12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 3199b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 32f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 33d08c6bc0SNikolay Aleksandrov 3485826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3585826610STobias Waldekranz 369cde0708SStephen Hemminger #define BR_VERSION "2.3" 379cde0708SStephen Hemminger 38515853ccSstephen hemminger /* Control of forwarding link local multicast */ 39515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 40784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 415af48b59SNikolay Aleksandrov enum { 425af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 435af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 455af48b59SNikolay Aleksandrov }; 465af48b59SNikolay Aleksandrov 475af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 485af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 49f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 50f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 51515853ccSstephen hemminger 529cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 539cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 548cbb512eSStephen Hemminger 5531cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5631cbc39bSNikolay Aleksandrov 571da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 581da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 591da177e4SLinus Torvalds typedef __u16 port_id; 601da177e4SLinus Torvalds 611c1cb6d0SNikolay Aleksandrov struct bridge_id { 621da177e4SLinus Torvalds unsigned char prio[2]; 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661c1cb6d0SNikolay Aleksandrov struct mac_addr { 67e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 70cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 71cc0fdd80SLinus Lüssing /* our own querier */ 7290010b36SLinus Lüssing struct bridge_mcast_own_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing u32 startup_sent; 75cc0fdd80SLinus Lüssing }; 76cc0fdd80SLinus Lüssing 77cc0fdd80SLinus Lüssing /* other querier */ 7890010b36SLinus Lüssing struct bridge_mcast_other_query { 79cc0fdd80SLinus Lüssing struct timer_list timer; 80cc0fdd80SLinus Lüssing unsigned long delay_time; 81cc0fdd80SLinus Lüssing }; 82dc4eb53aSLinus Lüssing 83dc4eb53aSLinus Lüssing /* selected querier */ 84dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 85dc4eb53aSLinus Lüssing struct br_ip addr; 86bb18ef8eSNikolay Aleksandrov int port_ifidx; 87f936bb42SThomas Gleixner seqcount_spinlock_t seq; 88dc4eb53aSLinus Lüssing }; 891080ab95SNikolay Aleksandrov 901080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 911080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 921080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 931080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 941080ab95SNikolay Aleksandrov }; 95cb453926SIdo Schimmel 96b1c8fec8SIdo Schimmel struct br_mdb_src_entry { 97b1c8fec8SIdo Schimmel struct br_ip addr; 98b1c8fec8SIdo Schimmel }; 99b1c8fec8SIdo Schimmel 100cb453926SIdo Schimmel struct br_mdb_config { 101cb453926SIdo Schimmel struct net_bridge *br; 102cb453926SIdo Schimmel struct net_bridge_port *p; 103cb453926SIdo Schimmel struct br_mdb_entry *entry; 104cb453926SIdo Schimmel struct br_ip group; 105079afd66SIdo Schimmel bool src_entry; 106b1c8fec8SIdo Schimmel u8 filter_mode; 10761f21835SIdo Schimmel u16 nlflags; 108b1c8fec8SIdo Schimmel struct br_mdb_src_entry *src_entries; 109b1c8fec8SIdo Schimmel int num_src_entries; 1101d7b66a7SIdo Schimmel u8 rt_protocol; 111cb453926SIdo Schimmel }; 112cc0fdd80SLinus Lüssing #endif 113cc0fdd80SLinus Lüssing 1149632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 1159632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 1169632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1179632233eSNikolay Aleksandrov struct net_bridge_port *port; 118613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1199632233eSNikolay Aleksandrov 1209632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1219632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1229632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1239632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1249632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1259632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1269632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1279632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1289632233eSNikolay Aleksandrov unsigned char multicast_router; 129b57e8d87SPetr Machata u32 mdb_n_entries; 130b57e8d87SPetr Machata u32 mdb_max_entries; 1319632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1329632233eSNikolay Aleksandrov }; 1339632233eSNikolay Aleksandrov 134d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 135d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 136d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 137d3d065c0SNikolay Aleksandrov struct net_bridge *br; 138613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 139d3d065c0SNikolay Aleksandrov 140d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 141d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 142d3d065c0SNikolay Aleksandrov 1434d5b4e84SNikolay Aleksandrov u8 multicast_querier; 144d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 145d3d065c0SNikolay Aleksandrov u8 multicast_router; 146d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 147d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 148d3d065c0SNikolay Aleksandrov #endif 149d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 150d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 151d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 152d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 153d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 154d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 155d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 156d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 157d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 158d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 159d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 160d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 161d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 162d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 163d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 164d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 165d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 166d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 167d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 168d3d065c0SNikolay Aleksandrov }; 169d3d065c0SNikolay Aleksandrov 170efa5356bSRoopa Prabhu struct br_tunnel_info { 171efa5356bSRoopa Prabhu __be64 tunnel_id; 17258e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 173efa5356bSRoopa Prabhu }; 174efa5356bSRoopa Prabhu 1759d332e69SNikolay Aleksandrov /* private vlan flags */ 1769d332e69SNikolay Aleksandrov enum { 1779d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 17827973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1797b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1807b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1819d332e69SNikolay Aleksandrov }; 1829d332e69SNikolay Aleksandrov 1832594e906SNikolay Aleksandrov /** 1842594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1852594e906SNikolay Aleksandrov * 1862594e906SNikolay Aleksandrov * @vnode: rhashtable member 1872594e906SNikolay Aleksandrov * @vid: VLAN id 1882594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1899d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 190a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1916dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1922594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1932594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1942594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1952594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1962594e906SNikolay Aleksandrov * for this VLAN entry 197613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 198613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 199613d61dbSNikolay Aleksandrov * context 200ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 2012594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 2022594e906SNikolay Aleksandrov * @rcu: used for entry destruction 2032594e906SNikolay Aleksandrov * 2042594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 2052594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 2062594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 2072594e906SNikolay Aleksandrov * the entry flags that are set. 2082594e906SNikolay Aleksandrov */ 2092594e906SNikolay Aleksandrov struct net_bridge_vlan { 2102594e906SNikolay Aleksandrov struct rhash_head vnode; 211efa5356bSRoopa Prabhu struct rhash_head tnode; 2122594e906SNikolay Aleksandrov u16 vid; 2132594e906SNikolay Aleksandrov u16 flags; 2149d332e69SNikolay Aleksandrov u16 priv_flags; 215a580c76dSNikolay Aleksandrov u8 state; 216281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 217243a2e63SVlad Yasevich union { 218243a2e63SVlad Yasevich struct net_bridge *br; 2192594e906SNikolay Aleksandrov struct net_bridge_port *port; 2202594e906SNikolay Aleksandrov }; 2212594e906SNikolay Aleksandrov union { 22225127759SReshetova, Elena refcount_t refcnt; 2232594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2242594e906SNikolay Aleksandrov }; 225efa5356bSRoopa Prabhu 226efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 227efa5356bSRoopa Prabhu 228613d61dbSNikolay Aleksandrov union { 229613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 230613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 231613d61dbSNikolay Aleksandrov }; 232613d61dbSNikolay Aleksandrov 233ec7328b5STobias Waldekranz u16 msti; 234ec7328b5STobias Waldekranz 2352594e906SNikolay Aleksandrov struct list_head vlist; 2362594e906SNikolay Aleksandrov 237243a2e63SVlad Yasevich struct rcu_head rcu; 2382594e906SNikolay Aleksandrov }; 2392594e906SNikolay Aleksandrov 2402594e906SNikolay Aleksandrov /** 2412594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2422594e906SNikolay Aleksandrov * 2432594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2442594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2452594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 24677751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 247a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2482594e906SNikolay Aleksandrov * 2492594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2502594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2512594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2522594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2532594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2542594e906SNikolay Aleksandrov */ 2552594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2562594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 257efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2582594e906SNikolay Aleksandrov struct list_head vlan_list; 2596cbdceebSVlad Yasevich u16 num_vlans; 26077751ee8SNikolay Aleksandrov u16 pvid; 261a580c76dSNikolay Aleksandrov u8 pvid_state; 262243a2e63SVlad Yasevich }; 263243a2e63SVlad Yasevich 2646869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2656869c3b0SNikolay Aleksandrov enum { 2666869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 26729e63fffSNikolay Aleksandrov BR_FDB_STATIC, 268e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 269ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 270b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 271d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 27231cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 273a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 274a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2756869c3b0SNikolay Aleksandrov }; 2766869c3b0SNikolay Aleksandrov 277eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 278eb793583SNikolay Aleksandrov mac_addr addr; 279eb793583SNikolay Aleksandrov u16 vlan_id; 280eb793583SNikolay Aleksandrov }; 281eb793583SNikolay Aleksandrov 2821214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 283eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2841da177e4SLinus Torvalds struct net_bridge_port *dst; 2851da177e4SLinus Torvalds 286eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 287eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2886869c3b0SNikolay Aleksandrov unsigned long flags; 2891214628cSNikolay Aleksandrov 2901214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2911214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2921214628cSNikolay Aleksandrov unsigned long used; 2931214628cSNikolay Aleksandrov 294b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2951da177e4SLinus Torvalds }; 2961da177e4SLinus Torvalds 2971f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 2981f78ee14SNikolay Aleksandrov unsigned long flags; 2991f78ee14SNikolay Aleksandrov unsigned long flags_mask; 3001f78ee14SNikolay Aleksandrov int port_ifindex; 