12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 31d08c6bc0SNikolay Aleksandrov 3285826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3385826610STobias Waldekranz 349cde0708SStephen Hemminger #define BR_VERSION "2.3" 359cde0708SStephen Hemminger 36515853ccSstephen hemminger /* Control of forwarding link local multicast */ 37515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 38784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 395af48b59SNikolay Aleksandrov enum { 405af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 415af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 425af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 435af48b59SNikolay Aleksandrov }; 445af48b59SNikolay Aleksandrov 455af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 465af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 47f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 48f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 49515853ccSstephen hemminger 509cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 519cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 528cbb512eSStephen Hemminger 5331cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5431cbc39bSNikolay Aleksandrov 551da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 561da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 571da177e4SLinus Torvalds typedef __u16 port_id; 581da177e4SLinus Torvalds 591c1cb6d0SNikolay Aleksandrov struct bridge_id { 601da177e4SLinus Torvalds unsigned char prio[2]; 61e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 621da177e4SLinus Torvalds }; 631da177e4SLinus Torvalds 641c1cb6d0SNikolay Aleksandrov struct mac_addr { 65e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 661da177e4SLinus Torvalds }; 671da177e4SLinus Torvalds 68cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 69cc0fdd80SLinus Lüssing /* our own querier */ 7090010b36SLinus Lüssing struct bridge_mcast_own_query { 71cc0fdd80SLinus Lüssing struct timer_list timer; 72cc0fdd80SLinus Lüssing u32 startup_sent; 73cc0fdd80SLinus Lüssing }; 74cc0fdd80SLinus Lüssing 75cc0fdd80SLinus Lüssing /* other querier */ 7690010b36SLinus Lüssing struct bridge_mcast_other_query { 77cc0fdd80SLinus Lüssing struct timer_list timer; 78cc0fdd80SLinus Lüssing unsigned long delay_time; 79cc0fdd80SLinus Lüssing }; 80dc4eb53aSLinus Lüssing 81dc4eb53aSLinus Lüssing /* selected querier */ 82dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 83dc4eb53aSLinus Lüssing struct br_ip addr; 84bb18ef8eSNikolay Aleksandrov int port_ifidx; 85f936bb42SThomas Gleixner seqcount_spinlock_t seq; 86dc4eb53aSLinus Lüssing }; 871080ab95SNikolay Aleksandrov 881080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 891080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 901080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 911080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 921080ab95SNikolay Aleksandrov }; 93cc0fdd80SLinus Lüssing #endif 94cc0fdd80SLinus Lüssing 959632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 969632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 979632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 989632233eSNikolay Aleksandrov struct net_bridge_port *port; 99613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1009632233eSNikolay Aleksandrov 1019632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1029632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1039632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1049632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1059632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1069632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1079632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1089632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1099632233eSNikolay Aleksandrov unsigned char multicast_router; 1109632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1119632233eSNikolay Aleksandrov }; 1129632233eSNikolay Aleksandrov 113d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 114d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 115d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 116d3d065c0SNikolay Aleksandrov struct net_bridge *br; 117613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 118d3d065c0SNikolay Aleksandrov 119d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 120d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 121d3d065c0SNikolay Aleksandrov 1224d5b4e84SNikolay Aleksandrov u8 multicast_querier; 123d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 124d3d065c0SNikolay Aleksandrov u8 multicast_router; 125d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 126d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 127d3d065c0SNikolay Aleksandrov #endif 128d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 129d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 130d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 133d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 134d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 135d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 136d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 137d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 139d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 140d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 141d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 142d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 143d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 144d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 145d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 146d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 147d3d065c0SNikolay Aleksandrov }; 148d3d065c0SNikolay Aleksandrov 149efa5356bSRoopa Prabhu struct br_tunnel_info { 150efa5356bSRoopa Prabhu __be64 tunnel_id; 15158e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 152efa5356bSRoopa Prabhu }; 153efa5356bSRoopa Prabhu 1549d332e69SNikolay Aleksandrov /* private vlan flags */ 1559d332e69SNikolay Aleksandrov enum { 1569d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15727973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1587b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1597b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1609d332e69SNikolay Aleksandrov }; 1619d332e69SNikolay Aleksandrov 1622594e906SNikolay Aleksandrov /** 1632594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1642594e906SNikolay Aleksandrov * 1652594e906SNikolay Aleksandrov * @vnode: rhashtable member 1662594e906SNikolay Aleksandrov * @vid: VLAN id 1672594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1689d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 169a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1706dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1712594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1722594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1732594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1742594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1752594e906SNikolay Aleksandrov * for this VLAN entry 176613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 177613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 178613d61dbSNikolay Aleksandrov * context 1792594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1802594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1812594e906SNikolay Aleksandrov * 1822594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1832594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1842594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1852594e906SNikolay Aleksandrov * the entry flags that are set. 1862594e906SNikolay Aleksandrov */ 1872594e906SNikolay Aleksandrov struct net_bridge_vlan { 1882594e906SNikolay Aleksandrov struct rhash_head vnode; 189efa5356bSRoopa Prabhu struct rhash_head tnode; 1902594e906SNikolay Aleksandrov u16 vid; 1912594e906SNikolay Aleksandrov u16 flags; 1929d332e69SNikolay Aleksandrov u16 priv_flags; 193a580c76dSNikolay Aleksandrov u8 state; 194281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 195243a2e63SVlad Yasevich union { 196243a2e63SVlad Yasevich struct net_bridge *br; 1972594e906SNikolay Aleksandrov struct net_bridge_port *port; 1982594e906SNikolay Aleksandrov }; 1992594e906SNikolay Aleksandrov union { 20025127759SReshetova, Elena refcount_t refcnt; 2012594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2022594e906SNikolay Aleksandrov }; 203efa5356bSRoopa Prabhu 204efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 205efa5356bSRoopa Prabhu 206613d61dbSNikolay Aleksandrov union { 207613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 208613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 209613d61dbSNikolay Aleksandrov }; 210613d61dbSNikolay Aleksandrov 2112594e906SNikolay Aleksandrov struct list_head vlist; 2122594e906SNikolay Aleksandrov 213243a2e63SVlad Yasevich struct rcu_head rcu; 2142594e906SNikolay Aleksandrov }; 2152594e906SNikolay Aleksandrov 2162594e906SNikolay Aleksandrov /** 2172594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2182594e906SNikolay Aleksandrov * 2192594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2202594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2212594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22277751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 223a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2242594e906SNikolay Aleksandrov * 2252594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2262594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2272594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2282594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2292594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2302594e906SNikolay Aleksandrov */ 2312594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2322594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 233efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2342594e906SNikolay Aleksandrov struct list_head vlan_list; 2356cbdceebSVlad Yasevich u16 num_vlans; 23677751ee8SNikolay Aleksandrov u16 pvid; 237a580c76dSNikolay Aleksandrov u8 pvid_state; 238243a2e63SVlad Yasevich }; 239243a2e63SVlad Yasevich 2406869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2416869c3b0SNikolay Aleksandrov enum { 2426869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24329e63fffSNikolay Aleksandrov BR_FDB_STATIC, 244e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 245ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 246b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 247d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 24831cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 24931cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2506869c3b0SNikolay Aleksandrov }; 2516869c3b0SNikolay Aleksandrov 252eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 253eb793583SNikolay Aleksandrov mac_addr addr; 254eb793583SNikolay Aleksandrov u16 vlan_id; 255eb793583SNikolay Aleksandrov }; 256eb793583SNikolay Aleksandrov 2571214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 258eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2591da177e4SLinus Torvalds struct net_bridge_port *dst; 2601da177e4SLinus Torvalds 261eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 262eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2636869c3b0SNikolay Aleksandrov unsigned long flags; 2641214628cSNikolay Aleksandrov 2651214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2661214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2671214628cSNikolay Aleksandrov unsigned long used; 2681214628cSNikolay Aleksandrov 269b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2701da177e4SLinus Torvalds }; 2711da177e4SLinus Torvalds 2729d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2739d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2743247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2758266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2769116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2779d06b6d8SElad Raz 2788b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2798b671779SNikolay Aleksandrov 