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 96*b1c8fec8SIdo Schimmel struct br_mdb_src_entry { 97*b1c8fec8SIdo Schimmel struct br_ip addr; 98*b1c8fec8SIdo Schimmel }; 99*b1c8fec8SIdo 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; 106*b1c8fec8SIdo Schimmel u8 filter_mode; 107*b1c8fec8SIdo Schimmel struct br_mdb_src_entry *src_entries; 108*b1c8fec8SIdo Schimmel int num_src_entries; 109cb453926SIdo Schimmel }; 110cc0fdd80SLinus Lüssing #endif 111cc0fdd80SLinus Lüssing 1129632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 1139632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 1149632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1159632233eSNikolay Aleksandrov struct net_bridge_port *port; 116613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1179632233eSNikolay Aleksandrov 1189632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1199632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1209632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1219632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1229632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1239632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1249632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1259632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1269632233eSNikolay Aleksandrov unsigned char multicast_router; 1279632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1289632233eSNikolay Aleksandrov }; 1299632233eSNikolay Aleksandrov 130d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 131d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 132d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 133d3d065c0SNikolay Aleksandrov struct net_bridge *br; 134613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 135d3d065c0SNikolay Aleksandrov 136d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 137d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 138d3d065c0SNikolay Aleksandrov 1394d5b4e84SNikolay Aleksandrov u8 multicast_querier; 140d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 141d3d065c0SNikolay Aleksandrov u8 multicast_router; 142d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 143d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 144d3d065c0SNikolay Aleksandrov #endif 145d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 146d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 147d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 148d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 149d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 150d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 151d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 152d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 153d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 154d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 155d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 156d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 157d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 158d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 159d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 160d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 161d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 162d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 163d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 164d3d065c0SNikolay Aleksandrov }; 165d3d065c0SNikolay Aleksandrov 166efa5356bSRoopa Prabhu struct br_tunnel_info { 167efa5356bSRoopa Prabhu __be64 tunnel_id; 16858e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 169efa5356bSRoopa Prabhu }; 170efa5356bSRoopa Prabhu 1719d332e69SNikolay Aleksandrov /* private vlan flags */ 1729d332e69SNikolay Aleksandrov enum { 1739d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 17427973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1757b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1767b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1779d332e69SNikolay Aleksandrov }; 1789d332e69SNikolay Aleksandrov 1792594e906SNikolay Aleksandrov /** 1802594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1812594e906SNikolay Aleksandrov * 1822594e906SNikolay Aleksandrov * @vnode: rhashtable member 1832594e906SNikolay Aleksandrov * @vid: VLAN id 1842594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1859d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 186a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1876dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1882594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1892594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1902594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1912594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1922594e906SNikolay Aleksandrov * for this VLAN entry 193613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 194613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 195613d61dbSNikolay Aleksandrov * context 196ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 1972594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1982594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1992594e906SNikolay Aleksandrov * 2002594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 2012594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 2022594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 2032594e906SNikolay Aleksandrov * the entry flags that are set. 2042594e906SNikolay Aleksandrov */ 2052594e906SNikolay Aleksandrov struct net_bridge_vlan { 2062594e906SNikolay Aleksandrov struct rhash_head vnode; 207efa5356bSRoopa Prabhu struct rhash_head