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; 3471da177e4SLinus Torvalds struct list_head list; 3481da177e4SLinus Torvalds 3491f90c7f3SNikolay Aleksandrov unsigned long flags; 3501f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3511f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3521f90c7f3SNikolay Aleksandrov #endif 3532756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3541f90c7f3SNikolay Aleksandrov 3551da177e4SLinus Torvalds /* STP */ 3561da177e4SLinus Torvalds u8 priority; 3571da177e4SLinus Torvalds u8 state; 3581da177e4SLinus Torvalds u16 port_no; 3591da177e4SLinus Torvalds unsigned char topology_change_ack; 3601da177e4SLinus Torvalds unsigned char config_pending; 3611da177e4SLinus Torvalds port_id port_id; 3621da177e4SLinus Torvalds port_id designated_port; 3631da177e4SLinus Torvalds bridge_id designated_root; 3641da177e4SLinus Torvalds bridge_id designated_bridge; 3651da177e4SLinus Torvalds u32 path_cost; 3661da177e4SLinus Torvalds u32 designated_cost; 3670c03150eSstephen hemminger unsigned long designated_age; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3701da177e4SLinus Torvalds struct timer_list hold_timer; 3711da177e4SLinus Torvalds struct timer_list message_age_timer; 3721da177e4SLinus Torvalds struct kobject kobj; 3731da177e4SLinus Torvalds struct rcu_head rcu; 3743982d3d2SFischer, Anna 3759632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3769632233eSNikolay Aleksandrov 377eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3789632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3799632233eSNikolay Aleksandrov 38089268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38189268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 382eb1d1641SHerbert Xu struct hlist_head mglist; 383eb1d1641SHerbert Xu #endif 384e0f43752SSimon Arlott 385e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 386e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 387e0f43752SSimon Arlott #endif 38891d2c34aSHerbert Xu 38991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 39091d2c34aSHerbert Xu struct netpoll *np; 39191d2c34aSHerbert Xu #endif 3926bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 393f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 394f7cf972fSTobias Waldekranz * hardware domain. 395f7cf972fSTobias Waldekranz */ 396f7cf972fSTobias Waldekranz int hwdom; 3972f5dc00fSVladimir Oltean int offload_count; 3982f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 3996bc506b4SIdo Schimmel #endif 4005af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4012756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 402de179966SVivien Didelot 403de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4041da177e4SLinus Torvalds }; 4051da177e4SLinus Torvalds 406705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 407705e0deaSTyler Hicks 408e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 409f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 410e028e4b8SVlad Yasevich 411b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 412b5ed54e9Sstephen hemminger { 413716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 414b5ed54e9Sstephen hemminger } 415b5ed54e9Sstephen hemminger 4161fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 417b5ed54e9Sstephen hemminger { 41835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 419ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 420b5ed54e9Sstephen hemminger } 421b5ed54e9Sstephen hemminger 4220baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4230baa10ffSArkadi Sharshevsky { 42435f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4250baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4260baa10ffSArkadi Sharshevsky } 4270baa10ffSArkadi Sharshevsky 428ae75767eSNikolay Aleksandrov enum net_bridge_opts { 429ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 430ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4318df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4328df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4338df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 434be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 43513cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 436675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 437675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 438675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 439c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4403341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4419163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44270e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4439c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 444f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 445ae75767eSNikolay Aleksandrov }; 446ae75767eSNikolay Aleksandrov 4471f90c7f3SNikolay Aleksandrov struct net_bridge { 4481da177e4SLinus Torvalds spinlock_t lock; 4491f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 45090c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4511da177e4SLinus Torvalds struct net_device *dev; 452ae75767eSNikolay Aleksandrov unsigned long options; 4531f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4541f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4551f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4561f90c7f3SNikolay Aleksandrov u16 default_pvid; 4571f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4581f90c7f3SNikolay Aleksandrov #endif 4591f90c7f3SNikolay Aleksandrov 460eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46190c628ddSHenrik Bjoernlund struct list_head port_list; 46234666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 463efb6de9bSBernhard Thaler union { 4644adf0af6SSimon Wunderlich struct rtable fake_rtable; 465efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 466efb6de9bSBernhard Thaler }; 4674adf0af6SSimon Wunderlich #endif 468515853ccSstephen hemminger u16 group_fwd_mask; 469f2808d22SToshiaki Makita u16 group_fwd_mask_required; 470515853ccSstephen hemminger 4711da177e4SLinus Torvalds /* STP */ 4721da177e4SLinus Torvalds bridge_id designated_root; 4731da177e4SLinus Torvalds bridge_id bridge_id; 4741f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4751f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4761f90c7f3SNikolay Aleksandrov u16 root_port; 4771da177e4SLinus Torvalds unsigned long max_age; 4781da177e4SLinus Torvalds unsigned long hello_time; 4791da177e4SLinus Torvalds unsigned long forward_delay; 4801da177e4SLinus Torvalds unsigned long ageing_time; 48134d8acd8SVivien Didelot unsigned long bridge_max_age; 4821da177e4SLinus Torvalds unsigned long bridge_hello_time; 4831da177e4SLinus Torvalds unsigned long bridge_forward_delay; 48434d8acd8SVivien Didelot unsigned long bridge_ageing_time; 48535750b0bSNikolay Aleksandrov u32 root_path_cost; 4861da177e4SLinus Torvalds 487fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4889cde0708SStephen Hemminger 4899cde0708SStephen Hemminger enum { 4909cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4919cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4929cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4939cde0708SStephen Hemminger } stp_enabled; 4949cde0708SStephen Hemminger 495d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 496d3d065c0SNikolay Aleksandrov 497eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 498d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 499eb1d1641SHerbert Xu 500eb1d1641SHerbert Xu u32 hash_max; 501eb1d1641SHerbert Xu 50235750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 503eb1d1641SHerbert Xu 50419e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 505085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 50619e3a9c9SNikolay Aleksandrov 507e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 50819e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 509eb1d1641SHerbert Xu 510e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 511eb1d1641SHerbert Xu #endif 512eb1d1641SHerbert Xu 5131da177e4SLinus Torvalds struct timer_list hello_timer; 5141da177e4SLinus Torvalds struct timer_list tcn_timer; 5151da177e4SLinus Torvalds struct timer_list topology_change_timer; 516f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 51743b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 518e028e4b8SVlad Yasevich u32 auto_cnt; 5196bc506b4SIdo Schimmel 5206bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 521f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 522f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 523f7cf972fSTobias Waldekranz */ 524f7cf972fSTobias Waldekranz int last_hwdom; 52585826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 52685826610STobias Waldekranz unsigned long busy_hwdoms; 5276bc506b4SIdo Schimmel #endif 528eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5294b8d7d4cSHoratiu Vultur 5304b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5310169b820SHoratiu Vultur struct hlist_head mrp_list; 5324b8d7d4cSHoratiu Vultur #endif 533f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 534f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 535f323aa54SHenrik Bjoernlund #endif 5361da177e4SLinus Torvalds }; 5371da177e4SLinus Torvalds 53868b7c895SHerbert Xu struct br_input_skb_cb { 53968b7c895SHerbert Xu struct net_device *brdev; 54093fdd47eSHerbert Xu 5413c171f49SPablo Neira Ayuso u16 frag_max_size; 54232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 543f12064d1SFlorian Westphal u8 igmp; 544f12064d1SFlorian Westphal u8 mrouters_only:1; 54532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 546f12064d1SFlorian Westphal u8 proxyarp_replied:1; 547f12064d1SFlorian Westphal u8 src_port_isolated:1; 54820adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 549f12064d1SFlorian Westphal u8 vlan_filtered:1; 55020adfa1aSVlad Yasevich #endif 551223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 552223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 553223fd0adSFlorian Westphal #endif 5546bc506b4SIdo Schimmel 5556bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 55647211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 55747211192STobias Waldekranz * hardware domain. 