2808b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2818b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 282b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2838b671779SNikolay Aleksandrov 284e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 285e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 286e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 287e12cec65SNikolay Aleksandrov }; 288e12cec65SNikolay Aleksandrov 2898b671779SNikolay Aleksandrov struct net_bridge_group_src { 2908b671779SNikolay Aleksandrov struct hlist_node node; 2918b671779SNikolay Aleksandrov 2928b671779SNikolay Aleksandrov struct br_ip addr; 2938b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2948b671779SNikolay Aleksandrov u8 flags; 295438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2968b671779SNikolay Aleksandrov struct timer_list timer; 2978b671779SNikolay Aleksandrov 2988b671779SNikolay Aleksandrov struct net_bridge *br; 299e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3008b671779SNikolay Aleksandrov struct rcu_head rcu; 3018b671779SNikolay Aleksandrov }; 3028b671779SNikolay Aleksandrov 303085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 304eb1d1641SHerbert Xu struct net_bridge_port *port; 3058ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 306085b53c8SNikolay Aleksandrov }; 307085b53c8SNikolay Aleksandrov 308085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 309085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 310085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 311206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3129d06b6d8SElad Raz unsigned char flags; 3138b671779SNikolay Aleksandrov unsigned char filter_mode; 31442c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3158f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3166ec0d0eeSNikolay Aleksandrov 3178b671779SNikolay Aleksandrov struct hlist_head src_list; 3188b671779SNikolay Aleksandrov unsigned int src_ents; 3196ec0d0eeSNikolay Aleksandrov struct timer_list timer; 32042c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3216ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3228f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3238f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3246ec0d0eeSNikolay Aleksandrov 325085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 326e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3276ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 328eb1d1641SHerbert Xu }; 329eb1d1641SHerbert Xu 3301c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 33119e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 332eb1d1641SHerbert Xu struct net_bridge *br; 333e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3348ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 335ff0fd34eSAndrew Lunn bool host_joined; 3366ec0d0eeSNikolay Aleksandrov 3376ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33819e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3396ec0d0eeSNikolay Aleksandrov 340e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3416ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 342eb1d1641SHerbert Xu }; 343eb1d1641SHerbert Xu 3441f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3451da177e4SLinus Torvalds struct net_bridge *br; 3461da177e4SLinus Torvalds struct net_device *dev; 347*b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3481da177e4SLinus Torvalds struct list_head list; 3491da177e4SLinus Torvalds 3501f90c7f3SNikolay Aleksandrov unsigned long flags; 3511f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3521f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3531f90c7f3SNikolay Aleksandrov #endif 3542756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3551f90c7f3SNikolay Aleksandrov 3561da177e4SLinus Torvalds /* STP */ 3571da177e4SLinus Torvalds u8 priority; 3581da177e4SLinus Torvalds u8 state; 3591da177e4SLinus Torvalds u16 port_no; 3601da177e4SLinus Torvalds unsigned char topology_change_ack; 3611da177e4SLinus Torvalds unsigned char config_pending; 3621da177e4SLinus Torvalds port_id port_id; 3631da177e4SLinus Torvalds port_id designated_port; 3641da177e4SLinus Torvalds bridge_id designated_root; 3651da177e4SLinus Torvalds bridge_id designated_bridge; 3661da177e4SLinus Torvalds u32 path_cost; 3671da177e4SLinus Torvalds u32 designated_cost; 3680c03150eSstephen hemminger unsigned long designated_age; 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3711da177e4SLinus Torvalds struct timer_list hold_timer; 3721da177e4SLinus Torvalds struct timer_list message_age_timer; 3731da177e4SLinus Torvalds struct kobject kobj; 3741da177e4SLinus Torvalds struct rcu_head rcu; 3753982d3d2SFischer, Anna 3769632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3779632233eSNikolay Aleksandrov 378eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3799632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3809632233eSNikolay Aleksandrov 38189268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38289268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 383eb1d1641SHerbert Xu struct hlist_head mglist; 384eb1d1641SHerbert Xu #endif 385e0f43752SSimon Arlott 386e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 387e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 388e0f43752SSimon Arlott #endif 38991d2c34aSHerbert Xu 39091d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 39191d2c34aSHerbert Xu struct netpoll *np; 39291d2c34aSHerbert Xu #endif 3936bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 394f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 395f7cf972fSTobias Waldekranz * hardware domain. 396f7cf972fSTobias Waldekranz */ 397f7cf972fSTobias Waldekranz int hwdom; 3982f5dc00fSVladimir Oltean int offload_count; 3992f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4006bc506b4SIdo Schimmel #endif 4015af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4022756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 403de179966SVivien Didelot 404de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4051da177e4SLinus Torvalds }; 4061da177e4SLinus Torvalds 407705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 408705e0deaSTyler Hicks 409e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 410f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 411e028e4b8SVlad Yasevich 412b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 413b5ed54e9Sstephen hemminger { 414716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 415b5ed54e9Sstephen hemminger } 416b5ed54e9Sstephen hemminger 4171fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 418b5ed54e9Sstephen hemminger { 41935f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 420ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 421b5ed54e9Sstephen hemminger } 422b5ed54e9Sstephen hemminger 4230baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4240baa10ffSArkadi Sharshevsky { 42535f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4260baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4270baa10ffSArkadi Sharshevsky } 4280baa10ffSArkadi Sharshevsky 429ae75767eSNikolay Aleksandrov enum net_bridge_opts { 430ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 431ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4328df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4338df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4348df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 435be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 43613cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 437675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 438675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 439675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 440c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4413341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4429163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44370e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4449c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 445f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 446ae75767eSNikolay Aleksandrov }; 447ae75767eSNikolay Aleksandrov 4481f90c7f3SNikolay Aleksandrov struct net_bridge { 4491da177e4SLinus Torvalds spinlock_t lock; 4501f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 45190c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4521da177e4SLinus Torvalds struct net_device *dev; 453ae75767eSNikolay Aleksandrov unsigned long options; 4541f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4551f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4561f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4571f90c7f3SNikolay Aleksandrov u16 default_pvid; 4581f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4591f90c7f3SNikolay Aleksandrov #endif 4601f90c7f3SNikolay Aleksandrov 461eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46290c628ddSHenrik Bjoernlund struct list_head port_list; 46334666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 464efb6de9bSBernhard Thaler union { 4654adf0af6SSimon Wunderlich struct rtable fake_rtable; 466efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 467efb6de9bSBernhard Thaler }; 4684adf0af6SSimon Wunderlich #endif 469515853ccSstephen hemminger u16 group_fwd_mask; 470f2808d22SToshiaki Makita u16 group_fwd_mask_required; 471515853ccSstephen hemminger 4721da177e4SLinus Torvalds /* STP */ 4731da177e4SLinus Torvalds bridge_id designated_root; 4741da177e4SLinus Torvalds bridge_id bridge_id; 4751f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4761f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4771f90c7f3SNikolay Aleksandrov u16 root_port; 4781da177e4SLinus Torvalds unsigned long max_age; 4791da177e4SLinus Torvalds unsigned long hello_time; 4801da177e4SLinus Torvalds unsigned long forward_delay; 4811da177e4SLinus Torvalds unsigned long ageing_time; 48234d8acd8SVivien Didelot unsigned long bridge_max_age; 4831da177e4SLinus Torvalds unsigned long bridge_hello_time; 4841da177e4SLinus Torvalds unsigned long bridge_forward_delay; 48534d8acd8SVivien Didelot unsigned long bridge_ageing_time; 48635750b0bSNikolay Aleksandrov u32 root_path_cost; 4871da177e4SLinus Torvalds 488fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4899cde0708SStephen Hemminger 4909cde0708SStephen Hemminger enum { 4919cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4929cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4939cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4949cde0708SStephen Hemminger } stp_enabled; 4959cde0708SStephen Hemminger 496d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 497d3d065c0SNikolay Aleksandrov 498eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 499d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 500eb1d1641SHerbert Xu 501eb1d1641SHerbert Xu u32 hash_max; 502eb1d1641SHerbert Xu 50335750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 504eb1d1641SHerbert Xu 50519e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 506085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 50719e3a9c9SNikolay Aleksandrov 508e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 50919e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 510eb1d1641SHerbert Xu 511e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 512eb1d1641SHerbert Xu #endif 513eb1d1641SHerbert Xu 5141da177e4SLinus Torvalds struct timer_list hello_timer; 5151da177e4SLinus Torvalds struct timer_list tcn_timer; 5161da177e4SLinus Torvalds struct timer_list topology_change_timer; 517f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 51843b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 519e028e4b8SVlad Yasevich u32 auto_cnt; 5206bc506b4SIdo Schimmel 5216bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 522f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 523f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 524f7cf972fSTobias Waldekranz */ 525f7cf972fSTobias Waldekranz int last_hwdom; 52685826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 52785826610STobias Waldekranz unsigned long busy_hwdoms; 5286bc506b4SIdo Schimmel #endif 529eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5304b8d7d4cSHoratiu Vultur 5314b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5320169b820SHoratiu Vultur struct hlist_head mrp_list; 5334b8d7d4cSHoratiu Vultur #endif 534f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 535f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 536f323aa54SHenrik Bjoernlund #endif 5371da177e4SLinus Torvalds }; 5381da177e4SLinus Torvalds 53968b7c895SHerbert Xu struct br_input_skb_cb { 54068b7c895SHerbert Xu struct net_device *brdev; 54193fdd47eSHerbert Xu 5423c171f49SPablo Neira Ayuso u16 frag_max_size; 54332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 544f12064d1SFlorian Westphal u8 igmp; 545f12064d1SFlorian Westphal u8 mrouters_only:1; 54632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 547f12064d1SFlorian Westphal u8 proxyarp_replied:1; 548f12064d1SFlorian Westphal u8 src_port_isolated:1; 54920adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 550f12064d1SFlorian Westphal u8 vlan_filtered:1; 55120adfa1aSVlad Yasevich #endif 552223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 553223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 554223fd0adSFlorian Westphal #endif 5556bc506b4SIdo Schimmel 5566bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 55747211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 55847211192STobias Waldekranz * hardware domain. 