return false; 6248f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6258f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6268f4cc940SNikolay Aleksandrov return false; 6278f4cc940SNikolay Aleksandrov } 6288f4cc940SNikolay Aleksandrov } 6298f4cc940SNikolay Aleksandrov 6308f4cc940SNikolay Aleksandrov /* check for required range flags */ 6318f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6328f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6338f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6345a46facbSNikolay Aleksandrov return false; 6355a46facbSNikolay Aleksandrov } 6365a46facbSNikolay Aleksandrov 6375a46facbSNikolay Aleksandrov return true; 6385a46facbSNikolay Aleksandrov } 6395a46facbSNikolay Aleksandrov 640f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 641f545923bSNikolay Aleksandrov { 642f545923bSNikolay Aleksandrov switch (cmd) { 643f545923bSNikolay Aleksandrov case RTM_SETLINK: 644f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 645f545923bSNikolay Aleksandrov case RTM_DELLINK: 646f545923bSNikolay Aleksandrov return RTM_DELVLAN; 647f545923bSNikolay Aleksandrov } 648f545923bSNikolay Aleksandrov 649f545923bSNikolay Aleksandrov return 0; 650f545923bSNikolay Aleksandrov } 651f545923bSNikolay Aleksandrov 652ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 653ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 654ae75767eSNikolay Aleksandrov { 655ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 656ae75767eSNikolay Aleksandrov } 657ae75767eSNikolay Aleksandrov 658a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 659a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 660a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 661a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 662a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 663a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 664a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 665a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 666ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 667ae75767eSNikolay Aleksandrov 6681da177e4SLinus Torvalds /* br_device.c */ 669348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 670348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 671348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 672cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 67391d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 67491d2c34aSHerbert Xu struct sk_buff *skb) 67591d2c34aSHerbert Xu { 676f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 67791d2c34aSHerbert Xu } 67891d2c34aSHerbert Xu 679a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 680348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 68191d2c34aSHerbert Xu #else 6829f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 68391d2c34aSHerbert Xu struct sk_buff *skb) 68491d2c34aSHerbert Xu { 68591d2c34aSHerbert Xu } 68691d2c34aSHerbert Xu 687a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 68891d2c34aSHerbert Xu { 68991d2c34aSHerbert Xu return 0; 69091d2c34aSHerbert Xu } 69191d2c34aSHerbert Xu 69291d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 69391d2c34aSHerbert Xu { 69491d2c34aSHerbert Xu } 695cfb478daSstephen hemminger #endif 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds /* br_fdb.c */ 698348662a1SJoe Perches int br_fdb_init(void); 699348662a1SJoe Perches void br_fdb_fini(void); 700eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 701eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 702348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 703424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 704424bb9c9SToshiaki Makita const struct net_bridge_port *p, 705424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 706348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 707348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 708f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 709348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7101ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 711bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 712bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 713bfd0aeacSNikolay Aleksandrov __u16 vid); 714348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 715348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 716348662a1SJoe Perches unsigned long off); 717348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 718348662a1SJoe Perches const unsigned char *addr, u16 vid); 719348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 720be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 72177162022SJohn Fastabend 722348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 723f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 724348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 72587b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 72687b0984eSPetr Machata struct netlink_ext_ack *extack); 727348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 728d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 72947674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 73047674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 73147674562SRoopa Prabhu struct netlink_ext_ack *extack); 7328db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7338db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7343aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 735161d82deSPetr Machata const unsigned char *addr, u16 vid, 736161d82deSPetr Machata bool swdev_notify); 7373aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 738161d82deSPetr Machata const unsigned char *addr, u16 vid, 739161d82deSPetr Machata bool swdev_notify); 7409fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 741e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7421da177e4SLinus Torvalds 7431da177e4SLinus Torvalds /* br_forward.c */ 7448addd5e7SNikolay Aleksandrov enum br_pkt_type { 7458addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7468addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7478addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7488addd5e7SNikolay Aleksandrov }; 7490c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 750b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 75137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7520c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 75337b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7548addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7551da177e4SLinus Torvalds 7567d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7577d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7587d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7597d850abdSNikolay