55847211192STobias Waldekranz */ 55947211192STobias Waldekranz u8 tx_fwd_offload:1; 560f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 561f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 562f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 563f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 564f7cf972fSTobias Waldekranz */ 565f7cf972fSTobias Waldekranz int src_hwdom; 56647211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 56747211192STobias Waldekranz * transmitted using the TX data plane offload. 56847211192STobias Waldekranz */ 56947211192STobias Waldekranz unsigned long fwd_hwdoms; 5706bc506b4SIdo Schimmel #endif 57168b7c895SHerbert Xu }; 57268b7c895SHerbert Xu 57368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 57468b7c895SHerbert Xu 57532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 57632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 58032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58128a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58228a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 58328a16c97Sstephen hemminger 58428a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 58528a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 58628a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 58728a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 58828a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 58928a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 59028a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59128a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59228a16c97Sstephen hemminger 59328a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 59428a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 59528a16c97Sstephen hemminger 5961da177e4SLinus Torvalds /* called under bridge lock */ 5971da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5981da177e4SLinus Torvalds { 5991da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6001da177e4SLinus Torvalds } 6011da177e4SLinus Torvalds 6022594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6032594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6042594e906SNikolay Aleksandrov { 6052594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6062594e906SNikolay Aleksandrov } 6072594e906SNikolay Aleksandrov 6082594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6092594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6102594e906SNikolay Aleksandrov { 6112594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6122594e906SNikolay Aleksandrov } 6132594e906SNikolay Aleksandrov 6146be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6152594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6162594e906SNikolay Aleksandrov { 6172594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6182594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6192594e906SNikolay Aleksandrov return true; 6202594e906SNikolay Aleksandrov else 6212594e906SNikolay Aleksandrov return false; 6222594e906SNikolay Aleksandrov } 6232594e906SNikolay Aleksandrov 6242594e906SNikolay Aleksandrov return true; 6252594e906SNikolay Aleksandrov } 6262594e906SNikolay Aleksandrov 6275d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6285d1fcaf3SNikolay Aleksandrov { 6295d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6305d1fcaf3SNikolay Aleksandrov } 6315d1fcaf3SNikolay Aleksandrov 6328f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6335a46facbSNikolay Aleksandrov { 6348f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6358f4cc940SNikolay Aleksandrov 6368f4cc940SNikolay Aleksandrov if (!ret) 6378f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6388f4cc940SNikolay Aleksandrov 6398f4cc940SNikolay Aleksandrov return ret; 6405a46facbSNikolay Aleksandrov } 6415a46facbSNikolay Aleksandrov 6425a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6438f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6448f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6455a46facbSNikolay Aleksandrov { 6465a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6478f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6488f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6495a46facbSNikolay Aleksandrov return false; 6508f4cc940SNikolay Aleksandrov } 6515a46facbSNikolay Aleksandrov 6525a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6535a46facbSNikolay Aleksandrov * - it has range start flag 6545a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6555a46facbSNikolay Aleksandrov */ 6565a46facbSNikolay Aleksandrov if (last) { 6578f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6588f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6595a46facbSNikolay Aleksandrov return false; 6608f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6618f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6628f4cc940SNikolay Aleksandrov return false; 6638f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6648f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6658f4cc940SNikolay Aleksandrov return false; 6668f4cc940SNikolay Aleksandrov } 6678f4cc940SNikolay Aleksandrov } 6688f4cc940SNikolay Aleksandrov 6698f4cc940SNikolay Aleksandrov /* check for required range flags */ 6708f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6718f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6728f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6735a46facbSNikolay Aleksandrov return false; 6745a46facbSNikolay Aleksandrov } 6755a46facbSNikolay Aleksandrov 6765a46facbSNikolay Aleksandrov return true; 6775a46facbSNikolay Aleksandrov } 6785a46facbSNikolay Aleksandrov 6792796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6802796d846SNikolay Aleksandrov { 6812796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6822796d846SNikolay Aleksandrov 6832796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6842796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 6852796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 6862796d846SNikolay Aleksandrov else 6872796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 6882796d846SNikolay Aleksandrov #endif 6892796d846SNikolay Aleksandrov 6902796d846SNikolay Aleksandrov return mcast_router; 6912796d846SNikolay Aleksandrov } 6922796d846SNikolay Aleksandrov 693f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 694f545923bSNikolay Aleksandrov { 695f545923bSNikolay Aleksandrov switch (cmd) { 696f545923bSNikolay Aleksandrov case RTM_SETLINK: 697f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 698f545923bSNikolay Aleksandrov case RTM_DELLINK: 699f545923bSNikolay Aleksandrov return RTM_DELVLAN; 700f545923bSNikolay Aleksandrov } 701f545923bSNikolay Aleksandrov 702f545923bSNikolay Aleksandrov return 0; 703f545923bSNikolay Aleksandrov } 704f545923bSNikolay Aleksandrov 705ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 706ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 707ae75767eSNikolay Aleksandrov { 708ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 709ae75767eSNikolay Aleksandrov } 710ae75767eSNikolay Aleksandrov 711a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 712a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 713a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 714a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 715a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 716a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 717a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 718a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 719ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 720ae75767eSNikolay Aleksandrov 7211da177e4SLinus Torvalds /* br_device.c */ 722348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 723348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 724348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 725cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 72691d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 72791d2c34aSHerbert Xu struct sk_buff *skb) 72891d2c34aSHerbert Xu { 729f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 73091d2c34aSHerbert Xu } 73191d2c34aSHerbert Xu 732a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 733348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 73491d2c34aSHerbert Xu #else 7359f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 73691d2c34aSHerbert Xu struct sk_buff *skb) 73791d2c34aSHerbert Xu { 73891d2c34aSHerbert Xu } 73991d2c34aSHerbert Xu 740a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 74191d2c34aSHerbert Xu { 74291d2c34aSHerbert Xu return 0; 74391d2c34aSHerbert Xu } 74491d2c34aSHerbert Xu 74591d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 74691d2c34aSHerbert Xu { 74791d2c34aSHerbert Xu } 748cfb478daSstephen hemminger #endif 7491da177e4SLinus Torvalds 7501da177e4SLinus Torvalds /* br_fdb.c */ 751348662a1SJoe Perches int br_fdb_init(void); 752348662a1SJoe Perches void br_fdb_fini(void); 753eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 754eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 755348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 756424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 757424bb9c9SToshiaki Makita const struct net_bridge_port *p, 758424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 759348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 760348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 761f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 762348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7631ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 764bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 765bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 766bfd0aeacSNikolay Aleksandrov __u16 vid); 767348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 768348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 769348662a1SJoe Perches unsigned long off); 770f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 771348662a1SJoe Perches const unsigned char *addr, u16 vid); 772348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 773be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 77477162022SJohn Fastabend 775348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 776f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 777348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 77887b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 77987b0984eSPetr Machata struct netlink_ext_ack *extack); 780348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 781d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 