55947211192STobias Waldekranz */ 56047211192STobias Waldekranz u8 tx_fwd_offload:1; 561f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 562f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 563f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 564f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 565f7cf972fSTobias Waldekranz */ 566f7cf972fSTobias Waldekranz int src_hwdom; 56747211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 56847211192STobias Waldekranz * transmitted using the TX data plane offload. 56947211192STobias Waldekranz */ 57047211192STobias Waldekranz unsigned long fwd_hwdoms; 5716bc506b4SIdo Schimmel #endif 57268b7c895SHerbert Xu }; 57368b7c895SHerbert Xu 57468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 57568b7c895SHerbert Xu 57632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 58032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 58132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58228a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58328a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 58428a16c97Sstephen hemminger 58528a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 58628a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 58728a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 58828a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 58928a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 59028a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 59128a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59228a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59328a16c97Sstephen hemminger 59428a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 59528a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 59628a16c97Sstephen hemminger 5971da177e4SLinus Torvalds /* called under bridge lock */ 5981da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5991da177e4SLinus Torvalds { 6001da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds 6032594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6042594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6052594e906SNikolay Aleksandrov { 6062594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6072594e906SNikolay Aleksandrov } 6082594e906SNikolay Aleksandrov 6092594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6102594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6112594e906SNikolay Aleksandrov { 6122594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6132594e906SNikolay Aleksandrov } 6142594e906SNikolay Aleksandrov 6156be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6162594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6172594e906SNikolay Aleksandrov { 6182594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6192594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6202594e906SNikolay Aleksandrov return true; 6212594e906SNikolay Aleksandrov else 6222594e906SNikolay Aleksandrov return false; 6232594e906SNikolay Aleksandrov } 6242594e906SNikolay Aleksandrov 6252594e906SNikolay Aleksandrov return true; 6262594e906SNikolay Aleksandrov } 6272594e906SNikolay Aleksandrov 6285d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6295d1fcaf3SNikolay Aleksandrov { 6305d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6315d1fcaf3SNikolay Aleksandrov } 6325d1fcaf3SNikolay Aleksandrov 6338f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6345a46facbSNikolay Aleksandrov { 6358f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6368f4cc940SNikolay Aleksandrov 6378f4cc940SNikolay Aleksandrov if (!ret) 6388f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6398f4cc940SNikolay Aleksandrov 6408f4cc940SNikolay Aleksandrov return ret; 6415a46facbSNikolay Aleksandrov } 6425a46facbSNikolay Aleksandrov 6435a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6448f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6458f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6465a46facbSNikolay Aleksandrov { 6475a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6488f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6498f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6505a46facbSNikolay Aleksandrov return false; 6518f4cc940SNikolay Aleksandrov } 6525a46facbSNikolay Aleksandrov 6535a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6545a46facbSNikolay Aleksandrov * - it has range start flag 6555a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6565a46facbSNikolay Aleksandrov */ 6575a46facbSNikolay Aleksandrov if (last) { 6588f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6598f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6605a46facbSNikolay Aleksandrov return false; 6618f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6628f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6638f4cc940SNikolay Aleksandrov return false; 6648f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6658f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6668f4cc940SNikolay Aleksandrov return false; 6678f4cc940SNikolay Aleksandrov } 6688f4cc940SNikolay Aleksandrov } 6698f4cc940SNikolay Aleksandrov 6708f4cc940SNikolay Aleksandrov /* check for required range flags */ 6718f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6728f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6738f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6745a46facbSNikolay Aleksandrov return false; 6755a46facbSNikolay Aleksandrov } 6765a46facbSNikolay Aleksandrov 6775a46facbSNikolay Aleksandrov return true; 6785a46facbSNikolay Aleksandrov } 6795a46facbSNikolay Aleksandrov 6802796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6812796d846SNikolay Aleksandrov { 6822796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6832796d846SNikolay Aleksandrov 6842796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6852796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 6862796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 6872796d846SNikolay Aleksandrov else 6882796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 6892796d846SNikolay Aleksandrov #endif 6902796d846SNikolay Aleksandrov 6912796d846SNikolay Aleksandrov return mcast_router; 6922796d846SNikolay Aleksandrov } 6932796d846SNikolay Aleksandrov 694f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 695f545923bSNikolay Aleksandrov { 696f545923bSNikolay Aleksandrov switch (cmd) { 697f545923bSNikolay Aleksandrov case RTM_SETLINK: 698f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 699f545923bSNikolay Aleksandrov case RTM_DELLINK: 700f545923bSNikolay Aleksandrov return RTM_DELVLAN; 701f545923bSNikolay Aleksandrov } 702f545923bSNikolay Aleksandrov 703f545923bSNikolay Aleksandrov return 0; 704f545923bSNikolay Aleksandrov } 705f545923bSNikolay Aleksandrov 706ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 707ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 708ae75767eSNikolay Aleksandrov { 709ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 710ae75767eSNikolay Aleksandrov } 711ae75767eSNikolay Aleksandrov 712a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 713a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 714a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 715a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 716a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 717a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 718a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 719a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 720ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 721ae75767eSNikolay Aleksandrov 7221da177e4SLinus Torvalds /* br_device.c */ 723348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 724348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 725348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 726cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 72791d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 72891d2c34aSHerbert Xu struct sk_buff *skb) 72991d2c34aSHerbert Xu { 730f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 73191d2c34aSHerbert Xu } 73291d2c34aSHerbert Xu 733a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 734348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 73591d2c34aSHerbert Xu #else 7369f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 73791d2c34aSHerbert Xu struct sk_buff *skb) 73891d2c34aSHerbert Xu { 73991d2c34aSHerbert Xu } 74091d2c34aSHerbert Xu 741a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 74291d2c34aSHerbert Xu { 74391d2c34aSHerbert Xu return 0; 74491d2c34aSHerbert Xu } 74591d2c34aSHerbert Xu 74691d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 74791d2c34aSHerbert Xu { 74891d2c34aSHerbert Xu } 749cfb478daSstephen hemminger #endif 7501da177e4SLinus Torvalds 7511da177e4SLinus Torvalds /* br_fdb.c */ 752348662a1SJoe Perches int br_fdb_init(void); 753348662a1SJoe Perches void br_fdb_fini(void); 754eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 755eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 756348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 757424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 758424bb9c9SToshiaki Makita const struct net_bridge_port *p, 759424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 760348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 761348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 762f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 763348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7641ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 765bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 766bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 767bfd0aeacSNikolay Aleksandrov __u16 vid); 768348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 769348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 770348662a1SJoe Perches unsigned long off); 771f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 772348662a1SJoe Perches const unsigned char *addr, u16 vid); 773348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 774be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 77577162022SJohn Fastabend 776348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 777f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 778348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 77987b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 78087b0984eSPetr Machata struct netlink_ext_ack *extack); 781348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 782d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 78347674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 78447674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 78547674562SRoopa Prabhu struct netlink_ext_ack *extack); 7868db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7878db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7883aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 78945a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 