12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 31d08c6bc0SNikolay Aleksandrov 3285826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3385826610STobias Waldekranz 349cde0708SStephen Hemminger #define BR_VERSION "2.3" 359cde0708SStephen Hemminger 36515853ccSstephen hemminger /* Control of forwarding link local multicast */ 37515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 38784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 395af48b59SNikolay Aleksandrov enum { 405af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 415af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 425af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 435af48b59SNikolay Aleksandrov }; 445af48b59SNikolay Aleksandrov 455af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 465af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 47f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 48f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 49515853ccSstephen hemminger 509cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 519cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 528cbb512eSStephen Hemminger 5331cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5431cbc39bSNikolay Aleksandrov 551da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 561da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 571da177e4SLinus Torvalds typedef __u16 port_id; 581da177e4SLinus Torvalds 591c1cb6d0SNikolay Aleksandrov struct bridge_id { 601da177e4SLinus Torvalds unsigned char prio[2]; 61e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 621da177e4SLinus Torvalds }; 631da177e4SLinus Torvalds 641c1cb6d0SNikolay Aleksandrov struct mac_addr { 65e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 661da177e4SLinus Torvalds }; 671da177e4SLinus Torvalds 68cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 69cc0fdd80SLinus Lüssing /* our own querier */ 7090010b36SLinus Lüssing struct bridge_mcast_own_query { 71cc0fdd80SLinus Lüssing struct timer_list timer; 72cc0fdd80SLinus Lüssing u32 startup_sent; 73cc0fdd80SLinus Lüssing }; 74cc0fdd80SLinus Lüssing 75cc0fdd80SLinus Lüssing /* other querier */ 7690010b36SLinus Lüssing struct bridge_mcast_other_query { 77cc0fdd80SLinus Lüssing struct timer_list timer; 78cc0fdd80SLinus Lüssing unsigned long delay_time; 79cc0fdd80SLinus Lüssing }; 80dc4eb53aSLinus Lüssing 81dc4eb53aSLinus Lüssing /* selected querier */ 82dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 83dc4eb53aSLinus Lüssing struct br_ip addr; 84bb18ef8eSNikolay Aleksandrov int port_ifidx; 85f936bb42SThomas Gleixner seqcount_spinlock_t seq; 86dc4eb53aSLinus Lüssing }; 871080ab95SNikolay Aleksandrov 881080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 891080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 901080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 911080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 921080ab95SNikolay Aleksandrov }; 93cc0fdd80SLinus Lüssing #endif 94cc0fdd80SLinus Lüssing 959632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 969632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 979632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 989632233eSNikolay Aleksandrov struct net_bridge_port *port; 99613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1009632233eSNikolay Aleksandrov 1019632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1029632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1039632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1049632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1059632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1069632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1079632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1089632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1099632233eSNikolay Aleksandrov unsigned char multicast_router; 1109632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1119632233eSNikolay Aleksandrov }; 1129632233eSNikolay Aleksandrov 113d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 114d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 115d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 116d3d065c0SNikolay Aleksandrov struct net_bridge *br; 117613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 118d3d065c0SNikolay Aleksandrov 119d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 120d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 121d3d065c0SNikolay Aleksandrov 1224d5b4e84SNikolay Aleksandrov u8 multicast_querier; 123d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 124d3d065c0SNikolay Aleksandrov u8 multicast_router; 125d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 126d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 127d3d065c0SNikolay Aleksandrov #endif 128d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 129d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 130d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 133d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 134d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 135d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 136d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 137d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 139d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 140d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 141d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 142d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 143d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 144d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 145d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 146d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 147d3d065c0SNikolay Aleksandrov }; 148d3d065c0SNikolay Aleksandrov 149efa5356bSRoopa Prabhu struct br_tunnel_info { 150efa5356bSRoopa Prabhu __be64 tunnel_id; 15158e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 152efa5356bSRoopa Prabhu }; 153efa5356bSRoopa Prabhu 1549d332e69SNikolay Aleksandrov /* private vlan flags */ 1559d332e69SNikolay Aleksandrov enum { 1569d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15727973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1587b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1597b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1609d332e69SNikolay Aleksandrov }; 1619d332e69SNikolay Aleksandrov 1622594e906SNikolay Aleksandrov /** 1632594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1642594e906SNikolay Aleksandrov * 1652594e906SNikolay Aleksandrov * @vnode: rhashtable member 1662594e906SNikolay Aleksandrov * @vid: VLAN id 1672594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1689d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 169a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1706dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1712594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1722594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1732594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1742594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1752594e906SNikolay Aleksandrov * for this VLAN entry 176613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 177613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 178613d61dbSNikolay Aleksandrov * context 1792594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1802594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1812594e906SNikolay Aleksandrov * 1822594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1832594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1842594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1852594e906SNikolay Aleksandrov * the entry flags that are set. 1862594e906SNikolay Aleksandrov */ 1872594e906SNikolay Aleksandrov struct net_bridge_vlan { 1882594e906SNikolay Aleksandrov struct rhash_head vnode; 189efa5356bSRoopa Prabhu struct rhash_head tnode; 1902594e906SNikolay Aleksandrov u16 vid; 1912594e906SNikolay Aleksandrov u16 flags; 1929d332e69SNikolay Aleksandrov u16 priv_flags; 193a580c76dSNikolay Aleksandrov u8 state; 194281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 195243a2e63SVlad Yasevich union { 196243a2e63SVlad Yasevich struct net_bridge *br; 1972594e906SNikolay Aleksandrov struct net_bridge_port *port; 1982594e906SNikolay Aleksandrov }; 1992594e906SNikolay Aleksandrov union { 20025127759SReshetova, Elena refcount_t refcnt; 2012594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2022594e906SNikolay Aleksandrov }; 203efa5356bSRoopa Prabhu 204efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 205efa5356bSRoopa Prabhu 206613d61dbSNikolay Aleksandrov union { 207613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 208613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 209613d61dbSNikolay Aleksandrov }; 210613d61dbSNikolay Aleksandrov 2112594e906SNikolay Aleksandrov struct list_head vlist; 2122594e906SNikolay Aleksandrov 213243a2e63SVlad Yasevich struct rcu_head rcu; 2142594e906SNikolay Aleksandrov }; 2152594e906SNikolay Aleksandrov 2162594e906SNikolay Aleksandrov /** 2172594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2182594e906SNikolay Aleksandrov * 2192594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2202594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2212594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22277751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 223a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2242594e906SNikolay Aleksandrov * 2252594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2262594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2272594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2282594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2292594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2302594e906SNikolay Aleksandrov */ 2312594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2322594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 233efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2342594e906SNikolay Aleksandrov struct list_head vlan_list; 2356cbdceebSVlad Yasevich u16 num_vlans; 23677751ee8SNikolay Aleksandrov u16 pvid; 237a580c76dSNikolay Aleksandrov u8 pvid_state; 238243a2e63SVlad Yasevich }; 239243a2e63SVlad Yasevich 2406869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2416869c3b0SNikolay Aleksandrov enum { 2426869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24329e63fffSNikolay Aleksandrov BR_FDB_STATIC, 244e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 245ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 246b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 247d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 24831cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 24931cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2506869c3b0SNikolay Aleksandrov }; 2516869c3b0SNikolay Aleksandrov 252eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 253eb793583SNikolay Aleksandrov mac_addr addr; 254eb793583SNikolay Aleksandrov u16 vlan_id; 255eb793583SNikolay Aleksandrov }; 256eb793583SNikolay Aleksandrov 2571214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 258eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2591da177e4SLinus Torvalds struct net_bridge_port *dst; 2601da177e4SLinus Torvalds 261eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 262eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2636869c3b0SNikolay Aleksandrov unsigned long flags; 2641214628cSNikolay Aleksandrov 2651214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2661214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2671214628cSNikolay Aleksandrov unsigned long used; 2681214628cSNikolay Aleksandrov 269b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2701da177e4SLinus Torvalds }; 2711da177e4SLinus Torvalds 2729d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2739d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2743247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2758266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2769116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2779d06b6d8SElad Raz 2788b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2798b671779SNikolay Aleksandrov 2808b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2818b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 