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; 842cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 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, 7730541a629SVladimir Oltean const unsigned char *addr, u16 vid, bool is_local, 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); 880348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, 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); 884348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, 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); 9484e51bf44SVladimir Oltean 949955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 950955062b0SNikolay Aleksandrov { 951955062b0SNikolay Aleksandrov return group->proto == 0; 952955062b0SNikolay Aleksandrov } 953955062b0SNikolay Aleksandrov 954cfd56754SCong Wang #define mlock_dereference(X, br) \ 955cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 956cfd56754SCong Wang 95744ebb081SLinus Lüssing static inline struct hlist_node * 958adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 959adc47037SNikolay Aleksandrov struct sk_buff *skb) 960d3d065c0SNikolay Aleksandrov { 961a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 962a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 963d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 964a3c02e76SLinus Lüssing #endif 965d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 96644ebb081SLinus Lüssing } 96744ebb081SLinus Lüssing 96844ebb081SLinus Lüssing static inline struct net_bridge_port * 969d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 970d3d065c0SNikolay Aleksandrov { 9719632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9729632233eSNikolay Aleksandrov 973a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 974a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9759632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9769632233eSNikolay Aleksandrov ip6_rlist); 9779632233eSNikolay Aleksandrov else 978a3c02e76SLinus Lüssing #endif 9799632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9809632233eSNikolay Aleksandrov ip4_rlist); 9819632233eSNikolay Aleksandrov 9829632233eSNikolay Aleksandrov if (mctx) 9839632233eSNikolay Aleksandrov return mctx->port; 9849632233eSNikolay Aleksandrov else 9859632233eSNikolay Aleksandrov return NULL; 98644ebb081SLinus Lüssing } 98744ebb081SLinus Lüssing 988d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 98985b35269SSridhar Samudrala { 990d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 9911a3065a2SLinus Lüssing } 9921a3065a2SLinus Lüssing 993d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 9941a3065a2SLinus Lüssing { 9951a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 996d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 9971a3065a2SLinus Lüssing #else 9981a3065a2SLinus Lüssing return false; 9991a3065a2SLinus Lüssing #endif 10001a3065a2SLinus Lüssing } 10011a3065a2SLinus Lüssing 10021a3065a2SLinus Lüssing static inline bool 1003adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10041a3065a2SLinus Lüssing { 1005d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10061a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10071a3065a2SLinus Lüssing return true; 10081a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10091a3065a2SLinus Lüssing if (skb) { 10101a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1011d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10121a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1013d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10141a3065a2SLinus Lüssing } else { 1015d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1016d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10171a3065a2SLinus Lüssing } 10181a3065a2SLinus Lüssing fallthrough; 10191a3065a2SLinus Lüssing default: 10201a3065a2SLinus Lüssing return false; 10211a3065a2SLinus Lüssing } 102285b35269SSridhar Samudrala } 1023b00589afSLinus Lüssing 1024cc0fdd80SLinus Lüssing static inline bool 1025adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10260888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10270888d5f3Sdaniel const bool is_ipv6) 1028b00589afSLinus Lüssing { 10290888d5f3Sdaniel bool own_querier_enabled; 10300888d5f3Sdaniel 10314d5b4e84SNikolay Aleksandrov if (READ_ONCE(brmctx->multicast_querier)) { 1032adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10330888d5f3Sdaniel own_querier_enabled = false; 10340888d5f3Sdaniel else 10350888d5f3Sdaniel own_querier_enabled = true; 10360888d5f3Sdaniel } else { 10370888d5f3Sdaniel own_querier_enabled = false; 10380888d5f3Sdaniel } 10390888d5f3Sdaniel 1040cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10410888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1042cc0fdd80SLinus Lüssing } 1043cc0fdd80SLinus Lüssing 1044adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1045955062b0SNikolay Aleksandrov struct ethhdr *eth, 1046955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1047cc0fdd80SLinus Lüssing { 1048cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1049cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1050adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1051adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1052cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1053cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1054adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1055adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1056cc0fdd80SLinus Lüssing #endif 1057cc0fdd80SLinus Lüssing default: 1058955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1059cc0fdd80SLinus Lüssing } 1060b00589afSLinus Lüssing } 10611080ab95SNikolay Aleksandrov 106288d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 106388d4bd18SNikolay Aleksandrov { 106488d4bd18SNikolay Aleksandrov switch (ip->proto) { 106588d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 106688d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 106788d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 106888d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 106988d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 107088d4bd18SNikolay Aleksandrov #endif 107188d4bd18SNikolay Aleksandrov default: 107288d4bd18SNikolay Aleksandrov return false; 107388d4bd18SNikolay Aleksandrov } 107488d4bd18SNikolay Aleksandrov } 107588d4bd18SNikolay Aleksandrov 1076adc47037SNikolay Aleksandrov static inline bool 1077adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10788266a049SNikolay Aleksandrov __be16 proto) 10798266a049SNikolay