790161d82deSPetr Machata bool swdev_notify); 7913aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 792161d82deSPetr Machata const unsigned char *addr, u16 vid, 793161d82deSPetr Machata bool swdev_notify); 7949fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 795e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds /* br_forward.c */ 7988addd5e7SNikolay Aleksandrov enum br_pkt_type { 7998addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8008addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8018addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8028addd5e7SNikolay Aleksandrov }; 8030c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 804b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 80537b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8060c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 80737b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8088addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8091da177e4SLinus Torvalds 8107d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8117d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8127d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8137d850abdSNikolay Aleksandrov { 8147d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8157d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8167d850abdSNikolay Aleksandrov } 8177d850abdSNikolay Aleksandrov 8181da177e4SLinus Torvalds /* br_if.c */ 819faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 820348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 821348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 822ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 823ca752be0SDavid Ahern struct netlink_ext_ack *extack); 824348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 825804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 826348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 827c8f44affSMichał Mirosław netdev_features_t features); 828e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8292796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8302756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8311da177e4SLinus Torvalds 8321da177e4SLinus Torvalds /* br_input.c */ 8330c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8349eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8351da177e4SLinus Torvalds 83690c628ddSHenrik Bjoernlund struct br_frame_type { 83790c628ddSHenrik Bjoernlund __be16 type; 83890c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 83990c628ddSHenrik Bjoernlund struct sk_buff *skb); 84090c628ddSHenrik Bjoernlund struct hlist_node list; 84190c628ddSHenrik Bjoernlund }; 84290c628ddSHenrik Bjoernlund 84390c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 84490c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 84590c628ddSHenrik Bjoernlund 846859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 847859828c0SJiri Pirko { 8489eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 849859828c0SJiri Pirko } 850859828c0SJiri Pirko 8514d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8524d4fd361SPetr Machata { 8539eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8544d4fd361SPetr Machata } 8554d4fd361SPetr Machata 856859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 857859828c0SJiri Pirko { 858859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 859859828c0SJiri Pirko } 860859828c0SJiri Pirko 8614d4fd361SPetr Machata static inline struct net_bridge_port * 8624d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8634d4fd361SPetr Machata { 8644d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8654d4fd361SPetr Machata } 8664d4fd361SPetr Machata 8671da177e4SLinus Torvalds /* br_ioctl.c */ 868561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 869561d8352SArnd Bergmann void __user *data, int cmd); 870ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 871ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8721da177e4SLinus Torvalds 873eb1d1641SHerbert Xu /* br_multicast.c */ 874eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 875f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 876f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 877f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 878fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 879adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 880eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8811080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 882348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 883348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 884348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 885348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 886851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 887851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 888348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 889348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 890e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 891adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 892adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 893adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 894a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 895a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 896a53581d5SNikolay Aleksandrov unsigned long val); 8972796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 898ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 899ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 90062938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 901348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 902df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 903df271cd6SNikolay Aleksandrov unsigned long val); 904aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 905df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 906df271cd6SNikolay Aleksandrov unsigned long val); 907aa2ae3e7SNikolay Aleksandrov #endif 908348662a1SJoe Perches struct net_bridge_mdb_entry * 90919e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 910348662a1SJoe Perches struct net_bridge_mdb_entry * 91119e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 912348662a1SJoe Perches struct net_bridge_port_group * 913348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 914762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9158b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9168f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 91719e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 91819e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 91981f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 92081f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9211e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 922949f1e39SSatish Ashok int type); 923681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 924681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 925681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 926adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 927adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 928a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9291080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 930b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9311080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9321080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9331080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 93419e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 93519e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 93658d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 93758d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9381bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9398266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9408266a049SNikolay Aleksandrov u8 filter_mode); 9418266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9428266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 943474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 944474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 945d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 946d5a10222SNikolay Aleksandrov bool fastleave); 947613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 948613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 949613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 950613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 951613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 952613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 953613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 954613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9557b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 956f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 957f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9589dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 95985b35269SSridhar Samudrala 960dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 961dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 962c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 963c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 964c7fa1d9bSNikolay Aleksandrov int nest_attr); 965c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 96605d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 9674e51bf44SVladimir Oltean 968955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 969955062b0SNikolay Aleksandrov { 970955062b0SNikolay Aleksandrov return group->proto == 0; 971955062b0SNikolay Aleksandrov } 972955062b0SNikolay Aleksandrov 973cfd56754SCong Wang #define mlock_dereference(X, br) \ 974cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 975cfd56754SCong Wang 97644ebb081SLinus Lüssing static inline struct hlist_node * 977adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 978adc47037SNikolay Aleksandrov struct sk_buff *skb) 979d3d065c0SNikolay Aleksandrov { 980a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 981a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 982d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 983a3c02e76SLinus Lüssing #endif 984d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 98544ebb081SLinus Lüssing } 98644ebb081SLinus Lüssing 98744ebb081SLinus Lüssing static inline struct net_bridge_port * 988d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 989d3d065c0SNikolay Aleksandrov { 9909632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9919632233eSNikolay Aleksandrov 992a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 993a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9949632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9959632233eSNikolay Aleksandrov ip6_rlist); 9969632233eSNikolay Aleksandrov else 997a3c02e76SLinus Lüssing #endif 9989632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9999632233eSNikolay Aleksandrov ip4_rlist); 10009632233eSNikolay Aleksandrov 10019632233eSNikolay Aleksandrov if (mctx) 10029632233eSNikolay Aleksandrov return mctx->port; 10039632233eSNikolay Aleksandrov else 10049632233eSNikolay Aleksandrov return NULL; 100544ebb081SLinus Lüssing } 100644ebb081SLinus Lüssing 1007d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 100885b35269SSridhar Samudrala { 1009d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10101a3065a2SLinus Lüssing } 10111a3065a2SLinus Lüssing 1012d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10131a3065a2SLinus Lüssing { 10141a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1015d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10161a3065a2SLinus Lüssing #else 10171a3065a2SLinus Lüssing return false; 10181a3065a2SLinus Lüssing #endif 10191a3065a2SLinus Lüssing } 10201a3065a2SLinus Lüssing 10211a3065a2SLinus Lüssing static inline bool 1022adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10231a3065a2SLinus Lüssing { 1024d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10251a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10261a3065a2SLinus Lüssing return true; 10271a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10281a3065a2SLinus Lüssing if (skb) { 