282b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2838b671779SNikolay Aleksandrov 284e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 285e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 286e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 287e12cec65SNikolay Aleksandrov }; 288e12cec65SNikolay Aleksandrov 2898b671779SNikolay Aleksandrov struct net_bridge_group_src { 2908b671779SNikolay Aleksandrov struct hlist_node node; 2918b671779SNikolay Aleksandrov 2928b671779SNikolay Aleksandrov struct br_ip addr; 2938b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2948b671779SNikolay Aleksandrov u8 flags; 295438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2968b671779SNikolay Aleksandrov struct timer_list timer; 2978b671779SNikolay Aleksandrov 2988b671779SNikolay Aleksandrov struct net_bridge *br; 299e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3008b671779SNikolay Aleksandrov struct rcu_head rcu; 3018b671779SNikolay Aleksandrov }; 3028b671779SNikolay Aleksandrov 303085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 304eb1d1641SHerbert Xu struct net_bridge_port *port; 3058ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 306085b53c8SNikolay Aleksandrov }; 307085b53c8SNikolay Aleksandrov 308085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 309085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 310085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 311206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3129d06b6d8SElad Raz unsigned char flags; 3138b671779SNikolay Aleksandrov unsigned char filter_mode; 31442c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3158f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3166ec0d0eeSNikolay Aleksandrov 3178b671779SNikolay Aleksandrov struct hlist_head src_list; 3188b671779SNikolay Aleksandrov unsigned int src_ents; 3196ec0d0eeSNikolay Aleksandrov struct timer_list timer; 32042c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3216ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3228f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3238f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3246ec0d0eeSNikolay Aleksandrov 325085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 326e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3276ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 328eb1d1641SHerbert Xu }; 329eb1d1641SHerbert Xu 3301c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 33119e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 332eb1d1641SHerbert Xu struct net_bridge *br; 333e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3348ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 335ff0fd34eSAndrew Lunn bool host_joined; 3366ec0d0eeSNikolay Aleksandrov 3376ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33819e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3396ec0d0eeSNikolay Aleksandrov 340e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3416ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 342eb1d1641SHerbert Xu }; 343eb1d1641SHerbert Xu 3441f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3451da177e4SLinus Torvalds struct net_bridge *br; 3461da177e4SLinus Torvalds struct net_device *dev; 3471da177e4SLinus Torvalds struct list_head list; 3481da177e4SLinus Torvalds 3491f90c7f3SNikolay Aleksandrov unsigned long flags; 3501f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3511f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3521f90c7f3SNikolay Aleksandrov #endif 3532756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3541f90c7f3SNikolay Aleksandrov 3551da177e4SLinus Torvalds /* STP */ 3561da177e4SLinus Torvalds u8 priority; 3571da177e4SLinus Torvalds u8 state; 3581da177e4SLinus Torvalds u16 port_no; 3591da177e4SLinus Torvalds unsigned char topology_change_ack; 3601da177e4SLinus Torvalds unsigned char config_pending; 3611da177e4SLinus Torvalds port_id port_id; 3621da177e4SLinus Torvalds port_id designated_port; 3631da177e4SLinus Torvalds bridge_id designated_root; 3641da177e4SLinus Torvalds bridge_id designated_bridge; 3651da177e4SLinus Torvalds u32 path_cost; 3661da177e4SLinus Torvalds u32 designated_cost; 3670c03150eSstephen hemminger unsigned long designated_age; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3701da177e4SLinus Torvalds struct timer_list hold_timer; 3711da177e4SLinus Torvalds struct timer_list message_age_timer; 3721da177e4SLinus Torvalds struct kobject kobj; 3731da177e4SLinus Torvalds struct rcu_head rcu; 3743982d3d2SFischer, Anna 3759632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3769632233eSNikolay Aleksandrov 377eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3789632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3799632233eSNikolay Aleksandrov 38089268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38189268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 382eb1d1641SHerbert Xu struct hlist_head mglist; 383eb1d1641SHerbert Xu #endif 384e0f43752SSimon Arlott 385e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 386e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 387e0f43752SSimon Arlott #endif 38891d2c34aSHerbert Xu 38991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 39091d2c34aSHerbert Xu struct netpoll *np; 39191d2c34aSHerbert Xu #endif 3926bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 393f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 394f7cf972fSTobias Waldekranz * hardware domain. 395f7cf972fSTobias Waldekranz */ 396f7cf972fSTobias Waldekranz int hwdom; 3972f5dc00fSVladimir Oltean int offload_count; 3982f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 3996bc506b4SIdo Schimmel #endif 4005af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4012756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 402de179966SVivien Didelot 403de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4041da177e4SLinus Torvalds }; 4051da177e4SLinus Torvalds 406705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 407705e0deaSTyler Hicks 408e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 409f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 410e028e4b8SVlad Yasevich 411b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 412b5ed54e9Sstephen hemminger { 413716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 414b5ed54e9Sstephen hemminger } 415b5ed54e9Sstephen hemminger 4161fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 417b5ed54e9Sstephen hemminger { 41835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 419ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 420b5ed54e9Sstephen hemminger } 421b5ed54e9Sstephen hemminger 4220baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4230baa10ffSArkadi Sharshevsky { 42435f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4250baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4260baa10ffSArkadi Sharshevsky } 4270baa10ffSArkadi Sharshevsky 428ae75767eSNikolay Aleksandrov enum net_bridge_opts { 429ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 430ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4318df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4328df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4338df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 434be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 43513cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 436675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 437675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 438675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 439c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4403341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4419163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44270e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4439c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 444f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 445ae75767eSNikolay Aleksandrov }; 446ae75767eSNikolay Aleksandrov 4471f90c7f3SNikolay Aleksandrov struct net_bridge { 4481da177e4SLinus Torvalds spinlock_t lock; 4491f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 45090c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4511da177e4SLinus Torvalds struct net_device *dev; 452ae75767eSNikolay Aleksandrov unsigned long options; 4531f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4541f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4551f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4561f90c7f3SNikolay Aleksandrov u16 default_pvid; 4571f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4581f90c7f3SNikolay Aleksandrov #endif 4591f90c7f3SNikolay Aleksandrov 460eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46190c628ddSHenrik Bjoernlund struct list_head port_list; 46234666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 463efb6de9bSBernhard Thaler union { 4644adf0af6SSimon Wunderlich struct rtable fake_rtable; 465efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 466efb6de9bSBernhard Thaler }; 4674adf0af6SSimon Wunderlich #endif 468515853ccSstephen hemminger u16 group_fwd_mask; 469f2808d22SToshiaki Makita u16 group_fwd_mask_required; 470515853ccSstephen hemminger 4711da177e4SLinus Torvalds /* STP */ 4721da177e4SLinus Torvalds bridge_id designated_root; 4731da177e4SLinus Torvalds bridge_id bridge_id; 4741f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4751f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4761f90c7f3SNikolay Aleksandrov u16 root_port; 4771da177e4SLinus Torvalds unsigned long max_age; 4781da177e4SLinus Torvalds unsigned long hello_time; 4791da177e4SLinus Torvalds unsigned long forward_delay; 4801da177e4SLinus Torvalds unsigned long ageing_time; 48134d8acd8SVivien Didelot unsigned long bridge_max_age; 4821da177e4SLinus Torvalds unsigned long bridge_hello_time; 4831da177e4SLinus Torvalds unsigned long bridge_forward_delay; 48434d8acd8SVivien Didelot unsigned long bridge_ageing_time; 48535750b0bSNikolay Aleksandrov u32 root_path_cost; 4861da177e4SLinus Torvalds 487fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4889cde0708SStephen Hemminger 4899cde0708SStephen Hemminger enum { 4909cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4919cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4929cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4939cde0708SStephen Hemminger } stp_enabled; 4949cde0708SStephen Hemminger 495d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 496d3d065c0SNikolay Aleksandrov 497eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 498d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 499eb1d1641SHerbert Xu 500eb1d1641SHerbert Xu u32 hash_max; 501eb1d1641SHerbert Xu 50235750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 503eb1d1641SHerbert Xu 50419e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 505085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 50619e3a9c9SNikolay Aleksandrov 507e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 50819e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 509eb1d1641SHerbert Xu 510e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 511eb1d1641SHerbert Xu #endif 512eb1d1641SHerbert Xu 5131da177e4SLinus Torvalds struct timer_list hello_timer; 5141da177e4SLinus Torvalds struct timer_list tcn_timer; 5151da177e4SLinus Torvalds struct timer_list topology_change_timer; 516f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 51743b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 518e028e4b8SVlad Yasevich u32 auto_cnt; 5196bc506b4SIdo Schimmel 5206bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 521f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 522f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 523f7cf972fSTobias Waldekranz */ 524f7cf972fSTobias Waldekranz int last_hwdom; 52585826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 52685826610STobias Waldekranz unsigned long busy_hwdoms; 5276bc506b4SIdo Schimmel #endif 528eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5294b8d7d4cSHoratiu Vultur 5304b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5310169b820SHoratiu Vultur struct hlist_head mrp_list; 5324b8d7d4cSHoratiu Vultur #endif 533f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 534f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 535f323aa54SHenrik Bjoernlund #endif 5361da177e4SLinus Torvalds }; 5371da177e4SLinus Torvalds 53868b7c895SHerbert Xu struct br_input_skb_cb { 53968b7c895SHerbert Xu struct net_device *brdev; 54093fdd47eSHerbert Xu 5413c171f49SPablo Neira Ayuso u16 frag_max_size; 54232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 543f12064d1SFlorian Westphal u8 igmp; 544f12064d1SFlorian Westphal u8 mrouters_only:1; 54532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 546f12064d1SFlorian Westphal u8 proxyarp_replied:1; 547f12064d1SFlorian Westphal u8 src_port_isolated:1; 54820adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 549f12064d1SFlorian Westphal u8 vlan_filtered:1; 55020adfa1aSVlad Yasevich #endif 551223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 552223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 553223fd0adSFlorian Westphal #endif 5546bc506b4SIdo Schimmel 5556bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 55647211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 55747211192STobias Waldekranz * hardware domain. 