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, 25431cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2556869c3b0SNikolay Aleksandrov }; 2566869c3b0SNikolay Aleksandrov 257eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 258eb793583SNikolay Aleksandrov mac_addr addr; 259eb793583SNikolay Aleksandrov u16 vlan_id; 260eb793583SNikolay Aleksandrov }; 261eb793583SNikolay Aleksandrov 2621214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 263eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2641da177e4SLinus Torvalds struct net_bridge_port *dst; 2651da177e4SLinus Torvalds 266eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 267eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2686869c3b0SNikolay Aleksandrov unsigned long flags; 2691214628cSNikolay Aleksandrov 2701214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2711214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2721214628cSNikolay Aleksandrov unsigned long used; 2731214628cSNikolay Aleksandrov 274b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2751da177e4SLinus Torvalds }; 2761da177e4SLinus Torvalds 277*1f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 278*1f78ee14SNikolay Aleksandrov unsigned long flags; 279*1f78ee14SNikolay Aleksandrov unsigned long flags_mask; 280*1f78ee14SNikolay Aleksandrov int port_ifindex; 281*1f78ee14SNikolay Aleksandrov u16 vlan_id; 282*1f78ee14SNikolay Aleksandrov }; 283*1f78ee14SNikolay Aleksandrov 2849d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2859d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2863247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2878266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2889116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2899d06b6d8SElad Raz 2908b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2918b671779SNikolay Aleksandrov 2928b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2938b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 294b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2958b671779SNikolay Aleksandrov 296e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 297e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 298e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 299e12cec65SNikolay Aleksandrov }; 300e12cec65SNikolay Aleksandrov 3018b671779SNikolay Aleksandrov struct net_bridge_group_src { 3028b671779SNikolay Aleksandrov struct hlist_node node; 3038b671779SNikolay Aleksandrov 3048b671779SNikolay Aleksandrov struct br_ip addr; 3058b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3068b671779SNikolay Aleksandrov u8 flags; 307438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3088b671779SNikolay Aleksandrov struct timer_list timer; 3098b671779SNikolay Aleksandrov 3108b671779SNikolay Aleksandrov struct net_bridge *br; 311e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3128b671779SNikolay Aleksandrov struct rcu_head rcu; 3138b671779SNikolay Aleksandrov }; 3148b671779SNikolay Aleksandrov 315085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 316eb1d1641SHerbert Xu struct net_bridge_port *port; 3178ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 318085b53c8SNikolay Aleksandrov }; 319085b53c8SNikolay Aleksandrov 320085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 321085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 322085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 323206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3249d06b6d8SElad Raz unsigned char flags; 3258b671779SNikolay Aleksandrov unsigned char filter_mode; 32642c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3278f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3286ec0d0eeSNikolay Aleksandrov 3298b671779SNikolay Aleksandrov struct hlist_head src_list; 3308b671779SNikolay Aleksandrov unsigned int src_ents; 3316ec0d0eeSNikolay Aleksandrov struct timer_list timer; 33242c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3336ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3348f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3358f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3366ec0d0eeSNikolay Aleksandrov 337085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 338e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3396ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 340eb1d1641SHerbert Xu }; 341eb1d1641SHerbert Xu 3421c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 34319e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 344eb1d1641SHerbert Xu struct net_bridge *br; 345e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3468ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 347ff0fd34eSAndrew Lunn bool host_joined; 3486ec0d0eeSNikolay Aleksandrov 3496ec0d0eeSNikolay Aleksandrov struct timer_list timer; 35019e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3516ec0d0eeSNikolay Aleksandrov 352e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3536ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 354eb1d1641SHerbert Xu }; 355eb1d1641SHerbert Xu 3561f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3571da177e4SLinus Torvalds struct net_bridge *br; 3581da177e4SLinus Torvalds struct net_device *dev; 359b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3601da177e4SLinus Torvalds struct list_head list; 3611da177e4SLinus Torvalds 3621f90c7f3SNikolay Aleksandrov unsigned long flags; 3631f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3641f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3651f90c7f3SNikolay Aleksandrov #endif 3662756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3671f90c7f3SNikolay Aleksandrov 3681da177e4SLinus Torvalds /* STP */ 3691da177e4SLinus Torvalds u8 priority; 3701da177e4SLinus Torvalds u8 state; 3711da177e4SLinus Torvalds u16 port_no; 3721da177e4SLinus Torvalds unsigned char topology_change_ack; 3731da177e4SLinus Torvalds unsigned char config_pending; 3741da177e4SLinus Torvalds port_id port_id; 3751da177e4SLinus Torvalds port_id designated_port; 3761da177e4SLinus Torvalds bridge_id designated_root; 3771da177e4SLinus Torvalds bridge_id designated_bridge; 3781da177e4SLinus Torvalds u32 path_cost; 3791da177e4SLinus Torvalds u32 designated_cost; 3800c03150eSstephen hemminger unsigned long designated_age; 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3831da177e4SLinus Torvalds struct timer_list hold_timer; 3841da177e4SLinus Torvalds struct timer_list message_age_timer; 3851da177e4SLinus Torvalds struct kobject kobj; 3861da177e4SLinus Torvalds struct rcu_head rcu; 3873982d3d2SFischer, Anna 3889632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3899632233eSNikolay Aleksandrov 390eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3919632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3929632233eSNikolay Aleksandrov 39389268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 39489268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 395eb1d1641SHerbert Xu struct hlist_head mglist; 396eb1d1641SHerbert Xu #endif 397e0f43752SSimon Arlott 398e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 399e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 400e0f43752SSimon Arlott #endif 40191d2c34aSHerbert Xu 40291d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 40391d2c34aSHerbert Xu struct netpoll *np; 40491d2c34aSHerbert Xu #endif 4056bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 406f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 407f7cf972fSTobias Waldekranz * hardware domain. 408f7cf972fSTobias Waldekranz */ 409f7cf972fSTobias Waldekranz int hwdom; 4102f5dc00fSVladimir Oltean int offload_count; 4112f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4126bc506b4SIdo Schimmel #endif 4135af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4142756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 415de179966SVivien Didelot 416de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4171da177e4SLinus Torvalds }; 4181da177e4SLinus Torvalds 419705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 420705e0deaSTyler Hicks 421e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 422f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 423e028e4b8SVlad Yasevich 424b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 425b5ed54e9Sstephen hemminger { 426716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 427b5ed54e9Sstephen hemminger } 428b5ed54e9Sstephen hemminger 4291fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 430b5ed54e9Sstephen hemminger { 43135f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 432ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 433b5ed54e9Sstephen hemminger } 434b5ed54e9Sstephen hemminger 4350baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4360baa10ffSArkadi Sharshevsky { 43735f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4380baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4390baa10ffSArkadi Sharshevsky } 4400baa10ffSArkadi Sharshevsky 441ae75767eSNikolay Aleksandrov enum net_bridge_opts { 442ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 443ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4448df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4458df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4468df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 447be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 44813cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 449675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 450675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 451675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 452c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4533341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4549163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 45570e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4569c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 457f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 458ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 459ae75767eSNikolay Aleksandrov }; 460ae75767eSNikolay Aleksandrov 4611f90c7f3SNikolay Aleksandrov struct net_bridge { 4621da177e4SLinus Torvalds spinlock_t lock; 4631f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 46490c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4651da177e4SLinus Torvalds struct net_device *dev; 466ae75767eSNikolay Aleksandrov unsigned long options; 4671f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4681f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4691f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4701f90c7f3SNikolay Aleksandrov u16 default_pvid; 4711f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4721f90c7f3SNikolay Aleksandrov #endif 4731f90c7f3SNikolay Aleksandrov 474eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 47590c628ddSHenrik Bjoernlund struct list_head port_list; 47634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 477efb6de9bSBernhard Thaler union { 4784adf0af6SSimon Wunderlich struct rtable fake_rtable; 479efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 480efb6de9bSBernhard Thaler }; 4814adf0af6SSimon Wunderlich #endif 482515853ccSstephen hemminger u16 group_fwd_mask; 483f2808d22SToshiaki Makita u16 group_fwd_mask_required; 484515853ccSstephen hemminger 4851da177e4SLinus Torvalds /* STP */ 4861da177e4SLinus Torvalds bridge_id designated_root; 