Aleksandrov { 10808266a049SNikolay Aleksandrov switch (proto) { 10818266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1082adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 10838266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 10848266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1085adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 10868266a049SNikolay Aleksandrov #endif 10878266a049SNikolay Aleksandrov default: 10888266a049SNikolay Aleksandrov return false; 10898266a049SNikolay Aleksandrov } 10908266a049SNikolay Aleksandrov } 10918266a049SNikolay Aleksandrov 10921080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 10931080ab95SNikolay Aleksandrov { 10941080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 10951080ab95SNikolay Aleksandrov } 109642c11ccfSNikolay Aleksandrov 1097adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 109842c11ccfSNikolay Aleksandrov { 1099adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1100adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 110142c11ccfSNikolay Aleksandrov } 11020436862eSNikolay Aleksandrov 1103adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11040436862eSNikolay Aleksandrov { 11050436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 1106adc47037SNikolay Aleksandrov return 2 * brmctx->multicast_query_interval + 1107adc47037SNikolay Aleksandrov brmctx->multicast_query_response_interval; 11080436862eSNikolay Aleksandrov } 11097b54aaafSNikolay Aleksandrov 11107b54aaafSNikolay Aleksandrov static inline bool 11117b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11127b54aaafSNikolay Aleksandrov { 11137b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11147b54aaafSNikolay Aleksandrov } 11157b54aaafSNikolay Aleksandrov 11167b54aaafSNikolay Aleksandrov static inline bool 11177b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11187b54aaafSNikolay Aleksandrov { 11197b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11207b54aaafSNikolay Aleksandrov } 11217b54aaafSNikolay Aleksandrov 11227b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11237b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11247b54aaafSNikolay Aleksandrov { 11257b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11267b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11277b54aaafSNikolay Aleksandrov else 11287b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11297b54aaafSNikolay Aleksandrov } 11307b54aaafSNikolay Aleksandrov 11317b54aaafSNikolay Aleksandrov static inline bool 11327b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11337b54aaafSNikolay Aleksandrov { 1134f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1135f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11367b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11377b54aaafSNikolay Aleksandrov } 11387b54aaafSNikolay Aleksandrov 11397b54aaafSNikolay Aleksandrov static inline bool 11407b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11417b54aaafSNikolay Aleksandrov { 11427b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11437b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11447b54aaafSNikolay Aleksandrov } 11457b54aaafSNikolay Aleksandrov 11467b54aaafSNikolay Aleksandrov static inline bool 11477b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11487b54aaafSNikolay Aleksandrov { 11497b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11507b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11517b54aaafSNikolay Aleksandrov } 11524cdd0d10SNikolay Aleksandrov 11534cdd0d10SNikolay Aleksandrov static inline bool 11544cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11554cdd0d10SNikolay Aleksandrov { 11564cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11574cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11584cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11594cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11604cdd0d10SNikolay Aleksandrov } 11614cdd0d10SNikolay Aleksandrov 11624cdd0d10SNikolay Aleksandrov static inline bool 11634cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11644cdd0d10SNikolay Aleksandrov { 11654cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11664cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11674cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11684cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11694cdd0d10SNikolay Aleksandrov } 1170df271cd6SNikolay Aleksandrov 1171df271cd6SNikolay Aleksandrov static inline bool 1172df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1173df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1174df271cd6SNikolay Aleksandrov { 1175df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1176df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1177931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1178931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 117950725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 118050725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 118177f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 118277f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 11832da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 11842da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1185cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1186cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1187d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1188d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 118942521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 119042521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1191941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1192941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 1193df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1194df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1195df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1196df271cd6SNikolay Aleksandrov #endif 1197df271cd6SNikolay Aleksandrov true; 1198df271cd6SNikolay Aleksandrov } 1199*cb486ce9SNikolay Aleksandrov 1200*cb486ce9SNikolay Aleksandrov static inline bool 1201*cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1202*cb486ce9SNikolay Aleksandrov { 1203*cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1204*cb486ce9SNikolay Aleksandrov 1205*cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1206*cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1207*cb486ce9SNikolay Aleksandrov 1208*cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1209*cb486ce9SNikolay Aleksandrov } 