10291a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1030d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10311a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1032d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10331a3065a2SLinus Lüssing } else { 1034d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1035d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10361a3065a2SLinus Lüssing } 10371a3065a2SLinus Lüssing fallthrough; 10381a3065a2SLinus Lüssing default: 10391a3065a2SLinus Lüssing return false; 10401a3065a2SLinus Lüssing } 104185b35269SSridhar Samudrala } 1042b00589afSLinus Lüssing 1043cc0fdd80SLinus Lüssing static inline bool 1044adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10450888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10460888d5f3Sdaniel const bool is_ipv6) 1047b00589afSLinus Lüssing { 10480888d5f3Sdaniel bool own_querier_enabled; 10490888d5f3Sdaniel 105062938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1051adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10520888d5f3Sdaniel own_querier_enabled = false; 10530888d5f3Sdaniel else 10540888d5f3Sdaniel own_querier_enabled = true; 10550888d5f3Sdaniel } else { 10560888d5f3Sdaniel own_querier_enabled = false; 10570888d5f3Sdaniel } 10580888d5f3Sdaniel 1059cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10600888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1061cc0fdd80SLinus Lüssing } 1062cc0fdd80SLinus Lüssing 1063adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1064955062b0SNikolay Aleksandrov struct ethhdr *eth, 1065955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1066cc0fdd80SLinus Lüssing { 1067cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1068cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1069adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1070adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1071cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1072cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1073adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1074adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1075cc0fdd80SLinus Lüssing #endif 1076cc0fdd80SLinus Lüssing default: 1077955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1078cc0fdd80SLinus Lüssing } 1079b00589afSLinus Lüssing } 10801080ab95SNikolay Aleksandrov 108188d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 108288d4bd18SNikolay Aleksandrov { 108388d4bd18SNikolay Aleksandrov switch (ip->proto) { 108488d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 108588d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 108688d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 108788d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 108888d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 108988d4bd18SNikolay Aleksandrov #endif 109088d4bd18SNikolay Aleksandrov default: 109188d4bd18SNikolay Aleksandrov return false; 109288d4bd18SNikolay Aleksandrov } 109388d4bd18SNikolay Aleksandrov } 109488d4bd18SNikolay Aleksandrov 1095adc47037SNikolay Aleksandrov static inline bool 1096adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10978266a049SNikolay Aleksandrov __be16 proto) 10988266a049SNikolay Aleksandrov { 10998266a049SNikolay Aleksandrov switch (proto) { 11008266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1101adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11028266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11038266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1104adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11058266a049SNikolay Aleksandrov #endif 11068266a049SNikolay Aleksandrov default: 11078266a049SNikolay Aleksandrov return false; 11088266a049SNikolay Aleksandrov } 11098266a049SNikolay Aleksandrov } 11108266a049SNikolay Aleksandrov 11111080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11121080ab95SNikolay Aleksandrov { 11131080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11141080ab95SNikolay Aleksandrov } 111542c11ccfSNikolay Aleksandrov 1116adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 111742c11ccfSNikolay Aleksandrov { 1118adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1119adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 112042c11ccfSNikolay Aleksandrov } 11210436862eSNikolay Aleksandrov 1122adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11230436862eSNikolay Aleksandrov { 1124fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11250436862eSNikolay Aleksandrov } 11267b54aaafSNikolay Aleksandrov 11277b54aaafSNikolay Aleksandrov static inline bool 11287b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11297b54aaafSNikolay Aleksandrov { 11307b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11317b54aaafSNikolay Aleksandrov } 11327b54aaafSNikolay Aleksandrov 11337b54aaafSNikolay Aleksandrov static inline bool 11347b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11357b54aaafSNikolay Aleksandrov { 11367b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11377b54aaafSNikolay Aleksandrov } 11387b54aaafSNikolay Aleksandrov 11397b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11407b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11417b54aaafSNikolay Aleksandrov { 11427b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11437b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11447b54aaafSNikolay Aleksandrov else 11457b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11467b54aaafSNikolay Aleksandrov } 11477b54aaafSNikolay Aleksandrov 11487b54aaafSNikolay Aleksandrov static inline bool 11497b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11507b54aaafSNikolay Aleksandrov { 1151f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1152f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11537b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11547b54aaafSNikolay Aleksandrov } 11557b54aaafSNikolay Aleksandrov 11567b54aaafSNikolay Aleksandrov static inline bool 11577b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11587b54aaafSNikolay Aleksandrov { 11597b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11607b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11617b54aaafSNikolay Aleksandrov } 11627b54aaafSNikolay Aleksandrov 11637b54aaafSNikolay Aleksandrov static inline bool 11647b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11657b54aaafSNikolay Aleksandrov { 11667b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11677b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11687b54aaafSNikolay Aleksandrov } 11694cdd0d10SNikolay Aleksandrov 11704cdd0d10SNikolay Aleksandrov static inline bool 11714cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11724cdd0d10SNikolay Aleksandrov { 11734cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11744cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11754cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11764cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11774cdd0d10SNikolay Aleksandrov } 11784cdd0d10SNikolay Aleksandrov 11794cdd0d10SNikolay Aleksandrov static inline bool 11804cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11814cdd0d10SNikolay Aleksandrov { 11824cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11834cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11844cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11854cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11864cdd0d10SNikolay Aleksandrov } 1187df271cd6SNikolay Aleksandrov 1188df271cd6SNikolay Aleksandrov static inline bool 1189dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1190dc002875SNikolay Aleksandrov { 1191dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1192dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1193dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1194dc002875SNikolay Aleksandrov #else 1195dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1196dc002875SNikolay Aleksandrov #endif 1197dc002875SNikolay Aleksandrov } 1198dc002875SNikolay Aleksandrov 1199dc002875SNikolay Aleksandrov static inline bool 1200df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1201df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1202df271cd6SNikolay Aleksandrov { 1203df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1204df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1205931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1206931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 120750725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 120850725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 120977f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 121077f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12112da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12122da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1213cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1214cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1215d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1216d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 121742521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 121842521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1219941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1220941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 122162938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1222a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1223dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1224dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1225df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1226df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1227df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1228df271cd6SNikolay Aleksandrov #endif 1229df271cd6SNikolay Aleksandrov true; 1230df271cd6SNikolay Aleksandrov } 1231cb486ce9SNikolay Aleksandrov 1232cb486ce9SNikolay Aleksandrov static inline bool 1233cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1234cb486ce9SNikolay Aleksandrov { 1235cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1236cb486ce9SNikolay Aleksandrov 1237cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1238cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1239cb486ce9SNikolay Aleksandrov 1240cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1241cb486ce9SNikolay Aleksandrov } 1242eb1d1641SHerbert Xu #else 1243f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1244f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1245f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 124606499098SVlad Yasevich struct sk_buff *skb, 124706499098SVlad Yasevich u16 vid) 1248eb1d1641SHerbert Xu { 1249eb1d1641SHerbert Xu return 0; 1250eb1d1641SHerbert Xu } 1251eb1d1641SHerbert Xu 1252adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1253fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1254eb1d1641SHerbert Xu { 1255eb1d1641SHerbert Xu return NULL; 1256eb1d1641SHerbert Xu } 1257eb1d1641SHerbert Xu 12581080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1259eb1d1641SHerbert Xu { 12601080ab95SNikolay Aleksandrov return 0; 1261eb1d1641SHerbert Xu } 1262eb1d1641SHerbert Xu 1263eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1264eb1d1641SHerbert Xu { 1265eb1d1641SHerbert Xu } 1266eb1d1641SHerbert Xu 1267eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1268eb1d1641SHerbert Xu { 1269eb1d1641SHerbert Xu } 1270eb1d1641SHerbert Xu 1271eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1272eb1d1641SHerbert Xu { 1273eb1d1641SHerbert Xu } 1274eb1d1641SHerbert Xu 1275eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1276eb1d1641SHerbert Xu { 1277eb1d1641SHerbert Xu } 1278eb1d1641SHerbert Xu 1279851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1280851d0a73SJoseph Huang { 1281851d0a73SJoseph Huang } 1282851d0a73SJoseph Huang 1283851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1284851d0a73SJoseph Huang { 1285851d0a73SJoseph Huang } 1286851d0a73SJoseph Huang 1287eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1288eb1d1641SHerbert Xu { 1289eb1d1641SHerbert Xu } 1290eb1d1641SHerbert Xu 1291eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1292eb1d1641SHerbert Xu { 1293eb1d1641SHerbert Xu } 12945cb5e947SHerbert Xu 1295a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1296a7ce45a7SNikolay