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 3199b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 32f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 33d08c6bc0SNikolay Aleksandrov 3485826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3585826610STobias Waldekranz 369cde0708SStephen Hemminger #define BR_VERSION "2.3" 379cde0708SStephen Hemminger 38515853ccSstephen hemminger /* Control of forwarding link local multicast */ 39515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 40784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 415af48b59SNikolay Aleksandrov enum { 425af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 435af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 455af48b59SNikolay Aleksandrov }; 465af48b59SNikolay Aleksandrov 475af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 485af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 49f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 50f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 51515853ccSstephen hemminger 529cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 539cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 548cbb512eSStephen Hemminger 5531cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5631cbc39bSNikolay Aleksandrov 571da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 581da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 591da177e4SLinus Torvalds typedef __u16 port_id; 601da177e4SLinus Torvalds 611c1cb6d0SNikolay Aleksandrov struct bridge_id { 621da177e4SLinus Torvalds unsigned char prio[2]; 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661c1cb6d0SNikolay Aleksandrov struct mac_addr { 67e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 70cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 71cc0fdd80SLinus Lüssing /* our own querier */ 7290010b36SLinus Lüssing struct bridge_mcast_own_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing u32 startup_sent; 75cc0fdd80SLinus Lüssing }; 76cc0fdd80SLinus Lüssing 77cc0fdd80SLinus Lüssing /* other querier */ 7890010b36SLinus Lüssing struct bridge_mcast_other_query { 79cc0fdd80SLinus Lüssing struct timer_list timer; 80cc0fdd80SLinus Lüssing unsigned long delay_time; 81cc0fdd80SLinus Lüssing }; 82dc4eb53aSLinus Lüssing 83dc4eb53aSLinus Lüssing /* selected querier */ 84dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 85dc4eb53aSLinus Lüssing struct br_ip addr; 86bb18ef8eSNikolay Aleksandrov int port_ifidx; 87f936bb42SThomas Gleixner seqcount_spinlock_t seq; 88dc4eb53aSLinus Lüssing }; 891080ab95SNikolay Aleksandrov 901080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 911080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 921080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 931080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 941080ab95SNikolay Aleksandrov }; 95cb453926SIdo Schimmel 96cb453926SIdo Schimmel struct br_mdb_config { 97cb453926SIdo Schimmel struct net_bridge *br; 98cb453926SIdo Schimmel struct net_bridge_port *p; 99cb453926SIdo Schimmel struct br_mdb_entry *entry; 100cb453926SIdo Schimmel struct br_ip group; 101*079afd66SIdo Schimmel bool src_entry; 102cb453926SIdo Schimmel }; 103cc0fdd80SLinus Lüssing #endif 104cc0fdd80SLinus Lüssing 1059632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 1069632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 1079632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1089632233eSNikolay Aleksandrov struct net_bridge_port *port; 109613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1109632233eSNikolay Aleksandrov 1119632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1129632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1139632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1149632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1159632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1169632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1179632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1189632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1199632233eSNikolay Aleksandrov unsigned char multicast_router; 1209632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1219632233eSNikolay Aleksandrov }; 1229632233eSNikolay Aleksandrov 123d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 124d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 125d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 126d3d065c0SNikolay Aleksandrov struct net_bridge *br; 127613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 128d3d065c0SNikolay Aleksandrov 129d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 130d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 131d3d065c0SNikolay Aleksandrov 1324d5b4e84SNikolay Aleksandrov u8 multicast_querier; 133d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 134d3d065c0SNikolay Aleksandrov u8 multicast_router; 135d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 136d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 137d3d065c0SNikolay Aleksandrov #endif 138d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 139d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 140d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 141d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 142d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 143d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 144d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 145d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 146d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 147d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 148d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 149d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 150d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 151d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 152d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 153d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 154d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 155d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 156d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 157d3d065c0SNikolay Aleksandrov }; 158d3d065c0SNikolay Aleksandrov 159efa5356bSRoopa Prabhu struct br_tunnel_info { 160efa5356bSRoopa Prabhu __be64 tunnel_id; 16158e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 162efa5356bSRoopa Prabhu }; 163efa5356bSRoopa Prabhu 1649d332e69SNikolay Aleksandrov /* private vlan flags */ 1659d332e69SNikolay Aleksandrov enum { 1669d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 16727973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1687b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1697b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1709d332e69SNikolay Aleksandrov }; 1719d332e69SNikolay Aleksandrov 1722594e906SNikolay Aleksandrov /** 1732594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1742594e906SNikolay Aleksandrov * 1752594e906SNikolay Aleksandrov * @vnode: rhashtable member 1762594e906SNikolay Aleksandrov * @vid: VLAN id 1772594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1789d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 179a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1806dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1812594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1822594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1832594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1842594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1852594e906SNikolay Aleksandrov * for this VLAN entry 186613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 187613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 188613d61dbSNikolay Aleksandrov * context 189ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 1902594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1912594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1922594e906SNikolay Aleksandrov * 1932594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1942594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1952594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1962594e906SNikolay Aleksandrov * the entry flags that are set. 1972594e906SNikolay Aleksandrov */ 1982594e906SNikolay Aleksandrov struct net_bridge_vlan { 1992594e906SNikolay Aleksandrov struct rhash_head vnode; 200efa5356bSRoopa Prabhu struct rhash_head tnode; 2012594e906SNikolay Aleksandrov u16 vid; 2022594e906SNikolay Aleksandrov u16 flags; 2039d332e69SNikolay Aleksandrov u16 priv_flags; 204a580c76dSNikolay Aleksandrov u8 state; 205281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 206243a2e63SVlad Yasevich union { 207243a2e63SVlad Yasevich struct net_bridge *br; 2082594e906SNikolay Aleksandrov struct net_bridge_port *port; 2092594e906SNikolay Aleksandrov }; 2102594e906SNikolay Aleksandrov union { 21125127759SReshetova, Elena refcount_t refcnt; 2122594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2132594e906SNikolay Aleksandrov }; 214efa5356bSRoopa Prabhu 215efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 216efa5356bSRoopa Prabhu 217613d61dbSNikolay Aleksandrov union { 218613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 219613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 220613d61dbSNikolay Aleksandrov }; 221613d61dbSNikolay Aleksandrov 222ec7328b5STobias Waldekranz u16 msti; 223ec7328b5STobias Waldekranz 2242594e906SNikolay Aleksandrov struct list_head vlist; 2252594e906SNikolay Aleksandrov 226243a2e63SVlad Yasevich struct rcu_head rcu; 2272594e906SNikolay Aleksandrov }; 2282594e906SNikolay Aleksandrov 2292594e906SNikolay Aleksandrov /** 2302594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2312594e906SNikolay Aleksandrov * 2322594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2332594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2342594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 23577751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 236a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2372594e906SNikolay Aleksandrov * 2382594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2392594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2402594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2412594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2422594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2432594e906SNikolay Aleksandrov */ 2442594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2452594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 246efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2472594e906SNikolay Aleksandrov struct list_head vlan_list; 2486cbdceebSVlad Yasevich u16 num_vlans; 24977751ee8SNikolay Aleksandrov u16 pvid; 250a580c76dSNikolay Aleksandrov u8 pvid_state; 251243a2e63SVlad Yasevich }; 252243a2e63SVlad Yasevich 2536869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2546869c3b0SNikolay Aleksandrov enum { 2556869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 25629e63fffSNikolay Aleksandrov BR_FDB_STATIC, 257e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 258ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 259b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 260d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 26131cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 262a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 263a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2646869c3b0SNikolay Aleksandrov }; 2656869c3b0SNikolay Aleksandrov 266eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 267eb793583SNikolay Aleksandrov mac_addr addr; 268eb793583SNikolay Aleksandrov u16 vlan_id; 269eb793583SNikolay Aleksandrov }; 270eb793583SNikolay Aleksandrov 2711214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 272eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2731da177e4SLinus Torvalds struct net_bridge_port *dst; 2741da177e4SLinus Torvalds 275eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 276eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2776869c3b0SNikolay Aleksandrov unsigned long flags; 2781214628cSNikolay Aleksandrov 2791214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2801214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2811214628cSNikolay Aleksandrov unsigned long used; 2821214628cSNikolay Aleksandrov 283b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2841da177e4SLinus Torvalds }; 2851da177e4SLinus Torvalds 2861f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 2871f78ee14SNikolay Aleksandrov unsigned long flags; 2881f78ee14SNikolay Aleksandrov unsigned long flags_mask; 2891f78ee14SNikolay Aleksandrov int port_ifindex; 2901f78ee14SNikolay Aleksandrov u16 vlan_id; 2911f78ee14SNikolay Aleksandrov }; 2921f78ee14SNikolay Aleksandrov 