78247674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 78347674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 78447674562SRoopa Prabhu struct netlink_ext_ack *extack); 7858db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7868db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7873aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 78845a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 789161d82deSPetr Machata bool swdev_notify); 7903aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 791161d82deSPetr Machata const unsigned char *addr, u16 vid, 792161d82deSPetr Machata bool swdev_notify); 7939fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 794e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7951da177e4SLinus Torvalds 7961da177e4SLinus Torvalds /* br_forward.c */ 7978addd5e7SNikolay Aleksandrov enum br_pkt_type { 7988addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7998addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8008addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8018addd5e7SNikolay Aleksandrov }; 8020c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 803b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 80437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8050c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 80637b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8078addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8081da177e4SLinus Torvalds 8097d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8107d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8117d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8127d850abdSNikolay Aleksandrov { 8137d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8147d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8157d850abdSNikolay Aleksandrov } 8167d850abdSNikolay Aleksandrov 8171da177e4SLinus Torvalds /* br_if.c */ 818faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 819348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 820348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 821ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 822ca752be0SDavid Ahern struct netlink_ext_ack *extack); 823348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 824804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 825348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 826c8f44affSMichał Mirosław netdev_features_t features); 827e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8282796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8292756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvalds /* br_input.c */ 8320c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8339eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8341da177e4SLinus Torvalds 83590c628ddSHenrik Bjoernlund struct br_frame_type { 83690c628ddSHenrik Bjoernlund __be16 type; 83790c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 83890c628ddSHenrik Bjoernlund struct sk_buff *skb); 83990c628ddSHenrik Bjoernlund struct hlist_node list; 84090c628ddSHenrik Bjoernlund }; 84190c628ddSHenrik Bjoernlund 84290c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 84390c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 84490c628ddSHenrik Bjoernlund 845859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 846859828c0SJiri Pirko { 8479eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 848859828c0SJiri Pirko } 849859828c0SJiri Pirko 8504d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8514d4fd361SPetr Machata { 8529eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8534d4fd361SPetr Machata } 8544d4fd361SPetr Machata 855859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 856859828c0SJiri Pirko { 857859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 858859828c0SJiri Pirko } 859859828c0SJiri Pirko 8604d4fd361SPetr Machata static inline struct net_bridge_port * 8614d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8624d4fd361SPetr Machata { 8634d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8644d4fd361SPetr Machata } 8654d4fd361SPetr Machata 8661da177e4SLinus Torvalds /* br_ioctl.c */ 867561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 868561d8352SArnd Bergmann void __user *data, int cmd); 869ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 870ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8711da177e4SLinus Torvalds 872eb1d1641SHerbert Xu /* br_multicast.c */ 873eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 874f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 875f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 876f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 877fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 878adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 879eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8801080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 881348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 882348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 883348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 884348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 885851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 886851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 887348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 888348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 889e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 890adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 891adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 892adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 893a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 894a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 895a53581d5SNikolay Aleksandrov unsigned long val); 8962796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 897ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 898ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 89962938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 900348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 901df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 902df271cd6SNikolay Aleksandrov unsigned long val); 903aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 904df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 905df271cd6SNikolay Aleksandrov unsigned long val); 906aa2ae3e7SNikolay Aleksandrov #endif 907348662a1SJoe Perches struct net_bridge_mdb_entry * 90819e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 909348662a1SJoe Perches struct net_bridge_mdb_entry * 91019e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 911348662a1SJoe Perches struct net_bridge_port_group * 912348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 913762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9148b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9158f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 91619e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 91719e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 91881f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 91981f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9201e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 921949f1e39SSatish Ashok int type); 922681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 923681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 924681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 925adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 926adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 927a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9281080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 929b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9301080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9311080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9321080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 93319e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 93419e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 93558d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 93658d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9371bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9388266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9398266a049SNikolay Aleksandrov u8 filter_mode); 9408266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9418266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 942474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 943474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 944d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 945d5a10222SNikolay Aleksandrov bool fastleave); 946613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 947613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 948613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 949613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 950613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 951613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 952613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 953613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9547b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 955f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 956f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9579dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 95885b35269SSridhar Samudrala 9594e51bf44SVladimir Oltean int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, 9604e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 9614e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 962dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 963dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 964c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 965c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 966c7fa1d9bSNikolay Aleksandrov int nest_attr); 967c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 96805d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 9694e51bf44SVladimir Oltean 970955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 971955062b0SNikolay Aleksandrov { 972955062b0SNikolay Aleksandrov return group->proto == 0; 973955062b0SNikolay Aleksandrov } 974955062b0SNikolay Aleksandrov 975cfd56754SCong Wang #define mlock_dereference(X, br) \ 976cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 