Aleksandrov { 7607d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 7617d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 7627d850abdSNikolay Aleksandrov } 7637d850abdSNikolay Aleksandrov 7641da177e4SLinus Torvalds /* br_if.c */ 765faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 766348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 767348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 768ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 769ca752be0SDavid Ahern struct netlink_ext_ack *extack); 770348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 771804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 772348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 773c8f44affSMichał Mirosław netdev_features_t features); 774e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7752796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7762756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds /* br_input.c */ 7790c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 7809eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 7811da177e4SLinus Torvalds 78290c628ddSHenrik Bjoernlund struct br_frame_type { 78390c628ddSHenrik Bjoernlund __be16 type; 78490c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 78590c628ddSHenrik Bjoernlund struct sk_buff *skb); 78690c628ddSHenrik Bjoernlund struct hlist_node list; 78790c628ddSHenrik Bjoernlund }; 78890c628ddSHenrik Bjoernlund 78990c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 79090c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 79190c628ddSHenrik Bjoernlund 792859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 793859828c0SJiri Pirko { 7949eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 795859828c0SJiri Pirko } 796859828c0SJiri Pirko 7974d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 7984d4fd361SPetr Machata { 7999eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8004d4fd361SPetr Machata } 8014d4fd361SPetr Machata 802859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 803859828c0SJiri Pirko { 804859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 805859828c0SJiri Pirko } 806859828c0SJiri Pirko 8074d4fd361SPetr Machata static inline struct net_bridge_port * 8084d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8094d4fd361SPetr Machata { 8104d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8114d4fd361SPetr Machata } 8124d4fd361SPetr Machata 8131da177e4SLinus Torvalds /* br_ioctl.c */ 814348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 815348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 816348662a1SJoe Perches void __user *arg); 8171da177e4SLinus Torvalds 818eb1d1641SHerbert Xu /* br_multicast.c */ 819eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 820348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 821fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 822348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 823eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8241080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 825348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 826348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 827348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 828348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 829851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 830851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 831348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 832348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 833e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 83437b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 83537b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 836348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 837348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 838ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 839ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 840348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 841348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 8425e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 843aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 844aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 845aa2ae3e7SNikolay Aleksandrov #endif 846348662a1SJoe Perches struct net_bridge_mdb_entry * 84719e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 848348662a1SJoe Perches struct net_bridge_mdb_entry * 84919e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 850348662a1SJoe Perches struct net_bridge_port_group * 851348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 852762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 8538b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 8548f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 85519e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 85619e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 85781f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 85881f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 859949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 860949f1e39SSatish Ashok int type); 861681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 862681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 863681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 8641080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 865a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 8661080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 867b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 8681080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 8691080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 8701080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 87119e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 87219e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 8731bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 8741bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 8758266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 8768266a049SNikolay Aleksandrov u8 filter_mode); 8778266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 8788266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 879474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 880474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 881d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 882d5a10222SNikolay Aleksandrov bool fastleave); 88385b35269SSridhar Samudrala 884955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 885955062b0SNikolay Aleksandrov { 886955062b0SNikolay Aleksandrov return group->proto == 0; 887955062b0SNikolay