3011f78ee14SNikolay Aleksandrov u16 vlan_id; 3021f78ee14SNikolay Aleksandrov }; 3031f78ee14SNikolay Aleksandrov 3049d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 3059d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 3063247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 3078266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 3089116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 3099d06b6d8SElad Raz 3108b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 3118b671779SNikolay Aleksandrov 3128b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 3138b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 314b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 315a01ecb17SIdo Schimmel #define BR_SGRP_F_USER_ADDED BIT(3) 3168b671779SNikolay Aleksandrov 317e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 318e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 319e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 320e12cec65SNikolay Aleksandrov }; 321e12cec65SNikolay Aleksandrov 3228b671779SNikolay Aleksandrov struct net_bridge_group_src { 3238b671779SNikolay Aleksandrov struct hlist_node node; 3248b671779SNikolay Aleksandrov 3258b671779SNikolay Aleksandrov struct br_ip addr; 3268b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3278b671779SNikolay Aleksandrov u8 flags; 328438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3298b671779SNikolay Aleksandrov struct timer_list timer; 3308b671779SNikolay Aleksandrov 3318b671779SNikolay Aleksandrov struct net_bridge *br; 332e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3338b671779SNikolay Aleksandrov struct rcu_head rcu; 3348b671779SNikolay Aleksandrov }; 3358b671779SNikolay Aleksandrov 336085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 337eb1d1641SHerbert Xu struct net_bridge_port *port; 3388ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 339085b53c8SNikolay Aleksandrov }; 340085b53c8SNikolay Aleksandrov 341085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 342085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 343085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 344206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3459d06b6d8SElad Raz unsigned char flags; 3468b671779SNikolay Aleksandrov unsigned char filter_mode; 34742c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3488f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3496ec0d0eeSNikolay Aleksandrov 3508b671779SNikolay Aleksandrov struct hlist_head src_list; 3518b671779SNikolay Aleksandrov unsigned int src_ents; 3526ec0d0eeSNikolay Aleksandrov struct timer_list timer; 35342c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3546ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3558f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3568f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3576ec0d0eeSNikolay Aleksandrov 358085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 359e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3606ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 361eb1d1641SHerbert Xu }; 362eb1d1641SHerbert Xu 3631c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 36419e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 365eb1d1641SHerbert Xu struct net_bridge *br; 366e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3678ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 368ff0fd34eSAndrew Lunn bool host_joined; 3696ec0d0eeSNikolay Aleksandrov 3706ec0d0eeSNikolay Aleksandrov struct timer_list timer; 37119e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3726ec0d0eeSNikolay Aleksandrov 373e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3746ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 375eb1d1641SHerbert Xu }; 376eb1d1641SHerbert Xu 3771f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3781da177e4SLinus Torvalds struct net_bridge *br; 3791da177e4SLinus Torvalds struct net_device *dev; 380b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3811da177e4SLinus Torvalds struct list_head list; 3821da177e4SLinus Torvalds 3831f90c7f3SNikolay Aleksandrov unsigned long flags; 3841f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3851f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3861f90c7f3SNikolay Aleksandrov #endif 3872756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3881f90c7f3SNikolay Aleksandrov 3891da177e4SLinus Torvalds /* STP */ 3901da177e4SLinus Torvalds u8 priority; 3911da177e4SLinus Torvalds u8 state; 3921da177e4SLinus Torvalds u16 port_no; 3931da177e4SLinus Torvalds unsigned char topology_change_ack; 3941da177e4SLinus Torvalds unsigned char config_pending; 3951da177e4SLinus Torvalds port_id port_id; 3961da177e4SLinus Torvalds port_id designated_port; 3971da177e4SLinus Torvalds bridge_id designated_root; 3981da177e4SLinus Torvalds bridge_id designated_bridge; 3991da177e4SLinus Torvalds u32 path_cost; 4001da177e4SLinus Torvalds u32 designated_cost; 4010c03150eSstephen hemminger unsigned long designated_age; 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvalds struct timer_list forward_delay_timer; 4041da177e4SLinus Torvalds struct timer_list hold_timer; 4051da177e4SLinus Torvalds struct timer_list message_age_timer; 4061da177e4SLinus Torvalds struct kobject kobj; 4071da177e4SLinus Torvalds struct rcu_head rcu; 4083982d3d2SFischer, Anna 4099632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 4109632233eSNikolay Aleksandrov 411eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 4129632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 4139632233eSNikolay Aleksandrov 41489268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 41589268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 416eb1d1641SHerbert Xu struct hlist_head mglist; 417eb1d1641SHerbert Xu #endif 418e0f43752SSimon Arlott 419e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 420e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 421e0f43752SSimon Arlott #endif 42291d2c34aSHerbert Xu 42391d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 42491d2c34aSHerbert Xu struct netpoll *np; 42591d2c34aSHerbert Xu #endif 4266bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 427f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 428f7cf972fSTobias Waldekranz * hardware domain. 429f7cf972fSTobias Waldekranz */ 430f7cf972fSTobias Waldekranz int hwdom; 4312f5dc00fSVladimir Oltean int offload_count; 4322f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4336bc506b4SIdo Schimmel #endif 4345af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4352756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 436de179966SVivien Didelot 437de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4381da177e4SLinus Torvalds }; 4391da177e4SLinus Torvalds 440705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 441705e0deaSTyler Hicks 442e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 443f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 444e028e4b8SVlad Yasevich 445b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 446b5ed54e9Sstephen hemminger { 447716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 448b5ed54e9Sstephen hemminger } 449b5ed54e9Sstephen hemminger 4501fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 451b5ed54e9Sstephen hemminger { 45235f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 453ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 454b5ed54e9Sstephen hemminger } 455b5ed54e9Sstephen hemminger 4560baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4570baa10ffSArkadi Sharshevsky { 45835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4590baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4600baa10ffSArkadi Sharshevsky } 4610baa10ffSArkadi Sharshevsky 462ae75767eSNikolay Aleksandrov enum net_bridge_opts { 463ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 464ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4658df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4668df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4678df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 468be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 46913cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 470675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 471675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 472675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 473c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4743341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4759163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 47670e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4779c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 478f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 479ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 480ae75767eSNikolay Aleksandrov }; 481ae75767eSNikolay Aleksandrov 4821f90c7f3SNikolay Aleksandrov struct net_bridge { 4831da177e4SLinus Torvalds spinlock_t lock; 4841f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 48590c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4861da177e4SLinus Torvalds struct net_device *dev; 487ae75767eSNikolay Aleksandrov unsigned long options; 4881f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4891f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4901f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4911f90c7f3SNikolay Aleksandrov u16 default_pvid; 4921f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4931f90c7f3SNikolay Aleksandrov #endif 4941f90c7f3SNikolay Aleksandrov 495eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 49690c628ddSHenrik Bjoernlund struct list_head port_list; 49734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 498efb6de9bSBernhard Thaler union { 4994adf0af6SSimon Wunderlich struct rtable fake_rtable; 500efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 501efb6de9bSBernhard Thaler }; 5024adf0af6SSimon Wunderlich #endif 503515853ccSstephen hemminger u16 group_fwd_mask; 504f2808d22SToshiaki Makita u16 group_fwd_mask_required; 505515853ccSstephen hemminger 5061da177e4SLinus Torvalds /* STP */ 5071da177e4SLinus Torvalds bridge_id designated_root; 5081da177e4SLinus Torvalds bridge_id bridge_id; 5091f90c7f3SNikolay Aleksandrov unsigned char topology_change; 5101f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 5111f90c7f3SNikolay Aleksandrov u16 root_port; 5121da177e4SLinus Torvalds unsigned long max_age; 5131da177e4SLinus Torvalds unsigned long hello_time; 5141da177e4SLinus Torvalds unsigned long forward_delay; 5151da177e4SLinus Torvalds unsigned long ageing_time; 51634d8acd8SVivien Didelot unsigned long bridge_max_age; 5171da177e4SLinus Torvalds unsigned long bridge_hello_time; 5181da177e4SLinus Torvalds unsigned long bridge_forward_delay; 51934d8acd8SVivien Didelot unsigned long bridge_ageing_time; 52035750b0bSNikolay Aleksandrov u32 root_path_cost; 5211da177e4SLinus Torvalds 522fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5239cde0708SStephen Hemminger 5249cde0708SStephen Hemminger enum { 5259cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5269cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5279cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5289cde0708SStephen Hemminger } stp_enabled; 5299cde0708SStephen Hemminger 530d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 531d3d065c0SNikolay Aleksandrov 532eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 533d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 534eb1d1641SHerbert Xu 535eb1d1641SHerbert Xu u32 hash_max; 536eb1d1641SHerbert Xu 53735750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 538eb1d1641SHerbert Xu 53919e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 540085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 54119e3a9c9SNikolay Aleksandrov 542e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 54319e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 544eb1d1641SHerbert Xu 545e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 546eb1d1641SHerbert Xu #endif 547eb1d1641SHerbert Xu 5481da177e4SLinus Torvalds struct timer_list hello_timer; 5491da177e4SLinus Torvalds struct timer_list tcn_timer; 5501da177e4SLinus Torvalds struct timer_list topology_change_timer; 551f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 55243b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 553e028e4b8SVlad Yasevich u32 auto_cnt; 5546bc506b4SIdo Schimmel 5556bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 556f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 557f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 558f7cf972fSTobias Waldekranz */ 559f7cf972fSTobias Waldekranz int last_hwdom; 56085826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 56185826610STobias Waldekranz unsigned long busy_hwdoms; 5626bc506b4SIdo Schimmel #endif 563eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5644b8d7d4cSHoratiu Vultur 5654b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5660169b820SHoratiu Vultur struct hlist_head mrp_list; 5674b8d7d4cSHoratiu Vultur #endif 568f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 569f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 570f323aa54SHenrik Bjoernlund #endif 5711da177e4SLinus Torvalds }; 5721da177e4SLinus Torvalds 57368b7c895SHerbert Xu struct br_input_skb_cb { 57468b7c895SHerbert Xu struct net_device *brdev; 57593fdd47eSHerbert Xu 5763c171f49SPablo Neira Ayuso u16 frag_max_size; 57732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 578f12064d1SFlorian Westphal u8 igmp; 579f12064d1SFlorian Westphal u8 mrouters_only:1; 58032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 581f12064d1SFlorian Westphal u8 proxyarp_replied:1; 582f12064d1SFlorian Westphal u8 src_port_isolated:1; 58320adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 584f12064d1SFlorian Westphal u8 vlan_filtered:1; 58520adfa1aSVlad Yasevich #endif 586223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 587223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 588223fd0adSFlorian Westphal #endif 5896bc506b4SIdo Schimmel 5906bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 59147211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 59247211192STobias Waldekranz * hardware domain. 