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; 84*bb18ef8eSNikolay Aleksandrov int port_ifidx; 85dc4eb53aSLinus Lüssing }; 861080ab95SNikolay Aleksandrov 871080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 881080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 891080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 901080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 911080ab95SNikolay Aleksandrov }; 92cc0fdd80SLinus Lüssing #endif 93cc0fdd80SLinus Lüssing 949632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 959632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 969632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 979632233eSNikolay Aleksandrov struct net_bridge_port *port; 98613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 999632233eSNikolay Aleksandrov 1009632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1019632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1029632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1039632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1049632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1059632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1069632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1079632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1089632233eSNikolay Aleksandrov unsigned char multicast_router; 1099632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1109632233eSNikolay Aleksandrov }; 1119632233eSNikolay Aleksandrov 112d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 113d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 114d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 115d3d065c0SNikolay Aleksandrov struct net_bridge *br; 116613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 117d3d065c0SNikolay Aleksandrov 118d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 119d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 120d3d065c0SNikolay Aleksandrov 1214d5b4e84SNikolay Aleksandrov u8 multicast_querier; 122d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 123d3d065c0SNikolay Aleksandrov u8 multicast_router; 124d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 125d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 126d3d065c0SNikolay Aleksandrov #endif 127d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 128d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 129d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 130d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 133d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 134d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 135d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 136d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 137d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 138d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 139d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 140d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 141d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 142d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 143d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 144d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 145d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 146d3d065c0SNikolay Aleksandrov }; 147d3d065c0SNikolay Aleksandrov 148efa5356bSRoopa Prabhu struct br_tunnel_info { 149efa5356bSRoopa Prabhu __be64 tunnel_id; 15058e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 151efa5356bSRoopa Prabhu }; 152efa5356bSRoopa Prabhu 1539d332e69SNikolay Aleksandrov /* private vlan flags */ 1549d332e69SNikolay Aleksandrov enum { 1559d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15627973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1577b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1587b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1599d332e69SNikolay Aleksandrov }; 1609d332e69SNikolay Aleksandrov 1612594e906SNikolay Aleksandrov /** 1622594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1632594e906SNikolay Aleksandrov * 1642594e906SNikolay Aleksandrov * @vnode: rhashtable member 1652594e906SNikolay Aleksandrov * @vid: VLAN id 1662594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1679d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 168a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1696dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1702594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1712594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1722594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1732594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1742594e906SNikolay Aleksandrov * for this VLAN entry 175613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 176613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 177613d61dbSNikolay Aleksandrov * context 1782594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1792594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1802594e906SNikolay Aleksandrov * 1812594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1822594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1832594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1842594e906SNikolay Aleksandrov * the entry flags that are set. 1852594e906SNikolay Aleksandrov */ 1862594e906SNikolay Aleksandrov struct net_bridge_vlan { 1872594e906SNikolay Aleksandrov struct rhash_head vnode; 188efa5356bSRoopa Prabhu struct rhash_head tnode; 1892594e906SNikolay Aleksandrov u16 vid; 1902594e906SNikolay Aleksandrov u16 flags; 1919d332e69SNikolay Aleksandrov u16 priv_flags; 192a580c76dSNikolay Aleksandrov u8 state; 193281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 194243a2e63SVlad Yasevich union { 195243a2e63SVlad Yasevich struct net_bridge *br; 1962594e906SNikolay Aleksandrov struct net_bridge_port *port; 1972594e906SNikolay Aleksandrov }; 1982594e906SNikolay Aleksandrov union { 19925127759SReshetova, Elena refcount_t refcnt; 2002594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2012594e906SNikolay Aleksandrov }; 202efa5356bSRoopa Prabhu 203efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 204efa5356bSRoopa Prabhu 205613d61dbSNikolay Aleksandrov union { 206613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 207613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 208613d61dbSNikolay Aleksandrov }; 209613d61dbSNikolay Aleksandrov 2102594e906SNikolay Aleksandrov struct list_head vlist; 2112594e906SNikolay Aleksandrov 212243a2e63SVlad Yasevich struct rcu_head rcu; 2132594e906SNikolay Aleksandrov }; 2142594e906SNikolay Aleksandrov 2152594e906SNikolay Aleksandrov /** 2162594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2172594e906SNikolay Aleksandrov * 2182594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2192594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2202594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22177751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 222a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2232594e906SNikolay Aleksandrov * 2242594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2252594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2262594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2272594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2282594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2292594e906SNikolay Aleksandrov */ 2302594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2312594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 232efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2332594e906SNikolay Aleksandrov struct list_head vlan_list; 2346cbdceebSVlad Yasevich u16 num_vlans; 23577751ee8SNikolay Aleksandrov u16 pvid; 236a580c76dSNikolay Aleksandrov u8 pvid_state; 237243a2e63SVlad Yasevich }; 238243a2e63SVlad Yasevich 2396869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2406869c3b0SNikolay Aleksandrov enum { 2416869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24229e63fffSNikolay Aleksandrov BR_FDB_STATIC, 243e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 244ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 245b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 246d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 24731cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 24831cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2496869c3b0SNikolay Aleksandrov }; 2506869c3b0SNikolay Aleksandrov 251eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 252eb793583SNikolay Aleksandrov mac_addr addr; 253eb793583SNikolay Aleksandrov u16 vlan_id; 254eb793583SNikolay Aleksandrov }; 255eb793583SNikolay Aleksandrov 2561214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 257eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2581da177e4SLinus Torvalds struct net_bridge_port *dst; 2591da177e4SLinus Torvalds 260eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 261eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2626869c3b0SNikolay Aleksandrov unsigned long flags; 2631214628cSNikolay Aleksandrov 2641214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2651214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2661214628cSNikolay Aleksandrov unsigned long used; 2671214628cSNikolay Aleksandrov 268b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2691da177e4SLinus Torvalds }; 2701da177e4SLinus Torvalds 2719d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2729d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2733247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2748266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2759116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2769d06b6d8SElad Raz 2778b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2788b671779SNikolay Aleksandrov 2798b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2808b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 281b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2828b671779SNikolay Aleksandrov 283e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 284e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 285e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 286e12cec65SNikolay Aleksandrov }; 287e12cec65SNikolay Aleksandrov 2888b671779SNikolay Aleksandrov struct net_bridge_group_src { 2898b671779SNikolay Aleksandrov struct hlist_node node; 2908b671779SNikolay Aleksandrov 2918b671779SNikolay Aleksandrov struct br_ip addr; 2928b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2938b671779SNikolay Aleksandrov u8 flags; 294438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2958b671779SNikolay Aleksandrov struct timer_list timer; 2968b671779SNikolay Aleksandrov 2978b671779SNikolay Aleksandrov struct net_bridge *br; 298e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2998b671779SNikolay Aleksandrov struct rcu_head rcu; 3008b671779SNikolay Aleksandrov }; 3018b671779SNikolay Aleksandrov 302085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 303eb1d1641SHerbert Xu struct net_bridge_port *port; 3048ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 305085b53c8SNikolay Aleksandrov }; 306085b53c8SNikolay Aleksandrov 307085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 308085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 309085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 310206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3119d06b6d8SElad Raz unsigned char flags; 3128b671779SNikolay Aleksandrov unsigned char filter_mode; 31342c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3148f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3156ec0d0eeSNikolay Aleksandrov 3168b671779SNikolay Aleksandrov struct hlist_head src_list; 3178b671779SNikolay Aleksandrov unsigned int src_ents; 3186ec0d0eeSNikolay Aleksandrov struct timer_list timer; 31942c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3206ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3218f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3228f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3236ec0d0eeSNikolay