Aleksandrov } 888955062b0SNikolay Aleksandrov 889cfd56754SCong Wang #define mlock_dereference(X, br) \ 890cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 891cfd56754SCong Wang 89244ebb081SLinus Lüssing static inline struct hlist_node * 893*d3d065c0SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge *br, struct sk_buff *skb) 894*d3d065c0SNikolay Aleksandrov { 895*d3d065c0SNikolay Aleksandrov struct net_bridge_mcast *brmctx = &br->multicast_ctx; 896*d3d065c0SNikolay Aleksandrov 897a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 898a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 899*d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 900a3c02e76SLinus Lüssing #endif 901*d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 90244ebb081SLinus Lüssing } 90344ebb081SLinus Lüssing 90444ebb081SLinus Lüssing static inline struct net_bridge_port * 905*d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 906*d3d065c0SNikolay Aleksandrov { 9079632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9089632233eSNikolay Aleksandrov 909a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 910a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9119632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9129632233eSNikolay Aleksandrov ip6_rlist); 9139632233eSNikolay Aleksandrov else 914a3c02e76SLinus Lüssing #endif 9159632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9169632233eSNikolay Aleksandrov ip4_rlist); 9179632233eSNikolay Aleksandrov 9189632233eSNikolay Aleksandrov if (mctx) 9199632233eSNikolay Aleksandrov return mctx->port; 9209632233eSNikolay Aleksandrov else 9219632233eSNikolay Aleksandrov return NULL; 92244ebb081SLinus Lüssing } 92344ebb081SLinus Lüssing 924*d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 92585b35269SSridhar Samudrala { 926*d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 9271a3065a2SLinus Lüssing } 9281a3065a2SLinus Lüssing 929*d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 9301a3065a2SLinus Lüssing { 9311a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 932*d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 9331a3065a2SLinus Lüssing #else 9341a3065a2SLinus Lüssing return false; 9351a3065a2SLinus Lüssing #endif 9361a3065a2SLinus Lüssing } 9371a3065a2SLinus Lüssing 9381a3065a2SLinus Lüssing static inline bool 9391a3065a2SLinus Lüssing br_multicast_is_router(struct net_bridge *br, struct sk_buff *skb) 9401a3065a2SLinus Lüssing { 941*d3d065c0SNikolay Aleksandrov struct net_bridge_mcast *brmctx = &br->multicast_ctx; 942*d3d065c0SNikolay Aleksandrov 943*d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 9441a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 9451a3065a2SLinus Lüssing return true; 9461a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 9471a3065a2SLinus Lüssing if (skb) { 9481a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 949*d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 9501a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 951*d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 9521a3065a2SLinus Lüssing } else { 953*d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 954*d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 9551a3065a2SLinus Lüssing } 9561a3065a2SLinus Lüssing fallthrough; 9571a3065a2SLinus Lüssing default: 9581a3065a2SLinus Lüssing return false; 9591a3065a2SLinus Lüssing } 96085b35269SSridhar Samudrala } 961b00589afSLinus Lüssing 962cc0fdd80SLinus Lüssing static inline bool 963cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 9640888d5f3Sdaniel struct bridge_mcast_other_query *querier, 9650888d5f3Sdaniel const bool is_ipv6) 966b00589afSLinus Lüssing { 9670888d5f3Sdaniel bool own_querier_enabled; 9680888d5f3Sdaniel 969675779adSNikolay Aleksandrov if (br_opt_get(br, BROPT_MULTICAST_QUERIER)) { 970675779adSNikolay Aleksandrov if (is_ipv6 && !br_opt_get(br, BROPT_HAS_IPV6_ADDR)) 9710888d5f3Sdaniel own_querier_enabled = false; 9720888d5f3Sdaniel else 9730888d5f3Sdaniel own_querier_enabled = true; 9740888d5f3Sdaniel } else { 9750888d5f3Sdaniel own_querier_enabled = false; 9760888d5f3Sdaniel } 9770888d5f3Sdaniel 978cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 9790888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 980cc0fdd80SLinus Lüssing } 981cc0fdd80SLinus Lüssing 982cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 983955062b0SNikolay Aleksandrov struct ethhdr *eth, 984955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 985cc0fdd80SLinus Lüssing { 986cc0fdd80SLinus Lüssing switch (eth->h_proto) { 987cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 9880888d5f3Sdaniel return __br_multicast_querier_exists(br, 989*d3d065c0SNikolay Aleksandrov &br->multicast_ctx.ip4_other_query, false); 990cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 991cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 9920888d5f3Sdaniel return __br_multicast_querier_exists(br, 993*d3d065c0SNikolay Aleksandrov &br->multicast_ctx.ip6_other_query, true); 994cc0fdd80SLinus Lüssing #endif 995cc0fdd80SLinus Lüssing default: 996955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 997cc0fdd80SLinus Lüssing } 998b00589afSLinus Lüssing } 9991080ab95SNikolay Aleksandrov 100088d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 100188d4bd18SNikolay Aleksandrov { 100288d4bd18SNikolay Aleksandrov switch (ip->proto) { 100388d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 100488d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 100588d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 100688d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 100788d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 100888d4bd18SNikolay Aleksandrov #endif 100988d4bd18SNikolay Aleksandrov default: 101088d4bd18SNikolay Aleksandrov return false; 101188d4bd18SNikolay Aleksandrov } 101288d4bd18SNikolay Aleksandrov } 101388d4bd18SNikolay Aleksandrov 10148266a049SNikolay Aleksandrov static inline bool br_multicast_should_handle_mode(const struct net_bridge *br, 10158266a049SNikolay Aleksandrov __be16 proto) 10168266a049SNikolay Aleksandrov { 10178266a049SNikolay Aleksandrov switch (proto) { 10188266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1019*d3d065c0SNikolay Aleksandrov return !!(br->multicast_ctx.multicast_igmp_version == 3); 10208266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 10218266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1022*d3d065c0SNikolay Aleksandrov return !!