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 3199b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 32*f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 33d08c6bc0SNikolay Aleksandrov 3485826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3585826610STobias Waldekranz 369cde0708SStephen Hemminger #define BR_VERSION "2.3" 379cde0708SStephen Hemminger 38515853ccSstephen hemminger /* Control of forwarding link local multicast */ 39515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 40784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 415af48b59SNikolay Aleksandrov enum { 425af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 435af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 455af48b59SNikolay Aleksandrov }; 465af48b59SNikolay Aleksandrov 475af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 485af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 49f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 50f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 51515853ccSstephen hemminger 529cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 539cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 548cbb512eSStephen Hemminger 5531cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5631cbc39bSNikolay Aleksandrov 571da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 581da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 591da177e4SLinus Torvalds typedef __u16 port_id; 601da177e4SLinus Torvalds 611c1cb6d0SNikolay Aleksandrov struct bridge_id { 621da177e4SLinus Torvalds unsigned char prio[2]; 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661c1cb6d0SNikolay Aleksandrov struct mac_addr { 67e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 70cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 71cc0fdd80SLinus Lüssing /* our own querier */ 7290010b36SLinus Lüssing struct bridge_mcast_own_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing u32 startup_sent; 75cc0fdd80SLinus Lüssing }; 76cc0fdd80SLinus Lüssing 77cc0fdd80SLinus Lüssing /* other querier */ 7890010b36SLinus Lüssing struct bridge_mcast_other_query { 79cc0fdd80SLinus Lüssing struct timer_list timer; 80cc0fdd80SLinus Lüssing unsigned long delay_time; 81cc0fdd80SLinus Lüssing }; 82dc4eb53aSLinus Lüssing 83dc4eb53aSLinus Lüssing /* selected querier */ 84dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 85dc4eb53aSLinus Lüssing struct br_ip addr; 86bb18ef8eSNikolay Aleksandrov int port_ifidx; 87f936bb42SThomas Gleixner seqcount_spinlock_t seq; 88dc4eb53aSLinus Lüssing }; 891080ab95SNikolay Aleksandrov 901080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 911080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 921080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 931080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 941080ab95SNikolay Aleksandrov }; 95cc0fdd80SLinus Lüssing #endif 96cc0fdd80SLinus Lüssing 979632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 989632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 999632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1009632233eSNikolay Aleksandrov struct net_bridge_port *port; 101613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1029632233eSNikolay Aleksandrov 1039632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1049632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1059632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1069632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1079632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1089632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1099632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1109632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1119632233eSNikolay Aleksandrov unsigned char multicast_router; 1129632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1139632233eSNikolay Aleksandrov }; 1149632233eSNikolay Aleksandrov 115d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 116d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 117d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 118d3d065c0SNikolay Aleksandrov struct net_bridge *br; 119613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 120d3d065c0SNikolay Aleksandrov 121d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 122d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 123d3d065c0SNikolay Aleksandrov 1244d5b4e84SNikolay Aleksandrov u8 multicast_querier; 125d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 126d3d065c0SNikolay Aleksandrov u8 multicast_router; 127d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 128d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 129d3d065c0SNikolay Aleksandrov #endif 130d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 133d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 134d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 135d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 136d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 137d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 139d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 140d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 141d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 142d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 143d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 144d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 145d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 146d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 147d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 148d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 149d3d065c0SNikolay Aleksandrov }; 150d3d065c0SNikolay Aleksandrov 151efa5356bSRoopa Prabhu struct br_tunnel_info { 152efa5356bSRoopa Prabhu __be64 tunnel_id; 15358e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 154efa5356bSRoopa Prabhu }; 155efa5356bSRoopa Prabhu 1569d332e69SNikolay Aleksandrov /* private vlan flags */ 1579d332e69SNikolay Aleksandrov enum { 1589d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15927973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1607b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1617b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1629d332e69SNikolay Aleksandrov }; 1639d332e69SNikolay Aleksandrov 1642594e906SNikolay Aleksandrov /** 1652594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1662594e906SNikolay Aleksandrov * 1672594e906SNikolay Aleksandrov * @vnode: rhashtable member 1682594e906SNikolay Aleksandrov * @vid: VLAN id 1692594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1709d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 171a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1726dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1732594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1742594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1752594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1762594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1772594e906SNikolay Aleksandrov * for this VLAN entry 178613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 179613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 180613d61dbSNikolay Aleksandrov * context 1812594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1822594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1832594e906SNikolay Aleksandrov * 1842594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1852594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1862594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1872594e906SNikolay Aleksandrov * the entry flags that are set. 1882594e906SNikolay Aleksandrov */ 1892594e906SNikolay Aleksandrov struct net_bridge_vlan { 1902594e906SNikolay Aleksandrov struct rhash_head vnode; 191efa5356bSRoopa Prabhu struct rhash_head tnode; 1922594e906SNikolay Aleksandrov u16 vid; 1932594e906SNikolay Aleksandrov u16 flags; 1949d332e69SNikolay Aleksandrov u16 priv_flags; 195a580c76dSNikolay Aleksandrov u8 state; 196281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 197243a2e63SVlad Yasevich union { 198243a2e63SVlad Yasevich struct net_bridge *br; 1992594e906SNikolay Aleksandrov struct net_bridge_port *port; 2002594e906SNikolay Aleksandrov }; 2012594e906SNikolay Aleksandrov union { 20225127759SReshetova, Elena refcount_t refcnt; 2032594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2042594e906SNikolay Aleksandrov }; 205efa5356bSRoopa Prabhu 206efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 207efa5356bSRoopa Prabhu 208613d61dbSNikolay Aleksandrov union { 209613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 210613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 211613d61dbSNikolay Aleksandrov }; 212613d61dbSNikolay Aleksandrov 2132594e906SNikolay Aleksandrov struct list_head vlist; 2142594e906SNikolay Aleksandrov 215243a2e63SVlad Yasevich struct rcu_head rcu; 2162594e906SNikolay Aleksandrov }; 2172594e906SNikolay Aleksandrov 2182594e906SNikolay Aleksandrov /** 2192594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2202594e906SNikolay Aleksandrov * 2212594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2222594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2232594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22477751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 225a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2262594e906SNikolay Aleksandrov * 2272594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2282594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2292594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2302594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2312594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2322594e906SNikolay Aleksandrov */ 2332594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2342594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 235efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2362594e906SNikolay Aleksandrov struct list_head vlan_list; 2376cbdceebSVlad Yasevich u16 num_vlans; 23877751ee8SNikolay Aleksandrov u16 pvid; 239a580c76dSNikolay Aleksandrov u8 pvid_state; 240243a2e63SVlad Yasevich }; 241243a2e63SVlad Yasevich 2426869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2436869c3b0SNikolay Aleksandrov enum { 2446869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24529e63fffSNikolay Aleksandrov BR_FDB_STATIC, 246e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 247ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 248b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 249d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 25031cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 25131cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2526869c3b0SNikolay Aleksandrov }; 2536869c3b0SNikolay Aleksandrov 254eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 255eb793583SNikolay Aleksandrov mac_addr addr; 256eb793583SNikolay Aleksandrov u16 vlan_id; 257eb793583SNikolay Aleksandrov }; 258eb793583SNikolay Aleksandrov 2591214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 260eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2611da177e4SLinus Torvalds struct net_bridge_port *dst; 2621da177e4SLinus Torvalds 263eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 264eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2656869c3b0SNikolay Aleksandrov unsigned long flags; 2661214628cSNikolay Aleksandrov 2671214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2681214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2691214628cSNikolay Aleksandrov unsigned long used; 2701214628cSNikolay Aleksandrov 271b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2721da177e4SLinus Torvalds }; 2731da177e4SLinus Torvalds 2749d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2759d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2763247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2778266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2789116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2799d06b6d8SElad Raz 2808b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2818b671779SNikolay Aleksandrov 2828b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2838b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 