Aleksandrov 324085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 325e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3266ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 327eb1d1641SHerbert Xu }; 328eb1d1641SHerbert Xu 3291c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 33019e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 331eb1d1641SHerbert Xu struct net_bridge *br; 332e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3338ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 334ff0fd34eSAndrew Lunn bool host_joined; 3356ec0d0eeSNikolay Aleksandrov 3366ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33719e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3386ec0d0eeSNikolay Aleksandrov 339e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3406ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 341eb1d1641SHerbert Xu }; 342eb1d1641SHerbert Xu 3431f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3441da177e4SLinus Torvalds struct net_bridge *br; 3451da177e4SLinus Torvalds struct net_device *dev; 3461da177e4SLinus Torvalds struct list_head list; 3471da177e4SLinus Torvalds 3481f90c7f3SNikolay Aleksandrov unsigned long flags; 3491f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3501f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3511f90c7f3SNikolay Aleksandrov #endif 3522756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3531f90c7f3SNikolay Aleksandrov 3541da177e4SLinus Torvalds /* STP */ 3551da177e4SLinus Torvalds u8 priority; 3561da177e4SLinus Torvalds u8 state; 3571da177e4SLinus Torvalds u16 port_no; 3581da177e4SLinus Torvalds unsigned char topology_change_ack; 3591da177e4SLinus Torvalds unsigned char config_pending; 3601da177e4SLinus Torvalds port_id port_id; 3611da177e4SLinus Torvalds port_id designated_port; 3621da177e4SLinus Torvalds bridge_id designated_root; 3631da177e4SLinus Torvalds bridge_id designated_bridge; 3641da177e4SLinus Torvalds u32 path_cost; 3651da177e4SLinus Torvalds u32 designated_cost; 3660c03150eSstephen hemminger unsigned long designated_age; 3671da177e4SLinus Torvalds 3681da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3691da177e4SLinus Torvalds struct timer_list hold_timer; 3701da177e4SLinus Torvalds struct timer_list message_age_timer; 3711da177e4SLinus Torvalds struct kobject kobj; 3721da177e4SLinus Torvalds struct rcu_head rcu; 3733982d3d2SFischer, Anna 3749632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3759632233eSNikolay Aleksandrov 376eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3779632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3789632233eSNikolay Aleksandrov 37989268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38089268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 381eb1d1641SHerbert Xu struct hlist_head mglist; 382eb1d1641SHerbert Xu #endif 383e0f43752SSimon Arlott 384e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 385e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 386e0f43752SSimon Arlott #endif 38791d2c34aSHerbert Xu 38891d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 38991d2c34aSHerbert Xu struct netpoll *np; 39091d2c34aSHerbert Xu #endif 3916bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 392f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 393f7cf972fSTobias Waldekranz * hardware domain. 394f7cf972fSTobias Waldekranz */ 395f7cf972fSTobias Waldekranz int hwdom; 3962f5dc00fSVladimir Oltean int offload_count; 3972f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 3986bc506b4SIdo Schimmel #endif 3995af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4002756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 401de179966SVivien Didelot 402de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4031da177e4SLinus Torvalds }; 4041da177e4SLinus Torvalds 405705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 406705e0deaSTyler Hicks 407e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 408f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 409e028e4b8SVlad Yasevich 410b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 411b5ed54e9Sstephen hemminger { 412716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 413b5ed54e9Sstephen hemminger } 414b5ed54e9Sstephen hemminger 4151fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 416b5ed54e9Sstephen hemminger { 41735f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 418ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 419b5ed54e9Sstephen hemminger } 420b5ed54e9Sstephen hemminger 4210baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4220baa10ffSArkadi Sharshevsky { 42335f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4240baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4250baa10ffSArkadi Sharshevsky } 4260baa10ffSArkadi Sharshevsky 427ae75767eSNikolay Aleksandrov enum net_bridge_opts { 428ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 429ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4308df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4318df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4328df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 433be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 43413cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 435675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 436675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 437675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 438c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4393341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4409163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44170e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4429c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 443f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 444ae75767eSNikolay Aleksandrov }; 445ae75767eSNikolay Aleksandrov 4461f90c7f3SNikolay Aleksandrov struct net_bridge { 4471da177e4SLinus Torvalds spinlock_t lock; 4481f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 44990c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4501da177e4SLinus Torvalds struct net_device *dev; 451ae75767eSNikolay Aleksandrov unsigned long options; 4521f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4531f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4541f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4551f90c7f3SNikolay Aleksandrov u16 default_pvid; 4561f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4571f90c7f3SNikolay Aleksandrov #endif 4581f90c7f3SNikolay Aleksandrov 459eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46090c628ddSHenrik Bjoernlund struct list_head port_list; 46134666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 462efb6de9bSBernhard Thaler union { 4634adf0af6SSimon Wunderlich struct rtable fake_rtable; 464efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 465efb6de9bSBernhard Thaler }; 4664adf0af6SSimon Wunderlich #endif 467515853ccSstephen hemminger u16 group_fwd_mask; 468f2808d22SToshiaki Makita u16 group_fwd_mask_required; 469515853ccSstephen hemminger 4701da177e4SLinus Torvalds /* STP */ 4711da177e4SLinus Torvalds bridge_id designated_root; 4721da177e4SLinus Torvalds bridge_id bridge_id; 4731f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4741f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4751f90c7f3SNikolay Aleksandrov u16 root_port; 4761da177e4SLinus Torvalds unsigned long max_age; 4771da177e4SLinus Torvalds unsigned long hello_time; 4781da177e4SLinus Torvalds unsigned long forward_delay; 4791da177e4SLinus Torvalds unsigned long ageing_time; 48034d8acd8SVivien Didelot unsigned long bridge_max_age; 4811da177e4SLinus Torvalds unsigned long bridge_hello_time; 4821da177e4SLinus Torvalds unsigned long bridge_forward_delay; 48334d8acd8SVivien Didelot unsigned long bridge_ageing_time; 48435750b0bSNikolay Aleksandrov u32 root_path_cost; 4851da177e4SLinus Torvalds 486fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4879cde0708SStephen Hemminger 4889cde0708SStephen Hemminger enum { 4899cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4909cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4919cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4929cde0708SStephen Hemminger } stp_enabled; 4939cde0708SStephen Hemminger 494d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 495d3d065c0SNikolay Aleksandrov 496eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 497d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 498eb1d1641SHerbert Xu 499eb1d1641SHerbert Xu u32 hash_max; 500eb1d1641SHerbert Xu 50135750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 502eb1d1641SHerbert Xu 50319e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 504085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 50519e3a9c9SNikolay Aleksandrov 506e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 50719e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 508eb1d1641SHerbert Xu 509e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 510eb1d1641SHerbert Xu #endif 511eb1d1641SHerbert Xu 5121da177e4SLinus Torvalds struct timer_list hello_timer; 5131da177e4SLinus Torvalds struct timer_list tcn_timer; 5141da177e4SLinus Torvalds struct timer_list topology_change_timer; 515f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 51643b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 517e028e4b8SVlad Yasevich u32 auto_cnt; 5186bc506b4SIdo Schimmel 5196bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 520f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 521f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 522f7cf972fSTobias Waldekranz */ 523f7cf972fSTobias Waldekranz int last_hwdom; 52485826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 52585826610STobias Waldekranz unsigned long busy_hwdoms; 5266bc506b4SIdo Schimmel #endif 527eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5284b8d7d4cSHoratiu Vultur 5294b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5300169b820SHoratiu Vultur struct hlist_head mrp_list; 5314b8d7d4cSHoratiu Vultur #endif 532f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 533f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 534f323aa54SHenrik Bjoernlund #endif 5351da177e4SLinus Torvalds }; 5361da177e4SLinus Torvalds 53768b7c895SHerbert Xu struct br_input_skb_cb { 53868b7c895SHerbert Xu struct net_device *brdev; 53993fdd47eSHerbert Xu 5403c171f49SPablo Neira Ayuso u16 frag_max_size; 54132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 542f12064d1SFlorian Westphal u8 igmp; 543f12064d1SFlorian Westphal u8 mrouters_only:1; 54432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 545f12064d1SFlorian Westphal u8 proxyarp_replied:1; 546f12064d1SFlorian Westphal u8 src_port_isolated:1; 54720adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 548f12064d1SFlorian Westphal u8 vlan_filtered:1; 54920adfa1aSVlad Yasevich #endif 550223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 551223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 552223fd0adSFlorian Westphal #endif 5536bc506b4SIdo Schimmel 5546bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 55547211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 55647211192STobias Waldekranz * hardware domain. 55747211192STobias Waldekranz */ 55847211192STobias Waldekranz u8 tx_fwd_offload:1; 559f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 560f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 561f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 562f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 563f7cf972fSTobias Waldekranz */ 564f7cf972fSTobias Waldekranz int src_hwdom; 56547211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 56647211192STobias Waldekranz * transmitted using the TX data plane offload. 