1210eb1d1641SHerbert Xu #else 1211f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1212f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1213f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 121406499098SVlad Yasevich struct sk_buff *skb, 121506499098SVlad Yasevich u16 vid) 1216eb1d1641SHerbert Xu { 1217eb1d1641SHerbert Xu return 0; 1218eb1d1641SHerbert Xu } 1219eb1d1641SHerbert Xu 1220adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1221fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1222eb1d1641SHerbert Xu { 1223eb1d1641SHerbert Xu return NULL; 1224eb1d1641SHerbert Xu } 1225eb1d1641SHerbert Xu 12261080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1227eb1d1641SHerbert Xu { 12281080ab95SNikolay Aleksandrov return 0; 1229eb1d1641SHerbert Xu } 1230eb1d1641SHerbert Xu 1231eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1232eb1d1641SHerbert Xu { 1233eb1d1641SHerbert Xu } 1234eb1d1641SHerbert Xu 1235eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1236eb1d1641SHerbert Xu { 1237eb1d1641SHerbert Xu } 1238eb1d1641SHerbert Xu 1239eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1240eb1d1641SHerbert Xu { 1241eb1d1641SHerbert Xu } 1242eb1d1641SHerbert Xu 1243eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1244eb1d1641SHerbert Xu { 1245eb1d1641SHerbert Xu } 1246eb1d1641SHerbert Xu 1247851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1248851d0a73SJoseph Huang { 1249851d0a73SJoseph Huang } 1250851d0a73SJoseph Huang 1251851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1252851d0a73SJoseph Huang { 1253851d0a73SJoseph Huang } 1254851d0a73SJoseph Huang 1255eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1256eb1d1641SHerbert Xu { 1257eb1d1641SHerbert Xu } 1258eb1d1641SHerbert Xu 1259eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1260eb1d1641SHerbert Xu { 1261eb1d1641SHerbert Xu } 12625cb5e947SHerbert Xu 1263a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1264a7ce45a7SNikolay Aleksandrov { 1265a7ce45a7SNikolay Aleksandrov } 1266a7ce45a7SNikolay Aleksandrov 126737b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 126837b090e6SNikolay Aleksandrov struct sk_buff *skb, 1269adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 127037b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 12715cb5e947SHerbert Xu { 12725cb5e947SHerbert Xu } 12735cb5e947SHerbert Xu 1274adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1275bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1276eb1d1641SHerbert Xu { 127703aaa9e2SGustavo A. R. Silva return false; 1278eb1d1641SHerbert Xu } 127937b090e6SNikolay Aleksandrov 1280adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1281c43fd36fSVladimir Oltean struct ethhdr *eth, 1282c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1283b00589afSLinus Lüssing { 1284b00589afSLinus Lüssing return false; 1285b00589afSLinus Lüssing } 128637b090e6SNikolay Aleksandrov 1287fdb184d1SRami Rosen static inline void br_mdb_init(void) 1288fdb184d1SRami Rosen { 1289fdb184d1SRami Rosen } 129037b090e6SNikolay Aleksandrov 1291fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1292fdb184d1SRami Rosen { 1293fdb184d1SRami Rosen } 12941080ab95SNikolay Aleksandrov 129519e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 129619e3a9c9SNikolay Aleksandrov { 129719e3a9c9SNikolay Aleksandrov return 0; 129819e3a9c9SNikolay Aleksandrov } 129919e3a9c9SNikolay Aleksandrov 130019e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 130119e3a9c9SNikolay Aleksandrov { 130219e3a9c9SNikolay Aleksandrov } 130319e3a9c9SNikolay Aleksandrov 13041080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13051080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1306a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1307a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13081080ab95SNikolay Aleksandrov { 13091080ab95SNikolay Aleksandrov } 13101080ab95SNikolay Aleksandrov 13111080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13121080ab95SNikolay Aleksandrov { 13131080ab95SNikolay Aleksandrov return 0; 13141080ab95SNikolay Aleksandrov } 13151080ab95SNikolay Aleksandrov 1316b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1317b6fe0440SIdo Schimmel { 1318b6fe0440SIdo Schimmel } 1319b6fe0440SIdo Schimmel 13201080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13211080ab95SNikolay Aleksandrov { 13221080ab95SNikolay Aleksandrov return 0; 13231080ab95SNikolay Aleksandrov } 1324613d61dbSNikolay Aleksandrov 1325613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1326613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1327613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1328613d61dbSNikolay Aleksandrov { 1329613d61dbSNikolay Aleksandrov } 1330613d61dbSNikolay Aleksandrov 1331613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1332613d61dbSNikolay Aleksandrov { 1333613d61dbSNikolay Aleksandrov } 1334613d61dbSNikolay Aleksandrov 1335613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1336613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1337613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1338613d61dbSNikolay Aleksandrov { 1339613d61dbSNikolay Aleksandrov } 1340613d61dbSNikolay Aleksandrov 1341613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1342613d61dbSNikolay Aleksandrov { 1343613d61dbSNikolay Aleksandrov } 13447b54aaafSNikolay Aleksandrov 13457b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13467b54aaafSNikolay Aleksandrov bool on) 13477b54aaafSNikolay Aleksandrov { 13487b54aaafSNikolay Aleksandrov } 1349f4b7002aSNikolay Aleksandrov 1350f4b7002aSNikolay Aleksandrov static inline void br_multicast_toggle_vlan(struct net_bridge_vlan *vlan, 1351f4b7002aSNikolay Aleksandrov bool on) 1352f4b7002aSNikolay Aleksandrov { 1353f4b7002aSNikolay Aleksandrov } 1354f4b7002aSNikolay Aleksandrov 1355f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1356f4b7002aSNikolay Aleksandrov bool on, 1357f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1358f4b7002aSNikolay Aleksandrov { 1359f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1360f4b7002aSNikolay Aleksandrov } 13619dee572cSNikolay Aleksandrov 13629dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13639dee572cSNikolay Aleksandrov bool on) 13649dee572cSNikolay Aleksandrov { 13659dee572cSNikolay Aleksandrov return false; 13669dee572cSNikolay Aleksandrov } 13674e51bf44SVladimir Oltean 13684e51bf44SVladimir Oltean static inline int br_mdb_replay(struct net_device *br_dev, 13694e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 