284b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2858b671779SNikolay Aleksandrov 286e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 287e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 288e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 289e12cec65SNikolay Aleksandrov }; 290e12cec65SNikolay Aleksandrov 2918b671779SNikolay Aleksandrov struct net_bridge_group_src { 2928b671779SNikolay Aleksandrov struct hlist_node node; 2938b671779SNikolay Aleksandrov 2948b671779SNikolay Aleksandrov struct br_ip addr; 2958b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2968b671779SNikolay Aleksandrov u8 flags; 297438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2988b671779SNikolay Aleksandrov struct timer_list timer; 2998b671779SNikolay Aleksandrov 3008b671779SNikolay Aleksandrov struct net_bridge *br; 301e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3028b671779SNikolay Aleksandrov struct rcu_head rcu; 3038b671779SNikolay Aleksandrov }; 3048b671779SNikolay Aleksandrov 305085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 306eb1d1641SHerbert Xu struct net_bridge_port *port; 3078ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 308085b53c8SNikolay Aleksandrov }; 309085b53c8SNikolay Aleksandrov 310085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 311085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 312085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 313206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3149d06b6d8SElad Raz unsigned char flags; 3158b671779SNikolay Aleksandrov unsigned char filter_mode; 31642c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3178f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3186ec0d0eeSNikolay Aleksandrov 3198b671779SNikolay Aleksandrov struct hlist_head src_list; 3208b671779SNikolay Aleksandrov unsigned int src_ents; 3216ec0d0eeSNikolay Aleksandrov struct timer_list timer; 32242c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3236ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3248f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3258f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3266ec0d0eeSNikolay Aleksandrov 327085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 328e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3296ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 330eb1d1641SHerbert Xu }; 331eb1d1641SHerbert Xu 3321c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 33319e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 334eb1d1641SHerbert Xu struct net_bridge *br; 335e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3368ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 337ff0fd34eSAndrew Lunn bool host_joined; 3386ec0d0eeSNikolay Aleksandrov 3396ec0d0eeSNikolay Aleksandrov struct timer_list timer; 34019e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3416ec0d0eeSNikolay Aleksandrov 342e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3436ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 344eb1d1641SHerbert Xu }; 345eb1d1641SHerbert Xu 3461f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3471da177e4SLinus Torvalds struct net_bridge *br; 3481da177e4SLinus Torvalds struct net_device *dev; 3491da177e4SLinus Torvalds struct list_head list; 3501da177e4SLinus Torvalds 3511f90c7f3SNikolay Aleksandrov unsigned long flags; 3521f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3531f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3541f90c7f3SNikolay Aleksandrov #endif 3552756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3561f90c7f3SNikolay Aleksandrov 3571da177e4SLinus Torvalds /* STP */ 3581da177e4SLinus Torvalds u8 priority; 3591da177e4SLinus Torvalds u8 state; 3601da177e4SLinus Torvalds u16 port_no; 3611da177e4SLinus Torvalds unsigned char topology_change_ack; 3621da177e4SLinus Torvalds unsigned char config_pending; 3631da177e4SLinus Torvalds port_id port_id; 3641da177e4SLinus Torvalds port_id designated_port; 3651da177e4SLinus Torvalds bridge_id designated_root; 3661da177e4SLinus Torvalds bridge_id designated_bridge; 3671da177e4SLinus Torvalds u32 path_cost; 3681da177e4SLinus Torvalds u32 designated_cost; 3690c03150eSstephen hemminger unsigned long designated_age; 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3721da177e4SLinus Torvalds struct timer_list hold_timer; 3731da177e4SLinus Torvalds struct timer_list message_age_timer; 3741da177e4SLinus Torvalds struct kobject kobj; 3751da177e4SLinus Torvalds struct rcu_head rcu; 3763982d3d2SFischer, Anna 3779632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3789632233eSNikolay Aleksandrov 379eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3809632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3819632233eSNikolay Aleksandrov 38289268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38389268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 384eb1d1641SHerbert Xu struct hlist_head mglist; 385eb1d1641SHerbert Xu #endif 386e0f43752SSimon Arlott 387e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 388e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 389e0f43752SSimon Arlott #endif 39091d2c34aSHerbert Xu 39191d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 39291d2c34aSHerbert Xu struct netpoll *np; 39391d2c34aSHerbert Xu #endif 3946bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 395f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 396f7cf972fSTobias Waldekranz * hardware domain. 397f7cf972fSTobias Waldekranz */ 398f7cf972fSTobias Waldekranz int hwdom; 3992f5dc00fSVladimir Oltean int offload_count; 4002f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4016bc506b4SIdo Schimmel #endif 4025af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4032756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 404de179966SVivien Didelot 405de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4061da177e4SLinus Torvalds }; 4071da177e4SLinus Torvalds 408705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 409705e0deaSTyler Hicks 410e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 411f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 412e028e4b8SVlad Yasevich 413b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 414b5ed54e9Sstephen hemminger { 415716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 416b5ed54e9Sstephen hemminger } 417b5ed54e9Sstephen hemminger 4181fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 419b5ed54e9Sstephen hemminger { 42035f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 421ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 422b5ed54e9Sstephen hemminger } 423b5ed54e9Sstephen hemminger 4240baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4250baa10ffSArkadi Sharshevsky { 42635f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4270baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4280baa10ffSArkadi Sharshevsky } 4290baa10ffSArkadi Sharshevsky 430ae75767eSNikolay Aleksandrov enum net_bridge_opts { 431ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 432ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4338df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4348df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4358df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 436be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 43713cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 438675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 439675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 440675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 441c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4423341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4439163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44470e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4459c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 446f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 447ae75767eSNikolay Aleksandrov }; 448ae75767eSNikolay Aleksandrov 4491f90c7f3SNikolay Aleksandrov struct net_bridge { 4501da177e4SLinus Torvalds spinlock_t lock; 4511f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 45290c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4531da177e4SLinus Torvalds struct net_device *dev; 454ae75767eSNikolay Aleksandrov unsigned long options; 4551f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4561f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4571f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4581f90c7f3SNikolay Aleksandrov u16 default_pvid; 4591f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4601f90c7f3SNikolay Aleksandrov #endif 4611f90c7f3SNikolay Aleksandrov 462eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46390c628ddSHenrik Bjoernlund struct list_head port_list; 46434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 465efb6de9bSBernhard Thaler union { 4664adf0af6SSimon Wunderlich struct rtable fake_rtable; 467efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 468efb6de9bSBernhard Thaler }; 4694adf0af6SSimon Wunderlich #endif 470515853ccSstephen hemminger u16 group_fwd_mask; 471f2808d22SToshiaki Makita u16 group_fwd_mask_required; 472515853ccSstephen hemminger 4731da177e4SLinus Torvalds /* STP */ 4741da177e4SLinus Torvalds bridge_id designated_root; 4751da177e4SLinus Torvalds bridge_id bridge_id; 4761f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4771f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4781f90c7f3SNikolay Aleksandrov u16 root_port; 4791da177e4SLinus Torvalds unsigned long max_age; 4801da177e4SLinus Torvalds unsigned long hello_time; 4811da177e4SLinus Torvalds unsigned long forward_delay; 4821da177e4SLinus Torvalds unsigned long ageing_time; 48334d8acd8SVivien Didelot unsigned long bridge_max_age; 4841da177e4SLinus Torvalds unsigned long bridge_hello_time; 4851da177e4SLinus Torvalds unsigned long bridge_forward_delay; 48634d8acd8SVivien Didelot unsigned long bridge_ageing_time; 48735750b0bSNikolay Aleksandrov u32 root_path_cost; 4881da177e4SLinus Torvalds 489fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4909cde0708SStephen Hemminger 4919cde0708SStephen Hemminger enum { 4929cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4939cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4949cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4959cde0708SStephen Hemminger } stp_enabled; 4969cde0708SStephen Hemminger 497d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 498d3d065c0SNikolay Aleksandrov 499eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 500d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 501eb1d1641SHerbert Xu 502eb1d1641SHerbert Xu u32 hash_max; 503eb1d1641SHerbert Xu 50435750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 505eb1d1641SHerbert Xu 50619e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 507085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 50819e3a9c9SNikolay Aleksandrov 509e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 51019e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 511eb1d1641SHerbert Xu 512e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 513eb1d1641SHerbert Xu #endif 514eb1d1641SHerbert Xu 5151da177e4SLinus Torvalds struct timer_list hello_timer; 5161da177e4SLinus Torvalds struct timer_list tcn_timer; 5171da177e4SLinus Torvalds struct timer_list topology_change_timer; 518f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 51943b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 520e028e4b8SVlad Yasevich u32 auto_cnt; 5216bc506b4SIdo Schimmel 5226bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 523f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 524f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 525f7cf972fSTobias Waldekranz */ 526f7cf972fSTobias Waldekranz int last_hwdom; 52785826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 52885826610STobias Waldekranz unsigned long busy_hwdoms; 5296bc506b4SIdo Schimmel #endif 530eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5314b8d7d4cSHoratiu Vultur 5324b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5330169b820SHoratiu Vultur struct hlist_head mrp_list; 5344b8d7d4cSHoratiu Vultur #endif 535f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 536f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 537f323aa54SHenrik Bjoernlund #endif 5381da177e4SLinus Torvalds }; 5391da177e4SLinus Torvalds 54068b7c895SHerbert Xu struct br_input_skb_cb { 54168b7c895SHerbert Xu struct net_device *brdev; 54293fdd47eSHerbert Xu 5433c171f49SPablo Neira Ayuso u16 frag_max_size; 54432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 545f12064d1SFlorian Westphal u8 igmp; 546f12064d1SFlorian Westphal u8 mrouters_only:1; 54732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 548f12064d1SFlorian Westphal u8 proxyarp_replied:1; 549f12064d1SFlorian Westphal u8 src_port_isolated:1; 55020adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 551f12064d1SFlorian Westphal u8 vlan_filtered:1; 55220adfa1aSVlad Yasevich #endif 553223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 554223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 555223fd0adSFlorian Westphal #endif 5566bc506b4SIdo Schimmel 5576bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 55847211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 55947211192STobias Waldekranz * hardware domain. 