59347211192STobias Waldekranz */ 59447211192STobias Waldekranz u8 tx_fwd_offload:1; 595f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 596f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 597f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 598f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 599f7cf972fSTobias Waldekranz */ 600f7cf972fSTobias Waldekranz int src_hwdom; 60147211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 60247211192STobias Waldekranz * transmitted using the TX data plane offload. 60347211192STobias Waldekranz */ 60447211192STobias Waldekranz unsigned long fwd_hwdoms; 6056bc506b4SIdo Schimmel #endif 60668b7c895SHerbert Xu }; 60768b7c895SHerbert Xu 60868b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 60968b7c895SHerbert Xu 61032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 61132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 61232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 61332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 61432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 61532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 61628a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 61728a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 61828a16c97Sstephen hemminger 61928a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 62028a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 62128a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 62228a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 62328a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 62428a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 62528a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 62628a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 62728a16c97Sstephen hemminger 62828a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 62928a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 63028a16c97Sstephen hemminger 6311da177e4SLinus Torvalds /* called under bridge lock */ 6321da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6331da177e4SLinus Torvalds { 6341da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6351da177e4SLinus Torvalds } 6361da177e4SLinus Torvalds 6372594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6382594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6392594e906SNikolay Aleksandrov { 6402594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6412594e906SNikolay Aleksandrov } 6422594e906SNikolay Aleksandrov 6432594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6442594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6452594e906SNikolay Aleksandrov { 6462594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6472594e906SNikolay Aleksandrov } 6482594e906SNikolay Aleksandrov 6496be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6502594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6512594e906SNikolay Aleksandrov { 6522594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6532594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6542594e906SNikolay Aleksandrov return true; 6552594e906SNikolay Aleksandrov else 6562594e906SNikolay Aleksandrov return false; 6572594e906SNikolay Aleksandrov } 6582594e906SNikolay Aleksandrov 6592594e906SNikolay Aleksandrov return true; 6602594e906SNikolay Aleksandrov } 6612594e906SNikolay Aleksandrov 6625d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6635d1fcaf3SNikolay Aleksandrov { 6645d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6655d1fcaf3SNikolay Aleksandrov } 6665d1fcaf3SNikolay Aleksandrov 6678f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6685a46facbSNikolay Aleksandrov { 6698f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6708f4cc940SNikolay Aleksandrov 6718f4cc940SNikolay Aleksandrov if (!ret) 6728f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6738f4cc940SNikolay Aleksandrov 6748f4cc940SNikolay Aleksandrov return ret; 6755a46facbSNikolay Aleksandrov } 6765a46facbSNikolay Aleksandrov 6775a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6788f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6798f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6805a46facbSNikolay Aleksandrov { 6815a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6828f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6838f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6845a46facbSNikolay Aleksandrov return false; 6858f4cc940SNikolay Aleksandrov } 6865a46facbSNikolay Aleksandrov 6875a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6885a46facbSNikolay Aleksandrov * - it has range start flag 6895a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6905a46facbSNikolay Aleksandrov */ 6915a46facbSNikolay Aleksandrov if (last) { 6928f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6938f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6945a46facbSNikolay Aleksandrov return false; 6958f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6968f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6978f4cc940SNikolay Aleksandrov return false; 6988f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6998f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 7008f4cc940SNikolay Aleksandrov return false; 7018f4cc940SNikolay Aleksandrov } 7028f4cc940SNikolay Aleksandrov } 7038f4cc940SNikolay Aleksandrov 7048f4cc940SNikolay Aleksandrov /* check for required range flags */ 7058f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 7068f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 7078f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 7085a46facbSNikolay Aleksandrov return false; 7095a46facbSNikolay Aleksandrov } 7105a46facbSNikolay Aleksandrov 7115a46facbSNikolay Aleksandrov return true; 7125a46facbSNikolay Aleksandrov } 7135a46facbSNikolay Aleksandrov 7142796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 7152796d846SNikolay Aleksandrov { 7162796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 7172796d846SNikolay Aleksandrov 7182796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 7192796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7202796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7212796d846SNikolay Aleksandrov else 7222796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7232796d846SNikolay Aleksandrov #endif 7242796d846SNikolay Aleksandrov 7252796d846SNikolay Aleksandrov return mcast_router; 7262796d846SNikolay Aleksandrov } 7272796d846SNikolay Aleksandrov 728f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 729f545923bSNikolay Aleksandrov { 730f545923bSNikolay Aleksandrov switch (cmd) { 731f545923bSNikolay Aleksandrov case RTM_SETLINK: 732f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 733f545923bSNikolay Aleksandrov case RTM_DELLINK: 734f545923bSNikolay Aleksandrov return RTM_DELVLAN; 735f545923bSNikolay Aleksandrov } 736f545923bSNikolay Aleksandrov 737f545923bSNikolay Aleksandrov return 0; 738f545923bSNikolay Aleksandrov } 739f545923bSNikolay Aleksandrov 740ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 741ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 742ae75767eSNikolay Aleksandrov { 743ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 744ae75767eSNikolay Aleksandrov } 745ae75767eSNikolay Aleksandrov 746a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 747a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 748a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 749a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 750a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 751a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 752a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 753a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 754ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 755ae75767eSNikolay Aleksandrov 7561da177e4SLinus Torvalds /* br_device.c */ 757348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 758348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 759348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 760cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 76191d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 76291d2c34aSHerbert Xu struct sk_buff *skb) 76391d2c34aSHerbert Xu { 764f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 76591d2c34aSHerbert Xu } 76691d2c34aSHerbert Xu 767a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 768348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 76991d2c34aSHerbert Xu #else 7709f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 77191d2c34aSHerbert Xu struct sk_buff *skb) 77291d2c34aSHerbert Xu { 77391d2c34aSHerbert Xu } 77491d2c34aSHerbert Xu 775a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 77691d2c34aSHerbert Xu { 77791d2c34aSHerbert Xu return 0; 77891d2c34aSHerbert Xu } 77991d2c34aSHerbert Xu 78091d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 78191d2c34aSHerbert Xu { 78291d2c34aSHerbert Xu } 783cfb478daSstephen hemminger #endif 7841da177e4SLinus Torvalds 7851da177e4SLinus Torvalds /* br_fdb.c */ 786564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 787564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 788564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 789564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 790564445fbSNikolay Aleksandrov 791348662a1SJoe Perches int br_fdb_init(void); 792348662a1SJoe Perches void br_fdb_fini(void); 793eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 794eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 7951f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 7961f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 797424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 798424bb9c9SToshiaki Makita const struct net_bridge_port *p, 799424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 800348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 801348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 802f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 803348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 8041ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 805bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 806bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 807bfd0aeacSNikolay Aleksandrov __u16 vid); 808348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 809348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 810348662a1SJoe Perches unsigned long off); 811f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 812348662a1SJoe Perches const unsigned char *addr, u16 vid); 813348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 814be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 81577162022SJohn Fastabend 816348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 817ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 818ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 819edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 820edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 821edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 822348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 82387b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 82487b0984eSPetr Machata struct netlink_ext_ack *extack); 825348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 826d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 82747674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 82847674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 82947674562SRoopa Prabhu struct netlink_ext_ack *extack); 8308db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8318db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8323aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 83345a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 83427fabd02SHans J. Schultz bool locked, bool swdev_notify); 8353aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 836161d82deSPetr Machata const unsigned char *addr, u16 vid, 837161d82deSPetr Machata bool swdev_notify); 8389fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 