13704e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 13714e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 13724e51bf44SVladimir Oltean { 13734e51bf44SVladimir Oltean return -EOPNOTSUPP; 13744e51bf44SVladimir Oltean } 1375df271cd6SNikolay Aleksandrov 1376df271cd6SNikolay Aleksandrov static inline bool 1377df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1378df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1379df271cd6SNikolay Aleksandrov { 1380df271cd6SNikolay Aleksandrov return true; 1381df271cd6SNikolay Aleksandrov } 138285b35269SSridhar Samudrala #endif 1383eb1d1641SHerbert Xu 1384243a2e63SVlad Yasevich /* br_vlan.c */ 1385243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 138677751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 138777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1388f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1389f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 139077751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 139185f46c6bSVlad Yasevich const struct sk_buff *skb); 1392e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1393348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 139411538d03SRoopa Prabhu const struct net_bridge_port *port, 13952594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 139678851988SVlad Yasevich struct sk_buff *skb); 1397f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1398169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1399348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1400348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14012594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1402204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14039e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14049e781401SVladimir Oltean struct netlink_ext_ack *extack); 1405dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1406dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14079e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14089e781401SVladimir Oltean struct netlink_ext_ack *extack); 14096dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14109163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14115be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14129e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14139e781401SVladimir Oltean struct netlink_ext_ack *extack); 1414169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1415169327d5SPetr Machata struct netlink_ext_ack *extack); 1416f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1417169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1418348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1419348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1420169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14212594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1422a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1423281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14249c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1425091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14269c0ec2e7SMike Manning void *ptr); 14278dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14288dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1429cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1430cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1431cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1432cf5bddb9SNikolay Aleksandrov int cmd); 14334e51bf44SVladimir Oltean int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, 14344e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 14354e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 1436a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1437a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1438a37b85c9SVlad Yasevich 1439bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1440bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1441bcf2766bSFelix Fietkau struct net_device_path *path); 1442bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1443bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1444bcf2766bSFelix Fietkau struct net_device_path *path); 1445bcf2766bSFelix Fietkau 14462594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1447a37b85c9SVlad Yasevich const struct net_bridge *br) 1448a37b85c9SVlad Yasevich { 1449907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1450a37b85c9SVlad Yasevich } 1451a37b85c9SVlad Yasevich 14522594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1453a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1454a37b85c9SVlad Yasevich { 1455907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1456907b1e6eSNikolay Aleksandrov } 1457907b1e6eSNikolay Aleksandrov 1458907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1459907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1460907b1e6eSNikolay Aleksandrov { 1461907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1462907b1e6eSNikolay Aleksandrov } 1463907b1e6eSNikolay Aleksandrov 1464907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1465907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1466907b1e6eSNikolay Aleksandrov { 1467907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1468a37b85c9SVlad Yasevich } 1469a37b85c9SVlad Yasevich 1470a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1471a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1472a37b85c9SVlad Yasevich */ 1473a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1474a37b85c9SVlad Yasevich { 1475a37b85c9SVlad Yasevich int err = 0; 1476a37b85c9SVlad Yasevich 14772594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 14785978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 14792594e906SNikolay Aleksandrov } else { 1480a37b85c9SVlad Yasevich *vid = 0; 1481a37b85c9SVlad Yasevich err = -EINVAL; 1482a37b85c9SVlad Yasevich } 1483a37b85c9SVlad Yasevich 1484a37b85c9SVlad Yasevich return err; 1485a37b85c9SVlad Yasevich } 148678851988SVlad Yasevich 148777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 148878851988SVlad Yasevich { 148977751ee8SNikolay Aleksandrov if (!vg) 14905be5a2dfSVlad Yasevich return 0; 14915be5a2dfSVlad Yasevich 149278851988SVlad Yasevich smp_rmb(); 149377751ee8SNikolay Aleksandrov return vg->pvid; 149478851988SVlad Yasevich } 149578851988SVlad Yasevich 14968dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 14978dcea187SNikolay Aleksandrov { 14988dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 14998dcea187SNikolay Aleksandrov } 1500243a2e63SVlad