56047211192STobias Waldekranz */ 56147211192STobias Waldekranz u8 tx_fwd_offload:1; 562f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 563f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 564f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 565f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 566f7cf972fSTobias Waldekranz */ 567f7cf972fSTobias Waldekranz int src_hwdom; 56847211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 56947211192STobias Waldekranz * transmitted using the TX data plane offload. 57047211192STobias Waldekranz */ 57147211192STobias Waldekranz unsigned long fwd_hwdoms; 5726bc506b4SIdo Schimmel #endif 57368b7c895SHerbert Xu }; 57468b7c895SHerbert Xu 57568b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 57668b7c895SHerbert Xu 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 58032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 58132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 58232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58328a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58428a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 58528a16c97Sstephen hemminger 58628a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 58728a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 58828a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 58928a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 59028a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 59128a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 59228a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59328a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59428a16c97Sstephen hemminger 59528a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 59628a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 59728a16c97Sstephen hemminger 5981da177e4SLinus Torvalds /* called under bridge lock */ 5991da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6001da177e4SLinus Torvalds { 6011da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6021da177e4SLinus Torvalds } 6031da177e4SLinus Torvalds 6042594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6052594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6062594e906SNikolay Aleksandrov { 6072594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6082594e906SNikolay Aleksandrov } 6092594e906SNikolay Aleksandrov 6102594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6112594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6122594e906SNikolay Aleksandrov { 6132594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6142594e906SNikolay Aleksandrov } 6152594e906SNikolay Aleksandrov 6166be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6172594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6182594e906SNikolay Aleksandrov { 6192594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6202594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6212594e906SNikolay Aleksandrov return true; 6222594e906SNikolay Aleksandrov else 6232594e906SNikolay Aleksandrov return false; 6242594e906SNikolay Aleksandrov } 6252594e906SNikolay Aleksandrov 6262594e906SNikolay Aleksandrov return true; 6272594e906SNikolay Aleksandrov } 6282594e906SNikolay Aleksandrov 6295d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6305d1fcaf3SNikolay Aleksandrov { 6315d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6325d1fcaf3SNikolay Aleksandrov } 6335d1fcaf3SNikolay Aleksandrov 6348f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6355a46facbSNikolay Aleksandrov { 6368f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6378f4cc940SNikolay Aleksandrov 6388f4cc940SNikolay Aleksandrov if (!ret) 6398f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6408f4cc940SNikolay Aleksandrov 6418f4cc940SNikolay Aleksandrov return ret; 6425a46facbSNikolay Aleksandrov } 6435a46facbSNikolay Aleksandrov 6445a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6458f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6468f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6475a46facbSNikolay Aleksandrov { 6485a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6498f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6508f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6515a46facbSNikolay Aleksandrov return false; 6528f4cc940SNikolay Aleksandrov } 6535a46facbSNikolay Aleksandrov 6545a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6555a46facbSNikolay Aleksandrov * - it has range start flag 6565a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6575a46facbSNikolay Aleksandrov */ 6585a46facbSNikolay Aleksandrov if (last) { 6598f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6608f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6615a46facbSNikolay Aleksandrov return false; 6628f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6638f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6648f4cc940SNikolay Aleksandrov return false; 6658f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6668f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6678f4cc940SNikolay Aleksandrov return false; 6688f4cc940SNikolay Aleksandrov } 6698f4cc940SNikolay Aleksandrov } 6708f4cc940SNikolay Aleksandrov 6718f4cc940SNikolay Aleksandrov /* check for required range flags */ 6728f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6738f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6748f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6755a46facbSNikolay Aleksandrov return false; 6765a46facbSNikolay Aleksandrov } 6775a46facbSNikolay Aleksandrov 6785a46facbSNikolay Aleksandrov return true; 6795a46facbSNikolay Aleksandrov } 6805a46facbSNikolay Aleksandrov 6812796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6822796d846SNikolay Aleksandrov { 6832796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6842796d846SNikolay Aleksandrov 6852796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6862796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 6872796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 6882796d846SNikolay Aleksandrov else 6892796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 6902796d846SNikolay Aleksandrov #endif 6912796d846SNikolay Aleksandrov 6922796d846SNikolay Aleksandrov return mcast_router; 6932796d846SNikolay Aleksandrov } 6942796d846SNikolay Aleksandrov 695f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 696f545923bSNikolay Aleksandrov { 697f545923bSNikolay Aleksandrov switch (cmd) { 698f545923bSNikolay Aleksandrov case RTM_SETLINK: 699f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 700f545923bSNikolay Aleksandrov case RTM_DELLINK: 701f545923bSNikolay Aleksandrov return RTM_DELVLAN; 702f545923bSNikolay Aleksandrov } 703f545923bSNikolay Aleksandrov 704f545923bSNikolay Aleksandrov return 0; 705f545923bSNikolay Aleksandrov } 706f545923bSNikolay Aleksandrov 707ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 708ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 709ae75767eSNikolay Aleksandrov { 710ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 711ae75767eSNikolay Aleksandrov } 712ae75767eSNikolay Aleksandrov 713a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 714a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 715a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 716a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 717a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 718a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 719a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 720a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 721ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 722ae75767eSNikolay Aleksandrov 7231da177e4SLinus Torvalds /* br_device.c */ 724348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 725348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 726348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 727cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 72891d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 72991d2c34aSHerbert Xu struct sk_buff *skb) 73091d2c34aSHerbert Xu { 731f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 73291d2c34aSHerbert Xu } 73391d2c34aSHerbert Xu 734a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 735348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 73691d2c34aSHerbert Xu #else 7379f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 73891d2c34aSHerbert Xu struct sk_buff *skb) 73991d2c34aSHerbert Xu { 74091d2c34aSHerbert Xu } 74191d2c34aSHerbert Xu 742a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 74391d2c34aSHerbert Xu { 74491d2c34aSHerbert Xu return 0; 74591d2c34aSHerbert Xu } 74691d2c34aSHerbert Xu 74791d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 74891d2c34aSHerbert Xu { 74991d2c34aSHerbert Xu } 750cfb478daSstephen hemminger #endif 7511da177e4SLinus Torvalds 7521da177e4SLinus Torvalds /* br_fdb.c */ 753348662a1SJoe Perches int br_fdb_init(void); 754348662a1SJoe Perches void br_fdb_fini(void); 755eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 756eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 757348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 758424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 759424bb9c9SToshiaki Makita const struct net_bridge_port *p, 760424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 761348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 762348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 763f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 764348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7651ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 766bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 767bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 768bfd0aeacSNikolay Aleksandrov __u16 vid); 769348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 770348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 771348662a1SJoe Perches unsigned long off); 772f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 773348662a1SJoe Perches const unsigned char *addr, u16 vid); 774348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 775be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 77677162022SJohn Fastabend 777348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 778f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 779348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 78087b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 78187b0984eSPetr Machata struct netlink_ext_ack *extack); 782348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 783d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 78447674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 78547674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 78647674562SRoopa Prabhu struct netlink_ext_ack *extack); 7878db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7888db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7893aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 79045a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 791161d82deSPetr Machata bool swdev_notify); 7923aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 