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 }; 95cc0fdd80SLinus Lüssing #endif 96cc0fdd80SLinus Lüssing 979632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 989632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 999632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1009632233eSNikolay Aleksandrov struct net_bridge_port *port; 101613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1029632233eSNikolay Aleksandrov 1039632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1049632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1059632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1069632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1079632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1089632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1099632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1109632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1119632233eSNikolay Aleksandrov unsigned char multicast_router; 1129632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1139632233eSNikolay Aleksandrov }; 1149632233eSNikolay Aleksandrov 115d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 116d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 117d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 118d3d065c0SNikolay Aleksandrov struct net_bridge *br; 119613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 120d3d065c0SNikolay Aleksandrov 121d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 122d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 123d3d065c0SNikolay Aleksandrov 1244d5b4e84SNikolay Aleksandrov u8 multicast_querier; 125d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 126d3d065c0SNikolay Aleksandrov u8 multicast_router; 127d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 128d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 129d3d065c0SNikolay Aleksandrov #endif 130d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 133d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 134d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 135d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 136d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 137d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 139d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 140d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 141d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 142d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 143d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 144d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 145d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 146d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 147d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 148d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 149d3d065c0SNikolay Aleksandrov }; 150d3d065c0SNikolay Aleksandrov 151efa5356bSRoopa Prabhu struct br_tunnel_info { 152efa5356bSRoopa Prabhu __be64 tunnel_id; 15358e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 154efa5356bSRoopa Prabhu }; 155efa5356bSRoopa Prabhu 1569d332e69SNikolay Aleksandrov /* private vlan flags */ 1579d332e69SNikolay Aleksandrov enum { 1589d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15927973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1607b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1617b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1629d332e69SNikolay Aleksandrov }; 1639d332e69SNikolay Aleksandrov 1642594e906SNikolay Aleksandrov /** 1652594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1662594e906SNikolay Aleksandrov * 1672594e906SNikolay Aleksandrov * @vnode: rhashtable member 1682594e906SNikolay Aleksandrov * @vid: VLAN id 1692594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1709d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 171a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1726dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1732594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1742594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1752594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1762594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1772594e906SNikolay Aleksandrov * for this VLAN entry 178613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 179613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 180613d61dbSNikolay Aleksandrov * context 181ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 1822594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1832594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1842594e906SNikolay Aleksandrov * 1852594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1862594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1872594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1882594e906SNikolay Aleksandrov * the entry flags that are set. 1892594e906SNikolay Aleksandrov */ 1902594e906SNikolay Aleksandrov struct net_bridge_vlan { 1912594e906SNikolay Aleksandrov struct rhash_head vnode; 192efa5356bSRoopa Prabhu struct rhash_head tnode; 1932594e906SNikolay Aleksandrov u16 vid; 1942594e906SNikolay Aleksandrov u16 flags; 1959d332e69SNikolay Aleksandrov u16 priv_flags; 196a580c76dSNikolay Aleksandrov u8 state; 197281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 198243a2e63SVlad Yasevich union { 199243a2e63SVlad Yasevich struct net_bridge *br; 2002594e906SNikolay Aleksandrov struct net_bridge_port *port; 2012594e906SNikolay Aleksandrov }; 2022594e906SNikolay Aleksandrov union { 20325127759SReshetova, Elena refcount_t refcnt; 2042594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2052594e906SNikolay Aleksandrov }; 206efa5356bSRoopa Prabhu 207efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 208efa5356bSRoopa Prabhu 209613d61dbSNikolay Aleksandrov union { 210613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 211613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 212613d61dbSNikolay Aleksandrov }; 213613d61dbSNikolay Aleksandrov 214ec7328b5STobias Waldekranz u16 msti; 215ec7328b5STobias Waldekranz 2162594e906SNikolay Aleksandrov struct list_head vlist; 2172594e906SNikolay Aleksandrov 218243a2e63SVlad Yasevich struct rcu_head rcu; 2192594e906SNikolay Aleksandrov }; 2202594e906SNikolay Aleksandrov 2212594e906SNikolay Aleksandrov /** 2222594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2232594e906SNikolay Aleksandrov * 2242594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2252594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2262594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22777751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 228a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2292594e906SNikolay Aleksandrov * 2302594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2312594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2322594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2332594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2342594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2352594e906SNikolay Aleksandrov */ 2362594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2372594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 238efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2392594e906SNikolay Aleksandrov struct list_head vlan_list; 2406cbdceebSVlad Yasevich u16 num_vlans; 24177751ee8SNikolay Aleksandrov u16 pvid; 242a580c76dSNikolay Aleksandrov u8 pvid_state; 243243a2e63SVlad Yasevich }; 244243a2e63SVlad Yasevich 2456869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2466869c3b0SNikolay Aleksandrov enum { 2476869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24829e63fffSNikolay Aleksandrov BR_FDB_STATIC, 249e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 250ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 251b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 252d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 25331cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 254*a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 255*a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2566869c3b0SNikolay Aleksandrov }; 2576869c3b0SNikolay Aleksandrov 258eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 259eb793583SNikolay Aleksandrov mac_addr addr; 260eb793583SNikolay Aleksandrov u16 vlan_id; 261eb793583SNikolay Aleksandrov }; 262eb793583SNikolay Aleksandrov 2631214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 264eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2651da177e4SLinus Torvalds struct net_bridge_port *dst; 2661da177e4SLinus Torvalds 267eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 268eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2696869c3b0SNikolay Aleksandrov unsigned long flags; 2701214628cSNikolay Aleksandrov 2711214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2721214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2731214628cSNikolay Aleksandrov unsigned long used; 2741214628cSNikolay Aleksandrov 275b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2761da177e4SLinus Torvalds }; 2771da177e4SLinus Torvalds 2781f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 2791f78ee14SNikolay Aleksandrov unsigned long flags; 2801f78ee14SNikolay Aleksandrov unsigned long flags_mask; 2811f78ee14SNikolay Aleksandrov int port_ifindex; 2821f78ee14SNikolay Aleksandrov u16 vlan_id; 2831f78ee14SNikolay Aleksandrov }; 2841f78ee14SNikolay Aleksandrov 2859d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2869d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2873247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2888266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2899116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2909d06b6d8SElad Raz 2918b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2928b671779SNikolay Aleksandrov 2938b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2948b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 295b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2968b671779SNikolay Aleksandrov 297e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 298e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 299e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 300e12cec65SNikolay Aleksandrov }; 301e12cec65SNikolay Aleksandrov 3028b671779SNikolay Aleksandrov struct net_bridge_group_src { 3038b671779SNikolay Aleksandrov struct hlist_node node; 3048b671779SNikolay Aleksandrov 3058b671779SNikolay Aleksandrov struct br_ip addr; 3068b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3078b671779SNikolay Aleksandrov u8 flags; 308438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3098b671779SNikolay Aleksandrov struct timer_list timer; 3108b671779SNikolay Aleksandrov 3118b671779SNikolay Aleksandrov struct net_bridge *br; 312e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3138b671779SNikolay Aleksandrov struct rcu_head rcu; 3148b671779SNikolay Aleksandrov }; 3158b671779SNikolay Aleksandrov 316085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 317eb1d1641SHerbert Xu struct net_bridge_port *port; 3188ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 319085b53c8SNikolay Aleksandrov }; 320085b53c8SNikolay Aleksandrov 321085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 322085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 323085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 324206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3259d06b6d8SElad Raz unsigned char flags; 3268b671779SNikolay Aleksandrov unsigned char filter_mode; 32742c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3288f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3296ec0d0eeSNikolay Aleksandrov 3308b671779SNikolay Aleksandrov struct hlist_head src_list; 3318b671779SNikolay Aleksandrov unsigned int src_ents; 3326ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33342c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3346ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3358f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3368f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3376ec0d0eeSNikolay Aleksandrov 338085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 339e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3406ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 341eb1d1641SHerbert Xu }; 342eb1d1641SHerbert Xu 