12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 31d08c6bc0SNikolay Aleksandrov 3285826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3385826610STobias Waldekranz 349cde0708SStephen Hemminger #define BR_VERSION "2.3" 359cde0708SStephen Hemminger 36515853ccSstephen hemminger /* Control of forwarding link local multicast */ 37515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 38784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 395af48b59SNikolay Aleksandrov enum { 405af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 415af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 425af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 435af48b59SNikolay Aleksandrov }; 445af48b59SNikolay Aleksandrov 455af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 465af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 47f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 48f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 49515853ccSstephen hemminger 509cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 519cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 528cbb512eSStephen Hemminger 5331cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5431cbc39bSNikolay Aleksandrov 551da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 561da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 571da177e4SLinus Torvalds typedef __u16 port_id; 581da177e4SLinus Torvalds 591c1cb6d0SNikolay Aleksandrov struct bridge_id { 601da177e4SLinus Torvalds unsigned char prio[2]; 61e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 621da177e4SLinus Torvalds }; 631da177e4SLinus Torvalds 641c1cb6d0SNikolay Aleksandrov struct mac_addr { 65e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 661da177e4SLinus Torvalds }; 671da177e4SLinus Torvalds 68cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 69cc0fdd80SLinus Lüssing /* our own querier */ 7090010b36SLinus Lüssing struct bridge_mcast_own_query { 71cc0fdd80SLinus Lüssing struct timer_list timer; 72cc0fdd80SLinus Lüssing u32 startup_sent; 73cc0fdd80SLinus Lüssing }; 74cc0fdd80SLinus Lüssing 75cc0fdd80SLinus Lüssing /* other querier */ 7690010b36SLinus Lüssing struct bridge_mcast_other_query { 77cc0fdd80SLinus Lüssing struct timer_list timer; 78cc0fdd80SLinus Lüssing unsigned long delay_time; 79cc0fdd80SLinus Lüssing }; 80dc4eb53aSLinus Lüssing 81dc4eb53aSLinus Lüssing /* selected querier */ 82dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 83dc4eb53aSLinus Lüssing struct br_ip addr; 84bb18ef8eSNikolay Aleksandrov int port_ifidx; 8567b746f9SNikolay Aleksandrov seqcount_t seq; 86dc4eb53aSLinus Lüssing }; 871080ab95SNikolay Aleksandrov 881080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 891080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 901080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 911080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 921080ab95SNikolay Aleksandrov }; 93cc0fdd80SLinus Lüssing #endif 94cc0fdd80SLinus Lüssing 959632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 969632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 979632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 989632233eSNikolay Aleksandrov struct net_bridge_port *port; 99613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1009632233eSNikolay Aleksandrov 1019632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1029632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1039632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1049632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1059632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1069632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1079632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1089632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1099632233eSNikolay Aleksandrov unsigned char multicast_router; 1109632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1119632233eSNikolay Aleksandrov }; 1129632233eSNikolay Aleksandrov 113d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 114d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 115d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 116d3d065c0SNikolay Aleksandrov struct net_bridge *br; 117613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 118d3d065c0SNikolay Aleksandrov 119d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 120d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 121d3d065c0SNikolay Aleksandrov 1224d5b4e84SNikolay Aleksandrov u8 multicast_querier; 123d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 124d3d065c0SNikolay Aleksandrov u8 multicast_router; 125d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 126d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 127d3d065c0SNikolay Aleksandrov #endif 128d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 129d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 130d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 133d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 134d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 135d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 136d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 137d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 139d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 140d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 141d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 142d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 143d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 144d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 145d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 146d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 147d3d065c0SNikolay Aleksandrov }; 148d3d065c0SNikolay Aleksandrov 149efa5356bSRoopa Prabhu struct br_tunnel_info { 150efa5356bSRoopa Prabhu __be64 tunnel_id; 15158e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 152efa5356bSRoopa Prabhu }; 153efa5356bSRoopa Prabhu 1549d332e69SNikolay Aleksandrov /* private vlan flags */ 1559d332e69SNikolay Aleksandrov enum { 1569d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15727973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1587b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1597b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1609d332e69SNikolay Aleksandrov }; 1619d332e69SNikolay Aleksandrov 1622594e906SNikolay Aleksandrov /** 1632594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1642594e906SNikolay Aleksandrov * 1652594e906SNikolay Aleksandrov * @vnode: rhashtable member 1662594e906SNikolay Aleksandrov * @vid: VLAN id 1672594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1689d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 169a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1706dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1712594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1722594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1732594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1742594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1752594e906SNikolay Aleksandrov * for this VLAN entry 176613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 177613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 178613d61dbSNikolay Aleksandrov * context 1792594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1802594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1812594e906SNikolay Aleksandrov * 1822594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1832594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1842594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1852594e906SNikolay Aleksandrov * the entry flags that are set. 1862594e906SNikolay Aleksandrov */ 1872594e906SNikolay Aleksandrov struct net_bridge_vlan { 1882594e906SNikolay Aleksandrov struct rhash_head vnode; 189efa5356bSRoopa Prabhu struct rhash_head tnode; 1902594e906SNikolay Aleksandrov u16 vid; 1912594e906SNikolay Aleksandrov u16 flags; 1929d332e69SNikolay Aleksandrov u16 priv_flags; 193a580c76dSNikolay Aleksandrov u8 state; 194281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 195243a2e63SVlad Yasevich union { 196243a2e63SVlad Yasevich struct net_bridge *br; 1972594e906SNikolay Aleksandrov struct net_bridge_port *port; 1982594e906SNikolay Aleksandrov }; 1992594e906SNikolay Aleksandrov union { 20025127759SReshetova, Elena refcount_t refcnt; 2012594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2022594e906SNikolay Aleksandrov }; 203efa5356bSRoopa Prabhu 204efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 205efa5356bSRoopa Prabhu 206613d61dbSNikolay Aleksandrov union { 207613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 208613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 209613d61dbSNikolay Aleksandrov }; 210613d61dbSNikolay Aleksandrov 2112594e906SNikolay Aleksandrov struct list_head vlist; 2122594e906SNikolay Aleksandrov 213243a2e63SVlad Yasevich struct rcu_head rcu; 2142594e906SNikolay Aleksandrov }; 2152594e906SNikolay Aleksandrov 2162594e906SNikolay Aleksandrov /** 2172594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2182594e906SNikolay Aleksandrov * 2192594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2202594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2212594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22277751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 223a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2242594e906SNikolay Aleksandrov * 2252594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2262594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2272594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2282594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2292594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2302594e906SNikolay Aleksandrov */ 2312594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2322594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 233efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2342594e906SNikolay Aleksandrov struct list_head vlan_list; 2356cbdceebSVlad Yasevich u16 num_vlans; 23677751ee8SNikolay Aleksandrov u16 pvid; 237a580c76dSNikolay Aleksandrov u8 pvid_state; 238243a2e63SVlad Yasevich }; 239243a2e63SVlad Yasevich 2406869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2416869c3b0SNikolay Aleksandrov enum { 2426869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24329e63fffSNikolay Aleksandrov BR_FDB_STATIC, 244e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 245ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 246b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 247d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 24831cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 24931cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2506869c3b0SNikolay Aleksandrov }; 2516869c3b0SNikolay Aleksandrov 252eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 253eb793583SNikolay Aleksandrov mac_addr addr; 254eb793583SNikolay Aleksandrov u16 vlan_id; 255eb793583SNikolay Aleksandrov }; 256eb793583SNikolay Aleksandrov 2571214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 258eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2591da177e4SLinus Torvalds struct net_bridge_port *dst; 2601da177e4SLinus Torvalds 261eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 262eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2636869c3b0SNikolay Aleksandrov unsigned long flags; 2641214628cSNikolay Aleksandrov 2651214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2661214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2671214628cSNikolay Aleksandrov unsigned long used; 2681214628cSNikolay Aleksandrov 269b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2701da177e4SLinus Torvalds }; 2711da177e4SLinus Torvalds 2729d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2739d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2743247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2758266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2769116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2779d06b6d8SElad Raz 2788b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2798b671779SNikolay Aleksandrov 