(br->multicast_ctx.multicast_mld_version == 2); 10238266a049SNikolay Aleksandrov #endif 10248266a049SNikolay Aleksandrov default: 10258266a049SNikolay Aleksandrov return false; 10268266a049SNikolay Aleksandrov } 10278266a049SNikolay Aleksandrov } 10288266a049SNikolay Aleksandrov 10291080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 10301080ab95SNikolay Aleksandrov { 10311080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 10321080ab95SNikolay Aleksandrov } 103342c11ccfSNikolay Aleksandrov 103442c11ccfSNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge *br) 103542c11ccfSNikolay Aleksandrov { 1036*d3d065c0SNikolay Aleksandrov return br->multicast_ctx.multicast_last_member_interval * 1037*d3d065c0SNikolay Aleksandrov br->multicast_ctx.multicast_last_member_count; 103842c11ccfSNikolay Aleksandrov } 10390436862eSNikolay Aleksandrov 10400436862eSNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge *br) 10410436862eSNikolay Aleksandrov { 10420436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 1043*d3d065c0SNikolay Aleksandrov return 2 * br->multicast_ctx.multicast_query_interval + 1044*d3d065c0SNikolay Aleksandrov br->multicast_ctx.multicast_query_response_interval; 10450436862eSNikolay Aleksandrov } 1046eb1d1641SHerbert Xu #else 1047eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 1048eb1d1641SHerbert Xu struct net_bridge_port *port, 104906499098SVlad Yasevich struct sk_buff *skb, 105006499098SVlad Yasevich u16 vid) 1051eb1d1641SHerbert Xu { 1052eb1d1641SHerbert Xu return 0; 1053eb1d1641SHerbert Xu } 1054eb1d1641SHerbert Xu 1055eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 1056fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1057eb1d1641SHerbert Xu { 1058eb1d1641SHerbert Xu return NULL; 1059eb1d1641SHerbert Xu } 1060eb1d1641SHerbert Xu 10611080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1062eb1d1641SHerbert Xu { 10631080ab95SNikolay Aleksandrov return 0; 1064eb1d1641SHerbert Xu } 1065eb1d1641SHerbert Xu 1066eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1067eb1d1641SHerbert Xu { 1068eb1d1641SHerbert Xu } 1069eb1d1641SHerbert Xu 1070eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1071eb1d1641SHerbert Xu { 1072eb1d1641SHerbert Xu } 1073eb1d1641SHerbert Xu 1074eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1075eb1d1641SHerbert Xu { 1076eb1d1641SHerbert Xu } 1077eb1d1641SHerbert Xu 1078eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1079eb1d1641SHerbert Xu { 1080eb1d1641SHerbert Xu } 1081eb1d1641SHerbert Xu 1082851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1083851d0a73SJoseph Huang { 1084851d0a73SJoseph Huang } 1085851d0a73SJoseph Huang 1086851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1087851d0a73SJoseph Huang { 1088851d0a73SJoseph Huang } 1089851d0a73SJoseph Huang 1090eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1091eb1d1641SHerbert Xu { 1092eb1d1641SHerbert Xu } 1093eb1d1641SHerbert Xu 1094eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1095eb1d1641SHerbert Xu { 1096eb1d1641SHerbert Xu } 10975cb5e947SHerbert Xu 1098a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1099a7ce45a7SNikolay Aleksandrov { 1100a7ce45a7SNikolay Aleksandrov } 1101a7ce45a7SNikolay Aleksandrov 110237b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 110337b090e6SNikolay Aleksandrov struct sk_buff *skb, 110437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 11055cb5e947SHerbert Xu { 11065cb5e947SHerbert Xu } 11075cb5e947SHerbert Xu 1108bbc6f2ccSNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge *br, 1109bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1110eb1d1641SHerbert Xu { 111103aaa9e2SGustavo A. R. Silva return false; 1112eb1d1641SHerbert Xu } 111337b090e6SNikolay Aleksandrov 1114cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 1115c43fd36fSVladimir Oltean struct ethhdr *eth, 1116c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1117b00589afSLinus Lüssing { 1118b00589afSLinus Lüssing return false; 1119b00589afSLinus Lüssing } 112037b090e6SNikolay Aleksandrov 1121fdb184d1SRami Rosen static inline void br_mdb_init(void) 1122fdb184d1SRami Rosen { 1123fdb184d1SRami Rosen } 112437b090e6SNikolay Aleksandrov 1125fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1126fdb184d1SRami Rosen { 1127fdb184d1SRami Rosen } 11281080ab95SNikolay Aleksandrov 112919e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 113019e3a9c9SNikolay Aleksandrov { 113119e3a9c9SNikolay Aleksandrov return 0; 113219e3a9c9SNikolay Aleksandrov } 113319e3a9c9SNikolay Aleksandrov 113419e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 113519e3a9c9SNikolay Aleksandrov { 113619e3a9c9SNikolay Aleksandrov } 113719e3a9c9SNikolay Aleksandrov 11381080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 11391080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1140a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1141a65056ecSNikolay Aleksandrov u8 type, u8 dir) 11421080ab95SNikolay Aleksandrov { 11431080ab95SNikolay Aleksandrov } 11441080ab95SNikolay Aleksandrov 11451080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 11461080ab95SNikolay Aleksandrov { 11471080ab95SNikolay Aleksandrov return 0; 11481080ab95SNikolay Aleksandrov } 11491080ab95SNikolay Aleksandrov 1150b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1151b6fe0440SIdo Schimmel { 1152b6fe0440SIdo Schimmel } 1153b6fe0440SIdo Schimmel 11541080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11551080ab95SNikolay Aleksandrov { 11561080ab95SNikolay Aleksandrov return 0; 11571080ab95SNikolay Aleksandrov } 115885b35269SSridhar Samudrala #endif 1159eb1d1641SHerbert Xu 1160243a2e63SVlad Yasevich /* br_vlan.c */ 1161243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 116277751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 116377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1164a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 116577751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 116685f46c6bSVlad Yasevich const struct sk_buff *skb); 1167e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1168348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 116911538d03SRoopa Prabhu const struct net_bridge_port *port, 11702594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 117178851988SVlad Yasevich struct sk_buff *skb); 1172f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1173169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1174348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1175348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 11762594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1177204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 11789e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 11799e781401SVladimir Oltean struct netlink_ext_ack *extack); 1180dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1181dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 