56747211192STobias Waldekranz */ 56847211192STobias Waldekranz unsigned long fwd_hwdoms; 5696bc506b4SIdo Schimmel #endif 57068b7c895SHerbert Xu }; 57168b7c895SHerbert Xu 57268b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 57368b7c895SHerbert Xu 57432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 57532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 57632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58028a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58128a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 58228a16c97Sstephen hemminger 58328a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 58428a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 58528a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 58628a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 58728a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 58828a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 58928a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59028a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59128a16c97Sstephen hemminger 59228a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 59328a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 59428a16c97Sstephen hemminger 5951da177e4SLinus Torvalds /* called under bridge lock */ 5961da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5971da177e4SLinus Torvalds { 5981da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5991da177e4SLinus Torvalds } 6001da177e4SLinus Torvalds 6012594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6022594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6032594e906SNikolay Aleksandrov { 6042594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6052594e906SNikolay Aleksandrov } 6062594e906SNikolay Aleksandrov 6072594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6082594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6092594e906SNikolay Aleksandrov { 6102594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6112594e906SNikolay Aleksandrov } 6122594e906SNikolay Aleksandrov 6136be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6142594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6152594e906SNikolay Aleksandrov { 6162594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6172594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6182594e906SNikolay Aleksandrov return true; 6192594e906SNikolay Aleksandrov else 6202594e906SNikolay Aleksandrov return false; 6212594e906SNikolay Aleksandrov } 6222594e906SNikolay Aleksandrov 6232594e906SNikolay Aleksandrov return true; 6242594e906SNikolay Aleksandrov } 6252594e906SNikolay Aleksandrov 6265d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6275d1fcaf3SNikolay Aleksandrov { 6285d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6295d1fcaf3SNikolay Aleksandrov } 6305d1fcaf3SNikolay Aleksandrov 6318f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6325a46facbSNikolay Aleksandrov { 6338f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6348f4cc940SNikolay Aleksandrov 6358f4cc940SNikolay Aleksandrov if (!ret) 6368f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6378f4cc940SNikolay Aleksandrov 6388f4cc940SNikolay Aleksandrov return ret; 6395a46facbSNikolay Aleksandrov } 6405a46facbSNikolay Aleksandrov 6415a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6428f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6438f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6445a46facbSNikolay Aleksandrov { 6455a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6468f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6478f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6485a46facbSNikolay Aleksandrov return false; 6498f4cc940SNikolay Aleksandrov } 6505a46facbSNikolay Aleksandrov 6515a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6525a46facbSNikolay Aleksandrov * - it has range start flag 6535a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6545a46facbSNikolay Aleksandrov */ 6555a46facbSNikolay Aleksandrov if (last) { 6568f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6578f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6585a46facbSNikolay Aleksandrov return false; 6598f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6608f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6618f4cc940SNikolay Aleksandrov return false; 6628f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6638f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6648f4cc940SNikolay Aleksandrov return false; 6658f4cc940SNikolay Aleksandrov } 6668f4cc940SNikolay Aleksandrov } 6678f4cc940SNikolay Aleksandrov 6688f4cc940SNikolay Aleksandrov /* check for required range flags */ 6698f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6708f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6718f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6725a46facbSNikolay Aleksandrov return false; 6735a46facbSNikolay Aleksandrov } 6745a46facbSNikolay Aleksandrov 6755a46facbSNikolay Aleksandrov return true; 6765a46facbSNikolay Aleksandrov } 6775a46facbSNikolay Aleksandrov 678f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 679f545923bSNikolay Aleksandrov { 680f545923bSNikolay Aleksandrov switch (cmd) { 681f545923bSNikolay Aleksandrov case RTM_SETLINK: 682f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 683f545923bSNikolay Aleksandrov case RTM_DELLINK: 684f545923bSNikolay Aleksandrov return RTM_DELVLAN; 685f545923bSNikolay Aleksandrov } 686f545923bSNikolay Aleksandrov 687f545923bSNikolay Aleksandrov return 0; 688f545923bSNikolay Aleksandrov } 689f545923bSNikolay Aleksandrov 690ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 691ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 692ae75767eSNikolay Aleksandrov { 693ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 694ae75767eSNikolay Aleksandrov } 695ae75767eSNikolay Aleksandrov 696a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 697a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 698a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 699a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 700a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 701a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 702a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 703a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 704ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 705ae75767eSNikolay Aleksandrov 7061da177e4SLinus Torvalds /* br_device.c */ 707348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 708348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 709348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 710cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 71191d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 71291d2c34aSHerbert Xu struct sk_buff *skb) 71391d2c34aSHerbert Xu { 714f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 71591d2c34aSHerbert Xu } 71691d2c34aSHerbert Xu 717a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 718348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 71991d2c34aSHerbert Xu #else 7209f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 72191d2c34aSHerbert Xu struct sk_buff *skb) 72291d2c34aSHerbert Xu { 72391d2c34aSHerbert Xu } 72491d2c34aSHerbert Xu 725a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 72691d2c34aSHerbert Xu { 72791d2c34aSHerbert Xu return 0; 72891d2c34aSHerbert Xu } 72991d2c34aSHerbert Xu 73091d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 73191d2c34aSHerbert Xu { 73291d2c34aSHerbert Xu } 733cfb478daSstephen hemminger #endif 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds /* br_fdb.c */ 736348662a1SJoe Perches int br_fdb_init(void); 737348662a1SJoe Perches void br_fdb_fini(void); 738eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 739eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 740348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 741424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 742424bb9c9SToshiaki Makita const struct net_bridge_port *p, 743424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 744348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 745348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 746f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 747348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7481ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 749bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 750bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 751bfd0aeacSNikolay Aleksandrov __u16 vid); 752348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 753348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 754348662a1SJoe Perches unsigned long off); 755348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 756348662a1SJoe Perches const unsigned char *addr, u16 vid); 757348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 758be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 75977162022SJohn Fastabend 760348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 761f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 762348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 76387b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 76487b0984eSPetr Machata struct netlink_ext_ack *extack); 765348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 766d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 76747674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 76847674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 76947674562SRoopa Prabhu struct netlink_ext_ack *extack); 7708db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7718db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7723aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 77345a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 774161d82deSPetr Machata bool swdev_notify); 7753aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 776161d82deSPetr Machata const unsigned char *addr, u16 vid, 777161d82deSPetr Machata bool swdev_notify); 7789fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 779e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 780b4454bc6SVladimir Oltean int br_fdb_replay(const struct net_device *br_dev, const void *ctx, bool adding, 781b4454bc6SVladimir Oltean struct notifier_block *nb); 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds /* br_forward.c */ 7848addd5e7SNikolay Aleksandrov enum br_pkt_type { 7858addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7868addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7878addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7888addd5e7SNikolay Aleksandrov }; 7890c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 790b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 79137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7920c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 79337b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7948addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7951da177e4SLinus Torvalds 7967d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7977d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7987d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7997d850abdSNikolay Aleksandrov { 8007d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8017d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8027d850abdSNikolay Aleksandrov } 8037d850abdSNikolay Aleksandrov 8041da177e4SLinus Torvalds /* br_if.c */ 805faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 806348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 807348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 808ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 809ca752be0SDavid Ahern struct netlink_ext_ack *extack); 810348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 811804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 812348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 813c8f44affSMichał Mirosław netdev_features_t features); 