3431c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 34419e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 345eb1d1641SHerbert Xu struct net_bridge *br; 346e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3478ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 348ff0fd34eSAndrew Lunn bool host_joined; 3496ec0d0eeSNikolay Aleksandrov 3506ec0d0eeSNikolay Aleksandrov struct timer_list timer; 35119e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3526ec0d0eeSNikolay Aleksandrov 353e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3546ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 355eb1d1641SHerbert Xu }; 356eb1d1641SHerbert Xu 3571f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3581da177e4SLinus Torvalds struct net_bridge *br; 3591da177e4SLinus Torvalds struct net_device *dev; 360b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3611da177e4SLinus Torvalds struct list_head list; 3621da177e4SLinus Torvalds 3631f90c7f3SNikolay Aleksandrov unsigned long flags; 3641f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3651f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3661f90c7f3SNikolay Aleksandrov #endif 3672756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3681f90c7f3SNikolay Aleksandrov 3691da177e4SLinus Torvalds /* STP */ 3701da177e4SLinus Torvalds u8 priority; 3711da177e4SLinus Torvalds u8 state; 3721da177e4SLinus Torvalds u16 port_no; 3731da177e4SLinus Torvalds unsigned char topology_change_ack; 3741da177e4SLinus Torvalds unsigned char config_pending; 3751da177e4SLinus Torvalds port_id port_id; 3761da177e4SLinus Torvalds port_id designated_port; 3771da177e4SLinus Torvalds bridge_id designated_root; 3781da177e4SLinus Torvalds bridge_id designated_bridge; 3791da177e4SLinus Torvalds u32 path_cost; 3801da177e4SLinus Torvalds u32 designated_cost; 3810c03150eSstephen hemminger unsigned long designated_age; 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3841da177e4SLinus Torvalds struct timer_list hold_timer; 3851da177e4SLinus Torvalds struct timer_list message_age_timer; 3861da177e4SLinus Torvalds struct kobject kobj; 3871da177e4SLinus Torvalds struct rcu_head rcu; 3883982d3d2SFischer, Anna 3899632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3909632233eSNikolay Aleksandrov 391eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3929632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3939632233eSNikolay Aleksandrov 39489268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 39589268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 396eb1d1641SHerbert Xu struct hlist_head mglist; 397eb1d1641SHerbert Xu #endif 398e0f43752SSimon Arlott 399e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 400e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 401e0f43752SSimon Arlott #endif 40291d2c34aSHerbert Xu 40391d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 40491d2c34aSHerbert Xu struct netpoll *np; 40591d2c34aSHerbert Xu #endif 4066bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 407f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 408f7cf972fSTobias Waldekranz * hardware domain. 409f7cf972fSTobias Waldekranz */ 410f7cf972fSTobias Waldekranz int hwdom; 4112f5dc00fSVladimir Oltean int offload_count; 4122f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4136bc506b4SIdo Schimmel #endif 4145af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4152756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 416de179966SVivien Didelot 417de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4181da177e4SLinus Torvalds }; 4191da177e4SLinus Torvalds 420705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 421705e0deaSTyler Hicks 422e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 423f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 424e028e4b8SVlad Yasevich 425b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 426b5ed54e9Sstephen hemminger { 427716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 428b5ed54e9Sstephen hemminger } 429b5ed54e9Sstephen hemminger 4301fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 431b5ed54e9Sstephen hemminger { 43235f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 433ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 434b5ed54e9Sstephen hemminger } 435b5ed54e9Sstephen hemminger 4360baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4370baa10ffSArkadi Sharshevsky { 43835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4390baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4400baa10ffSArkadi Sharshevsky } 4410baa10ffSArkadi Sharshevsky 442ae75767eSNikolay Aleksandrov enum net_bridge_opts { 443ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 444ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4458df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4468df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4478df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 448be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 44913cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 450675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 451675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 452675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 453c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4543341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4559163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 45670e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4579c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 458f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 459ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 460ae75767eSNikolay Aleksandrov }; 461ae75767eSNikolay Aleksandrov 4621f90c7f3SNikolay Aleksandrov struct net_bridge { 4631da177e4SLinus Torvalds spinlock_t lock; 4641f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 46590c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4661da177e4SLinus Torvalds struct net_device *dev; 467ae75767eSNikolay Aleksandrov unsigned long options; 4681f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4691f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4701f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4711f90c7f3SNikolay Aleksandrov u16 default_pvid; 4721f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4731f90c7f3SNikolay Aleksandrov #endif 4741f90c7f3SNikolay Aleksandrov 475eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 47690c628ddSHenrik Bjoernlund struct list_head port_list; 47734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 478efb6de9bSBernhard Thaler union { 4794adf0af6SSimon Wunderlich struct rtable fake_rtable; 480efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 481efb6de9bSBernhard Thaler }; 4824adf0af6SSimon Wunderlich #endif 483515853ccSstephen hemminger u16 group_fwd_mask; 484f2808d22SToshiaki Makita u16 group_fwd_mask_required; 485515853ccSstephen hemminger 4861da177e4SLinus Torvalds /* STP */ 4871da177e4SLinus Torvalds bridge_id designated_root; 4881da177e4SLinus Torvalds bridge_id bridge_id; 4891f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4901f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4911f90c7f3SNikolay Aleksandrov u16 root_port; 4921da177e4SLinus Torvalds unsigned long max_age; 4931da177e4SLinus Torvalds unsigned long hello_time; 4941da177e4SLinus Torvalds unsigned long forward_delay; 4951da177e4SLinus Torvalds unsigned long ageing_time; 49634d8acd8SVivien Didelot unsigned long bridge_max_age; 4971da177e4SLinus Torvalds unsigned long bridge_hello_time; 4981da177e4SLinus Torvalds unsigned long bridge_forward_delay; 49934d8acd8SVivien Didelot unsigned long bridge_ageing_time; 50035750b0bSNikolay Aleksandrov u32 root_path_cost; 5011da177e4SLinus Torvalds 502fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5039cde0708SStephen Hemminger 5049cde0708SStephen Hemminger enum { 5059cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5069cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5079cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5089cde0708SStephen Hemminger } stp_enabled; 5099cde0708SStephen Hemminger 510d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 511d3d065c0SNikolay Aleksandrov 512eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 513d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 514eb1d1641SHerbert Xu 515eb1d1641SHerbert Xu u32 hash_max; 516eb1d1641SHerbert Xu 51735750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 518eb1d1641SHerbert Xu 51919e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 520085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 52119e3a9c9SNikolay Aleksandrov 522e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 52319e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 524eb1d1641SHerbert Xu 525e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 526eb1d1641SHerbert Xu #endif 527eb1d1641SHerbert Xu 5281da177e4SLinus Torvalds struct timer_list hello_timer; 5291da177e4SLinus Torvalds struct timer_list tcn_timer; 5301da177e4SLinus Torvalds struct timer_list topology_change_timer; 531f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 53243b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 533e028e4b8SVlad Yasevich u32 auto_cnt; 5346bc506b4SIdo Schimmel 5356bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 536f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 537f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 538f7cf972fSTobias Waldekranz */ 539f7cf972fSTobias Waldekranz int last_hwdom; 54085826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 54185826610STobias Waldekranz unsigned long busy_hwdoms; 5426bc506b4SIdo Schimmel #endif 543eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5444b8d7d4cSHoratiu Vultur 5454b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5460169b820SHoratiu Vultur struct hlist_head mrp_list; 5474b8d7d4cSHoratiu Vultur #endif 548f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 549f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 550f323aa54SHenrik Bjoernlund #endif 5511da177e4SLinus Torvalds }; 5521da177e4SLinus Torvalds 55368b7c895SHerbert Xu struct br_input_skb_cb { 55468b7c895SHerbert Xu struct net_device *brdev; 55593fdd47eSHerbert Xu 5563c171f49SPablo Neira Ayuso u16 frag_max_size; 55732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 558f12064d1SFlorian Westphal u8 igmp; 559f12064d1SFlorian Westphal u8 mrouters_only:1; 56032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 561f12064d1SFlorian Westphal u8 proxyarp_replied:1; 562f12064d1SFlorian Westphal u8 src_port_isolated:1; 56320adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 564f12064d1SFlorian Westphal u8 vlan_filtered:1; 56520adfa1aSVlad Yasevich #endif 566223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 567223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 568223fd0adSFlorian Westphal #endif 5696bc506b4SIdo Schimmel 5706bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 57147211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 57247211192STobias Waldekranz * hardware domain. 57347211192STobias Waldekranz */ 57447211192STobias Waldekranz u8 tx_fwd_offload:1; 575f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 576f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 577f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 578f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 579f7cf972fSTobias Waldekranz */ 580f7cf972fSTobias Waldekranz int src_hwdom; 58147211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 58247211192STobias Waldekranz * transmitted using the TX data plane offload. 