tnode; 2082594e906SNikolay Aleksandrov u16 vid; 2092594e906SNikolay Aleksandrov u16 flags; 2109d332e69SNikolay Aleksandrov u16 priv_flags; 211a580c76dSNikolay Aleksandrov u8 state; 212281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 213243a2e63SVlad Yasevich union { 214243a2e63SVlad Yasevich struct net_bridge *br; 2152594e906SNikolay Aleksandrov struct net_bridge_port *port; 2162594e906SNikolay Aleksandrov }; 2172594e906SNikolay Aleksandrov union { 21825127759SReshetova, Elena refcount_t refcnt; 2192594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2202594e906SNikolay Aleksandrov }; 221efa5356bSRoopa Prabhu 222efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 223efa5356bSRoopa Prabhu 224613d61dbSNikolay Aleksandrov union { 225613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 226613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 227613d61dbSNikolay Aleksandrov }; 228613d61dbSNikolay Aleksandrov 229ec7328b5STobias Waldekranz u16 msti; 230ec7328b5STobias Waldekranz 2312594e906SNikolay Aleksandrov struct list_head vlist; 2322594e906SNikolay Aleksandrov 233243a2e63SVlad Yasevich struct rcu_head rcu; 2342594e906SNikolay Aleksandrov }; 2352594e906SNikolay Aleksandrov 2362594e906SNikolay Aleksandrov /** 2372594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2382594e906SNikolay Aleksandrov * 2392594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2402594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2412594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 24277751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 243a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2442594e906SNikolay Aleksandrov * 2452594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2462594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2472594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2482594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2492594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2502594e906SNikolay Aleksandrov */ 2512594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2522594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 253efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2542594e906SNikolay Aleksandrov struct list_head vlan_list; 2556cbdceebSVlad Yasevich u16 num_vlans; 25677751ee8SNikolay Aleksandrov u16 pvid; 257a580c76dSNikolay Aleksandrov u8 pvid_state; 258243a2e63SVlad Yasevich }; 259243a2e63SVlad Yasevich 2606869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2616869c3b0SNikolay Aleksandrov enum { 2626869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 26329e63fffSNikolay Aleksandrov BR_FDB_STATIC, 264e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 265ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 266b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 267d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 26831cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 269a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 270a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2716869c3b0SNikolay Aleksandrov }; 2726869c3b0SNikolay Aleksandrov 273eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 274eb793583SNikolay Aleksandrov mac_addr addr; 275eb793583SNikolay Aleksandrov u16 vlan_id; 276eb793583SNikolay Aleksandrov }; 277eb793583SNikolay Aleksandrov 2781214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 279eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2801da177e4SLinus Torvalds struct net_bridge_port *dst; 2811da177e4SLinus Torvalds 282eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 283eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2846869c3b0SNikolay Aleksandrov unsigned long flags; 2851214628cSNikolay Aleksandrov 2861214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2871214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2881214628cSNikolay Aleksandrov unsigned long used; 2891214628cSNikolay Aleksandrov 290b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2911da177e4SLinus Torvalds }; 2921da177e4SLinus Torvalds 2931f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 2941f78ee14SNikolay Aleksandrov unsigned long flags; 2951f78ee14SNikolay Aleksandrov unsigned long flags_mask; 2961f78ee14SNikolay Aleksandrov int port_ifindex; 2971f78ee14SNikolay Aleksandrov u16 vlan_id; 2981f78ee14SNikolay Aleksandrov }; 2991f78ee14SNikolay Aleksandrov 3009d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 3019d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 3023247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 3038266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 3049116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 3059d06b6d8SElad Raz 3068b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 3078b671779SNikolay Aleksandrov 3088b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 3098b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 310b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 311a01ecb17SIdo Schimmel #define BR_SGRP_F_USER_ADDED BIT(3) 3128b671779SNikolay Aleksandrov 313e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 314e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 315e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 316e12cec65SNikolay Aleksandrov }; 317e12cec65SNikolay Aleksandrov 3188b671779SNikolay Aleksandrov struct net_bridge_group_src { 3198b671779SNikolay Aleksandrov struct hlist_node node; 3208b671779SNikolay Aleksandrov 3218b671779SNikolay Aleksandrov struct br_ip addr; 3228b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3238b671779SNikolay Aleksandrov u8 flags; 