977cfd56754SCong Wang 97844ebb081SLinus Lüssing static inline struct hlist_node * 979adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 980adc47037SNikolay Aleksandrov struct sk_buff *skb) 981d3d065c0SNikolay Aleksandrov { 982a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 983a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 984d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 985a3c02e76SLinus Lüssing #endif 986d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 98744ebb081SLinus Lüssing } 98844ebb081SLinus Lüssing 98944ebb081SLinus Lüssing static inline struct net_bridge_port * 990d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 991d3d065c0SNikolay Aleksandrov { 9929632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9939632233eSNikolay Aleksandrov 994a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 995a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9969632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9979632233eSNikolay Aleksandrov ip6_rlist); 9989632233eSNikolay Aleksandrov else 999a3c02e76SLinus Lüssing #endif 10009632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10019632233eSNikolay Aleksandrov ip4_rlist); 10029632233eSNikolay Aleksandrov 10039632233eSNikolay Aleksandrov if (mctx) 10049632233eSNikolay Aleksandrov return mctx->port; 10059632233eSNikolay Aleksandrov else 10069632233eSNikolay Aleksandrov return NULL; 100744ebb081SLinus Lüssing } 100844ebb081SLinus Lüssing 1009d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 101085b35269SSridhar Samudrala { 1011d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10121a3065a2SLinus Lüssing } 10131a3065a2SLinus Lüssing 1014d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10151a3065a2SLinus Lüssing { 10161a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1017d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10181a3065a2SLinus Lüssing #else 10191a3065a2SLinus Lüssing return false; 10201a3065a2SLinus Lüssing #endif 10211a3065a2SLinus Lüssing } 10221a3065a2SLinus Lüssing 10231a3065a2SLinus Lüssing static inline bool 1024adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10251a3065a2SLinus Lüssing { 1026d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10271a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10281a3065a2SLinus Lüssing return true; 10291a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10301a3065a2SLinus Lüssing if (skb) { 10311a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1032d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10331a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1034d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10351a3065a2SLinus Lüssing } else { 1036d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1037d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10381a3065a2SLinus Lüssing } 10391a3065a2SLinus Lüssing fallthrough; 10401a3065a2SLinus Lüssing default: 10411a3065a2SLinus Lüssing return false; 10421a3065a2SLinus Lüssing } 104385b35269SSridhar Samudrala } 1044b00589afSLinus Lüssing 1045cc0fdd80SLinus Lüssing static inline bool 1046adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10470888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10480888d5f3Sdaniel const bool is_ipv6) 1049b00589afSLinus Lüssing { 10500888d5f3Sdaniel bool own_querier_enabled; 10510888d5f3Sdaniel 105262938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1053adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10540888d5f3Sdaniel own_querier_enabled = false; 10550888d5f3Sdaniel else 10560888d5f3Sdaniel own_querier_enabled = true; 10570888d5f3Sdaniel } else { 10580888d5f3Sdaniel own_querier_enabled = false; 10590888d5f3Sdaniel } 10600888d5f3Sdaniel 1061cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10620888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1063cc0fdd80SLinus Lüssing } 1064cc0fdd80SLinus Lüssing 1065adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1066955062b0SNikolay Aleksandrov struct ethhdr *eth, 1067955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1068cc0fdd80SLinus Lüssing { 1069cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1070cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1071adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1072adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1073cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1074cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1075adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1076adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1077cc0fdd80SLinus Lüssing #endif 1078cc0fdd80SLinus Lüssing default: 1079955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1080cc0fdd80SLinus Lüssing } 1081b00589afSLinus Lüssing } 10821080ab95SNikolay Aleksandrov 108388d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 108488d4bd18SNikolay Aleksandrov { 108588d4bd18SNikolay Aleksandrov switch (ip->proto) { 108688d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 108788d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 108888d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 108988d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 109088d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 109188d4bd18SNikolay Aleksandrov #endif 109288d4bd18SNikolay Aleksandrov default: 109388d4bd18SNikolay Aleksandrov return false; 109488d4bd18SNikolay Aleksandrov } 109588d4bd18SNikolay Aleksandrov } 109688d4bd18SNikolay Aleksandrov 1097adc47037SNikolay Aleksandrov static inline bool 1098adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10998266a049SNikolay Aleksandrov __be16 proto) 11008266a049SNikolay Aleksandrov { 11018266a049SNikolay Aleksandrov switch (proto) { 11028266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1103adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11048266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11058266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1106adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11078266a049SNikolay Aleksandrov #endif 11088266a049SNikolay Aleksandrov default: 11098266a049SNikolay Aleksandrov return false; 11108266a049SNikolay Aleksandrov } 11118266a049SNikolay Aleksandrov } 11128266a049SNikolay Aleksandrov 11131080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11141080ab95SNikolay Aleksandrov { 11151080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11161080ab95SNikolay Aleksandrov } 111742c11ccfSNikolay Aleksandrov 1118adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 111942c11ccfSNikolay Aleksandrov { 1120adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1121adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 112242c11ccfSNikolay Aleksandrov } 11230436862eSNikolay Aleksandrov 1124adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11250436862eSNikolay Aleksandrov { 1126fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11270436862eSNikolay Aleksandrov } 11287b54aaafSNikolay Aleksandrov 11297b54aaafSNikolay Aleksandrov static inline bool 11307b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11317b54aaafSNikolay Aleksandrov { 11327b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11337b54aaafSNikolay Aleksandrov } 11347b54aaafSNikolay Aleksandrov 11357b54aaafSNikolay Aleksandrov static inline bool 11367b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11377b54aaafSNikolay Aleksandrov { 11387b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11397b54aaafSNikolay Aleksandrov } 11407b54aaafSNikolay Aleksandrov 11417b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11427b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11437b54aaafSNikolay Aleksandrov { 11447b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11457b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11467b54aaafSNikolay Aleksandrov else 11477b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11487b54aaafSNikolay Aleksandrov } 11497b54aaafSNikolay Aleksandrov 11507b54aaafSNikolay Aleksandrov static inline bool 11517b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11527b54aaafSNikolay Aleksandrov { 1153f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1154f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11557b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11567b54aaafSNikolay Aleksandrov } 11577b54aaafSNikolay Aleksandrov 11587b54aaafSNikolay Aleksandrov static inline bool 11597b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11607b54aaafSNikolay Aleksandrov { 11617b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11627b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11637b54aaafSNikolay Aleksandrov } 11647b54aaafSNikolay Aleksandrov 11657b54aaafSNikolay Aleksandrov static inline bool 11667b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11677b54aaafSNikolay Aleksandrov { 11687b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11697b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11707b54aaafSNikolay Aleksandrov } 11714cdd0d10SNikolay Aleksandrov 11724cdd0d10SNikolay Aleksandrov static inline bool 11734cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11744cdd0d10SNikolay Aleksandrov { 11754cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11764cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11774cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11784cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11794cdd0d10SNikolay Aleksandrov } 11804cdd0d10SNikolay Aleksandrov 11814cdd0d10SNikolay Aleksandrov static inline bool 11824cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11834cdd0d10SNikolay Aleksandrov { 11844cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11854cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11864cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11874cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11884cdd0d10SNikolay Aleksandrov } 1189df271cd6SNikolay Aleksandrov 1190df271cd6SNikolay Aleksandrov static inline bool 1191dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1192dc002875SNikolay Aleksandrov { 1193dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1194dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1195dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1196dc002875SNikolay Aleksandrov #else 1197dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1198dc002875SNikolay Aleksandrov #endif 1199dc002875SNikolay