4871da177e4SLinus Torvalds bridge_id bridge_id; 4881f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4891f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4901f90c7f3SNikolay Aleksandrov u16 root_port; 4911da177e4SLinus Torvalds unsigned long max_age; 4921da177e4SLinus Torvalds unsigned long hello_time; 4931da177e4SLinus Torvalds unsigned long forward_delay; 4941da177e4SLinus Torvalds unsigned long ageing_time; 49534d8acd8SVivien Didelot unsigned long bridge_max_age; 4961da177e4SLinus Torvalds unsigned long bridge_hello_time; 4971da177e4SLinus Torvalds unsigned long bridge_forward_delay; 49834d8acd8SVivien Didelot unsigned long bridge_ageing_time; 49935750b0bSNikolay Aleksandrov u32 root_path_cost; 5001da177e4SLinus Torvalds 501fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5029cde0708SStephen Hemminger 5039cde0708SStephen Hemminger enum { 5049cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5059cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5069cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5079cde0708SStephen Hemminger } stp_enabled; 5089cde0708SStephen Hemminger 509d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 510d3d065c0SNikolay Aleksandrov 511eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 512d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 513eb1d1641SHerbert Xu 514eb1d1641SHerbert Xu u32 hash_max; 515eb1d1641SHerbert Xu 51635750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 517eb1d1641SHerbert Xu 51819e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 519085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 52019e3a9c9SNikolay Aleksandrov 521e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 52219e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 523eb1d1641SHerbert Xu 524e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 525eb1d1641SHerbert Xu #endif 526eb1d1641SHerbert Xu 5271da177e4SLinus Torvalds struct timer_list hello_timer; 5281da177e4SLinus Torvalds struct timer_list tcn_timer; 5291da177e4SLinus Torvalds struct timer_list topology_change_timer; 530f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 53143b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 532e028e4b8SVlad Yasevich u32 auto_cnt; 5336bc506b4SIdo Schimmel 5346bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 535f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 536f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 537f7cf972fSTobias Waldekranz */ 538f7cf972fSTobias Waldekranz int last_hwdom; 53985826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 54085826610STobias Waldekranz unsigned long busy_hwdoms; 5416bc506b4SIdo Schimmel #endif 542eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5434b8d7d4cSHoratiu Vultur 5444b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5450169b820SHoratiu Vultur struct hlist_head mrp_list; 5464b8d7d4cSHoratiu Vultur #endif 547f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 548f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 549f323aa54SHenrik Bjoernlund #endif 5501da177e4SLinus Torvalds }; 5511da177e4SLinus Torvalds 55268b7c895SHerbert Xu struct br_input_skb_cb { 55368b7c895SHerbert Xu struct net_device *brdev; 55493fdd47eSHerbert Xu 5553c171f49SPablo Neira Ayuso u16 frag_max_size; 55632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 557f12064d1SFlorian Westphal u8 igmp; 558f12064d1SFlorian Westphal u8 mrouters_only:1; 55932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 560f12064d1SFlorian Westphal u8 proxyarp_replied:1; 561f12064d1SFlorian Westphal u8 src_port_isolated:1; 56220adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 563f12064d1SFlorian Westphal u8 vlan_filtered:1; 56420adfa1aSVlad Yasevich #endif 565223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 566223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 567223fd0adSFlorian Westphal #endif 5686bc506b4SIdo Schimmel 5696bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 57047211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 57147211192STobias Waldekranz * hardware domain. 57247211192STobias Waldekranz */ 57347211192STobias Waldekranz u8 tx_fwd_offload:1; 574f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 575f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 576f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 577f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 578f7cf972fSTobias Waldekranz */ 579f7cf972fSTobias Waldekranz int src_hwdom; 58047211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 58147211192STobias Waldekranz * transmitted using the TX data plane offload. 58247211192STobias Waldekranz */ 58347211192STobias Waldekranz unsigned long fwd_hwdoms; 5846bc506b4SIdo Schimmel #endif 58568b7c895SHerbert Xu }; 58668b7c895SHerbert Xu 58768b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 58868b7c895SHerbert Xu 58932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 59032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 59132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 59232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 59332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 59432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 59528a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 59628a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 59728a16c97Sstephen hemminger 59828a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 59928a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 60028a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 60128a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 60228a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 60328a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 60428a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 60528a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 60628a16c97Sstephen hemminger 60728a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 60828a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 60928a16c97Sstephen hemminger 6101da177e4SLinus Torvalds /* called under bridge lock */ 6111da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6121da177e4SLinus Torvalds { 6131da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds 6162594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6172594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6182594e906SNikolay Aleksandrov { 6192594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6202594e906SNikolay Aleksandrov } 6212594e906SNikolay Aleksandrov 6222594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6232594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6242594e906SNikolay Aleksandrov { 6252594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6262594e906SNikolay Aleksandrov } 6272594e906SNikolay Aleksandrov 6286be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6292594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6302594e906SNikolay Aleksandrov { 6312594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6322594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6332594e906SNikolay Aleksandrov return true; 6342594e906SNikolay Aleksandrov else 6352594e906SNikolay Aleksandrov return false; 6362594e906SNikolay Aleksandrov } 6372594e906SNikolay Aleksandrov 6382594e906SNikolay Aleksandrov return true; 6392594e906SNikolay Aleksandrov } 6402594e906SNikolay Aleksandrov 6415d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6425d1fcaf3SNikolay Aleksandrov { 6435d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6445d1fcaf3SNikolay Aleksandrov } 6455d1fcaf3SNikolay Aleksandrov 6468f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6475a46facbSNikolay Aleksandrov { 6488f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6498f4cc940SNikolay Aleksandrov 6508f4cc940SNikolay Aleksandrov if (!ret) 6518f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6528f4cc940SNikolay Aleksandrov 6538f4cc940SNikolay Aleksandrov return ret; 6545a46facbSNikolay Aleksandrov } 6555a46facbSNikolay Aleksandrov 6565a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6578f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6588f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6595a46facbSNikolay Aleksandrov { 6605a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6618f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6628f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6635a46facbSNikolay Aleksandrov return false; 6648f4cc940SNikolay Aleksandrov } 6655a46facbSNikolay Aleksandrov 6665a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6675a46facbSNikolay Aleksandrov * - it has range start flag 6685a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6695a46facbSNikolay Aleksandrov */ 6705a46facbSNikolay Aleksandrov if (last) { 6718f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6728f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6735a46facbSNikolay Aleksandrov return false; 6748f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6758f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6768f4cc940SNikolay Aleksandrov return false; 6778f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6788f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6798f4cc940SNikolay Aleksandrov return false; 6808f4cc940SNikolay Aleksandrov } 6818f4cc940SNikolay Aleksandrov } 6828f4cc940SNikolay Aleksandrov 6838f4cc940SNikolay Aleksandrov /* check for required range flags */ 6848f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6858f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6868f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6875a46facbSNikolay Aleksandrov return false; 6885a46facbSNikolay Aleksandrov } 6895a46facbSNikolay Aleksandrov 6905a46facbSNikolay Aleksandrov return true; 6915a46facbSNikolay Aleksandrov } 6925a46facbSNikolay Aleksandrov 6932796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6942796d846SNikolay Aleksandrov { 6952796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6962796d846SNikolay Aleksandrov 6972796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6982796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 6992796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7002796d846SNikolay Aleksandrov else 7012796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7022796d846SNikolay Aleksandrov #endif 7032796d846SNikolay Aleksandrov 7042796d846SNikolay Aleksandrov return mcast_router; 7052796d846SNikolay Aleksandrov } 7062796d846SNikolay Aleksandrov 707f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 708f545923bSNikolay Aleksandrov { 709f545923bSNikolay Aleksandrov switch (cmd) { 710f545923bSNikolay Aleksandrov case RTM_SETLINK: 711f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 712f545923bSNikolay Aleksandrov case RTM_DELLINK: 713f545923bSNikolay Aleksandrov return RTM_DELVLAN; 714f545923bSNikolay Aleksandrov } 715f545923bSNikolay Aleksandrov 716f545923bSNikolay Aleksandrov return 0; 717f545923bSNikolay Aleksandrov } 718f545923bSNikolay Aleksandrov 719ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 720ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 721ae75767eSNikolay Aleksandrov { 722ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 723ae75767eSNikolay Aleksandrov } 724ae75767eSNikolay Aleksandrov 725a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 726a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 