793161d82deSPetr Machata const unsigned char *addr, u16 vid, 794161d82deSPetr Machata bool swdev_notify); 7959fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 796e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvalds /* br_forward.c */ 7998addd5e7SNikolay Aleksandrov enum br_pkt_type { 8008addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8018addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8028addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8038addd5e7SNikolay Aleksandrov }; 8040c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 805b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 80637b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8070c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 80837b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8098addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8101da177e4SLinus Torvalds 8117d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8127d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8137d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8147d850abdSNikolay Aleksandrov { 8157d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8167d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8177d850abdSNikolay Aleksandrov } 8187d850abdSNikolay Aleksandrov 8191da177e4SLinus Torvalds /* br_if.c */ 820faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 821348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 822348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 823ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 824ca752be0SDavid Ahern struct netlink_ext_ack *extack); 825348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 826804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 827348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 828c8f44affSMichał Mirosław netdev_features_t features); 829e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8302796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8312756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8321da177e4SLinus Torvalds 8331da177e4SLinus Torvalds /* br_input.c */ 8340c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8359eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8361da177e4SLinus Torvalds 83790c628ddSHenrik Bjoernlund struct br_frame_type { 83890c628ddSHenrik Bjoernlund __be16 type; 83990c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 84090c628ddSHenrik Bjoernlund struct sk_buff *skb); 84190c628ddSHenrik Bjoernlund struct hlist_node list; 84290c628ddSHenrik Bjoernlund }; 84390c628ddSHenrik Bjoernlund 84490c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 84590c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 84690c628ddSHenrik Bjoernlund 847859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 848859828c0SJiri Pirko { 8499eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 850859828c0SJiri Pirko } 851859828c0SJiri Pirko 8524d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8534d4fd361SPetr Machata { 8549eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8554d4fd361SPetr Machata } 8564d4fd361SPetr Machata 857859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 858859828c0SJiri Pirko { 859859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 860859828c0SJiri Pirko } 861859828c0SJiri Pirko 8624d4fd361SPetr Machata static inline struct net_bridge_port * 8634d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8644d4fd361SPetr Machata { 8654d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8664d4fd361SPetr Machata } 8674d4fd361SPetr Machata 8681da177e4SLinus Torvalds /* br_ioctl.c */ 869561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 870561d8352SArnd Bergmann void __user *data, int cmd); 871ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 872ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8731da177e4SLinus Torvalds 874eb1d1641SHerbert Xu /* br_multicast.c */ 875eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 876f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 877f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 878f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 879fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 880adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 881eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8821080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 883348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 884348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 885348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 886348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 887851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 888851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 889348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 890348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 891e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 892adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 893adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 894adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 895a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 896a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 897a53581d5SNikolay Aleksandrov unsigned long val); 8982796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 899ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 900ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 90162938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 902348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 903df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 904df271cd6SNikolay Aleksandrov unsigned long val); 905aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 906df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 907df271cd6SNikolay Aleksandrov unsigned long val); 908aa2ae3e7SNikolay Aleksandrov #endif 909348662a1SJoe Perches struct net_bridge_mdb_entry * 91019e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 911348662a1SJoe Perches struct net_bridge_mdb_entry * 91219e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 913348662a1SJoe Perches struct net_bridge_port_group * 914348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 915762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9168b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9178f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 91819e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 91919e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 92081f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 92181f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9221e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 923949f1e39SSatish Ashok int type); 924681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 925681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 926681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 927adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 928adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 929a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9301080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 931b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9321080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9331080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9341080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 93519e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 93619e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 93758d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 93858d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9391bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9408266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9418266a049SNikolay Aleksandrov u8 filter_mode); 9428266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9438266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 944474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 945474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 946d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 947d5a10222SNikolay Aleksandrov bool fastleave); 948613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 949613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 950613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 951613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 952613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 953613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 954613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 955613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9567b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 957f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 958f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9599dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 96085b35269SSridhar Samudrala 961dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 962dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 963c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 964c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 965c7fa1d9bSNikolay Aleksandrov int nest_attr); 966c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 96705d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 96899b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 96999b40610SNikolay Aleksandrov unsigned long val); 970*f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 971*f83a112bSNikolay Aleksandrov unsigned long val); 9724e51bf44SVladimir Oltean 973955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 974955062b0SNikolay Aleksandrov { 975955062b0SNikolay Aleksandrov return group->proto == 0; 976955062b0SNikolay Aleksandrov } 977955062b0SNikolay Aleksandrov 978cfd56754SCong Wang #define mlock_dereference(X, br) \ 979cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 980cfd56754SCong Wang 98144ebb081SLinus Lüssing static inline struct hlist_node * 982adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 983adc47037SNikolay Aleksandrov struct sk_buff *skb) 984d3d065c0SNikolay Aleksandrov { 985a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 986a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 987d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 988a3c02e76SLinus Lüssing #endif 989d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 99044ebb081SLinus Lüssing } 99144ebb081SLinus Lüssing 99244ebb081SLinus Lüssing static inline struct net_bridge_port * 993d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 994d3d065c0SNikolay Aleksandrov { 9959632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9969632233eSNikolay Aleksandrov 997a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 998a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9999632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10009632233eSNikolay Aleksandrov ip6_rlist); 10019632233eSNikolay Aleksandrov else 1002a3c02e76SLinus Lüssing #endif 10039632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10049632233eSNikolay Aleksandrov ip4_rlist); 10059632233eSNikolay Aleksandrov 10069632233eSNikolay Aleksandrov if (mctx) 10079632233eSNikolay Aleksandrov return mctx->port; 10089632233eSNikolay Aleksandrov else 10099632233eSNikolay Aleksandrov return NULL; 101044ebb081SLinus Lüssing } 101144ebb081SLinus Lüssing 1012d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 101385b35269SSridhar Samudrala { 1014d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10151a3065a2SLinus Lüssing } 10161a3065a2SLinus Lüssing 1017d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10181a3065a2SLinus Lüssing { 10191a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1020d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10211a3065a2SLinus Lüssing #else 10221a3065a2SLinus Lüssing return false; 10231a3065a2SLinus Lüssing #endif 10241a3065a2SLinus Lüssing } 10251a3065a2SLinus Lüssing 10261a3065a2SLinus Lüssing static inline bool 1027adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10281a3065a2SLinus Lüssing { 1029d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10301a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10311a3065a2SLinus Lüssing return true; 10321a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10331a3065a2SLinus Lüssing if (skb) { 10341a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1035d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10361a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1037d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10381a3065a2SLinus Lüssing } else { 1039d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1040d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10411a3065a2SLinus Lüssing } 10421a3065a2SLinus Lüssing fallthrough; 10431a3065a2SLinus Lüssing default: 10441a3065a2SLinus Lüssing return false; 10451a3065a2SLinus Lüssing } 104685b35269SSridhar Samudrala } 1047b00589afSLinus Lüssing 1048cc0fdd80SLinus Lüssing static inline bool 1049adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10500888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10510888d5f3Sdaniel const bool is_ipv6) 1052b00589afSLinus Lüssing { 10530888d5f3Sdaniel bool own_querier_enabled; 10540888d5f3Sdaniel 105562938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1056adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10570888d5f3Sdaniel own_querier_enabled = false; 10580888d5f3Sdaniel else 10590888d5f3Sdaniel own_querier_enabled = true; 10600888d5f3Sdaniel } else { 10610888d5f3Sdaniel own_querier_enabled = false; 10620888d5f3Sdaniel } 10630888d5f3Sdaniel 1064cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10650888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1066cc0fdd80SLinus Lüssing } 1067cc0fdd80SLinus Lüssing 1068adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1069955062b0SNikolay Aleksandrov struct ethhdr *eth, 1070955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1071cc0fdd80SLinus Lüssing { 1072cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1073cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1074adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1075adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1076cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1077cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1078adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1079adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1080cc0fdd80SLinus Lüssing #endif 1081cc0fdd80SLinus Lüssing default: 1082955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1083cc0fdd80SLinus Lüssing } 1084b00589afSLinus Lüssing } 10851080ab95SNikolay Aleksandrov 108688d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 108788d4bd18SNikolay Aleksandrov { 108888d4bd18SNikolay Aleksandrov switch (ip->proto) { 108988d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 109088d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 109188d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 109288d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 109388d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 109488d4bd18SNikolay Aleksandrov #endif 109588d4bd18SNikolay Aleksandrov default: 109688d4bd18SNikolay Aleksandrov return false; 109788d4bd18SNikolay Aleksandrov } 109888d4bd18SNikolay Aleksandrov } 109988d4bd18SNikolay Aleksandrov 1100adc47037SNikolay Aleksandrov static inline bool 1101adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11028266a049SNikolay Aleksandrov __be16 proto) 11038266a049SNikolay Aleksandrov { 11048266a049SNikolay Aleksandrov switch (proto) { 11058266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1106adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11078266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11088266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1109adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11108266a049SNikolay Aleksandrov #endif 11118266a049SNikolay Aleksandrov default: 11128266a049SNikolay Aleksandrov return false; 11138266a049SNikolay Aleksandrov } 11148266a049SNikolay Aleksandrov } 11158266a049SNikolay Aleksandrov 11161080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11171080ab95SNikolay Aleksandrov { 11181080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11191080ab95SNikolay Aleksandrov } 112042c11ccfSNikolay Aleksandrov 1121adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 112242c11ccfSNikolay Aleksandrov { 1123adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1124adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 112542c11ccfSNikolay Aleksandrov } 11260436862eSNikolay Aleksandrov 1127adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11280436862eSNikolay Aleksandrov { 1129fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11300436862eSNikolay Aleksandrov } 11317b54aaafSNikolay Aleksandrov 11327b54aaafSNikolay Aleksandrov static inline bool 11337b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11347b54aaafSNikolay Aleksandrov { 11357b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11367b54aaafSNikolay Aleksandrov } 11377b54aaafSNikolay Aleksandrov 11387b54aaafSNikolay Aleksandrov static inline bool 11397b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11407b54aaafSNikolay Aleksandrov { 11417b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11427b54aaafSNikolay Aleksandrov } 11437b54aaafSNikolay Aleksandrov 11447b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11457b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11467b54aaafSNikolay Aleksandrov { 11477b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11487b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11497b54aaafSNikolay Aleksandrov else 11507b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11517b54aaafSNikolay Aleksandrov } 11527b54aaafSNikolay Aleksandrov 11537b54aaafSNikolay Aleksandrov static inline bool 11547b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11557b54aaafSNikolay Aleksandrov { 1156f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1157f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11587b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11597b54aaafSNikolay Aleksandrov } 11607b54aaafSNikolay Aleksandrov 11617b54aaafSNikolay Aleksandrov static inline bool 11627b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11637b54aaafSNikolay Aleksandrov { 11647b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11657b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11667b54aaafSNikolay Aleksandrov } 11677b54aaafSNikolay Aleksandrov 11687b54aaafSNikolay Aleksandrov static inline bool 11697b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11707b54aaafSNikolay Aleksandrov { 11717b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11727b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11737b54aaafSNikolay Aleksandrov } 11744cdd0d10SNikolay Aleksandrov 11754cdd0d10SNikolay Aleksandrov static inline bool 11764cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11774cdd0d10SNikolay Aleksandrov { 11784cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11794cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11804cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11814cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11824cdd0d10SNikolay Aleksandrov } 11834cdd0d10SNikolay Aleksandrov 11844cdd0d10SNikolay Aleksandrov static inline bool 11854cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11864cdd0d10SNikolay Aleksandrov { 11874cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11884cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11894cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11904cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11914cdd0d10SNikolay Aleksandrov } 1192df271cd6SNikolay Aleksandrov 1193df271cd6SNikolay Aleksandrov static inline bool 1194dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1195dc002875SNikolay Aleksandrov { 1196dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1197dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1198dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1199dc002875SNikolay Aleksandrov #else 1200dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1201dc002875SNikolay Aleksandrov #endif 1202dc002875SNikolay Aleksandrov } 1203dc002875SNikolay Aleksandrov 1204dc002875SNikolay Aleksandrov static inline bool 1205df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1206df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1207df271cd6SNikolay Aleksandrov { 1208df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1209df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1210931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1211931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 121250725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 121350725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 121477f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 121577f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12162da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12172da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1218cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1219cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1220d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1221d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 122242521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 122342521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1224941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1225941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 122662938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1227a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1228dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1229dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1230df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1231df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1232df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1233df271cd6SNikolay Aleksandrov #endif 1234df271cd6SNikolay Aleksandrov true; 1235df271cd6SNikolay Aleksandrov } 1236cb486ce9SNikolay Aleksandrov 1237cb486ce9SNikolay Aleksandrov static inline bool 1238cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1239cb486ce9SNikolay Aleksandrov { 1240cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1241cb486ce9SNikolay Aleksandrov 1242cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1243cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1244cb486ce9SNikolay Aleksandrov 1245cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1246cb486ce9SNikolay Aleksandrov } 1247eb1d1641SHerbert Xu #else 1248f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1249f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1250f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 125106499098SVlad Yasevich struct sk_buff *skb, 125206499098SVlad Yasevich u16 vid) 1253eb1d1641SHerbert Xu { 1254eb1d1641SHerbert Xu return 0; 1255eb1d1641SHerbert Xu } 1256eb1d1641SHerbert Xu 1257adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1258fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1259eb1d1641SHerbert Xu { 1260eb1d1641SHerbert Xu return NULL; 1261eb1d1641SHerbert Xu } 1262eb1d1641SHerbert Xu 12631080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1264eb1d1641SHerbert Xu { 12651080ab95SNikolay Aleksandrov return 0; 1266eb1d1641SHerbert Xu } 1267eb1d1641SHerbert Xu 1268eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1269eb1d1641SHerbert Xu { 1270eb1d1641SHerbert Xu } 1271eb1d1641SHerbert Xu 1272eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1273eb1d1641SHerbert Xu { 1274eb1d1641SHerbert Xu } 1275eb1d1641SHerbert Xu 1276eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1277eb1d1641SHerbert Xu { 1278eb1d1641SHerbert Xu } 1279eb1d1641SHerbert Xu 1280eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1281eb1d1641SHerbert Xu { 1282eb1d1641SHerbert Xu } 1283eb1d1641SHerbert Xu 1284851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1285851d0a73SJoseph Huang { 1286851d0a73SJoseph Huang } 1287851d0a73SJoseph Huang 1288851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1289851d0a73SJoseph Huang { 1290851d0a73SJoseph Huang } 1291851d0a73SJoseph Huang 1292eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1293eb1d1641SHerbert Xu { 1294eb1d1641SHerbert Xu } 1295eb1d1641SHerbert Xu 1296eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1297eb1d1641SHerbert Xu { 1298eb1d1641SHerbert Xu } 12995cb5e947SHerbert Xu 