Aleksandrov } 1200dc002875SNikolay Aleksandrov 1201dc002875SNikolay Aleksandrov static inline bool 1202df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1203df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1204df271cd6SNikolay Aleksandrov { 1205df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1206df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1207931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1208931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 120950725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 121050725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 121177f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 121277f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12132da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12142da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1215cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1216cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1217d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1218d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 121942521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 122042521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1221941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1222941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 122362938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1224a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1225dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1226dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1227df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1228df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1229df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1230df271cd6SNikolay Aleksandrov #endif 1231df271cd6SNikolay Aleksandrov true; 1232df271cd6SNikolay Aleksandrov } 1233cb486ce9SNikolay Aleksandrov 1234cb486ce9SNikolay Aleksandrov static inline bool 1235cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1236cb486ce9SNikolay Aleksandrov { 1237cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1238cb486ce9SNikolay Aleksandrov 1239cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1240cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1241cb486ce9SNikolay Aleksandrov 1242cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1243cb486ce9SNikolay Aleksandrov } 1244eb1d1641SHerbert Xu #else 1245f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1246f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1247f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 124806499098SVlad Yasevich struct sk_buff *skb, 124906499098SVlad Yasevich u16 vid) 1250eb1d1641SHerbert Xu { 1251eb1d1641SHerbert Xu return 0; 1252eb1d1641SHerbert Xu } 1253eb1d1641SHerbert Xu 1254adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1255fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1256eb1d1641SHerbert Xu { 1257eb1d1641SHerbert Xu return NULL; 1258eb1d1641SHerbert Xu } 1259eb1d1641SHerbert Xu 12601080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1261eb1d1641SHerbert Xu { 12621080ab95SNikolay Aleksandrov return 0; 1263eb1d1641SHerbert Xu } 1264eb1d1641SHerbert Xu 1265eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1266eb1d1641SHerbert Xu { 1267eb1d1641SHerbert Xu } 1268eb1d1641SHerbert Xu 1269eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1270eb1d1641SHerbert Xu { 1271eb1d1641SHerbert Xu } 1272eb1d1641SHerbert Xu 1273eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1274eb1d1641SHerbert Xu { 1275eb1d1641SHerbert Xu } 1276eb1d1641SHerbert Xu 1277eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1278eb1d1641SHerbert Xu { 1279eb1d1641SHerbert Xu } 1280eb1d1641SHerbert Xu 1281851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1282851d0a73SJoseph Huang { 1283851d0a73SJoseph Huang } 1284851d0a73SJoseph Huang 1285851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1286851d0a73SJoseph Huang { 1287851d0a73SJoseph Huang } 1288851d0a73SJoseph Huang 1289eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1290eb1d1641SHerbert Xu { 1291eb1d1641SHerbert Xu } 1292eb1d1641SHerbert Xu 1293eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1294eb1d1641SHerbert Xu { 1295eb1d1641SHerbert Xu } 12965cb5e947SHerbert Xu 1297a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1298a7ce45a7SNikolay Aleksandrov { 1299a7ce45a7SNikolay Aleksandrov } 1300a7ce45a7SNikolay Aleksandrov 130137b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 130237b090e6SNikolay Aleksandrov struct sk_buff *skb, 1303adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 130437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13055cb5e947SHerbert Xu { 13065cb5e947SHerbert Xu } 13075cb5e947SHerbert Xu 1308adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1309bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1310eb1d1641SHerbert Xu { 131103aaa9e2SGustavo A. R. Silva return false; 1312eb1d1641SHerbert Xu } 131337b090e6SNikolay Aleksandrov 1314adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1315c43fd36fSVladimir Oltean struct ethhdr *eth, 1316c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1317b00589afSLinus Lüssing { 1318b00589afSLinus Lüssing return false; 1319b00589afSLinus Lüssing } 132037b090e6SNikolay Aleksandrov 1321fdb184d1SRami Rosen static inline void br_mdb_init(void) 1322fdb184d1SRami Rosen { 1323fdb184d1SRami Rosen } 132437b090e6SNikolay Aleksandrov 1325fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1326fdb184d1SRami Rosen { 1327fdb184d1SRami Rosen } 13281080ab95SNikolay Aleksandrov 132919e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 133019e3a9c9SNikolay Aleksandrov { 133119e3a9c9SNikolay Aleksandrov return 0; 133219e3a9c9SNikolay Aleksandrov } 133319e3a9c9SNikolay Aleksandrov 133419e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 133519e3a9c9SNikolay Aleksandrov { 133619e3a9c9SNikolay Aleksandrov } 133719e3a9c9SNikolay Aleksandrov 13381080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13391080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1340a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1341a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13421080ab95SNikolay Aleksandrov { 13431080ab95SNikolay Aleksandrov } 13441080ab95SNikolay Aleksandrov 13451080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13461080ab95SNikolay Aleksandrov { 13471080ab95SNikolay Aleksandrov return 0; 13481080ab95SNikolay Aleksandrov } 13491080ab95SNikolay Aleksandrov 1350b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1351b6fe0440SIdo Schimmel { 1352b6fe0440SIdo Schimmel } 1353b6fe0440SIdo Schimmel 13541080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13551080ab95SNikolay Aleksandrov { 13561080ab95SNikolay Aleksandrov return 0; 13571080ab95SNikolay Aleksandrov } 1358613d61dbSNikolay Aleksandrov 1359613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1360613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1361613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1362613d61dbSNikolay Aleksandrov { 1363613d61dbSNikolay Aleksandrov } 1364613d61dbSNikolay Aleksandrov 1365613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1366613d61dbSNikolay Aleksandrov { 1367613d61dbSNikolay Aleksandrov } 1368613d61dbSNikolay Aleksandrov 1369613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1370613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1371613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1372613d61dbSNikolay Aleksandrov { 1373613d61dbSNikolay Aleksandrov } 1374613d61dbSNikolay Aleksandrov 1375613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1376613d61dbSNikolay Aleksandrov { 1377613d61dbSNikolay Aleksandrov } 13787b54aaafSNikolay Aleksandrov 13797b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13807b54aaafSNikolay Aleksandrov bool on) 13817b54aaafSNikolay Aleksandrov { 13827b54aaafSNikolay Aleksandrov } 1383f4b7002aSNikolay Aleksandrov 1384f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1385f4b7002aSNikolay Aleksandrov bool on, 1386f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1387f4b7002aSNikolay Aleksandrov { 1388f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1389f4b7002aSNikolay Aleksandrov } 13909dee572cSNikolay Aleksandrov 13919dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13929dee572cSNikolay Aleksandrov bool on) 13939dee572cSNikolay Aleksandrov { 13949dee572cSNikolay Aleksandrov return false; 13959dee572cSNikolay Aleksandrov } 13964e51bf44SVladimir Oltean 13974e51bf44SVladimir Oltean static inline int br_mdb_replay(struct net_device *br_dev, 13984e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 13994e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 14004e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 14014e51bf44SVladimir Oltean { 14024e51bf44SVladimir Oltean return -EOPNOTSUPP; 14034e51bf44SVladimir Oltean } 1404df271cd6SNikolay Aleksandrov 1405df271cd6SNikolay Aleksandrov static inline bool 1406df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1407df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1408df271cd6SNikolay Aleksandrov { 1409df271cd6SNikolay Aleksandrov return true; 1410df271cd6SNikolay Aleksandrov } 141185b35269SSridhar Samudrala #endif 1412eb1d1641SHerbert Xu 1413243a2e63SVlad Yasevich /* br_vlan.c */ 1414243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 141577751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 141677751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1417f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1418f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 141977751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 142085f46c6bSVlad Yasevich const struct sk_buff *skb); 1421e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1422348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 142311538d03SRoopa Prabhu const struct net_bridge_port *port, 14242594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 142578851988SVlad Yasevich struct sk_buff *skb); 1426f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1427169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1428348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1429348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14302594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1431204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14329e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14339e781401SVladimir