2808b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2818b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 282b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2838b671779SNikolay Aleksandrov 284e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 285e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 286e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 287e12cec65SNikolay Aleksandrov }; 288e12cec65SNikolay Aleksandrov 2898b671779SNikolay Aleksandrov struct net_bridge_group_src { 2908b671779SNikolay Aleksandrov struct hlist_node node; 2918b671779SNikolay Aleksandrov 2928b671779SNikolay Aleksandrov struct br_ip addr; 2938b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2948b671779SNikolay Aleksandrov u8 flags; 295438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2968b671779SNikolay Aleksandrov struct timer_list timer; 2978b671779SNikolay Aleksandrov 2988b671779SNikolay Aleksandrov struct net_bridge *br; 299e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3008b671779SNikolay Aleksandrov struct rcu_head rcu; 3018b671779SNikolay Aleksandrov }; 3028b671779SNikolay Aleksandrov 303085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 304eb1d1641SHerbert Xu struct net_bridge_port *port; 3058ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 306085b53c8SNikolay Aleksandrov }; 307085b53c8SNikolay Aleksandrov 308085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 309085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 310085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 311206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3129d06b6d8SElad Raz unsigned char flags; 3138b671779SNikolay Aleksandrov unsigned char filter_mode; 31442c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3158f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3166ec0d0eeSNikolay Aleksandrov 3178b671779SNikolay Aleksandrov struct hlist_head src_list; 3188b671779SNikolay Aleksandrov unsigned int src_ents; 3196ec0d0eeSNikolay Aleksandrov struct timer_list timer; 32042c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3216ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3228f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3238f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3246ec0d0eeSNikolay Aleksandrov 325085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 326e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3276ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 328eb1d1641SHerbert Xu }; 329eb1d1641SHerbert Xu 3301c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 33119e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 332eb1d1641SHerbert Xu struct net_bridge *br; 333e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3348ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 335ff0fd34eSAndrew Lunn bool host_joined; 3366ec0d0eeSNikolay Aleksandrov 3376ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33819e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3396ec0d0eeSNikolay Aleksandrov 340e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3416ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 342eb1d1641SHerbert Xu }; 343eb1d1641SHerbert Xu 3441f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3451da177e4SLinus Torvalds struct net_bridge *br; 3461da177e4SLinus Torvalds struct net_device *dev; 3471da177e4SLinus Torvalds struct list_head list; 3481da177e4SLinus Torvalds 3491f90c7f3SNikolay Aleksandrov unsigned long flags; 3501f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3511f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3521f90c7f3SNikolay Aleksandrov #endif 3532756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3541f90c7f3SNikolay Aleksandrov 3551da177e4SLinus Torvalds /* STP */ 3561da177e4SLinus Torvalds u8 priority; 3571da177e4SLinus Torvalds u8 state; 3581da177e4SLinus Torvalds u16 port_no; 3591da177e4SLinus Torvalds unsigned char topology_change_ack; 3601da177e4SLinus Torvalds unsigned char config_pending; 3611da177e4SLinus Torvalds port_id port_id; 3621da177e4SLinus Torvalds port_id designated_port; 3631da177e4SLinus Torvalds bridge_id designated_root; 3641da177e4SLinus Torvalds bridge_id designated_bridge; 3651da177e4SLinus Torvalds u32 path_cost; 3661da177e4SLinus Torvalds u32 designated_cost; 3670c03150eSstephen hemminger unsigned long designated_age; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3701da177e4SLinus Torvalds struct timer_list hold_timer; 3711da177e4SLinus Torvalds struct timer_list message_age_timer; 3721da177e4SLinus Torvalds struct kobject kobj; 3731da177e4SLinus Torvalds struct rcu_head rcu; 3743982d3d2SFischer, Anna 3759632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3769632233eSNikolay Aleksandrov 377eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3789632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3799632233eSNikolay Aleksandrov 38089268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38189268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 382eb1d1641SHerbert Xu struct hlist_head mglist; 383eb1d1641SHerbert Xu #endif 384e0f43752SSimon Arlott 385e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 386e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 387e0f43752SSimon Arlott #endif 38891d2c34aSHerbert Xu 38991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 39091d2c34aSHerbert Xu struct netpoll *np; 39191d2c34aSHerbert Xu #endif 3926bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 393f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 394f7cf972fSTobias Waldekranz * hardware domain. 395f7cf972fSTobias Waldekranz */ 396f7cf972fSTobias Waldekranz int hwdom; 3972f5dc00fSVladimir Oltean int offload_count; 3982f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 3996bc506b4SIdo Schimmel #endif 4005af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4012756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 402de179966SVivien Didelot 403de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4041da177e4SLinus Torvalds }; 4051da177e4SLinus Torvalds 406705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 407705e0deaSTyler Hicks 408e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 409f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 410e028e4b8SVlad Yasevich 411b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 412b5ed54e9Sstephen hemminger { 413716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 414b5ed54e9Sstephen hemminger } 415b5ed54e9Sstephen hemminger 4161fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 417b5ed54e9Sstephen hemminger { 41835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 419ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 420b5ed54e9Sstephen hemminger } 421b5ed54e9Sstephen hemminger 4220baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4230baa10ffSArkadi Sharshevsky { 42435f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4250baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4260baa10ffSArkadi Sharshevsky } 4270baa10ffSArkadi Sharshevsky 428ae75767eSNikolay Aleksandrov enum net_bridge_opts { 429ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 430ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4318df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4328df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4338df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 434be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 43513cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 436675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 437675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 438675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 439c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4403341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4419163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44270e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4439c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 444f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 445ae75767eSNikolay Aleksandrov }; 446ae75767eSNikolay Aleksandrov 4471f90c7f3SNikolay Aleksandrov struct net_bridge { 4481da177e4SLinus Torvalds spinlock_t lock; 4491f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 45090c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4511da177e4SLinus Torvalds struct net_device *dev; 452ae75767eSNikolay Aleksandrov unsigned long options; 4531f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4541f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4551f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4561f90c7f3SNikolay Aleksandrov u16 default_pvid; 4571f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4581f90c7f3SNikolay Aleksandrov #endif 4591f90c7f3SNikolay Aleksandrov 460eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46190c628ddSHenrik Bjoernlund struct list_head port_list; 46234666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 463efb6de9bSBernhard Thaler union { 4644adf0af6SSimon Wunderlich struct rtable fake_rtable; 465efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 466efb6de9bSBernhard Thaler }; 4674adf0af6SSimon Wunderlich #endif 468515853ccSstephen hemminger u16 group_fwd_mask; 469f2808d22SToshiaki Makita u16 group_fwd_mask_required; 470515853ccSstephen hemminger 4711da177e4SLinus Torvalds /* STP */ 4721da177e4SLinus Torvalds bridge_id designated_root; 4731da177e4SLinus Torvalds bridge_id bridge_id; 4741f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4751f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4761f90c7f3SNikolay Aleksandrov u16 root_port; 4771da177e4SLinus Torvalds unsigned long max_age; 4781da177e4SLinus Torvalds unsigned long hello_time; 4791da177e4SLinus Torvalds unsigned long forward_delay; 4801da177e4SLinus Torvalds unsigned long ageing_time; 48134d8acd8SVivien Didelot unsigned long bridge_max_age; 4821da177e4SLinus Torvalds unsigned long bridge_hello_time; 4831da177e4SLinus Torvalds unsigned long bridge_forward_delay; 48434d8acd8SVivien Didelot unsigned long bridge_ageing_time; 48535750b0bSNikolay Aleksandrov u32 root_path_cost; 4861da177e4SLinus Torvalds 487fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4889cde0708SStephen Hemminger 4899cde0708SStephen Hemminger enum { 4909cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4919cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4929cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4939cde0708SStephen Hemminger } stp_enabled; 4949cde0708SStephen Hemminger 495d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 496d3d065c0SNikolay Aleksandrov 497eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 498d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 499eb1d1641SHerbert Xu 500eb1d1641SHerbert Xu u32 hash_max; 501eb1d1641SHerbert Xu 50235750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 503eb1d1641SHerbert Xu 50419e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 505085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 50619e3a9c9SNikolay Aleksandrov 507e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 50819e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 509eb1d1641SHerbert Xu 510e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 511eb1d1641SHerbert Xu #endif 512eb1d1641SHerbert Xu 5131da177e4SLinus Torvalds struct timer_list hello_timer; 5141da177e4SLinus Torvalds struct timer_list tcn_timer; 5151da177e4SLinus Torvalds struct timer_list topology_change_timer; 516f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 51743b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 518e028e4b8SVlad Yasevich u32 auto_cnt; 5196bc506b4SIdo Schimmel 5206bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 521f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 522f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 523f7cf972fSTobias Waldekranz */ 524f7cf972fSTobias Waldekranz int last_hwdom; 52585826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 52685826610STobias Waldekranz unsigned long busy_hwdoms; 5276bc506b4SIdo Schimmel #endif 528eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5294b8d7d4cSHoratiu Vultur 5304b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5310169b820SHoratiu Vultur struct hlist_head mrp_list; 5324b8d7d4cSHoratiu Vultur #endif 533f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 534f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 535f323aa54SHenrik Bjoernlund #endif 5361da177e4SLinus Torvalds }; 5371da177e4SLinus Torvalds 53868b7c895SHerbert Xu struct br_input_skb_cb { 53968b7c895SHerbert Xu struct net_device *brdev; 54093fdd47eSHerbert Xu 5413c171f49SPablo Neira Ayuso u16 frag_max_size; 54232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 543f12064d1SFlorian Westphal u8 igmp; 544f12064d1SFlorian Westphal u8 mrouters_only:1; 54532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 546f12064d1SFlorian Westphal u8 proxyarp_replied:1; 547f12064d1SFlorian Westphal u8 src_port_isolated:1; 54820adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 549f12064d1SFlorian Westphal u8 vlan_filtered:1; 55020adfa1aSVlad Yasevich #endif 551223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 552223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 553223fd0adSFlorian Westphal #endif 5546bc506b4SIdo Schimmel 5556bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 55647211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 55747211192STobias Waldekranz * hardware domain. 