814e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8152796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8162756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvalds /* br_input.c */ 8190c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8209eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8211da177e4SLinus Torvalds 82290c628ddSHenrik Bjoernlund struct br_frame_type { 82390c628ddSHenrik Bjoernlund __be16 type; 82490c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 82590c628ddSHenrik Bjoernlund struct sk_buff *skb); 82690c628ddSHenrik Bjoernlund struct hlist_node list; 82790c628ddSHenrik Bjoernlund }; 82890c628ddSHenrik Bjoernlund 82990c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 83090c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 83190c628ddSHenrik Bjoernlund 832859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 833859828c0SJiri Pirko { 8349eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 835859828c0SJiri Pirko } 836859828c0SJiri Pirko 8374d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8384d4fd361SPetr Machata { 8399eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8404d4fd361SPetr Machata } 8414d4fd361SPetr Machata 842859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 843859828c0SJiri Pirko { 844859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 845859828c0SJiri Pirko } 846859828c0SJiri Pirko 8474d4fd361SPetr Machata static inline struct net_bridge_port * 8484d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8494d4fd361SPetr Machata { 8504d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8514d4fd361SPetr Machata } 8524d4fd361SPetr Machata 8531da177e4SLinus Torvalds /* br_ioctl.c */ 854561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 855561d8352SArnd Bergmann void __user *data, int cmd); 856ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 857ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8581da177e4SLinus Torvalds 859eb1d1641SHerbert Xu /* br_multicast.c */ 860eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 861f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 862f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 863f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 864fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 865adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 866eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8671080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 868348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 869348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 870348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 871348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 872851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 873851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 874348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 875348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 876e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 877adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 878adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 879adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 880a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 881348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 882ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 883ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 88462938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 885348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 886df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 887df271cd6SNikolay Aleksandrov unsigned long val); 888aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 889df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 890df271cd6SNikolay Aleksandrov unsigned long val); 891aa2ae3e7SNikolay Aleksandrov #endif 892348662a1SJoe Perches struct net_bridge_mdb_entry * 89319e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 894348662a1SJoe Perches struct net_bridge_mdb_entry * 89519e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 896348662a1SJoe Perches struct net_bridge_port_group * 897348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 898762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 8998b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9008f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 90119e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 90219e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 90381f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 90481f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9051e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 906949f1e39SSatish Ashok int type); 907681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 908681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 909681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 910adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 911adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 912a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9131080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 914b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9151080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9161080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9171080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 91819e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 91919e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 92058d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 92158d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9221bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9238266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9248266a049SNikolay Aleksandrov u8 filter_mode); 9258266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9268266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 927474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 928474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 929d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 930d5a10222SNikolay Aleksandrov bool fastleave); 931613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 932613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 933613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 934613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 935613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 936613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 937613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 938613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9397b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 940f4b7002aSNikolay Aleksandrov void br_multicast_toggle_vlan(struct net_bridge_vlan *vlan, bool on); 941f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 942f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9439dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 94485b35269SSridhar Samudrala 9454e51bf44SVladimir Oltean int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, 9464e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 9474e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 948dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 949dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 9504e51bf44SVladimir Oltean 951955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 952955062b0SNikolay Aleksandrov { 953955062b0SNikolay Aleksandrov return group->proto == 0; 954955062b0SNikolay Aleksandrov } 955955062b0SNikolay Aleksandrov 956cfd56754SCong Wang #define mlock_dereference(X, br) \ 957cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 958cfd56754SCong Wang 95944ebb081SLinus Lüssing static inline struct hlist_node * 960adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 961adc47037SNikolay Aleksandrov struct sk_buff *skb) 962d3d065c0SNikolay Aleksandrov { 963a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 964a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 965d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 966a3c02e76SLinus Lüssing #endif 967d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 96844ebb081SLinus Lüssing } 96944ebb081SLinus Lüssing 97044ebb081SLinus Lüssing static inline struct net_bridge_port * 971d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 972d3d065c0SNikolay Aleksandrov { 9739632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9749632233eSNikolay Aleksandrov 975a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 976a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9779632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9789632233eSNikolay Aleksandrov ip6_rlist); 9799632233eSNikolay Aleksandrov else 980a3c02e76SLinus Lüssing #endif 9819632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9829632233eSNikolay Aleksandrov ip4_rlist); 9839632233eSNikolay Aleksandrov 9849632233eSNikolay Aleksandrov if (mctx) 9859632233eSNikolay Aleksandrov return mctx->port; 9869632233eSNikolay Aleksandrov else 9879632233eSNikolay Aleksandrov return NULL; 98844ebb081SLinus Lüssing } 98944ebb081SLinus Lüssing 990d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 99185b35269SSridhar Samudrala { 992d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 9931a3065a2SLinus Lüssing } 9941a3065a2SLinus Lüssing 995d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 9961a3065a2SLinus Lüssing { 9971a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 998d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 9991a3065a2SLinus Lüssing #else 10001a3065a2SLinus Lüssing return false; 10011a3065a2SLinus Lüssing #endif 10021a3065a2SLinus Lüssing } 10031a3065a2SLinus Lüssing 10041a3065a2SLinus Lüssing static inline bool 1005adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10061a3065a2SLinus Lüssing { 1007d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10081a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10091a3065a2SLinus Lüssing return true; 10101a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10111a3065a2SLinus Lüssing if (skb) { 10121a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1013d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10141a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1015d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10161a3065a2SLinus Lüssing } else { 1017d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1018d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10191a3065a2SLinus Lüssing } 10201a3065a2SLinus Lüssing fallthrough; 10211a3065a2SLinus Lüssing default: 10221a3065a2SLinus Lüssing return false; 10231a3065a2SLinus Lüssing } 102485b35269SSridhar Samudrala } 1025b00589afSLinus Lüssing 1026cc0fdd80SLinus Lüssing static inline bool 1027adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10280888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10290888d5f3Sdaniel const bool is_ipv6) 1030b00589afSLinus Lüssing { 10310888d5f3Sdaniel bool own_querier_enabled; 10320888d5f3Sdaniel 103362938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1034adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10350888d5f3Sdaniel own_querier_enabled = false; 10360888d5f3Sdaniel else 10370888d5f3Sdaniel own_querier_enabled = true; 10380888d5f3Sdaniel } else { 10390888d5f3Sdaniel own_querier_enabled = false; 10400888d5f3Sdaniel } 10410888d5f3Sdaniel 1042cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10430888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1044cc0fdd80SLinus Lüssing } 1045cc0fdd80SLinus Lüssing 1046adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1047955062b0SNikolay Aleksandrov struct ethhdr *eth, 1048955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1049cc0fdd80SLinus Lüssing { 1050cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1051cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1052adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1053adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1054cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1055cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1056adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1057adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1058cc0fdd80SLinus