839e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8401da177e4SLinus Torvalds 8411da177e4SLinus Torvalds /* br_forward.c */ 8428addd5e7SNikolay Aleksandrov enum br_pkt_type { 8438addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8448addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8458addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8468addd5e7SNikolay Aleksandrov }; 8470c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 848b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 84937b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8500c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 85137b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8528addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8531da177e4SLinus Torvalds 8547d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8557d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8567d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8577d850abdSNikolay Aleksandrov { 8587d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8597d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8607d850abdSNikolay Aleksandrov } 8617d850abdSNikolay Aleksandrov 8621da177e4SLinus Torvalds /* br_if.c */ 863faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 864348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 865348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 866ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 867ca752be0SDavid Ahern struct netlink_ext_ack *extack); 868348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 869804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 870348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 871c8f44affSMichał Mirosław netdev_features_t features); 872e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8732796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8742756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8751da177e4SLinus Torvalds 8761da177e4SLinus Torvalds /* br_input.c */ 8770c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8789eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8791da177e4SLinus Torvalds 88090c628ddSHenrik Bjoernlund struct br_frame_type { 88190c628ddSHenrik Bjoernlund __be16 type; 88290c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 88390c628ddSHenrik Bjoernlund struct sk_buff *skb); 88490c628ddSHenrik Bjoernlund struct hlist_node list; 88590c628ddSHenrik Bjoernlund }; 88690c628ddSHenrik Bjoernlund 88790c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 88890c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 88990c628ddSHenrik Bjoernlund 890859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 891859828c0SJiri Pirko { 8929eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 893859828c0SJiri Pirko } 894859828c0SJiri Pirko 8954d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8964d4fd361SPetr Machata { 8979eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8984d4fd361SPetr Machata } 8994d4fd361SPetr Machata 900859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 901859828c0SJiri Pirko { 902859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 903859828c0SJiri Pirko } 904859828c0SJiri Pirko 9054d4fd361SPetr Machata static inline struct net_bridge_port * 9064d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 9074d4fd361SPetr Machata { 9084d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 9094d4fd361SPetr Machata } 9104d4fd361SPetr Machata 9111da177e4SLinus Torvalds /* br_ioctl.c */ 912561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 913561d8352SArnd Bergmann void __user *data, int cmd); 914ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 915ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 9161da177e4SLinus Torvalds 917eb1d1641SHerbert Xu /* br_multicast.c */ 918eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 919f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 920f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 921f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 922fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 923adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 924eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9251080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 926348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 927348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 928348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 929348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 930851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 931851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 932348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 933348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 934e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 935adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 936adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 937adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 938a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 939a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 940a53581d5SNikolay Aleksandrov unsigned long val); 9412796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 942ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 943ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 94462938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 945348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 946df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 947df271cd6SNikolay Aleksandrov unsigned long val); 948aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 949df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 950df271cd6SNikolay Aleksandrov unsigned long val); 951aa2ae3e7SNikolay Aleksandrov #endif 952348662a1SJoe Perches struct net_bridge_mdb_entry * 95319e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 954348662a1SJoe Perches struct net_bridge_mdb_entry * 95519e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 956348662a1SJoe Perches struct net_bridge_port_group * 957f86c3e2cSIdo Schimmel br_multicast_new_port_group(struct net_bridge_port *port, 958f86c3e2cSIdo Schimmel const struct br_ip *group, 959762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9608b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 96160977a0cSPetr Machata u8 filter_mode, u8 rt_protocol, 96260977a0cSPetr Machata struct netlink_ext_ack *extack); 963976b3858SPetr Machata void br_multicast_del_port_group(struct net_bridge_port_group *p); 96419e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 96519e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 96681f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 96781f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9681e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 969949f1e39SSatish Ashok int type); 970681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 971681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 972681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 973adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 974adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 975a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9761080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 977b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9781080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9791080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9801080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 981a1aee20dSPetr Machata u32 br_multicast_ngroups_get(const struct net_bridge_mcast_port *pmctx); 982a1aee20dSPetr Machata void br_multicast_ngroups_set_max(struct net_bridge_mcast_port *pmctx, u32 max); 983a1aee20dSPetr Machata u32 br_multicast_ngroups_get_max(const struct net_bridge_mcast_port *pmctx); 984*cc7f5022SIdo Schimmel int br_mdb_add(struct net_device *dev, struct nlattr *tb[], u16 nlmsg_flags, 985c009de10SIdo Schimmel struct netlink_ext_ack *extack); 986*cc7f5022SIdo Schimmel int br_mdb_del(struct net_device *dev, struct nlattr *tb[], 987c009de10SIdo Schimmel struct netlink_ext_ack *extack); 988*cc7f5022SIdo Schimmel int br_mdb_dump(struct net_device *dev, struct sk_buff *skb, 989c009de10SIdo Schimmel struct netlink_callback *cb); 99058d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 99158d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9921bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9938266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9948266a049SNikolay Aleksandrov u8 filter_mode); 9958266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9968266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 997474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 998474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 999fd0c6961SIdo Schimmel struct net_bridge_group_src * 1000fd0c6961SIdo Schimmel br_multicast_new_group_src(struct net_bridge_port_group *pg, 1001fd0c6961SIdo Schimmel struct br_ip *src_ip); 1002083e3534SIdo Schimmel void __br_multicast_del_group_src(struct net_bridge_group_src *src); 1003d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 1004d5a10222SNikolay Aleksandrov bool fastleave); 1005613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 1006613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1007613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 1008613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 1009613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 1010613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1011613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 1012613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 10137b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 1014f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 1015f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 10169dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 101785b35269SSridhar Samudrala 1018dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 1019dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 1020c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 1021c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 1022c7fa1d9bSNikolay Aleksandrov int nest_attr); 1023c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 102405d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 102599b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 102699b40610SNikolay Aleksandrov unsigned long val); 1027f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 1028f83a112bSNikolay Aleksandrov unsigned long val); 10294e51bf44SVladimir Oltean 1030955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 1031955062b0SNikolay Aleksandrov { 1032955062b0SNikolay Aleksandrov return group->proto == 0; 1033955062b0SNikolay Aleksandrov } 1034955062b0SNikolay Aleksandrov 1035cfd56754SCong Wang #define mlock_dereference(X, br) \ 1036cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1037cfd56754SCong Wang 103844ebb081SLinus Lüssing static inline struct hlist_node * 1039adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1040adc47037SNikolay Aleksandrov struct sk_buff *skb) 1041d3d065c0SNikolay Aleksandrov { 1042a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1043a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1044d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1045a3c02e76SLinus Lüssing #endif 1046d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 104744ebb081SLinus Lüssing } 104844ebb081SLinus Lüssing 104944ebb081SLinus Lüssing static inline struct net_bridge_port * 1050d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1051d3d065c0SNikolay Aleksandrov { 10529632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10539632233eSNikolay Aleksandrov 1054a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1055a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10569632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10579632233eSNikolay Aleksandrov ip6_rlist); 10589632233eSNikolay Aleksandrov else 1059a3c02e76SLinus Lüssing #endif 10609632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10619632233eSNikolay Aleksandrov ip4_rlist); 10629632233eSNikolay Aleksandrov 10639632233eSNikolay Aleksandrov if (mctx) 10649632233eSNikolay Aleksandrov return mctx->port; 10659632233eSNikolay Aleksandrov else 10669632233eSNikolay Aleksandrov return NULL; 106744ebb081SLinus Lüssing } 106844ebb081SLinus Lüssing 1069d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 107085b35269SSridhar Samudrala { 1071d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10721a3065a2SLinus Lüssing } 10731a3065a2SLinus Lüssing 1074d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10751a3065a2SLinus Lüssing { 10761a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1077d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10781a3065a2SLinus Lüssing #else 10791a3065a2SLinus Lüssing return false; 10801a3065a2SLinus Lüssing #endif 10811a3065a2SLinus Lüssing } 10821a3065a2SLinus Lüssing 10831a3065a2SLinus Lüssing static inline bool 1084adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10851a3065a2SLinus Lüssing { 1086d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10871a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10881a3065a2SLinus