55847211192STobias Waldekranz */ 55947211192STobias Waldekranz u8 tx_fwd_offload:1; 560f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 561f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 562f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 563f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 564f7cf972fSTobias Waldekranz */ 565f7cf972fSTobias Waldekranz int src_hwdom; 56647211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 56747211192STobias Waldekranz * transmitted using the TX data plane offload. 56847211192STobias Waldekranz */ 56947211192STobias Waldekranz unsigned long fwd_hwdoms; 5706bc506b4SIdo Schimmel #endif 57168b7c895SHerbert Xu }; 57268b7c895SHerbert Xu 57368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 57468b7c895SHerbert Xu 57532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 57632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 58032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58128a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58228a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 58328a16c97Sstephen hemminger 58428a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 58528a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 58628a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 58728a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 58828a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 58928a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 59028a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59128a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59228a16c97Sstephen hemminger 59328a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 59428a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 59528a16c97Sstephen hemminger 5961da177e4SLinus Torvalds /* called under bridge lock */ 5971da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5981da177e4SLinus Torvalds { 5991da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6001da177e4SLinus Torvalds } 6011da177e4SLinus Torvalds 6022594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6032594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6042594e906SNikolay Aleksandrov { 6052594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6062594e906SNikolay Aleksandrov } 6072594e906SNikolay Aleksandrov 6082594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6092594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6102594e906SNikolay Aleksandrov { 6112594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6122594e906SNikolay Aleksandrov } 6132594e906SNikolay Aleksandrov 6146be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6152594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6162594e906SNikolay Aleksandrov { 6172594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6182594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6192594e906SNikolay Aleksandrov return true; 6202594e906SNikolay Aleksandrov else 6212594e906SNikolay Aleksandrov return false; 6222594e906SNikolay Aleksandrov } 6232594e906SNikolay Aleksandrov 6242594e906SNikolay Aleksandrov return true; 6252594e906SNikolay Aleksandrov } 6262594e906SNikolay Aleksandrov 6275d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6285d1fcaf3SNikolay Aleksandrov { 6295d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6305d1fcaf3SNikolay Aleksandrov } 6315d1fcaf3SNikolay Aleksandrov 6328f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6335a46facbSNikolay Aleksandrov { 6348f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6358f4cc940SNikolay Aleksandrov 6368f4cc940SNikolay Aleksandrov if (!ret) 6378f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6388f4cc940SNikolay Aleksandrov 6398f4cc940SNikolay Aleksandrov return ret; 6405a46facbSNikolay Aleksandrov } 6415a46facbSNikolay Aleksandrov 6425a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6438f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6448f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6455a46facbSNikolay Aleksandrov { 6465a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6478f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6488f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6495a46facbSNikolay Aleksandrov return false; 6508f4cc940SNikolay Aleksandrov } 6515a46facbSNikolay Aleksandrov 6525a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6535a46facbSNikolay Aleksandrov * - it has range start flag 6545a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6555a46facbSNikolay Aleksandrov */ 6565a46facbSNikolay Aleksandrov if (last) { 6578f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6588f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6595a46facbSNikolay Aleksandrov return false; 6608f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6618f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6628f4cc940SNikolay Aleksandrov return false; 6638f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6648f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6658f4cc940SNikolay Aleksandrov return false; 6668f4cc940SNikolay Aleksandrov } 6678f4cc940SNikolay Aleksandrov } 6688f4cc940SNikolay Aleksandrov 6698f4cc940SNikolay Aleksandrov /* check for required range flags */ 6708f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6718f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6728f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6735a46facbSNikolay Aleksandrov return false; 6745a46facbSNikolay Aleksandrov } 6755a46facbSNikolay Aleksandrov 6765a46facbSNikolay Aleksandrov return true; 6775a46facbSNikolay Aleksandrov } 6785a46facbSNikolay Aleksandrov 6792796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6802796d846SNikolay Aleksandrov { 6812796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6822796d846SNikolay Aleksandrov 6832796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6842796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 6852796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 6862796d846SNikolay Aleksandrov else 6872796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 6882796d846SNikolay Aleksandrov #endif 6892796d846SNikolay Aleksandrov 6902796d846SNikolay Aleksandrov return mcast_router; 6912796d846SNikolay Aleksandrov } 6922796d846SNikolay Aleksandrov 693f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 694f545923bSNikolay Aleksandrov { 695f545923bSNikolay Aleksandrov switch (cmd) { 696f545923bSNikolay Aleksandrov case RTM_SETLINK: 697f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 698f545923bSNikolay Aleksandrov case RTM_DELLINK: 699f545923bSNikolay Aleksandrov return RTM_DELVLAN; 700f545923bSNikolay Aleksandrov } 701f545923bSNikolay Aleksandrov 702f545923bSNikolay Aleksandrov return 0; 703f545923bSNikolay Aleksandrov } 704f545923bSNikolay Aleksandrov 705ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 706ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 707ae75767eSNikolay Aleksandrov { 708ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 709ae75767eSNikolay Aleksandrov } 710ae75767eSNikolay Aleksandrov 711a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 712a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 713a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 714a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 715a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 716a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 717a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 718a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 719ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 720ae75767eSNikolay Aleksandrov 7211da177e4SLinus Torvalds /* br_device.c */ 722348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 723348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 724348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 725cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 72691d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 72791d2c34aSHerbert Xu struct sk_buff *skb) 72891d2c34aSHerbert Xu { 729f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 73091d2c34aSHerbert Xu } 73191d2c34aSHerbert Xu 732a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 733348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 73491d2c34aSHerbert Xu #else 7359f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 73691d2c34aSHerbert Xu struct sk_buff *skb) 73791d2c34aSHerbert Xu { 73891d2c34aSHerbert Xu } 73991d2c34aSHerbert Xu 740a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 74191d2c34aSHerbert Xu { 74291d2c34aSHerbert Xu return 0; 74391d2c34aSHerbert Xu } 74491d2c34aSHerbert Xu 74591d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 74691d2c34aSHerbert Xu { 74791d2c34aSHerbert Xu } 748cfb478daSstephen hemminger #endif 7491da177e4SLinus Torvalds 7501da177e4SLinus Torvalds /* br_fdb.c */ 751348662a1SJoe Perches int br_fdb_init(void); 752348662a1SJoe Perches void br_fdb_fini(void); 753eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 754eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 755348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 756424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 757424bb9c9SToshiaki Makita const struct net_bridge_port *p, 758424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 759348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 760348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 761f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 762348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7631ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 764bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 765bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 766bfd0aeacSNikolay Aleksandrov __u16 vid); 767348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 768348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 769348662a1SJoe Perches unsigned long off); 770348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 771348662a1SJoe Perches const unsigned char *addr, u16 vid); 772348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 773be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 77477162022SJohn Fastabend 775348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 776f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 777348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 77887b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 77987b0984eSPetr Machata struct netlink_ext_ack *extack); 780348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 781d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 78247674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 78347674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 78447674562SRoopa Prabhu struct netlink_ext_ack *extack); 7858db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7868db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7873aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 78845a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 789161d82deSPetr Machata bool swdev_notify); 7903aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 791161d82deSPetr Machata const unsigned char *addr, u16 vid, 792161d82deSPetr Machata bool swdev_notify); 7939fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 