58347211192STobias Waldekranz */ 58447211192STobias Waldekranz unsigned long fwd_hwdoms; 5856bc506b4SIdo Schimmel #endif 58668b7c895SHerbert Xu }; 58768b7c895SHerbert Xu 58868b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 58968b7c895SHerbert Xu 59032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 59132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 59232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 59332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 59432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 59532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 59628a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 59728a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 59828a16c97Sstephen hemminger 59928a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 60028a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 60128a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 60228a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 60328a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 60428a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 60528a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 60628a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 60728a16c97Sstephen hemminger 60828a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 60928a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 61028a16c97Sstephen hemminger 6111da177e4SLinus Torvalds /* called under bridge lock */ 6121da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6131da177e4SLinus Torvalds { 6141da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6151da177e4SLinus Torvalds } 6161da177e4SLinus Torvalds 6172594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6182594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6192594e906SNikolay Aleksandrov { 6202594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6212594e906SNikolay Aleksandrov } 6222594e906SNikolay Aleksandrov 6232594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6242594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6252594e906SNikolay Aleksandrov { 6262594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6272594e906SNikolay Aleksandrov } 6282594e906SNikolay Aleksandrov 6296be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6302594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6312594e906SNikolay Aleksandrov { 6322594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6332594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6342594e906SNikolay Aleksandrov return true; 6352594e906SNikolay Aleksandrov else 6362594e906SNikolay Aleksandrov return false; 6372594e906SNikolay Aleksandrov } 6382594e906SNikolay Aleksandrov 6392594e906SNikolay Aleksandrov return true; 6402594e906SNikolay Aleksandrov } 6412594e906SNikolay Aleksandrov 6425d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6435d1fcaf3SNikolay Aleksandrov { 6445d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6455d1fcaf3SNikolay Aleksandrov } 6465d1fcaf3SNikolay Aleksandrov 6478f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6485a46facbSNikolay Aleksandrov { 6498f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6508f4cc940SNikolay Aleksandrov 6518f4cc940SNikolay Aleksandrov if (!ret) 6528f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6538f4cc940SNikolay Aleksandrov 6548f4cc940SNikolay Aleksandrov return ret; 6555a46facbSNikolay Aleksandrov } 6565a46facbSNikolay Aleksandrov 6575a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6588f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6598f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6605a46facbSNikolay Aleksandrov { 6615a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6628f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6638f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6645a46facbSNikolay Aleksandrov return false; 6658f4cc940SNikolay Aleksandrov } 6665a46facbSNikolay Aleksandrov 6675a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6685a46facbSNikolay Aleksandrov * - it has range start flag 6695a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6705a46facbSNikolay Aleksandrov */ 6715a46facbSNikolay Aleksandrov if (last) { 6728f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6738f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6745a46facbSNikolay Aleksandrov return false; 6758f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6768f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6778f4cc940SNikolay Aleksandrov return false; 6788f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6798f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6808f4cc940SNikolay Aleksandrov return false; 6818f4cc940SNikolay Aleksandrov } 6828f4cc940SNikolay Aleksandrov } 6838f4cc940SNikolay Aleksandrov 6848f4cc940SNikolay Aleksandrov /* check for required range flags */ 6858f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6868f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6878f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6885a46facbSNikolay Aleksandrov return false; 6895a46facbSNikolay Aleksandrov } 6905a46facbSNikolay Aleksandrov 6915a46facbSNikolay Aleksandrov return true; 6925a46facbSNikolay Aleksandrov } 6935a46facbSNikolay Aleksandrov 6942796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6952796d846SNikolay Aleksandrov { 6962796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6972796d846SNikolay Aleksandrov 6982796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6992796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7002796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7012796d846SNikolay Aleksandrov else 7022796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7032796d846SNikolay Aleksandrov #endif 7042796d846SNikolay Aleksandrov 7052796d846SNikolay Aleksandrov return mcast_router; 7062796d846SNikolay Aleksandrov } 7072796d846SNikolay Aleksandrov 708f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 709f545923bSNikolay Aleksandrov { 710f545923bSNikolay Aleksandrov switch (cmd) { 711f545923bSNikolay Aleksandrov case RTM_SETLINK: 712f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 713f545923bSNikolay Aleksandrov case RTM_DELLINK: 714f545923bSNikolay Aleksandrov return RTM_DELVLAN; 715f545923bSNikolay Aleksandrov } 716f545923bSNikolay Aleksandrov 717f545923bSNikolay Aleksandrov return 0; 718f545923bSNikolay Aleksandrov } 719f545923bSNikolay Aleksandrov 720ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 721ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 722ae75767eSNikolay Aleksandrov { 723ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 724ae75767eSNikolay Aleksandrov } 725ae75767eSNikolay Aleksandrov 726a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 727a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 728a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 729a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 730a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 731a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 732a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 733a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 734ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 735ae75767eSNikolay Aleksandrov 7361da177e4SLinus Torvalds /* br_device.c */ 737348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 738348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 739348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 740cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 74191d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 74291d2c34aSHerbert Xu struct sk_buff *skb) 74391d2c34aSHerbert Xu { 744f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 74591d2c34aSHerbert Xu } 74691d2c34aSHerbert Xu 747a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 748348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 74991d2c34aSHerbert Xu #else 7509f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 75191d2c34aSHerbert Xu struct sk_buff *skb) 75291d2c34aSHerbert Xu { 75391d2c34aSHerbert Xu } 75491d2c34aSHerbert Xu 755a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 75691d2c34aSHerbert Xu { 75791d2c34aSHerbert Xu return 0; 75891d2c34aSHerbert Xu } 75991d2c34aSHerbert Xu 76091d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 76191d2c34aSHerbert Xu { 76291d2c34aSHerbert Xu } 763cfb478daSstephen hemminger #endif 7641da177e4SLinus Torvalds 7651da177e4SLinus Torvalds /* br_fdb.c */ 766564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 767564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 768564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 769564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 770564445fbSNikolay Aleksandrov 771348662a1SJoe Perches int br_fdb_init(void); 772348662a1SJoe Perches void br_fdb_fini(void); 773eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 774eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 7751f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 7761f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 777424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 778424bb9c9SToshiaki Makita const struct net_bridge_port *p, 779424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 780348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 781348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 782f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 783348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7841ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 785bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 786bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 787bfd0aeacSNikolay Aleksandrov __u16 vid); 788348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 789348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 790348662a1SJoe Perches unsigned long off); 791f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 792348662a1SJoe Perches const unsigned char *addr, u16 vid); 793348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 794be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 79577162022SJohn Fastabend 796348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 797ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 798ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 799edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 800edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 801edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 802348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 80387b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 80487b0984eSPetr Machata struct netlink_ext_ack *extack); 805348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 806d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 80747674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 80847674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 80947674562SRoopa Prabhu struct netlink_ext_ack *extack); 8108db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8118db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8123aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 81345a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 814161d82deSPetr Machata bool swdev_notify); 8153aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 816161d82deSPetr Machata const unsigned char *addr, u16 vid, 817161d82deSPetr Machata bool swdev_notify); 8189fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 819e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvalds /* br_forward.c */ 8228addd5e7SNikolay Aleksandrov enum br_pkt_type { 8238addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8248addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8258addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8268addd5e7SNikolay Aleksandrov }; 8270c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 828b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 82937b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8300c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 83137b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8328addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8331da177e4SLinus Torvalds 8347d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8357d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8367d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8377d850abdSNikolay Aleksandrov { 8387d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8397d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8407d850abdSNikolay Aleksandrov } 8417d850abdSNikolay Aleksandrov 8421da177e4SLinus Torvalds /* br_if.c */ 843faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 844348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 845348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 846ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 847ca752be0SDavid Ahern struct netlink_ext_ack *extack); 848348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 849804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 850348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 851c8f44affSMichał Mirosław netdev_features_t features); 