727a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 728a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 729a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 730a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 731a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 732a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 733ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 734ae75767eSNikolay Aleksandrov 7351da177e4SLinus Torvalds /* br_device.c */ 736348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 737348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 738348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 739cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 74091d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 74191d2c34aSHerbert Xu struct sk_buff *skb) 74291d2c34aSHerbert Xu { 743f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 74491d2c34aSHerbert Xu } 74591d2c34aSHerbert Xu 746a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 747348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 74891d2c34aSHerbert Xu #else 7499f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 75091d2c34aSHerbert Xu struct sk_buff *skb) 75191d2c34aSHerbert Xu { 75291d2c34aSHerbert Xu } 75391d2c34aSHerbert Xu 754a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 75591d2c34aSHerbert Xu { 75691d2c34aSHerbert Xu return 0; 75791d2c34aSHerbert Xu } 75891d2c34aSHerbert Xu 75991d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 76091d2c34aSHerbert Xu { 76191d2c34aSHerbert Xu } 762cfb478daSstephen hemminger #endif 7631da177e4SLinus Torvalds 7641da177e4SLinus Torvalds /* br_fdb.c */ 765348662a1SJoe Perches int br_fdb_init(void); 766348662a1SJoe Perches void br_fdb_fini(void); 767eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 768eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 769*1f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 770*1f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 771424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 772424bb9c9SToshiaki Makita const struct net_bridge_port *p, 773424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 774348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 775348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 776f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 777348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7781ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 779bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 780bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 781bfd0aeacSNikolay Aleksandrov __u16 vid); 782348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 783348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 784348662a1SJoe Perches unsigned long off); 785f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 786348662a1SJoe Perches const unsigned char *addr, u16 vid); 787348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 788be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 78977162022SJohn Fastabend 790348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 791f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 792edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 793edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 794edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 795348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 79687b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 79787b0984eSPetr Machata struct netlink_ext_ack *extack); 798348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 799d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 80047674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 80147674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 80247674562SRoopa Prabhu struct netlink_ext_ack *extack); 8038db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8048db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8053aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 80645a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 807161d82deSPetr Machata bool swdev_notify); 8083aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 809161d82deSPetr Machata const unsigned char *addr, u16 vid, 810161d82deSPetr Machata bool swdev_notify); 8119fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 812e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8131da177e4SLinus Torvalds 8141da177e4SLinus Torvalds /* br_forward.c */ 8158addd5e7SNikolay Aleksandrov enum br_pkt_type { 8168addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8178addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8188addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8198addd5e7SNikolay Aleksandrov }; 8200c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 821b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 82237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8230c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 82437b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8258addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8261da177e4SLinus Torvalds 8277d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8287d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8297d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8307d850abdSNikolay Aleksandrov { 8317d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8327d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8337d850abdSNikolay Aleksandrov } 8347d850abdSNikolay Aleksandrov 8351da177e4SLinus Torvalds /* br_if.c */ 836faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 837348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 838348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 839ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 840ca752be0SDavid Ahern struct netlink_ext_ack *extack); 841348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 842804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 843348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 844c8f44affSMichał Mirosław netdev_features_t features); 845e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8462796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8472756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8481da177e4SLinus Torvalds 8491da177e4SLinus Torvalds /* br_input.c */ 8500c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8519eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8521da177e4SLinus Torvalds 85390c628ddSHenrik Bjoernlund struct br_frame_type { 85490c628ddSHenrik Bjoernlund __be16 type; 85590c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 85690c628ddSHenrik Bjoernlund struct sk_buff *skb); 85790c628ddSHenrik Bjoernlund struct hlist_node list; 85890c628ddSHenrik Bjoernlund }; 85990c628ddSHenrik Bjoernlund 86090c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 86190c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 86290c628ddSHenrik Bjoernlund 863859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 864859828c0SJiri Pirko { 8659eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 866859828c0SJiri Pirko } 867859828c0SJiri Pirko 8684d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8694d4fd361SPetr Machata { 8709eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8714d4fd361SPetr Machata } 8724d4fd361SPetr Machata 873859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 874859828c0SJiri Pirko { 875859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 876859828c0SJiri Pirko } 877859828c0SJiri Pirko 8784d4fd361SPetr Machata static inline struct net_bridge_port * 8794d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8804d4fd361SPetr Machata { 8814d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8824d4fd361SPetr Machata } 8834d4fd361SPetr Machata 8841da177e4SLinus Torvalds /* br_ioctl.c */ 885561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 886561d8352SArnd Bergmann void __user *data, int cmd); 887ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 888ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8891da177e4SLinus Torvalds 890eb1d1641SHerbert Xu /* br_multicast.c */ 891eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 892f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 893f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 894f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 895fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 896adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 897eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8981080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 899348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 900348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 901348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 902348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 903851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 904851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 905348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 906348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 907e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 908adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 909adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 910adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 911a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 912a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 913a53581d5SNikolay Aleksandrov unsigned long val); 9142796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 915ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 916ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 91762938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 918348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 919df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 920df271cd6SNikolay Aleksandrov unsigned long val); 921aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 922df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 923df271cd6SNikolay Aleksandrov unsigned long val); 924aa2ae3e7SNikolay Aleksandrov #endif 925348662a1SJoe Perches struct net_bridge_mdb_entry * 92619e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 927348662a1SJoe Perches struct net_bridge_mdb_entry * 92819e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 929348662a1SJoe Perches struct net_bridge_port_group * 930348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 931762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9328b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9338f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 93419e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 93519e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 93681f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 93781f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9381e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 939949f1e39SSatish Ashok int type); 940681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 941681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 942681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 943adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 944adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 945a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9461080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 