55847211192STobias Waldekranz */ 55947211192STobias Waldekranz u8 tx_fwd_offload:1; 560f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 561f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 562f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 563f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 564f7cf972fSTobias Waldekranz */ 565f7cf972fSTobias Waldekranz int src_hwdom; 56647211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 56747211192STobias Waldekranz * transmitted using the TX data plane offload. 56847211192STobias Waldekranz */ 56947211192STobias Waldekranz unsigned long fwd_hwdoms; 5706bc506b4SIdo Schimmel #endif 57168b7c895SHerbert Xu }; 57268b7c895SHerbert Xu 57368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 57468b7c895SHerbert Xu 57532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 57632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 58032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58128a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58228a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 58328a16c97Sstephen hemminger 58428a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 58528a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 58628a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 58728a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 58828a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 58928a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 59028a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59128a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59228a16c97Sstephen hemminger 59328a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 59428a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 59528a16c97Sstephen hemminger 5961da177e4SLinus Torvalds /* called under bridge lock */ 5971da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5981da177e4SLinus Torvalds { 5991da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6001da177e4SLinus Torvalds } 6011da177e4SLinus Torvalds 6022594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6032594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6042594e906SNikolay Aleksandrov { 6052594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6062594e906SNikolay Aleksandrov } 6072594e906SNikolay Aleksandrov 6082594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6092594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6102594e906SNikolay Aleksandrov { 6112594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6122594e906SNikolay Aleksandrov } 6132594e906SNikolay Aleksandrov 6146be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6152594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6162594e906SNikolay Aleksandrov { 6172594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6182594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6192594e906SNikolay Aleksandrov return true; 6202594e906SNikolay Aleksandrov else 6212594e906SNikolay Aleksandrov return false; 6222594e906SNikolay Aleksandrov } 6232594e906SNikolay Aleksandrov 6242594e906SNikolay Aleksandrov return true; 6252594e906SNikolay Aleksandrov } 6262594e906SNikolay Aleksandrov 6275d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6285d1fcaf3SNikolay Aleksandrov { 6295d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6305d1fcaf3SNikolay Aleksandrov } 6315d1fcaf3SNikolay Aleksandrov 6328f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6335a46facbSNikolay Aleksandrov { 6348f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6358f4cc940SNikolay Aleksandrov 6368f4cc940SNikolay Aleksandrov if (!ret) 6378f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6388f4cc940SNikolay Aleksandrov 6398f4cc940SNikolay Aleksandrov return ret; 6405a46facbSNikolay Aleksandrov } 6415a46facbSNikolay Aleksandrov 6425a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6438f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6448f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6455a46facbSNikolay Aleksandrov { 6465a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6478f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6488f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6495a46facbSNikolay Aleksandrov return false; 6508f4cc940SNikolay Aleksandrov } 6515a46facbSNikolay Aleksandrov 6525a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6535a46facbSNikolay Aleksandrov * - it has range start flag 6545a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6555a46facbSNikolay Aleksandrov */ 6565a46facbSNikolay Aleksandrov if (last) { 6578f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6588f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6595a46facbSNikolay Aleksandrov return false; 6608f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6618f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6628f4cc940SNikolay Aleksandrov return false; 6638f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6648f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6658f4cc940SNikolay Aleksandrov return false; 6668f4cc940SNikolay Aleksandrov } 6678f4cc940SNikolay Aleksandrov } 6688f4cc940SNikolay Aleksandrov 6698f4cc940SNikolay Aleksandrov /* check for required range flags */ 6708f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6718f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6728f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6735a46facbSNikolay Aleksandrov return false; 6745a46facbSNikolay Aleksandrov } 6755a46facbSNikolay Aleksandrov 6765a46facbSNikolay Aleksandrov return true; 6775a46facbSNikolay Aleksandrov } 6785a46facbSNikolay Aleksandrov 679f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 680f545923bSNikolay Aleksandrov { 681f545923bSNikolay Aleksandrov switch (cmd) { 682f545923bSNikolay Aleksandrov case RTM_SETLINK: 683f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 684f545923bSNikolay Aleksandrov case RTM_DELLINK: 685f545923bSNikolay Aleksandrov return RTM_DELVLAN; 686f545923bSNikolay Aleksandrov } 687f545923bSNikolay Aleksandrov 688f545923bSNikolay Aleksandrov return 0; 689f545923bSNikolay Aleksandrov } 690f545923bSNikolay Aleksandrov 691ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 692ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 693ae75767eSNikolay Aleksandrov { 694ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 695ae75767eSNikolay Aleksandrov } 696ae75767eSNikolay Aleksandrov 697a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 698a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 699a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 700a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 701a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 702a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 703a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 704a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 705ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 706ae75767eSNikolay Aleksandrov 7071da177e4SLinus Torvalds /* br_device.c */ 708348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 709348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 710348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 711cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 71291d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 71391d2c34aSHerbert Xu struct sk_buff *skb) 71491d2c34aSHerbert Xu { 715f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 71691d2c34aSHerbert Xu } 71791d2c34aSHerbert Xu 718a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 719348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 72091d2c34aSHerbert Xu #else 7219f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 72291d2c34aSHerbert Xu struct sk_buff *skb) 72391d2c34aSHerbert Xu { 72491d2c34aSHerbert Xu } 72591d2c34aSHerbert Xu 726a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 72791d2c34aSHerbert Xu { 72891d2c34aSHerbert Xu return 0; 72991d2c34aSHerbert Xu } 73091d2c34aSHerbert Xu 73191d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 73291d2c34aSHerbert Xu { 73391d2c34aSHerbert Xu } 734cfb478daSstephen hemminger #endif 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvalds /* br_fdb.c */ 737348662a1SJoe Perches int br_fdb_init(void); 738348662a1SJoe Perches void br_fdb_fini(void); 739eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 740eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 741348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 742424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 743424bb9c9SToshiaki Makita const struct net_bridge_port *p, 744424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 745348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 746348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 747f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 748348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7491ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 750bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 751bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 752bfd0aeacSNikolay Aleksandrov __u16 vid); 753348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 754348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 755348662a1SJoe Perches unsigned long off); 756348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 757348662a1SJoe Perches const unsigned char *addr, u16 vid); 758348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 759be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 76077162022SJohn Fastabend 761348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 762f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 763348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 76487b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 76587b0984eSPetr Machata struct netlink_ext_ack *extack); 766348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 767d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 76847674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 76947674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 77047674562SRoopa Prabhu struct netlink_ext_ack *extack); 7718db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7728db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7733aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 77445a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 775161d82deSPetr Machata bool swdev_notify); 7763aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 777161d82deSPetr Machata const unsigned char *addr, u16 vid, 778161d82deSPetr Machata bool swdev_notify); 7799fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 780e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 781b4454bc6SVladimir Oltean int br_fdb_replay(const struct net_device *br_dev, const void *ctx, bool adding, 782b4454bc6SVladimir Oltean struct notifier_block *nb); 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvalds /* br_forward.c */ 7858addd5e7SNikolay Aleksandrov enum br_pkt_type { 7868addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7878addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7888addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7898addd5e7SNikolay