Aleksandrov { 1297a7ce45a7SNikolay Aleksandrov } 1298a7ce45a7SNikolay Aleksandrov 129937b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 130037b090e6SNikolay Aleksandrov struct sk_buff *skb, 1301adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 130237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13035cb5e947SHerbert Xu { 13045cb5e947SHerbert Xu } 13055cb5e947SHerbert Xu 1306adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1307bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1308eb1d1641SHerbert Xu { 130903aaa9e2SGustavo A. R. Silva return false; 1310eb1d1641SHerbert Xu } 131137b090e6SNikolay Aleksandrov 1312adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1313c43fd36fSVladimir Oltean struct ethhdr *eth, 1314c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1315b00589afSLinus Lüssing { 1316b00589afSLinus Lüssing return false; 1317b00589afSLinus Lüssing } 131837b090e6SNikolay Aleksandrov 1319fdb184d1SRami Rosen static inline void br_mdb_init(void) 1320fdb184d1SRami Rosen { 1321fdb184d1SRami Rosen } 132237b090e6SNikolay Aleksandrov 1323fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1324fdb184d1SRami Rosen { 1325fdb184d1SRami Rosen } 13261080ab95SNikolay Aleksandrov 132719e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 132819e3a9c9SNikolay Aleksandrov { 132919e3a9c9SNikolay Aleksandrov return 0; 133019e3a9c9SNikolay Aleksandrov } 133119e3a9c9SNikolay Aleksandrov 133219e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 133319e3a9c9SNikolay Aleksandrov { 133419e3a9c9SNikolay Aleksandrov } 133519e3a9c9SNikolay Aleksandrov 13361080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13371080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1338a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1339a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13401080ab95SNikolay Aleksandrov { 13411080ab95SNikolay Aleksandrov } 13421080ab95SNikolay Aleksandrov 13431080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13441080ab95SNikolay Aleksandrov { 13451080ab95SNikolay Aleksandrov return 0; 13461080ab95SNikolay Aleksandrov } 13471080ab95SNikolay Aleksandrov 1348b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1349b6fe0440SIdo Schimmel { 1350b6fe0440SIdo Schimmel } 1351b6fe0440SIdo Schimmel 13521080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13531080ab95SNikolay Aleksandrov { 13541080ab95SNikolay Aleksandrov return 0; 13551080ab95SNikolay Aleksandrov } 1356613d61dbSNikolay Aleksandrov 1357613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1358613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1359613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1360613d61dbSNikolay Aleksandrov { 1361613d61dbSNikolay Aleksandrov } 1362613d61dbSNikolay Aleksandrov 1363613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1364613d61dbSNikolay Aleksandrov { 1365613d61dbSNikolay Aleksandrov } 1366613d61dbSNikolay Aleksandrov 1367613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1368613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1369613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1370613d61dbSNikolay Aleksandrov { 1371613d61dbSNikolay Aleksandrov } 1372613d61dbSNikolay Aleksandrov 1373613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1374613d61dbSNikolay Aleksandrov { 1375613d61dbSNikolay Aleksandrov } 13767b54aaafSNikolay Aleksandrov 13777b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13787b54aaafSNikolay Aleksandrov bool on) 13797b54aaafSNikolay Aleksandrov { 13807b54aaafSNikolay Aleksandrov } 1381f4b7002aSNikolay Aleksandrov 1382f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1383f4b7002aSNikolay Aleksandrov bool on, 1384f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1385f4b7002aSNikolay Aleksandrov { 1386f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1387f4b7002aSNikolay Aleksandrov } 13889dee572cSNikolay Aleksandrov 13899dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13909dee572cSNikolay Aleksandrov bool on) 13919dee572cSNikolay Aleksandrov { 13929dee572cSNikolay Aleksandrov return false; 13939dee572cSNikolay Aleksandrov } 13944e51bf44SVladimir Oltean 1395df271cd6SNikolay Aleksandrov static inline bool 1396df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1397df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1398df271cd6SNikolay Aleksandrov { 1399df271cd6SNikolay Aleksandrov return true; 1400df271cd6SNikolay Aleksandrov } 140185b35269SSridhar Samudrala #endif 1402eb1d1641SHerbert Xu 1403243a2e63SVlad Yasevich /* br_vlan.c */ 1404243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 140577751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 140677751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1407f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1408f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 140977751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 141085f46c6bSVlad Yasevich const struct sk_buff *skb); 1411e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1412348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 141311538d03SRoopa Prabhu const struct net_bridge_port *port, 14142594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 141578851988SVlad Yasevich struct sk_buff *skb); 1416f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1417169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1418348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1419348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14202594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1421204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14229e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14239e781401SVladimir Oltean struct netlink_ext_ack *extack); 1424dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1425dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14269e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14279e781401SVladimir Oltean struct netlink_ext_ack *extack); 14286dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14299163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14305be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14319e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14329e781401SVladimir Oltean struct netlink_ext_ack *extack); 1433169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1434169327d5SPetr Machata struct netlink_ext_ack *extack); 1435f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1436169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1437348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1438348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1439169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14402594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1441a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1442281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14439c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1444091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14459c0ec2e7SMike Manning void *ptr); 14468dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14478dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1448cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1449cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1450cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1451cf5bddb9SNikolay Aleksandrov int cmd); 1452a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1453a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1454a37b85c9SVlad Yasevich 1455bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1456bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1457bcf2766bSFelix Fietkau struct net_device_path *path); 1458bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1459bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1460bcf2766bSFelix Fietkau struct net_device_path *path); 1461bcf2766bSFelix Fietkau 14622594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1463a37b85c9SVlad Yasevich const struct net_bridge *br) 1464a37b85c9SVlad Yasevich { 1465907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1466a37b85c9SVlad Yasevich } 1467a37b85c9SVlad Yasevich 14682594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1469a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1470a37b85c9SVlad Yasevich { 1471907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1472907b1e6eSNikolay Aleksandrov } 1473907b1e6eSNikolay Aleksandrov 1474907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1475907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1476907b1e6eSNikolay Aleksandrov { 1477907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1478907b1e6eSNikolay Aleksandrov } 1479907b1e6eSNikolay Aleksandrov 1480907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1481907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1482907b1e6eSNikolay Aleksandrov { 1483907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1484a37b85c9SVlad Yasevich } 1485a37b85c9SVlad Yasevich 1486a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1487a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1488a37b85c9SVlad Yasevich */ 1489a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1490a37b85c9SVlad Yasevich { 1491a37b85c9SVlad Yasevich int err = 0; 1492a37b85c9SVlad Yasevich 14932594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 14945978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 14952594e906SNikolay Aleksandrov } else { 1496a37b85c9SVlad Yasevich *vid = 0; 1497a37b85c9SVlad Yasevich err = -EINVAL; 1498a37b85c9SVlad Yasevich } 1499a37b85c9SVlad Yasevich 1500a37b85c9SVlad Yasevich return err; 1501a37b85c9SVlad Yasevich } 150278851988SVlad Yasevich 150377751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 150478851988SVlad Yasevich { 150577751ee8SNikolay Aleksandrov if (!vg) 15065be5a2dfSVlad Yasevich return 0; 15075be5a2dfSVlad Yasevich 150878851988SVlad Yasevich smp_rmb(); 150977751ee8SNikolay Aleksandrov return vg->pvid; 151078851988SVlad Yasevich } 151178851988SVlad Yasevich 15128dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15138dcea187SNikolay Aleksandrov { 15148dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15158dcea187SNikolay Aleksandrov } 1516243a2e63SVlad Yasevich #else 151777751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 151877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15192594e906SNikolay Aleksandrov struct sk_buff *skb, 1520f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1521f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1522f4b7002aSNikolay Aleksandrov 15232594e906SNikolay Aleksandrov { 1524f4b7002aSNikolay Aleksandrov *vlan = NULL; 15252594e906SNikolay Aleksandrov return true; 15262594e906SNikolay Aleksandrov } 15272594e906SNikolay Aleksandrov 15282594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 152985f46c6bSVlad Yasevich const struct sk_buff *skb) 153085f46c6bSVlad Yasevich { 153185f46c6bSVlad Yasevich return true; 153285f46c6bSVlad Yasevich } 153385f46c6bSVlad Yasevich 1534e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1535e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1536e0d7968aSToshiaki Makita { 1537e0d7968aSToshiaki Makita return true; 1538e0d7968aSToshiaki Makita } 1539e0d7968aSToshiaki Makita 154078851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 154111538d03SRoopa Prabhu const struct net_bridge_port *port, 15422594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 154378851988SVlad Yasevich struct sk_buff *skb) 154478851988SVlad Yasevich { 154578851988SVlad Yasevich return skb; 154678851988SVlad Yasevich } 154778851988SVlad Yasevich 1548f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1549169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1550243a2e63SVlad Yasevich { 1551f418af63SNikolay Aleksandrov *changed = false; 1552243a2e63SVlad Yasevich return -EOPNOTSUPP; 1553243a2e63SVlad Yasevich } 1554243a2e63SVlad Yasevich 1555243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1556243a2e63SVlad Yasevich { 1557243a2e63SVlad Yasevich return -EOPNOTSUPP; 1558243a2e63SVlad Yasevich } 1559243a2e63SVlad Yasevich 1560243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1561243a2e63SVlad Yasevich { 1562243a2e63SVlad Yasevich } 1563243a2e63SVlad