947b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9481080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9491080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9501080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 95119e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 95219e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 95358d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 95458d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9551bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9568266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9578266a049SNikolay Aleksandrov u8 filter_mode); 9588266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9598266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 960474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 961474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 962d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 963d5a10222SNikolay Aleksandrov bool fastleave); 964613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 965613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 966613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 967613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 968613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 969613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 970613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 971613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9727b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 973f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 974f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9759dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 97685b35269SSridhar Samudrala 977dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 978dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 979c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 980c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 981c7fa1d9bSNikolay Aleksandrov int nest_attr); 982c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 98305d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 98499b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 98599b40610SNikolay Aleksandrov unsigned long val); 986f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 987f83a112bSNikolay Aleksandrov unsigned long val); 9884e51bf44SVladimir Oltean 989955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 990955062b0SNikolay Aleksandrov { 991955062b0SNikolay Aleksandrov return group->proto == 0; 992955062b0SNikolay Aleksandrov } 993955062b0SNikolay Aleksandrov 994cfd56754SCong Wang #define mlock_dereference(X, br) \ 995cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 996cfd56754SCong Wang 99744ebb081SLinus Lüssing static inline struct hlist_node * 998adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 999adc47037SNikolay Aleksandrov struct sk_buff *skb) 1000d3d065c0SNikolay Aleksandrov { 1001a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1002a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1003d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1004a3c02e76SLinus Lüssing #endif 1005d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 100644ebb081SLinus Lüssing } 100744ebb081SLinus Lüssing 100844ebb081SLinus Lüssing static inline struct net_bridge_port * 1009d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1010d3d065c0SNikolay Aleksandrov { 10119632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10129632233eSNikolay Aleksandrov 1013a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1014a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10159632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10169632233eSNikolay Aleksandrov ip6_rlist); 10179632233eSNikolay Aleksandrov else 1018a3c02e76SLinus Lüssing #endif 10199632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10209632233eSNikolay Aleksandrov ip4_rlist); 10219632233eSNikolay Aleksandrov 10229632233eSNikolay Aleksandrov if (mctx) 10239632233eSNikolay Aleksandrov return mctx->port; 10249632233eSNikolay Aleksandrov else 10259632233eSNikolay Aleksandrov return NULL; 102644ebb081SLinus Lüssing } 102744ebb081SLinus Lüssing 1028d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 102985b35269SSridhar Samudrala { 1030d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10311a3065a2SLinus Lüssing } 10321a3065a2SLinus Lüssing 1033d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10341a3065a2SLinus Lüssing { 10351a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1036d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10371a3065a2SLinus Lüssing #else 10381a3065a2SLinus Lüssing return false; 10391a3065a2SLinus Lüssing #endif 10401a3065a2SLinus Lüssing } 10411a3065a2SLinus Lüssing 10421a3065a2SLinus Lüssing static inline bool 1043adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10441a3065a2SLinus Lüssing { 1045d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10461a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10471a3065a2SLinus Lüssing return true; 10481a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10491a3065a2SLinus Lüssing if (skb) { 10501a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1051d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10521a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1053d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10541a3065a2SLinus Lüssing } else { 1055d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1056d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10571a3065a2SLinus Lüssing } 10581a3065a2SLinus Lüssing fallthrough; 10591a3065a2SLinus Lüssing default: 10601a3065a2SLinus Lüssing return false; 10611a3065a2SLinus Lüssing } 106285b35269SSridhar Samudrala } 1063b00589afSLinus Lüssing 1064cc0fdd80SLinus Lüssing static inline bool 1065adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10660888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10670888d5f3Sdaniel const bool is_ipv6) 1068b00589afSLinus Lüssing { 10690888d5f3Sdaniel bool own_querier_enabled; 10700888d5f3Sdaniel 107162938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1072adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10730888d5f3Sdaniel own_querier_enabled = false; 10740888d5f3Sdaniel else 10750888d5f3Sdaniel own_querier_enabled = true; 10760888d5f3Sdaniel } else { 10770888d5f3Sdaniel own_querier_enabled = false; 10780888d5f3Sdaniel } 10790888d5f3Sdaniel 1080cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10810888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1082cc0fdd80SLinus Lüssing } 1083cc0fdd80SLinus Lüssing 1084adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1085955062b0SNikolay Aleksandrov struct ethhdr *eth, 1086955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1087cc0fdd80SLinus Lüssing { 1088cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1089cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1090adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1091adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1092cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1093cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1094adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1095adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1096cc0fdd80SLinus Lüssing #endif 1097cc0fdd80SLinus Lüssing default: 1098955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1099cc0fdd80SLinus Lüssing } 1100b00589afSLinus Lüssing } 11011080ab95SNikolay Aleksandrov 110288d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 110388d4bd18SNikolay Aleksandrov { 110488d4bd18SNikolay Aleksandrov switch (ip->proto) { 110588d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 110688d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 110788d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 110888d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 110988d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 111088d4bd18SNikolay Aleksandrov #endif 111188d4bd18SNikolay Aleksandrov default: 111288d4bd18SNikolay Aleksandrov return false; 111388d4bd18SNikolay Aleksandrov } 111488d4bd18SNikolay Aleksandrov } 111588d4bd18SNikolay Aleksandrov 1116adc47037SNikolay Aleksandrov static inline bool 1117adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11188266a049SNikolay Aleksandrov __be16 proto) 11198266a049SNikolay Aleksandrov { 11208266a049SNikolay Aleksandrov switch (proto) { 11218266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1122adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11238266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11248266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1125adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11268266a049SNikolay Aleksandrov #endif 11278266a049SNikolay Aleksandrov default: 11288266a049SNikolay Aleksandrov return false; 11298266a049SNikolay Aleksandrov } 11308266a049SNikolay Aleksandrov } 11318266a049SNikolay Aleksandrov 11321080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11331080ab95SNikolay Aleksandrov { 11341080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11351080ab95SNikolay Aleksandrov } 113642c11ccfSNikolay Aleksandrov 1137adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 113842c11ccfSNikolay Aleksandrov { 1139adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1140adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 114142c11ccfSNikolay Aleksandrov } 11420436862eSNikolay Aleksandrov 1143adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11440436862eSNikolay Aleksandrov { 1145fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11460436862eSNikolay Aleksandrov } 11477b54aaafSNikolay Aleksandrov 11487b54aaafSNikolay Aleksandrov static inline bool 11497b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11507b54aaafSNikolay Aleksandrov { 11517b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11527b54aaafSNikolay Aleksandrov } 11537b54aaafSNikolay Aleksandrov 11547b54aaafSNikolay Aleksandrov static inline bool 11557b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11567b54aaafSNikolay Aleksandrov { 11577b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11587b54aaafSNikolay Aleksandrov } 11597b54aaafSNikolay Aleksandrov 11607b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11617b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11627b54aaafSNikolay Aleksandrov { 11637b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11647b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11657b54aaafSNikolay Aleksandrov else 11667b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11677b54aaafSNikolay Aleksandrov } 11687b54aaafSNikolay Aleksandrov 11697b54aaafSNikolay Aleksandrov static inline bool 11707b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11717b54aaafSNikolay Aleksandrov { 1172168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1173168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1174168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 11757b54aaafSNikolay Aleksandrov } 11767b54aaafSNikolay Aleksandrov 11777b54aaafSNikolay Aleksandrov static inline bool 11787b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11797b54aaafSNikolay Aleksandrov { 11807b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11817b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11827b54aaafSNikolay Aleksandrov } 11837b54aaafSNikolay Aleksandrov 11847b54aaafSNikolay Aleksandrov static inline bool 11857b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11867b54aaafSNikolay Aleksandrov { 11877b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11887b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11897b54aaafSNikolay Aleksandrov } 11904cdd0d10SNikolay Aleksandrov 11914cdd0d10SNikolay Aleksandrov static inline bool 11924cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11934cdd0d10SNikolay Aleksandrov { 11944cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11954cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11964cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11974cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11984cdd0d10SNikolay Aleksandrov } 11994cdd0d10SNikolay Aleksandrov 12004cdd0d10SNikolay Aleksandrov static inline bool 12014cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12024cdd0d10SNikolay Aleksandrov { 12034cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12044cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12054cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12064cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12074cdd0d10SNikolay Aleksandrov } 1208df271cd6SNikolay Aleksandrov 1209df271cd6SNikolay Aleksandrov static inline bool 1210dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1211dc002875SNikolay Aleksandrov { 1212dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1213dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1214dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1215dc002875SNikolay Aleksandrov #else 1216dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1217dc002875SNikolay Aleksandrov #endif 1218dc002875SNikolay Aleksandrov } 1219dc002875SNikolay Aleksandrov 1220dc002875SNikolay Aleksandrov static inline bool 1221df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1222df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1223df271cd6SNikolay Aleksandrov { 1224df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1225df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1226931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1227931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 122850725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 122950725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 123077f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 123177f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12322da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12332da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1234cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1235cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1236d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1237d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 123842521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 123942521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1240941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1241941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 124262938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1243a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1244dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1245dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1246df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1247df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1248df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1249df271cd6SNikolay Aleksandrov #endif 1250df271cd6SNikolay Aleksandrov true; 1251df271cd6SNikolay Aleksandrov } 1252cb486ce9SNikolay Aleksandrov 1253cb486ce9SNikolay Aleksandrov static inline bool 1254cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1255cb486ce9SNikolay Aleksandrov { 1256cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1257cb486ce9SNikolay Aleksandrov 1258cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1259cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1260cb486ce9SNikolay Aleksandrov 1261cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1262cb486ce9SNikolay Aleksandrov } 1263eb1d1641SHerbert Xu #else 1264f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1265f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1266f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 126706499098SVlad Yasevich struct sk_buff *skb, 126806499098SVlad Yasevich u16 vid) 1269eb1d1641SHerbert Xu { 1270eb1d1641SHerbert Xu return 0; 1271eb1d1641SHerbert Xu } 1272eb1d1641SHerbert Xu 1273adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1274fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1275eb1d1641SHerbert Xu { 1276eb1d1641SHerbert Xu return NULL; 1277eb1d1641SHerbert Xu } 1278eb1d1641SHerbert Xu 12791080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1280eb1d1641SHerbert Xu { 12811080ab95SNikolay Aleksandrov return 0; 1282eb1d1641SHerbert Xu } 1283eb1d1641SHerbert Xu 1284eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1285eb1d1641SHerbert Xu { 1286eb1d1641SHerbert Xu } 1287eb1d1641SHerbert Xu 1288eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1289eb1d1641SHerbert Xu { 1290eb1d1641SHerbert Xu } 1291eb1d1641SHerbert Xu 1292eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1293eb1d1641SHerbert Xu { 1294eb1d1641SHerbert Xu } 1295eb1d1641SHerbert Xu 1296eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1297eb1d1641SHerbert Xu { 1298eb1d1641SHerbert Xu } 1299eb1d1641SHerbert Xu 1300851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1301851d0a73SJoseph Huang { 1302851d0a73SJoseph Huang } 1303851d0a73SJoseph Huang 1304851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1305851d0a73SJoseph Huang { 1306851d0a73SJoseph Huang } 1307851d0a73SJoseph Huang 1308eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1309eb1d1641SHerbert Xu { 1310eb1d1641SHerbert Xu } 1311eb1d1641SHerbert Xu 1312eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1313eb1d1641SHerbert Xu { 1314eb1d1641SHerbert Xu } 13155cb5e947SHerbert Xu 1316a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1317a7ce45a7SNikolay Aleksandrov { 1318a7ce45a7SNikolay Aleksandrov } 1319a7ce45a7SNikolay Aleksandrov 132037b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 132137b090e6SNikolay Aleksandrov struct sk_buff *skb, 1322adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 132337b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13245cb5e947SHerbert Xu { 13255cb5e947SHerbert Xu } 13265cb5e947SHerbert Xu 1327adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1328bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1329eb1d1641SHerbert Xu { 133003aaa9e2SGustavo A. R. Silva return false; 1331eb1d1641SHerbert Xu } 133237b090e6SNikolay Aleksandrov 1333adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1334c43fd36fSVladimir Oltean struct ethhdr *eth, 1335c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1336b00589afSLinus Lüssing { 1337b00589afSLinus Lüssing return false; 1338b00589afSLinus Lüssing } 133937b090e6SNikolay Aleksandrov 1340fdb184d1SRami Rosen static inline void br_mdb_init(void) 1341fdb184d1SRami Rosen { 1342fdb184d1SRami Rosen } 134337b090e6SNikolay Aleksandrov 1344fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1345fdb184d1SRami Rosen { 1346fdb184d1SRami Rosen } 13471080ab95SNikolay Aleksandrov 134819e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 134919e3a9c9SNikolay Aleksandrov { 135019e3a9c9SNikolay Aleksandrov return 0; 135119e3a9c9SNikolay Aleksandrov } 135219e3a9c9SNikolay Aleksandrov 135319e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 135419e3a9c9SNikolay Aleksandrov { 135519e3a9c9SNikolay Aleksandrov } 135619e3a9c9SNikolay Aleksandrov 13571080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13581080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1359a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1360a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13611080ab95SNikolay Aleksandrov { 13621080ab95SNikolay Aleksandrov } 13631080ab95SNikolay Aleksandrov 13641080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13651080ab95SNikolay Aleksandrov { 13661080ab95SNikolay Aleksandrov return 0; 13671080ab95SNikolay Aleksandrov } 13681080ab95SNikolay Aleksandrov 1369b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1370b6fe0440SIdo Schimmel { 1371b6fe0440SIdo Schimmel } 1372b6fe0440SIdo Schimmel 13731080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13741080ab95SNikolay Aleksandrov { 13751080ab95SNikolay Aleksandrov return 0; 13761080ab95SNikolay Aleksandrov } 1377613d61dbSNikolay Aleksandrov 1378613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1379613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1380613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1381613d61dbSNikolay Aleksandrov { 1382613d61dbSNikolay Aleksandrov } 1383613d61dbSNikolay Aleksandrov 1384613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1385613d61dbSNikolay Aleksandrov { 1386613d61dbSNikolay Aleksandrov } 1387613d61dbSNikolay Aleksandrov 1388613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1389613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1390613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1391613d61dbSNikolay Aleksandrov { 1392613d61dbSNikolay Aleksandrov } 1393613d61dbSNikolay Aleksandrov 1394613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1395613d61dbSNikolay Aleksandrov { 1396613d61dbSNikolay Aleksandrov } 13977b54aaafSNikolay Aleksandrov 13987b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13997b54aaafSNikolay Aleksandrov bool on) 14007b54aaafSNikolay Aleksandrov { 14017b54aaafSNikolay Aleksandrov } 1402f4b7002aSNikolay Aleksandrov 1403f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1404f4b7002aSNikolay Aleksandrov bool on, 1405f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1406f4b7002aSNikolay Aleksandrov { 1407f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1408f4b7002aSNikolay Aleksandrov } 14099dee572cSNikolay Aleksandrov 14109dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14119dee572cSNikolay Aleksandrov bool on) 14129dee572cSNikolay Aleksandrov { 14139dee572cSNikolay Aleksandrov return false; 14149dee572cSNikolay Aleksandrov } 14154e51bf44SVladimir Oltean 1416df271cd6SNikolay Aleksandrov static inline bool 1417df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1418df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1419df271cd6SNikolay Aleksandrov { 1420df271cd6SNikolay Aleksandrov return true; 1421df271cd6SNikolay Aleksandrov } 142285b35269SSridhar Samudrala #endif 1423eb1d1641SHerbert Xu 1424243a2e63SVlad Yasevich /* br_vlan.c */ 1425243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 142677751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 142777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1428f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1429f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 143077751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 143185f46c6bSVlad Yasevich const struct sk_buff *skb); 1432e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1433348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 143411538d03SRoopa Prabhu const struct net_bridge_port *port, 14352594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 143678851988SVlad Yasevich struct sk_buff *skb); 