Aleksandrov }; 7900c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 791b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 79237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7930c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 79437b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7958addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7961da177e4SLinus Torvalds 7977d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7987d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7997d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8007d850abdSNikolay Aleksandrov { 8017d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8027d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8037d850abdSNikolay Aleksandrov } 8047d850abdSNikolay Aleksandrov 8051da177e4SLinus Torvalds /* br_if.c */ 806faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 807348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 808348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 809ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 810ca752be0SDavid Ahern struct netlink_ext_ack *extack); 811348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 812804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 813348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 814c8f44affSMichał Mirosław netdev_features_t features); 815e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8162796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8172756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8181da177e4SLinus Torvalds 8191da177e4SLinus Torvalds /* br_input.c */ 8200c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8219eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8221da177e4SLinus Torvalds 82390c628ddSHenrik Bjoernlund struct br_frame_type { 82490c628ddSHenrik Bjoernlund __be16 type; 82590c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 82690c628ddSHenrik Bjoernlund struct sk_buff *skb); 82790c628ddSHenrik Bjoernlund struct hlist_node list; 82890c628ddSHenrik Bjoernlund }; 82990c628ddSHenrik Bjoernlund 83090c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 83190c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 83290c628ddSHenrik Bjoernlund 833859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 834859828c0SJiri Pirko { 8359eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 836859828c0SJiri Pirko } 837859828c0SJiri Pirko 8384d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8394d4fd361SPetr Machata { 8409eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8414d4fd361SPetr Machata } 8424d4fd361SPetr Machata 843859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 844859828c0SJiri Pirko { 845859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 846859828c0SJiri Pirko } 847859828c0SJiri Pirko 8484d4fd361SPetr Machata static inline struct net_bridge_port * 8494d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8504d4fd361SPetr Machata { 8514d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8524d4fd361SPetr Machata } 8534d4fd361SPetr Machata 8541da177e4SLinus Torvalds /* br_ioctl.c */ 855561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 856561d8352SArnd Bergmann void __user *data, int cmd); 857ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 858ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8591da177e4SLinus Torvalds 860eb1d1641SHerbert Xu /* br_multicast.c */ 861eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 862f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 863f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 864f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 865fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 866adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 867eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8681080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 869348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 870348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 871348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 872348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 873851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 874851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 875348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 876348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 877e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 878adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 879adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 880adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 881a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 882348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 883ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 884ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 88562938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 886348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 887df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 888df271cd6SNikolay Aleksandrov unsigned long val); 889aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 890df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 891df271cd6SNikolay Aleksandrov unsigned long val); 892aa2ae3e7SNikolay Aleksandrov #endif 893348662a1SJoe Perches struct net_bridge_mdb_entry * 89419e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 895348662a1SJoe Perches struct net_bridge_mdb_entry * 89619e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 897348662a1SJoe Perches struct net_bridge_port_group * 898348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 899762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9008b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9018f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 90219e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 90319e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 90481f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 90581f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9061e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 907949f1e39SSatish Ashok int type); 908681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 909681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 910681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 911adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 912adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 913a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9141080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 915b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9161080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9171080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9181080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 91919e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 92019e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 92158d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 92258d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9231bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9248266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9258266a049SNikolay Aleksandrov u8 filter_mode); 9268266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9278266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 928474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 929474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 930d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 931d5a10222SNikolay Aleksandrov bool fastleave); 932613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 933613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 934613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 935613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 936613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 937613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 938613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 939613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9407b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 941f4b7002aSNikolay Aleksandrov void br_multicast_toggle_vlan(struct net_bridge_vlan *vlan, bool on); 942f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 943f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9449dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 94585b35269SSridhar Samudrala 9464e51bf44SVladimir Oltean int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, 9474e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 9484e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 949dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 950dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 951*c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 952*c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 953*c7fa1d9bSNikolay Aleksandrov int nest_attr); 954*c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 9554e51bf44SVladimir Oltean 956955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 957955062b0SNikolay Aleksandrov { 958955062b0SNikolay Aleksandrov return group->proto == 0; 959955062b0SNikolay Aleksandrov } 960955062b0SNikolay Aleksandrov 961cfd56754SCong Wang #define mlock_dereference(X, br) \ 962cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 963cfd56754SCong Wang 96444ebb081SLinus Lüssing static inline struct hlist_node * 965adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 966adc47037SNikolay Aleksandrov struct sk_buff *skb) 967d3d065c0SNikolay Aleksandrov { 968a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 969a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 970d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 971a3c02e76SLinus Lüssing #endif 972d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 97344ebb081SLinus Lüssing } 97444ebb081SLinus Lüssing 97544ebb081SLinus Lüssing static inline struct net_bridge_port * 976d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 977d3d065c0SNikolay Aleksandrov { 9789632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9799632233eSNikolay Aleksandrov 980a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 981a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9829632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9839632233eSNikolay Aleksandrov ip6_rlist); 9849632233eSNikolay Aleksandrov else 985a3c02e76SLinus Lüssing #endif 9869632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9879632233eSNikolay Aleksandrov ip4_rlist); 9889632233eSNikolay Aleksandrov 9899632233eSNikolay Aleksandrov if (mctx) 9909632233eSNikolay Aleksandrov return mctx->port; 9919632233eSNikolay Aleksandrov else 9929632233eSNikolay Aleksandrov return NULL; 99344ebb081SLinus Lüssing } 99444ebb081SLinus Lüssing 995d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 99685b35269SSridhar Samudrala { 997d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 9981a3065a2SLinus Lüssing } 9991a3065a2SLinus Lüssing 1000d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10011a3065a2SLinus Lüssing { 10021a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1003d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10041a3065a2SLinus Lüssing #else 10051a3065a2SLinus Lüssing return false; 10061a3065a2SLinus Lüssing #endif 10071a3065a2SLinus Lüssing } 10081a3065a2SLinus Lüssing 10091a3065a2SLinus Lüssing static inline bool 1010adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10111a3065a2SLinus Lüssing { 1012d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10131a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10141a3065a2SLinus Lüssing return true; 10151a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10161a3065a2SLinus Lüssing if (skb) { 10171a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1018d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10191a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1020d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10211a3065a2SLinus Lüssing } else { 1022d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1023d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10241a3065a2SLinus Lüssing } 10251a3065a2SLinus Lüssing fallthrough; 10261a3065a2SLinus Lüssing default: 10271a3065a2SLinus Lüssing return false; 10281a3065a2SLinus Lüssing } 102985b35269SSridhar Samudrala } 1030b00589afSLinus Lüssing 1031cc0fdd80SLinus Lüssing static inline bool 1032adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10330888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10340888d5f3Sdaniel const bool is_ipv6) 1035b00589afSLinus Lüssing { 10360888d5f3Sdaniel bool own_querier_enabled; 10370888d5f3Sdaniel 103862938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1039adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10400888d5f3Sdaniel own_querier_enabled = false; 10410888d5f3Sdaniel else 10420888d5f3Sdaniel own_querier_enabled = true; 10430888d5f3Sdaniel } else { 10440888d5f3Sdaniel own_querier_enabled = false; 10450888d5f3Sdaniel } 10460888d5f3Sdaniel 1047cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10480888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1049cc0fdd80SLinus Lüssing } 1050cc0fdd80SLinus Lüssing 1051adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1052955062b0SNikolay Aleksandrov struct ethhdr *eth, 1053955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1054cc0fdd80SLinus Lüssing { 1055cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1056cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1057adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1058adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1059cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1060cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1061adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1062adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1063cc0fdd80SLinus Lüssing #endif 1064cc0fdd80SLinus Lüssing default: 1065955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1066cc0fdd80SLinus Lüssing } 1067b00589afSLinus Lüssing } 10681080ab95SNikolay Aleksandrov 106988d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 107088d4bd18SNikolay Aleksandrov { 107188d4bd18SNikolay Aleksandrov switch (ip->proto) { 107288d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 107388d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 107488d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 107588d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 107688d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 107788d4bd18SNikolay Aleksandrov #endif 107888d4bd18SNikolay Aleksandrov default: 107988d4bd18SNikolay Aleksandrov return false; 108088d4bd18SNikolay Aleksandrov } 108188d4bd18SNikolay Aleksandrov } 108288d4bd18SNikolay Aleksandrov 1083adc47037SNikolay Aleksandrov static inline bool 1084adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 10858266a049SNikolay Aleksandrov __be16 proto) 10868266a049SNikolay Aleksandrov { 10878266a049SNikolay Aleksandrov switch (proto) { 10888266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1089adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 10908266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 10918266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1092adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 10938266a049SNikolay Aleksandrov #endif 10948266a049SNikolay Aleksandrov default: 10958266a049SNikolay Aleksandrov return false; 10968266a049SNikolay Aleksandrov } 10978266a049SNikolay Aleksandrov } 10988266a049SNikolay Aleksandrov 10991080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11001080ab95SNikolay Aleksandrov { 11011080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11021080ab95SNikolay Aleksandrov } 110342c11ccfSNikolay Aleksandrov 1104adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 110542c11ccfSNikolay Aleksandrov { 1106adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1107adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 110842c11ccfSNikolay Aleksandrov } 11090436862eSNikolay Aleksandrov 1110adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11110436862eSNikolay Aleksandrov { 11120436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 1113adc47037SNikolay Aleksandrov return 2 * brmctx->multicast_query_interval + 1114adc47037SNikolay Aleksandrov brmctx->multicast_query_response_interval; 11150436862eSNikolay Aleksandrov } 11167b54aaafSNikolay Aleksandrov 11177b54aaafSNikolay Aleksandrov static inline bool 11187b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11197b54aaafSNikolay Aleksandrov { 11207b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11217b54aaafSNikolay Aleksandrov } 11227b54aaafSNikolay Aleksandrov 11237b54aaafSNikolay Aleksandrov static inline bool 11247b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11257b54aaafSNikolay Aleksandrov { 11267b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11277b54aaafSNikolay Aleksandrov } 11287b54aaafSNikolay Aleksandrov 11297b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11307b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11317b54aaafSNikolay Aleksandrov { 11327b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11337b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11347b54aaafSNikolay Aleksandrov else 11357b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11367b54aaafSNikolay Aleksandrov } 11377b54aaafSNikolay Aleksandrov 11387b54aaafSNikolay Aleksandrov static inline bool 11397b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11407b54aaafSNikolay Aleksandrov { 1141f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1142f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11437b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11447b54aaafSNikolay Aleksandrov } 11457b54aaafSNikolay Aleksandrov 11467b54aaafSNikolay Aleksandrov static inline bool 11477b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11487b54aaafSNikolay Aleksandrov { 11497b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11507b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11517b54aaafSNikolay Aleksandrov } 11527b54aaafSNikolay Aleksandrov 11537b54aaafSNikolay Aleksandrov static inline bool 11547b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11557b54aaafSNikolay Aleksandrov { 11567b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11577b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11587b54aaafSNikolay Aleksandrov } 11594cdd0d10SNikolay Aleksandrov 11604cdd0d10SNikolay Aleksandrov static inline bool 11614cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11624cdd0d10SNikolay Aleksandrov { 11634cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11644cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11654cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11664cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11674cdd0d10SNikolay Aleksandrov } 11684cdd0d10SNikolay Aleksandrov 11694cdd0d10SNikolay Aleksandrov static inline bool 11704cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11714cdd0d10SNikolay Aleksandrov { 11724cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11734cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11744cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11754cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11764cdd0d10SNikolay Aleksandrov } 1177df271cd6SNikolay Aleksandrov 1178df271cd6SNikolay Aleksandrov static inline bool 1179dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1180dc002875SNikolay Aleksandrov { 1181dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1182dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1183dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1184dc002875SNikolay Aleksandrov #else 1185dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1186dc002875SNikolay Aleksandrov #endif 1187dc002875SNikolay Aleksandrov } 1188dc002875SNikolay Aleksandrov 1189dc002875SNikolay Aleksandrov static inline bool 1190df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1191df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1192df271cd6SNikolay Aleksandrov { 1193df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1194df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1195931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1196931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 119750725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 119850725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 119977f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 120077f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12012da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12022da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1203cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1204cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1205d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1206d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 120742521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 120842521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1209941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1210941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 121162938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1212a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1213dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1214dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1215df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1216df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1217df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1218df271cd6SNikolay Aleksandrov #endif 1219df271cd6SNikolay Aleksandrov true; 1220df271cd6SNikolay Aleksandrov } 1221cb486ce9SNikolay Aleksandrov 1222cb486ce9SNikolay Aleksandrov static inline bool 1223cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1224cb486ce9SNikolay Aleksandrov { 1225cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1226cb486ce9SNikolay Aleksandrov 1227cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1228cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1229cb486ce9SNikolay Aleksandrov 1230cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1231cb486ce9SNikolay Aleksandrov } 1232eb1d1641SHerbert Xu #else 1233f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1234f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1235f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 123606499098SVlad Yasevich struct sk_buff *skb, 123706499098SVlad Yasevich u16 vid) 1238eb1d1641SHerbert Xu { 1239eb1d1641SHerbert Xu return 0; 1240eb1d1641SHerbert Xu } 1241eb1d1641SHerbert Xu 1242adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1243fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1244eb1d1641SHerbert Xu { 1245eb1d1641SHerbert Xu return NULL; 1246eb1d1641SHerbert Xu } 1247eb1d1641SHerbert Xu 12481080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1249eb1d1641SHerbert Xu { 12501080ab95SNikolay Aleksandrov return 0; 1251eb1d1641SHerbert Xu } 1252eb1d1641SHerbert Xu 1253eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1254eb1d1641SHerbert Xu { 1255eb1d1641SHerbert Xu } 1256eb1d1641SHerbert Xu 1257eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1258eb1d1641SHerbert Xu { 1259eb1d1641SHerbert Xu } 1260eb1d1641SHerbert Xu 1261eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1262eb1d1641SHerbert Xu { 1263eb1d1641SHerbert Xu } 1264eb1d1641SHerbert Xu 1265eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1266eb1d1641SHerbert Xu { 1267eb1d1641SHerbert Xu } 1268eb1d1641SHerbert Xu 1269851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1270851d0a73SJoseph Huang { 1271851d0a73SJoseph Huang } 1272851d0a73SJoseph Huang 1273851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1274851d0a73SJoseph Huang { 1275851d0a73SJoseph Huang } 1276851d0a73SJoseph Huang 1277eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1278eb1d1641SHerbert Xu { 1279eb1d1641SHerbert Xu } 1280eb1d1641SHerbert Xu 1281eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1282eb1d1641SHerbert Xu { 1283eb1d1641SHerbert Xu } 12845cb5e947SHerbert Xu 1285a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1286a7ce45a7SNikolay Aleksandrov { 1287a7ce45a7SNikolay Aleksandrov } 1288a7ce45a7SNikolay Aleksandrov 128937b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 129037b090e6SNikolay Aleksandrov struct sk_buff *skb, 1291adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 129237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 12935cb5e947SHerbert Xu { 12945cb5e947SHerbert Xu } 