Oltean struct netlink_ext_ack *extack); 1434dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1435dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14369e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14379e781401SVladimir Oltean struct netlink_ext_ack *extack); 14386dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14399163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14405be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14419e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14429e781401SVladimir Oltean struct netlink_ext_ack *extack); 1443169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1444169327d5SPetr Machata struct netlink_ext_ack *extack); 1445f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1446169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1447348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1448348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1449169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14502594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1451a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1452281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14539c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1454091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14559c0ec2e7SMike Manning void *ptr); 14568dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14578dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1458cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1459cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1460cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1461cf5bddb9SNikolay Aleksandrov int cmd); 14624e51bf44SVladimir Oltean int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, 14634e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 14644e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 1465a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1466a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1467a37b85c9SVlad Yasevich 1468bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1469bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1470bcf2766bSFelix Fietkau struct net_device_path *path); 1471bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1472bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1473bcf2766bSFelix Fietkau struct net_device_path *path); 1474bcf2766bSFelix Fietkau 14752594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1476a37b85c9SVlad Yasevich const struct net_bridge *br) 1477a37b85c9SVlad Yasevich { 1478907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1479a37b85c9SVlad Yasevich } 1480a37b85c9SVlad Yasevich 14812594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1482a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1483a37b85c9SVlad Yasevich { 1484907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1485907b1e6eSNikolay Aleksandrov } 1486907b1e6eSNikolay Aleksandrov 1487907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1488907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1489907b1e6eSNikolay Aleksandrov { 1490907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1491907b1e6eSNikolay Aleksandrov } 1492907b1e6eSNikolay Aleksandrov 1493907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1494907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1495907b1e6eSNikolay Aleksandrov { 1496907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1497a37b85c9SVlad Yasevich } 1498a37b85c9SVlad Yasevich 1499a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1500a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1501a37b85c9SVlad Yasevich */ 1502a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1503a37b85c9SVlad Yasevich { 1504a37b85c9SVlad Yasevich int err = 0; 1505a37b85c9SVlad Yasevich 15062594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15075978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15082594e906SNikolay Aleksandrov } else { 1509a37b85c9SVlad Yasevich *vid = 0; 1510a37b85c9SVlad Yasevich err = -EINVAL; 1511a37b85c9SVlad Yasevich } 1512a37b85c9SVlad Yasevich 1513a37b85c9SVlad Yasevich return err; 1514a37b85c9SVlad Yasevich } 151578851988SVlad Yasevich 151677751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 151778851988SVlad Yasevich { 151877751ee8SNikolay Aleksandrov if (!vg) 15195be5a2dfSVlad Yasevich return 0; 15205be5a2dfSVlad Yasevich 152178851988SVlad Yasevich smp_rmb(); 152277751ee8SNikolay Aleksandrov return vg->pvid; 152378851988SVlad Yasevich } 152478851988SVlad Yasevich 15258dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15268dcea187SNikolay Aleksandrov { 15278dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15288dcea187SNikolay Aleksandrov } 1529243a2e63SVlad Yasevich #else 153077751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 153177751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15322594e906SNikolay Aleksandrov struct sk_buff *skb, 1533f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1534f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1535f4b7002aSNikolay Aleksandrov 15362594e906SNikolay Aleksandrov { 1537f4b7002aSNikolay Aleksandrov *vlan = NULL; 15382594e906SNikolay Aleksandrov return true; 15392594e906SNikolay Aleksandrov } 15402594e906SNikolay Aleksandrov 15412594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 154285f46c6bSVlad Yasevich const struct sk_buff *skb) 154385f46c6bSVlad Yasevich { 154485f46c6bSVlad Yasevich return true; 154585f46c6bSVlad Yasevich } 154685f46c6bSVlad Yasevich 1547e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1548e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1549e0d7968aSToshiaki Makita { 1550e0d7968aSToshiaki Makita return true; 1551e0d7968aSToshiaki Makita } 1552e0d7968aSToshiaki Makita 155378851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 155411538d03SRoopa Prabhu const struct net_bridge_port *port, 15552594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 155678851988SVlad Yasevich struct sk_buff *skb) 155778851988SVlad Yasevich { 155878851988SVlad Yasevich return skb; 155978851988SVlad Yasevich } 156078851988SVlad Yasevich 1561f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1562169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1563243a2e63SVlad Yasevich { 1564f418af63SNikolay Aleksandrov *changed = false; 1565243a2e63SVlad Yasevich return -EOPNOTSUPP; 1566243a2e63SVlad Yasevich } 1567243a2e63SVlad Yasevich 1568243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1569243a2e63SVlad Yasevich { 1570243a2e63SVlad Yasevich return -EOPNOTSUPP; 1571243a2e63SVlad Yasevich } 1572243a2e63SVlad Yasevich 1573243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1574243a2e63SVlad Yasevich { 1575243a2e63SVlad Yasevich } 1576243a2e63SVlad Yasevich 1577204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1578204177f3SToshiaki Makita { 1579204177f3SToshiaki Makita } 1580204177f3SToshiaki Makita 15815be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15828580e211SToshiaki Makita { 15835be5a2dfSVlad Yasevich return 0; 15848580e211SToshiaki Makita } 15858580e211SToshiaki Makita 1586f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1587169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1588243a2e63SVlad Yasevich { 1589f418af63SNikolay Aleksandrov *changed = false; 1590243a2e63SVlad Yasevich return -EOPNOTSUPP; 1591243a2e63SVlad Yasevich } 1592243a2e63SVlad Yasevich 1593243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1594243a2e63SVlad Yasevich { 1595243a2e63SVlad Yasevich return -EOPNOTSUPP; 1596243a2e63SVlad Yasevich } 1597243a2e63SVlad Yasevich 1598243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1599243a2e63SVlad Yasevich { 1600243a2e63SVlad Yasevich } 1601243a2e63SVlad Yasevich 16022594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16032594e906SNikolay Aleksandrov u16 vid) 1604a37b85c9SVlad Yasevich { 1605a37b85c9SVlad Yasevich return NULL; 1606a37b85c9SVlad Yasevich } 1607bc9a25d2SVlad Yasevich 1608169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1609169327d5SPetr Machata struct netlink_ext_ack *extack) 16105be5a2dfSVlad Yasevich { 16115be5a2dfSVlad Yasevich return 0; 16125be5a2dfSVlad Yasevich } 16135be5a2dfSVlad Yasevich 161478851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1615a37b85c9SVlad Yasevich { 1616a37b85c9SVlad Yasevich return 0; 1617a37b85c9SVlad Yasevich } 16182594e906SNikolay Aleksandrov 161977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 162078851988SVlad Yasevich { 16213df6bf45SVlad Yasevich return 0; 162278851988SVlad Yasevich } 16232796d0c6SVlad Yasevich 16247a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1625c97f47e3SVladimir Oltean unsigned long val, 1626c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1627a7854037SNikolay Aleksandrov { 1628a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1629a7854037SNikolay Aleksandrov } 16302594e906SNikolay Aleksandrov 16312594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16322594e906SNikolay Aleksandrov u32 filter_mask) 16332594e906SNikolay Aleksandrov { 16342594e906SNikolay Aleksandrov return 0; 16352594e906SNikolay Aleksandrov } 16362594e906SNikolay Aleksandrov 1637bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1638bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1639bcf2766bSFelix Fietkau struct net_device_path *path) 1640bcf2766bSFelix Fietkau { 1641bcf2766bSFelix Fietkau } 1642bcf2766bSFelix Fietkau 1643bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1644bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1645bcf2766bSFelix Fietkau struct net_device_path *path) 1646bcf2766bSFelix Fietkau { 1647bcf2766bSFelix Fietkau return 0; 1648bcf2766bSFelix Fietkau } 1649bcf2766bSFelix Fietkau 16502594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16512594e906SNikolay Aleksandrov const struct net_bridge *br) 16522594e906SNikolay Aleksandrov { 16532594e906SNikolay Aleksandrov return NULL; 16542594e906SNikolay Aleksandrov } 16552594e906SNikolay Aleksandrov 16562594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16572594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16582594e906SNikolay Aleksandrov { 16592594e906SNikolay Aleksandrov return NULL; 16602594e906SNikolay Aleksandrov } 1661907b1e6eSNikolay Aleksandrov 