1437f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1438169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1439348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1440348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14412594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1442204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14439e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14449e781401SVladimir Oltean struct netlink_ext_ack *extack); 1445dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1446dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14479e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14489e781401SVladimir Oltean struct netlink_ext_ack *extack); 14496dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14509163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14515be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14529e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14539e781401SVladimir Oltean struct netlink_ext_ack *extack); 1454169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1455169327d5SPetr Machata struct netlink_ext_ack *extack); 1456f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1457169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1458348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1459348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1460169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14612594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1462a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1463281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14649c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1465091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14669c0ec2e7SMike Manning void *ptr); 14678dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14688dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1469cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1470cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1471cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1472cf5bddb9SNikolay Aleksandrov int cmd); 1473a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1474a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1475a37b85c9SVlad Yasevich 1476bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1477bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1478bcf2766bSFelix Fietkau struct net_device_path *path); 1479bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1480bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1481bcf2766bSFelix Fietkau struct net_device_path *path); 1482bcf2766bSFelix Fietkau 14832594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1484a37b85c9SVlad Yasevich const struct net_bridge *br) 1485a37b85c9SVlad Yasevich { 1486907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1487a37b85c9SVlad Yasevich } 1488a37b85c9SVlad Yasevich 14892594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1490a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1491a37b85c9SVlad Yasevich { 1492907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1493907b1e6eSNikolay Aleksandrov } 1494907b1e6eSNikolay Aleksandrov 1495907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1496907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1497907b1e6eSNikolay Aleksandrov { 1498907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1499907b1e6eSNikolay Aleksandrov } 1500907b1e6eSNikolay Aleksandrov 1501907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1502907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1503907b1e6eSNikolay Aleksandrov { 1504907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1505a37b85c9SVlad Yasevich } 1506a37b85c9SVlad Yasevich 1507a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1508a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1509a37b85c9SVlad Yasevich */ 1510a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1511a37b85c9SVlad Yasevich { 1512a37b85c9SVlad Yasevich int err = 0; 1513a37b85c9SVlad Yasevich 15142594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15155978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15162594e906SNikolay Aleksandrov } else { 1517a37b85c9SVlad Yasevich *vid = 0; 1518a37b85c9SVlad Yasevich err = -EINVAL; 1519a37b85c9SVlad Yasevich } 1520a37b85c9SVlad Yasevich 1521a37b85c9SVlad Yasevich return err; 1522a37b85c9SVlad Yasevich } 152378851988SVlad Yasevich 152477751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 152578851988SVlad Yasevich { 152677751ee8SNikolay Aleksandrov if (!vg) 15275be5a2dfSVlad Yasevich return 0; 15285be5a2dfSVlad Yasevich 152978851988SVlad Yasevich smp_rmb(); 153077751ee8SNikolay Aleksandrov return vg->pvid; 153178851988SVlad Yasevich } 153278851988SVlad Yasevich 15338dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15348dcea187SNikolay Aleksandrov { 15358dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15368dcea187SNikolay Aleksandrov } 1537243a2e63SVlad Yasevich #else 153877751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 153977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15402594e906SNikolay Aleksandrov struct sk_buff *skb, 1541f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1542f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1543f4b7002aSNikolay Aleksandrov 15442594e906SNikolay Aleksandrov { 1545f4b7002aSNikolay Aleksandrov *vlan = NULL; 15462594e906SNikolay Aleksandrov return true; 15472594e906SNikolay Aleksandrov } 15482594e906SNikolay Aleksandrov 15492594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 155085f46c6bSVlad Yasevich const struct sk_buff *skb) 155185f46c6bSVlad Yasevich { 155285f46c6bSVlad Yasevich return true; 155385f46c6bSVlad Yasevich } 155485f46c6bSVlad Yasevich 1555e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1556e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1557e0d7968aSToshiaki Makita { 1558e0d7968aSToshiaki Makita return true; 1559e0d7968aSToshiaki Makita } 1560e0d7968aSToshiaki Makita 156178851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 156211538d03SRoopa Prabhu const struct net_bridge_port *port, 15632594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 156478851988SVlad Yasevich struct sk_buff *skb) 156578851988SVlad Yasevich { 156678851988SVlad Yasevich return skb; 156778851988SVlad Yasevich } 156878851988SVlad Yasevich 1569f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1570169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1571243a2e63SVlad Yasevich { 1572f418af63SNikolay Aleksandrov *changed = false; 1573243a2e63SVlad Yasevich return -EOPNOTSUPP; 1574243a2e63SVlad Yasevich } 1575243a2e63SVlad Yasevich 1576243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1577243a2e63SVlad Yasevich { 1578243a2e63SVlad Yasevich return -EOPNOTSUPP; 1579243a2e63SVlad Yasevich } 1580243a2e63SVlad Yasevich 1581243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1582243a2e63SVlad Yasevich { 1583243a2e63SVlad Yasevich } 1584243a2e63SVlad Yasevich 1585204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1586204177f3SToshiaki Makita { 1587204177f3SToshiaki Makita } 1588204177f3SToshiaki Makita 15895be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15908580e211SToshiaki Makita { 15915be5a2dfSVlad Yasevich return 0; 15928580e211SToshiaki Makita } 15938580e211SToshiaki Makita 1594f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1595169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1596243a2e63SVlad Yasevich { 1597f418af63SNikolay Aleksandrov *changed = false; 1598243a2e63SVlad Yasevich return -EOPNOTSUPP; 1599243a2e63SVlad Yasevich } 1600243a2e63SVlad Yasevich 1601243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1602243a2e63SVlad Yasevich { 1603243a2e63SVlad Yasevich return -EOPNOTSUPP; 1604243a2e63SVlad Yasevich } 1605243a2e63SVlad Yasevich 1606243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1607243a2e63SVlad Yasevich { 1608243a2e63SVlad Yasevich } 1609243a2e63SVlad Yasevich 16102594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16112594e906SNikolay Aleksandrov u16 vid) 1612a37b85c9SVlad Yasevich { 1613a37b85c9SVlad Yasevich return NULL; 1614a37b85c9SVlad Yasevich } 1615bc9a25d2SVlad Yasevich 1616169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1617169327d5SPetr Machata struct netlink_ext_ack *extack) 16185be5a2dfSVlad Yasevich { 16195be5a2dfSVlad Yasevich return 0; 16205be5a2dfSVlad Yasevich } 16215be5a2dfSVlad Yasevich 162278851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1623a37b85c9SVlad Yasevich { 1624a37b85c9SVlad Yasevich return 0; 1625a37b85c9SVlad Yasevich } 16262594e906SNikolay Aleksandrov 162777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 162878851988SVlad Yasevich { 16293df6bf45SVlad Yasevich return 0; 163078851988SVlad Yasevich } 16312796d0c6SVlad Yasevich 16327a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1633c97f47e3SVladimir Oltean unsigned long val, 1634c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1635a7854037SNikolay Aleksandrov { 1636a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1637a7854037SNikolay Aleksandrov } 16382594e906SNikolay Aleksandrov 16392594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16402594e906SNikolay Aleksandrov u32 filter_mask) 16412594e906SNikolay Aleksandrov { 16422594e906SNikolay Aleksandrov return 0; 16432594e906SNikolay Aleksandrov } 16442594e906SNikolay Aleksandrov 1645bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1646bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1647bcf2766bSFelix Fietkau struct net_device_path *path) 1648bcf2766bSFelix Fietkau { 1649bcf2766bSFelix Fietkau } 1650bcf2766bSFelix Fietkau 1651bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1652bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1653bcf2766bSFelix Fietkau struct net_device_path *path) 1654bcf2766bSFelix Fietkau { 1655bcf2766bSFelix Fietkau return 0; 1656bcf2766bSFelix Fietkau } 1657bcf2766bSFelix Fietkau 16582594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16592594e906SNikolay Aleksandrov const struct net_bridge *br) 16602594e906SNikolay Aleksandrov { 16612594e906SNikolay Aleksandrov return NULL; 16622594e906SNikolay Aleksandrov } 16632594e906SNikolay Aleksandrov 16642594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16652594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16662594e906SNikolay Aleksandrov { 16672594e906SNikolay Aleksandrov return NULL; 16682594e906SNikolay Aleksandrov } 1669907b1e6eSNikolay Aleksandrov 1670907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1671907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1672907b1e6eSNikolay Aleksandrov { 1673907b1e6eSNikolay Aleksandrov return NULL; 1674907b1e6eSNikolay Aleksandrov } 1675907b1e6eSNikolay Aleksandrov 1676907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1677907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1678907b1e6eSNikolay Aleksandrov { 1679907b1e6eSNikolay Aleksandrov return NULL; 1680907b1e6eSNikolay Aleksandrov } 1681a60c0903SNikolay Aleksandrov 1682a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1683281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1684a60c0903SNikolay Aleksandrov { 1685a60c0903SNikolay Aleksandrov } 16869c0ec2e7SMike Manning 16879c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16889c0ec2e7SMike Manning unsigned long event) 16899c0ec2e7SMike Manning { 16909c0ec2e7SMike