Lüssing #endif 1059cc0fdd80SLinus Lüssing default: 1060955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1061cc0fdd80SLinus Lüssing } 1062b00589afSLinus Lüssing } 10631080ab95SNikolay Aleksandrov 106488d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 106588d4bd18SNikolay Aleksandrov { 106688d4bd18SNikolay Aleksandrov switch (ip->proto) { 106788d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 106888d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 106988d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 107088d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 107188d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 107288d4bd18SNikolay Aleksandrov #endif 107388d4bd18SNikolay Aleksandrov default: 107488d4bd18SNikolay Aleksandrov return false; 107588d4bd18SNikolay Aleksandrov } 107688d4bd18SNikolay Aleksandrov } 107788d4bd18SNikolay Aleksandrov 1078adc47037SNikolay Aleksandrov static inline bool 1079adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10808266a049SNikolay Aleksandrov __be16 proto) 10818266a049SNikolay Aleksandrov { 10828266a049SNikolay Aleksandrov switch (proto) { 10838266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1084adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 10858266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 10868266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1087adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 10888266a049SNikolay Aleksandrov #endif 10898266a049SNikolay Aleksandrov default: 10908266a049SNikolay Aleksandrov return false; 10918266a049SNikolay Aleksandrov } 10928266a049SNikolay Aleksandrov } 10938266a049SNikolay Aleksandrov 10941080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 10951080ab95SNikolay Aleksandrov { 10961080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 10971080ab95SNikolay Aleksandrov } 109842c11ccfSNikolay Aleksandrov 1099adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 110042c11ccfSNikolay Aleksandrov { 1101adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1102adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 110342c11ccfSNikolay Aleksandrov } 11040436862eSNikolay Aleksandrov 1105adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11060436862eSNikolay Aleksandrov { 11070436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 1108adc47037SNikolay Aleksandrov return 2 * brmctx->multicast_query_interval + 1109adc47037SNikolay Aleksandrov brmctx->multicast_query_response_interval; 11100436862eSNikolay Aleksandrov } 11117b54aaafSNikolay Aleksandrov 11127b54aaafSNikolay Aleksandrov static inline bool 11137b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11147b54aaafSNikolay Aleksandrov { 11157b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11167b54aaafSNikolay Aleksandrov } 11177b54aaafSNikolay Aleksandrov 11187b54aaafSNikolay Aleksandrov static inline bool 11197b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11207b54aaafSNikolay Aleksandrov { 11217b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11227b54aaafSNikolay Aleksandrov } 11237b54aaafSNikolay Aleksandrov 11247b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11257b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11267b54aaafSNikolay Aleksandrov { 11277b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11287b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11297b54aaafSNikolay Aleksandrov else 11307b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11317b54aaafSNikolay Aleksandrov } 11327b54aaafSNikolay Aleksandrov 11337b54aaafSNikolay Aleksandrov static inline bool 11347b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11357b54aaafSNikolay Aleksandrov { 1136f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1137f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11387b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11397b54aaafSNikolay Aleksandrov } 11407b54aaafSNikolay Aleksandrov 11417b54aaafSNikolay Aleksandrov static inline bool 11427b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11437b54aaafSNikolay Aleksandrov { 11447b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11457b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11467b54aaafSNikolay Aleksandrov } 11477b54aaafSNikolay Aleksandrov 11487b54aaafSNikolay Aleksandrov static inline bool 11497b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11507b54aaafSNikolay Aleksandrov { 11517b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11527b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11537b54aaafSNikolay Aleksandrov } 11544cdd0d10SNikolay Aleksandrov 11554cdd0d10SNikolay Aleksandrov static inline bool 11564cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11574cdd0d10SNikolay Aleksandrov { 11584cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11594cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11604cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11614cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11624cdd0d10SNikolay Aleksandrov } 11634cdd0d10SNikolay Aleksandrov 11644cdd0d10SNikolay Aleksandrov static inline bool 11654cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11664cdd0d10SNikolay Aleksandrov { 11674cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11684cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11694cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11704cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11714cdd0d10SNikolay Aleksandrov } 1172df271cd6SNikolay Aleksandrov 1173df271cd6SNikolay Aleksandrov static inline bool 1174dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1175dc002875SNikolay Aleksandrov { 1176dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1177dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1178dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1179dc002875SNikolay Aleksandrov #else 1180dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1181dc002875SNikolay Aleksandrov #endif 1182dc002875SNikolay Aleksandrov } 1183dc002875SNikolay Aleksandrov 1184dc002875SNikolay Aleksandrov static inline bool 1185df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1186df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1187df271cd6SNikolay Aleksandrov { 1188df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1189df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1190931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1191931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 119250725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 119350725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 119477f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 119577f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 11962da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 11972da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1198cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1199cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1200d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1201d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 120242521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 120342521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1204941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1205941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 120662938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1207a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1208dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1209dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1210df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1211df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1212df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1213df271cd6SNikolay Aleksandrov #endif 1214df271cd6SNikolay Aleksandrov true; 1215df271cd6SNikolay Aleksandrov } 1216cb486ce9SNikolay Aleksandrov 1217cb486ce9SNikolay Aleksandrov static inline bool 1218cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1219cb486ce9SNikolay Aleksandrov { 1220cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1221cb486ce9SNikolay Aleksandrov 1222cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1223cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1224cb486ce9SNikolay Aleksandrov 1225cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1226cb486ce9SNikolay Aleksandrov } 1227eb1d1641SHerbert Xu #else 1228f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1229f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1230f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 123106499098SVlad Yasevich struct sk_buff *skb, 123206499098SVlad Yasevich u16 vid) 1233eb1d1641SHerbert Xu { 1234eb1d1641SHerbert Xu return 0; 1235eb1d1641SHerbert Xu } 1236eb1d1641SHerbert Xu 1237adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1238fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1239eb1d1641SHerbert Xu { 1240eb1d1641SHerbert Xu return NULL; 1241eb1d1641SHerbert Xu } 1242eb1d1641SHerbert Xu 12431080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1244eb1d1641SHerbert Xu { 12451080ab95SNikolay Aleksandrov return 0; 1246eb1d1641SHerbert Xu } 1247eb1d1641SHerbert Xu 1248eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1249eb1d1641SHerbert Xu { 1250eb1d1641SHerbert Xu } 1251eb1d1641SHerbert Xu 1252eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1253eb1d1641SHerbert Xu { 1254eb1d1641SHerbert Xu } 1255eb1d1641SHerbert Xu 1256eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1257eb1d1641SHerbert Xu { 1258eb1d1641SHerbert Xu } 1259eb1d1641SHerbert Xu 1260eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1261eb1d1641SHerbert Xu { 1262eb1d1641SHerbert Xu } 1263eb1d1641SHerbert Xu 1264851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1265851d0a73SJoseph Huang { 1266851d0a73SJoseph Huang } 1267851d0a73SJoseph Huang 1268851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1269851d0a73SJoseph Huang { 1270851d0a73SJoseph Huang } 1271851d0a73SJoseph Huang 1272eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1273eb1d1641SHerbert Xu { 1274eb1d1641SHerbert Xu } 1275eb1d1641SHerbert Xu 1276eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1277eb1d1641SHerbert Xu { 1278eb1d1641SHerbert Xu } 12795cb5e947SHerbert Xu 1280a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1281a7ce45a7SNikolay Aleksandrov { 1282a7ce45a7SNikolay Aleksandrov } 1283a7ce45a7SNikolay Aleksandrov 128437b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 128537b090e6SNikolay Aleksandrov struct sk_buff *skb, 1286adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 128737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 12885cb5e947SHerbert Xu { 12895cb5e947SHerbert Xu } 12905cb5e947SHerbert Xu 1291adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1292bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1293eb1d1641SHerbert Xu { 129403aaa9e2SGustavo A. R. Silva return false; 1295eb1d1641SHerbert Xu } 129637b090e6SNikolay Aleksandrov 1297adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1298c43fd36fSVladimir Oltean struct ethhdr *eth, 1299c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1300b00589afSLinus Lüssing { 1301b00589afSLinus Lüssing return false; 1302b00589afSLinus Lüssing } 130337b090e6SNikolay Aleksandrov 1304fdb184d1SRami Rosen static inline void br_mdb_init(void) 1305fdb184d1SRami Rosen { 1306fdb184d1SRami Rosen } 130737b090e6SNikolay Aleksandrov 1308fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1309fdb184d1SRami Rosen { 1310fdb184d1SRami Rosen } 13111080ab95SNikolay Aleksandrov 131219e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 131319e3a9c9SNikolay Aleksandrov { 131419e3a9c9SNikolay Aleksandrov return 0; 131519e3a9c9SNikolay