12955cb5e947SHerbert Xu 1296adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1297bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1298eb1d1641SHerbert Xu { 129903aaa9e2SGustavo A. R. Silva return false; 1300eb1d1641SHerbert Xu } 130137b090e6SNikolay Aleksandrov 1302adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1303c43fd36fSVladimir Oltean struct ethhdr *eth, 1304c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1305b00589afSLinus Lüssing { 1306b00589afSLinus Lüssing return false; 1307b00589afSLinus Lüssing } 130837b090e6SNikolay Aleksandrov 1309fdb184d1SRami Rosen static inline void br_mdb_init(void) 1310fdb184d1SRami Rosen { 1311fdb184d1SRami Rosen } 131237b090e6SNikolay Aleksandrov 1313fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1314fdb184d1SRami Rosen { 1315fdb184d1SRami Rosen } 13161080ab95SNikolay Aleksandrov 131719e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 131819e3a9c9SNikolay Aleksandrov { 131919e3a9c9SNikolay Aleksandrov return 0; 132019e3a9c9SNikolay Aleksandrov } 132119e3a9c9SNikolay Aleksandrov 132219e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 132319e3a9c9SNikolay Aleksandrov { 132419e3a9c9SNikolay Aleksandrov } 132519e3a9c9SNikolay Aleksandrov 13261080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13271080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1328a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1329a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13301080ab95SNikolay Aleksandrov { 13311080ab95SNikolay Aleksandrov } 13321080ab95SNikolay Aleksandrov 13331080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13341080ab95SNikolay Aleksandrov { 13351080ab95SNikolay Aleksandrov return 0; 13361080ab95SNikolay Aleksandrov } 13371080ab95SNikolay Aleksandrov 1338b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1339b6fe0440SIdo Schimmel { 1340b6fe0440SIdo Schimmel } 1341b6fe0440SIdo Schimmel 13421080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13431080ab95SNikolay Aleksandrov { 13441080ab95SNikolay Aleksandrov return 0; 13451080ab95SNikolay Aleksandrov } 1346613d61dbSNikolay Aleksandrov 1347613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1348613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1349613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1350613d61dbSNikolay Aleksandrov { 1351613d61dbSNikolay Aleksandrov } 1352613d61dbSNikolay Aleksandrov 1353613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1354613d61dbSNikolay Aleksandrov { 1355613d61dbSNikolay Aleksandrov } 1356613d61dbSNikolay Aleksandrov 1357613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1358613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1359613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1360613d61dbSNikolay Aleksandrov { 1361613d61dbSNikolay Aleksandrov } 1362613d61dbSNikolay Aleksandrov 1363613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1364613d61dbSNikolay Aleksandrov { 1365613d61dbSNikolay Aleksandrov } 13667b54aaafSNikolay Aleksandrov 13677b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13687b54aaafSNikolay Aleksandrov bool on) 13697b54aaafSNikolay Aleksandrov { 13707b54aaafSNikolay Aleksandrov } 1371f4b7002aSNikolay Aleksandrov 1372f4b7002aSNikolay Aleksandrov static inline void br_multicast_toggle_vlan(struct net_bridge_vlan *vlan, 1373f4b7002aSNikolay Aleksandrov bool on) 1374f4b7002aSNikolay Aleksandrov { 1375f4b7002aSNikolay Aleksandrov } 1376f4b7002aSNikolay Aleksandrov 1377f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1378f4b7002aSNikolay Aleksandrov bool on, 1379f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1380f4b7002aSNikolay Aleksandrov { 1381f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1382f4b7002aSNikolay Aleksandrov } 13839dee572cSNikolay Aleksandrov 13849dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13859dee572cSNikolay Aleksandrov bool on) 13869dee572cSNikolay Aleksandrov { 13879dee572cSNikolay Aleksandrov return false; 13889dee572cSNikolay Aleksandrov } 13894e51bf44SVladimir Oltean 13904e51bf44SVladimir Oltean static inline int br_mdb_replay(struct net_device *br_dev, 13914e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 13924e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 13934e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 13944e51bf44SVladimir Oltean { 13954e51bf44SVladimir Oltean return -EOPNOTSUPP; 13964e51bf44SVladimir Oltean } 1397df271cd6SNikolay Aleksandrov 1398df271cd6SNikolay Aleksandrov static inline bool 1399df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1400df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1401df271cd6SNikolay Aleksandrov { 1402df271cd6SNikolay Aleksandrov return true; 1403df271cd6SNikolay Aleksandrov } 140485b35269SSridhar Samudrala #endif 1405eb1d1641SHerbert Xu 1406243a2e63SVlad Yasevich /* br_vlan.c */ 1407243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 140877751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 140977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1410f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1411f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 141277751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 141385f46c6bSVlad Yasevich const struct sk_buff *skb); 1414e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1415348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 141611538d03SRoopa Prabhu const struct net_bridge_port *port, 14172594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 141878851988SVlad Yasevich struct sk_buff *skb); 1419f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1420169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1421348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1422348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14232594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1424204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14259e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14269e781401SVladimir Oltean struct netlink_ext_ack *extack); 1427dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1428dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14299e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14309e781401SVladimir Oltean struct netlink_ext_ack *extack); 14316dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14329163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14335be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14349e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14359e781401SVladimir Oltean struct netlink_ext_ack *extack); 1436169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1437169327d5SPetr Machata struct netlink_ext_ack *extack); 1438f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1439169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1440348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1441348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1442169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14432594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1444a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1445281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14469c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1447091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14489c0ec2e7SMike Manning void *ptr); 14498dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14508dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1451cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1452cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1453cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1454cf5bddb9SNikolay Aleksandrov int cmd); 14554e51bf44SVladimir Oltean int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, 14564e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 14574e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 1458a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1459a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1460a37b85c9SVlad Yasevich 1461bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1462bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1463bcf2766bSFelix Fietkau struct net_device_path *path); 1464bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1465bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1466bcf2766bSFelix Fietkau struct net_device_path *path); 1467bcf2766bSFelix Fietkau 14682594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1469a37b85c9SVlad Yasevich const struct net_bridge *br) 1470a37b85c9SVlad Yasevich { 1471907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1472a37b85c9SVlad Yasevich } 1473a37b85c9SVlad Yasevich 14742594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1475a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1476a37b85c9SVlad Yasevich { 1477907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1478907b1e6eSNikolay Aleksandrov } 1479907b1e6eSNikolay Aleksandrov 1480907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1481907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1482907b1e6eSNikolay Aleksandrov { 1483907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1484907b1e6eSNikolay Aleksandrov } 1485907b1e6eSNikolay Aleksandrov 1486907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1487907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1488907b1e6eSNikolay Aleksandrov { 1489907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1490a37b85c9SVlad Yasevich } 1491a37b85c9SVlad Yasevich 1492a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1493a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1494a37b85c9SVlad Yasevich */ 1495a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1496a37b85c9SVlad Yasevich { 1497a37b85c9SVlad Yasevich int err = 0; 1498a37b85c9SVlad Yasevich 14992594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15005978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15012594e906SNikolay Aleksandrov } else { 1502a37b85c9SVlad Yasevich *vid = 0; 1503a37b85c9SVlad Yasevich err = -EINVAL; 1504a37b85c9SVlad Yasevich } 1505a37b85c9SVlad Yasevich 1506a37b85c9SVlad Yasevich return err; 1507a37b85c9SVlad Yasevich } 150878851988SVlad Yasevich 150977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 151078851988SVlad Yasevich { 151177751ee8SNikolay Aleksandrov if (!vg) 15125be5a2dfSVlad Yasevich return 0; 15135be5a2dfSVlad Yasevich 151478851988SVlad Yasevich smp_rmb(); 151577751ee8SNikolay Aleksandrov return vg->pvid; 151678851988SVlad Yasevich } 151778851988SVlad Yasevich 15188dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15198dcea187SNikolay Aleksandrov { 15208dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15218dcea187SNikolay Aleksandrov } 1522243a2e63SVlad Yasevich #else 152377751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 152477751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15252594e906SNikolay Aleksandrov struct sk_buff *skb, 1526f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1527f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1528f4b7002aSNikolay Aleksandrov 15292594e906SNikolay Aleksandrov { 1530f4b7002aSNikolay Aleksandrov *vlan = NULL; 15312594e906SNikolay Aleksandrov return true; 15322594e906SNikolay Aleksandrov } 15332594e906SNikolay Aleksandrov 15342594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 153585f46c6bSVlad Yasevich const struct sk_buff *skb) 153685f46c6bSVlad Yasevich { 153785f46c6bSVlad Yasevich return true; 153885f46c6bSVlad Yasevich } 153985f46c6bSVlad Yasevich 1540e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1541e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1542e0d7968aSToshiaki Makita { 1543e0d7968aSToshiaki Makita return true; 1544e0d7968aSToshiaki Makita } 1545e0d7968aSToshiaki Makita 154678851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 154711538d03SRoopa Prabhu const struct net_bridge_port *port, 15482594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 154978851988SVlad Yasevich struct sk_buff *skb) 155078851988SVlad Yasevich { 155178851988SVlad Yasevich return skb; 155278851988SVlad Yasevich } 155378851988SVlad Yasevich 1554f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1555169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1556243a2e63SVlad Yasevich { 1557f418af63SNikolay Aleksandrov *changed = false; 1558243a2e63SVlad Yasevich return -EOPNOTSUPP; 1559243a2e63SVlad Yasevich } 1560243a2e63SVlad Yasevich 1561243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1562243a2e63SVlad Yasevich { 1563243a2e63SVlad Yasevich return -EOPNOTSUPP; 1564243a2e63SVlad Yasevich } 1565243a2e63SVlad Yasevich 1566243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1567243a2e63SVlad Yasevich { 1568243a2e63SVlad Yasevich } 1569243a2e63SVlad Yasevich 1570204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1571204177f3SToshiaki Makita { 1572204177f3SToshiaki Makita } 1573204177f3SToshiaki Makita 15745be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15758580e211SToshiaki Makita { 15765be5a2dfSVlad Yasevich return 0; 15778580e211SToshiaki Makita } 15788580e211SToshiaki Makita 1579f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1580169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1581243a2e63SVlad Yasevich { 1582f418af63SNikolay Aleksandrov *changed = false; 1583243a2e63SVlad Yasevich return -EOPNOTSUPP; 1584243a2e63SVlad Yasevich } 1585243a2e63SVlad Yasevich 1586243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1587243a2e63SVlad Yasevich { 1588243a2e63SVlad Yasevich return -EOPNOTSUPP; 1589243a2e63SVlad Yasevich } 1590243a2e63SVlad Yasevich 1591243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1592243a2e63SVlad Yasevich { 1593243a2e63SVlad Yasevich } 1594243a2e63SVlad Yasevich 15952594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 15962594e906SNikolay Aleksandrov u16 vid) 1597a37b85c9SVlad Yasevich { 1598a37b85c9SVlad Yasevich return NULL; 1599a37b85c9SVlad Yasevich } 1600bc9a25d2SVlad Yasevich 1601169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1602169327d5SPetr Machata struct netlink_ext_ack *extack) 16035be5a2dfSVlad Yasevich { 16045be5a2dfSVlad Yasevich return 0; 16055be5a2dfSVlad Yasevich } 16065be5a2dfSVlad Yasevich 160778851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1608a37b85c9SVlad Yasevich { 1609a37b85c9SVlad Yasevich return 0; 1610a37b85c9SVlad Yasevich } 16112594e906SNikolay Aleksandrov 161277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 161378851988SVlad Yasevich { 16143df6bf45SVlad Yasevich return 0; 161578851988SVlad Yasevich } 16162796d0c6SVlad Yasevich 16177a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1618c97f47e3SVladimir Oltean unsigned long val, 1619c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1620a7854037SNikolay Aleksandrov { 1621a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1622a7854037SNikolay Aleksandrov } 16232594e906SNikolay Aleksandrov 16242594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16252594e906SNikolay Aleksandrov u32 filter_mask) 16262594e906SNikolay Aleksandrov { 16272594e906SNikolay Aleksandrov return 0; 16282594e906SNikolay Aleksandrov } 16292594e906SNikolay Aleksandrov 1630bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1631bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1632bcf2766bSFelix Fietkau struct net_device_path *path) 1633bcf2766bSFelix Fietkau { 1634bcf2766bSFelix Fietkau } 1635bcf2766bSFelix Fietkau 1636bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1637bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1638bcf2766bSFelix Fietkau struct net_device_path *path) 1639bcf2766bSFelix Fietkau { 1640bcf2766bSFelix Fietkau return 0; 1641bcf2766bSFelix Fietkau } 1642bcf2766bSFelix Fietkau 16432594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16442594e906SNikolay Aleksandrov const struct net_bridge *br) 16452594e906SNikolay Aleksandrov { 16462594e906SNikolay Aleksandrov return NULL; 16472594e906SNikolay Aleksandrov } 16482594e906SNikolay Aleksandrov 16492594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16502594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16512594e906SNikolay Aleksandrov { 16522594e906SNikolay Aleksandrov return NULL; 16532594e906SNikolay Aleksandrov } 1654907b1e6eSNikolay Aleksandrov 1655907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1656907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1657907b1e6eSNikolay Aleksandrov { 1658907b1e6eSNikolay Aleksandrov return NULL; 1659907b1e6eSNikolay Aleksandrov } 1660907b1e6eSNikolay Aleksandrov 1661907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1662907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1663907b1e6eSNikolay Aleksandrov { 1664907b1e6eSNikolay Aleksandrov return NULL; 1665907b1e6eSNikolay Aleksandrov } 1666a60c0903SNikolay Aleksandrov 1667a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1668281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1669a60c0903SNikolay Aleksandrov { 1670a60c0903SNikolay Aleksandrov } 16719c0ec2e7SMike Manning 16729c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16739c0ec2e7SMike Manning unsigned long event) 16749c0ec2e7SMike Manning { 16759c0ec2e7SMike Manning } 16769c0ec2e7SMike Manning 1677091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16789c0ec2e7SMike Manning unsigned long event, void *ptr) 16799c0ec2e7SMike Manning { 1680091adf9bSNikolay Aleksandrov return 0; 16819c0ec2e7SMike Manning } 16828dcea187SNikolay Aleksandrov 16838dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16848dcea187SNikolay Aleksandrov { 16858dcea187SNikolay Aleksandrov } 16868dcea187SNikolay Aleksandrov 16878dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16888dcea187SNikolay Aleksandrov { 16898dcea187SNikolay Aleksandrov } 1690cf5bddb9SNikolay Aleksandrov 1691cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1692cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1693cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1694cf5bddb9SNikolay Aleksandrov int cmd) 1695cf5bddb9SNikolay Aleksandrov { 1696cf5bddb9SNikolay Aleksandrov } 1697528ae84aSNikolay Aleksandrov 1698528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1699528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1700528ae84aSNikolay Aleksandrov { 1701528ae84aSNikolay Aleksandrov return true; 1702528ae84aSNikolay Aleksandrov } 17034e51bf44SVladimir Oltean 17044e51bf44SVladimir Oltean static inline int br_vlan_replay(struct net_device *br_dev, 17054e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 17064e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 17074e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 17084e51bf44SVladimir Oltean { 17094e51bf44SVladimir Oltean return -EOPNOTSUPP; 17104e51bf44SVladimir Oltean } 1711243a2e63SVlad Yasevich #endif 1712243a2e63SVlad Yasevich 17137a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17147a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 171599f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 171699f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17177a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17187a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1719a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1720a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1721a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1722a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1723a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1724a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 172547ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 172647ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 172747ecd2dbSNikolay Aleksandrov int cmd, 172847ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1729743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1730743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1731743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1732743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1733a580c76dSNikolay Aleksandrov 1734a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1735a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1736a580c76dSNikolay Aleksandrov { 1737a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1738a580c76dSNikolay Aleksandrov } 1739a580c76dSNikolay Aleksandrov 1740a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1741a580c76dSNikolay Aleksandrov { 1742a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1743a580c76dSNikolay Aleksandrov } 1744a580c76dSNikolay Aleksandrov 1745a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1746a580c76dSNikolay Aleksandrov { 1747a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1748a580c76dSNikolay Aleksandrov } 1749a580c76dSNikolay Aleksandrov 1750a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1751a580c76dSNikolay Aleksandrov u8 state) 1752a580c76dSNikolay Aleksandrov { 1753a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1754a580c76dSNikolay Aleksandrov } 1755a580c76dSNikolay Aleksandrov 1756a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1757a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1758a580c76dSNikolay Aleksandrov { 1759a580c76dSNikolay Aleksandrov switch (state) { 1760a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1761a580c76dSNikolay Aleksandrov return learn_allow; 1762a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1763a580c76dSNikolay Aleksandrov return true; 1764a580c76dSNikolay Aleksandrov default: 1765a580c76dSNikolay Aleksandrov return false; 1766a580c76dSNikolay Aleksandrov } 1767a580c76dSNikolay Aleksandrov } 17687a53e718SNikolay Aleksandrov #endif 17697a53e718SNikolay Aleksandrov 17701a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17711a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17721a4ba64dSPablo Neira Ayuso }; 17731a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17741a4ba64dSPablo Neira Ayuso 17751da177e4SLinus Torvalds /* br_netfilter.c */ 177634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 177734666d46SPablo Neira Ayuso int br_nf_core_init(void); 177834666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1779348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1780c0909713SStephen Hemminger #else 178134666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 178234666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17834adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1784c0909713SStephen Hemminger #endif 17851da177e4SLinus Torvalds 17861da177e4SLinus Torvalds /* br_stp.c */ 1787775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1788348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1789348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1790348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 17911da177e4SLinus Torvalds 1792348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1793348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1794348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1795348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 179682dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 17979e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 179814f98f25Sstephen hemminger 179914f98f25Sstephen hemminger 18001da177e4SLinus Torvalds /* br_stp_if.c */ 1801348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1802348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1803419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1804419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1805348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1806348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1807348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1808348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1809348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1810348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1811348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1812348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18131da177e4SLinus Torvalds 18141da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18157c85fbf0SPatrick McHardy struct stp_proto; 1816348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18177c85fbf0SPatrick McHardy struct net_device *dev); 18181da177e4SLinus Torvalds 18191da177e4SLinus Torvalds /* br_stp_timer.c */ 1820348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1821348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1822348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18231da177e4SLinus Torvalds 18241da177e4SLinus Torvalds /* br.c */ 