852e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8532796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8542756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvalds /* br_input.c */ 8570c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8589eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8591da177e4SLinus Torvalds 86090c628ddSHenrik Bjoernlund struct br_frame_type { 86190c628ddSHenrik Bjoernlund __be16 type; 86290c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 86390c628ddSHenrik Bjoernlund struct sk_buff *skb); 86490c628ddSHenrik Bjoernlund struct hlist_node list; 86590c628ddSHenrik Bjoernlund }; 86690c628ddSHenrik Bjoernlund 86790c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 86890c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 86990c628ddSHenrik Bjoernlund 870859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 871859828c0SJiri Pirko { 8729eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 873859828c0SJiri Pirko } 874859828c0SJiri Pirko 8754d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8764d4fd361SPetr Machata { 8779eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8784d4fd361SPetr Machata } 8794d4fd361SPetr Machata 880859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 881859828c0SJiri Pirko { 882859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 883859828c0SJiri Pirko } 884859828c0SJiri Pirko 8854d4fd361SPetr Machata static inline struct net_bridge_port * 8864d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8874d4fd361SPetr Machata { 8884d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8894d4fd361SPetr Machata } 8904d4fd361SPetr Machata 8911da177e4SLinus Torvalds /* br_ioctl.c */ 892561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 893561d8352SArnd Bergmann void __user *data, int cmd); 894ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 895ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8961da177e4SLinus Torvalds 897eb1d1641SHerbert Xu /* br_multicast.c */ 898eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 899f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 900f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 901f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 902fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 903adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 904eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9051080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 906348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 907348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 908348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 909348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 910851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 911851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 912348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 913348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 914e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 915adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 916adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 917adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 918a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 919a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 920a53581d5SNikolay Aleksandrov unsigned long val); 9212796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 922ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 923ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 92462938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 925348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 926df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 927df271cd6SNikolay Aleksandrov unsigned long val); 928aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 929df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 930df271cd6SNikolay Aleksandrov unsigned long val); 931aa2ae3e7SNikolay Aleksandrov #endif 932348662a1SJoe Perches struct net_bridge_mdb_entry * 93319e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 934348662a1SJoe Perches struct net_bridge_mdb_entry * 93519e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 936348662a1SJoe Perches struct net_bridge_port_group * 937348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 938762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9398b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9408f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 94119e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 94219e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 94381f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 94481f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9451e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 946949f1e39SSatish Ashok int type); 947681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 948681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 949681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 950adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 951adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 952a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9531080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 954b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9551080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9561080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9571080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 95819e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 95919e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 96058d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 96158d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9621bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9638266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9648266a049SNikolay Aleksandrov u8 filter_mode); 9658266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9668266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 967474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 968474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 969d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 970d5a10222SNikolay Aleksandrov bool fastleave); 971613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 972613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 973613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 974613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 975613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 976613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 977613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 978613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9797b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 980f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 981f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9829dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 98385b35269SSridhar Samudrala 984dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 985dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 986c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 987c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 988c7fa1d9bSNikolay Aleksandrov int nest_attr); 989c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 99005d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 99199b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 99299b40610SNikolay Aleksandrov unsigned long val); 993f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 994f83a112bSNikolay Aleksandrov unsigned long val); 9954e51bf44SVladimir Oltean 996955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 997955062b0SNikolay Aleksandrov { 998955062b0SNikolay Aleksandrov return group->proto == 0; 999955062b0SNikolay Aleksandrov } 1000955062b0SNikolay Aleksandrov 1001cfd56754SCong Wang #define mlock_dereference(X, br) \ 1002cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1003cfd56754SCong Wang 100444ebb081SLinus Lüssing static inline struct hlist_node * 1005adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1006adc47037SNikolay Aleksandrov struct sk_buff *skb) 1007d3d065c0SNikolay Aleksandrov { 1008a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1009a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1010d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1011a3c02e76SLinus Lüssing #endif 1012d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 101344ebb081SLinus Lüssing } 101444ebb081SLinus Lüssing 101544ebb081SLinus Lüssing static inline struct net_bridge_port * 1016d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1017d3d065c0SNikolay Aleksandrov { 10189632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10199632233eSNikolay Aleksandrov 1020a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1021a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10229632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10239632233eSNikolay Aleksandrov ip6_rlist); 10249632233eSNikolay Aleksandrov else 1025a3c02e76SLinus Lüssing #endif 10269632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10279632233eSNikolay Aleksandrov ip4_rlist); 10289632233eSNikolay Aleksandrov 10299632233eSNikolay Aleksandrov if (mctx) 10309632233eSNikolay Aleksandrov return mctx->port; 10319632233eSNikolay Aleksandrov else 10329632233eSNikolay Aleksandrov return NULL; 103344ebb081SLinus Lüssing } 103444ebb081SLinus Lüssing 1035d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 103685b35269SSridhar Samudrala { 1037d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10381a3065a2SLinus Lüssing } 10391a3065a2SLinus Lüssing 1040d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10411a3065a2SLinus Lüssing { 10421a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1043d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10441a3065a2SLinus Lüssing #else 10451a3065a2SLinus Lüssing return false; 10461a3065a2SLinus Lüssing #endif 10471a3065a2SLinus Lüssing } 10481a3065a2SLinus Lüssing 10491a3065a2SLinus Lüssing static inline bool 1050adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10511a3065a2SLinus Lüssing { 1052d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10531a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10541a3065a2SLinus Lüssing return true; 10551a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10561a3065a2SLinus Lüssing if (skb) { 10571a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1058d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10591a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1060d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10611a3065a2SLinus Lüssing } else { 1062d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1063d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10641a3065a2SLinus Lüssing } 10651a3065a2SLinus Lüssing fallthrough; 10661a3065a2SLinus Lüssing default: 10671a3065a2SLinus Lüssing return false; 10681a3065a2SLinus Lüssing } 106985b35269SSridhar Samudrala } 1070b00589afSLinus Lüssing 1071cc0fdd80SLinus Lüssing static inline bool 1072adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10730888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10740888d5f3Sdaniel const bool is_ipv6) 1075b00589afSLinus Lüssing { 10760888d5f3Sdaniel bool own_querier_enabled; 10770888d5f3Sdaniel 107862938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1079adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10800888d5f3Sdaniel own_querier_enabled = false; 10810888d5f3Sdaniel else 10820888d5f3Sdaniel own_querier_enabled = true; 10830888d5f3Sdaniel } else { 10840888d5f3Sdaniel own_querier_enabled = false; 10850888d5f3Sdaniel } 10860888d5f3Sdaniel 1087cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10880888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1089cc0fdd80SLinus Lüssing } 1090cc0fdd80SLinus Lüssing 1091adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1092955062b0SNikolay Aleksandrov struct ethhdr *eth, 1093955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1094cc0fdd80SLinus Lüssing { 1095cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1096cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1097adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1098adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1099cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1100cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1101adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1102adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1103cc0fdd80SLinus