Yasevich 1564204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1565204177f3SToshiaki Makita { 1566204177f3SToshiaki Makita } 1567204177f3SToshiaki Makita 15685be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15698580e211SToshiaki Makita { 15705be5a2dfSVlad Yasevich return 0; 15718580e211SToshiaki Makita } 15728580e211SToshiaki Makita 1573f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1574169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1575243a2e63SVlad Yasevich { 1576f418af63SNikolay Aleksandrov *changed = false; 1577243a2e63SVlad Yasevich return -EOPNOTSUPP; 1578243a2e63SVlad Yasevich } 1579243a2e63SVlad Yasevich 1580243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1581243a2e63SVlad Yasevich { 1582243a2e63SVlad Yasevich return -EOPNOTSUPP; 1583243a2e63SVlad Yasevich } 1584243a2e63SVlad Yasevich 1585243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1586243a2e63SVlad Yasevich { 1587243a2e63SVlad Yasevich } 1588243a2e63SVlad Yasevich 15892594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 15902594e906SNikolay Aleksandrov u16 vid) 1591a37b85c9SVlad Yasevich { 1592a37b85c9SVlad Yasevich return NULL; 1593a37b85c9SVlad Yasevich } 1594bc9a25d2SVlad Yasevich 1595169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1596169327d5SPetr Machata struct netlink_ext_ack *extack) 15975be5a2dfSVlad Yasevich { 15985be5a2dfSVlad Yasevich return 0; 15995be5a2dfSVlad Yasevich } 16005be5a2dfSVlad Yasevich 160178851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1602a37b85c9SVlad Yasevich { 1603a37b85c9SVlad Yasevich return 0; 1604a37b85c9SVlad Yasevich } 16052594e906SNikolay Aleksandrov 160677751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 160778851988SVlad Yasevich { 16083df6bf45SVlad Yasevich return 0; 160978851988SVlad Yasevich } 16102796d0c6SVlad Yasevich 16117a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1612c97f47e3SVladimir Oltean unsigned long val, 1613c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1614a7854037SNikolay Aleksandrov { 1615a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1616a7854037SNikolay Aleksandrov } 16172594e906SNikolay Aleksandrov 16182594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16192594e906SNikolay Aleksandrov u32 filter_mask) 16202594e906SNikolay Aleksandrov { 16212594e906SNikolay Aleksandrov return 0; 16222594e906SNikolay Aleksandrov } 16232594e906SNikolay Aleksandrov 1624bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1625bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1626bcf2766bSFelix Fietkau struct net_device_path *path) 1627bcf2766bSFelix Fietkau { 1628bcf2766bSFelix Fietkau } 1629bcf2766bSFelix Fietkau 1630bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1631bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1632bcf2766bSFelix Fietkau struct net_device_path *path) 1633bcf2766bSFelix Fietkau { 1634bcf2766bSFelix Fietkau return 0; 1635bcf2766bSFelix Fietkau } 1636bcf2766bSFelix Fietkau 16372594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16382594e906SNikolay Aleksandrov const struct net_bridge *br) 16392594e906SNikolay Aleksandrov { 16402594e906SNikolay Aleksandrov return NULL; 16412594e906SNikolay Aleksandrov } 16422594e906SNikolay Aleksandrov 16432594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16442594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16452594e906SNikolay Aleksandrov { 16462594e906SNikolay Aleksandrov return NULL; 16472594e906SNikolay Aleksandrov } 1648907b1e6eSNikolay Aleksandrov 1649907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1650907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1651907b1e6eSNikolay Aleksandrov { 1652907b1e6eSNikolay Aleksandrov return NULL; 1653907b1e6eSNikolay Aleksandrov } 1654907b1e6eSNikolay Aleksandrov 1655907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1656907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1657907b1e6eSNikolay Aleksandrov { 1658907b1e6eSNikolay Aleksandrov return NULL; 1659907b1e6eSNikolay Aleksandrov } 1660a60c0903SNikolay Aleksandrov 1661a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1662281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1663a60c0903SNikolay Aleksandrov { 1664a60c0903SNikolay Aleksandrov } 16659c0ec2e7SMike Manning 16669c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16679c0ec2e7SMike Manning unsigned long event) 16689c0ec2e7SMike Manning { 16699c0ec2e7SMike Manning } 16709c0ec2e7SMike Manning 1671091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16729c0ec2e7SMike Manning unsigned long event, void *ptr) 16739c0ec2e7SMike Manning { 1674091adf9bSNikolay Aleksandrov return 0; 16759c0ec2e7SMike Manning } 16768dcea187SNikolay Aleksandrov 16778dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16788dcea187SNikolay Aleksandrov { 16798dcea187SNikolay Aleksandrov } 16808dcea187SNikolay Aleksandrov 16818dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16828dcea187SNikolay Aleksandrov { 16838dcea187SNikolay Aleksandrov } 1684cf5bddb9SNikolay Aleksandrov 1685cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1686cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1687cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1688cf5bddb9SNikolay Aleksandrov int cmd) 1689cf5bddb9SNikolay Aleksandrov { 1690cf5bddb9SNikolay Aleksandrov } 1691528ae84aSNikolay Aleksandrov 1692528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1693528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1694528ae84aSNikolay Aleksandrov { 1695528ae84aSNikolay Aleksandrov return true; 1696528ae84aSNikolay Aleksandrov } 16974e51bf44SVladimir Oltean 1698c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1699c5f6e5ebSVladimir Oltean { 1700c5f6e5ebSVladimir Oltean return 0; 1701c5f6e5ebSVladimir Oltean } 1702c5f6e5ebSVladimir Oltean 1703243a2e63SVlad Yasevich #endif 1704243a2e63SVlad Yasevich 17057a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17067a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 170799f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 170899f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17097a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17107a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1711a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1712a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1713a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1714a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1715a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1716a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 171747ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 171847ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 171947ecd2dbSNikolay Aleksandrov int cmd, 172047ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1721743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1722743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1723743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1724743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1725a580c76dSNikolay Aleksandrov 1726a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1727a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1728a580c76dSNikolay Aleksandrov { 1729a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1730a580c76dSNikolay Aleksandrov } 1731a580c76dSNikolay Aleksandrov 1732a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1733a580c76dSNikolay Aleksandrov { 1734a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1735a580c76dSNikolay Aleksandrov } 1736a580c76dSNikolay Aleksandrov 1737a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1738a580c76dSNikolay Aleksandrov { 1739a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1740a580c76dSNikolay Aleksandrov } 1741a580c76dSNikolay Aleksandrov 1742a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1743a580c76dSNikolay Aleksandrov u8 state) 1744a580c76dSNikolay Aleksandrov { 1745a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1746a580c76dSNikolay Aleksandrov } 1747a580c76dSNikolay Aleksandrov 1748a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1749a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1750a580c76dSNikolay Aleksandrov { 1751a580c76dSNikolay Aleksandrov switch (state) { 1752a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1753a580c76dSNikolay Aleksandrov return learn_allow; 1754a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1755a580c76dSNikolay Aleksandrov return true; 1756a580c76dSNikolay Aleksandrov default: 1757a580c76dSNikolay Aleksandrov return false; 1758a580c76dSNikolay Aleksandrov } 1759a580c76dSNikolay Aleksandrov } 17607a53e718SNikolay Aleksandrov #endif 17617a53e718SNikolay Aleksandrov 17621a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17631a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17641a4ba64dSPablo Neira Ayuso }; 17651a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17661a4ba64dSPablo Neira Ayuso 17671da177e4SLinus Torvalds /* br_netfilter.c */ 176834666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 176934666d46SPablo Neira Ayuso int br_nf_core_init(void); 177034666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1771348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1772c0909713SStephen Hemminger #else 177334666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 177434666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17754adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1776c0909713SStephen Hemminger #endif 17771da177e4SLinus Torvalds 17781da177e4SLinus Torvalds /* br_stp.c */ 1779775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1780348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1781348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1782348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 17831da177e4SLinus Torvalds 1784348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1785348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1786348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1787348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 178882dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 17899e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 179014f98f25Sstephen hemminger 179114f98f25Sstephen hemminger 17921da177e4SLinus Torvalds /* br_stp_if.c */ 1793348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1794348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1795419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1796419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1797348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1798348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1799348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1800348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1801348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1802348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1803348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1804348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18051da177e4SLinus Torvalds 18061da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18077c85fbf0SPatrick McHardy struct stp_proto; 1808348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18097c85fbf0SPatrick McHardy struct net_device *dev); 18101da177e4SLinus Torvalds 18111da177e4SLinus Torvalds /* br_stp_timer.c */ 1812348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1813348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1814348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18151da177e4SLinus Torvalds 18161da177e4SLinus Torvalds /* br.c */ 1817e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1818da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1819da678292SMichał Mirosław #endif 18201da177e4SLinus Torvalds 182165369933SHoratiu Vultur /* br_mrp.c */ 182265369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 182365369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 182465369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 182565369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 182665369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1827df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 182865369933SHoratiu Vultur #else 