Yasevich #else 150177751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 150277751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15032594e906SNikolay Aleksandrov struct sk_buff *skb, 1504f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1505f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1506f4b7002aSNikolay Aleksandrov 15072594e906SNikolay Aleksandrov { 1508f4b7002aSNikolay Aleksandrov *vlan = NULL; 15092594e906SNikolay Aleksandrov return true; 15102594e906SNikolay Aleksandrov } 15112594e906SNikolay Aleksandrov 15122594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 151385f46c6bSVlad Yasevich const struct sk_buff *skb) 151485f46c6bSVlad Yasevich { 151585f46c6bSVlad Yasevich return true; 151685f46c6bSVlad Yasevich } 151785f46c6bSVlad Yasevich 1518e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1519e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1520e0d7968aSToshiaki Makita { 1521e0d7968aSToshiaki Makita return true; 1522e0d7968aSToshiaki Makita } 1523e0d7968aSToshiaki Makita 152478851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 152511538d03SRoopa Prabhu const struct net_bridge_port *port, 15262594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 152778851988SVlad Yasevich struct sk_buff *skb) 152878851988SVlad Yasevich { 152978851988SVlad Yasevich return skb; 153078851988SVlad Yasevich } 153178851988SVlad Yasevich 1532f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1533169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1534243a2e63SVlad Yasevich { 1535f418af63SNikolay Aleksandrov *changed = false; 1536243a2e63SVlad Yasevich return -EOPNOTSUPP; 1537243a2e63SVlad Yasevich } 1538243a2e63SVlad Yasevich 1539243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1540243a2e63SVlad Yasevich { 1541243a2e63SVlad Yasevich return -EOPNOTSUPP; 1542243a2e63SVlad Yasevich } 1543243a2e63SVlad Yasevich 1544243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1545243a2e63SVlad Yasevich { 1546243a2e63SVlad Yasevich } 1547243a2e63SVlad Yasevich 1548204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1549204177f3SToshiaki Makita { 1550204177f3SToshiaki Makita } 1551204177f3SToshiaki Makita 15525be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15538580e211SToshiaki Makita { 15545be5a2dfSVlad Yasevich return 0; 15558580e211SToshiaki Makita } 15568580e211SToshiaki Makita 1557f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1558169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1559243a2e63SVlad Yasevich { 1560f418af63SNikolay Aleksandrov *changed = false; 1561243a2e63SVlad Yasevich return -EOPNOTSUPP; 1562243a2e63SVlad Yasevich } 1563243a2e63SVlad Yasevich 1564243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1565243a2e63SVlad Yasevich { 1566243a2e63SVlad Yasevich return -EOPNOTSUPP; 1567243a2e63SVlad Yasevich } 1568243a2e63SVlad Yasevich 1569243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1570243a2e63SVlad Yasevich { 1571243a2e63SVlad Yasevich } 1572243a2e63SVlad Yasevich 15732594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 15742594e906SNikolay Aleksandrov u16 vid) 1575a37b85c9SVlad Yasevich { 1576a37b85c9SVlad Yasevich return NULL; 1577a37b85c9SVlad Yasevich } 1578bc9a25d2SVlad Yasevich 1579169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1580169327d5SPetr Machata struct netlink_ext_ack *extack) 15815be5a2dfSVlad Yasevich { 15825be5a2dfSVlad Yasevich return 0; 15835be5a2dfSVlad Yasevich } 15845be5a2dfSVlad Yasevich 158578851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1586a37b85c9SVlad Yasevich { 1587a37b85c9SVlad Yasevich return 0; 1588a37b85c9SVlad Yasevich } 15892594e906SNikolay Aleksandrov 159077751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 159178851988SVlad Yasevich { 15923df6bf45SVlad Yasevich return 0; 159378851988SVlad Yasevich } 15942796d0c6SVlad Yasevich 15957a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1596c97f47e3SVladimir Oltean unsigned long val, 1597c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1598a7854037SNikolay Aleksandrov { 1599a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1600a7854037SNikolay Aleksandrov } 16012594e906SNikolay Aleksandrov 16022594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16032594e906SNikolay Aleksandrov u32 filter_mask) 16042594e906SNikolay Aleksandrov { 16052594e906SNikolay Aleksandrov return 0; 16062594e906SNikolay Aleksandrov } 16072594e906SNikolay Aleksandrov 1608bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1609bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1610bcf2766bSFelix Fietkau struct net_device_path *path) 1611bcf2766bSFelix Fietkau { 1612bcf2766bSFelix Fietkau } 1613bcf2766bSFelix Fietkau 1614bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1615bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1616bcf2766bSFelix Fietkau struct net_device_path *path) 1617bcf2766bSFelix Fietkau { 1618bcf2766bSFelix Fietkau return 0; 1619bcf2766bSFelix Fietkau } 1620bcf2766bSFelix Fietkau 16212594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16222594e906SNikolay Aleksandrov const struct net_bridge *br) 16232594e906SNikolay Aleksandrov { 16242594e906SNikolay Aleksandrov return NULL; 16252594e906SNikolay Aleksandrov } 16262594e906SNikolay Aleksandrov 16272594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16282594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16292594e906SNikolay Aleksandrov { 16302594e906SNikolay Aleksandrov return NULL; 16312594e906SNikolay Aleksandrov } 1632907b1e6eSNikolay Aleksandrov 1633907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1634907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1635907b1e6eSNikolay Aleksandrov { 1636907b1e6eSNikolay Aleksandrov return NULL; 1637907b1e6eSNikolay Aleksandrov } 1638907b1e6eSNikolay Aleksandrov 1639907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1640907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1641907b1e6eSNikolay Aleksandrov { 1642907b1e6eSNikolay Aleksandrov return NULL; 1643907b1e6eSNikolay Aleksandrov } 1644a60c0903SNikolay Aleksandrov 1645a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1646281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1647a60c0903SNikolay Aleksandrov { 1648a60c0903SNikolay Aleksandrov } 16499c0ec2e7SMike Manning 16509c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16519c0ec2e7SMike Manning unsigned long event) 16529c0ec2e7SMike Manning { 16539c0ec2e7SMike Manning } 16549c0ec2e7SMike Manning 1655091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16569c0ec2e7SMike