2939d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2949d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2953247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2968266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2979116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2989d06b6d8SElad Raz 2998b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 3008b671779SNikolay Aleksandrov 3018b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 3028b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 303b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 304a01ecb17SIdo Schimmel #define BR_SGRP_F_USER_ADDED BIT(3) 3058b671779SNikolay Aleksandrov 306e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 307e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 308e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 309e12cec65SNikolay Aleksandrov }; 310e12cec65SNikolay Aleksandrov 3118b671779SNikolay Aleksandrov struct net_bridge_group_src { 3128b671779SNikolay Aleksandrov struct hlist_node node; 3138b671779SNikolay Aleksandrov 3148b671779SNikolay Aleksandrov struct br_ip addr; 3158b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3168b671779SNikolay Aleksandrov u8 flags; 317438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3188b671779SNikolay Aleksandrov struct timer_list timer; 3198b671779SNikolay Aleksandrov 3208b671779SNikolay Aleksandrov struct net_bridge *br; 321e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3228b671779SNikolay Aleksandrov struct rcu_head rcu; 3238b671779SNikolay Aleksandrov }; 3248b671779SNikolay Aleksandrov 325085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 326eb1d1641SHerbert Xu struct net_bridge_port *port; 3278ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 328085b53c8SNikolay Aleksandrov }; 329085b53c8SNikolay Aleksandrov 330085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 331085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 332085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 333206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3349d06b6d8SElad Raz unsigned char flags; 3358b671779SNikolay Aleksandrov unsigned char filter_mode; 33642c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3378f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3386ec0d0eeSNikolay Aleksandrov 3398b671779SNikolay Aleksandrov struct hlist_head src_list; 3408b671779SNikolay Aleksandrov unsigned int src_ents; 3416ec0d0eeSNikolay Aleksandrov struct timer_list timer; 34242c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3436ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3448f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3458f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3466ec0d0eeSNikolay Aleksandrov 347085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 348e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3496ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 350eb1d1641SHerbert Xu }; 351eb1d1641SHerbert Xu 3521c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 35319e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 354eb1d1641SHerbert Xu struct net_bridge *br; 355e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3568ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 357ff0fd34eSAndrew Lunn bool host_joined; 3586ec0d0eeSNikolay Aleksandrov 3596ec0d0eeSNikolay Aleksandrov struct timer_list timer; 36019e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3616ec0d0eeSNikolay Aleksandrov 362e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3636ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 364eb1d1641SHerbert Xu }; 365eb1d1641SHerbert Xu 3661f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3671da177e4SLinus Torvalds struct net_bridge *br; 3681da177e4SLinus Torvalds struct net_device *dev; 369b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3701da177e4SLinus Torvalds struct list_head list; 3711da177e4SLinus Torvalds 3721f90c7f3SNikolay Aleksandrov unsigned long flags; 3731f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3741f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3751f90c7f3SNikolay Aleksandrov #endif 3762756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3771f90c7f3SNikolay Aleksandrov 3781da177e4SLinus Torvalds /* STP */ 3791da177e4SLinus Torvalds u8 priority; 3801da177e4SLinus Torvalds u8 state; 3811da177e4SLinus Torvalds u16 port_no; 3821da177e4SLinus Torvalds unsigned char topology_change_ack; 3831da177e4SLinus Torvalds unsigned char config_pending; 3841da177e4SLinus Torvalds port_id port_id; 3851da177e4SLinus Torvalds port_id designated_port; 3861da177e4SLinus Torvalds bridge_id designated_root; 3871da177e4SLinus Torvalds bridge_id designated_bridge; 3881da177e4SLinus Torvalds u32 path_cost; 3891da177e4SLinus Torvalds u32 designated_cost; 3900c03150eSstephen hemminger unsigned long designated_age; 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3931da177e4SLinus Torvalds struct timer_list hold_timer; 3941da177e4SLinus Torvalds struct timer_list message_age_timer; 3951da177e4SLinus Torvalds struct kobject kobj; 3961da177e4SLinus Torvalds struct rcu_head rcu; 3973982d3d2SFischer, Anna 3989632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3999632233eSNikolay Aleksandrov 400eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 4019632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 4029632233eSNikolay Aleksandrov 40389268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 40489268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 405eb1d1641SHerbert Xu struct hlist_head mglist; 406eb1d1641SHerbert Xu #endif 407e0f43752SSimon Arlott 408e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 409e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 410e0f43752SSimon Arlott #endif 41191d2c34aSHerbert Xu 41291d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 41391d2c34aSHerbert Xu struct netpoll *np; 41491d2c34aSHerbert Xu #endif 4156bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 416f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 417f7cf972fSTobias Waldekranz * hardware domain. 418f7cf972fSTobias Waldekranz */ 419f7cf972fSTobias Waldekranz int hwdom; 4202f5dc00fSVladimir Oltean int offload_count; 4212f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4226bc506b4SIdo Schimmel #endif 4235af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4242756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 425de179966SVivien Didelot 426de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4271da177e4SLinus Torvalds }; 4281da177e4SLinus Torvalds 429705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 430705e0deaSTyler Hicks 431e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 432f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 433e028e4b8SVlad Yasevich 434b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 435b5ed54e9Sstephen hemminger { 436716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 437b5ed54e9Sstephen hemminger } 438b5ed54e9Sstephen hemminger 4391fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 440b5ed54e9Sstephen hemminger { 44135f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 442ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 443b5ed54e9Sstephen hemminger } 444b5ed54e9Sstephen hemminger 4450baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4460baa10ffSArkadi Sharshevsky { 44735f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4480baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4490baa10ffSArkadi Sharshevsky } 4500baa10ffSArkadi Sharshevsky 451ae75767eSNikolay Aleksandrov enum net_bridge_opts { 452ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 453ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4548df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4558df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4568df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 457be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 45813cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 459675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 460675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 461675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 462c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4633341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4649163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 46570e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4669c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 467f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 468ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 469ae75767eSNikolay Aleksandrov }; 470ae75767eSNikolay Aleksandrov 4711f90c7f3SNikolay Aleksandrov struct net_bridge { 4721da177e4SLinus Torvalds spinlock_t lock; 4731f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 47490c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4751da177e4SLinus Torvalds struct net_device *dev; 476ae75767eSNikolay Aleksandrov unsigned long options; 4771f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4781f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4791f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4801f90c7f3SNikolay Aleksandrov u16 default_pvid; 4811f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4821f90c7f3SNikolay Aleksandrov #endif 4831f90c7f3SNikolay Aleksandrov 484eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 48590c628ddSHenrik Bjoernlund struct list_head port_list; 48634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 487efb6de9bSBernhard Thaler union { 4884adf0af6SSimon Wunderlich struct rtable fake_rtable; 489efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 490efb6de9bSBernhard Thaler }; 4914adf0af6SSimon Wunderlich #endif 492515853ccSstephen hemminger u16 group_fwd_mask; 493f2808d22SToshiaki Makita u16 group_fwd_mask_required; 494515853ccSstephen hemminger 4951da177e4SLinus Torvalds /* STP */ 4961da177e4SLinus Torvalds bridge_id designated_root; 4971da177e4SLinus Torvalds bridge_id bridge_id; 4981f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4991f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 5001f90c7f3SNikolay Aleksandrov u16 root_port; 5011da177e4SLinus Torvalds unsigned long max_age; 5021da177e4SLinus Torvalds unsigned long hello_time; 5031da177e4SLinus Torvalds unsigned long forward_delay; 5041da177e4SLinus Torvalds unsigned long ageing_time; 50534d8acd8SVivien Didelot unsigned long bridge_max_age; 5061da177e4SLinus Torvalds unsigned long bridge_hello_time; 5071da177e4SLinus Torvalds unsigned long bridge_forward_delay; 50834d8acd8SVivien Didelot unsigned long bridge_ageing_time; 50935750b0bSNikolay Aleksandrov u32 root_path_cost; 5101da177e4SLinus Torvalds 511fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5129cde0708SStephen Hemminger 5139cde0708SStephen Hemminger enum { 5149cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5159cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5169cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5179cde0708SStephen Hemminger } stp_enabled; 5189cde0708SStephen Hemminger 519d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 520d3d065c0SNikolay Aleksandrov 521eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 522d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 523eb1d1641SHerbert Xu 524eb1d1641SHerbert Xu u32 hash_max; 525eb1d1641SHerbert Xu 52635750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 527eb1d1641SHerbert Xu 52819e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 529085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 53019e3a9c9SNikolay Aleksandrov 531e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 53219e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 533eb1d1641SHerbert Xu 534e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 535eb1d1641SHerbert Xu #endif 536eb1d1641SHerbert Xu 5371da177e4SLinus Torvalds struct timer_list hello_timer; 5381da177e4SLinus Torvalds struct timer_list tcn_timer; 5391da177e4SLinus Torvalds struct timer_list topology_change_timer; 540f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 54143b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 542e028e4b8SVlad Yasevich u32 auto_cnt; 5436bc506b4SIdo Schimmel 5446bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 545f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 546f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 547f7cf972fSTobias Waldekranz */ 548f7cf972fSTobias Waldekranz int last_hwdom; 54985826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 55085826610STobias Waldekranz unsigned long busy_hwdoms; 5516bc506b4SIdo Schimmel #endif 552eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5534b8d7d4cSHoratiu Vultur 5544b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5550169b820SHoratiu Vultur struct hlist_head mrp_list; 5564b8d7d4cSHoratiu Vultur #endif 557f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 558f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 559f323aa54SHenrik Bjoernlund #endif 5601da177e4SLinus Torvalds }; 5611da177e4SLinus Torvalds 56268b7c895SHerbert Xu struct br_input_skb_cb { 56368b7c895SHerbert Xu struct net_device *brdev; 56493fdd47eSHerbert Xu 5653c171f49SPablo Neira Ayuso u16 frag_max_size; 56632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 567f12064d1SFlorian Westphal u8 igmp; 568f12064d1SFlorian Westphal u8 mrouters_only:1; 56932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 570f12064d1SFlorian Westphal u8 proxyarp_replied:1; 571f12064d1SFlorian Westphal u8 src_port_isolated:1; 57220adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 573f12064d1SFlorian Westphal u8 vlan_filtered:1; 57420adfa1aSVlad Yasevich #endif 575223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 576223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 577223fd0adSFlorian Westphal #endif 5786bc506b4SIdo Schimmel 5796bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 58047211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 58147211192STobias Waldekranz * hardware domain. 