11829e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 11839e781401SVladimir Oltean struct netlink_ext_ack *extack); 11846dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 11859163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 11865be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 11879e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 11889e781401SVladimir Oltean struct netlink_ext_ack *extack); 1189169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1190169327d5SPetr Machata struct netlink_ext_ack *extack); 1191f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1192169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1193348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1194348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1195169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 11962594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1197a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1198281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 11999c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1200091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 12019c0ec2e7SMike Manning void *ptr); 12028dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 12038dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1204cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1205cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1206cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1207cf5bddb9SNikolay Aleksandrov int cmd); 1208a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1209a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1210a37b85c9SVlad Yasevich 1211bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1212bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1213bcf2766bSFelix Fietkau struct net_device_path *path); 1214bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1215bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1216bcf2766bSFelix Fietkau struct net_device_path *path); 1217bcf2766bSFelix Fietkau 12182594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1219a37b85c9SVlad Yasevich const struct net_bridge *br) 1220a37b85c9SVlad Yasevich { 1221907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1222a37b85c9SVlad Yasevich } 1223a37b85c9SVlad Yasevich 12242594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1225a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1226a37b85c9SVlad Yasevich { 1227907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1228907b1e6eSNikolay Aleksandrov } 1229907b1e6eSNikolay Aleksandrov 1230907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1231907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1232907b1e6eSNikolay Aleksandrov { 1233907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1234907b1e6eSNikolay Aleksandrov } 1235907b1e6eSNikolay Aleksandrov 1236907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1237907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1238907b1e6eSNikolay Aleksandrov { 1239907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1240a37b85c9SVlad Yasevich } 1241a37b85c9SVlad Yasevich 1242a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1243a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1244a37b85c9SVlad Yasevich */ 1245a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1246a37b85c9SVlad Yasevich { 1247a37b85c9SVlad Yasevich int err = 0; 1248a37b85c9SVlad Yasevich 12492594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 12505978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 12512594e906SNikolay Aleksandrov } else { 1252a37b85c9SVlad Yasevich *vid = 0; 1253a37b85c9SVlad Yasevich err = -EINVAL; 1254a37b85c9SVlad Yasevich } 1255a37b85c9SVlad Yasevich 1256a37b85c9SVlad Yasevich return err; 1257a37b85c9SVlad Yasevich } 125878851988SVlad Yasevich 125977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 126078851988SVlad Yasevich { 126177751ee8SNikolay Aleksandrov if (!vg) 12625be5a2dfSVlad Yasevich return 0; 12635be5a2dfSVlad Yasevich 126478851988SVlad Yasevich smp_rmb(); 126577751ee8SNikolay Aleksandrov return vg->pvid; 126678851988SVlad Yasevich } 126778851988SVlad Yasevich 12688dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 12698dcea187SNikolay Aleksandrov { 12708dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 12718dcea187SNikolay Aleksandrov } 1272243a2e63SVlad Yasevich #else 127377751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 127477751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 12752594e906SNikolay Aleksandrov struct sk_buff *skb, 1276a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 12772594e906SNikolay Aleksandrov { 12782594e906SNikolay Aleksandrov return true; 12792594e906SNikolay Aleksandrov } 12802594e906SNikolay Aleksandrov 12812594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 128285f46c6bSVlad Yasevich const struct sk_buff *skb) 128385f46c6bSVlad Yasevich { 128485f46c6bSVlad Yasevich return true; 128585f46c6bSVlad Yasevich } 128685f46c6bSVlad Yasevich 1287e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1288e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1289e0d7968aSToshiaki Makita { 1290e0d7968aSToshiaki Makita return true; 1291e0d7968aSToshiaki Makita } 1292e0d7968aSToshiaki Makita 129378851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 129411538d03SRoopa Prabhu const struct net_bridge_port *port, 12952594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 129678851988SVlad Yasevich struct sk_buff *skb) 129778851988SVlad Yasevich { 129878851988SVlad Yasevich return skb; 129978851988SVlad Yasevich } 130078851988SVlad Yasevich 1301f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1302169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1303243a2e63SVlad Yasevich { 1304f418af63SNikolay Aleksandrov *changed = false; 1305243a2e63SVlad Yasevich return -EOPNOTSUPP; 1306243a2e63SVlad Yasevich } 1307243a2e63SVlad Yasevich 1308243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1309243a2e63SVlad Yasevich { 1310243a2e63SVlad Yasevich return -EOPNOTSUPP; 1311243a2e63SVlad Yasevich } 1312243a2e63SVlad Yasevich 1313243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1314243a2e63SVlad Yasevich { 1315243a2e63SVlad Yasevich } 1316243a2e63SVlad Yasevich 1317204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1318204177f3SToshiaki Makita { 1319204177f3SToshiaki Makita } 1320204177f3SToshiaki Makita 13215be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 13228580e211SToshiaki Makita { 13235be5a2dfSVlad Yasevich return 0; 13248580e211SToshiaki Makita } 13258580e211SToshiaki Makita 