Manning unsigned long event, void *ptr) 16579c0ec2e7SMike Manning { 1658091adf9bSNikolay Aleksandrov return 0; 16599c0ec2e7SMike Manning } 16608dcea187SNikolay Aleksandrov 16618dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16628dcea187SNikolay Aleksandrov { 16638dcea187SNikolay Aleksandrov } 16648dcea187SNikolay Aleksandrov 16658dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16668dcea187SNikolay Aleksandrov { 16678dcea187SNikolay Aleksandrov } 1668cf5bddb9SNikolay Aleksandrov 1669cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1670cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1671cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1672cf5bddb9SNikolay Aleksandrov int cmd) 1673cf5bddb9SNikolay Aleksandrov { 1674cf5bddb9SNikolay Aleksandrov } 1675528ae84aSNikolay Aleksandrov 1676528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1677528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1678528ae84aSNikolay Aleksandrov { 1679528ae84aSNikolay Aleksandrov return true; 1680528ae84aSNikolay Aleksandrov } 16814e51bf44SVladimir Oltean 16824e51bf44SVladimir Oltean static inline int br_vlan_replay(struct net_device *br_dev, 16834e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 16844e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 16854e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 16864e51bf44SVladimir Oltean { 16874e51bf44SVladimir Oltean return -EOPNOTSUPP; 16884e51bf44SVladimir Oltean } 1689243a2e63SVlad Yasevich #endif 1690243a2e63SVlad Yasevich 16917a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 16927a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 169399f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 169499f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 16957a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 16967a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1697a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1698a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1699a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1700a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1701a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1702a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 170347ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 170447ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 170547ecd2dbSNikolay Aleksandrov int cmd, 170647ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1707743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1708743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1709743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1710743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1711a580c76dSNikolay Aleksandrov 1712a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1713a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1714a580c76dSNikolay Aleksandrov { 1715a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1716a580c76dSNikolay Aleksandrov } 1717a580c76dSNikolay Aleksandrov 1718a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1719a580c76dSNikolay Aleksandrov { 1720a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1721a580c76dSNikolay Aleksandrov } 1722a580c76dSNikolay Aleksandrov 1723a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1724a580c76dSNikolay Aleksandrov { 1725a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1726a580c76dSNikolay Aleksandrov } 1727a580c76dSNikolay Aleksandrov 1728a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1729a580c76dSNikolay Aleksandrov u8 state) 1730a580c76dSNikolay Aleksandrov { 1731a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1732a580c76dSNikolay Aleksandrov } 1733a580c76dSNikolay Aleksandrov 1734a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1735a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1736a580c76dSNikolay Aleksandrov { 1737a580c76dSNikolay Aleksandrov switch (state) { 1738a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1739a580c76dSNikolay Aleksandrov return learn_allow; 1740a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1741a580c76dSNikolay Aleksandrov return true; 1742a580c76dSNikolay Aleksandrov default: 1743a580c76dSNikolay Aleksandrov return false; 1744a580c76dSNikolay Aleksandrov } 1745a580c76dSNikolay Aleksandrov } 17467a53e718SNikolay Aleksandrov #endif 17477a53e718SNikolay Aleksandrov 17481a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17491a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17501a4ba64dSPablo Neira Ayuso }; 17511a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17521a4ba64dSPablo Neira Ayuso 17531da177e4SLinus Torvalds /* br_netfilter.c */ 175434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 175534666d46SPablo Neira Ayuso int br_nf_core_init(void); 175634666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1757348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1758c0909713SStephen Hemminger #else 175934666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 176034666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17614adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1762c0909713SStephen Hemminger #endif 17631da177e4SLinus Torvalds 17641da177e4SLinus Torvalds /* br_stp.c */ 1765775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1766348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1767348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1768348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 17691da177e4SLinus Torvalds 1770348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1771348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1772348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1773348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 177482dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 17759e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 177614f98f25Sstephen hemminger 177714f98f25Sstephen hemminger 17781da177e4SLinus Torvalds /* br_stp_if.c */ 1779348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1780348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1781419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1782419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1783348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1784348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1785348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1786348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1787348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1788348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1789348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1790348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 