182965369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 183065369933SHoratiu Vultur struct nlattr *attr, int cmd, 183165369933SHoratiu Vultur struct netlink_ext_ack *extack) 183265369933SHoratiu Vultur { 183365369933SHoratiu Vultur return -EOPNOTSUPP; 183465369933SHoratiu Vultur } 183565369933SHoratiu Vultur 183665369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 183765369933SHoratiu Vultur { 18388741e184SJason Yan return false; 183965369933SHoratiu Vultur } 184065369933SHoratiu Vultur 184165369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 184265369933SHoratiu Vultur struct net_bridge_port *p) 184365369933SHoratiu Vultur { 184465369933SHoratiu Vultur } 1845df42ef22SHoratiu Vultur 1846df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1847df42ef22SHoratiu Vultur { 1848df42ef22SHoratiu Vultur return 0; 1849df42ef22SHoratiu Vultur } 1850df42ef22SHoratiu Vultur 185165369933SHoratiu Vultur #endif 185265369933SHoratiu Vultur 18532be665c3SHenrik Bjoernlund /* br_cfm.c */ 185486a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18552be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18562be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18572be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 185886a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18595e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1860b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1861b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1862b6d0425bSHenrik Bjoernlund bool getlink); 1863b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1864b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 186586a14b79SHenrik Bjoernlund #else 18662be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18672be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18682be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18692be665c3SHenrik Bjoernlund { 18702be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18712be665c3SHenrik Bjoernlund } 18722be665c3SHenrik Bjoernlund 18732be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18742be665c3SHenrik Bjoernlund { 18752be665c3SHenrik Bjoernlund return false; 18762be665c3SHenrik Bjoernlund } 18772be665c3SHenrik Bjoernlund 187886a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 187986a14b79SHenrik Bjoernlund struct net_bridge_port *p) 188086a14b79SHenrik Bjoernlund { 188186a14b79SHenrik Bjoernlund } 18825e312fc0SHenrik Bjoernlund 18835e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 18845e312fc0SHenrik Bjoernlund { 18855e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 18865e312fc0SHenrik Bjoernlund } 1887e77824d8SHenrik Bjoernlund 1888b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1889b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1890b6d0425bSHenrik Bjoernlund bool getlink) 1891b6d0425bSHenrik Bjoernlund { 1892b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1893b6d0425bSHenrik Bjoernlund } 1894b6d0425bSHenrik Bjoernlund 1895b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1896b6d0425bSHenrik Bjoernlund { 1897829e050eSIvan Vecera *count = 0; 1898b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1899b6d0425bSHenrik Bjoernlund } 1900b6d0425bSHenrik Bjoernlund 1901b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1902e77824d8SHenrik Bjoernlund { 1903829e050eSIvan Vecera *count = 0; 1904e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1905e77824d8SHenrik Bjoernlund } 190686a14b79SHenrik Bjoernlund #endif 190786a14b79SHenrik Bjoernlund 190811dc1f36SStephen Hemminger /* br_netlink.c */ 1909149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1910348662a1SJoe Perches int br_netlink_init(void); 1911348662a1SJoe Perches void br_netlink_fini(void); 191292899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 191392899063SNikolay Aleksandrov const struct net_bridge_port *port); 1914b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1915b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19162fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19172fd527b7SPetr Machata struct netlink_ext_ack *extack); 1918add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1919348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 192046c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1921f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1922f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1923f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1924f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1925f26b2965SNikolay Aleksandrov bool *changed, 1926f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 192711dc1f36SStephen Hemminger 19281da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19291da177e4SLinus Torvalds /* br_sysfs_if.c */ 193052cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1931348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1932348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19331da177e4SLinus Torvalds 19341da177e4SLinus Torvalds /* br_sysfs_br.c */ 1935348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1936348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvalds #else 19391da177e4SLinus Torvalds 19400cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19410cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19420cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19430cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19441da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19451da177e4SLinus Torvalds 19466bc506b4SIdo Schimmel /* br_switchdev.c */ 19476bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1948957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1949957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1950957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1951957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1952957e2235SVladimir Oltean bool tx_fwd_offload, 1953957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1954957e2235SVladimir Oltean 1955957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1956957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1957957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1958957e2235SVladimir Oltean 195947211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 196047211192STobias Waldekranz 1961c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1962c5381154SVladimir Oltean 196347211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 196447211192STobias Waldekranz struct sk_buff *skb); 196547211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 196647211192STobias Waldekranz struct sk_buff *skb); 19676bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19686bc506b4SIdo Schimmel struct sk_buff *skb); 19696bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19706bc506b4SIdo Schimmel const struct sk_buff *skb); 19713922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19723922285dSArkadi Sharshevsky unsigned long flags, 1973078bbb85SVladimir Oltean unsigned long mask, 1974078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19756eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19766eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1977ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 1978ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 1979ae039350SVladimir Oltean struct net_bridge_port_group *pg, 1980ae039350SVladimir Oltean int type); 1981169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1982169327d5SPetr Machata struct netlink_ext_ack *extack); 1983d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 198485826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1985f1c2eddfSIdo Schimmel 1986f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1987f1c2eddfSIdo Schimmel { 1988f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1989f1c2eddfSIdo Schimmel } 19906bc506b4SIdo Schimmel #else 1991957e2235SVladimir Oltean static inline int 1992957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 1993957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1994957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1995957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1996957e2235SVladimir Oltean bool tx_fwd_offload, 1997957e2235SVladimir Oltean struct netlink_ext_ack *extack) 1998957e2235SVladimir Oltean { 1999957e2235SVladimir Oltean return -EOPNOTSUPP; 2000957e2235SVladimir Oltean } 2001957e2235SVladimir Oltean 2002957e2235SVladimir Oltean static inline void 2003957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2004957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2005957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2006957e2235SVladimir Oltean { 2007957e2235SVladimir Oltean } 2008957e2235SVladimir Oltean 200947211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 201047211192STobias Waldekranz { 201147211192STobias Waldekranz return false; 201247211192STobias Waldekranz } 201347211192STobias Waldekranz 2014c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2015c5381154SVladimir Oltean { 2016c5381154SVladimir Oltean } 2017c5381154SVladimir Oltean 201847211192STobias Waldekranz static inline void 201947211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 202047211192STobias Waldekranz struct sk_buff *skb) 202147211192STobias Waldekranz { 202247211192STobias Waldekranz } 202347211192STobias Waldekranz 202447211192STobias Waldekranz static inline void 202547211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 202647211192STobias Waldekranz struct sk_buff *skb) 202747211192STobias Waldekranz { 202847211192STobias Waldekranz } 202947211192STobias Waldekranz 20306bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20316bc506b4SIdo Schimmel struct sk_buff *skb) 20326bc506b4SIdo Schimmel { 20336bc506b4SIdo Schimmel } 20346bc506b4SIdo Schimmel 20356bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20366bc506b4SIdo Schimmel const struct sk_buff *skb) 20376bc506b4SIdo Schimmel { 20386bc506b4SIdo Schimmel return true; 20396bc506b4SIdo Schimmel } 20403922285dSArkadi Sharshevsky 20413922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20423922285dSArkadi Sharshevsky unsigned long flags, 2043078bbb85SVladimir Oltean unsigned long mask, 2044078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20453922285dSArkadi Sharshevsky { 20463922285dSArkadi Sharshevsky return 0; 20473922285dSArkadi Sharshevsky } 20486b26b51bSArkadi Sharshevsky 2049d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2050169327d5SPetr Machata u16 vid, u16 flags, 2051169327d5SPetr Machata struct netlink_ext_ack *extack) 2052d66e4348SPetr Machata { 2053d66e4348SPetr Machata return -EOPNOTSUPP; 2054d66e4348SPetr Machata } 2055d66e4348SPetr Machata 2056d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2057d66e4348SPetr Machata { 2058d66e4348SPetr Machata return -EOPNOTSUPP; 2059d66e4348SPetr Machata } 2060d66e4348SPetr Machata 20616b26b51bSArkadi Sharshevsky static inline void 20626eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20636eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20646b26b51bSArkadi Sharshevsky { 20656b26b51bSArkadi Sharshevsky } 2066f1c2eddfSIdo Schimmel 2067ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2068ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2069ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2070ae039350SVladimir Oltean int type) 2071ae039350SVladimir Oltean { 2072ae039350SVladimir Oltean } 2073ae039350SVladimir Oltean 2074f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2075f1c2eddfSIdo Schimmel { 2076f1c2eddfSIdo Schimmel } 207785826610STobias Waldekranz 207885826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 207985826610STobias Waldekranz { 208085826610STobias Waldekranz } 208185826610STobias Waldekranz 20826bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20836bc506b4SIdo Schimmel 2084057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2085821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2086057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2087057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2088ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2089ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2090ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20911da177e4SLinus Torvalds #endif 2092