Lüssing return true; 10891a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10901a3065a2SLinus Lüssing if (skb) { 10911a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1092d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10931a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1094d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10951a3065a2SLinus Lüssing } else { 1096d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1097d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10981a3065a2SLinus Lüssing } 10991a3065a2SLinus Lüssing fallthrough; 11001a3065a2SLinus Lüssing default: 11011a3065a2SLinus Lüssing return false; 11021a3065a2SLinus Lüssing } 110385b35269SSridhar Samudrala } 1104b00589afSLinus Lüssing 1105cc0fdd80SLinus Lüssing static inline bool 1106adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 11070888d5f3Sdaniel struct bridge_mcast_other_query *querier, 11080888d5f3Sdaniel const bool is_ipv6) 1109b00589afSLinus Lüssing { 11100888d5f3Sdaniel bool own_querier_enabled; 11110888d5f3Sdaniel 111262938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1113adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 11140888d5f3Sdaniel own_querier_enabled = false; 11150888d5f3Sdaniel else 11160888d5f3Sdaniel own_querier_enabled = true; 11170888d5f3Sdaniel } else { 11180888d5f3Sdaniel own_querier_enabled = false; 11190888d5f3Sdaniel } 11200888d5f3Sdaniel 1121cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 11220888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1123cc0fdd80SLinus Lüssing } 1124cc0fdd80SLinus Lüssing 1125adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1126955062b0SNikolay Aleksandrov struct ethhdr *eth, 1127955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1128cc0fdd80SLinus Lüssing { 1129cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1130cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1131adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1132adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1133cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1134cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1135adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1136adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1137cc0fdd80SLinus Lüssing #endif 1138cc0fdd80SLinus Lüssing default: 1139955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1140cc0fdd80SLinus Lüssing } 1141b00589afSLinus Lüssing } 11421080ab95SNikolay Aleksandrov 114388d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 114488d4bd18SNikolay Aleksandrov { 114588d4bd18SNikolay Aleksandrov switch (ip->proto) { 114688d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 114788d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 114888d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 114988d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 115088d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 115188d4bd18SNikolay Aleksandrov #endif 115288d4bd18SNikolay Aleksandrov default: 115388d4bd18SNikolay Aleksandrov return false; 115488d4bd18SNikolay Aleksandrov } 115588d4bd18SNikolay Aleksandrov } 115688d4bd18SNikolay Aleksandrov 1157adc47037SNikolay Aleksandrov static inline bool 1158adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11598266a049SNikolay Aleksandrov __be16 proto) 11608266a049SNikolay Aleksandrov { 11618266a049SNikolay Aleksandrov switch (proto) { 11628266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1163adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11648266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11658266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1166adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11678266a049SNikolay Aleksandrov #endif 11688266a049SNikolay Aleksandrov default: 11698266a049SNikolay Aleksandrov return false; 11708266a049SNikolay Aleksandrov } 11718266a049SNikolay Aleksandrov } 11728266a049SNikolay Aleksandrov 11731080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11741080ab95SNikolay Aleksandrov { 11751080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11761080ab95SNikolay Aleksandrov } 117742c11ccfSNikolay Aleksandrov 1178adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 117942c11ccfSNikolay Aleksandrov { 1180adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1181adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 118242c11ccfSNikolay Aleksandrov } 11830436862eSNikolay Aleksandrov 1184adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11850436862eSNikolay Aleksandrov { 1186fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11870436862eSNikolay Aleksandrov } 11887b54aaafSNikolay Aleksandrov 11897b54aaafSNikolay Aleksandrov static inline bool 11907b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11917b54aaafSNikolay Aleksandrov { 11927b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11937b54aaafSNikolay Aleksandrov } 11947b54aaafSNikolay Aleksandrov 11957b54aaafSNikolay Aleksandrov static inline bool 11967b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11977b54aaafSNikolay Aleksandrov { 11987b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11997b54aaafSNikolay Aleksandrov } 12007b54aaafSNikolay Aleksandrov 12017b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 12027b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 12037b54aaafSNikolay Aleksandrov { 12047b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 12057b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 12067b54aaafSNikolay Aleksandrov else 12077b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 12087b54aaafSNikolay Aleksandrov } 12097b54aaafSNikolay Aleksandrov 12107b54aaafSNikolay Aleksandrov static inline bool 12117b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 12127b54aaafSNikolay Aleksandrov { 1213168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1214168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1215168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 12167b54aaafSNikolay Aleksandrov } 12177b54aaafSNikolay Aleksandrov 12187b54aaafSNikolay Aleksandrov static inline bool 12197b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 12207b54aaafSNikolay Aleksandrov { 12217b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 12227b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12237b54aaafSNikolay Aleksandrov } 12247b54aaafSNikolay Aleksandrov 12257b54aaafSNikolay Aleksandrov static inline bool 12267b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 12277b54aaafSNikolay Aleksandrov { 12287b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 12297b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12307b54aaafSNikolay Aleksandrov } 12314cdd0d10SNikolay Aleksandrov 12324cdd0d10SNikolay Aleksandrov static inline bool 12334cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12344cdd0d10SNikolay Aleksandrov { 12354cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12364cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12374cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12384cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12394cdd0d10SNikolay Aleksandrov } 12404cdd0d10SNikolay Aleksandrov 12414cdd0d10SNikolay Aleksandrov static inline bool 12424cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12434cdd0d10SNikolay Aleksandrov { 12444cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12454cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12464cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12474cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12484cdd0d10SNikolay Aleksandrov } 1249df271cd6SNikolay Aleksandrov 1250df271cd6SNikolay Aleksandrov static inline bool 1251dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1252dc002875SNikolay Aleksandrov { 1253dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1254dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1255dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1256dc002875SNikolay Aleksandrov #else 1257dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1258dc002875SNikolay Aleksandrov #endif 1259dc002875SNikolay Aleksandrov } 1260dc002875SNikolay Aleksandrov 1261dc002875SNikolay Aleksandrov static inline bool 1262df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1263df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1264df271cd6SNikolay Aleksandrov { 1265df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1266df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1267931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1268931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 126950725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 127050725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 127177f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 127277f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12732da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12742da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1275cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1276cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1277d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1278d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 127942521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 128042521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1281941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1282941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 128362938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1284a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1285dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1286dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1287df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1288df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1289df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1290df271cd6SNikolay Aleksandrov #endif 1291df271cd6SNikolay Aleksandrov true; 1292df271cd6SNikolay Aleksandrov } 1293cb486ce9SNikolay Aleksandrov 1294cb486ce9SNikolay Aleksandrov static inline bool 1295cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1296cb486ce9SNikolay Aleksandrov { 1297cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1298cb486ce9SNikolay Aleksandrov 1299cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1300cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1301cb486ce9SNikolay Aleksandrov 1302cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1303cb486ce9SNikolay Aleksandrov } 1304eb1d1641SHerbert Xu #else 1305f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1306f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1307f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 130806499098SVlad Yasevich struct sk_buff *skb, 130906499098SVlad Yasevich u16 vid) 1310eb1d1641SHerbert Xu { 1311eb1d1641SHerbert Xu return 0; 1312eb1d1641SHerbert Xu } 1313eb1d1641SHerbert Xu 1314adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1315fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1316eb1d1641SHerbert Xu { 1317eb1d1641SHerbert Xu return NULL; 1318eb1d1641SHerbert Xu } 1319eb1d1641SHerbert Xu 13201080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1321eb1d1641SHerbert Xu { 13221080ab95SNikolay Aleksandrov return 0; 1323eb1d1641SHerbert Xu } 1324eb1d1641SHerbert Xu 1325eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1326eb1d1641SHerbert Xu { 1327eb1d1641SHerbert Xu } 1328eb1d1641SHerbert Xu 1329eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1330eb1d1641SHerbert Xu { 1331eb1d1641SHerbert Xu } 1332eb1d1641SHerbert Xu 1333eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1334eb1d1641SHerbert Xu { 1335eb1d1641SHerbert Xu } 1336eb1d1641SHerbert Xu 1337eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1338eb1d1641SHerbert Xu { 1339eb1d1641SHerbert Xu } 1340eb1d1641SHerbert Xu 1341851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1342851d0a73SJoseph Huang { 1343851d0a73SJoseph Huang } 1344851d0a73SJoseph Huang 1345851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1346851d0a73SJoseph Huang { 1347851d0a73SJoseph Huang } 1348851d0a73SJoseph Huang 1349eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1350eb1d1641SHerbert Xu { 1351eb1d1641SHerbert Xu } 1352eb1d1641SHerbert Xu 1353eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1354eb1d1641SHerbert Xu { 1355eb1d1641SHerbert Xu } 13565cb5e947SHerbert Xu 1357a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1358a7ce45a7SNikolay Aleksandrov { 1359a7ce45a7SNikolay Aleksandrov } 1360a7ce45a7SNikolay Aleksandrov 136137b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 136237b090e6SNikolay Aleksandrov struct sk_buff *skb, 1363adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 136437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13655cb5e947SHerbert Xu { 13665cb5e947SHerbert Xu } 13675cb5e947SHerbert Xu 1368adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1369bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1370eb1d1641SHerbert Xu { 137103aaa9e2SGustavo A. R. Silva return false; 1372eb1d1641SHerbert Xu } 137337b090e6SNikolay Aleksandrov 