794e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 795b4454bc6SVladimir Oltean int br_fdb_replay(const struct net_device *br_dev, const void *ctx, bool adding, 796b4454bc6SVladimir Oltean struct notifier_block *nb); 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvalds /* br_forward.c */ 7998addd5e7SNikolay Aleksandrov enum br_pkt_type { 8008addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8018addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8028addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8038addd5e7SNikolay Aleksandrov }; 8040c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 805b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 80637b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8070c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 80837b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8098addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8101da177e4SLinus Torvalds 8117d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8127d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8137d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8147d850abdSNikolay Aleksandrov { 8157d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8167d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8177d850abdSNikolay Aleksandrov } 8187d850abdSNikolay Aleksandrov 8191da177e4SLinus Torvalds /* br_if.c */ 820faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 821348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 822348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 823ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 824ca752be0SDavid Ahern struct netlink_ext_ack *extack); 825348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 826804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 827348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 828c8f44affSMichał Mirosław netdev_features_t features); 829e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8302796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8312756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8321da177e4SLinus Torvalds 8331da177e4SLinus Torvalds /* br_input.c */ 8340c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8359eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8361da177e4SLinus Torvalds 83790c628ddSHenrik Bjoernlund struct br_frame_type { 83890c628ddSHenrik Bjoernlund __be16 type; 83990c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 84090c628ddSHenrik Bjoernlund struct sk_buff *skb); 84190c628ddSHenrik Bjoernlund struct hlist_node list; 84290c628ddSHenrik Bjoernlund }; 84390c628ddSHenrik Bjoernlund 84490c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 84590c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 84690c628ddSHenrik Bjoernlund 847859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 848859828c0SJiri Pirko { 8499eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 850859828c0SJiri Pirko } 851859828c0SJiri Pirko 8524d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8534d4fd361SPetr Machata { 8549eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8554d4fd361SPetr Machata } 8564d4fd361SPetr Machata 857859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 858859828c0SJiri Pirko { 859859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 860859828c0SJiri Pirko } 861859828c0SJiri Pirko 8624d4fd361SPetr Machata static inline struct net_bridge_port * 8634d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8644d4fd361SPetr Machata { 8654d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8664d4fd361SPetr Machata } 8674d4fd361SPetr Machata 8681da177e4SLinus Torvalds /* br_ioctl.c */ 869561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 870561d8352SArnd Bergmann void __user *data, int cmd); 871ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 872ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8731da177e4SLinus Torvalds 874eb1d1641SHerbert Xu /* br_multicast.c */ 875eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 876f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 877f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 878f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 879fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 880adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 881eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8821080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 883348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 884348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 885348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 886348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 887851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 888851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 889348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 890348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 891e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 892adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 893adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 894adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 895a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 896a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 897a53581d5SNikolay Aleksandrov unsigned long val); 8982796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 899ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 900ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 90162938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 902348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 903df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 904df271cd6SNikolay Aleksandrov unsigned long val); 905aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 906df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 907df271cd6SNikolay Aleksandrov unsigned long val); 908aa2ae3e7SNikolay Aleksandrov #endif 909348662a1SJoe Perches struct net_bridge_mdb_entry * 91019e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 911348662a1SJoe Perches struct net_bridge_mdb_entry * 91219e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 913348662a1SJoe Perches struct net_bridge_port_group * 914348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 915762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9168b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9178f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 91819e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 91919e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 92081f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 92181f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9221e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 923949f1e39SSatish Ashok int type); 924681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 925681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 926681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 927adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 928adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 929a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9301080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 931b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9321080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9331080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9341080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 93519e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 93619e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 93758d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 93858d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9391bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9408266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9418266a049SNikolay Aleksandrov u8 filter_mode); 9428266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9438266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 944474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 945474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 946d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 947d5a10222SNikolay Aleksandrov bool fastleave); 948613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 949613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 950613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 951613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 952613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 953613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 954613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 955613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9567b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 957f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 958f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9599dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 96085b35269SSridhar Samudrala 9614e51bf44SVladimir Oltean int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, 9624e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 9634e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 964dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 965dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 966c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 967c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 968c7fa1d9bSNikolay Aleksandrov int nest_attr); 969c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 97005d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 9714e51bf44SVladimir Oltean 972955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 973955062b0SNikolay Aleksandrov { 974955062b0SNikolay Aleksandrov return group->proto == 0; 975955062b0SNikolay Aleksandrov } 976955062b0SNikolay Aleksandrov 977cfd56754SCong Wang #define mlock_dereference(X, br) \ 978cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 979cfd56754SCong Wang 98044ebb081SLinus Lüssing static inline struct hlist_node * 981adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 982adc47037SNikolay Aleksandrov struct sk_buff *skb) 983d3d065c0SNikolay Aleksandrov { 984a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 985a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 986d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 987a3c02e76SLinus Lüssing #endif 988d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 98944ebb081SLinus Lüssing } 99044ebb081SLinus Lüssing 99144ebb081SLinus Lüssing static inline struct net_bridge_port * 992d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 993d3d065c0SNikolay Aleksandrov { 9949632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 9959632233eSNikolay Aleksandrov 996a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 997a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 9989632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 9999632233eSNikolay Aleksandrov ip6_rlist); 10009632233eSNikolay Aleksandrov else 1001a3c02e76SLinus Lüssing #endif 10029632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10039632233eSNikolay Aleksandrov ip4_rlist); 10049632233eSNikolay Aleksandrov 10059632233eSNikolay Aleksandrov if (mctx) 10069632233eSNikolay Aleksandrov return mctx->port; 10079632233eSNikolay Aleksandrov else 10089632233eSNikolay Aleksandrov return NULL; 100944ebb081SLinus Lüssing } 101044ebb081SLinus Lüssing 1011d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 101285b35269SSridhar Samudrala { 1013d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10141a3065a2SLinus Lüssing } 10151a3065a2SLinus Lüssing 1016d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10171a3065a2SLinus Lüssing { 10181a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1019d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10201a3065a2SLinus Lüssing #else 10211a3065a2SLinus Lüssing return false; 10221a3065a2SLinus Lüssing #endif 10231a3065a2SLinus Lüssing } 10241a3065a2SLinus Lüssing 10251a3065a2SLinus Lüssing static inline bool 1026adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10271a3065a2SLinus Lüssing { 1028d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10291a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10301a3065a2SLinus Lüssing return true; 10311a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10321a3065a2SLinus Lüssing if (skb) { 