1326f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1327169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1328243a2e63SVlad Yasevich { 1329f418af63SNikolay Aleksandrov *changed = false; 1330243a2e63SVlad Yasevich return -EOPNOTSUPP; 1331243a2e63SVlad Yasevich } 1332243a2e63SVlad Yasevich 1333243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1334243a2e63SVlad Yasevich { 1335243a2e63SVlad Yasevich return -EOPNOTSUPP; 1336243a2e63SVlad Yasevich } 1337243a2e63SVlad Yasevich 1338243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1339243a2e63SVlad Yasevich { 1340243a2e63SVlad Yasevich } 1341243a2e63SVlad Yasevich 13422594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 13432594e906SNikolay Aleksandrov u16 vid) 1344a37b85c9SVlad Yasevich { 1345a37b85c9SVlad Yasevich return NULL; 1346a37b85c9SVlad Yasevich } 1347bc9a25d2SVlad Yasevich 1348169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1349169327d5SPetr Machata struct netlink_ext_ack *extack) 13505be5a2dfSVlad Yasevich { 13515be5a2dfSVlad Yasevich return 0; 13525be5a2dfSVlad Yasevich } 13535be5a2dfSVlad Yasevich 135478851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1355a37b85c9SVlad Yasevich { 1356a37b85c9SVlad Yasevich return 0; 1357a37b85c9SVlad Yasevich } 13582594e906SNikolay Aleksandrov 135977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 136078851988SVlad Yasevich { 13613df6bf45SVlad Yasevich return 0; 136278851988SVlad Yasevich } 13632796d0c6SVlad Yasevich 13647a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1365c97f47e3SVladimir Oltean unsigned long val, 1366c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1367a7854037SNikolay Aleksandrov { 1368a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1369a7854037SNikolay Aleksandrov } 13702594e906SNikolay Aleksandrov 13712594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 13722594e906SNikolay Aleksandrov u32 filter_mask) 13732594e906SNikolay Aleksandrov { 13742594e906SNikolay Aleksandrov return 0; 13752594e906SNikolay Aleksandrov } 13762594e906SNikolay Aleksandrov 1377bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1378bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1379bcf2766bSFelix Fietkau struct net_device_path *path) 1380bcf2766bSFelix Fietkau { 1381bcf2766bSFelix Fietkau } 1382bcf2766bSFelix Fietkau 1383bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1384bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1385bcf2766bSFelix Fietkau struct net_device_path *path) 1386bcf2766bSFelix Fietkau { 1387bcf2766bSFelix Fietkau return 0; 1388bcf2766bSFelix Fietkau } 1389bcf2766bSFelix Fietkau 13902594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 13912594e906SNikolay Aleksandrov const struct net_bridge *br) 13922594e906SNikolay Aleksandrov { 13932594e906SNikolay Aleksandrov return NULL; 13942594e906SNikolay Aleksandrov } 13952594e906SNikolay Aleksandrov 13962594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 13972594e906SNikolay Aleksandrov const struct net_bridge_port *p) 13982594e906SNikolay Aleksandrov { 13992594e906SNikolay Aleksandrov return NULL; 14002594e906SNikolay Aleksandrov } 1401907b1e6eSNikolay Aleksandrov 1402907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1403907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1404907b1e6eSNikolay Aleksandrov { 1405907b1e6eSNikolay Aleksandrov return NULL; 1406907b1e6eSNikolay Aleksandrov } 1407907b1e6eSNikolay Aleksandrov 1408907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1409907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1410907b1e6eSNikolay Aleksandrov { 1411907b1e6eSNikolay Aleksandrov return NULL; 1412907b1e6eSNikolay Aleksandrov } 1413a60c0903SNikolay Aleksandrov 1414a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1415281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1416a60c0903SNikolay Aleksandrov { 1417a60c0903SNikolay Aleksandrov } 14189c0ec2e7SMike Manning 14199c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 14209c0ec2e7SMike Manning unsigned long event) 14219c0ec2e7SMike Manning { 14229c0ec2e7SMike Manning } 14239c0ec2e7SMike Manning 1424091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 14259c0ec2e7SMike Manning unsigned long event, void *ptr) 14269c0ec2e7SMike Manning { 1427091adf9bSNikolay Aleksandrov return 0; 14289c0ec2e7SMike Manning } 14298dcea187SNikolay Aleksandrov 14308dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 14318dcea187SNikolay Aleksandrov { 14328dcea187SNikolay Aleksandrov } 14338dcea187SNikolay Aleksandrov 14348dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 14358dcea187SNikolay Aleksandrov { 14368dcea187SNikolay Aleksandrov } 1437cf5bddb9SNikolay Aleksandrov 1438cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1439cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1440cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1441cf5bddb9SNikolay Aleksandrov int cmd) 1442cf5bddb9SNikolay Aleksandrov { 1443cf5bddb9SNikolay Aleksandrov } 1444528ae84aSNikolay Aleksandrov 1445528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1446528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1447528ae84aSNikolay Aleksandrov { 1448528ae84aSNikolay Aleksandrov return true; 1449528ae84aSNikolay Aleksandrov } 1450243a2e63SVlad Yasevich #endif 1451243a2e63SVlad Yasevich 14527a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 14537a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 145499f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 145599f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 14567a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 14577a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1458a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1459a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1460a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1461a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1462a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1463a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1464a580c76dSNikolay Aleksandrov 1465a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1466a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1467a580c76dSNikolay Aleksandrov { 1468a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1469a580c76dSNikolay Aleksandrov } 1470a580c76dSNikolay Aleksandrov 1471a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1472a580c76dSNikolay Aleksandrov { 1473a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1474a580c76dSNikolay Aleksandrov } 1475a580c76dSNikolay Aleksandrov 1476a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1477a580c76dSNikolay Aleksandrov { 1478a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1479a580c76dSNikolay Aleksandrov } 1480a580c76dSNikolay