1374adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1375c43fd36fSVladimir Oltean struct ethhdr *eth, 1376c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1377b00589afSLinus Lüssing { 1378b00589afSLinus Lüssing return false; 1379b00589afSLinus Lüssing } 138037b090e6SNikolay Aleksandrov 1381*cc7f5022SIdo Schimmel static inline int br_mdb_add(struct net_device *dev, struct nlattr *tb[], 1382*cc7f5022SIdo Schimmel u16 nlmsg_flags, struct netlink_ext_ack *extack) 1383*cc7f5022SIdo Schimmel { 1384*cc7f5022SIdo Schimmel return -EOPNOTSUPP; 1385*cc7f5022SIdo Schimmel } 1386*cc7f5022SIdo Schimmel 1387*cc7f5022SIdo Schimmel static inline int br_mdb_del(struct net_device *dev, struct nlattr *tb[], 1388c009de10SIdo Schimmel struct netlink_ext_ack *extack) 1389c009de10SIdo Schimmel { 1390c009de10SIdo Schimmel return -EOPNOTSUPP; 1391c009de10SIdo Schimmel } 1392c009de10SIdo Schimmel 1393*cc7f5022SIdo Schimmel static inline int br_mdb_dump(struct net_device *dev, struct sk_buff *skb, 1394c009de10SIdo Schimmel struct netlink_callback *cb) 1395c009de10SIdo Schimmel { 1396c009de10SIdo Schimmel return 0; 1397c009de10SIdo Schimmel } 1398c009de10SIdo Schimmel 139919e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 140019e3a9c9SNikolay Aleksandrov { 140119e3a9c9SNikolay Aleksandrov return 0; 140219e3a9c9SNikolay Aleksandrov } 140319e3a9c9SNikolay Aleksandrov 140419e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 140519e3a9c9SNikolay Aleksandrov { 140619e3a9c9SNikolay Aleksandrov } 140719e3a9c9SNikolay Aleksandrov 14081080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 14091080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1410a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1411a65056ecSNikolay Aleksandrov u8 type, u8 dir) 14121080ab95SNikolay Aleksandrov { 14131080ab95SNikolay Aleksandrov } 14141080ab95SNikolay Aleksandrov 14151080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 14161080ab95SNikolay Aleksandrov { 14171080ab95SNikolay Aleksandrov return 0; 14181080ab95SNikolay Aleksandrov } 14191080ab95SNikolay Aleksandrov 1420b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1421b6fe0440SIdo Schimmel { 1422b6fe0440SIdo Schimmel } 1423b6fe0440SIdo Schimmel 14241080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 14251080ab95SNikolay Aleksandrov { 14261080ab95SNikolay Aleksandrov return 0; 14271080ab95SNikolay Aleksandrov } 1428613d61dbSNikolay Aleksandrov 1429613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1430613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1431613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1432613d61dbSNikolay Aleksandrov { 1433613d61dbSNikolay Aleksandrov } 1434613d61dbSNikolay Aleksandrov 1435613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1436613d61dbSNikolay Aleksandrov { 1437613d61dbSNikolay Aleksandrov } 1438613d61dbSNikolay Aleksandrov 1439613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1440613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1441613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1442613d61dbSNikolay Aleksandrov { 1443613d61dbSNikolay Aleksandrov } 1444613d61dbSNikolay Aleksandrov 1445613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1446613d61dbSNikolay Aleksandrov { 1447613d61dbSNikolay Aleksandrov } 14487b54aaafSNikolay Aleksandrov 14497b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14507b54aaafSNikolay Aleksandrov bool on) 14517b54aaafSNikolay Aleksandrov { 14527b54aaafSNikolay Aleksandrov } 1453f4b7002aSNikolay Aleksandrov 1454f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1455f4b7002aSNikolay Aleksandrov bool on, 1456f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1457f4b7002aSNikolay Aleksandrov { 1458f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1459f4b7002aSNikolay Aleksandrov } 14609dee572cSNikolay Aleksandrov 14619dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14629dee572cSNikolay Aleksandrov bool on) 14639dee572cSNikolay Aleksandrov { 14649dee572cSNikolay Aleksandrov return false; 14659dee572cSNikolay Aleksandrov } 14664e51bf44SVladimir Oltean 1467df271cd6SNikolay Aleksandrov static inline bool 1468df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1469df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1470df271cd6SNikolay Aleksandrov { 1471df271cd6SNikolay Aleksandrov return true; 1472df271cd6SNikolay Aleksandrov } 147385b35269SSridhar Samudrala #endif 1474eb1d1641SHerbert Xu 1475243a2e63SVlad Yasevich /* br_vlan.c */ 1476243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 147777751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 147877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1479f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1480f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 148177751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 148285f46c6bSVlad Yasevich const struct sk_buff *skb); 1483e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1484348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 148511538d03SRoopa Prabhu const struct net_bridge_port *port, 14862594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 148778851988SVlad Yasevich struct sk_buff *skb); 1488f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1489169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1490348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1491348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14922594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1493204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14949e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14959e781401SVladimir Oltean struct netlink_ext_ack *extack); 1496dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1497dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14989e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14999e781401SVladimir Oltean struct netlink_ext_ack *extack); 15006dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 15019163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 15025be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 15039e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 15049e781401SVladimir Oltean struct netlink_ext_ack *extack); 1505169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1506169327d5SPetr Machata struct netlink_ext_ack *extack); 1507f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1508169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1509348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1510348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1511169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 15122594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1513a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1514281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 15159c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1516091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 15179c0ec2e7SMike Manning void *ptr); 15188dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 15198dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1520cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1521cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1522cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1523cf5bddb9SNikolay Aleksandrov int cmd); 1524a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1525a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1526a37b85c9SVlad Yasevich 1527bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1528bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1529bcf2766bSFelix Fietkau struct net_device_path *path); 1530bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1531bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1532bcf2766bSFelix Fietkau struct net_device_path *path); 1533bcf2766bSFelix Fietkau 15342594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1535a37b85c9SVlad Yasevich const struct net_bridge *br) 1536a37b85c9SVlad Yasevich { 1537907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1538a37b85c9SVlad Yasevich } 1539a37b85c9SVlad Yasevich 15402594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1541a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1542a37b85c9SVlad Yasevich { 1543907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1544907b1e6eSNikolay Aleksandrov } 1545907b1e6eSNikolay Aleksandrov 1546907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1547907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1548907b1e6eSNikolay Aleksandrov { 1549907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1550907b1e6eSNikolay Aleksandrov } 1551907b1e6eSNikolay Aleksandrov 1552907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1553907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1554907b1e6eSNikolay Aleksandrov { 1555907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1556a37b85c9SVlad Yasevich } 1557a37b85c9SVlad Yasevich 1558a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1559a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1560a37b85c9SVlad Yasevich */ 1561a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1562a37b85c9SVlad Yasevich { 1563a37b85c9SVlad Yasevich int err = 0; 1564a37b85c9SVlad Yasevich 15652594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15665978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15672594e906SNikolay Aleksandrov } else { 1568a37b85c9SVlad Yasevich *vid = 0; 1569a37b85c9SVlad Yasevich err = -EINVAL; 1570a37b85c9SVlad Yasevich } 1571a37b85c9SVlad Yasevich 1572a37b85c9SVlad Yasevich return err; 1573a37b85c9SVlad Yasevich } 157478851988SVlad Yasevich 157577751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 157678851988SVlad Yasevich { 157777751ee8SNikolay Aleksandrov if (!vg) 15785be5a2dfSVlad Yasevich return 0; 15795be5a2dfSVlad Yasevich 158078851988SVlad Yasevich smp_rmb(); 158177751ee8SNikolay Aleksandrov return vg->pvid; 158278851988SVlad Yasevich } 158378851988SVlad Yasevich 15848dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15858dcea187SNikolay Aleksandrov { 15868dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15878dcea187SNikolay Aleksandrov } 1588243a2e63SVlad Yasevich #else 158977751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 159077751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15912594e906SNikolay Aleksandrov struct sk_buff *skb, 1592f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1593f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1594f4b7002aSNikolay Aleksandrov 15952594e906SNikolay Aleksandrov { 1596f4b7002aSNikolay Aleksandrov *vlan = NULL; 15972594e906SNikolay Aleksandrov return true; 15982594e906SNikolay Aleksandrov } 15992594e906SNikolay Aleksandrov 16002594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 160185f46c6bSVlad Yasevich const struct sk_buff *skb) 160285f46c6bSVlad Yasevich { 160385f46c6bSVlad Yasevich return true; 160485f46c6bSVlad Yasevich } 160585f46c6bSVlad Yasevich 1606e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1607e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1608e0d7968aSToshiaki Makita { 1609e0d7968aSToshiaki Makita return true; 1610e0d7968aSToshiaki Makita } 1611e0d7968aSToshiaki Makita 161278851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 161311538d03SRoopa Prabhu const struct net_bridge_port *port, 16142594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 161578851988SVlad Yasevich struct sk_buff *skb) 161678851988SVlad Yasevich { 161778851988SVlad Yasevich return skb; 161878851988SVlad Yasevich } 161978851988SVlad Yasevich 1620f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1621169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1622243a2e63SVlad Yasevich { 1623f418af63SNikolay Aleksandrov *changed = false; 1624243a2e63SVlad Yasevich return -EOPNOTSUPP; 1625243a2e63SVlad Yasevich } 1626243a2e63SVlad Yasevich 1627243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1628243a2e63SVlad Yasevich { 1629243a2e63SVlad Yasevich return -EOPNOTSUPP; 1630243a2e63SVlad Yasevich } 1631243a2e63SVlad Yasevich 1632243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1633243a2e63SVlad Yasevich { 1634243a2e63SVlad Yasevich } 1635243a2e63SVlad Yasevich 1636204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1637204177f3SToshiaki Makita { 1638204177f3SToshiaki Makita } 1639204177f3SToshiaki Makita 16405be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 16418580e211SToshiaki Makita { 16425be5a2dfSVlad Yasevich return 0; 16438580e211SToshiaki Makita } 16448580e211SToshiaki Makita 1645f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1646169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1647243a2e63SVlad Yasevich { 1648f418af63SNikolay Aleksandrov *changed = false; 1649243a2e63SVlad Yasevich return -EOPNOTSUPP; 1650243a2e63SVlad Yasevich } 1651243a2e63SVlad Yasevich 1652243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1653243a2e63SVlad Yasevich { 1654243a2e63SVlad Yasevich return -EOPNOTSUPP; 1655243a2e63SVlad Yasevich } 1656243a2e63SVlad Yasevich 1657243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1658243a2e63SVlad Yasevich { 1659243a2e63SVlad Yasevich } 1660243a2e63SVlad Yasevich 