324438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3258b671779SNikolay Aleksandrov struct timer_list timer; 3268b671779SNikolay Aleksandrov 3278b671779SNikolay Aleksandrov struct net_bridge *br; 328e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3298b671779SNikolay Aleksandrov struct rcu_head rcu; 3308b671779SNikolay Aleksandrov }; 3318b671779SNikolay Aleksandrov 332085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 333eb1d1641SHerbert Xu struct net_bridge_port *port; 3348ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 335085b53c8SNikolay Aleksandrov }; 336085b53c8SNikolay Aleksandrov 337085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 338085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 339085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 340206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3419d06b6d8SElad Raz unsigned char flags; 3428b671779SNikolay Aleksandrov unsigned char filter_mode; 34342c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3448f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3456ec0d0eeSNikolay Aleksandrov 3468b671779SNikolay Aleksandrov struct hlist_head src_list; 3478b671779SNikolay Aleksandrov unsigned int src_ents; 3486ec0d0eeSNikolay Aleksandrov struct timer_list timer; 34942c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3506ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3518f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3528f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3536ec0d0eeSNikolay Aleksandrov 354085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 355e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3566ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 357eb1d1641SHerbert Xu }; 358eb1d1641SHerbert Xu 3591c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 36019e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 361eb1d1641SHerbert Xu struct net_bridge *br; 362e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3638ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 364ff0fd34eSAndrew Lunn bool host_joined; 3656ec0d0eeSNikolay Aleksandrov 3666ec0d0eeSNikolay Aleksandrov struct timer_list timer; 36719e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3686ec0d0eeSNikolay Aleksandrov 369e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3706ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 371eb1d1641SHerbert Xu }; 372eb1d1641SHerbert Xu 3731f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3741da177e4SLinus Torvalds struct net_bridge *br; 3751da177e4SLinus Torvalds struct net_device *dev; 376b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3771da177e4SLinus Torvalds struct list_head list; 3781da177e4SLinus Torvalds 3791f90c7f3SNikolay Aleksandrov unsigned long flags; 3801f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3811f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3821f90c7f3SNikolay Aleksandrov #endif 3832756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3841f90c7f3SNikolay Aleksandrov 3851da177e4SLinus Torvalds /* STP */ 3861da177e4SLinus Torvalds u8 priority; 3871da177e4SLinus Torvalds u8 state; 3881da177e4SLinus Torvalds u16 port_no; 3891da177e4SLinus Torvalds unsigned char topology_change_ack; 3901da177e4SLinus Torvalds unsigned char config_pending; 3911da177e4SLinus Torvalds port_id port_id; 3921da177e4SLinus Torvalds port_id designated_port; 3931da177e4SLinus Torvalds bridge_id designated_root; 3941da177e4SLinus Torvalds bridge_id designated_bridge; 3951da177e4SLinus Torvalds u32 path_cost; 3961da177e4SLinus Torvalds u32 designated_cost; 3970c03150eSstephen hemminger unsigned long designated_age; 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds struct timer_list forward_delay_timer; 4001da177e4SLinus Torvalds struct timer_list hold_timer; 4011da177e4SLinus Torvalds struct timer_list message_age_timer; 4021da177e4SLinus Torvalds struct kobject kobj; 4031da177e4SLinus Torvalds struct rcu_head rcu; 4043982d3d2SFischer, Anna 4059632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 4069632233eSNikolay Aleksandrov 407eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 4089632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 4099632233eSNikolay Aleksandrov 41089268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 41189268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 412eb1d1641SHerbert Xu struct hlist_head mglist; 413eb1d1641SHerbert Xu #endif 414e0f43752SSimon Arlott 415e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 416e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 417e0f43752SSimon Arlott #endif 41891d2c34aSHerbert Xu 41991d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 42091d2c34aSHerbert Xu struct netpoll *np; 42191d2c34aSHerbert Xu #endif 4226bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 423f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 424f7cf972fSTobias Waldekranz * hardware domain. 