1300a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1301a7ce45a7SNikolay Aleksandrov { 1302a7ce45a7SNikolay Aleksandrov } 1303a7ce45a7SNikolay Aleksandrov 130437b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 130537b090e6SNikolay Aleksandrov struct sk_buff *skb, 1306adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 130737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13085cb5e947SHerbert Xu { 13095cb5e947SHerbert Xu } 13105cb5e947SHerbert Xu 1311adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1312bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1313eb1d1641SHerbert Xu { 131403aaa9e2SGustavo A. R. Silva return false; 1315eb1d1641SHerbert Xu } 131637b090e6SNikolay Aleksandrov 1317adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1318c43fd36fSVladimir Oltean struct ethhdr *eth, 1319c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1320b00589afSLinus Lüssing { 1321b00589afSLinus Lüssing return false; 1322b00589afSLinus Lüssing } 132337b090e6SNikolay Aleksandrov 1324fdb184d1SRami Rosen static inline void br_mdb_init(void) 1325fdb184d1SRami Rosen { 1326fdb184d1SRami Rosen } 132737b090e6SNikolay Aleksandrov 1328fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1329fdb184d1SRami Rosen { 1330fdb184d1SRami Rosen } 13311080ab95SNikolay Aleksandrov 133219e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 133319e3a9c9SNikolay Aleksandrov { 133419e3a9c9SNikolay Aleksandrov return 0; 133519e3a9c9SNikolay Aleksandrov } 133619e3a9c9SNikolay Aleksandrov 133719e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 133819e3a9c9SNikolay Aleksandrov { 133919e3a9c9SNikolay Aleksandrov } 134019e3a9c9SNikolay Aleksandrov 13411080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13421080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1343a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1344a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13451080ab95SNikolay Aleksandrov { 13461080ab95SNikolay Aleksandrov } 13471080ab95SNikolay Aleksandrov 13481080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13491080ab95SNikolay Aleksandrov { 13501080ab95SNikolay Aleksandrov return 0; 13511080ab95SNikolay Aleksandrov } 13521080ab95SNikolay Aleksandrov 1353b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1354b6fe0440SIdo Schimmel { 1355b6fe0440SIdo Schimmel } 1356b6fe0440SIdo Schimmel 13571080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13581080ab95SNikolay Aleksandrov { 13591080ab95SNikolay Aleksandrov return 0; 13601080ab95SNikolay Aleksandrov } 1361613d61dbSNikolay Aleksandrov 1362613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1363613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1364613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1365613d61dbSNikolay Aleksandrov { 1366613d61dbSNikolay Aleksandrov } 1367613d61dbSNikolay Aleksandrov 1368613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1369613d61dbSNikolay Aleksandrov { 1370613d61dbSNikolay Aleksandrov } 1371613d61dbSNikolay Aleksandrov 1372613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1373613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1374613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1375613d61dbSNikolay Aleksandrov { 1376613d61dbSNikolay Aleksandrov } 1377613d61dbSNikolay Aleksandrov 1378613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1379613d61dbSNikolay Aleksandrov { 1380613d61dbSNikolay Aleksandrov } 13817b54aaafSNikolay Aleksandrov 13827b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13837b54aaafSNikolay Aleksandrov bool on) 13847b54aaafSNikolay Aleksandrov { 13857b54aaafSNikolay Aleksandrov } 1386f4b7002aSNikolay Aleksandrov 1387f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1388f4b7002aSNikolay Aleksandrov bool on, 1389f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1390f4b7002aSNikolay Aleksandrov { 1391f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1392f4b7002aSNikolay Aleksandrov } 13939dee572cSNikolay Aleksandrov 13949dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13959dee572cSNikolay Aleksandrov bool on) 13969dee572cSNikolay Aleksandrov { 13979dee572cSNikolay Aleksandrov return false; 13989dee572cSNikolay Aleksandrov } 13994e51bf44SVladimir Oltean 1400df271cd6SNikolay Aleksandrov static inline bool 1401df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1402df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1403df271cd6SNikolay Aleksandrov { 1404df271cd6SNikolay Aleksandrov return true; 1405df271cd6SNikolay Aleksandrov } 140685b35269SSridhar Samudrala #endif 1407eb1d1641SHerbert Xu 1408243a2e63SVlad Yasevich /* br_vlan.c */ 1409243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 141077751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 141177751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1412f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1413f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 141477751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 141585f46c6bSVlad Yasevich const struct sk_buff *skb); 1416e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1417348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 141811538d03SRoopa Prabhu const struct net_bridge_port *port, 14192594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 142078851988SVlad Yasevich struct sk_buff *skb); 1421f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1422169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1423348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1424348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14252594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1426204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14279e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14289e781401SVladimir Oltean struct netlink_ext_ack *extack); 1429dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1430dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14319e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14329e781401SVladimir Oltean struct netlink_ext_ack *extack); 14336dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14349163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14355be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14369e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14379e781401SVladimir Oltean struct netlink_ext_ack *extack); 1438169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1439169327d5SPetr Machata struct netlink_ext_ack *extack); 1440f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1441169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1442348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1443348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1444169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14452594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1446a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1447281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14489c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1449091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14509c0ec2e7SMike Manning void *ptr); 14518dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14528dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1453cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1454cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1455cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1456cf5bddb9SNikolay Aleksandrov int cmd); 1457a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1458a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1459a37b85c9SVlad Yasevich 1460bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1461bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1462bcf2766bSFelix Fietkau struct net_device_path *path); 1463bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1464bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1465bcf2766bSFelix Fietkau struct net_device_path *path); 1466bcf2766bSFelix Fietkau 14672594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1468a37b85c9SVlad Yasevich const struct net_bridge *br) 1469a37b85c9SVlad Yasevich { 1470907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1471a37b85c9SVlad Yasevich } 1472a37b85c9SVlad Yasevich 14732594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1474a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1475a37b85c9SVlad Yasevich { 1476907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1477907b1e6eSNikolay Aleksandrov } 1478907b1e6eSNikolay Aleksandrov 1479907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1480907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1481907b1e6eSNikolay Aleksandrov { 1482907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1483907b1e6eSNikolay Aleksandrov } 1484907b1e6eSNikolay Aleksandrov 1485907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1486907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1487907b1e6eSNikolay Aleksandrov { 1488907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1489a37b85c9SVlad Yasevich } 1490a37b85c9SVlad Yasevich 1491a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1492a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1493a37b85c9SVlad Yasevich */ 1494a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1495a37b85c9SVlad Yasevich { 1496a37b85c9SVlad Yasevich int err = 0; 1497a37b85c9SVlad Yasevich 14982594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 14995978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15002594e906SNikolay Aleksandrov } else { 1501a37b85c9SVlad Yasevich *vid = 0; 1502a37b85c9SVlad Yasevich err = -EINVAL; 1503a37b85c9SVlad Yasevich } 1504a37b85c9SVlad Yasevich 1505a37b85c9SVlad Yasevich return err; 1506a37b85c9SVlad Yasevich } 150778851988SVlad Yasevich 150877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 150978851988SVlad Yasevich { 151077751ee8SNikolay Aleksandrov if (!vg) 15115be5a2dfSVlad Yasevich return 0; 15125be5a2dfSVlad Yasevich 151378851988SVlad Yasevich smp_rmb(); 151477751ee8SNikolay Aleksandrov return vg->pvid; 151578851988SVlad Yasevich } 151678851988SVlad Yasevich 15178dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15188dcea187SNikolay Aleksandrov { 15198dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15208dcea187SNikolay Aleksandrov } 1521243a2e63SVlad Yasevich #else 152277751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 152377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15242594e906SNikolay Aleksandrov struct sk_buff *skb, 1525f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1526f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1527f4b7002aSNikolay Aleksandrov 15282594e906SNikolay Aleksandrov { 1529f4b7002aSNikolay Aleksandrov *vlan = NULL; 15302594e906SNikolay Aleksandrov return true; 15312594e906SNikolay Aleksandrov } 15322594e906SNikolay Aleksandrov 15332594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 153485f46c6bSVlad Yasevich const struct sk_buff *skb) 153585f46c6bSVlad Yasevich { 153685f46c6bSVlad Yasevich return true; 153785f46c6bSVlad Yasevich } 153885f46c6bSVlad Yasevich 1539e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1540e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1541e0d7968aSToshiaki Makita { 1542e0d7968aSToshiaki Makita return true; 1543e0d7968aSToshiaki Makita } 1544e0d7968aSToshiaki Makita 154578851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 154611538d03SRoopa Prabhu const struct net_bridge_port *port, 15472594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 154878851988SVlad Yasevich struct sk_buff *skb) 154978851988SVlad Yasevich { 155078851988SVlad Yasevich return skb; 155178851988SVlad Yasevich } 155278851988SVlad Yasevich 1553f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1554169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1555243a2e63SVlad Yasevich { 1556f418af63SNikolay Aleksandrov *changed = false; 1557243a2e63SVlad Yasevich return -EOPNOTSUPP; 1558243a2e63SVlad Yasevich } 1559243a2e63SVlad Yasevich 1560243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1561243a2e63SVlad Yasevich { 1562243a2e63SVlad Yasevich return -EOPNOTSUPP; 1563243a2e63SVlad Yasevich } 1564243a2e63SVlad Yasevich 1565243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1566243a2e63SVlad Yasevich { 1567243a2e63SVlad Yasevich } 