Aleksandrov 1481a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1482a580c76dSNikolay Aleksandrov u8 state) 1483a580c76dSNikolay Aleksandrov { 1484a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1485a580c76dSNikolay Aleksandrov } 1486a580c76dSNikolay Aleksandrov 1487a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1488a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1489a580c76dSNikolay Aleksandrov { 1490a580c76dSNikolay Aleksandrov switch (state) { 1491a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1492a580c76dSNikolay Aleksandrov return learn_allow; 1493a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1494a580c76dSNikolay Aleksandrov return true; 1495a580c76dSNikolay Aleksandrov default: 1496a580c76dSNikolay Aleksandrov return false; 1497a580c76dSNikolay Aleksandrov } 1498a580c76dSNikolay Aleksandrov } 14997a53e718SNikolay Aleksandrov #endif 15007a53e718SNikolay Aleksandrov 15011a4ba64dSPablo Neira Ayuso struct nf_br_ops { 15021a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 15031a4ba64dSPablo Neira Ayuso }; 15041a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 15051a4ba64dSPablo Neira Ayuso 15061da177e4SLinus Torvalds /* br_netfilter.c */ 150734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 150834666d46SPablo Neira Ayuso int br_nf_core_init(void); 150934666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1510348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1511c0909713SStephen Hemminger #else 151234666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 151334666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 15144adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1515c0909713SStephen Hemminger #endif 15161da177e4SLinus Torvalds 15171da177e4SLinus Torvalds /* br_stp.c */ 1518775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1519348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1520348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1521348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 15221da177e4SLinus Torvalds 1523348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1524348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1525348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1526348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 152782dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 15289e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 152914f98f25Sstephen hemminger 153014f98f25Sstephen hemminger 15311da177e4SLinus Torvalds /* br_stp_if.c */ 1532348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1533348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1534419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1535419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1536348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1537348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1538348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1539348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1540348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1541348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1542348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1543348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 15441da177e4SLinus Torvalds 15451da177e4SLinus Torvalds /* br_stp_bpdu.c */ 15467c85fbf0SPatrick McHardy struct stp_proto; 1547348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 15487c85fbf0SPatrick McHardy struct net_device *dev); 15491da177e4SLinus Torvalds 15501da177e4SLinus Torvalds /* br_stp_timer.c */ 1551348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1552348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1553348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 15541da177e4SLinus Torvalds 15551da177e4SLinus Torvalds /* br.c */ 1556e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1557da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1558da678292SMichał Mirosław #endif 15591da177e4SLinus Torvalds 156065369933SHoratiu Vultur /* br_mrp.c */ 156165369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 156265369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 156365369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 156465369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 156565369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1566df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 156765369933SHoratiu Vultur #else 156865369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 156965369933SHoratiu Vultur struct nlattr *attr, int cmd, 157065369933SHoratiu Vultur struct netlink_ext_ack *extack) 157165369933SHoratiu Vultur { 157265369933SHoratiu Vultur return -EOPNOTSUPP; 157365369933SHoratiu Vultur } 157465369933SHoratiu Vultur 157565369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 157665369933SHoratiu Vultur { 15778741e184SJason Yan return false; 157865369933SHoratiu Vultur } 157965369933SHoratiu Vultur 158065369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 158165369933SHoratiu Vultur struct net_bridge_port *p) 158265369933SHoratiu Vultur { 158365369933SHoratiu Vultur } 1584df42ef22SHoratiu Vultur 1585df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1586df42ef22SHoratiu Vultur { 1587df42ef22SHoratiu Vultur return 0; 1588df42ef22SHoratiu Vultur } 1589df42ef22SHoratiu Vultur 159065369933SHoratiu Vultur #endif 159165369933SHoratiu Vultur 15922be665c3SHenrik Bjoernlund /* br_cfm.c */ 159386a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 15942be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 15952be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 15962be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 159786a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 15985e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1599b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1600b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1601b6d0425bSHenrik Bjoernlund bool getlink); 1602b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1603b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 160486a14b79SHenrik Bjoernlund #else 16052be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 16062be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 16072be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 16082be665c3SHenrik Bjoernlund { 16092be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 16102be665c3SHenrik Bjoernlund } 16112be665c3SHenrik Bjoernlund 16122be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 16132be665c3SHenrik Bjoernlund { 16142be665c3SHenrik Bjoernlund return false; 16152be665c3SHenrik Bjoernlund } 16162be665c3SHenrik Bjoernlund 