Manning } 16919c0ec2e7SMike Manning 1692091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16939c0ec2e7SMike Manning unsigned long event, void *ptr) 16949c0ec2e7SMike Manning { 1695091adf9bSNikolay Aleksandrov return 0; 16969c0ec2e7SMike Manning } 16978dcea187SNikolay Aleksandrov 16988dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16998dcea187SNikolay Aleksandrov { 17008dcea187SNikolay Aleksandrov } 17018dcea187SNikolay Aleksandrov 17028dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17038dcea187SNikolay Aleksandrov { 17048dcea187SNikolay Aleksandrov } 1705cf5bddb9SNikolay Aleksandrov 1706cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1707cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1708cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1709cf5bddb9SNikolay Aleksandrov int cmd) 1710cf5bddb9SNikolay Aleksandrov { 1711cf5bddb9SNikolay Aleksandrov } 1712528ae84aSNikolay Aleksandrov 1713528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1714528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1715528ae84aSNikolay Aleksandrov { 1716528ae84aSNikolay Aleksandrov return true; 1717528ae84aSNikolay Aleksandrov } 17184e51bf44SVladimir Oltean 1719c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1720c5f6e5ebSVladimir Oltean { 1721c5f6e5ebSVladimir Oltean return 0; 1722c5f6e5ebSVladimir Oltean } 1723c5f6e5ebSVladimir Oltean 1724243a2e63SVlad Yasevich #endif 1725243a2e63SVlad Yasevich 17267a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17277a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 172899f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 172999f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17307a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17317a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1732a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1733a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1734a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1735a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1736a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1737a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 173847ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 173947ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 174047ecd2dbSNikolay Aleksandrov int cmd, 174147ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1742743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1743743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1744743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1745743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1746a580c76dSNikolay Aleksandrov 1747a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1748a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1749a580c76dSNikolay Aleksandrov { 1750a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1751a580c76dSNikolay Aleksandrov } 1752a580c76dSNikolay Aleksandrov 1753a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1754a580c76dSNikolay Aleksandrov { 1755a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1756a580c76dSNikolay Aleksandrov } 1757a580c76dSNikolay Aleksandrov 1758a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1759a580c76dSNikolay Aleksandrov { 1760a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1761a580c76dSNikolay Aleksandrov } 1762a580c76dSNikolay Aleksandrov 1763a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1764a580c76dSNikolay Aleksandrov u8 state) 1765a580c76dSNikolay Aleksandrov { 1766a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1767a580c76dSNikolay Aleksandrov } 1768a580c76dSNikolay Aleksandrov 1769a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1770a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1771a580c76dSNikolay Aleksandrov { 1772a580c76dSNikolay Aleksandrov switch (state) { 1773a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1774a580c76dSNikolay Aleksandrov return learn_allow; 1775a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1776a580c76dSNikolay Aleksandrov return true; 1777a580c76dSNikolay Aleksandrov default: 1778a580c76dSNikolay Aleksandrov return false; 1779a580c76dSNikolay Aleksandrov } 1780a580c76dSNikolay Aleksandrov } 17817a53e718SNikolay Aleksandrov #endif 17827a53e718SNikolay Aleksandrov 1783ec7328b5STobias Waldekranz /* br_mst.c */ 1784ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1785ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1786ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1787ec7328b5STobias Waldekranz { 1788ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1789ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1790ec7328b5STobias Waldekranz } 1791ec7328b5STobias Waldekranz 1792ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1793ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 17948c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1795ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1796ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1797ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1798122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1799122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1800122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1801122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1802122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1803ec7328b5STobias Waldekranz #else 1804ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1805ec7328b5STobias Waldekranz { 1806ec7328b5STobias Waldekranz return false; 1807ec7328b5STobias Waldekranz } 1808ec7328b5STobias Waldekranz 1809ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1810ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1811ec7328b5STobias Waldekranz { 1812ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1813ec7328b5STobias Waldekranz } 1814ec7328b5STobias Waldekranz 1815ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1816ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1817ec7328b5STobias Waldekranz { 1818ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1819ec7328b5STobias Waldekranz } 1820122c2948STobias Waldekranz 1821122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1822122c2948STobias Waldekranz { 1823122c2948STobias Waldekranz return 0; 1824122c2948STobias Waldekranz } 1825122c2948STobias Waldekranz 1826122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1827122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1828122c2948STobias Waldekranz { 1829122c2948STobias Waldekranz return -EOPNOTSUPP; 1830122c2948STobias Waldekranz } 1831122c2948STobias Waldekranz 1832122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1833122c2948STobias Waldekranz const struct nlattr *mst_attr, 1834122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1835122c2948STobias Waldekranz { 1836122c2948STobias Waldekranz return -EOPNOTSUPP; 1837122c2948STobias Waldekranz } 1838ec7328b5STobias Waldekranz #endif 1839ec7328b5STobias Waldekranz 18401a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18411a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18421a4ba64dSPablo Neira Ayuso }; 18431a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18441a4ba64dSPablo Neira Ayuso 18451da177e4SLinus Torvalds /* br_netfilter.c */ 184634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 184734666d46SPablo Neira Ayuso int br_nf_core_init(void); 184834666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1849348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1850c0909713SStephen Hemminger #else 185134666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 185234666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18534adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1854c0909713SStephen Hemminger #endif 18551da177e4SLinus Torvalds 18561da177e4SLinus Torvalds /* br_stp.c */ 1857775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1858348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1859348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1860348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18611da177e4SLinus Torvalds 1862348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1863348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1864348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1865348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 186682dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18679e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 186814f98f25Sstephen hemminger 186914f98f25Sstephen hemminger 18701da177e4SLinus Torvalds /* br_stp_if.c */ 1871348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1872348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1873419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1874419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1875348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1876348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1877348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1878348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1879348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1880348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1881348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1882348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18831da177e4SLinus Torvalds 18841da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18857c85fbf0SPatrick McHardy struct stp_proto; 1886348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18877c85fbf0SPatrick McHardy struct net_device *dev); 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvalds /* br_stp_timer.c */ 1890348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1891348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1892348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvalds /* br.c */ 1895e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1896da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1897da678292SMichał Mirosław #endif 18981da177e4SLinus Torvalds 189965369933SHoratiu Vultur /* br_mrp.c */ 190065369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 190165369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 190265369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 190365369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 190465369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1905df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 190665369933SHoratiu Vultur #else 190765369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 190865369933SHoratiu Vultur struct nlattr *attr, int cmd, 190965369933SHoratiu Vultur struct netlink_ext_ack *extack) 191065369933SHoratiu Vultur { 191165369933SHoratiu Vultur return -EOPNOTSUPP; 191265369933SHoratiu Vultur } 191365369933SHoratiu Vultur 191465369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 191565369933SHoratiu Vultur { 19168741e184SJason Yan return false; 191765369933SHoratiu Vultur } 191865369933SHoratiu Vultur 191965369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 192065369933SHoratiu Vultur struct net_bridge_port *p) 192165369933SHoratiu Vultur { 192265369933SHoratiu Vultur } 1923df42ef22SHoratiu Vultur 1924df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1925df42ef22SHoratiu Vultur { 1926df42ef22SHoratiu Vultur return 0; 1927df42ef22SHoratiu Vultur } 1928df42ef22SHoratiu Vultur 192965369933SHoratiu Vultur #endif 