Aleksandrov } 131619e3a9c9SNikolay Aleksandrov 131719e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 131819e3a9c9SNikolay Aleksandrov { 131919e3a9c9SNikolay Aleksandrov } 132019e3a9c9SNikolay Aleksandrov 13211080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13221080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1323a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1324a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13251080ab95SNikolay Aleksandrov { 13261080ab95SNikolay Aleksandrov } 13271080ab95SNikolay Aleksandrov 13281080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13291080ab95SNikolay Aleksandrov { 13301080ab95SNikolay Aleksandrov return 0; 13311080ab95SNikolay Aleksandrov } 13321080ab95SNikolay Aleksandrov 1333b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1334b6fe0440SIdo Schimmel { 1335b6fe0440SIdo Schimmel } 1336b6fe0440SIdo Schimmel 13371080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13381080ab95SNikolay Aleksandrov { 13391080ab95SNikolay Aleksandrov return 0; 13401080ab95SNikolay Aleksandrov } 1341613d61dbSNikolay Aleksandrov 1342613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1343613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1344613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1345613d61dbSNikolay Aleksandrov { 1346613d61dbSNikolay Aleksandrov } 1347613d61dbSNikolay Aleksandrov 1348613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1349613d61dbSNikolay Aleksandrov { 1350613d61dbSNikolay Aleksandrov } 1351613d61dbSNikolay Aleksandrov 1352613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1353613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1354613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1355613d61dbSNikolay Aleksandrov { 1356613d61dbSNikolay Aleksandrov } 1357613d61dbSNikolay Aleksandrov 1358613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1359613d61dbSNikolay Aleksandrov { 1360613d61dbSNikolay Aleksandrov } 13617b54aaafSNikolay Aleksandrov 13627b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13637b54aaafSNikolay Aleksandrov bool on) 13647b54aaafSNikolay Aleksandrov { 13657b54aaafSNikolay Aleksandrov } 1366f4b7002aSNikolay Aleksandrov 1367f4b7002aSNikolay Aleksandrov static inline void br_multicast_toggle_vlan(struct net_bridge_vlan *vlan, 1368f4b7002aSNikolay Aleksandrov bool on) 1369f4b7002aSNikolay Aleksandrov { 1370f4b7002aSNikolay Aleksandrov } 1371f4b7002aSNikolay Aleksandrov 1372f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1373f4b7002aSNikolay Aleksandrov bool on, 1374f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1375f4b7002aSNikolay Aleksandrov { 1376f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1377f4b7002aSNikolay Aleksandrov } 13789dee572cSNikolay Aleksandrov 13799dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13809dee572cSNikolay Aleksandrov bool on) 13819dee572cSNikolay Aleksandrov { 13829dee572cSNikolay Aleksandrov return false; 13839dee572cSNikolay Aleksandrov } 13844e51bf44SVladimir Oltean 13854e51bf44SVladimir Oltean static inline int br_mdb_replay(struct net_device *br_dev, 13864e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 13874e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 13884e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 13894e51bf44SVladimir Oltean { 13904e51bf44SVladimir Oltean return -EOPNOTSUPP; 13914e51bf44SVladimir Oltean } 1392df271cd6SNikolay Aleksandrov 1393df271cd6SNikolay Aleksandrov static inline bool 1394df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1395df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1396df271cd6SNikolay Aleksandrov { 1397df271cd6SNikolay Aleksandrov return true; 1398df271cd6SNikolay Aleksandrov } 139985b35269SSridhar Samudrala #endif 1400eb1d1641SHerbert Xu 1401243a2e63SVlad Yasevich /* br_vlan.c */ 1402243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 140377751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 140477751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1405f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1406f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 140777751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 140885f46c6bSVlad Yasevich const struct sk_buff *skb); 1409e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1410348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 141111538d03SRoopa Prabhu const struct net_bridge_port *port, 14122594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 141378851988SVlad Yasevich struct sk_buff *skb); 1414f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1415169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1416348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1417348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14182594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1419204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14209e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14219e781401SVladimir Oltean struct netlink_ext_ack *extack); 1422dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1423dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14249e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14259e781401SVladimir Oltean struct netlink_ext_ack *extack); 14266dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14279163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14285be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14299e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14309e781401SVladimir Oltean struct netlink_ext_ack *extack); 1431169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1432169327d5SPetr Machata struct netlink_ext_ack *extack); 1433f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1434169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1435348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1436348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1437169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14382594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1439a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1440281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14419c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1442091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14439c0ec2e7SMike Manning void *ptr); 14448dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14458dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1446cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1447cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1448cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1449cf5bddb9SNikolay Aleksandrov int cmd); 14504e51bf44SVladimir Oltean int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, 14514e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 14524e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 1453a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1454a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1455a37b85c9SVlad Yasevich 1456bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1457bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1458bcf2766bSFelix Fietkau struct net_device_path *path); 1459bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1460bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1461bcf2766bSFelix Fietkau struct net_device_path *path); 1462bcf2766bSFelix Fietkau 14632594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1464a37b85c9SVlad Yasevich const struct net_bridge *br) 1465a37b85c9SVlad Yasevich { 1466907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1467a37b85c9SVlad Yasevich } 1468a37b85c9SVlad Yasevich 14692594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1470a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1471a37b85c9SVlad Yasevich { 1472907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1473907b1e6eSNikolay Aleksandrov } 1474907b1e6eSNikolay Aleksandrov 1475907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1476907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1477907b1e6eSNikolay Aleksandrov { 1478907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1479907b1e6eSNikolay Aleksandrov } 1480907b1e6eSNikolay Aleksandrov 1481907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1482907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1483907b1e6eSNikolay Aleksandrov { 1484907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1485a37b85c9SVlad Yasevich } 1486a37b85c9SVlad Yasevich 1487a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1488a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1489a37b85c9SVlad Yasevich */ 1490a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1491a37b85c9SVlad Yasevich { 1492a37b85c9SVlad Yasevich int err = 0; 1493a37b85c9SVlad Yasevich 14942594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 14955978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 14962594e906SNikolay Aleksandrov } else { 1497a37b85c9SVlad Yasevich *vid = 0; 1498a37b85c9SVlad Yasevich err = -EINVAL; 1499a37b85c9SVlad Yasevich } 1500a37b85c9SVlad Yasevich 1501a37b85c9SVlad Yasevich return err; 1502a37b85c9SVlad Yasevich } 150378851988SVlad Yasevich 150477751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 150578851988SVlad Yasevich { 150677751ee8SNikolay Aleksandrov if (!vg) 15075be5a2dfSVlad Yasevich return 0; 15085be5a2dfSVlad Yasevich 150978851988SVlad Yasevich smp_rmb(); 151077751ee8SNikolay Aleksandrov return vg->pvid; 151178851988SVlad Yasevich } 151278851988SVlad Yasevich 15138dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15148dcea187SNikolay Aleksandrov { 15158dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15168dcea187SNikolay Aleksandrov } 1517243a2e63SVlad Yasevich #else 151877751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 151977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15202594e906SNikolay Aleksandrov struct sk_buff *skb, 1521f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1522f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1523f4b7002aSNikolay Aleksandrov 15242594e906SNikolay Aleksandrov { 1525f4b7002aSNikolay Aleksandrov *vlan = NULL; 15262594e906SNikolay Aleksandrov return true; 15272594e906SNikolay Aleksandrov } 15282594e906SNikolay Aleksandrov 15292594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 153085f46c6bSVlad Yasevich const struct sk_buff *skb) 153185f46c6bSVlad Yasevich { 153285f46c6bSVlad Yasevich return true; 153385f46c6bSVlad Yasevich } 153485f46c6bSVlad Yasevich 1535e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1536e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1537e0d7968aSToshiaki Makita { 1538e0d7968aSToshiaki Makita return true; 1539e0d7968aSToshiaki Makita } 1540e0d7968aSToshiaki Makita 154178851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 154211538d03SRoopa Prabhu const struct net_bridge_port *port, 15432594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 154478851988SVlad Yasevich struct sk_buff *skb) 154578851988SVlad Yasevich { 154678851988SVlad Yasevich return skb; 154778851988SVlad Yasevich } 154878851988SVlad Yasevich 1549f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1550169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1551243a2e63SVlad Yasevich { 1552f418af63SNikolay Aleksandrov *changed = false; 1553243a2e63SVlad Yasevich return -EOPNOTSUPP; 1554243a2e63SVlad Yasevich } 1555243a2e63SVlad Yasevich 1556243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1557243a2e63SVlad Yasevich { 1558243a2e63SVlad Yasevich return -EOPNOTSUPP; 1559243a2e63SVlad Yasevich } 1560243a2e63SVlad Yasevich 1561243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1562243a2e63SVlad Yasevich { 1563243a2e63SVlad Yasevich } 1564243a2e63SVlad Yasevich 1565204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1566204177f3SToshiaki Makita { 1567204177f3SToshiaki Makita } 1568204177f3SToshiaki Makita 15695be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15708580e211SToshiaki