16612594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16622594e906SNikolay Aleksandrov u16 vid) 1663a37b85c9SVlad Yasevich { 1664a37b85c9SVlad Yasevich return NULL; 1665a37b85c9SVlad Yasevich } 1666bc9a25d2SVlad Yasevich 1667169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1668169327d5SPetr Machata struct netlink_ext_ack *extack) 16695be5a2dfSVlad Yasevich { 16705be5a2dfSVlad Yasevich return 0; 16715be5a2dfSVlad Yasevich } 16725be5a2dfSVlad Yasevich 167378851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1674a37b85c9SVlad Yasevich { 1675a37b85c9SVlad Yasevich return 0; 1676a37b85c9SVlad Yasevich } 16772594e906SNikolay Aleksandrov 167877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 167978851988SVlad Yasevich { 16803df6bf45SVlad Yasevich return 0; 168178851988SVlad Yasevich } 16822796d0c6SVlad Yasevich 16837a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1684c97f47e3SVladimir Oltean unsigned long val, 1685c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1686a7854037SNikolay Aleksandrov { 1687a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1688a7854037SNikolay Aleksandrov } 16892594e906SNikolay Aleksandrov 16902594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16912594e906SNikolay Aleksandrov u32 filter_mask) 16922594e906SNikolay Aleksandrov { 16932594e906SNikolay Aleksandrov return 0; 16942594e906SNikolay Aleksandrov } 16952594e906SNikolay Aleksandrov 1696bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1697bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1698bcf2766bSFelix Fietkau struct net_device_path *path) 1699bcf2766bSFelix Fietkau { 1700bcf2766bSFelix Fietkau } 1701bcf2766bSFelix Fietkau 1702bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1703bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1704bcf2766bSFelix Fietkau struct net_device_path *path) 1705bcf2766bSFelix Fietkau { 1706bcf2766bSFelix Fietkau return 0; 1707bcf2766bSFelix Fietkau } 1708bcf2766bSFelix Fietkau 17092594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 17102594e906SNikolay Aleksandrov const struct net_bridge *br) 17112594e906SNikolay Aleksandrov { 17122594e906SNikolay Aleksandrov return NULL; 17132594e906SNikolay Aleksandrov } 17142594e906SNikolay Aleksandrov 17152594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 17162594e906SNikolay Aleksandrov const struct net_bridge_port *p) 17172594e906SNikolay Aleksandrov { 17182594e906SNikolay Aleksandrov return NULL; 17192594e906SNikolay Aleksandrov } 1720907b1e6eSNikolay Aleksandrov 1721907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1722907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1723907b1e6eSNikolay Aleksandrov { 1724907b1e6eSNikolay Aleksandrov return NULL; 1725907b1e6eSNikolay Aleksandrov } 1726907b1e6eSNikolay Aleksandrov 1727907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1728907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1729907b1e6eSNikolay Aleksandrov { 1730907b1e6eSNikolay Aleksandrov return NULL; 1731907b1e6eSNikolay Aleksandrov } 1732a60c0903SNikolay Aleksandrov 1733a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1734281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1735a60c0903SNikolay Aleksandrov { 1736a60c0903SNikolay Aleksandrov } 17379c0ec2e7SMike Manning 17389c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 17399c0ec2e7SMike Manning unsigned long event) 17409c0ec2e7SMike Manning { 17419c0ec2e7SMike Manning } 17429c0ec2e7SMike Manning 1743091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17449c0ec2e7SMike Manning unsigned long event, void *ptr) 17459c0ec2e7SMike Manning { 1746091adf9bSNikolay Aleksandrov return 0; 17479c0ec2e7SMike Manning } 17488dcea187SNikolay Aleksandrov 17498dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17508dcea187SNikolay Aleksandrov { 17518dcea187SNikolay Aleksandrov } 17528dcea187SNikolay Aleksandrov 17538dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17548dcea187SNikolay Aleksandrov { 17558dcea187SNikolay Aleksandrov } 1756cf5bddb9SNikolay Aleksandrov 1757cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1758cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1759cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1760cf5bddb9SNikolay Aleksandrov int cmd) 1761cf5bddb9SNikolay Aleksandrov { 1762cf5bddb9SNikolay Aleksandrov } 1763528ae84aSNikolay Aleksandrov 1764528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1765528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1766528ae84aSNikolay Aleksandrov { 1767528ae84aSNikolay Aleksandrov return true; 1768528ae84aSNikolay Aleksandrov } 17694e51bf44SVladimir Oltean 1770c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1771c5f6e5ebSVladimir Oltean { 1772c5f6e5ebSVladimir Oltean return 0; 1773c5f6e5ebSVladimir Oltean } 1774c5f6e5ebSVladimir Oltean 1775243a2e63SVlad Yasevich #endif 1776243a2e63SVlad Yasevich 17777a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17787a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 177999f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 178099f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1781a1aee20dSPetr Machata bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v, 1782a1aee20dSPetr Machata const struct net_bridge_port *p); 17837a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1784a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1785a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1786a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1787a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1788a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1789a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 179047ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 179147ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 179247ecd2dbSNikolay Aleksandrov int cmd, 179347ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1794743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1795743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1796743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1797743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1798a580c76dSNikolay Aleksandrov 1799a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1800a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1801a580c76dSNikolay Aleksandrov { 1802a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1803a580c76dSNikolay Aleksandrov } 1804a580c76dSNikolay Aleksandrov 1805a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1806a580c76dSNikolay Aleksandrov { 1807a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1808a580c76dSNikolay Aleksandrov } 1809a580c76dSNikolay Aleksandrov 1810a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1811a580c76dSNikolay Aleksandrov { 1812a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1813a580c76dSNikolay Aleksandrov } 1814a580c76dSNikolay Aleksandrov 1815a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1816a580c76dSNikolay Aleksandrov u8 state) 1817a580c76dSNikolay Aleksandrov { 1818a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1819a580c76dSNikolay Aleksandrov } 1820a580c76dSNikolay Aleksandrov 1821a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1822a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1823a580c76dSNikolay Aleksandrov { 1824a580c76dSNikolay Aleksandrov switch (state) { 1825a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1826a580c76dSNikolay Aleksandrov return learn_allow; 1827a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1828a580c76dSNikolay Aleksandrov return true; 1829a580c76dSNikolay Aleksandrov default: 1830a580c76dSNikolay Aleksandrov return false; 1831a580c76dSNikolay Aleksandrov } 1832a580c76dSNikolay Aleksandrov } 18337a53e718SNikolay Aleksandrov #endif 18347a53e718SNikolay Aleksandrov 1835ec7328b5STobias Waldekranz /* br_mst.c */ 1836ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1837ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1838ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1839ec7328b5STobias Waldekranz { 1840ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1841ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1842ec7328b5STobias Waldekranz } 1843ec7328b5STobias Waldekranz 1844ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1845ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18468c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1847ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1848ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1849ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1850122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1851122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1852122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1853122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1854122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1855ec7328b5STobias Waldekranz #else 1856ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1857ec7328b5STobias Waldekranz { 1858ec7328b5STobias Waldekranz return false; 1859ec7328b5STobias Waldekranz } 1860ec7328b5STobias Waldekranz 1861ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1862ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1863ec7328b5STobias Waldekranz { 1864ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1865ec7328b5STobias Waldekranz } 1866ec7328b5STobias Waldekranz 1867ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1868ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1869ec7328b5STobias Waldekranz { 1870ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1871ec7328b5STobias Waldekranz } 1872122c2948STobias Waldekranz 1873122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1874122c2948STobias Waldekranz { 1875122c2948STobias Waldekranz return 0; 1876122c2948STobias Waldekranz } 1877122c2948STobias Waldekranz 1878122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1879122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1880122c2948STobias Waldekranz { 1881122c2948STobias Waldekranz return -EOPNOTSUPP; 1882122c2948STobias Waldekranz } 1883122c2948STobias Waldekranz 1884122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1885122c2948STobias Waldekranz const struct nlattr *mst_attr, 1886122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1887122c2948STobias Waldekranz { 1888122c2948STobias Waldekranz return -EOPNOTSUPP; 1889122c2948STobias Waldekranz } 1890ec7328b5STobias Waldekranz #endif 1891ec7328b5STobias Waldekranz 18921a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18931a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18941a4ba64dSPablo Neira Ayuso }; 18951a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18961a4ba64dSPablo Neira Ayuso 18971da177e4SLinus Torvalds /* br_netfilter.c */ 189834666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 189934666d46SPablo Neira Ayuso int br_nf_core_init(void); 190034666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1901348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1902c0909713SStephen Hemminger #else 190334666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 190434666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 19054adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1906c0909713SStephen Hemminger #endif 19071da177e4SLinus Torvalds 19081da177e4SLinus Torvalds /* br_stp.c */ 1909775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1910348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1911348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1912348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 19131da177e4SLinus Torvalds 1914348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1915348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1916348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1917348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 191882dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 19199e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 192014f98f25Sstephen hemminger 192114f98f25Sstephen hemminger 19221da177e4SLinus Torvalds /* br_stp_if.c */ 1923348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1924348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1925419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1926419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1927348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1928348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1929348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1930348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1931348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1932348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1933348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1934348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 19351da177e4SLinus Torvalds 19361da177e4SLinus Torvalds /* br_stp_bpdu.c */ 19377c85fbf0SPatrick McHardy struct stp_proto; 1938348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 19397c85fbf0SPatrick McHardy struct net_device *dev); 19401da177e4SLinus Torvalds 19411da177e4SLinus Torvalds /* br_stp_timer.c */ 