193065369933SHoratiu Vultur 19312be665c3SHenrik Bjoernlund /* br_cfm.c */ 193286a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19332be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19342be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19352be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 193686a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19375e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1938b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1939b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1940b6d0425bSHenrik Bjoernlund bool getlink); 1941b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1942b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 194386a14b79SHenrik Bjoernlund #else 19442be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19452be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19462be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19472be665c3SHenrik Bjoernlund { 19482be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19492be665c3SHenrik Bjoernlund } 19502be665c3SHenrik Bjoernlund 19512be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19522be665c3SHenrik Bjoernlund { 19532be665c3SHenrik Bjoernlund return false; 19542be665c3SHenrik Bjoernlund } 19552be665c3SHenrik Bjoernlund 195686a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 195786a14b79SHenrik Bjoernlund struct net_bridge_port *p) 195886a14b79SHenrik Bjoernlund { 195986a14b79SHenrik Bjoernlund } 19605e312fc0SHenrik Bjoernlund 19615e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19625e312fc0SHenrik Bjoernlund { 19635e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19645e312fc0SHenrik Bjoernlund } 1965e77824d8SHenrik Bjoernlund 1966b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1967b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1968b6d0425bSHenrik Bjoernlund bool getlink) 1969b6d0425bSHenrik Bjoernlund { 1970b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1971b6d0425bSHenrik Bjoernlund } 1972b6d0425bSHenrik Bjoernlund 1973b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1974b6d0425bSHenrik Bjoernlund { 1975829e050eSIvan Vecera *count = 0; 1976b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1977b6d0425bSHenrik Bjoernlund } 1978b6d0425bSHenrik Bjoernlund 1979b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1980e77824d8SHenrik Bjoernlund { 1981829e050eSIvan Vecera *count = 0; 1982e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1983e77824d8SHenrik Bjoernlund } 198486a14b79SHenrik Bjoernlund #endif 198586a14b79SHenrik Bjoernlund 198611dc1f36SStephen Hemminger /* br_netlink.c */ 1987149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1988348662a1SJoe Perches int br_netlink_init(void); 1989348662a1SJoe Perches void br_netlink_fini(void); 199092899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 199192899063SNikolay Aleksandrov const struct net_bridge_port *port); 1992b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1993b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19942fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19952fd527b7SPetr Machata struct netlink_ext_ack *extack); 1996add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1997348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 199846c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1999f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2000f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2001f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2002f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2003f26b2965SNikolay Aleksandrov bool *changed, 2004f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 200511dc1f36SStephen Hemminger 20061da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20071da177e4SLinus Torvalds /* br_sysfs_if.c */ 200852cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2009348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2010348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20111da177e4SLinus Torvalds 20121da177e4SLinus Torvalds /* br_sysfs_br.c */ 2013348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2014348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20151da177e4SLinus Torvalds 20161da177e4SLinus Torvalds #else 20171da177e4SLinus Torvalds 20180cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20190cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20200cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20210cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20221da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20231da177e4SLinus Torvalds 20246bc506b4SIdo Schimmel /* br_switchdev.c */ 20256bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2026957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2027957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2028957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2029957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2030957e2235SVladimir Oltean bool tx_fwd_offload, 2031957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2032957e2235SVladimir Oltean 2033957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2034957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2035957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2036957e2235SVladimir Oltean 203747211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 203847211192STobias Waldekranz 2039c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2040c5381154SVladimir Oltean 204147211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 204247211192STobias Waldekranz struct sk_buff *skb); 204347211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 204447211192STobias Waldekranz struct sk_buff *skb); 20456bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20466bc506b4SIdo Schimmel struct sk_buff *skb); 20476bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20486bc506b4SIdo Schimmel const struct sk_buff *skb); 20493922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20503922285dSArkadi Sharshevsky unsigned long flags, 2051078bbb85SVladimir Oltean unsigned long mask, 2052078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20536eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20546eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2055ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2056ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2057ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2058ae039350SVladimir Oltean int type); 2059169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20608d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2061d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 206285826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2063f1c2eddfSIdo Schimmel 2064f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2065f1c2eddfSIdo Schimmel { 2066f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2067f1c2eddfSIdo Schimmel } 20686bc506b4SIdo Schimmel #else 2069957e2235SVladimir Oltean static inline int 2070957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2071957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2072957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2073957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2074957e2235SVladimir Oltean bool tx_fwd_offload, 2075957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2076957e2235SVladimir Oltean { 2077957e2235SVladimir Oltean return -EOPNOTSUPP; 2078957e2235SVladimir Oltean } 2079957e2235SVladimir Oltean 2080957e2235SVladimir Oltean static inline void 2081957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2082957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2083957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2084957e2235SVladimir Oltean { 2085957e2235SVladimir Oltean } 2086957e2235SVladimir Oltean 208747211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 208847211192STobias Waldekranz { 208947211192STobias Waldekranz return false; 209047211192STobias Waldekranz } 209147211192STobias Waldekranz 2092c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2093c5381154SVladimir Oltean { 2094c5381154SVladimir Oltean } 2095c5381154SVladimir Oltean 209647211192STobias Waldekranz static inline void 209747211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 209847211192STobias Waldekranz struct sk_buff *skb) 209947211192STobias Waldekranz { 210047211192STobias Waldekranz } 210147211192STobias Waldekranz 210247211192STobias Waldekranz static inline void 210347211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 210447211192STobias Waldekranz struct sk_buff *skb) 210547211192STobias Waldekranz { 210647211192STobias Waldekranz } 210747211192STobias Waldekranz 21086bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21096bc506b4SIdo Schimmel struct sk_buff *skb) 21106bc506b4SIdo Schimmel { 21116bc506b4SIdo Schimmel } 21126bc506b4SIdo Schimmel 21136bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21146bc506b4SIdo Schimmel const struct sk_buff *skb) 21156bc506b4SIdo Schimmel { 21166bc506b4SIdo Schimmel return true; 21176bc506b4SIdo Schimmel } 21183922285dSArkadi Sharshevsky 21193922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21203922285dSArkadi Sharshevsky unsigned long flags, 2121078bbb85SVladimir Oltean unsigned long mask, 2122078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21233922285dSArkadi Sharshevsky { 21243922285dSArkadi Sharshevsky return 0; 21253922285dSArkadi Sharshevsky } 21266b26b51bSArkadi Sharshevsky 21278d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21288d23a54fSVladimir Oltean u16 flags, bool changed, 2129169327d5SPetr Machata struct netlink_ext_ack *extack) 2130d66e4348SPetr Machata { 2131d66e4348SPetr Machata return -EOPNOTSUPP; 2132d66e4348SPetr Machata } 2133d66e4348SPetr Machata 2134d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2135d66e4348SPetr Machata { 2136d66e4348SPetr Machata return -EOPNOTSUPP; 2137d66e4348SPetr Machata } 2138d66e4348SPetr Machata 21396b26b51bSArkadi Sharshevsky static inline void 21406eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21416eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21426b26b51bSArkadi Sharshevsky { 21436b26b51bSArkadi Sharshevsky } 2144f1c2eddfSIdo Schimmel 2145ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2146ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2147ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2148ae039350SVladimir Oltean int type) 2149ae039350SVladimir Oltean { 2150ae039350SVladimir Oltean } 2151ae039350SVladimir Oltean 2152f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2153f1c2eddfSIdo Schimmel { 2154f1c2eddfSIdo Schimmel } 215585826610STobias Waldekranz 215685826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 215785826610STobias Waldekranz { 215885826610STobias Waldekranz } 215985826610STobias Waldekranz 21606bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21616bc506b4SIdo Schimmel 2162057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2163821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2164057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2165057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2166ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2167ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2168ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 21691da177e4SLinus Torvalds #endif 2170