Makita { 15715be5a2dfSVlad Yasevich return 0; 15728580e211SToshiaki Makita } 15738580e211SToshiaki Makita 1574f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1575169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1576243a2e63SVlad Yasevich { 1577f418af63SNikolay Aleksandrov *changed = false; 1578243a2e63SVlad Yasevich return -EOPNOTSUPP; 1579243a2e63SVlad Yasevich } 1580243a2e63SVlad Yasevich 1581243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1582243a2e63SVlad Yasevich { 1583243a2e63SVlad Yasevich return -EOPNOTSUPP; 1584243a2e63SVlad Yasevich } 1585243a2e63SVlad Yasevich 1586243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1587243a2e63SVlad Yasevich { 1588243a2e63SVlad Yasevich } 1589243a2e63SVlad Yasevich 15902594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 15912594e906SNikolay Aleksandrov u16 vid) 1592a37b85c9SVlad Yasevich { 1593a37b85c9SVlad Yasevich return NULL; 1594a37b85c9SVlad Yasevich } 1595bc9a25d2SVlad Yasevich 1596169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1597169327d5SPetr Machata struct netlink_ext_ack *extack) 15985be5a2dfSVlad Yasevich { 15995be5a2dfSVlad Yasevich return 0; 16005be5a2dfSVlad Yasevich } 16015be5a2dfSVlad Yasevich 160278851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1603a37b85c9SVlad Yasevich { 1604a37b85c9SVlad Yasevich return 0; 1605a37b85c9SVlad Yasevich } 16062594e906SNikolay Aleksandrov 160777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 160878851988SVlad Yasevich { 16093df6bf45SVlad Yasevich return 0; 161078851988SVlad Yasevich } 16112796d0c6SVlad Yasevich 16127a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1613c97f47e3SVladimir Oltean unsigned long val, 1614c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1615a7854037SNikolay Aleksandrov { 1616a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1617a7854037SNikolay Aleksandrov } 16182594e906SNikolay Aleksandrov 16192594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16202594e906SNikolay Aleksandrov u32 filter_mask) 16212594e906SNikolay Aleksandrov { 16222594e906SNikolay Aleksandrov return 0; 16232594e906SNikolay Aleksandrov } 16242594e906SNikolay Aleksandrov 1625bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1626bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1627bcf2766bSFelix Fietkau struct net_device_path *path) 1628bcf2766bSFelix Fietkau { 1629bcf2766bSFelix Fietkau } 1630bcf2766bSFelix Fietkau 1631bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1632bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1633bcf2766bSFelix Fietkau struct net_device_path *path) 1634bcf2766bSFelix Fietkau { 1635bcf2766bSFelix Fietkau return 0; 1636bcf2766bSFelix Fietkau } 1637bcf2766bSFelix Fietkau 16382594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16392594e906SNikolay Aleksandrov const struct net_bridge *br) 16402594e906SNikolay Aleksandrov { 16412594e906SNikolay Aleksandrov return NULL; 16422594e906SNikolay Aleksandrov } 16432594e906SNikolay Aleksandrov 16442594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16452594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16462594e906SNikolay Aleksandrov { 16472594e906SNikolay Aleksandrov return NULL; 16482594e906SNikolay Aleksandrov } 1649907b1e6eSNikolay Aleksandrov 1650907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1651907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1652907b1e6eSNikolay Aleksandrov { 1653907b1e6eSNikolay Aleksandrov return NULL; 1654907b1e6eSNikolay Aleksandrov } 1655907b1e6eSNikolay Aleksandrov 1656907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1657907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1658907b1e6eSNikolay Aleksandrov { 1659907b1e6eSNikolay Aleksandrov return NULL; 1660907b1e6eSNikolay Aleksandrov } 1661a60c0903SNikolay Aleksandrov 1662a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1663281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1664a60c0903SNikolay Aleksandrov { 1665a60c0903SNikolay Aleksandrov } 16669c0ec2e7SMike Manning 16679c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16689c0ec2e7SMike Manning unsigned long event) 16699c0ec2e7SMike Manning { 16709c0ec2e7SMike Manning } 16719c0ec2e7SMike Manning 1672091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16739c0ec2e7SMike Manning unsigned long event, void *ptr) 16749c0ec2e7SMike Manning { 1675091adf9bSNikolay Aleksandrov return 0; 16769c0ec2e7SMike Manning } 16778dcea187SNikolay Aleksandrov 16788dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16798dcea187SNikolay Aleksandrov { 16808dcea187SNikolay Aleksandrov } 16818dcea187SNikolay Aleksandrov 16828dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16838dcea187SNikolay Aleksandrov { 16848dcea187SNikolay Aleksandrov } 1685cf5bddb9SNikolay Aleksandrov 1686cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1687cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1688cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1689cf5bddb9SNikolay Aleksandrov int cmd) 1690cf5bddb9SNikolay Aleksandrov { 1691cf5bddb9SNikolay Aleksandrov } 1692528ae84aSNikolay Aleksandrov 1693528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1694528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1695528ae84aSNikolay Aleksandrov { 1696528ae84aSNikolay Aleksandrov return true; 1697528ae84aSNikolay Aleksandrov } 16984e51bf44SVladimir Oltean 16994e51bf44SVladimir Oltean static inline int br_vlan_replay(struct net_device *br_dev, 17004e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 17014e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 17024e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 17034e51bf44SVladimir Oltean { 17044e51bf44SVladimir Oltean return -EOPNOTSUPP; 17054e51bf44SVladimir Oltean } 1706243a2e63SVlad Yasevich #endif 1707243a2e63SVlad Yasevich 17087a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17097a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 171099f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 171199f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17127a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17137a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1714a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1715a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1716a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1717a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1718a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1719a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 172047ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 172147ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 172247ecd2dbSNikolay Aleksandrov int cmd, 172347ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1724743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1725743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1726743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1727743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1728a580c76dSNikolay Aleksandrov 1729a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1730a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1731a580c76dSNikolay Aleksandrov { 1732a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1733a580c76dSNikolay Aleksandrov } 1734a580c76dSNikolay Aleksandrov 1735a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1736a580c76dSNikolay Aleksandrov { 1737a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1738a580c76dSNikolay Aleksandrov } 1739a580c76dSNikolay Aleksandrov 1740a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1741a580c76dSNikolay Aleksandrov { 1742a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1743a580c76dSNikolay Aleksandrov } 1744a580c76dSNikolay Aleksandrov 1745a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1746a580c76dSNikolay Aleksandrov u8 state) 1747a580c76dSNikolay Aleksandrov { 1748a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1749a580c76dSNikolay Aleksandrov } 1750a580c76dSNikolay Aleksandrov 1751a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1752a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1753a580c76dSNikolay Aleksandrov { 1754a580c76dSNikolay Aleksandrov switch (state) { 1755a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1756a580c76dSNikolay Aleksandrov return learn_allow; 1757a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1758a580c76dSNikolay Aleksandrov return true; 1759a580c76dSNikolay Aleksandrov default: 1760a580c76dSNikolay Aleksandrov return false; 1761a580c76dSNikolay Aleksandrov } 1762a580c76dSNikolay Aleksandrov } 17637a53e718SNikolay Aleksandrov #endif 17647a53e718SNikolay Aleksandrov 17651a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17661a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17671a4ba64dSPablo Neira Ayuso }; 17681a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17691a4ba64dSPablo Neira Ayuso 17701da177e4SLinus Torvalds /* br_netfilter.c */ 177134666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 177234666d46SPablo Neira Ayuso int br_nf_core_init(void); 177334666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1774348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1775c0909713SStephen Hemminger #else 177634666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 177734666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17784adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1779c0909713SStephen Hemminger #endif 17801da177e4SLinus Torvalds 17811da177e4SLinus Torvalds /* br_stp.c */ 1782775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1783348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1784348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1785348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 17861da177e4SLinus Torvalds 1787348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1788348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1789348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1790348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 179182dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 17929e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 179314f98f25Sstephen hemminger 179414f98f25Sstephen hemminger 17951da177e4SLinus Torvalds /* br_stp_if.c */ 1796348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1797348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1798419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1799419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1800348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1801348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1802348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1803348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1804348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1805348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1806348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1807348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18081da177e4SLinus Torvalds 18091da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18107c85fbf0SPatrick McHardy struct stp_proto; 1811348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18127c85fbf0SPatrick McHardy struct net_device *dev); 18131da177e4SLinus Torvalds 18141da177e4SLinus Torvalds /* br_stp_timer.c */ 1815348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1816348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1817348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18181da177e4SLinus Torvalds 18191da177e4SLinus Torvalds /* br.c */ 1820e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1821da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1822da678292SMichał Mirosław #endif 18231da177e4SLinus Torvalds 182465369933SHoratiu Vultur /* br_mrp.c */ 182565369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 182665369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 182765369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 