1942348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1943348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1944348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19451da177e4SLinus Torvalds 19461da177e4SLinus Torvalds /* br.c */ 1947e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1948da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1949da678292SMichał Mirosław #endif 19501da177e4SLinus Torvalds 195165369933SHoratiu Vultur /* br_mrp.c */ 195265369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 195365369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 195465369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 195565369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 195665369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1957df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 195865369933SHoratiu Vultur #else 195965369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 196065369933SHoratiu Vultur struct nlattr *attr, int cmd, 196165369933SHoratiu Vultur struct netlink_ext_ack *extack) 196265369933SHoratiu Vultur { 196365369933SHoratiu Vultur return -EOPNOTSUPP; 196465369933SHoratiu Vultur } 196565369933SHoratiu Vultur 196665369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 196765369933SHoratiu Vultur { 19688741e184SJason Yan return false; 196965369933SHoratiu Vultur } 197065369933SHoratiu Vultur 197165369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 197265369933SHoratiu Vultur struct net_bridge_port *p) 197365369933SHoratiu Vultur { 197465369933SHoratiu Vultur } 1975df42ef22SHoratiu Vultur 1976df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1977df42ef22SHoratiu Vultur { 1978df42ef22SHoratiu Vultur return 0; 1979df42ef22SHoratiu Vultur } 1980df42ef22SHoratiu Vultur 198165369933SHoratiu Vultur #endif 198265369933SHoratiu Vultur 19832be665c3SHenrik Bjoernlund /* br_cfm.c */ 198486a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19852be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19862be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19872be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 198886a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19895e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1990b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1991b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1992b6d0425bSHenrik Bjoernlund bool getlink); 1993b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1994b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 199586a14b79SHenrik Bjoernlund #else 19962be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19972be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19982be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19992be665c3SHenrik Bjoernlund { 20002be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 20012be665c3SHenrik Bjoernlund } 20022be665c3SHenrik Bjoernlund 20032be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 20042be665c3SHenrik Bjoernlund { 20052be665c3SHenrik Bjoernlund return false; 20062be665c3SHenrik Bjoernlund } 20072be665c3SHenrik Bjoernlund 200886a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 200986a14b79SHenrik Bjoernlund struct net_bridge_port *p) 201086a14b79SHenrik Bjoernlund { 201186a14b79SHenrik Bjoernlund } 20125e312fc0SHenrik Bjoernlund 20135e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 20145e312fc0SHenrik Bjoernlund { 20155e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 20165e312fc0SHenrik Bjoernlund } 2017e77824d8SHenrik Bjoernlund 2018b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 2019b6d0425bSHenrik Bjoernlund struct net_bridge *br, 2020b6d0425bSHenrik Bjoernlund bool getlink) 2021b6d0425bSHenrik Bjoernlund { 2022b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2023b6d0425bSHenrik Bjoernlund } 2024b6d0425bSHenrik Bjoernlund 2025b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 2026b6d0425bSHenrik Bjoernlund { 2027829e050eSIvan Vecera *count = 0; 2028b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2029b6d0425bSHenrik Bjoernlund } 2030b6d0425bSHenrik Bjoernlund 2031b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 2032e77824d8SHenrik Bjoernlund { 2033829e050eSIvan Vecera *count = 0; 2034e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 2035e77824d8SHenrik Bjoernlund } 203686a14b79SHenrik Bjoernlund #endif 203786a14b79SHenrik Bjoernlund 203811dc1f36SStephen Hemminger /* br_netlink.c */ 2039149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 2040348662a1SJoe Perches int br_netlink_init(void); 2041348662a1SJoe Perches void br_netlink_fini(void); 204292899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 204392899063SNikolay Aleksandrov const struct net_bridge_port *port); 2044b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2045b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20462fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20472fd527b7SPetr Machata struct netlink_ext_ack *extack); 2048add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2049348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 205046c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2051f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2052f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2053f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2054f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2055f26b2965SNikolay Aleksandrov bool *changed, 2056f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 205711dc1f36SStephen Hemminger 20581da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20591da177e4SLinus Torvalds /* br_sysfs_if.c */ 206052cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2061348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2062348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20631da177e4SLinus Torvalds 20641da177e4SLinus Torvalds /* br_sysfs_br.c */ 2065348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2066348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20671da177e4SLinus Torvalds 20681da177e4SLinus Torvalds #else 20691da177e4SLinus Torvalds 20700cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20710cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20720cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20730cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20741da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20751da177e4SLinus Torvalds 20766bc506b4SIdo Schimmel /* br_switchdev.c */ 20776bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2078957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2079957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2080957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2081957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2082957e2235SVladimir Oltean bool tx_fwd_offload, 2083957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2084957e2235SVladimir Oltean 2085957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2086957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2087957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2088957e2235SVladimir Oltean 208947211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 209047211192STobias Waldekranz 2091c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2092c5381154SVladimir Oltean 209347211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 209447211192STobias Waldekranz struct sk_buff *skb); 209547211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 209647211192STobias Waldekranz struct sk_buff *skb); 20976bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20986bc506b4SIdo Schimmel struct sk_buff *skb); 20996bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21006bc506b4SIdo Schimmel const struct sk_buff *skb); 21013922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 21023922285dSArkadi Sharshevsky unsigned long flags, 2103078bbb85SVladimir Oltean unsigned long mask, 2104078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 21056eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 21066eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2107ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2108ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2109ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2110ae039350SVladimir Oltean int type); 2111169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 21128d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2113d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 211485826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2115f1c2eddfSIdo Schimmel 2116f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2117f1c2eddfSIdo Schimmel { 2118f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2119f1c2eddfSIdo Schimmel } 21206bc506b4SIdo Schimmel #else 2121957e2235SVladimir Oltean static inline int 2122957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2123957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2124957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2125957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2126957e2235SVladimir Oltean bool tx_fwd_offload, 2127957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2128957e2235SVladimir Oltean { 2129957e2235SVladimir Oltean return -EOPNOTSUPP; 2130957e2235SVladimir Oltean } 2131957e2235SVladimir Oltean 2132957e2235SVladimir Oltean static inline void 2133957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2134957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2135957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2136957e2235SVladimir Oltean { 2137957e2235SVladimir Oltean } 2138957e2235SVladimir Oltean 213947211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 214047211192STobias Waldekranz { 214147211192STobias Waldekranz return false; 214247211192STobias Waldekranz } 214347211192STobias Waldekranz 2144c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2145c5381154SVladimir Oltean { 2146c5381154SVladimir Oltean } 2147c5381154SVladimir Oltean 214847211192STobias Waldekranz static inline void 214947211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 215047211192STobias Waldekranz struct sk_buff *skb) 215147211192STobias Waldekranz { 215247211192STobias Waldekranz } 215347211192STobias Waldekranz 215447211192STobias Waldekranz static inline void 215547211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 215647211192STobias Waldekranz struct sk_buff *skb) 215747211192STobias Waldekranz { 215847211192STobias Waldekranz } 215947211192STobias Waldekranz 21606bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21616bc506b4SIdo Schimmel struct sk_buff *skb) 21626bc506b4SIdo Schimmel { 21636bc506b4SIdo Schimmel } 21646bc506b4SIdo Schimmel 21656bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21666bc506b4SIdo Schimmel const struct sk_buff *skb) 21676bc506b4SIdo Schimmel { 21686bc506b4SIdo Schimmel return true; 21696bc506b4SIdo Schimmel } 21703922285dSArkadi Sharshevsky 21713922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21723922285dSArkadi Sharshevsky unsigned long flags, 2173078bbb85SVladimir Oltean unsigned long mask, 2174078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21753922285dSArkadi Sharshevsky { 21763922285dSArkadi Sharshevsky return 0; 21773922285dSArkadi Sharshevsky } 21786b26b51bSArkadi Sharshevsky 21798d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21808d23a54fSVladimir Oltean u16 flags, bool changed, 2181169327d5SPetr Machata struct netlink_ext_ack *extack) 2182d66e4348SPetr Machata { 2183d66e4348SPetr Machata return -EOPNOTSUPP; 2184d66e4348SPetr Machata } 2185d66e4348SPetr Machata 2186d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2187d66e4348SPetr Machata { 2188d66e4348SPetr Machata return -EOPNOTSUPP; 2189d66e4348SPetr Machata } 2190d66e4348SPetr Machata 21916b26b51bSArkadi Sharshevsky static inline void 21926eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21936eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21946b26b51bSArkadi Sharshevsky { 21956b26b51bSArkadi Sharshevsky } 2196f1c2eddfSIdo Schimmel 2197ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2198ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2199ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2200ae039350SVladimir Oltean int type) 2201ae039350SVladimir Oltean { 2202ae039350SVladimir Oltean } 2203ae039350SVladimir Oltean 2204f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2205f1c2eddfSIdo Schimmel { 2206f1c2eddfSIdo Schimmel } 220785826610STobias Waldekranz 220885826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 220985826610STobias Waldekranz { 221085826610STobias Waldekranz } 221185826610STobias Waldekranz 22126bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 22136bc506b4SIdo Schimmel 2214057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2215821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2216057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2217057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2218ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2219ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2220ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 22211da177e4SLinus Torvalds #endif 2222