Lüssing #endif 1104cc0fdd80SLinus Lüssing default: 1105955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1106cc0fdd80SLinus Lüssing } 1107b00589afSLinus Lüssing } 11081080ab95SNikolay Aleksandrov 110988d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 111088d4bd18SNikolay Aleksandrov { 111188d4bd18SNikolay Aleksandrov switch (ip->proto) { 111288d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 111388d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 111488d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 111588d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 111688d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 111788d4bd18SNikolay Aleksandrov #endif 111888d4bd18SNikolay Aleksandrov default: 111988d4bd18SNikolay Aleksandrov return false; 112088d4bd18SNikolay Aleksandrov } 112188d4bd18SNikolay Aleksandrov } 112288d4bd18SNikolay Aleksandrov 1123adc47037SNikolay Aleksandrov static inline bool 1124adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11258266a049SNikolay Aleksandrov __be16 proto) 11268266a049SNikolay Aleksandrov { 11278266a049SNikolay Aleksandrov switch (proto) { 11288266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1129adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11308266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11318266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1132adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11338266a049SNikolay Aleksandrov #endif 11348266a049SNikolay Aleksandrov default: 11358266a049SNikolay Aleksandrov return false; 11368266a049SNikolay Aleksandrov } 11378266a049SNikolay Aleksandrov } 11388266a049SNikolay Aleksandrov 11391080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11401080ab95SNikolay Aleksandrov { 11411080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11421080ab95SNikolay Aleksandrov } 114342c11ccfSNikolay Aleksandrov 1144adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 114542c11ccfSNikolay Aleksandrov { 1146adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1147adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 114842c11ccfSNikolay Aleksandrov } 11490436862eSNikolay Aleksandrov 1150adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11510436862eSNikolay Aleksandrov { 1152fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11530436862eSNikolay Aleksandrov } 11547b54aaafSNikolay Aleksandrov 11557b54aaafSNikolay Aleksandrov static inline bool 11567b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11577b54aaafSNikolay Aleksandrov { 11587b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11597b54aaafSNikolay Aleksandrov } 11607b54aaafSNikolay Aleksandrov 11617b54aaafSNikolay Aleksandrov static inline bool 11627b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11637b54aaafSNikolay Aleksandrov { 11647b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11657b54aaafSNikolay Aleksandrov } 11667b54aaafSNikolay Aleksandrov 11677b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11687b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11697b54aaafSNikolay Aleksandrov { 11707b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11717b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11727b54aaafSNikolay Aleksandrov else 11737b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11747b54aaafSNikolay Aleksandrov } 11757b54aaafSNikolay Aleksandrov 11767b54aaafSNikolay Aleksandrov static inline bool 11777b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11787b54aaafSNikolay Aleksandrov { 1179168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1180168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1181168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 11827b54aaafSNikolay Aleksandrov } 11837b54aaafSNikolay Aleksandrov 11847b54aaafSNikolay Aleksandrov static inline bool 11857b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11867b54aaafSNikolay Aleksandrov { 11877b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11887b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11897b54aaafSNikolay Aleksandrov } 11907b54aaafSNikolay Aleksandrov 11917b54aaafSNikolay Aleksandrov static inline bool 11927b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11937b54aaafSNikolay Aleksandrov { 11947b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11957b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11967b54aaafSNikolay Aleksandrov } 11974cdd0d10SNikolay Aleksandrov 11984cdd0d10SNikolay Aleksandrov static inline bool 11994cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12004cdd0d10SNikolay Aleksandrov { 12014cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12024cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12034cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12044cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12054cdd0d10SNikolay Aleksandrov } 12064cdd0d10SNikolay Aleksandrov 12074cdd0d10SNikolay Aleksandrov static inline bool 12084cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12094cdd0d10SNikolay Aleksandrov { 12104cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12114cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12124cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12134cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12144cdd0d10SNikolay Aleksandrov } 1215df271cd6SNikolay Aleksandrov 1216df271cd6SNikolay Aleksandrov static inline bool 1217dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1218dc002875SNikolay Aleksandrov { 1219dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1220dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1221dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1222dc002875SNikolay Aleksandrov #else 1223dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1224dc002875SNikolay Aleksandrov #endif 1225dc002875SNikolay Aleksandrov } 1226dc002875SNikolay Aleksandrov 1227dc002875SNikolay Aleksandrov static inline bool 1228df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1229df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1230df271cd6SNikolay Aleksandrov { 1231df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1232df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1233931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1234931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 123550725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 123650725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 123777f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 123877f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12392da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12402da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1241cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1242cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1243d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1244d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 124542521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 124642521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1247941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1248941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 124962938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1250a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1251dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1252dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1253df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1254df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1255df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1256df271cd6SNikolay Aleksandrov #endif 1257df271cd6SNikolay Aleksandrov true; 1258df271cd6SNikolay Aleksandrov } 1259cb486ce9SNikolay Aleksandrov 1260cb486ce9SNikolay Aleksandrov static inline bool 1261cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1262cb486ce9SNikolay Aleksandrov { 1263cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1264cb486ce9SNikolay Aleksandrov 1265cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1266cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1267cb486ce9SNikolay Aleksandrov 1268cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1269cb486ce9SNikolay Aleksandrov } 1270eb1d1641SHerbert Xu #else 1271f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1272f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1273f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 127406499098SVlad Yasevich struct sk_buff *skb, 127506499098SVlad Yasevich u16 vid) 1276eb1d1641SHerbert Xu { 1277eb1d1641SHerbert Xu return 0; 1278eb1d1641SHerbert Xu } 1279eb1d1641SHerbert Xu 1280adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1281fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1282eb1d1641SHerbert Xu { 1283eb1d1641SHerbert Xu return NULL; 1284eb1d1641SHerbert Xu } 1285eb1d1641SHerbert Xu 12861080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1287eb1d1641SHerbert Xu { 12881080ab95SNikolay Aleksandrov return 0; 1289eb1d1641SHerbert Xu } 1290eb1d1641SHerbert Xu 1291eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1292eb1d1641SHerbert Xu { 1293eb1d1641SHerbert Xu } 1294eb1d1641SHerbert Xu 1295eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1296eb1d1641SHerbert Xu { 1297eb1d1641SHerbert Xu } 1298eb1d1641SHerbert Xu 1299eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1300eb1d1641SHerbert Xu { 1301eb1d1641SHerbert Xu } 1302eb1d1641SHerbert Xu 1303eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1304eb1d1641SHerbert Xu { 1305eb1d1641SHerbert Xu } 1306eb1d1641SHerbert Xu 1307851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1308851d0a73SJoseph Huang { 1309851d0a73SJoseph Huang } 1310851d0a73SJoseph Huang 1311851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1312851d0a73SJoseph Huang { 1313851d0a73SJoseph Huang } 1314851d0a73SJoseph Huang 1315eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1316eb1d1641SHerbert Xu { 1317eb1d1641SHerbert Xu } 1318eb1d1641SHerbert Xu 1319eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1320eb1d1641SHerbert Xu { 1321eb1d1641SHerbert Xu } 13225cb5e947SHerbert Xu 1323a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1324a7ce45a7SNikolay Aleksandrov { 1325a7ce45a7SNikolay Aleksandrov } 1326a7ce45a7SNikolay Aleksandrov 132737b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 132837b090e6SNikolay Aleksandrov struct sk_buff *skb, 1329adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 133037b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13315cb5e947SHerbert Xu { 13325cb5e947SHerbert Xu } 13335cb5e947SHerbert Xu 1334adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1335bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1336eb1d1641SHerbert Xu { 133703aaa9e2SGustavo A. R. Silva return false; 1338eb1d1641SHerbert Xu } 133937b090e6SNikolay Aleksandrov 1340adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1341c43fd36fSVladimir Oltean struct ethhdr *eth, 1342c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1343b00589afSLinus Lüssing { 1344b00589afSLinus Lüssing return false; 1345b00589afSLinus Lüssing } 134637b090e6SNikolay Aleksandrov 1347fdb184d1SRami Rosen static inline void br_mdb_init(void) 1348fdb184d1SRami Rosen { 1349fdb184d1SRami Rosen } 135037b090e6SNikolay Aleksandrov 1351fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1352fdb184d1SRami Rosen { 1353fdb184d1SRami Rosen } 13541080ab95SNikolay Aleksandrov 135519e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 135619e3a9c9SNikolay Aleksandrov { 135719e3a9c9SNikolay Aleksandrov return 0; 135819e3a9c9SNikolay Aleksandrov } 135919e3a9c9SNikolay Aleksandrov 136019e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 136119e3a9c9SNikolay Aleksandrov { 136219e3a9c9SNikolay Aleksandrov } 136319e3a9c9SNikolay Aleksandrov 13641080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13651080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1366a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1367a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13681080ab95SNikolay Aleksandrov { 13691080ab95SNikolay Aleksandrov } 13701080ab95SNikolay Aleksandrov 13711080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13721080ab95SNikolay Aleksandrov { 13731080ab95SNikolay Aleksandrov return 0; 13741080ab95SNikolay