10331a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1034d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10351a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1036d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10371a3065a2SLinus Lüssing } else { 1038d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1039d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10401a3065a2SLinus Lüssing } 10411a3065a2SLinus Lüssing fallthrough; 10421a3065a2SLinus Lüssing default: 10431a3065a2SLinus Lüssing return false; 10441a3065a2SLinus Lüssing } 104585b35269SSridhar Samudrala } 1046b00589afSLinus Lüssing 1047cc0fdd80SLinus Lüssing static inline bool 1048adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10490888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10500888d5f3Sdaniel const bool is_ipv6) 1051b00589afSLinus Lüssing { 10520888d5f3Sdaniel bool own_querier_enabled; 10530888d5f3Sdaniel 105462938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1055adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10560888d5f3Sdaniel own_querier_enabled = false; 10570888d5f3Sdaniel else 10580888d5f3Sdaniel own_querier_enabled = true; 10590888d5f3Sdaniel } else { 10600888d5f3Sdaniel own_querier_enabled = false; 10610888d5f3Sdaniel } 10620888d5f3Sdaniel 1063cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10640888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1065cc0fdd80SLinus Lüssing } 1066cc0fdd80SLinus Lüssing 1067adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1068955062b0SNikolay Aleksandrov struct ethhdr *eth, 1069955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1070cc0fdd80SLinus Lüssing { 1071cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1072cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1073adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1074adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1075cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1076cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1077adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1078adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1079cc0fdd80SLinus Lüssing #endif 1080cc0fdd80SLinus Lüssing default: 1081955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1082cc0fdd80SLinus Lüssing } 1083b00589afSLinus Lüssing } 10841080ab95SNikolay Aleksandrov 108588d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 108688d4bd18SNikolay Aleksandrov { 108788d4bd18SNikolay Aleksandrov switch (ip->proto) { 108888d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 108988d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 109088d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 109188d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 109288d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 109388d4bd18SNikolay Aleksandrov #endif 109488d4bd18SNikolay Aleksandrov default: 109588d4bd18SNikolay Aleksandrov return false; 109688d4bd18SNikolay Aleksandrov } 109788d4bd18SNikolay Aleksandrov } 109888d4bd18SNikolay Aleksandrov 1099adc47037SNikolay Aleksandrov static inline bool 1100adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11018266a049SNikolay Aleksandrov __be16 proto) 11028266a049SNikolay Aleksandrov { 11038266a049SNikolay Aleksandrov switch (proto) { 11048266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1105adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11068266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11078266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1108adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11098266a049SNikolay Aleksandrov #endif 11108266a049SNikolay Aleksandrov default: 11118266a049SNikolay Aleksandrov return false; 11128266a049SNikolay Aleksandrov } 11138266a049SNikolay Aleksandrov } 11148266a049SNikolay Aleksandrov 11151080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11161080ab95SNikolay Aleksandrov { 11171080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11181080ab95SNikolay Aleksandrov } 111942c11ccfSNikolay Aleksandrov 1120adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 112142c11ccfSNikolay Aleksandrov { 1122adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1123adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 112442c11ccfSNikolay Aleksandrov } 11250436862eSNikolay Aleksandrov 1126adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11270436862eSNikolay Aleksandrov { 1128*fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11290436862eSNikolay Aleksandrov } 11307b54aaafSNikolay Aleksandrov 11317b54aaafSNikolay Aleksandrov static inline bool 11327b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11337b54aaafSNikolay Aleksandrov { 11347b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11357b54aaafSNikolay Aleksandrov } 11367b54aaafSNikolay Aleksandrov 11377b54aaafSNikolay Aleksandrov static inline bool 11387b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11397b54aaafSNikolay Aleksandrov { 11407b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11417b54aaafSNikolay Aleksandrov } 11427b54aaafSNikolay Aleksandrov 11437b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11447b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11457b54aaafSNikolay Aleksandrov { 11467b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11477b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11487b54aaafSNikolay Aleksandrov else 11497b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11507b54aaafSNikolay Aleksandrov } 11517b54aaafSNikolay Aleksandrov 11527b54aaafSNikolay Aleksandrov static inline bool 11537b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11547b54aaafSNikolay Aleksandrov { 1155f4b7002aSNikolay Aleksandrov return br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) && 1156f4b7002aSNikolay Aleksandrov br_multicast_ctx_is_vlan(brmctx) && 11577b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED); 11587b54aaafSNikolay Aleksandrov } 11597b54aaafSNikolay Aleksandrov 11607b54aaafSNikolay Aleksandrov static inline bool 11617b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11627b54aaafSNikolay Aleksandrov { 11637b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11647b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11657b54aaafSNikolay Aleksandrov } 11667b54aaafSNikolay Aleksandrov 11677b54aaafSNikolay Aleksandrov static inline bool 11687b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11697b54aaafSNikolay Aleksandrov { 11707b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11717b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11727b54aaafSNikolay Aleksandrov } 11734cdd0d10SNikolay Aleksandrov 11744cdd0d10SNikolay Aleksandrov static inline bool 11754cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11764cdd0d10SNikolay Aleksandrov { 11774cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11784cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11794cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11804cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11814cdd0d10SNikolay Aleksandrov } 11824cdd0d10SNikolay Aleksandrov 11834cdd0d10SNikolay Aleksandrov static inline bool 11844cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11854cdd0d10SNikolay Aleksandrov { 11864cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11874cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11884cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11894cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11904cdd0d10SNikolay Aleksandrov } 1191df271cd6SNikolay Aleksandrov 1192df271cd6SNikolay Aleksandrov static inline bool 1193dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1194dc002875SNikolay Aleksandrov { 1195dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1196dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1197dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1198dc002875SNikolay Aleksandrov #else 1199dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1200dc002875SNikolay Aleksandrov #endif 1201dc002875SNikolay Aleksandrov } 1202dc002875SNikolay Aleksandrov 1203dc002875SNikolay Aleksandrov static inline bool 1204df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1205df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1206df271cd6SNikolay Aleksandrov { 1207df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1208df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1209931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1210931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 121150725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 121250725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 121377f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 121477f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12152da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12162da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1217cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1218cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1219d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1220d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 122142521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 122242521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1223941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1224941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 122562938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1226a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1227dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1228dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1229df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1230df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1231df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1232df271cd6SNikolay Aleksandrov #endif 1233df271cd6SNikolay Aleksandrov true; 1234df271cd6SNikolay Aleksandrov } 1235cb486ce9SNikolay Aleksandrov 1236cb486ce9SNikolay Aleksandrov static inline bool 1237cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1238cb486ce9SNikolay Aleksandrov { 1239cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1240cb486ce9SNikolay Aleksandrov 1241cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1242cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1243cb486ce9SNikolay Aleksandrov 1244cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1245cb486ce9SNikolay Aleksandrov } 1246eb1d1641SHerbert Xu #else 1247f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1248f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1249f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 125006499098SVlad Yasevich struct sk_buff *skb, 125106499098SVlad Yasevich u16 vid) 1252eb1d1641SHerbert Xu { 1253eb1d1641SHerbert Xu return 0; 1254eb1d1641SHerbert Xu } 1255eb1d1641SHerbert Xu 1256adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1257fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1258eb1d1641SHerbert Xu { 1259eb1d1641SHerbert Xu return NULL; 1260eb1d1641SHerbert Xu } 1261eb1d1641SHerbert Xu 12621080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1263eb1d1641SHerbert Xu { 12641080ab95SNikolay Aleksandrov return 0; 1265eb1d1641SHerbert Xu } 1266eb1d1641SHerbert Xu 1267eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1268eb1d1641SHerbert Xu { 1269eb1d1641SHerbert Xu } 1270eb1d1641SHerbert Xu 1271eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1272eb1d1641SHerbert Xu { 1273eb1d1641SHerbert Xu } 1274eb1d1641SHerbert Xu 1275eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1276eb1d1641SHerbert Xu { 1277eb1d1641SHerbert Xu } 1278eb1d1641SHerbert Xu 1279eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1280eb1d1641SHerbert Xu { 1281eb1d1641SHerbert Xu } 1282eb1d1641SHerbert Xu 1283851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1284851d0a73SJoseph Huang { 1285851d0a73SJoseph Huang } 1286851d0a73SJoseph Huang 1287851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1288851d0a73SJoseph Huang { 1289851d0a73SJoseph Huang } 1290851d0a73SJoseph Huang 1291eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1292eb1d1641SHerbert Xu { 1293eb1d1641SHerbert Xu } 1294eb1d1641SHerbert Xu 1295eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1296eb1d1641SHerbert Xu { 1297eb1d1641SHerbert Xu } 12985cb5e947SHerbert Xu 1299a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1300a7ce45a7SNikolay