161786a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 161886a14b79SHenrik Bjoernlund struct net_bridge_port *p) 161986a14b79SHenrik Bjoernlund { 162086a14b79SHenrik Bjoernlund } 16215e312fc0SHenrik Bjoernlund 16225e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 16235e312fc0SHenrik Bjoernlund { 16245e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 16255e312fc0SHenrik Bjoernlund } 1626e77824d8SHenrik Bjoernlund 1627b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1628b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1629b6d0425bSHenrik Bjoernlund bool getlink) 1630b6d0425bSHenrik Bjoernlund { 1631b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1632b6d0425bSHenrik Bjoernlund } 1633b6d0425bSHenrik Bjoernlund 1634b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1635b6d0425bSHenrik Bjoernlund { 1636b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1637b6d0425bSHenrik Bjoernlund } 1638b6d0425bSHenrik Bjoernlund 1639b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1640e77824d8SHenrik Bjoernlund { 1641e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1642e77824d8SHenrik Bjoernlund } 164386a14b79SHenrik Bjoernlund #endif 164486a14b79SHenrik Bjoernlund 164511dc1f36SStephen Hemminger /* br_netlink.c */ 1646149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1647348662a1SJoe Perches int br_netlink_init(void); 1648348662a1SJoe Perches void br_netlink_fini(void); 164992899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 165092899063SNikolay Aleksandrov const struct net_bridge_port *port); 1651b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1652b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 16532fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 16542fd527b7SPetr Machata struct netlink_ext_ack *extack); 1655add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1656348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 165746c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1658f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1659f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1660f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1661f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1662f26b2965SNikolay Aleksandrov bool *changed, 1663f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 166411dc1f36SStephen Hemminger 16651da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 16661da177e4SLinus Torvalds /* br_sysfs_if.c */ 166752cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1668348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1669348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvalds /* br_sysfs_br.c */ 1672348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1673348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 16741da177e4SLinus Torvalds 16751da177e4SLinus Torvalds #else 16761da177e4SLinus Torvalds 16770cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 16780cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 16790cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 16800cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 16811da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 16821da177e4SLinus Torvalds 16836bc506b4SIdo Schimmel /* br_switchdev.c */ 16846bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 16856bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 16866bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 16876bc506b4SIdo Schimmel struct sk_buff *skb); 16886bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 16896bc506b4SIdo Schimmel const struct sk_buff *skb); 16903922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 16913922285dSArkadi Sharshevsky unsigned long flags, 1692078bbb85SVladimir Oltean unsigned long mask, 1693078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 16946eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 16956eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1696169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1697169327d5SPetr Machata struct netlink_ext_ack *extack); 1698d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1699f1c2eddfSIdo Schimmel 1700f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1701f1c2eddfSIdo Schimmel { 1702f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1703f1c2eddfSIdo Schimmel } 17046bc506b4SIdo Schimmel #else 17056bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 17066bc506b4SIdo Schimmel { 17076bc506b4SIdo Schimmel return 0; 17086bc506b4SIdo Schimmel } 17096bc506b4SIdo Schimmel 17106bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 17116bc506b4SIdo Schimmel struct sk_buff *skb) 17126bc506b4SIdo Schimmel { 17136bc506b4SIdo Schimmel } 17146bc506b4SIdo Schimmel 17156bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 17166bc506b4SIdo Schimmel const struct sk_buff *skb) 17176bc506b4SIdo Schimmel { 17186bc506b4SIdo Schimmel return true; 17196bc506b4SIdo Schimmel } 17203922285dSArkadi Sharshevsky 17213922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 17223922285dSArkadi Sharshevsky unsigned long flags, 1723078bbb85SVladimir Oltean unsigned long mask, 1724078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 17253922285dSArkadi Sharshevsky { 17263922285dSArkadi Sharshevsky return 0; 17273922285dSArkadi Sharshevsky } 17286b26b51bSArkadi Sharshevsky 1729d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1730169327d5SPetr Machata u16 vid, u16 flags, 1731169327d5SPetr Machata struct netlink_ext_ack *extack) 1732d66e4348SPetr Machata { 1733d66e4348SPetr Machata return -EOPNOTSUPP; 1734d66e4348SPetr Machata } 1735d66e4348SPetr Machata 1736d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1737d66e4348SPetr Machata { 1738d66e4348SPetr Machata return -EOPNOTSUPP; 1739d66e4348SPetr Machata } 1740d66e4348SPetr Machata 17416b26b51bSArkadi Sharshevsky static inline void 17426eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 17436eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 17446b26b51bSArkadi Sharshevsky { 17456b26b51bSArkadi Sharshevsky } 1746f1c2eddfSIdo Schimmel 1747f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1748f1c2eddfSIdo Schimmel { 1749f1c2eddfSIdo Schimmel } 17506bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 17516bc506b4SIdo Schimmel 1752057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1753821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1754057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1755057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1756ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1757ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1758ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 17591da177e4SLinus Torvalds #endif 1760