Aleksandrov } 13751080ab95SNikolay Aleksandrov 1376b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1377b6fe0440SIdo Schimmel { 1378b6fe0440SIdo Schimmel } 1379b6fe0440SIdo Schimmel 13801080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13811080ab95SNikolay Aleksandrov { 13821080ab95SNikolay Aleksandrov return 0; 13831080ab95SNikolay Aleksandrov } 1384613d61dbSNikolay Aleksandrov 1385613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1386613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1387613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1388613d61dbSNikolay Aleksandrov { 1389613d61dbSNikolay Aleksandrov } 1390613d61dbSNikolay Aleksandrov 1391613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1392613d61dbSNikolay Aleksandrov { 1393613d61dbSNikolay Aleksandrov } 1394613d61dbSNikolay Aleksandrov 1395613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1396613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1397613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1398613d61dbSNikolay Aleksandrov { 1399613d61dbSNikolay Aleksandrov } 1400613d61dbSNikolay Aleksandrov 1401613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1402613d61dbSNikolay Aleksandrov { 1403613d61dbSNikolay Aleksandrov } 14047b54aaafSNikolay Aleksandrov 14057b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14067b54aaafSNikolay Aleksandrov bool on) 14077b54aaafSNikolay Aleksandrov { 14087b54aaafSNikolay Aleksandrov } 1409f4b7002aSNikolay Aleksandrov 1410f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1411f4b7002aSNikolay Aleksandrov bool on, 1412f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1413f4b7002aSNikolay Aleksandrov { 1414f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1415f4b7002aSNikolay Aleksandrov } 14169dee572cSNikolay Aleksandrov 14179dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14189dee572cSNikolay Aleksandrov bool on) 14199dee572cSNikolay Aleksandrov { 14209dee572cSNikolay Aleksandrov return false; 14219dee572cSNikolay Aleksandrov } 14224e51bf44SVladimir Oltean 1423df271cd6SNikolay Aleksandrov static inline bool 1424df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1425df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1426df271cd6SNikolay Aleksandrov { 1427df271cd6SNikolay Aleksandrov return true; 1428df271cd6SNikolay Aleksandrov } 142985b35269SSridhar Samudrala #endif 1430eb1d1641SHerbert Xu 1431243a2e63SVlad Yasevich /* br_vlan.c */ 1432243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 143377751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 143477751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1435f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1436f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 143777751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 143885f46c6bSVlad Yasevich const struct sk_buff *skb); 1439e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1440348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 144111538d03SRoopa Prabhu const struct net_bridge_port *port, 14422594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 144378851988SVlad Yasevich struct sk_buff *skb); 1444f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1445169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1446348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1447348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14482594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1449204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14509e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14519e781401SVladimir Oltean struct netlink_ext_ack *extack); 1452dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1453dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14549e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14559e781401SVladimir Oltean struct netlink_ext_ack *extack); 14566dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14579163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14585be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14599e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14609e781401SVladimir Oltean struct netlink_ext_ack *extack); 1461169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1462169327d5SPetr Machata struct netlink_ext_ack *extack); 1463f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1464169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1465348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1466348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1467169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14682594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1469a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1470281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14719c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1472091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14739c0ec2e7SMike Manning void *ptr); 14748dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14758dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1476cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1477cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1478cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1479cf5bddb9SNikolay Aleksandrov int cmd); 1480a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1481a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1482a37b85c9SVlad Yasevich 1483bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1484bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1485bcf2766bSFelix Fietkau struct net_device_path *path); 1486bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1487bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1488bcf2766bSFelix Fietkau struct net_device_path *path); 1489bcf2766bSFelix Fietkau 14902594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1491a37b85c9SVlad Yasevich const struct net_bridge *br) 1492a37b85c9SVlad Yasevich { 1493907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1494a37b85c9SVlad Yasevich } 1495a37b85c9SVlad Yasevich 14962594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1497a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1498a37b85c9SVlad Yasevich { 1499907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1500907b1e6eSNikolay Aleksandrov } 1501907b1e6eSNikolay Aleksandrov 1502907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1503907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1504907b1e6eSNikolay Aleksandrov { 1505907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1506907b1e6eSNikolay Aleksandrov } 1507907b1e6eSNikolay Aleksandrov 1508907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1509907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1510907b1e6eSNikolay Aleksandrov { 1511907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1512a37b85c9SVlad Yasevich } 1513a37b85c9SVlad Yasevich 1514a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1515a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1516a37b85c9SVlad Yasevich */ 1517a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1518a37b85c9SVlad Yasevich { 1519a37b85c9SVlad Yasevich int err = 0; 1520a37b85c9SVlad Yasevich 15212594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15225978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15232594e906SNikolay Aleksandrov } else { 1524a37b85c9SVlad Yasevich *vid = 0; 1525a37b85c9SVlad Yasevich err = -EINVAL; 1526a37b85c9SVlad Yasevich } 1527a37b85c9SVlad Yasevich 1528a37b85c9SVlad Yasevich return err; 1529a37b85c9SVlad Yasevich } 153078851988SVlad Yasevich 153177751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 153278851988SVlad Yasevich { 153377751ee8SNikolay Aleksandrov if (!vg) 15345be5a2dfSVlad Yasevich return 0; 15355be5a2dfSVlad Yasevich 153678851988SVlad Yasevich smp_rmb(); 153777751ee8SNikolay Aleksandrov return vg->pvid; 153878851988SVlad Yasevich } 153978851988SVlad Yasevich 15408dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15418dcea187SNikolay Aleksandrov { 15428dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15438dcea187SNikolay Aleksandrov } 1544243a2e63SVlad Yasevich #else 154577751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 154677751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15472594e906SNikolay Aleksandrov struct sk_buff *skb, 1548f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1549f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1550f4b7002aSNikolay Aleksandrov 15512594e906SNikolay Aleksandrov { 1552f4b7002aSNikolay Aleksandrov *vlan = NULL; 15532594e906SNikolay Aleksandrov return true; 15542594e906SNikolay Aleksandrov } 15552594e906SNikolay Aleksandrov 15562594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 155785f46c6bSVlad Yasevich const struct sk_buff *skb) 155885f46c6bSVlad Yasevich { 155985f46c6bSVlad Yasevich return true; 156085f46c6bSVlad Yasevich } 156185f46c6bSVlad Yasevich 1562e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1563e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1564e0d7968aSToshiaki Makita { 1565e0d7968aSToshiaki Makita return true; 1566e0d7968aSToshiaki Makita } 1567e0d7968aSToshiaki Makita 156878851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 156911538d03SRoopa Prabhu const struct net_bridge_port *port, 15702594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 157178851988SVlad Yasevich struct sk_buff *skb) 157278851988SVlad Yasevich { 157378851988SVlad Yasevich return skb; 157478851988SVlad Yasevich } 157578851988SVlad Yasevich 1576f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1577169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1578243a2e63SVlad Yasevich { 1579f418af63SNikolay Aleksandrov *changed = false; 1580243a2e63SVlad Yasevich return -EOPNOTSUPP; 1581243a2e63SVlad Yasevich } 1582243a2e63SVlad Yasevich 1583243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1584243a2e63SVlad Yasevich { 1585243a2e63SVlad Yasevich return -EOPNOTSUPP; 1586243a2e63SVlad Yasevich } 1587243a2e63SVlad Yasevich 1588243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1589243a2e63SVlad Yasevich { 1590243a2e63SVlad Yasevich } 1591243a2e63SVlad Yasevich 1592204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1593204177f3SToshiaki Makita { 1594204177f3SToshiaki Makita } 1595204177f3SToshiaki Makita 15965be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15978580e211SToshiaki Makita { 15985be5a2dfSVlad Yasevich return 0; 15998580e211SToshiaki Makita } 16008580e211SToshiaki Makita 1601f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1602169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1603243a2e63SVlad Yasevich { 1604f418af63SNikolay Aleksandrov *changed = false; 1605243a2e63SVlad Yasevich return -EOPNOTSUPP; 1606243a2e63SVlad Yasevich } 1607243a2e63SVlad Yasevich 1608243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1609243a2e63SVlad Yasevich { 1610243a2e63SVlad Yasevich return -EOPNOTSUPP; 1611243a2e63SVlad Yasevich } 1612243a2e63SVlad Yasevich 1613243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1614243a2e63SVlad Yasevich { 1615243a2e63SVlad Yasevich } 1616243a2e63SVlad Yasevich 16172594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16182594e906SNikolay Aleksandrov u16 vid) 1619a37b85c9SVlad Yasevich { 1620a37b85c9SVlad Yasevich return NULL; 1621a37b85c9SVlad Yasevich } 1622bc9a25d2SVlad Yasevich 1623169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1624169327d5SPetr Machata struct netlink_ext_ack *extack) 16255be5a2dfSVlad Yasevich { 16265be5a2dfSVlad Yasevich return 0; 16275be5a2dfSVlad Yasevich } 16285be5a2dfSVlad Yasevich 162978851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1630a37b85c9SVlad Yasevich { 1631a37b85c9SVlad Yasevich return 0; 1632a37b85c9SVlad Yasevich } 16332594e906SNikolay Aleksandrov 163477751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 163578851988SVlad Yasevich { 16363df6bf45SVlad Yasevich return 0; 163778851988SVlad Yasevich } 16382796d0c6SVlad Yasevich 16397a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1640c97f47e3SVladimir Oltean unsigned long val, 1641c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1642a7854037SNikolay Aleksandrov { 1643a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1644a7854037SNikolay Aleksandrov } 16452594e906SNikolay Aleksandrov 16462594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16472594e906SNikolay Aleksandrov u32 filter_mask) 