58247211192STobias Waldekranz */ 58347211192STobias Waldekranz u8 tx_fwd_offload:1; 584f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 585f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 586f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 587f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 588f7cf972fSTobias Waldekranz */ 589f7cf972fSTobias Waldekranz int src_hwdom; 59047211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 59147211192STobias Waldekranz * transmitted using the TX data plane offload. 59247211192STobias Waldekranz */ 59347211192STobias Waldekranz unsigned long fwd_hwdoms; 5946bc506b4SIdo Schimmel #endif 59568b7c895SHerbert Xu }; 59668b7c895SHerbert Xu 59768b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 59868b7c895SHerbert Xu 59932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 60032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 60132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 60232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 60332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 60432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 60528a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 60628a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 60728a16c97Sstephen hemminger 60828a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 60928a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 61028a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 61128a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 61228a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 61328a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 61428a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 61528a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 61628a16c97Sstephen hemminger 61728a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 61828a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 61928a16c97Sstephen hemminger 6201da177e4SLinus Torvalds /* called under bridge lock */ 6211da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6221da177e4SLinus Torvalds { 6231da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6241da177e4SLinus Torvalds } 6251da177e4SLinus Torvalds 6262594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6272594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6282594e906SNikolay Aleksandrov { 6292594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6302594e906SNikolay Aleksandrov } 6312594e906SNikolay Aleksandrov 6322594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6332594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6342594e906SNikolay Aleksandrov { 6352594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6362594e906SNikolay Aleksandrov } 6372594e906SNikolay Aleksandrov 6386be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6392594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6402594e906SNikolay Aleksandrov { 6412594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6422594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6432594e906SNikolay Aleksandrov return true; 6442594e906SNikolay Aleksandrov else 6452594e906SNikolay Aleksandrov return false; 6462594e906SNikolay Aleksandrov } 6472594e906SNikolay Aleksandrov 6482594e906SNikolay Aleksandrov return true; 6492594e906SNikolay Aleksandrov } 6502594e906SNikolay Aleksandrov 6515d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6525d1fcaf3SNikolay Aleksandrov { 6535d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6545d1fcaf3SNikolay Aleksandrov } 6555d1fcaf3SNikolay Aleksandrov 6568f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6575a46facbSNikolay Aleksandrov { 6588f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6598f4cc940SNikolay Aleksandrov 6608f4cc940SNikolay Aleksandrov if (!ret) 6618f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6628f4cc940SNikolay Aleksandrov 6638f4cc940SNikolay Aleksandrov return ret; 6645a46facbSNikolay Aleksandrov } 6655a46facbSNikolay Aleksandrov 6665a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6678f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6688f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6695a46facbSNikolay Aleksandrov { 6705a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6718f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6728f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6735a46facbSNikolay Aleksandrov return false; 6748f4cc940SNikolay Aleksandrov } 6755a46facbSNikolay Aleksandrov 6765a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6775a46facbSNikolay Aleksandrov * - it has range start flag 6785a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6795a46facbSNikolay Aleksandrov */ 6805a46facbSNikolay Aleksandrov if (last) { 6818f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6828f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6835a46facbSNikolay Aleksandrov return false; 6848f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6858f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6868f4cc940SNikolay Aleksandrov return false; 6878f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6888f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6898f4cc940SNikolay Aleksandrov return false; 6908f4cc940SNikolay Aleksandrov } 6918f4cc940SNikolay Aleksandrov } 6928f4cc940SNikolay Aleksandrov 6938f4cc940SNikolay Aleksandrov /* check for required range flags */ 6948f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6958f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6968f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6975a46facbSNikolay Aleksandrov return false; 6985a46facbSNikolay Aleksandrov } 6995a46facbSNikolay Aleksandrov 7005a46facbSNikolay Aleksandrov return true; 7015a46facbSNikolay Aleksandrov } 7025a46facbSNikolay Aleksandrov 7032796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 7042796d846SNikolay Aleksandrov { 7052796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 7062796d846SNikolay Aleksandrov 7072796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 7082796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7092796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7102796d846SNikolay Aleksandrov else 7112796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7122796d846SNikolay Aleksandrov #endif 7132796d846SNikolay Aleksandrov 7142796d846SNikolay Aleksandrov return mcast_router; 7152796d846SNikolay Aleksandrov } 7162796d846SNikolay Aleksandrov 717f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 718f545923bSNikolay Aleksandrov { 719f545923bSNikolay Aleksandrov switch (cmd) { 720f545923bSNikolay Aleksandrov case RTM_SETLINK: 721f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 722f545923bSNikolay Aleksandrov case RTM_DELLINK: 723f545923bSNikolay Aleksandrov return RTM_DELVLAN; 724f545923bSNikolay Aleksandrov } 725f545923bSNikolay Aleksandrov 726f545923bSNikolay Aleksandrov return 0; 727f545923bSNikolay Aleksandrov } 728f545923bSNikolay Aleksandrov 729ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 730ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 731ae75767eSNikolay Aleksandrov { 732ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 733ae75767eSNikolay Aleksandrov } 734ae75767eSNikolay Aleksandrov 735a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 736a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 737a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 738a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 739a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 740a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 741a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 742a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 743ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 744ae75767eSNikolay Aleksandrov 7451da177e4SLinus Torvalds /* br_device.c */ 746348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 747348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 748348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 749cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 75091d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 75191d2c34aSHerbert Xu struct sk_buff *skb) 75291d2c34aSHerbert Xu { 753f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 75491d2c34aSHerbert Xu } 75591d2c34aSHerbert Xu 756a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 757348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 75891d2c34aSHerbert Xu #else 7599f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 76091d2c34aSHerbert Xu struct sk_buff *skb) 76191d2c34aSHerbert Xu { 76291d2c34aSHerbert Xu } 76391d2c34aSHerbert Xu 764a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 76591d2c34aSHerbert Xu { 76691d2c34aSHerbert Xu return 0; 76791d2c34aSHerbert Xu } 76891d2c34aSHerbert Xu 76991d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 77091d2c34aSHerbert Xu { 77191d2c34aSHerbert Xu } 772cfb478daSstephen hemminger #endif 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvalds /* br_fdb.c */ 775564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 776564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 777564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 778564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 779564445fbSNikolay Aleksandrov 780348662a1SJoe Perches int br_fdb_init(void); 781348662a1SJoe Perches void br_fdb_fini(void); 782eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 783eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 7841f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 7851f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 786424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 787424bb9c9SToshiaki Makita const struct net_bridge_port *p, 788424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 789348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 790348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 791f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 792348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7931ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 794bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 795bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 796bfd0aeacSNikolay Aleksandrov __u16 vid); 797348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 798348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 799348662a1SJoe Perches unsigned long off); 800f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 801348662a1SJoe Perches const unsigned char *addr, u16 vid); 802348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 803be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 80477162022SJohn Fastabend 805348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 806ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 807ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 808edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 809edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 810edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 811348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 81287b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 81387b0984eSPetr Machata struct netlink_ext_ack *extack); 814348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 815d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 81647674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 81747674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 81847674562SRoopa Prabhu struct netlink_ext_ack *extack); 8198db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8208db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8213aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 82245a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 82327fabd02SHans J. Schultz bool