Aleksandrov { 1301a7ce45a7SNikolay Aleksandrov } 1302a7ce45a7SNikolay Aleksandrov 130337b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 130437b090e6SNikolay Aleksandrov struct sk_buff *skb, 1305adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 130637b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13075cb5e947SHerbert Xu { 13085cb5e947SHerbert Xu } 13095cb5e947SHerbert Xu 1310adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1311bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1312eb1d1641SHerbert Xu { 131303aaa9e2SGustavo A. R. Silva return false; 1314eb1d1641SHerbert Xu } 131537b090e6SNikolay Aleksandrov 1316adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1317c43fd36fSVladimir Oltean struct ethhdr *eth, 1318c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1319b00589afSLinus Lüssing { 1320b00589afSLinus Lüssing return false; 1321b00589afSLinus Lüssing } 132237b090e6SNikolay Aleksandrov 1323fdb184d1SRami Rosen static inline void br_mdb_init(void) 1324fdb184d1SRami Rosen { 1325fdb184d1SRami Rosen } 132637b090e6SNikolay Aleksandrov 1327fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1328fdb184d1SRami Rosen { 1329fdb184d1SRami Rosen } 13301080ab95SNikolay Aleksandrov 133119e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 133219e3a9c9SNikolay Aleksandrov { 133319e3a9c9SNikolay Aleksandrov return 0; 133419e3a9c9SNikolay Aleksandrov } 133519e3a9c9SNikolay Aleksandrov 133619e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 133719e3a9c9SNikolay Aleksandrov { 133819e3a9c9SNikolay Aleksandrov } 133919e3a9c9SNikolay Aleksandrov 13401080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13411080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1342a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1343a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13441080ab95SNikolay Aleksandrov { 13451080ab95SNikolay Aleksandrov } 13461080ab95SNikolay Aleksandrov 13471080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13481080ab95SNikolay Aleksandrov { 13491080ab95SNikolay Aleksandrov return 0; 13501080ab95SNikolay Aleksandrov } 13511080ab95SNikolay Aleksandrov 1352b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1353b6fe0440SIdo Schimmel { 1354b6fe0440SIdo Schimmel } 1355b6fe0440SIdo Schimmel 13561080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13571080ab95SNikolay Aleksandrov { 13581080ab95SNikolay Aleksandrov return 0; 13591080ab95SNikolay Aleksandrov } 1360613d61dbSNikolay Aleksandrov 1361613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1362613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1363613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1364613d61dbSNikolay Aleksandrov { 1365613d61dbSNikolay Aleksandrov } 1366613d61dbSNikolay Aleksandrov 1367613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1368613d61dbSNikolay Aleksandrov { 1369613d61dbSNikolay Aleksandrov } 1370613d61dbSNikolay Aleksandrov 1371613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1372613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1373613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1374613d61dbSNikolay Aleksandrov { 1375613d61dbSNikolay Aleksandrov } 1376613d61dbSNikolay Aleksandrov 1377613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1378613d61dbSNikolay Aleksandrov { 1379613d61dbSNikolay Aleksandrov } 13807b54aaafSNikolay Aleksandrov 13817b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13827b54aaafSNikolay Aleksandrov bool on) 13837b54aaafSNikolay Aleksandrov { 13847b54aaafSNikolay Aleksandrov } 1385f4b7002aSNikolay Aleksandrov 1386f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1387f4b7002aSNikolay Aleksandrov bool on, 1388f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1389f4b7002aSNikolay Aleksandrov { 1390f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1391f4b7002aSNikolay Aleksandrov } 13929dee572cSNikolay Aleksandrov 13939dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 13949dee572cSNikolay Aleksandrov bool on) 13959dee572cSNikolay Aleksandrov { 13969dee572cSNikolay Aleksandrov return false; 13979dee572cSNikolay Aleksandrov } 13984e51bf44SVladimir Oltean 13994e51bf44SVladimir Oltean static inline int br_mdb_replay(struct net_device *br_dev, 14004e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 14014e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 14024e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 14034e51bf44SVladimir Oltean { 14044e51bf44SVladimir Oltean return -EOPNOTSUPP; 14054e51bf44SVladimir Oltean } 1406df271cd6SNikolay Aleksandrov 1407df271cd6SNikolay Aleksandrov static inline bool 1408df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1409df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1410df271cd6SNikolay Aleksandrov { 1411df271cd6SNikolay Aleksandrov return true; 1412df271cd6SNikolay Aleksandrov } 141385b35269SSridhar Samudrala #endif 1414eb1d1641SHerbert Xu 1415243a2e63SVlad Yasevich /* br_vlan.c */ 1416243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 141777751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 141877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1419f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1420f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 142177751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 142285f46c6bSVlad Yasevich const struct sk_buff *skb); 1423e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1424348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 142511538d03SRoopa Prabhu const struct net_bridge_port *port, 14262594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 142778851988SVlad Yasevich struct sk_buff *skb); 1428f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1429169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1430348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1431348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14322594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1433204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14349e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14359e781401SVladimir Oltean struct netlink_ext_ack *extack); 1436dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1437dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14389e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14399e781401SVladimir Oltean struct netlink_ext_ack *extack); 14406dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14419163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14425be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14439e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14449e781401SVladimir Oltean struct netlink_ext_ack *extack); 1445169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1446169327d5SPetr Machata struct netlink_ext_ack *extack); 1447f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1448169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1449348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1450348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1451169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14522594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1453a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1454281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14559c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1456091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14579c0ec2e7SMike Manning void *ptr); 14588dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14598dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1460cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1461cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1462cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1463cf5bddb9SNikolay Aleksandrov int cmd); 14644e51bf44SVladimir Oltean int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, 14654e51bf44SVladimir Oltean const void *ctx, bool adding, struct notifier_block *nb, 14664e51bf44SVladimir Oltean struct netlink_ext_ack *extack); 1467a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1468a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1469a37b85c9SVlad Yasevich 1470bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1471bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1472bcf2766bSFelix Fietkau struct net_device_path *path); 1473bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1474bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1475bcf2766bSFelix Fietkau struct net_device_path *path); 1476bcf2766bSFelix Fietkau 14772594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1478a37b85c9SVlad Yasevich const struct net_bridge *br) 1479a37b85c9SVlad Yasevich { 1480907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1481a37b85c9SVlad Yasevich } 1482a37b85c9SVlad Yasevich 14832594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1484a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1485a37b85c9SVlad Yasevich { 1486907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1487907b1e6eSNikolay Aleksandrov } 1488907b1e6eSNikolay Aleksandrov 1489907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1490907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1491907b1e6eSNikolay Aleksandrov { 1492907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1493907b1e6eSNikolay Aleksandrov } 1494907b1e6eSNikolay Aleksandrov 1495907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1496907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1497907b1e6eSNikolay Aleksandrov { 1498907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1499a37b85c9SVlad Yasevich } 1500a37b85c9SVlad Yasevich 1501a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1502a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1503a37b85c9SVlad Yasevich */ 1504a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1505a37b85c9SVlad Yasevich { 1506a37b85c9SVlad Yasevich int err = 0; 1507a37b85c9SVlad Yasevich 15082594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15095978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15102594e906SNikolay Aleksandrov } else { 1511a37b85c9SVlad Yasevich *vid = 0; 1512a37b85c9SVlad Yasevich err = -EINVAL; 1513a37b85c9SVlad Yasevich } 1514a37b85c9SVlad Yasevich 1515a37b85c9SVlad Yasevich return err; 1516a37b85c9SVlad Yasevich } 151778851988SVlad Yasevich 151877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 151978851988SVlad Yasevich { 152077751ee8SNikolay Aleksandrov if (!vg) 15215be5a2dfSVlad Yasevich return 0; 15225be5a2dfSVlad Yasevich 152378851988SVlad Yasevich smp_rmb(); 152477751ee8SNikolay Aleksandrov return vg->pvid; 152578851988SVlad Yasevich } 152678851988SVlad Yasevich 15278dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15288dcea187SNikolay Aleksandrov { 15298dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15308dcea187SNikolay Aleksandrov } 1531243a2e63SVlad Yasevich #else 153277751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 153377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15342594e906SNikolay Aleksandrov struct sk_buff *skb, 1535f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1536f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1537f4b7002aSNikolay Aleksandrov 15382594e906SNikolay Aleksandrov { 1539f4b7002aSNikolay Aleksandrov *vlan = NULL; 15402594e906SNikolay Aleksandrov return true; 15412594e906SNikolay Aleksandrov } 15422594e906SNikolay Aleksandrov 15432594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 154485f46c6bSVlad Yasevich const struct sk_buff *skb) 154585f46c6bSVlad Yasevich { 154685f46c6bSVlad Yasevich return true; 154785f46c6bSVlad Yasevich } 154885f46c6bSVlad Yasevich 1549e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1550e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1551e0d7968aSToshiaki Makita { 1552e0d7968aSToshiaki Makita return true; 1553e0d7968aSToshiaki Makita } 1554e0d7968aSToshiaki Makita 155578851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 155611538d03SRoopa Prabhu const struct net_bridge_port *port, 15572594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 155878851988SVlad Yasevich struct sk_buff *skb) 155978851988SVlad Yasevich { 156078851988SVlad Yasevich return skb; 156178851988SVlad Yasevich } 156278851988SVlad Yasevich 