16482594e906SNikolay Aleksandrov { 16492594e906SNikolay Aleksandrov return 0; 16502594e906SNikolay Aleksandrov } 16512594e906SNikolay Aleksandrov 1652bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1653bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1654bcf2766bSFelix Fietkau struct net_device_path *path) 1655bcf2766bSFelix Fietkau { 1656bcf2766bSFelix Fietkau } 1657bcf2766bSFelix Fietkau 1658bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1659bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1660bcf2766bSFelix Fietkau struct net_device_path *path) 1661bcf2766bSFelix Fietkau { 1662bcf2766bSFelix Fietkau return 0; 1663bcf2766bSFelix Fietkau } 1664bcf2766bSFelix Fietkau 16652594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16662594e906SNikolay Aleksandrov const struct net_bridge *br) 16672594e906SNikolay Aleksandrov { 16682594e906SNikolay Aleksandrov return NULL; 16692594e906SNikolay Aleksandrov } 16702594e906SNikolay Aleksandrov 16712594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16722594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16732594e906SNikolay Aleksandrov { 16742594e906SNikolay Aleksandrov return NULL; 16752594e906SNikolay Aleksandrov } 1676907b1e6eSNikolay Aleksandrov 1677907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1678907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1679907b1e6eSNikolay Aleksandrov { 1680907b1e6eSNikolay Aleksandrov return NULL; 1681907b1e6eSNikolay Aleksandrov } 1682907b1e6eSNikolay Aleksandrov 1683907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1684907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1685907b1e6eSNikolay Aleksandrov { 1686907b1e6eSNikolay Aleksandrov return NULL; 1687907b1e6eSNikolay Aleksandrov } 1688a60c0903SNikolay Aleksandrov 1689a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1690281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1691a60c0903SNikolay Aleksandrov { 1692a60c0903SNikolay Aleksandrov } 16939c0ec2e7SMike Manning 16949c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16959c0ec2e7SMike Manning unsigned long event) 16969c0ec2e7SMike Manning { 16979c0ec2e7SMike Manning } 16989c0ec2e7SMike Manning 1699091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17009c0ec2e7SMike Manning unsigned long event, void *ptr) 17019c0ec2e7SMike Manning { 1702091adf9bSNikolay Aleksandrov return 0; 17039c0ec2e7SMike Manning } 17048dcea187SNikolay Aleksandrov 17058dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17068dcea187SNikolay Aleksandrov { 17078dcea187SNikolay Aleksandrov } 17088dcea187SNikolay Aleksandrov 17098dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17108dcea187SNikolay Aleksandrov { 17118dcea187SNikolay Aleksandrov } 1712cf5bddb9SNikolay Aleksandrov 1713cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1714cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1715cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1716cf5bddb9SNikolay Aleksandrov int cmd) 1717cf5bddb9SNikolay Aleksandrov { 1718cf5bddb9SNikolay Aleksandrov } 1719528ae84aSNikolay Aleksandrov 1720528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1721528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1722528ae84aSNikolay Aleksandrov { 1723528ae84aSNikolay Aleksandrov return true; 1724528ae84aSNikolay Aleksandrov } 17254e51bf44SVladimir Oltean 1726c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1727c5f6e5ebSVladimir Oltean { 1728c5f6e5ebSVladimir Oltean return 0; 1729c5f6e5ebSVladimir Oltean } 1730c5f6e5ebSVladimir Oltean 1731243a2e63SVlad Yasevich #endif 1732243a2e63SVlad Yasevich 17337a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17347a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 173599f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 173699f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17377a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17387a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1739a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1740a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1741a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1742a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1743a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1744a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 174547ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 174647ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 174747ecd2dbSNikolay Aleksandrov int cmd, 174847ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1749743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1750743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1751743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1752743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1753a580c76dSNikolay Aleksandrov 1754a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1755a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1756a580c76dSNikolay Aleksandrov { 1757a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1758a580c76dSNikolay Aleksandrov } 1759a580c76dSNikolay Aleksandrov 1760a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1761a580c76dSNikolay Aleksandrov { 1762a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1763a580c76dSNikolay Aleksandrov } 1764a580c76dSNikolay Aleksandrov 1765a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1766a580c76dSNikolay Aleksandrov { 1767a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1768a580c76dSNikolay Aleksandrov } 1769a580c76dSNikolay Aleksandrov 1770a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1771a580c76dSNikolay Aleksandrov u8 state) 1772a580c76dSNikolay Aleksandrov { 1773a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1774a580c76dSNikolay Aleksandrov } 1775a580c76dSNikolay Aleksandrov 1776a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1777a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1778a580c76dSNikolay Aleksandrov { 1779a580c76dSNikolay Aleksandrov switch (state) { 1780a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1781a580c76dSNikolay Aleksandrov return learn_allow; 1782a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1783a580c76dSNikolay Aleksandrov return true; 1784a580c76dSNikolay Aleksandrov default: 1785a580c76dSNikolay Aleksandrov return false; 1786a580c76dSNikolay Aleksandrov } 1787a580c76dSNikolay Aleksandrov } 17887a53e718SNikolay Aleksandrov #endif 17897a53e718SNikolay Aleksandrov 1790ec7328b5STobias Waldekranz /* br_mst.c */ 1791ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1792ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1793ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1794ec7328b5STobias Waldekranz { 1795ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1796ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1797ec7328b5STobias Waldekranz } 1798ec7328b5STobias Waldekranz 1799ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1800ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18018c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1802ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1803ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1804ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1805122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1806122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1807122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1808122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1809122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1810ec7328b5STobias Waldekranz #else 1811ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1812ec7328b5STobias Waldekranz { 1813ec7328b5STobias Waldekranz return false; 1814ec7328b5STobias Waldekranz } 1815ec7328b5STobias Waldekranz 1816ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1817ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1818ec7328b5STobias Waldekranz { 1819ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1820ec7328b5STobias Waldekranz } 1821ec7328b5STobias Waldekranz 1822ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1823ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1824ec7328b5STobias Waldekranz { 1825ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1826ec7328b5STobias Waldekranz } 1827122c2948STobias Waldekranz 1828122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1829122c2948STobias Waldekranz { 1830122c2948STobias Waldekranz return 0; 1831122c2948STobias Waldekranz } 1832122c2948STobias Waldekranz 1833122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1834122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1835122c2948STobias Waldekranz { 1836122c2948STobias Waldekranz return -EOPNOTSUPP; 1837122c2948STobias Waldekranz } 1838122c2948STobias Waldekranz 1839122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1840122c2948STobias Waldekranz const struct nlattr *mst_attr, 1841122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1842122c2948STobias Waldekranz { 1843122c2948STobias Waldekranz return -EOPNOTSUPP; 1844122c2948STobias Waldekranz } 1845ec7328b5STobias Waldekranz #endif 1846ec7328b5STobias Waldekranz 18471a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18481a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18491a4ba64dSPablo Neira Ayuso }; 18501a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18511a4ba64dSPablo Neira Ayuso 18521da177e4SLinus Torvalds /* br_netfilter.c */ 185334666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 185434666d46SPablo Neira Ayuso int br_nf_core_init(void); 185534666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1856348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1857c0909713SStephen Hemminger #else 185834666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 185934666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18604adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1861c0909713SStephen Hemminger #endif 18621da177e4SLinus Torvalds 18631da177e4SLinus Torvalds /* br_stp.c */ 1864775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1865348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1866348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1867348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18681da177e4SLinus Torvalds 1869348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1870348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1871348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1872348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 187382dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18749e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 187514f98f25Sstephen hemminger 187614f98f25Sstephen hemminger 18771da177e4SLinus Torvalds /* br_stp_if.c */ 1878348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1879348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1880419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1881419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1882348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1883348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1884348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1885348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1886348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1887348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1888348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1889348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18927c85fbf0SPatrick McHardy struct stp_proto; 1893348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18947c85fbf0SPatrick McHardy struct net_device *dev); 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds /* br_stp_timer.c */ 1897348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1898348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1899348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvalds /* br.c */ 1902e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1903da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1904da678292SMichał Mirosław #endif 19051da177e4SLinus Torvalds 190665369933SHoratiu Vultur /* br_mrp.c */ 190765369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 190865369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 190965369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 191065369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 191165369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1912df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 