locked, bool swdev_notify); 8243aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 825161d82deSPetr Machata const unsigned char *addr, u16 vid, 826161d82deSPetr Machata bool swdev_notify); 8279fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 828e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8291da177e4SLinus Torvalds 8301da177e4SLinus Torvalds /* br_forward.c */ 8318addd5e7SNikolay Aleksandrov enum br_pkt_type { 8328addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8338addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8348addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8358addd5e7SNikolay Aleksandrov }; 8360c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 837b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 83837b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8390c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 84037b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8418addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8421da177e4SLinus Torvalds 8437d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8447d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8457d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8467d850abdSNikolay Aleksandrov { 8477d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8487d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8497d850abdSNikolay Aleksandrov } 8507d850abdSNikolay Aleksandrov 8511da177e4SLinus Torvalds /* br_if.c */ 852faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 853348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 854348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 855ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 856ca752be0SDavid Ahern struct netlink_ext_ack *extack); 857348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 858804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 859348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 860c8f44affSMichał Mirosław netdev_features_t features); 861e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8622796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8632756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvalds /* br_input.c */ 8660c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8679eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8681da177e4SLinus Torvalds 86990c628ddSHenrik Bjoernlund struct br_frame_type { 87090c628ddSHenrik Bjoernlund __be16 type; 87190c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 87290c628ddSHenrik Bjoernlund struct sk_buff *skb); 87390c628ddSHenrik Bjoernlund struct hlist_node list; 87490c628ddSHenrik Bjoernlund }; 87590c628ddSHenrik Bjoernlund 87690c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 87790c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 87890c628ddSHenrik Bjoernlund 879859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 880859828c0SJiri Pirko { 8819eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 882859828c0SJiri Pirko } 883859828c0SJiri Pirko 8844d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8854d4fd361SPetr Machata { 8869eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8874d4fd361SPetr Machata } 8884d4fd361SPetr Machata 889859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 890859828c0SJiri Pirko { 891859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 892859828c0SJiri Pirko } 893859828c0SJiri Pirko 8944d4fd361SPetr Machata static inline struct net_bridge_port * 8954d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8964d4fd361SPetr Machata { 8974d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8984d4fd361SPetr Machata } 8994d4fd361SPetr Machata 9001da177e4SLinus Torvalds /* br_ioctl.c */ 901561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 902561d8352SArnd Bergmann void __user *data, int cmd); 903ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 904ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 9051da177e4SLinus Torvalds 906eb1d1641SHerbert Xu /* br_multicast.c */ 907eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 908f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 909f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 910f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 911fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 912adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 913eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9141080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 915348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 916348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 917348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 918348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 919851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 920851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 921348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 922348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 923e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 924adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 925adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 926adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 927a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 928a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 929a53581d5SNikolay Aleksandrov unsigned long val); 9302796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 931ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 932ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 93362938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 934348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 935df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 936df271cd6SNikolay Aleksandrov unsigned long val); 937aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 938df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 939df271cd6SNikolay Aleksandrov unsigned long val); 940aa2ae3e7SNikolay Aleksandrov #endif 941348662a1SJoe Perches struct net_bridge_mdb_entry * 94219e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 943348662a1SJoe Perches struct net_bridge_mdb_entry * 94419e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 945348662a1SJoe Perches struct net_bridge_port_group * 946f86c3e2cSIdo Schimmel br_multicast_new_port_group(struct net_bridge_port *port, 947f86c3e2cSIdo Schimmel const struct br_ip *group, 948762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9498b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9508f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 95119e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 95219e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 95381f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 95481f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9551e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 956949f1e39SSatish Ashok int type); 957681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 958681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 959681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 960adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 961adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 962a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9631080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 964b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9651080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9661080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9671080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 96819e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 96919e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 97058d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 97158d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9721bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9738266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9748266a049SNikolay Aleksandrov u8 filter_mode); 9758266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9768266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 977474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 978474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 979fd0c6961SIdo Schimmel struct net_bridge_group_src * 980fd0c6961SIdo Schimmel br_multicast_new_group_src(struct net_bridge_port_group *pg, 981fd0c6961SIdo Schimmel struct br_ip *src_ip); 982083e3534SIdo Schimmel void __br_multicast_del_group_src(struct net_bridge_group_src *src); 983d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 984d5a10222SNikolay Aleksandrov bool fastleave); 985613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 986613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 987613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 988613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 989613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 990613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 991613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 992613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9937b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 994f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 995f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9969dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 99785b35269SSridhar Samudrala 998dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 999dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 1000c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 1001c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 1002c7fa1d9bSNikolay Aleksandrov int nest_attr); 1003c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 100405d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 100599b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 100699b40610SNikolay Aleksandrov unsigned long val); 1007f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 1008f83a112bSNikolay Aleksandrov unsigned long val); 10094e51bf44SVladimir Oltean 1010955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 1011955062b0SNikolay Aleksandrov { 1012955062b0SNikolay Aleksandrov return group->proto == 0; 1013955062b0SNikolay Aleksandrov } 1014955062b0SNikolay Aleksandrov 1015cfd56754SCong Wang #define mlock_dereference(X, br) \ 1016cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1017cfd56754SCong Wang 101844ebb081SLinus Lüssing static inline struct hlist_node * 1019adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1020adc47037SNikolay Aleksandrov struct sk_buff *skb) 1021d3d065c0SNikolay Aleksandrov { 1022a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1023a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1024d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1025a3c02e76SLinus Lüssing #endif 1026d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 102744ebb081SLinus Lüssing } 102844ebb081SLinus Lüssing 102944ebb081SLinus Lüssing static inline struct net_bridge_port * 1030d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1031d3d065c0SNikolay Aleksandrov { 10329632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10339632233eSNikolay Aleksandrov 1034a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1035a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10369632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10379632233eSNikolay Aleksandrov ip6_rlist); 10389632233eSNikolay Aleksandrov else 1039a3c02e76SLinus Lüssing #endif 10409632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10419632233eSNikolay Aleksandrov ip4_rlist); 10429632233eSNikolay Aleksandrov 10439632233eSNikolay Aleksandrov if (mctx) 10449632233eSNikolay Aleksandrov return mctx->port; 10459632233eSNikolay Aleksandrov else 10469632233eSNikolay Aleksandrov return NULL; 104744ebb081SLinus Lüssing } 104844ebb081SLinus Lüssing 1049d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 105085b35269SSridhar Samudrala { 1051d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10521a3065a2SLinus Lüssing } 10531a3065a2SLinus Lüssing 1054d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10551a3065a2SLinus Lüssing { 10561a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1057d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10581a3065a2SLinus Lüssing #else 10591a3065a2SLinus Lüssing return false; 10601a3065a2SLinus Lüssing #endif 10611a3065a2SLinus Lüssing } 10621a3065a2SLinus Lüssing 10631a3065a2SLinus Lüssing static inline bool 1064adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10651a3065a2SLinus Lüssing { 1066d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10671a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10681a3065a2SLinus Lüssing return true; 10691a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10701a3065a2SLinus Lüssing if (skb) { 