1662907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1663907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1664907b1e6eSNikolay Aleksandrov { 1665907b1e6eSNikolay Aleksandrov return NULL; 1666907b1e6eSNikolay Aleksandrov } 1667907b1e6eSNikolay Aleksandrov 1668907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1669907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1670907b1e6eSNikolay Aleksandrov { 1671907b1e6eSNikolay Aleksandrov return NULL; 1672907b1e6eSNikolay Aleksandrov } 1673a60c0903SNikolay Aleksandrov 1674a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1675281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1676a60c0903SNikolay Aleksandrov { 1677a60c0903SNikolay Aleksandrov } 16789c0ec2e7SMike Manning 16799c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16809c0ec2e7SMike Manning unsigned long event) 16819c0ec2e7SMike Manning { 16829c0ec2e7SMike Manning } 16839c0ec2e7SMike Manning 1684091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16859c0ec2e7SMike Manning unsigned long event, void *ptr) 16869c0ec2e7SMike Manning { 1687091adf9bSNikolay Aleksandrov return 0; 16889c0ec2e7SMike Manning } 16898dcea187SNikolay Aleksandrov 16908dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16918dcea187SNikolay Aleksandrov { 16928dcea187SNikolay Aleksandrov } 16938dcea187SNikolay Aleksandrov 16948dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16958dcea187SNikolay Aleksandrov { 16968dcea187SNikolay Aleksandrov } 1697cf5bddb9SNikolay Aleksandrov 1698cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1699cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1700cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1701cf5bddb9SNikolay Aleksandrov int cmd) 1702cf5bddb9SNikolay Aleksandrov { 1703cf5bddb9SNikolay Aleksandrov } 1704528ae84aSNikolay Aleksandrov 1705528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1706528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1707528ae84aSNikolay Aleksandrov { 1708528ae84aSNikolay Aleksandrov return true; 1709528ae84aSNikolay Aleksandrov } 17104e51bf44SVladimir Oltean 1711*c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1712*c5f6e5ebSVladimir Oltean { 1713*c5f6e5ebSVladimir Oltean return 0; 1714*c5f6e5ebSVladimir Oltean } 1715*c5f6e5ebSVladimir Oltean 17164e51bf44SVladimir Oltean static inline int br_vlan_replay(struct net_device *br_dev, 17174e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 17184e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 17194e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 17204e51bf44SVladimir Oltean { 17214e51bf44SVladimir Oltean return -EOPNOTSUPP; 17224e51bf44SVladimir Oltean } 1723243a2e63SVlad Yasevich #endif 1724243a2e63SVlad Yasevich 17257a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17267a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 172799f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 172899f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17297a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17307a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1731a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1732a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1733a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1734a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1735a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1736a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 173747ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 173847ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 173947ecd2dbSNikolay Aleksandrov int cmd, 174047ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1741743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1742743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1743743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1744743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1745a580c76dSNikolay Aleksandrov 1746a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1747a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1748a580c76dSNikolay Aleksandrov { 1749a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1750a580c76dSNikolay Aleksandrov } 1751a580c76dSNikolay Aleksandrov 1752a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1753a580c76dSNikolay Aleksandrov { 1754a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1755a580c76dSNikolay Aleksandrov } 1756a580c76dSNikolay Aleksandrov 1757a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1758a580c76dSNikolay Aleksandrov { 1759a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1760a580c76dSNikolay Aleksandrov } 1761a580c76dSNikolay Aleksandrov 1762a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1763a580c76dSNikolay Aleksandrov u8 state) 1764a580c76dSNikolay Aleksandrov { 1765a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1766a580c76dSNikolay Aleksandrov } 1767a580c76dSNikolay Aleksandrov 1768a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1769a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1770a580c76dSNikolay Aleksandrov { 1771a580c76dSNikolay Aleksandrov switch (state) { 1772a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1773a580c76dSNikolay Aleksandrov return learn_allow; 1774a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1775a580c76dSNikolay Aleksandrov return true; 1776a580c76dSNikolay Aleksandrov default: 1777a580c76dSNikolay Aleksandrov return false; 1778a580c76dSNikolay Aleksandrov } 1779a580c76dSNikolay Aleksandrov } 17807a53e718SNikolay Aleksandrov #endif 17817a53e718SNikolay Aleksandrov 17821a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17831a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17841a4ba64dSPablo Neira Ayuso }; 17851a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17861a4ba64dSPablo Neira Ayuso 17871da177e4SLinus Torvalds /* br_netfilter.c */ 178834666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 178934666d46SPablo Neira Ayuso int br_nf_core_init(void); 179034666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1791348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1792c0909713SStephen Hemminger #else 179334666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 179434666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17954adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1796c0909713SStephen Hemminger #endif 17971da177e4SLinus Torvalds 17981da177e4SLinus Torvalds /* br_stp.c */ 1799775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1800348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1801348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1802348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18031da177e4SLinus Torvalds 1804348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1805348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1806348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1807348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 180882dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18099e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 181014f98f25Sstephen hemminger 181114f98f25Sstephen hemminger 18121da177e4SLinus Torvalds /* br_stp_if.c */ 1813348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1814348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1815419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1816419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1817348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1818348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1819348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1820348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1821348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1822348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1823348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1824348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18251da177e4SLinus Torvalds 18261da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18277c85fbf0SPatrick McHardy struct stp_proto; 1828348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18297c85fbf0SPatrick McHardy struct net_device *dev); 18301da177e4SLinus Torvalds 18311da177e4SLinus Torvalds /* br_stp_timer.c */ 1832348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1833348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1834348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18351da177e4SLinus Torvalds 18361da177e4SLinus Torvalds /* br.c */ 1837e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1838da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1839da678292SMichał Mirosław #endif 18401da177e4SLinus Torvalds 184165369933SHoratiu Vultur /* br_mrp.c */ 184265369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 184365369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 184465369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 184565369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 184665369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1847df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 184865369933SHoratiu Vultur #else 184965369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 185065369933SHoratiu Vultur struct nlattr *attr, int cmd, 185165369933SHoratiu Vultur struct netlink_ext_ack *extack) 185265369933SHoratiu Vultur { 185365369933SHoratiu Vultur return -EOPNOTSUPP; 185465369933SHoratiu Vultur } 185565369933SHoratiu Vultur 185665369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 185765369933SHoratiu Vultur { 18588741e184SJason Yan return false; 185965369933SHoratiu Vultur } 186065369933SHoratiu Vultur 186165369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 186265369933SHoratiu Vultur struct net_bridge_port *p) 186365369933SHoratiu Vultur { 186465369933SHoratiu Vultur } 1865df42ef22SHoratiu Vultur 1866df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1867df42ef22SHoratiu Vultur { 1868df42ef22SHoratiu Vultur return 0; 1869df42ef22SHoratiu Vultur } 1870df42ef22SHoratiu Vultur 187165369933SHoratiu Vultur #endif 187265369933SHoratiu Vultur 18732be665c3SHenrik Bjoernlund /* br_cfm.c */ 187486a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18752be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18762be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18772be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 