17911da177e4SLinus Torvalds 17921da177e4SLinus Torvalds /* br_stp_bpdu.c */ 17937c85fbf0SPatrick McHardy struct stp_proto; 1794348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 17957c85fbf0SPatrick McHardy struct net_device *dev); 17961da177e4SLinus Torvalds 17971da177e4SLinus Torvalds /* br_stp_timer.c */ 1798348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1799348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1800348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18011da177e4SLinus Torvalds 18021da177e4SLinus Torvalds /* br.c */ 1803e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1804da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1805da678292SMichał Mirosław #endif 18061da177e4SLinus Torvalds 180765369933SHoratiu Vultur /* br_mrp.c */ 180865369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 180965369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 181065369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 181165369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 181265369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1813df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 181465369933SHoratiu Vultur #else 181565369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 181665369933SHoratiu Vultur struct nlattr *attr, int cmd, 181765369933SHoratiu Vultur struct netlink_ext_ack *extack) 181865369933SHoratiu Vultur { 181965369933SHoratiu Vultur return -EOPNOTSUPP; 182065369933SHoratiu Vultur } 182165369933SHoratiu Vultur 182265369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 182365369933SHoratiu Vultur { 18248741e184SJason Yan return false; 182565369933SHoratiu Vultur } 182665369933SHoratiu Vultur 182765369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 182865369933SHoratiu Vultur struct net_bridge_port *p) 182965369933SHoratiu Vultur { 183065369933SHoratiu Vultur } 1831df42ef22SHoratiu Vultur 1832df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1833df42ef22SHoratiu Vultur { 1834df42ef22SHoratiu Vultur return 0; 1835df42ef22SHoratiu Vultur } 1836df42ef22SHoratiu Vultur 183765369933SHoratiu Vultur #endif 183865369933SHoratiu Vultur 18392be665c3SHenrik Bjoernlund /* br_cfm.c */ 184086a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18412be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18422be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18432be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 184486a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18455e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1846b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1847b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1848b6d0425bSHenrik Bjoernlund bool getlink); 1849b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1850b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 185186a14b79SHenrik Bjoernlund #else 18522be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18532be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18542be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18552be665c3SHenrik Bjoernlund { 18562be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18572be665c3SHenrik Bjoernlund } 18582be665c3SHenrik Bjoernlund 18592be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18602be665c3SHenrik Bjoernlund { 18612be665c3SHenrik Bjoernlund return false; 18622be665c3SHenrik Bjoernlund } 18632be665c3SHenrik Bjoernlund 186486a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 186586a14b79SHenrik Bjoernlund struct net_bridge_port *p) 186686a14b79SHenrik Bjoernlund { 186786a14b79SHenrik Bjoernlund } 18685e312fc0SHenrik Bjoernlund 18695e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 18705e312fc0SHenrik Bjoernlund { 18715e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 18725e312fc0SHenrik Bjoernlund } 1873e77824d8SHenrik Bjoernlund 1874b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1875b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1876b6d0425bSHenrik Bjoernlund bool getlink) 1877b6d0425bSHenrik Bjoernlund { 1878b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1879b6d0425bSHenrik Bjoernlund } 1880b6d0425bSHenrik Bjoernlund 1881b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1882b6d0425bSHenrik Bjoernlund { 1883b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1884b6d0425bSHenrik Bjoernlund } 1885b6d0425bSHenrik Bjoernlund 1886b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1887e77824d8SHenrik Bjoernlund { 1888e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1889e77824d8SHenrik Bjoernlund } 189086a14b79SHenrik Bjoernlund #endif 189186a14b79SHenrik Bjoernlund 189211dc1f36SStephen Hemminger /* br_netlink.c */ 1893149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1894348662a1SJoe Perches int br_netlink_init(void); 1895348662a1SJoe Perches void br_netlink_fini(void); 189692899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 189792899063SNikolay Aleksandrov const struct net_bridge_port *port); 1898b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1899b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19002fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19012fd527b7SPetr Machata struct netlink_ext_ack *extack); 1902add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1903348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 190446c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1905f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1906f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1907f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1908f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1909f26b2965SNikolay Aleksandrov bool *changed, 1910f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 191111dc1f36SStephen Hemminger 19121da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19131da177e4SLinus Torvalds /* br_sysfs_if.c */ 191452cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1915348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1916348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19171da177e4SLinus Torvalds 19181da177e4SLinus Torvalds /* br_sysfs_br.c */ 1919348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1920348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19211da177e4SLinus Torvalds 19221da177e4SLinus Torvalds #else 19231da177e4SLinus Torvalds 