10711a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1072d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10731a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1074d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10751a3065a2SLinus Lüssing } else { 1076d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1077d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10781a3065a2SLinus Lüssing } 10791a3065a2SLinus Lüssing fallthrough; 10801a3065a2SLinus Lüssing default: 10811a3065a2SLinus Lüssing return false; 10821a3065a2SLinus Lüssing } 108385b35269SSridhar Samudrala } 1084b00589afSLinus Lüssing 1085cc0fdd80SLinus Lüssing static inline bool 1086adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10870888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10880888d5f3Sdaniel const bool is_ipv6) 1089b00589afSLinus Lüssing { 10900888d5f3Sdaniel bool own_querier_enabled; 10910888d5f3Sdaniel 109262938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1093adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10940888d5f3Sdaniel own_querier_enabled = false; 10950888d5f3Sdaniel else 10960888d5f3Sdaniel own_querier_enabled = true; 10970888d5f3Sdaniel } else { 10980888d5f3Sdaniel own_querier_enabled = false; 10990888d5f3Sdaniel } 11000888d5f3Sdaniel 1101cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 11020888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1103cc0fdd80SLinus Lüssing } 1104cc0fdd80SLinus Lüssing 1105adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1106955062b0SNikolay Aleksandrov struct ethhdr *eth, 1107955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1108cc0fdd80SLinus Lüssing { 1109cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1110cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1111adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1112adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1113cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1114cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1115adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1116adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1117cc0fdd80SLinus Lüssing #endif 1118cc0fdd80SLinus Lüssing default: 1119955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1120cc0fdd80SLinus Lüssing } 1121b00589afSLinus Lüssing } 11221080ab95SNikolay Aleksandrov 112388d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 112488d4bd18SNikolay Aleksandrov { 112588d4bd18SNikolay Aleksandrov switch (ip->proto) { 112688d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 112788d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 112888d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 112988d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 113088d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 113188d4bd18SNikolay Aleksandrov #endif 113288d4bd18SNikolay Aleksandrov default: 113388d4bd18SNikolay Aleksandrov return false; 113488d4bd18SNikolay Aleksandrov } 113588d4bd18SNikolay Aleksandrov } 113688d4bd18SNikolay Aleksandrov 1137adc47037SNikolay Aleksandrov static inline bool 1138adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11398266a049SNikolay Aleksandrov __be16 proto) 11408266a049SNikolay Aleksandrov { 11418266a049SNikolay Aleksandrov switch (proto) { 11428266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1143adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11448266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11458266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1146adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11478266a049SNikolay Aleksandrov #endif 11488266a049SNikolay Aleksandrov default: 11498266a049SNikolay Aleksandrov return false; 11508266a049SNikolay Aleksandrov } 11518266a049SNikolay Aleksandrov } 11528266a049SNikolay Aleksandrov 11531080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11541080ab95SNikolay Aleksandrov { 11551080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11561080ab95SNikolay Aleksandrov } 115742c11ccfSNikolay Aleksandrov 1158adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 115942c11ccfSNikolay Aleksandrov { 1160adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1161adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 116242c11ccfSNikolay Aleksandrov } 11630436862eSNikolay Aleksandrov 1164adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11650436862eSNikolay Aleksandrov { 1166fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11670436862eSNikolay Aleksandrov } 11687b54aaafSNikolay Aleksandrov 11697b54aaafSNikolay Aleksandrov static inline bool 11707b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11717b54aaafSNikolay Aleksandrov { 11727b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11737b54aaafSNikolay Aleksandrov } 11747b54aaafSNikolay Aleksandrov 11757b54aaafSNikolay Aleksandrov static inline bool 11767b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11777b54aaafSNikolay Aleksandrov { 11787b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11797b54aaafSNikolay Aleksandrov } 11807b54aaafSNikolay Aleksandrov 11817b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11827b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11837b54aaafSNikolay Aleksandrov { 11847b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11857b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11867b54aaafSNikolay Aleksandrov else 11877b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11887b54aaafSNikolay Aleksandrov } 11897b54aaafSNikolay Aleksandrov 11907b54aaafSNikolay Aleksandrov static inline bool 11917b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11927b54aaafSNikolay Aleksandrov { 1193168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1194168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1195168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 11967b54aaafSNikolay Aleksandrov } 11977b54aaafSNikolay Aleksandrov 11987b54aaafSNikolay Aleksandrov static inline bool 11997b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 12007b54aaafSNikolay Aleksandrov { 12017b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 12027b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12037b54aaafSNikolay Aleksandrov } 12047b54aaafSNikolay Aleksandrov 12057b54aaafSNikolay Aleksandrov static inline bool 12067b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 12077b54aaafSNikolay Aleksandrov { 12087b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 12097b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12107b54aaafSNikolay Aleksandrov } 12114cdd0d10SNikolay Aleksandrov 12124cdd0d10SNikolay Aleksandrov static inline bool 12134cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12144cdd0d10SNikolay Aleksandrov { 12154cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12164cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12174cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12184cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12194cdd0d10SNikolay Aleksandrov } 12204cdd0d10SNikolay Aleksandrov 12214cdd0d10SNikolay Aleksandrov static inline bool 12224cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12234cdd0d10SNikolay Aleksandrov { 12244cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12254cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12264cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12274cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12284cdd0d10SNikolay Aleksandrov } 1229df271cd6SNikolay Aleksandrov 1230df271cd6SNikolay Aleksandrov static inline bool 1231dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1232dc002875SNikolay Aleksandrov { 1233dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1234dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1235dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1236dc002875SNikolay Aleksandrov #else 1237dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1238dc002875SNikolay Aleksandrov #endif 1239dc002875SNikolay Aleksandrov } 1240dc002875SNikolay Aleksandrov 1241dc002875SNikolay Aleksandrov static inline bool 1242df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1243df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1244df271cd6SNikolay Aleksandrov { 1245df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1246df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1247931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1248931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 124950725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 125050725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 125177f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 125277f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12532da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12542da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1255cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1256cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1257d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1258d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 125942521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 126042521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1261941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1262941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 126362938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1264a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1265dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1266dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1267df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1268df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1269df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1270df271cd6SNikolay Aleksandrov #endif 1271df271cd6SNikolay Aleksandrov true; 1272df271cd6SNikolay Aleksandrov } 1273cb486ce9SNikolay Aleksandrov 1274cb486ce9SNikolay Aleksandrov static inline bool 1275cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1276cb486ce9SNikolay Aleksandrov { 1277cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1278cb486ce9SNikolay Aleksandrov 1279cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1280cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1281cb486ce9SNikolay Aleksandrov 1282cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1283cb486ce9SNikolay Aleksandrov } 1284eb1d1641SHerbert Xu #else 1285f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1286f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1287f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 128806499098SVlad Yasevich struct sk_buff *skb, 128906499098SVlad Yasevich u16 vid) 1290eb1d1641SHerbert Xu { 1291eb1d1641SHerbert Xu return 0; 1292eb1d1641SHerbert Xu } 1293eb1d1641SHerbert Xu 1294adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1295fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1296eb1d1641SHerbert Xu { 1297eb1d1641SHerbert Xu return NULL; 1298eb1d1641SHerbert Xu } 1299eb1d1641SHerbert Xu 13001080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1301eb1d1641SHerbert Xu { 13021080ab95SNikolay Aleksandrov return 0; 1303eb1d1641SHerbert Xu } 1304eb1d1641SHerbert Xu 1305eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1306eb1d1641SHerbert Xu { 1307eb1d1641SHerbert Xu } 1308eb1d1641SHerbert Xu 1309eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1310eb1d1641SHerbert Xu { 1311eb1d1641SHerbert Xu } 1312eb1d1641SHerbert Xu 1313eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1314eb1d1641SHerbert Xu { 1315eb1d1641SHerbert Xu } 1316eb1d1641SHerbert Xu 1317eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1318eb1d1641SHerbert Xu { 1319eb1d1641SHerbert Xu } 1320eb1d1641SHerbert Xu 1321851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1322851d0a73SJoseph Huang { 1323851d0a73SJoseph Huang } 1324851d0a73SJoseph Huang 1325851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1326851d0a73SJoseph Huang { 1327851d0a73SJoseph Huang } 1328851d0a73SJoseph Huang 1329eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1330eb1d1641SHerbert Xu { 1331eb1d1641SHerbert Xu } 1332eb1d1641SHerbert Xu 1333eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1334eb1d1641SHerbert Xu { 1335eb1d1641SHerbert Xu } 13365cb5e947SHerbert Xu 1337a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1338a7ce45a7SNikolay Aleksandrov { 1339a7ce45a7SNikolay Aleksandrov } 1340a7ce45a7SNikolay Aleksandrov 134137b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 134237b090e6SNikolay Aleksandrov struct sk_buff *skb, 1343adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 134437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13455cb5e947SHerbert Xu { 13465cb5e947SHerbert Xu } 13475cb5e947SHerbert Xu 1348adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1349bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1350eb1d1641SHerbert Xu { 135103aaa9e2SGustavo A. R. Silva return false; 1352eb1d1641SHerbert Xu } 135337b090e6SNikolay Aleksandrov 