191365369933SHoratiu Vultur #else 191465369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 191565369933SHoratiu Vultur struct nlattr *attr, int cmd, 191665369933SHoratiu Vultur struct netlink_ext_ack *extack) 191765369933SHoratiu Vultur { 191865369933SHoratiu Vultur return -EOPNOTSUPP; 191965369933SHoratiu Vultur } 192065369933SHoratiu Vultur 192165369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 192265369933SHoratiu Vultur { 19238741e184SJason Yan return false; 192465369933SHoratiu Vultur } 192565369933SHoratiu Vultur 192665369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 192765369933SHoratiu Vultur struct net_bridge_port *p) 192865369933SHoratiu Vultur { 192965369933SHoratiu Vultur } 1930df42ef22SHoratiu Vultur 1931df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1932df42ef22SHoratiu Vultur { 1933df42ef22SHoratiu Vultur return 0; 1934df42ef22SHoratiu Vultur } 1935df42ef22SHoratiu Vultur 193665369933SHoratiu Vultur #endif 193765369933SHoratiu Vultur 19382be665c3SHenrik Bjoernlund /* br_cfm.c */ 193986a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19402be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19412be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19422be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 194386a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19445e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1945b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1946b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1947b6d0425bSHenrik Bjoernlund bool getlink); 1948b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1949b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 195086a14b79SHenrik Bjoernlund #else 19512be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19522be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19532be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19542be665c3SHenrik Bjoernlund { 19552be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19562be665c3SHenrik Bjoernlund } 19572be665c3SHenrik Bjoernlund 19582be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19592be665c3SHenrik Bjoernlund { 19602be665c3SHenrik Bjoernlund return false; 19612be665c3SHenrik Bjoernlund } 19622be665c3SHenrik Bjoernlund 196386a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 196486a14b79SHenrik Bjoernlund struct net_bridge_port *p) 196586a14b79SHenrik Bjoernlund { 196686a14b79SHenrik Bjoernlund } 19675e312fc0SHenrik Bjoernlund 19685e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19695e312fc0SHenrik Bjoernlund { 19705e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19715e312fc0SHenrik Bjoernlund } 1972e77824d8SHenrik Bjoernlund 1973b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1974b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1975b6d0425bSHenrik Bjoernlund bool getlink) 1976b6d0425bSHenrik Bjoernlund { 1977b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1978b6d0425bSHenrik Bjoernlund } 1979b6d0425bSHenrik Bjoernlund 1980b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1981b6d0425bSHenrik Bjoernlund { 1982829e050eSIvan Vecera *count = 0; 1983b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1984b6d0425bSHenrik Bjoernlund } 1985b6d0425bSHenrik Bjoernlund 1986b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1987e77824d8SHenrik Bjoernlund { 1988829e050eSIvan Vecera *count = 0; 1989e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1990e77824d8SHenrik Bjoernlund } 199186a14b79SHenrik Bjoernlund #endif 199286a14b79SHenrik Bjoernlund 199311dc1f36SStephen Hemminger /* br_netlink.c */ 1994149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1995348662a1SJoe Perches int br_netlink_init(void); 1996348662a1SJoe Perches void br_netlink_fini(void); 199792899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 199892899063SNikolay Aleksandrov const struct net_bridge_port *port); 1999b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2000b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20012fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20022fd527b7SPetr Machata struct netlink_ext_ack *extack); 2003add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2004348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 200546c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2006f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2007f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2008f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2009f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2010f26b2965SNikolay Aleksandrov bool *changed, 2011f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 201211dc1f36SStephen Hemminger 20131da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20141da177e4SLinus Torvalds /* br_sysfs_if.c */ 201552cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2016348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2017348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20181da177e4SLinus Torvalds 20191da177e4SLinus Torvalds /* br_sysfs_br.c */ 2020348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2021348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20221da177e4SLinus Torvalds 20231da177e4SLinus Torvalds #else 20241da177e4SLinus Torvalds 20250cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20260cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20270cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20280cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20291da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20301da177e4SLinus Torvalds 20316bc506b4SIdo Schimmel /* br_switchdev.c */ 20326bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2033957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2034957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2035957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2036957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2037957e2235SVladimir Oltean bool tx_fwd_offload, 2038957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2039957e2235SVladimir Oltean 2040957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2041957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2042957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2043957e2235SVladimir Oltean 204447211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 204547211192STobias Waldekranz 2046c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2047c5381154SVladimir Oltean 204847211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 204947211192STobias Waldekranz struct sk_buff *skb); 205047211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 205147211192STobias Waldekranz struct sk_buff *skb); 20526bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20536bc506b4SIdo Schimmel struct sk_buff *skb); 20546bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20556bc506b4SIdo Schimmel const struct sk_buff *skb); 20563922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20573922285dSArkadi Sharshevsky unsigned long flags, 2058078bbb85SVladimir Oltean unsigned long mask, 2059078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20606eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20616eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2062ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2063ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2064ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2065ae039350SVladimir Oltean int type); 2066169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20678d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2068d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 206985826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2070f1c2eddfSIdo Schimmel 2071f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2072f1c2eddfSIdo Schimmel { 2073f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2074f1c2eddfSIdo Schimmel } 20756bc506b4SIdo Schimmel #else 2076957e2235SVladimir Oltean static inline int 2077957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2078957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2079957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2080957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2081957e2235SVladimir Oltean bool tx_fwd_offload, 2082957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2083957e2235SVladimir Oltean { 2084957e2235SVladimir Oltean return -EOPNOTSUPP; 2085957e2235SVladimir Oltean } 2086957e2235SVladimir Oltean 2087957e2235SVladimir Oltean static inline void 2088957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2089957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2090957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2091957e2235SVladimir Oltean { 2092957e2235SVladimir Oltean } 2093957e2235SVladimir Oltean 209447211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 209547211192STobias Waldekranz { 209647211192STobias Waldekranz return false; 209747211192STobias Waldekranz } 209847211192STobias Waldekranz 2099c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2100c5381154SVladimir Oltean { 2101c5381154SVladimir Oltean } 2102c5381154SVladimir Oltean 210347211192STobias Waldekranz static inline void 210447211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 210547211192STobias Waldekranz struct sk_buff *skb) 210647211192STobias Waldekranz { 210747211192STobias Waldekranz } 210847211192STobias Waldekranz 210947211192STobias Waldekranz static inline void 211047211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 211147211192STobias Waldekranz struct sk_buff *skb) 211247211192STobias Waldekranz { 211347211192STobias Waldekranz } 211447211192STobias Waldekranz 21156bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21166bc506b4SIdo Schimmel struct sk_buff *skb) 21176bc506b4SIdo Schimmel { 21186bc506b4SIdo Schimmel } 21196bc506b4SIdo Schimmel 21206bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21216bc506b4SIdo Schimmel const struct sk_buff *skb) 21226bc506b4SIdo Schimmel { 21236bc506b4SIdo Schimmel return true; 21246bc506b4SIdo Schimmel } 21253922285dSArkadi Sharshevsky 21263922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21273922285dSArkadi Sharshevsky unsigned long flags, 2128078bbb85SVladimir Oltean unsigned long mask, 2129078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21303922285dSArkadi Sharshevsky { 21313922285dSArkadi Sharshevsky return 0; 21323922285dSArkadi Sharshevsky } 21336b26b51bSArkadi Sharshevsky 21348d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21358d23a54fSVladimir Oltean u16 flags, bool changed, 2136169327d5SPetr Machata struct netlink_ext_ack *extack) 2137d66e4348SPetr Machata { 2138d66e4348SPetr Machata return -EOPNOTSUPP; 2139d66e4348SPetr Machata } 2140d66e4348SPetr Machata 2141d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2142d66e4348SPetr Machata { 2143d66e4348SPetr Machata return -EOPNOTSUPP; 2144d66e4348SPetr Machata } 2145d66e4348SPetr Machata 21466b26b51bSArkadi Sharshevsky static inline void 21476eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21486eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21496b26b51bSArkadi Sharshevsky { 21506b26b51bSArkadi Sharshevsky } 2151f1c2eddfSIdo Schimmel 2152ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2153ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2154ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2155ae039350SVladimir Oltean int type) 2156ae039350SVladimir Oltean { 2157ae039350SVladimir Oltean } 2158ae039350SVladimir Oltean 2159f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2160f1c2eddfSIdo Schimmel { 2161f1c2eddfSIdo Schimmel } 216285826610STobias Waldekranz 216385826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 216485826610STobias Waldekranz { 216585826610STobias Waldekranz } 216685826610STobias Waldekranz 21676bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21686bc506b4SIdo Schimmel 2169057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2170821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2171057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2172057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2173ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2174ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2175ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 21761da177e4SLinus Torvalds #endif 2177