1825e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1826da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1827da678292SMichał Mirosław #endif 18281da177e4SLinus Torvalds 182965369933SHoratiu Vultur /* br_mrp.c */ 183065369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 183165369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 183265369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 183365369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 183465369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1835df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 183665369933SHoratiu Vultur #else 183765369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 183865369933SHoratiu Vultur struct nlattr *attr, int cmd, 183965369933SHoratiu Vultur struct netlink_ext_ack *extack) 184065369933SHoratiu Vultur { 184165369933SHoratiu Vultur return -EOPNOTSUPP; 184265369933SHoratiu Vultur } 184365369933SHoratiu Vultur 184465369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 184565369933SHoratiu Vultur { 18468741e184SJason Yan return false; 184765369933SHoratiu Vultur } 184865369933SHoratiu Vultur 184965369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 185065369933SHoratiu Vultur struct net_bridge_port *p) 185165369933SHoratiu Vultur { 185265369933SHoratiu Vultur } 1853df42ef22SHoratiu Vultur 1854df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1855df42ef22SHoratiu Vultur { 1856df42ef22SHoratiu Vultur return 0; 1857df42ef22SHoratiu Vultur } 1858df42ef22SHoratiu Vultur 185965369933SHoratiu Vultur #endif 186065369933SHoratiu Vultur 18612be665c3SHenrik Bjoernlund /* br_cfm.c */ 186286a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18632be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18642be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18652be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 186686a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18675e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1868b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1869b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1870b6d0425bSHenrik Bjoernlund bool getlink); 1871b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1872b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 187386a14b79SHenrik Bjoernlund #else 18742be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18752be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18762be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18772be665c3SHenrik Bjoernlund { 18782be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18792be665c3SHenrik Bjoernlund } 18802be665c3SHenrik Bjoernlund 18812be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18822be665c3SHenrik Bjoernlund { 18832be665c3SHenrik Bjoernlund return false; 18842be665c3SHenrik Bjoernlund } 18852be665c3SHenrik Bjoernlund 188686a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 188786a14b79SHenrik Bjoernlund struct net_bridge_port *p) 188886a14b79SHenrik Bjoernlund { 188986a14b79SHenrik Bjoernlund } 18905e312fc0SHenrik Bjoernlund 18915e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 18925e312fc0SHenrik Bjoernlund { 18935e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 18945e312fc0SHenrik Bjoernlund } 1895e77824d8SHenrik Bjoernlund 1896b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1897b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1898b6d0425bSHenrik Bjoernlund bool getlink) 1899b6d0425bSHenrik Bjoernlund { 1900b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1901b6d0425bSHenrik Bjoernlund } 1902b6d0425bSHenrik Bjoernlund 1903b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1904b6d0425bSHenrik Bjoernlund { 1905b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1906b6d0425bSHenrik Bjoernlund } 1907b6d0425bSHenrik Bjoernlund 1908b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1909e77824d8SHenrik Bjoernlund { 1910e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1911e77824d8SHenrik Bjoernlund } 191286a14b79SHenrik Bjoernlund #endif 191386a14b79SHenrik Bjoernlund 191411dc1f36SStephen Hemminger /* br_netlink.c */ 1915149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1916348662a1SJoe Perches int br_netlink_init(void); 1917348662a1SJoe Perches void br_netlink_fini(void); 191892899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 191992899063SNikolay Aleksandrov const struct net_bridge_port *port); 1920b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1921b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19222fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19232fd527b7SPetr Machata struct netlink_ext_ack *extack); 1924add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1925348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 192646c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1927f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1928f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1929f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1930f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1931f26b2965SNikolay Aleksandrov bool *changed, 1932f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 193311dc1f36SStephen Hemminger 19341da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19351da177e4SLinus Torvalds /* br_sysfs_if.c */ 193652cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1937348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1938348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19391da177e4SLinus Torvalds 19401da177e4SLinus Torvalds /* br_sysfs_br.c */ 1941348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1942348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19431da177e4SLinus Torvalds 19441da177e4SLinus Torvalds #else 19451da177e4SLinus Torvalds 19460cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19470cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19480cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19490cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19501da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19511da177e4SLinus Torvalds 19526bc506b4SIdo Schimmel /* br_switchdev.c */ 19536bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1954957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1955957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1956957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1957957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1958957e2235SVladimir Oltean bool tx_fwd_offload, 1959957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1960957e2235SVladimir Oltean 1961957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1962957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1963957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1964957e2235SVladimir Oltean 196547211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 196647211192STobias Waldekranz 1967c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1968c5381154SVladimir Oltean 196947211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 197047211192STobias Waldekranz struct sk_buff *skb); 197147211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 197247211192STobias Waldekranz struct sk_buff *skb); 19736bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19746bc506b4SIdo Schimmel struct sk_buff *skb); 19756bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19766bc506b4SIdo Schimmel const struct sk_buff *skb); 19773922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19783922285dSArkadi Sharshevsky unsigned long flags, 1979078bbb85SVladimir Oltean unsigned long mask, 1980078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19816eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19826eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1983169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1984169327d5SPetr Machata struct netlink_ext_ack *extack); 1985d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 198685826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1987f1c2eddfSIdo Schimmel 1988f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1989f1c2eddfSIdo Schimmel { 1990f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1991f1c2eddfSIdo Schimmel } 19926bc506b4SIdo Schimmel #else 1993957e2235SVladimir Oltean static inline int 1994957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 1995957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1996957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1997957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1998957e2235SVladimir Oltean bool tx_fwd_offload, 1999957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2000957e2235SVladimir Oltean { 2001957e2235SVladimir Oltean return -EOPNOTSUPP; 2002957e2235SVladimir Oltean } 2003957e2235SVladimir Oltean 2004957e2235SVladimir Oltean static inline void 2005957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2006957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2007957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2008957e2235SVladimir Oltean { 2009957e2235SVladimir Oltean } 2010957e2235SVladimir Oltean 201147211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 201247211192STobias Waldekranz { 201347211192STobias Waldekranz return false; 201447211192STobias Waldekranz } 201547211192STobias Waldekranz 2016c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2017c5381154SVladimir Oltean { 2018c5381154SVladimir Oltean } 2019c5381154SVladimir Oltean 202047211192STobias Waldekranz static inline void 202147211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 202247211192STobias Waldekranz struct sk_buff *skb) 202347211192STobias Waldekranz { 202447211192STobias Waldekranz } 202547211192STobias Waldekranz 202647211192STobias Waldekranz static inline void 202747211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 202847211192STobias Waldekranz struct sk_buff *skb) 202947211192STobias Waldekranz { 203047211192STobias Waldekranz } 203147211192STobias Waldekranz 20326bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20336bc506b4SIdo Schimmel struct sk_buff *skb) 20346bc506b4SIdo Schimmel { 20356bc506b4SIdo Schimmel } 20366bc506b4SIdo Schimmel 20376bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20386bc506b4SIdo Schimmel const struct sk_buff *skb) 20396bc506b4SIdo Schimmel { 20406bc506b4SIdo Schimmel return true; 20416bc506b4SIdo Schimmel } 20423922285dSArkadi Sharshevsky 20433922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20443922285dSArkadi Sharshevsky unsigned long flags, 2045078bbb85SVladimir Oltean unsigned long mask, 2046078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20473922285dSArkadi Sharshevsky { 20483922285dSArkadi Sharshevsky return 0; 20493922285dSArkadi Sharshevsky } 20506b26b51bSArkadi Sharshevsky 2051d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2052169327d5SPetr Machata u16 vid, u16 flags, 2053169327d5SPetr Machata struct netlink_ext_ack *extack) 2054d66e4348SPetr Machata { 2055d66e4348SPetr Machata return -EOPNOTSUPP; 2056d66e4348SPetr Machata } 2057d66e4348SPetr Machata 2058d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2059d66e4348SPetr Machata { 2060d66e4348SPetr Machata return -EOPNOTSUPP; 2061d66e4348SPetr Machata } 2062d66e4348SPetr Machata 20636b26b51bSArkadi Sharshevsky static inline void 20646eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20656eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20666b26b51bSArkadi Sharshevsky { 20676b26b51bSArkadi Sharshevsky } 2068f1c2eddfSIdo Schimmel 2069f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2070f1c2eddfSIdo Schimmel { 2071f1c2eddfSIdo Schimmel } 207285826610STobias Waldekranz 207385826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 207485826610STobias Waldekranz { 207585826610STobias Waldekranz } 207685826610STobias Waldekranz 20776bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20786bc506b4SIdo Schimmel 2079057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2080821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2081057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2082057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2083ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2084ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2085ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20861da177e4SLinus Torvalds #endif 2087