1354adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1355c43fd36fSVladimir Oltean struct ethhdr *eth, 1356c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1357b00589afSLinus Lüssing { 1358b00589afSLinus Lüssing return false; 1359b00589afSLinus Lüssing } 136037b090e6SNikolay Aleksandrov 1361fdb184d1SRami Rosen static inline void br_mdb_init(void) 1362fdb184d1SRami Rosen { 1363fdb184d1SRami Rosen } 136437b090e6SNikolay Aleksandrov 1365fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1366fdb184d1SRami Rosen { 1367fdb184d1SRami Rosen } 13681080ab95SNikolay Aleksandrov 136919e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 137019e3a9c9SNikolay Aleksandrov { 137119e3a9c9SNikolay Aleksandrov return 0; 137219e3a9c9SNikolay Aleksandrov } 137319e3a9c9SNikolay Aleksandrov 137419e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 137519e3a9c9SNikolay Aleksandrov { 137619e3a9c9SNikolay Aleksandrov } 137719e3a9c9SNikolay Aleksandrov 13781080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13791080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1380a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1381a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13821080ab95SNikolay Aleksandrov { 13831080ab95SNikolay Aleksandrov } 13841080ab95SNikolay Aleksandrov 13851080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13861080ab95SNikolay Aleksandrov { 13871080ab95SNikolay Aleksandrov return 0; 13881080ab95SNikolay Aleksandrov } 13891080ab95SNikolay Aleksandrov 1390b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1391b6fe0440SIdo Schimmel { 1392b6fe0440SIdo Schimmel } 1393b6fe0440SIdo Schimmel 13941080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13951080ab95SNikolay Aleksandrov { 13961080ab95SNikolay Aleksandrov return 0; 13971080ab95SNikolay Aleksandrov } 1398613d61dbSNikolay Aleksandrov 1399613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1400613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1401613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1402613d61dbSNikolay Aleksandrov { 1403613d61dbSNikolay Aleksandrov } 1404613d61dbSNikolay Aleksandrov 1405613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1406613d61dbSNikolay Aleksandrov { 1407613d61dbSNikolay Aleksandrov } 1408613d61dbSNikolay Aleksandrov 1409613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1410613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1411613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1412613d61dbSNikolay Aleksandrov { 1413613d61dbSNikolay Aleksandrov } 1414613d61dbSNikolay Aleksandrov 1415613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1416613d61dbSNikolay Aleksandrov { 1417613d61dbSNikolay Aleksandrov } 14187b54aaafSNikolay Aleksandrov 14197b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14207b54aaafSNikolay Aleksandrov bool on) 14217b54aaafSNikolay Aleksandrov { 14227b54aaafSNikolay Aleksandrov } 1423f4b7002aSNikolay Aleksandrov 1424f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1425f4b7002aSNikolay Aleksandrov bool on, 1426f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1427f4b7002aSNikolay Aleksandrov { 1428f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1429f4b7002aSNikolay Aleksandrov } 14309dee572cSNikolay Aleksandrov 14319dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14329dee572cSNikolay Aleksandrov bool on) 14339dee572cSNikolay Aleksandrov { 14349dee572cSNikolay Aleksandrov return false; 14359dee572cSNikolay Aleksandrov } 14364e51bf44SVladimir Oltean 1437df271cd6SNikolay Aleksandrov static inline bool 1438df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1439df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1440df271cd6SNikolay Aleksandrov { 1441df271cd6SNikolay Aleksandrov return true; 1442df271cd6SNikolay Aleksandrov } 144385b35269SSridhar Samudrala #endif 1444eb1d1641SHerbert Xu 1445243a2e63SVlad Yasevich /* br_vlan.c */ 1446243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 144777751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 144877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1449f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1450f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 145177751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 145285f46c6bSVlad Yasevich const struct sk_buff *skb); 1453e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1454348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 145511538d03SRoopa Prabhu const struct net_bridge_port *port, 14562594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 145778851988SVlad Yasevich struct sk_buff *skb); 1458f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1459169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1460348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1461348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14622594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1463204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14649e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14659e781401SVladimir Oltean struct netlink_ext_ack *extack); 1466dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1467dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14689e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14699e781401SVladimir Oltean struct netlink_ext_ack *extack); 14706dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14719163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14725be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14739e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14749e781401SVladimir Oltean struct netlink_ext_ack *extack); 1475169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1476169327d5SPetr Machata struct netlink_ext_ack *extack); 1477f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1478169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1479348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1480348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1481169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14822594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1483a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1484281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14859c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1486091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14879c0ec2e7SMike Manning void *ptr); 14888dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14898dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1490cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1491cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1492cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1493cf5bddb9SNikolay Aleksandrov int cmd); 1494a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1495a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1496a37b85c9SVlad Yasevich 1497bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1498bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1499bcf2766bSFelix Fietkau struct net_device_path *path); 1500bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1501bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1502bcf2766bSFelix Fietkau struct net_device_path *path); 1503bcf2766bSFelix Fietkau 15042594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1505a37b85c9SVlad Yasevich const struct net_bridge *br) 1506a37b85c9SVlad Yasevich { 1507907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1508a37b85c9SVlad Yasevich } 1509a37b85c9SVlad Yasevich 15102594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1511a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1512a37b85c9SVlad Yasevich { 1513907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1514907b1e6eSNikolay Aleksandrov } 1515907b1e6eSNikolay Aleksandrov 1516907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1517907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1518907b1e6eSNikolay Aleksandrov { 1519907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1520907b1e6eSNikolay Aleksandrov } 1521907b1e6eSNikolay Aleksandrov 1522907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1523907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1524907b1e6eSNikolay Aleksandrov { 1525907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1526a37b85c9SVlad Yasevich } 1527a37b85c9SVlad Yasevich 1528a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1529a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1530a37b85c9SVlad Yasevich */ 1531a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1532a37b85c9SVlad Yasevich { 1533a37b85c9SVlad Yasevich int err = 0; 1534a37b85c9SVlad Yasevich 15352594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15365978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15372594e906SNikolay Aleksandrov } else { 1538a37b85c9SVlad Yasevich *vid = 0; 1539a37b85c9SVlad Yasevich err = -EINVAL; 1540a37b85c9SVlad Yasevich } 1541a37b85c9SVlad Yasevich 1542a37b85c9SVlad Yasevich return err; 1543a37b85c9SVlad Yasevich } 154478851988SVlad Yasevich 154577751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 154678851988SVlad Yasevich { 154777751ee8SNikolay Aleksandrov if (!vg) 15485be5a2dfSVlad Yasevich return 0; 15495be5a2dfSVlad Yasevich 155078851988SVlad Yasevich smp_rmb(); 155177751ee8SNikolay Aleksandrov return vg->pvid; 155278851988SVlad Yasevich } 155378851988SVlad Yasevich 15548dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15558dcea187SNikolay Aleksandrov { 15568dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15578dcea187SNikolay Aleksandrov } 1558243a2e63SVlad Yasevich #else 155977751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 156077751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15612594e906SNikolay Aleksandrov struct sk_buff *skb, 1562f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1563f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1564f4b7002aSNikolay Aleksandrov 15652594e906SNikolay Aleksandrov { 1566f4b7002aSNikolay Aleksandrov *vlan = NULL; 15672594e906SNikolay Aleksandrov return true; 15682594e906SNikolay Aleksandrov } 15692594e906SNikolay Aleksandrov 15702594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 157185f46c6bSVlad Yasevich const struct sk_buff *skb) 157285f46c6bSVlad Yasevich { 157385f46c6bSVlad Yasevich return true; 157485f46c6bSVlad Yasevich } 157585f46c6bSVlad Yasevich 1576e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1577e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1578e0d7968aSToshiaki Makita { 1579e0d7968aSToshiaki Makita return true; 1580e0d7968aSToshiaki Makita } 1581e0d7968aSToshiaki Makita 158278851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 158311538d03SRoopa Prabhu const struct net_bridge_port *port, 15842594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 158578851988SVlad Yasevich struct sk_buff *skb) 158678851988SVlad Yasevich { 158778851988SVlad Yasevich return skb; 158878851988SVlad Yasevich } 158978851988SVlad Yasevich 1590f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1591169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1592243a2e63SVlad Yasevich { 1593f418af63SNikolay Aleksandrov *changed = false; 1594243a2e63SVlad Yasevich return -EOPNOTSUPP; 1595243a2e63SVlad Yasevich } 1596243a2e63SVlad Yasevich 1597243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1598243a2e63SVlad Yasevich { 1599243a2e63SVlad Yasevich return -EOPNOTSUPP; 1600243a2e63SVlad Yasevich } 1601243a2e63SVlad Yasevich 1602243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1603243a2e63SVlad Yasevich { 1604243a2e63SVlad Yasevich } 1605243a2e63SVlad Yasevich 1606204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1607204177f3SToshiaki Makita { 1608204177f3SToshiaki Makita } 1609204177f3SToshiaki Makita 16105be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 16118580e211SToshiaki Makita { 16125be5a2dfSVlad Yasevich return 0; 16138580e211SToshiaki Makita } 16148580e211SToshiaki Makita 1615f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1616169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1617243a2e63SVlad Yasevich { 1618f418af63SNikolay Aleksandrov *changed = false; 1619243a2e63SVlad Yasevich return -EOPNOTSUPP; 1620243a2e63SVlad Yasevich } 1621243a2e63SVlad Yasevich 1622243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1623243a2e63SVlad Yasevich { 1624243a2e63SVlad Yasevich return -EOPNOTSUPP; 1625243a2e63SVlad Yasevich } 1626243a2e63SVlad Yasevich 1627243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1628243a2e63SVlad Yasevich { 1629243a2e63SVlad Yasevich } 1630243a2e63SVlad Yasevich 16312594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16322594e906SNikolay Aleksandrov u16 vid) 1633a37b85c9SVlad Yasevich { 1634a37b85c9SVlad Yasevich return NULL; 1635a37b85c9SVlad Yasevich } 1636bc9a25d2SVlad Yasevich 1637169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1638169327d5SPetr Machata struct netlink_ext_ack *extack) 16395be5a2dfSVlad Yasevich { 16405be5a2dfSVlad Yasevich return 0; 16415be5a2dfSVlad Yasevich } 16425be5a2dfSVlad Yasevich 164378851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1644a37b85c9SVlad Yasevich { 1645a37b85c9SVlad Yasevich return 0; 1646a37b85c9SVlad Yasevich } 16472594e906SNikolay Aleksandrov 164877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 164978851988SVlad Yasevich { 16503df6bf45SVlad Yasevich return 0; 165178851988SVlad Yasevich } 16522796d0c6SVlad Yasevich 16537a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1654c97f47e3SVladimir Oltean unsigned long val, 1655c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1656a7854037SNikolay Aleksandrov { 1657a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1658a7854037SNikolay Aleksandrov } 16592594e906SNikolay Aleksandrov 16602594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16612594e906SNikolay Aleksandrov u32 filter_mask) 16622594e906SNikolay Aleksandrov { 16632594e906SNikolay Aleksandrov return 0; 16642594e906SNikolay Aleksandrov } 16652594e906SNikolay Aleksandrov 1666bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1667bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1668bcf2766bSFelix Fietkau struct net_device_path *path) 1669bcf2766bSFelix Fietkau { 1670bcf2766bSFelix Fietkau } 1671bcf2766bSFelix Fietkau 1672bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1673bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1674bcf2766bSFelix Fietkau struct net_device_path *path) 1675bcf2766bSFelix Fietkau { 1676bcf2766bSFelix Fietkau return 0; 1677bcf2766bSFelix Fietkau } 1678bcf2766bSFelix Fietkau 16792594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16802594e906SNikolay Aleksandrov const struct net_bridge *br) 16812594e906SNikolay Aleksandrov { 16822594e906SNikolay Aleksandrov return NULL; 16832594e906SNikolay Aleksandrov } 16842594e906SNikolay Aleksandrov 16852594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16862594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16872594e906SNikolay Aleksandrov { 16882594e906SNikolay Aleksandrov return NULL; 16892594e906SNikolay Aleksandrov } 1690907b1e6eSNikolay Aleksandrov 1691907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1692907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1693907b1e6eSNikolay Aleksandrov { 1694907b1e6eSNikolay Aleksandrov return NULL; 1695907b1e6eSNikolay Aleksandrov } 1696907b1e6eSNikolay Aleksandrov 1697907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1698907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1699907b1e6eSNikolay Aleksandrov { 1700907b1e6eSNikolay Aleksandrov return NULL; 1701907b1e6eSNikolay Aleksandrov } 1702a60c0903SNikolay Aleksandrov 1703a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1704281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1705a60c0903SNikolay Aleksandrov { 1706a60c0903SNikolay Aleksandrov } 17079c0ec2e7SMike Manning 17089c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 17099c0ec2e7SMike Manning unsigned long event) 17109c0ec2e7SMike Manning { 17119c0ec2e7SMike Manning } 17129c0ec2e7SMike Manning 1713091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17149c0ec2e7SMike Manning unsigned long event, void *ptr) 17159c0ec2e7SMike Manning { 1716091adf9bSNikolay Aleksandrov return 0; 17179c0ec2e7SMike Manning } 17188dcea187SNikolay Aleksandrov 17198dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17208dcea187SNikolay Aleksandrov { 17218dcea187SNikolay Aleksandrov } 17228dcea187SNikolay Aleksandrov 17238dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17248dcea187SNikolay Aleksandrov { 17258dcea187SNikolay Aleksandrov } 1726cf5bddb9SNikolay Aleksandrov 1727cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1728cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1729cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1730cf5bddb9SNikolay Aleksandrov int cmd) 1731cf5bddb9SNikolay Aleksandrov { 1732cf5bddb9SNikolay Aleksandrov } 1733528ae84aSNikolay Aleksandrov 1734528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1735528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1736528ae84aSNikolay Aleksandrov { 1737528ae84aSNikolay Aleksandrov return true; 1738528ae84aSNikolay Aleksandrov } 17394e51bf44SVladimir Oltean 1740c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1741c5f6e5ebSVladimir Oltean { 1742c5f6e5ebSVladimir Oltean return 0; 1743c5f6e5ebSVladimir Oltean } 1744c5f6e5ebSVladimir Oltean 1745243a2e63SVlad Yasevich #endif 1746243a2e63SVlad Yasevich 17477a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17487a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 174999f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 175099f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17517a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17527a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1753a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1754a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1755a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1756a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1757a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1758a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 175947ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 176047ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 176147ecd2dbSNikolay Aleksandrov int cmd, 176247ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1763743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1764743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1765743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1766743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1767a580c76dSNikolay Aleksandrov 1768a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1769a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1770a580c76dSNikolay Aleksandrov { 1771a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1772a580c76dSNikolay Aleksandrov } 1773a580c76dSNikolay Aleksandrov 1774a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1775a580c76dSNikolay Aleksandrov { 1776a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1777a580c76dSNikolay Aleksandrov } 1778a580c76dSNikolay Aleksandrov 1779a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1780a580c76dSNikolay Aleksandrov { 1781a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1782a580c76dSNikolay Aleksandrov } 1783a580c76dSNikolay Aleksandrov 1784a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1785a580c76dSNikolay Aleksandrov u8 state) 1786a580c76dSNikolay Aleksandrov { 1787a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1788a580c76dSNikolay Aleksandrov } 1789a580c76dSNikolay Aleksandrov 1790a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1791a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1792a580c76dSNikolay Aleksandrov { 1793a580c76dSNikolay Aleksandrov switch (state) { 1794a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1795a580c76dSNikolay Aleksandrov return learn_allow; 1796a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1797a580c76dSNikolay Aleksandrov return true; 1798a580c76dSNikolay Aleksandrov default: 1799a580c76dSNikolay Aleksandrov return false; 1800a580c76dSNikolay Aleksandrov } 1801a580c76dSNikolay Aleksandrov } 18027a53e718SNikolay Aleksandrov #endif 18037a53e718SNikolay Aleksandrov 1804ec7328b5STobias Waldekranz /* br_mst.c */ 1805ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1806ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1807ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1808ec7328b5STobias Waldekranz { 1809ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1810ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1811ec7328b5STobias Waldekranz } 1812ec7328b5STobias Waldekranz 1813ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1814ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18158c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1816ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1817ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1818ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1819122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1820122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1821122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1822122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1823122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1824ec7328b5STobias Waldekranz #else 1825ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1826ec7328b5STobias Waldekranz { 1827ec7328b5STobias Waldekranz return false; 1828ec7328b5STobias Waldekranz } 1829ec7328b5STobias Waldekranz 1830ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1831ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1832ec7328b5STobias Waldekranz { 1833ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1834ec7328b5STobias Waldekranz } 1835ec7328b5STobias Waldekranz 1836ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1837ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1838ec7328b5STobias Waldekranz { 1839ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1840ec7328b5STobias Waldekranz } 1841122c2948STobias Waldekranz 1842122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1843122c2948STobias Waldekranz { 1844122c2948STobias Waldekranz return 0; 1845122c2948STobias Waldekranz } 1846122c2948STobias Waldekranz 1847122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1848122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1849122c2948STobias Waldekranz { 1850122c2948STobias Waldekranz return -EOPNOTSUPP; 1851122c2948STobias Waldekranz } 1852122c2948STobias Waldekranz 1853122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1854122c2948STobias Waldekranz const struct nlattr *mst_attr, 1855122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1856122c2948STobias Waldekranz { 1857122c2948STobias Waldekranz return -EOPNOTSUPP; 1858122c2948STobias Waldekranz } 1859ec7328b5STobias Waldekranz #endif 1860ec7328b5STobias Waldekranz 18611a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18621a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18631a4ba64dSPablo Neira Ayuso }; 18641a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18651a4ba64dSPablo Neira Ayuso 18661da177e4SLinus Torvalds /* br_netfilter.c */ 186734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 186834666d46SPablo Neira Ayuso int br_nf_core_init(void); 186934666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1870348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1871c0909713SStephen Hemminger #else 187234666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 187334666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18744adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1875c0909713SStephen Hemminger #endif 18761da177e4SLinus Torvalds 18771da177e4SLinus Torvalds /* br_stp.c */ 1878775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1879348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1880348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1881348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18821da177e4SLinus Torvalds 1883348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1884348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1885348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1886348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 188782dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18889e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 188914f98f25Sstephen hemminger 189014f98f25Sstephen hemminger 18911da177e4SLinus Torvalds /* br_stp_if.c */ 1892348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1893348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1894419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1895419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1896348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1897348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1898348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1899348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1900348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1901348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1902348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1903348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds /* br_stp_bpdu.c */ 19067c85fbf0SPatrick McHardy struct stp_proto; 1907348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 19087c85fbf0SPatrick McHardy struct net_device *dev); 19091da177e4SLinus Torvalds 19101da177e4SLinus Torvalds /* br_stp_timer.c */ 1911348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1912348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1913348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19141da177e4SLinus Torvalds 19151da177e4SLinus Torvalds /* br.c */ 