1568243a2e63SVlad Yasevich 1569204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1570204177f3SToshiaki Makita { 1571204177f3SToshiaki Makita } 1572204177f3SToshiaki Makita 15735be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15748580e211SToshiaki Makita { 15755be5a2dfSVlad Yasevich return 0; 15768580e211SToshiaki Makita } 15778580e211SToshiaki Makita 1578f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1579169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1580243a2e63SVlad Yasevich { 1581f418af63SNikolay Aleksandrov *changed = false; 1582243a2e63SVlad Yasevich return -EOPNOTSUPP; 1583243a2e63SVlad Yasevich } 1584243a2e63SVlad Yasevich 1585243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1586243a2e63SVlad Yasevich { 1587243a2e63SVlad Yasevich return -EOPNOTSUPP; 1588243a2e63SVlad Yasevich } 1589243a2e63SVlad Yasevich 1590243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1591243a2e63SVlad Yasevich { 1592243a2e63SVlad Yasevich } 1593243a2e63SVlad Yasevich 15942594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 15952594e906SNikolay Aleksandrov u16 vid) 1596a37b85c9SVlad Yasevich { 1597a37b85c9SVlad Yasevich return NULL; 1598a37b85c9SVlad Yasevich } 1599bc9a25d2SVlad Yasevich 1600169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1601169327d5SPetr Machata struct netlink_ext_ack *extack) 16025be5a2dfSVlad Yasevich { 16035be5a2dfSVlad Yasevich return 0; 16045be5a2dfSVlad Yasevich } 16055be5a2dfSVlad Yasevich 160678851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1607a37b85c9SVlad Yasevich { 1608a37b85c9SVlad Yasevich return 0; 1609a37b85c9SVlad Yasevich } 16102594e906SNikolay Aleksandrov 161177751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 161278851988SVlad Yasevich { 16133df6bf45SVlad Yasevich return 0; 161478851988SVlad Yasevich } 16152796d0c6SVlad Yasevich 16167a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1617c97f47e3SVladimir Oltean unsigned long val, 1618c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1619a7854037SNikolay Aleksandrov { 1620a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1621a7854037SNikolay Aleksandrov } 16222594e906SNikolay Aleksandrov 16232594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16242594e906SNikolay Aleksandrov u32 filter_mask) 16252594e906SNikolay Aleksandrov { 16262594e906SNikolay Aleksandrov return 0; 16272594e906SNikolay Aleksandrov } 16282594e906SNikolay Aleksandrov 1629bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1630bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1631bcf2766bSFelix Fietkau struct net_device_path *path) 1632bcf2766bSFelix Fietkau { 1633bcf2766bSFelix Fietkau } 1634bcf2766bSFelix Fietkau 1635bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1636bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1637bcf2766bSFelix Fietkau struct net_device_path *path) 1638bcf2766bSFelix Fietkau { 1639bcf2766bSFelix Fietkau return 0; 1640bcf2766bSFelix Fietkau } 1641bcf2766bSFelix Fietkau 16422594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16432594e906SNikolay Aleksandrov const struct net_bridge *br) 16442594e906SNikolay Aleksandrov { 16452594e906SNikolay Aleksandrov return NULL; 16462594e906SNikolay Aleksandrov } 16472594e906SNikolay Aleksandrov 16482594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16492594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16502594e906SNikolay Aleksandrov { 16512594e906SNikolay Aleksandrov return NULL; 16522594e906SNikolay Aleksandrov } 1653907b1e6eSNikolay Aleksandrov 1654907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1655907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1656907b1e6eSNikolay Aleksandrov { 1657907b1e6eSNikolay Aleksandrov return NULL; 1658907b1e6eSNikolay Aleksandrov } 1659907b1e6eSNikolay Aleksandrov 1660907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1661907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1662907b1e6eSNikolay Aleksandrov { 1663907b1e6eSNikolay Aleksandrov return NULL; 1664907b1e6eSNikolay Aleksandrov } 1665a60c0903SNikolay Aleksandrov 1666a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1667281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1668a60c0903SNikolay Aleksandrov { 1669a60c0903SNikolay Aleksandrov } 16709c0ec2e7SMike Manning 16719c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16729c0ec2e7SMike Manning unsigned long event) 16739c0ec2e7SMike Manning { 16749c0ec2e7SMike Manning } 16759c0ec2e7SMike Manning 1676091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16779c0ec2e7SMike Manning unsigned long event, void *ptr) 16789c0ec2e7SMike Manning { 1679091adf9bSNikolay Aleksandrov return 0; 16809c0ec2e7SMike Manning } 16818dcea187SNikolay Aleksandrov 16828dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16838dcea187SNikolay Aleksandrov { 16848dcea187SNikolay Aleksandrov } 16858dcea187SNikolay Aleksandrov 16868dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16878dcea187SNikolay Aleksandrov { 16888dcea187SNikolay Aleksandrov } 1689cf5bddb9SNikolay Aleksandrov 1690cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1691cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1692cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1693cf5bddb9SNikolay Aleksandrov int cmd) 1694cf5bddb9SNikolay Aleksandrov { 1695cf5bddb9SNikolay Aleksandrov } 1696528ae84aSNikolay Aleksandrov 1697528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1698528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1699528ae84aSNikolay Aleksandrov { 1700528ae84aSNikolay Aleksandrov return true; 1701528ae84aSNikolay Aleksandrov } 17024e51bf44SVladimir Oltean 1703c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1704c5f6e5ebSVladimir Oltean { 1705c5f6e5ebSVladimir Oltean return 0; 1706c5f6e5ebSVladimir Oltean } 1707c5f6e5ebSVladimir Oltean 1708243a2e63SVlad Yasevich #endif 1709243a2e63SVlad Yasevich 17107a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17117a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 171299f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 171399f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17147a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17157a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1716a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1717a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1718a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1719a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1720a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1721a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 172247ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 172347ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 172447ecd2dbSNikolay Aleksandrov int cmd, 172547ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1726743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1727743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1728743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1729743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1730a580c76dSNikolay Aleksandrov 1731a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1732a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1733a580c76dSNikolay Aleksandrov { 1734a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1735a580c76dSNikolay Aleksandrov } 1736a580c76dSNikolay Aleksandrov 1737a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1738a580c76dSNikolay Aleksandrov { 1739a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1740a580c76dSNikolay Aleksandrov } 1741a580c76dSNikolay Aleksandrov 1742a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1743a580c76dSNikolay Aleksandrov { 1744a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1745a580c76dSNikolay Aleksandrov } 1746a580c76dSNikolay Aleksandrov 1747a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1748a580c76dSNikolay Aleksandrov u8 state) 1749a580c76dSNikolay Aleksandrov { 1750a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1751a580c76dSNikolay Aleksandrov } 1752a580c76dSNikolay Aleksandrov 1753a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1754a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1755a580c76dSNikolay Aleksandrov { 1756a580c76dSNikolay Aleksandrov switch (state) { 1757a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1758a580c76dSNikolay Aleksandrov return learn_allow; 1759a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1760a580c76dSNikolay Aleksandrov return true; 1761a580c76dSNikolay Aleksandrov default: 1762a580c76dSNikolay Aleksandrov return false; 1763a580c76dSNikolay Aleksandrov } 1764a580c76dSNikolay Aleksandrov } 17657a53e718SNikolay Aleksandrov #endif 17667a53e718SNikolay Aleksandrov 17671a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17681a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17691a4ba64dSPablo Neira Ayuso }; 17701a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17711a4ba64dSPablo Neira Ayuso 17721da177e4SLinus Torvalds /* br_netfilter.c */ 177334666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 177434666d46SPablo Neira Ayuso int br_nf_core_init(void); 177534666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1776348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1777c0909713SStephen Hemminger #else 177834666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 177934666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17804adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1781c0909713SStephen Hemminger #endif 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvalds /* br_stp.c */ 1784775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1785348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1786348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1787348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 17881da177e4SLinus Torvalds 1789348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1790348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1791348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1792348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 179382dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 17949e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 179514f98f25Sstephen hemminger 179614f98f25Sstephen hemminger 17971da177e4SLinus Torvalds /* br_stp_if.c */ 1798348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1799348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1800419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1801419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1802348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1803348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1804348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1805348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1806348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1807348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1808348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1809348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18101da177e4SLinus Torvalds 18111da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18127c85fbf0SPatrick McHardy struct stp_proto; 1813348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18147c85fbf0SPatrick McHardy struct net_device *dev); 18151da177e4SLinus Torvalds 18161da177e4SLinus Torvalds /* br_stp_timer.c */ 1817348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1818348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1819348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18201da177e4SLinus Torvalds 18211da177e4SLinus Torvalds /* br.c */ 1822e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1823da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1824da678292SMichał Mirosław #endif 18251da177e4SLinus Torvalds 182665369933SHoratiu Vultur /* br_mrp.c */ 182765369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 182865369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 182965369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 183065369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 183165369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1832df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 183365369933SHoratiu Vultur #else 183465369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 