425f7cf972fSTobias Waldekranz */ 426f7cf972fSTobias Waldekranz int hwdom; 4272f5dc00fSVladimir Oltean int offload_count; 4282f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4296bc506b4SIdo Schimmel #endif 4305af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4312756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 432de179966SVivien Didelot 433de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4341da177e4SLinus Torvalds }; 4351da177e4SLinus Torvalds 436705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 437705e0deaSTyler Hicks 438e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 439f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 440e028e4b8SVlad Yasevich 441b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 442b5ed54e9Sstephen hemminger { 443716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 444b5ed54e9Sstephen hemminger } 445b5ed54e9Sstephen hemminger 4461fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 447b5ed54e9Sstephen hemminger { 44835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 449ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 450b5ed54e9Sstephen hemminger } 451b5ed54e9Sstephen hemminger 4520baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4530baa10ffSArkadi Sharshevsky { 45435f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4550baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4560baa10ffSArkadi Sharshevsky } 4570baa10ffSArkadi Sharshevsky 458ae75767eSNikolay Aleksandrov enum net_bridge_opts { 459ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 460ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4618df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4628df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4638df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 464be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 46513cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 466675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 467675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 468675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 469c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4703341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4719163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 47270e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4739c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 474f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 475ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 476ae75767eSNikolay Aleksandrov }; 477ae75767eSNikolay Aleksandrov 4781f90c7f3SNikolay Aleksandrov struct net_bridge { 4791da177e4SLinus Torvalds spinlock_t lock; 4801f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 48190c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4821da177e4SLinus Torvalds struct net_device *dev; 483ae75767eSNikolay Aleksandrov unsigned long options; 4841f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4851f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4861f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4871f90c7f3SNikolay Aleksandrov u16 default_pvid; 4881f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4891f90c7f3SNikolay Aleksandrov #endif 4901f90c7f3SNikolay Aleksandrov 491eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 49290c628ddSHenrik Bjoernlund struct list_head port_list; 49334666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 494efb6de9bSBernhard Thaler union { 4954adf0af6SSimon Wunderlich struct rtable fake_rtable; 496efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 497efb6de9bSBernhard Thaler }; 4984adf0af6SSimon Wunderlich #endif 499515853ccSstephen hemminger u16 group_fwd_mask; 500f2808d22SToshiaki Makita u16 group_fwd_mask_required; 501515853ccSstephen hemminger 5021da177e4SLinus Torvalds /* STP */ 5031da177e4SLinus Torvalds bridge_id designated_root; 5041da177e4SLinus Torvalds bridge_id bridge_id; 5051f90c7f3SNikolay Aleksandrov unsigned char topology_change; 5061f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 5071f90c7f3SNikolay Aleksandrov u16 root_port; 5081da177e4SLinus Torvalds unsigned long max_age; 5091da177e4SLinus Torvalds unsigned long hello_time; 5101da177e4SLinus Torvalds unsigned long forward_delay; 5111da177e4SLinus Torvalds unsigned long ageing_time; 51234d8acd8SVivien Didelot unsigned long bridge_max_age; 5131da177e4SLinus Torvalds unsigned long bridge_hello_time; 5141da177e4SLinus Torvalds unsigned long bridge_forward_delay; 51534d8acd8SVivien Didelot unsigned long bridge_ageing_time; 51635750b0bSNikolay Aleksandrov u32 root_path_cost; 5171da177e4SLinus Torvalds 518fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5199cde0708SStephen Hemminger 5209cde0708SStephen Hemminger enum { 5219cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5229cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5239cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5249cde0708SStephen Hemminger } stp_enabled; 5259cde0708SStephen Hemminger 526d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 527d3d065c0SNikolay Aleksandrov 528eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 529d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 530eb1d1641SHerbert Xu 531eb1d1641SHerbert Xu u32 hash_max; 532eb1d1641SHerbert Xu 53335750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 534eb1d1641SHerbert Xu 53519e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 536085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 53719e3a9c9SNikolay Aleksandrov 538e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 53919e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 540eb1d1641SHerbert Xu 541e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 542eb1d1641SHerbert Xu #endif 543eb1d1641SHerbert Xu 5441da177e4SLinus Torvalds struct timer_list hello_timer; 5451da177e4SLinus Torvalds struct timer_list tcn_timer; 5461da177e4SLinus Torvalds struct timer_list topology_change_timer; 547f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 54843b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 549e028e4b8SVlad Yasevich u32 auto_cnt; 5506bc506b4SIdo Schimmel 5516bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 552f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 553f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 554f7cf972fSTobias Waldekranz */ 555f7cf972fSTobias