1563f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1564169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1565243a2e63SVlad Yasevich { 1566f418af63SNikolay Aleksandrov *changed = false; 1567243a2e63SVlad Yasevich return -EOPNOTSUPP; 1568243a2e63SVlad Yasevich } 1569243a2e63SVlad Yasevich 1570243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1571243a2e63SVlad Yasevich { 1572243a2e63SVlad Yasevich return -EOPNOTSUPP; 1573243a2e63SVlad Yasevich } 1574243a2e63SVlad Yasevich 1575243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1576243a2e63SVlad Yasevich { 1577243a2e63SVlad Yasevich } 1578243a2e63SVlad Yasevich 1579204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1580204177f3SToshiaki Makita { 1581204177f3SToshiaki Makita } 1582204177f3SToshiaki Makita 15835be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15848580e211SToshiaki Makita { 15855be5a2dfSVlad Yasevich return 0; 15868580e211SToshiaki Makita } 15878580e211SToshiaki Makita 1588f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1589169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1590243a2e63SVlad Yasevich { 1591f418af63SNikolay Aleksandrov *changed = false; 1592243a2e63SVlad Yasevich return -EOPNOTSUPP; 1593243a2e63SVlad Yasevich } 1594243a2e63SVlad Yasevich 1595243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1596243a2e63SVlad Yasevich { 1597243a2e63SVlad Yasevich return -EOPNOTSUPP; 1598243a2e63SVlad Yasevich } 1599243a2e63SVlad Yasevich 1600243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1601243a2e63SVlad Yasevich { 1602243a2e63SVlad Yasevich } 1603243a2e63SVlad Yasevich 16042594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16052594e906SNikolay Aleksandrov u16 vid) 1606a37b85c9SVlad Yasevich { 1607a37b85c9SVlad Yasevich return NULL; 1608a37b85c9SVlad Yasevich } 1609bc9a25d2SVlad Yasevich 1610169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1611169327d5SPetr Machata struct netlink_ext_ack *extack) 16125be5a2dfSVlad Yasevich { 16135be5a2dfSVlad Yasevich return 0; 16145be5a2dfSVlad Yasevich } 16155be5a2dfSVlad Yasevich 161678851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1617a37b85c9SVlad Yasevich { 1618a37b85c9SVlad Yasevich return 0; 1619a37b85c9SVlad Yasevich } 16202594e906SNikolay Aleksandrov 162177751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 162278851988SVlad Yasevich { 16233df6bf45SVlad Yasevich return 0; 162478851988SVlad Yasevich } 16252796d0c6SVlad Yasevich 16267a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1627c97f47e3SVladimir Oltean unsigned long val, 1628c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1629a7854037SNikolay Aleksandrov { 1630a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1631a7854037SNikolay Aleksandrov } 16322594e906SNikolay Aleksandrov 16332594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16342594e906SNikolay Aleksandrov u32 filter_mask) 16352594e906SNikolay Aleksandrov { 16362594e906SNikolay Aleksandrov return 0; 16372594e906SNikolay Aleksandrov } 16382594e906SNikolay Aleksandrov 1639bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1640bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1641bcf2766bSFelix Fietkau struct net_device_path *path) 1642bcf2766bSFelix Fietkau { 1643bcf2766bSFelix Fietkau } 1644bcf2766bSFelix Fietkau 1645bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1646bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1647bcf2766bSFelix Fietkau struct net_device_path *path) 1648bcf2766bSFelix Fietkau { 1649bcf2766bSFelix Fietkau return 0; 1650bcf2766bSFelix Fietkau } 1651bcf2766bSFelix Fietkau 16522594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16532594e906SNikolay Aleksandrov const struct net_bridge *br) 16542594e906SNikolay Aleksandrov { 16552594e906SNikolay Aleksandrov return NULL; 16562594e906SNikolay Aleksandrov } 16572594e906SNikolay Aleksandrov 16582594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16592594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16602594e906SNikolay Aleksandrov { 16612594e906SNikolay Aleksandrov return NULL; 16622594e906SNikolay Aleksandrov } 1663907b1e6eSNikolay Aleksandrov 1664907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1665907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1666907b1e6eSNikolay Aleksandrov { 1667907b1e6eSNikolay Aleksandrov return NULL; 1668907b1e6eSNikolay Aleksandrov } 1669907b1e6eSNikolay Aleksandrov 1670907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1671907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1672907b1e6eSNikolay Aleksandrov { 1673907b1e6eSNikolay Aleksandrov return NULL; 1674907b1e6eSNikolay Aleksandrov } 1675a60c0903SNikolay Aleksandrov 1676a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1677281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1678a60c0903SNikolay Aleksandrov { 1679a60c0903SNikolay Aleksandrov } 16809c0ec2e7SMike Manning 16819c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16829c0ec2e7SMike Manning unsigned long event) 16839c0ec2e7SMike Manning { 16849c0ec2e7SMike Manning } 16859c0ec2e7SMike Manning 1686091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16879c0ec2e7SMike Manning unsigned long event, void *ptr) 16889c0ec2e7SMike Manning { 1689091adf9bSNikolay Aleksandrov return 0; 16909c0ec2e7SMike Manning } 16918dcea187SNikolay Aleksandrov 16928dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16938dcea187SNikolay Aleksandrov { 16948dcea187SNikolay Aleksandrov } 16958dcea187SNikolay Aleksandrov 16968dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16978dcea187SNikolay Aleksandrov { 16988dcea187SNikolay Aleksandrov } 1699cf5bddb9SNikolay Aleksandrov 1700cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1701cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1702cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1703cf5bddb9SNikolay Aleksandrov int cmd) 1704cf5bddb9SNikolay Aleksandrov { 1705cf5bddb9SNikolay Aleksandrov } 1706528ae84aSNikolay Aleksandrov 1707528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1708528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1709528ae84aSNikolay Aleksandrov { 1710528ae84aSNikolay Aleksandrov return true; 1711528ae84aSNikolay Aleksandrov } 17124e51bf44SVladimir Oltean 17134e51bf44SVladimir Oltean static inline int br_vlan_replay(struct net_device *br_dev, 17144e51bf44SVladimir Oltean struct net_device *dev, const void *ctx, 17154e51bf44SVladimir Oltean bool adding, struct notifier_block *nb, 17164e51bf44SVladimir Oltean struct netlink_ext_ack *extack) 17174e51bf44SVladimir Oltean { 17184e51bf44SVladimir Oltean return -EOPNOTSUPP; 17194e51bf44SVladimir Oltean } 1720243a2e63SVlad Yasevich #endif 1721243a2e63SVlad Yasevich 17227a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17237a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 172499f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 172599f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17267a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17277a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1728a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1729a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1730a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1731a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1732a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1733a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 173447ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 173547ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 173647ecd2dbSNikolay Aleksandrov int cmd, 173747ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1738743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1739743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1740743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1741743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1742a580c76dSNikolay Aleksandrov 1743a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1744a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1745a580c76dSNikolay Aleksandrov { 1746a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1747a580c76dSNikolay Aleksandrov } 1748a580c76dSNikolay Aleksandrov 1749a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1750a580c76dSNikolay Aleksandrov { 1751a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1752a580c76dSNikolay Aleksandrov } 1753a580c76dSNikolay Aleksandrov 1754a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1755a580c76dSNikolay Aleksandrov { 1756a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1757a580c76dSNikolay Aleksandrov } 1758a580c76dSNikolay Aleksandrov 1759a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1760a580c76dSNikolay Aleksandrov u8 state) 1761a580c76dSNikolay Aleksandrov { 1762a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1763a580c76dSNikolay Aleksandrov } 1764a580c76dSNikolay Aleksandrov 1765a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1766a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1767a580c76dSNikolay Aleksandrov { 1768a580c76dSNikolay Aleksandrov switch (state) { 1769a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1770a580c76dSNikolay Aleksandrov return learn_allow; 1771a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1772a580c76dSNikolay Aleksandrov return true; 1773a580c76dSNikolay Aleksandrov default: 1774a580c76dSNikolay Aleksandrov return false; 1775a580c76dSNikolay Aleksandrov } 1776a580c76dSNikolay Aleksandrov } 17777a53e718SNikolay Aleksandrov #endif 17787a53e718SNikolay Aleksandrov 17791a4ba64dSPablo Neira Ayuso struct nf_br_ops { 17801a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 17811a4ba64dSPablo Neira Ayuso }; 17821a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 17831a4ba64dSPablo Neira Ayuso 17841da177e4SLinus Torvalds /* br_netfilter.c */ 178534666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 178634666d46SPablo Neira Ayuso int br_nf_core_init(void); 178734666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1788348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1789c0909713SStephen Hemminger #else 179034666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 179134666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 17924adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1793c0909713SStephen Hemminger #endif 17941da177e4SLinus Torvalds 17951da177e4SLinus Torvalds /* br_stp.c */ 1796775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1797348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1798348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1799348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18001da177e4SLinus Torvalds 1801348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1802348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1803348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1804348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 180582dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18069e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 180714f98f25Sstephen hemminger 180814f98f25Sstephen hemminger 18091da177e4SLinus Torvalds /* br_stp_if.c */ 1810348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1811348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1812419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1813419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1814348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1815348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1816348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1817348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1818348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1819348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1820348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1821348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18221da177e4SLinus Torvalds 18231da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18247c85fbf0SPatrick McHardy struct stp_proto; 1825348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18267c85fbf0SPatrick McHardy struct net_device *dev); 18271da177e4SLinus Torvalds 18281da177e4SLinus Torvalds /* br_stp_timer.c */ 1829348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1830348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1831348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvalds /* br.c */ 