187886a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18795e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1880b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1881b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1882b6d0425bSHenrik Bjoernlund bool getlink); 1883b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1884b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 188586a14b79SHenrik Bjoernlund #else 18862be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18872be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18882be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18892be665c3SHenrik Bjoernlund { 18902be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18912be665c3SHenrik Bjoernlund } 18922be665c3SHenrik Bjoernlund 18932be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18942be665c3SHenrik Bjoernlund { 18952be665c3SHenrik Bjoernlund return false; 18962be665c3SHenrik Bjoernlund } 18972be665c3SHenrik Bjoernlund 189886a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 189986a14b79SHenrik Bjoernlund struct net_bridge_port *p) 190086a14b79SHenrik Bjoernlund { 190186a14b79SHenrik Bjoernlund } 19025e312fc0SHenrik Bjoernlund 19035e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19045e312fc0SHenrik Bjoernlund { 19055e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19065e312fc0SHenrik Bjoernlund } 1907e77824d8SHenrik Bjoernlund 1908b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1909b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1910b6d0425bSHenrik Bjoernlund bool getlink) 1911b6d0425bSHenrik Bjoernlund { 1912b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1913b6d0425bSHenrik Bjoernlund } 1914b6d0425bSHenrik Bjoernlund 1915b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1916b6d0425bSHenrik Bjoernlund { 1917b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1918b6d0425bSHenrik Bjoernlund } 1919b6d0425bSHenrik Bjoernlund 1920b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1921e77824d8SHenrik Bjoernlund { 1922e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1923e77824d8SHenrik Bjoernlund } 192486a14b79SHenrik Bjoernlund #endif 192586a14b79SHenrik Bjoernlund 192611dc1f36SStephen Hemminger /* br_netlink.c */ 1927149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1928348662a1SJoe Perches int br_netlink_init(void); 1929348662a1SJoe Perches void br_netlink_fini(void); 193092899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 193192899063SNikolay Aleksandrov const struct net_bridge_port *port); 1932b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1933b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19342fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19352fd527b7SPetr Machata struct netlink_ext_ack *extack); 1936add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1937348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 193846c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1939f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1940f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1941f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1942f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1943f26b2965SNikolay Aleksandrov bool *changed, 1944f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 194511dc1f36SStephen Hemminger 19461da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19471da177e4SLinus Torvalds /* br_sysfs_if.c */ 194852cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1949348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1950348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19511da177e4SLinus Torvalds 19521da177e4SLinus Torvalds /* br_sysfs_br.c */ 1953348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1954348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19551da177e4SLinus Torvalds 19561da177e4SLinus Torvalds #else 19571da177e4SLinus Torvalds 19580cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19590cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19600cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19610cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19621da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19631da177e4SLinus Torvalds 19646bc506b4SIdo Schimmel /* br_switchdev.c */ 19656bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1966957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1967957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1968957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1969957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1970957e2235SVladimir Oltean bool tx_fwd_offload, 1971957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1972957e2235SVladimir Oltean 1973957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1974957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1975957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1976957e2235SVladimir Oltean 197747211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 197847211192STobias Waldekranz 1979c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1980c5381154SVladimir Oltean 198147211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 198247211192STobias Waldekranz struct sk_buff *skb); 198347211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 198447211192STobias Waldekranz struct sk_buff *skb); 19856bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19866bc506b4SIdo Schimmel struct sk_buff *skb); 19876bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19886bc506b4SIdo Schimmel const struct sk_buff *skb); 19893922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19903922285dSArkadi Sharshevsky unsigned long flags, 1991078bbb85SVladimir Oltean unsigned long mask, 1992078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19936eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19946eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1995169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1996169327d5SPetr Machata struct netlink_ext_ack *extack); 1997d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 199885826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1999f1c2eddfSIdo Schimmel 2000f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2001f1c2eddfSIdo Schimmel { 2002f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2003f1c2eddfSIdo Schimmel } 20046bc506b4SIdo Schimmel #else 2005957e2235SVladimir Oltean static inline int 2006957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2007957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2008957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2009957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2010957e2235SVladimir Oltean bool tx_fwd_offload, 2011957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2012957e2235SVladimir Oltean { 2013957e2235SVladimir Oltean return -EOPNOTSUPP; 2014957e2235SVladimir Oltean } 2015957e2235SVladimir Oltean 2016957e2235SVladimir Oltean static inline void 2017957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2018957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2019957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2020957e2235SVladimir Oltean { 2021957e2235SVladimir Oltean } 2022957e2235SVladimir Oltean 202347211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 202447211192STobias Waldekranz { 202547211192STobias Waldekranz return false; 202647211192STobias Waldekranz } 202747211192STobias Waldekranz 2028c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2029c5381154SVladimir Oltean { 2030c5381154SVladimir Oltean } 2031c5381154SVladimir Oltean 203247211192STobias Waldekranz static inline void 203347211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 203447211192STobias Waldekranz struct sk_buff *skb) 203547211192STobias Waldekranz { 203647211192STobias Waldekranz } 203747211192STobias Waldekranz 203847211192STobias Waldekranz static inline void 203947211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 204047211192STobias Waldekranz struct sk_buff *skb) 204147211192STobias Waldekranz { 204247211192STobias Waldekranz } 204347211192STobias Waldekranz 20446bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20456bc506b4SIdo Schimmel struct sk_buff *skb) 20466bc506b4SIdo Schimmel { 20476bc506b4SIdo Schimmel } 20486bc506b4SIdo Schimmel 20496bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20506bc506b4SIdo Schimmel const struct sk_buff *skb) 20516bc506b4SIdo Schimmel { 20526bc506b4SIdo Schimmel return true; 20536bc506b4SIdo Schimmel } 20543922285dSArkadi Sharshevsky 20553922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20563922285dSArkadi Sharshevsky unsigned long flags, 2057078bbb85SVladimir Oltean unsigned long mask, 2058078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20593922285dSArkadi Sharshevsky { 20603922285dSArkadi Sharshevsky return 0; 20613922285dSArkadi Sharshevsky } 20626b26b51bSArkadi Sharshevsky 2063d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2064169327d5SPetr Machata u16 vid, u16 flags, 2065169327d5SPetr Machata struct netlink_ext_ack *extack) 2066d66e4348SPetr Machata { 2067d66e4348SPetr Machata return -EOPNOTSUPP; 2068d66e4348SPetr Machata } 2069d66e4348SPetr Machata 2070d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2071d66e4348SPetr Machata { 2072d66e4348SPetr Machata return -EOPNOTSUPP; 2073d66e4348SPetr Machata } 2074d66e4348SPetr Machata 20756b26b51bSArkadi Sharshevsky static inline void 20766eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20776eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20786b26b51bSArkadi Sharshevsky { 20796b26b51bSArkadi Sharshevsky } 2080f1c2eddfSIdo Schimmel 2081f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2082f1c2eddfSIdo Schimmel { 2083f1c2eddfSIdo Schimmel } 208485826610STobias Waldekranz 208585826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 208685826610STobias Waldekranz { 208785826610STobias Waldekranz } 208885826610STobias Waldekranz 20896bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20906bc506b4SIdo Schimmel 2091057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2092821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2093057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2094057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2095ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2096ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2097ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20981da177e4SLinus Torvalds #endif 2099