1916e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1917da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1918da678292SMichał Mirosław #endif 19191da177e4SLinus Torvalds 192065369933SHoratiu Vultur /* br_mrp.c */ 192165369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 192265369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 192365369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 192465369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 192565369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1926df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 192765369933SHoratiu Vultur #else 192865369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 192965369933SHoratiu Vultur struct nlattr *attr, int cmd, 193065369933SHoratiu Vultur struct netlink_ext_ack *extack) 193165369933SHoratiu Vultur { 193265369933SHoratiu Vultur return -EOPNOTSUPP; 193365369933SHoratiu Vultur } 193465369933SHoratiu Vultur 193565369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 193665369933SHoratiu Vultur { 19378741e184SJason Yan return false; 193865369933SHoratiu Vultur } 193965369933SHoratiu Vultur 194065369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 194165369933SHoratiu Vultur struct net_bridge_port *p) 194265369933SHoratiu Vultur { 194365369933SHoratiu Vultur } 1944df42ef22SHoratiu Vultur 1945df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1946df42ef22SHoratiu Vultur { 1947df42ef22SHoratiu Vultur return 0; 1948df42ef22SHoratiu Vultur } 1949df42ef22SHoratiu Vultur 195065369933SHoratiu Vultur #endif 195165369933SHoratiu Vultur 19522be665c3SHenrik Bjoernlund /* br_cfm.c */ 195386a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19542be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19552be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19562be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 195786a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19585e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1959b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1960b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1961b6d0425bSHenrik Bjoernlund bool getlink); 1962b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1963b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 196486a14b79SHenrik Bjoernlund #else 19652be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19662be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19672be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19682be665c3SHenrik Bjoernlund { 19692be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19702be665c3SHenrik Bjoernlund } 19712be665c3SHenrik Bjoernlund 19722be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19732be665c3SHenrik Bjoernlund { 19742be665c3SHenrik Bjoernlund return false; 19752be665c3SHenrik Bjoernlund } 19762be665c3SHenrik Bjoernlund 197786a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 197886a14b79SHenrik Bjoernlund struct net_bridge_port *p) 197986a14b79SHenrik Bjoernlund { 198086a14b79SHenrik Bjoernlund } 19815e312fc0SHenrik Bjoernlund 19825e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19835e312fc0SHenrik Bjoernlund { 19845e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19855e312fc0SHenrik Bjoernlund } 1986e77824d8SHenrik Bjoernlund 1987b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1988b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1989b6d0425bSHenrik Bjoernlund bool getlink) 1990b6d0425bSHenrik Bjoernlund { 1991b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1992b6d0425bSHenrik Bjoernlund } 1993b6d0425bSHenrik Bjoernlund 1994b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1995b6d0425bSHenrik Bjoernlund { 1996829e050eSIvan Vecera *count = 0; 1997b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1998b6d0425bSHenrik Bjoernlund } 1999b6d0425bSHenrik Bjoernlund 2000b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 2001e77824d8SHenrik Bjoernlund { 2002829e050eSIvan Vecera *count = 0; 2003e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 2004e77824d8SHenrik Bjoernlund } 200586a14b79SHenrik Bjoernlund #endif 200686a14b79SHenrik Bjoernlund 200711dc1f36SStephen Hemminger /* br_netlink.c */ 2008149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 2009348662a1SJoe Perches int br_netlink_init(void); 2010348662a1SJoe Perches void br_netlink_fini(void); 201192899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 201292899063SNikolay Aleksandrov const struct net_bridge_port *port); 2013b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2014b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20152fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20162fd527b7SPetr Machata struct netlink_ext_ack *extack); 2017add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2018348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 201946c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2020f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2021f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2022f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2023f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2024f26b2965SNikolay Aleksandrov bool *changed, 2025f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 202611dc1f36SStephen Hemminger 20271da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20281da177e4SLinus Torvalds /* br_sysfs_if.c */ 202952cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2030348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2031348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20321da177e4SLinus Torvalds 20331da177e4SLinus Torvalds /* br_sysfs_br.c */ 2034348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2035348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds #else 20381da177e4SLinus Torvalds 20390cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20400cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20410cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20420cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20431da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20441da177e4SLinus Torvalds 20456bc506b4SIdo Schimmel /* br_switchdev.c */ 20466bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2047957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2048957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2049957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2050957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2051957e2235SVladimir Oltean bool tx_fwd_offload, 2052957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2053957e2235SVladimir Oltean 2054957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2055957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2056957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2057957e2235SVladimir Oltean 205847211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 205947211192STobias Waldekranz 2060c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2061c5381154SVladimir Oltean 206247211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 206347211192STobias Waldekranz struct sk_buff *skb); 206447211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 206547211192STobias Waldekranz struct sk_buff *skb); 20666bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20676bc506b4SIdo Schimmel struct sk_buff *skb); 20686bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20696bc506b4SIdo Schimmel const struct sk_buff *skb); 20703922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20713922285dSArkadi Sharshevsky unsigned long flags, 2072078bbb85SVladimir Oltean unsigned long mask, 2073078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20746eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20756eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2076ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2077ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2078ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2079ae039350SVladimir Oltean int type); 2080169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20818d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2082d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 208385826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2084f1c2eddfSIdo Schimmel 2085f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2086f1c2eddfSIdo Schimmel { 2087f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2088f1c2eddfSIdo Schimmel } 20896bc506b4SIdo Schimmel #else 2090957e2235SVladimir Oltean static inline int 2091957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2092957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2093957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2094957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2095957e2235SVladimir Oltean bool tx_fwd_offload, 2096957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2097957e2235SVladimir Oltean { 2098957e2235SVladimir Oltean return -EOPNOTSUPP; 2099957e2235SVladimir Oltean } 2100957e2235SVladimir Oltean 2101957e2235SVladimir Oltean static inline void 2102957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2103957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2104957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2105957e2235SVladimir Oltean { 2106957e2235SVladimir Oltean } 2107957e2235SVladimir Oltean 210847211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 210947211192STobias Waldekranz { 211047211192STobias Waldekranz return false; 211147211192STobias Waldekranz } 211247211192STobias Waldekranz 2113c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2114c5381154SVladimir Oltean { 2115c5381154SVladimir Oltean } 2116c5381154SVladimir Oltean 211747211192STobias Waldekranz static inline void 211847211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 211947211192STobias Waldekranz struct sk_buff *skb) 212047211192STobias Waldekranz { 212147211192STobias Waldekranz } 212247211192STobias Waldekranz 212347211192STobias Waldekranz static inline void 212447211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 212547211192STobias Waldekranz struct sk_buff *skb) 212647211192STobias Waldekranz { 212747211192STobias Waldekranz } 212847211192STobias Waldekranz 21296bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21306bc506b4SIdo Schimmel struct sk_buff *skb) 21316bc506b4SIdo Schimmel { 21326bc506b4SIdo Schimmel } 21336bc506b4SIdo Schimmel 21346bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21356bc506b4SIdo Schimmel const struct sk_buff *skb) 21366bc506b4SIdo Schimmel { 21376bc506b4SIdo Schimmel return true; 21386bc506b4SIdo Schimmel } 21393922285dSArkadi Sharshevsky 21403922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21413922285dSArkadi Sharshevsky unsigned long flags, 2142078bbb85SVladimir Oltean unsigned long mask, 2143078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21443922285dSArkadi Sharshevsky { 21453922285dSArkadi Sharshevsky return 0; 21463922285dSArkadi Sharshevsky } 21476b26b51bSArkadi Sharshevsky 21488d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21498d23a54fSVladimir Oltean u16 flags, bool changed, 2150169327d5SPetr Machata struct netlink_ext_ack *extack) 2151d66e4348SPetr Machata { 2152d66e4348SPetr Machata return -EOPNOTSUPP; 2153d66e4348SPetr Machata } 2154d66e4348SPetr Machata 2155d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2156d66e4348SPetr Machata { 2157d66e4348SPetr Machata return -EOPNOTSUPP; 2158d66e4348SPetr Machata } 2159d66e4348SPetr Machata 21606b26b51bSArkadi Sharshevsky static inline void 21616eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21626eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21636b26b51bSArkadi Sharshevsky { 21646b26b51bSArkadi Sharshevsky } 2165f1c2eddfSIdo Schimmel 2166ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2167ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2168ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2169ae039350SVladimir Oltean int type) 2170ae039350SVladimir Oltean { 2171ae039350SVladimir Oltean } 2172ae039350SVladimir Oltean 2173f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2174f1c2eddfSIdo Schimmel { 2175f1c2eddfSIdo Schimmel } 217685826610STobias Waldekranz 217785826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 217885826610STobias Waldekranz { 217985826610STobias Waldekranz } 218085826610STobias Waldekranz 21816bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21826bc506b4SIdo Schimmel 2183057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2184821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2185057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2186057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2187ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2188ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2189ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 21901da177e4SLinus Torvalds #endif 2191