19240cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19250cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19260cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19270cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19281da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19291da177e4SLinus Torvalds 19306bc506b4SIdo Schimmel /* br_switchdev.c */ 19316bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1932957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1933957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1934957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1935957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1936957e2235SVladimir Oltean bool tx_fwd_offload, 1937957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1938957e2235SVladimir Oltean 1939957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1940957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1941957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1942957e2235SVladimir Oltean 194347211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 194447211192STobias Waldekranz 1945c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1946c5381154SVladimir Oltean 194747211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 194847211192STobias Waldekranz struct sk_buff *skb); 194947211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 195047211192STobias Waldekranz struct sk_buff *skb); 19516bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19526bc506b4SIdo Schimmel struct sk_buff *skb); 19536bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19546bc506b4SIdo Schimmel const struct sk_buff *skb); 19553922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19563922285dSArkadi Sharshevsky unsigned long flags, 1957078bbb85SVladimir Oltean unsigned long mask, 1958078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19596eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19606eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1961169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1962169327d5SPetr Machata struct netlink_ext_ack *extack); 1963d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 196485826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1965f1c2eddfSIdo Schimmel 1966f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1967f1c2eddfSIdo Schimmel { 1968f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1969f1c2eddfSIdo Schimmel } 19706bc506b4SIdo Schimmel #else 1971957e2235SVladimir Oltean static inline int 1972957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 1973957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1974957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1975957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1976957e2235SVladimir Oltean bool tx_fwd_offload, 1977957e2235SVladimir Oltean struct netlink_ext_ack *extack) 1978957e2235SVladimir Oltean { 1979957e2235SVladimir Oltean return -EOPNOTSUPP; 1980957e2235SVladimir Oltean } 1981957e2235SVladimir Oltean 1982957e2235SVladimir Oltean static inline void 1983957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1984957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1985957e2235SVladimir Oltean struct notifier_block *blocking_nb) 1986957e2235SVladimir Oltean { 1987957e2235SVladimir Oltean } 1988957e2235SVladimir Oltean 198947211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 199047211192STobias Waldekranz { 199147211192STobias Waldekranz return false; 199247211192STobias Waldekranz } 199347211192STobias Waldekranz 1994c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 1995c5381154SVladimir Oltean { 1996c5381154SVladimir Oltean } 1997c5381154SVladimir Oltean 199847211192STobias Waldekranz static inline void 199947211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 200047211192STobias Waldekranz struct sk_buff *skb) 200147211192STobias Waldekranz { 200247211192STobias Waldekranz } 200347211192STobias Waldekranz 200447211192STobias Waldekranz static inline void 200547211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 200647211192STobias Waldekranz struct sk_buff *skb) 200747211192STobias Waldekranz { 200847211192STobias Waldekranz } 200947211192STobias Waldekranz 20106bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20116bc506b4SIdo Schimmel struct sk_buff *skb) 20126bc506b4SIdo Schimmel { 20136bc506b4SIdo Schimmel } 20146bc506b4SIdo Schimmel 20156bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20166bc506b4SIdo Schimmel const struct sk_buff *skb) 20176bc506b4SIdo Schimmel { 20186bc506b4SIdo Schimmel return true; 20196bc506b4SIdo Schimmel } 20203922285dSArkadi Sharshevsky 20213922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20223922285dSArkadi Sharshevsky unsigned long flags, 2023078bbb85SVladimir Oltean unsigned long mask, 2024078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20253922285dSArkadi Sharshevsky { 20263922285dSArkadi Sharshevsky return 0; 20273922285dSArkadi Sharshevsky } 20286b26b51bSArkadi Sharshevsky 2029d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2030169327d5SPetr Machata u16 vid, u16 flags, 2031169327d5SPetr Machata struct netlink_ext_ack *extack) 2032d66e4348SPetr Machata { 2033d66e4348SPetr Machata return -EOPNOTSUPP; 2034d66e4348SPetr Machata } 2035d66e4348SPetr Machata 2036d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2037d66e4348SPetr Machata { 2038d66e4348SPetr Machata return -EOPNOTSUPP; 2039d66e4348SPetr Machata } 2040d66e4348SPetr Machata 20416b26b51bSArkadi Sharshevsky static inline void 20426eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20436eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20446b26b51bSArkadi Sharshevsky { 20456b26b51bSArkadi Sharshevsky } 2046f1c2eddfSIdo Schimmel 2047f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2048f1c2eddfSIdo Schimmel { 2049f1c2eddfSIdo Schimmel } 205085826610STobias Waldekranz 205185826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 205285826610STobias Waldekranz { 205385826610STobias Waldekranz } 205485826610STobias Waldekranz 20556bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20566bc506b4SIdo Schimmel 2057057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2058821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2059057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2060057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2061ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2062ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2063ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20641da177e4SLinus Torvalds #endif 2065