182865369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 182965369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1830df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 183165369933SHoratiu Vultur #else 183265369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 183365369933SHoratiu Vultur struct nlattr *attr, int cmd, 183465369933SHoratiu Vultur struct netlink_ext_ack *extack) 183565369933SHoratiu Vultur { 183665369933SHoratiu Vultur return -EOPNOTSUPP; 183765369933SHoratiu Vultur } 183865369933SHoratiu Vultur 183965369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 184065369933SHoratiu Vultur { 18418741e184SJason Yan return false; 184265369933SHoratiu Vultur } 184365369933SHoratiu Vultur 184465369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 184565369933SHoratiu Vultur struct net_bridge_port *p) 184665369933SHoratiu Vultur { 184765369933SHoratiu Vultur } 1848df42ef22SHoratiu Vultur 1849df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1850df42ef22SHoratiu Vultur { 1851df42ef22SHoratiu Vultur return 0; 1852df42ef22SHoratiu Vultur } 1853df42ef22SHoratiu Vultur 185465369933SHoratiu Vultur #endif 185565369933SHoratiu Vultur 18562be665c3SHenrik Bjoernlund /* br_cfm.c */ 185786a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18582be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18592be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18602be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 186186a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18625e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1863b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1864b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1865b6d0425bSHenrik Bjoernlund bool getlink); 1866b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1867b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 186886a14b79SHenrik Bjoernlund #else 18692be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18702be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18712be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18722be665c3SHenrik Bjoernlund { 18732be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18742be665c3SHenrik Bjoernlund } 18752be665c3SHenrik Bjoernlund 18762be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18772be665c3SHenrik Bjoernlund { 18782be665c3SHenrik Bjoernlund return false; 18792be665c3SHenrik Bjoernlund } 18802be665c3SHenrik Bjoernlund 188186a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 188286a14b79SHenrik Bjoernlund struct net_bridge_port *p) 188386a14b79SHenrik Bjoernlund { 188486a14b79SHenrik Bjoernlund } 18855e312fc0SHenrik Bjoernlund 18865e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 18875e312fc0SHenrik Bjoernlund { 18885e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 18895e312fc0SHenrik Bjoernlund } 1890e77824d8SHenrik Bjoernlund 1891b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1892b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1893b6d0425bSHenrik Bjoernlund bool getlink) 1894b6d0425bSHenrik Bjoernlund { 1895b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1896b6d0425bSHenrik Bjoernlund } 1897b6d0425bSHenrik Bjoernlund 1898b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1899b6d0425bSHenrik Bjoernlund { 1900b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1901b6d0425bSHenrik Bjoernlund } 1902b6d0425bSHenrik Bjoernlund 1903b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1904e77824d8SHenrik Bjoernlund { 1905e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1906e77824d8SHenrik Bjoernlund } 190786a14b79SHenrik Bjoernlund #endif 190886a14b79SHenrik Bjoernlund 190911dc1f36SStephen Hemminger /* br_netlink.c */ 1910149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1911348662a1SJoe Perches int br_netlink_init(void); 1912348662a1SJoe Perches void br_netlink_fini(void); 191392899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 191492899063SNikolay Aleksandrov const struct net_bridge_port *port); 1915b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1916b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19172fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19182fd527b7SPetr Machata struct netlink_ext_ack *extack); 1919add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1920348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 192146c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1922f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1923f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1924f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1925f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1926f26b2965SNikolay Aleksandrov bool *changed, 1927f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 192811dc1f36SStephen Hemminger 19291da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19301da177e4SLinus Torvalds /* br_sysfs_if.c */ 193152cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1932348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1933348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19341da177e4SLinus Torvalds 19351da177e4SLinus Torvalds /* br_sysfs_br.c */ 1936348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1937348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19381da177e4SLinus Torvalds 19391da177e4SLinus Torvalds #else 19401da177e4SLinus Torvalds 19410cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19420cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19430cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19440cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19451da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19461da177e4SLinus Torvalds 19476bc506b4SIdo Schimmel /* br_switchdev.c */ 19486bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1949957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1950957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1951957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1952957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1953957e2235SVladimir Oltean bool tx_fwd_offload, 1954957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1955957e2235SVladimir Oltean 1956957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1957957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1958957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1959957e2235SVladimir Oltean 196047211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 196147211192STobias Waldekranz 1962c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1963c5381154SVladimir Oltean 196447211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 196547211192STobias Waldekranz struct sk_buff *skb); 196647211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 196747211192STobias Waldekranz struct sk_buff *skb); 19686bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19696bc506b4SIdo Schimmel struct sk_buff *skb); 19706bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19716bc506b4SIdo Schimmel const struct sk_buff *skb); 19723922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19733922285dSArkadi Sharshevsky unsigned long flags, 1974078bbb85SVladimir Oltean unsigned long mask, 1975078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19766eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19776eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1978169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1979169327d5SPetr Machata struct netlink_ext_ack *extack); 1980d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 198185826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1982f1c2eddfSIdo Schimmel 1983f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1984f1c2eddfSIdo Schimmel { 1985f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1986f1c2eddfSIdo Schimmel } 19876bc506b4SIdo Schimmel #else 1988957e2235SVladimir Oltean static inline int 1989957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 1990957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1991957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1992957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1993957e2235SVladimir Oltean bool tx_fwd_offload, 1994957e2235SVladimir Oltean struct netlink_ext_ack *extack) 1995957e2235SVladimir Oltean { 1996957e2235SVladimir Oltean return -EOPNOTSUPP; 1997957e2235SVladimir Oltean } 1998957e2235SVladimir Oltean 1999957e2235SVladimir Oltean static inline void 2000957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2001957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2002957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2003957e2235SVladimir Oltean { 2004957e2235SVladimir Oltean } 2005957e2235SVladimir Oltean 200647211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 200747211192STobias Waldekranz { 200847211192STobias Waldekranz return false; 200947211192STobias Waldekranz } 201047211192STobias Waldekranz 2011c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2012c5381154SVladimir Oltean { 2013c5381154SVladimir Oltean } 2014c5381154SVladimir Oltean 201547211192STobias Waldekranz static inline void 201647211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 201747211192STobias Waldekranz struct sk_buff *skb) 201847211192STobias Waldekranz { 201947211192STobias Waldekranz } 202047211192STobias Waldekranz 202147211192STobias Waldekranz static inline void 202247211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 202347211192STobias Waldekranz struct sk_buff *skb) 202447211192STobias Waldekranz { 202547211192STobias Waldekranz } 202647211192STobias Waldekranz 20276bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20286bc506b4SIdo Schimmel struct sk_buff *skb) 20296bc506b4SIdo Schimmel { 20306bc506b4SIdo Schimmel } 20316bc506b4SIdo Schimmel 20326bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20336bc506b4SIdo Schimmel const struct sk_buff *skb) 20346bc506b4SIdo Schimmel { 20356bc506b4SIdo Schimmel return true; 20366bc506b4SIdo Schimmel } 20373922285dSArkadi Sharshevsky 20383922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20393922285dSArkadi Sharshevsky unsigned long flags, 2040078bbb85SVladimir Oltean unsigned long mask, 2041078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20423922285dSArkadi Sharshevsky { 20433922285dSArkadi Sharshevsky return 0; 20443922285dSArkadi Sharshevsky } 20456b26b51bSArkadi Sharshevsky 2046d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2047169327d5SPetr Machata u16 vid, u16 flags, 2048169327d5SPetr Machata struct netlink_ext_ack *extack) 2049d66e4348SPetr Machata { 2050d66e4348SPetr Machata return -EOPNOTSUPP; 2051d66e4348SPetr Machata } 2052d66e4348SPetr Machata 2053d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2054d66e4348SPetr Machata { 2055d66e4348SPetr Machata return -EOPNOTSUPP; 2056d66e4348SPetr Machata } 2057d66e4348SPetr Machata 20586b26b51bSArkadi Sharshevsky static inline void 20596eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20606eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20616b26b51bSArkadi Sharshevsky { 20626b26b51bSArkadi Sharshevsky } 2063f1c2eddfSIdo Schimmel 2064f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2065f1c2eddfSIdo Schimmel { 2066f1c2eddfSIdo Schimmel } 206785826610STobias Waldekranz 206885826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 206985826610STobias Waldekranz { 207085826610STobias Waldekranz } 207185826610STobias Waldekranz 20726bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20736bc506b4SIdo Schimmel 2074057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2075821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2076057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2077057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2078ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2079ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2080ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20811da177e4SLinus Torvalds #endif 2082