1834e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1835da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1836da678292SMichał Mirosław #endif 18371da177e4SLinus Torvalds 183865369933SHoratiu Vultur /* br_mrp.c */ 183965369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 184065369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 184165369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 184265369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 184365369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1844df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 184565369933SHoratiu Vultur #else 184665369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 184765369933SHoratiu Vultur struct nlattr *attr, int cmd, 184865369933SHoratiu Vultur struct netlink_ext_ack *extack) 184965369933SHoratiu Vultur { 185065369933SHoratiu Vultur return -EOPNOTSUPP; 185165369933SHoratiu Vultur } 185265369933SHoratiu Vultur 185365369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 185465369933SHoratiu Vultur { 18558741e184SJason Yan return false; 185665369933SHoratiu Vultur } 185765369933SHoratiu Vultur 185865369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 185965369933SHoratiu Vultur struct net_bridge_port *p) 186065369933SHoratiu Vultur { 186165369933SHoratiu Vultur } 1862df42ef22SHoratiu Vultur 1863df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1864df42ef22SHoratiu Vultur { 1865df42ef22SHoratiu Vultur return 0; 1866df42ef22SHoratiu Vultur } 1867df42ef22SHoratiu Vultur 186865369933SHoratiu Vultur #endif 186965369933SHoratiu Vultur 18702be665c3SHenrik Bjoernlund /* br_cfm.c */ 187186a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18722be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18732be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 18742be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 187586a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 18765e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1877b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1878b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1879b6d0425bSHenrik Bjoernlund bool getlink); 1880b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1881b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 188286a14b79SHenrik Bjoernlund #else 18832be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 18842be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 18852be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 18862be665c3SHenrik Bjoernlund { 18872be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 18882be665c3SHenrik Bjoernlund } 18892be665c3SHenrik Bjoernlund 18902be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 18912be665c3SHenrik Bjoernlund { 18922be665c3SHenrik Bjoernlund return false; 18932be665c3SHenrik Bjoernlund } 18942be665c3SHenrik Bjoernlund 189586a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 189686a14b79SHenrik Bjoernlund struct net_bridge_port *p) 189786a14b79SHenrik Bjoernlund { 189886a14b79SHenrik Bjoernlund } 18995e312fc0SHenrik Bjoernlund 19005e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19015e312fc0SHenrik Bjoernlund { 19025e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19035e312fc0SHenrik Bjoernlund } 1904e77824d8SHenrik Bjoernlund 1905b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1906b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1907b6d0425bSHenrik Bjoernlund bool getlink) 1908b6d0425bSHenrik Bjoernlund { 1909b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1910b6d0425bSHenrik Bjoernlund } 1911b6d0425bSHenrik Bjoernlund 1912b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1913b6d0425bSHenrik Bjoernlund { 1914b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1915b6d0425bSHenrik Bjoernlund } 1916b6d0425bSHenrik Bjoernlund 1917b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1918e77824d8SHenrik Bjoernlund { 1919e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1920e77824d8SHenrik Bjoernlund } 192186a14b79SHenrik Bjoernlund #endif 192286a14b79SHenrik Bjoernlund 192311dc1f36SStephen Hemminger /* br_netlink.c */ 1924149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1925348662a1SJoe Perches int br_netlink_init(void); 1926348662a1SJoe Perches void br_netlink_fini(void); 192792899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 192892899063SNikolay Aleksandrov const struct net_bridge_port *port); 1929b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1930b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19312fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19322fd527b7SPetr Machata struct netlink_ext_ack *extack); 1933add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1934348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 193546c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1936f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1937f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1938f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1939f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1940f26b2965SNikolay Aleksandrov bool *changed, 1941f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 194211dc1f36SStephen Hemminger 19431da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19441da177e4SLinus Torvalds /* br_sysfs_if.c */ 194552cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1946348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1947348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19481da177e4SLinus Torvalds 19491da177e4SLinus Torvalds /* br_sysfs_br.c */ 1950348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1951348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19521da177e4SLinus Torvalds 19531da177e4SLinus Torvalds #else 19541da177e4SLinus Torvalds 19550cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19560cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19570cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19580cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19591da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19601da177e4SLinus Torvalds 19616bc506b4SIdo Schimmel /* br_switchdev.c */ 19626bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1963957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1964957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1965957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1966957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1967957e2235SVladimir Oltean bool tx_fwd_offload, 1968957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1969957e2235SVladimir Oltean 1970957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 1971957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1972957e2235SVladimir Oltean struct notifier_block *blocking_nb); 1973957e2235SVladimir Oltean 197447211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 197547211192STobias Waldekranz 1976c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 1977c5381154SVladimir Oltean 197847211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 197947211192STobias Waldekranz struct sk_buff *skb); 198047211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 198147211192STobias Waldekranz struct sk_buff *skb); 19826bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 19836bc506b4SIdo Schimmel struct sk_buff *skb); 19846bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 19856bc506b4SIdo Schimmel const struct sk_buff *skb); 19863922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 19873922285dSArkadi Sharshevsky unsigned long flags, 1988078bbb85SVladimir Oltean unsigned long mask, 1989078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 19906eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 19916eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1992169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1993169327d5SPetr Machata struct netlink_ext_ack *extack); 1994d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 199585826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 1996f1c2eddfSIdo Schimmel 1997f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1998f1c2eddfSIdo Schimmel { 1999f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2000f1c2eddfSIdo Schimmel } 20016bc506b4SIdo Schimmel #else 2002957e2235SVladimir Oltean static inline int 2003957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2004957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2005957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2006957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2007957e2235SVladimir Oltean bool tx_fwd_offload, 2008957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2009957e2235SVladimir Oltean { 2010957e2235SVladimir Oltean return -EOPNOTSUPP; 2011957e2235SVladimir Oltean } 2012957e2235SVladimir Oltean 2013957e2235SVladimir Oltean static inline void 2014957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2015957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2016957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2017957e2235SVladimir Oltean { 2018957e2235SVladimir Oltean } 2019957e2235SVladimir Oltean 202047211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 202147211192STobias Waldekranz { 202247211192STobias Waldekranz return false; 202347211192STobias Waldekranz } 202447211192STobias Waldekranz 2025c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2026c5381154SVladimir Oltean { 2027c5381154SVladimir Oltean } 2028c5381154SVladimir Oltean 202947211192STobias Waldekranz static inline void 203047211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 203147211192STobias Waldekranz struct sk_buff *skb) 203247211192STobias Waldekranz { 203347211192STobias Waldekranz } 203447211192STobias Waldekranz 203547211192STobias Waldekranz static inline void 203647211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 203747211192STobias Waldekranz struct sk_buff *skb) 203847211192STobias Waldekranz { 203947211192STobias Waldekranz } 204047211192STobias Waldekranz 20416bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20426bc506b4SIdo Schimmel struct sk_buff *skb) 20436bc506b4SIdo Schimmel { 20446bc506b4SIdo Schimmel } 20456bc506b4SIdo Schimmel 20466bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20476bc506b4SIdo Schimmel const struct sk_buff *skb) 20486bc506b4SIdo Schimmel { 20496bc506b4SIdo Schimmel return true; 20506bc506b4SIdo Schimmel } 20513922285dSArkadi Sharshevsky 20523922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20533922285dSArkadi Sharshevsky unsigned long flags, 2054078bbb85SVladimir Oltean unsigned long mask, 2055078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20563922285dSArkadi Sharshevsky { 20573922285dSArkadi Sharshevsky return 0; 20583922285dSArkadi Sharshevsky } 20596b26b51bSArkadi Sharshevsky 2060d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 2061169327d5SPetr Machata u16 vid, u16 flags, 2062169327d5SPetr Machata struct netlink_ext_ack *extack) 2063d66e4348SPetr Machata { 2064d66e4348SPetr Machata return -EOPNOTSUPP; 2065d66e4348SPetr Machata } 2066d66e4348SPetr Machata 2067d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2068d66e4348SPetr Machata { 2069d66e4348SPetr Machata return -EOPNOTSUPP; 2070d66e4348SPetr Machata } 2071d66e4348SPetr Machata 20726b26b51bSArkadi Sharshevsky static inline void 20736eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 20746eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 20756b26b51bSArkadi Sharshevsky { 20766b26b51bSArkadi Sharshevsky } 2077f1c2eddfSIdo Schimmel 2078f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2079f1c2eddfSIdo Schimmel { 2080f1c2eddfSIdo Schimmel } 208185826610STobias Waldekranz 208285826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 208385826610STobias Waldekranz { 208485826610STobias Waldekranz } 208585826610STobias Waldekranz 20866bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 20876bc506b4SIdo Schimmel 2088057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2089821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2090057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2091057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2092ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2093ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2094ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 20951da177e4SLinus Torvalds #endif 2096