183565369933SHoratiu Vultur struct nlattr *attr, int cmd, 183665369933SHoratiu Vultur struct netlink_ext_ack *extack) 183765369933SHoratiu Vultur { 183865369933SHoratiu Vultur return -EOPNOTSUPP; 183965369933SHoratiu Vultur } 184065369933SHoratiu Vultur 184165369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 184265369933SHoratiu Vultur { 18438741e184SJason Yan return false; 184465369933SHoratiu Vultur } 184565369933SHoratiu Vultur 184665369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 184765369933SHoratiu Vultur struct net_bridge_port *p) 184865369933SHoratiu Vultur { 184965369933SHoratiu Vultur } 1850df42ef22SHoratiu Vultur 1851df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1852df42ef22SHoratiu Vultur { 1853df42ef22SHoratiu Vultur return 0; 1854df42ef22SHoratiu Vultur } 1855df42ef22SHoratiu Vultur 185665369933SHoratiu Vultur #endif 185765369933SHoratiu Vultur 18582be665c3SHenrik Bjoernlund /* br_cfm.c */ 185986a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18602be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18612be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18622be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 186386a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18645e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1865b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1866b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1867b6d0425bSHenrik Bjoernlund bool getlink); 1868b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1869b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 187086a14b79SHenrik Bjoernlund #else 18712be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18722be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18732be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18742be665c3SHenrik Bjoernlund { 18752be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18762be665c3SHenrik Bjoernlund } 18772be665c3SHenrik Bjoernlund 18782be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18792be665c3SHenrik Bjoernlund { 18802be665c3SHenrik Bjoernlund return false; 18812be665c3SHenrik Bjoernlund } 18822be665c3SHenrik Bjoernlund 188386a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 188486a14b79SHenrik Bjoernlund struct net_bridge_port *p) 188586a14b79SHenrik Bjoernlund { 188686a14b79SHenrik Bjoernlund } 18875e312fc0SHenrik Bjoernlund 18885e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 18895e312fc0SHenrik Bjoernlund { 18905e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 18915e312fc0SHenrik Bjoernlund } 1892e77824d8SHenrik Bjoernlund 1893b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1894b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1895b6d0425bSHenrik Bjoernlund bool getlink) 1896b6d0425bSHenrik Bjoernlund { 1897b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1898b6d0425bSHenrik Bjoernlund } 1899b6d0425bSHenrik Bjoernlund 1900b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1901b6d0425bSHenrik Bjoernlund { 1902829e050eSIvan Vecera *count = 0; 1903b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1904b6d0425bSHenrik Bjoernlund } 1905b6d0425bSHenrik Bjoernlund 1906b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1907e77824d8SHenrik Bjoernlund { 1908829e050eSIvan Vecera *count = 0; 1909e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1910e77824d8SHenrik Bjoernlund } 191186a14b79SHenrik Bjoernlund #endif 191286a14b79SHenrik Bjoernlund 191311dc1f36SStephen Hemminger /* br_netlink.c */ 1914149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1915348662a1SJoe Perches int br_netlink_init(void); 1916348662a1SJoe Perches void br_netlink_fini(void); 191792899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 191892899063SNikolay Aleksandrov const struct net_bridge_port *port); 1919b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1920b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19212fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19222fd527b7SPetr Machata struct netlink_ext_ack *extack); 1923add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1924348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 192546c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1926f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1927f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1928f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1929f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1930f26b2965SNikolay Aleksandrov bool *changed, 1931f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 193211dc1f36SStephen Hemminger 19331da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19341da177e4SLinus Torvalds /* br_sysfs_if.c */ 193552cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1936348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1937348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19381da177e4SLinus Torvalds 19391da177e4SLinus Torvalds /* br_sysfs_br.c */ 1940348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1941348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19421da177e4SLinus Torvalds 19431da177e4SLinus Torvalds #else 19441da177e4SLinus Torvalds 19450cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19460cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19470cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19480cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19491da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19501da177e4SLinus Torvalds 19516bc506b4SIdo Schimmel /* br_switchdev.c */ 19526bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1953957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1954957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1955957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1956957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1957957e2235SVladimir Oltean bool tx_fwd_offload, 1958957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1959957e2235SVladimir Oltean 1960957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1961957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1962957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1963957e2235SVladimir Oltean 196447211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 196547211192STobias Waldekranz 1966c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1967c5381154SVladimir Oltean 196847211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 196947211192STobias Waldekranz struct sk_buff *skb); 197047211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 197147211192STobias Waldekranz struct sk_buff *skb); 19726bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19736bc506b4SIdo Schimmel struct sk_buff *skb); 19746bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19756bc506b4SIdo Schimmel const struct sk_buff *skb); 19763922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19773922285dSArkadi Sharshevsky unsigned long flags, 1978078bbb85SVladimir Oltean unsigned long mask, 1979078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19806eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19816eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1982ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 1983ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 1984ae039350SVladimir Oltean struct net_bridge_port_group *pg, 1985ae039350SVladimir Oltean int type); 1986169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1987169327d5SPetr Machata struct netlink_ext_ack *extack); 1988d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 198985826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1990f1c2eddfSIdo Schimmel 1991f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1992f1c2eddfSIdo Schimmel { 1993f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1994f1c2eddfSIdo Schimmel } 19956bc506b4SIdo Schimmel #else 1996957e2235SVladimir Oltean static inline int 1997957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 1998957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1999957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2000957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2001957e2235SVladimir Oltean bool tx_fwd_offload, 2002957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2003957e2235SVladimir Oltean { 2004957e2235SVladimir Oltean return -EOPNOTSUPP; 2005957e2235SVladimir Oltean } 2006957e2235SVladimir Oltean 2007957e2235SVladimir Oltean static inline void 2008957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2009957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2010957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2011957e2235SVladimir Oltean { 2012957e2235SVladimir Oltean } 2013957e2235SVladimir Oltean 201447211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 201547211192STobias Waldekranz { 201647211192STobias Waldekranz return false; 201747211192STobias Waldekranz } 201847211192STobias Waldekranz 2019c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2020c5381154SVladimir Oltean { 2021c5381154SVladimir Oltean } 2022c5381154SVladimir Oltean 202347211192STobias Waldekranz static inline void 202447211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 202547211192STobias Waldekranz struct sk_buff *skb) 202647211192STobias Waldekranz { 202747211192STobias Waldekranz } 202847211192STobias Waldekranz 202947211192STobias Waldekranz static inline void 203047211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 203147211192STobias Waldekranz struct sk_buff *skb) 203247211192STobias Waldekranz { 203347211192STobias Waldekranz } 203447211192STobias Waldekranz 20356bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20366bc506b4SIdo Schimmel struct sk_buff *skb) 20376bc506b4SIdo Schimmel { 20386bc506b4SIdo Schimmel } 20396bc506b4SIdo Schimmel 20406bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20416bc506b4SIdo Schimmel const struct sk_buff *skb) 20426bc506b4SIdo Schimmel { 20436bc506b4SIdo Schimmel return true; 20446bc506b4SIdo Schimmel } 20453922285dSArkadi Sharshevsky 20463922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20473922285dSArkadi Sharshevsky unsigned long flags, 2048078bbb85SVladimir Oltean unsigned long mask, 2049078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20503922285dSArkadi Sharshevsky { 20513922285dSArkadi Sharshevsky return 0; 20523922285dSArkadi Sharshevsky } 20536b26b51bSArkadi Sharshevsky 2054d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2055169327d5SPetr Machata u16 vid, u16 flags, 2056169327d5SPetr Machata struct netlink_ext_ack *extack) 2057d66e4348SPetr Machata { 2058d66e4348SPetr Machata return -EOPNOTSUPP; 2059d66e4348SPetr Machata } 2060d66e4348SPetr Machata 2061d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2062d66e4348SPetr Machata { 2063d66e4348SPetr Machata return -EOPNOTSUPP; 2064d66e4348SPetr Machata } 2065d66e4348SPetr Machata 20666b26b51bSArkadi Sharshevsky static inline void 20676eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20686eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20696b26b51bSArkadi Sharshevsky { 20706b26b51bSArkadi Sharshevsky } 2071f1c2eddfSIdo Schimmel 2072ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2073ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2074ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2075ae039350SVladimir Oltean int type) 2076ae039350SVladimir Oltean { 2077ae039350SVladimir Oltean } 2078ae039350SVladimir Oltean 2079f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2080f1c2eddfSIdo Schimmel { 2081f1c2eddfSIdo Schimmel } 208285826610STobias Waldekranz 208385826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 208485826610STobias Waldekranz { 208585826610STobias Waldekranz } 208685826610STobias Waldekranz 20876bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20886bc506b4SIdo Schimmel 2089057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2090821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2091057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2092057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2093ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2094ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2095ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20961da177e4SLinus Torvalds #endif 2097