Waldekranz int last_hwdom; 55685826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 55785826610STobias Waldekranz unsigned long busy_hwdoms; 5586bc506b4SIdo Schimmel #endif 559eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5604b8d7d4cSHoratiu Vultur 5614b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5620169b820SHoratiu Vultur struct hlist_head mrp_list; 5634b8d7d4cSHoratiu Vultur #endif 564f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 565f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 566f323aa54SHenrik Bjoernlund #endif 5671da177e4SLinus Torvalds }; 5681da177e4SLinus Torvalds 56968b7c895SHerbert Xu struct br_input_skb_cb { 57068b7c895SHerbert Xu struct net_device *brdev; 57193fdd47eSHerbert Xu 5723c171f49SPablo Neira Ayuso u16 frag_max_size; 57332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 574f12064d1SFlorian Westphal u8 igmp; 575f12064d1SFlorian Westphal u8 mrouters_only:1; 57632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 577f12064d1SFlorian Westphal u8 proxyarp_replied:1; 578f12064d1SFlorian Westphal u8 src_port_isolated:1; 57920adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 580f12064d1SFlorian Westphal u8 vlan_filtered:1; 58120adfa1aSVlad Yasevich #endif 582223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 583223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 584223fd0adSFlorian Westphal #endif 5856bc506b4SIdo Schimmel 5866bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 58747211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 58847211192STobias Waldekranz * hardware domain. 58947211192STobias Waldekranz */ 59047211192STobias Waldekranz u8 tx_fwd_offload:1; 591f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 592f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 593f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 594f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 595f7cf972fSTobias Waldekranz */ 596f7cf972fSTobias Waldekranz int src_hwdom; 59747211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 59847211192STobias Waldekranz * transmitted using the TX data plane offload. 59947211192STobias Waldekranz */ 60047211192STobias Waldekranz unsigned long fwd_hwdoms; 6016bc506b4SIdo Schimmel #endif 60268b7c895SHerbert Xu }; 60368b7c895SHerbert Xu 60468b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 60568b7c895SHerbert Xu 60632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 60732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 60832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 60932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 61032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 61132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 61228a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 61328a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 61428a16c97Sstephen hemminger 61528a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 61628a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 61728a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 61828a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 61928a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 62028a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 62128a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 62228a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 62328a16c97Sstephen hemminger 62428a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 62528a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 62628a16c97Sstephen hemminger 6271da177e4SLinus Torvalds /* called under bridge lock */ 6281da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6291da177e4SLinus Torvalds { 6301da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6311da177e4SLinus Torvalds } 6321da177e4SLinus Torvalds 6332594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6342594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6352594e906SNikolay Aleksandrov { 6362594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6372594e906SNikolay Aleksandrov } 6382594e906SNikolay Aleksandrov 6392594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6402594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6412594e906SNikolay Aleksandrov { 6422594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6432594e906SNikolay Aleksandrov } 6442594e906SNikolay Aleksandrov 6456be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6462594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6472594e906SNikolay Aleksandrov { 6482594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6492594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6502594e906SNikolay Aleksandrov return true; 6512594e906SNikolay Aleksandrov else 6522594e906SNikolay Aleksandrov return false; 6532594e906SNikolay Aleksandrov } 6542594e906SNikolay Aleksandrov 6552594e906SNikolay Aleksandrov return true; 6562594e906SNikolay Aleksandrov } 6572594e906SNikolay Aleksandrov 6585d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6595d1fcaf3SNikolay Aleksandrov { 6605d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6615d1fcaf3SNikolay Aleksandrov } 6625d1fcaf3SNikolay Aleksandrov 6638f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6645a46facbSNikolay Aleksandrov { 6658f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6668f4cc940SNikolay Aleksandrov 6678f4cc940SNikolay Aleksandrov if (!ret) 6688f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6698f4cc940SNikolay Aleksandrov 6708f4cc940SNikolay Aleksandrov return ret; 6715a46facbSNikolay Aleksandrov } 6725a46facbSNikolay Aleksandrov 6735a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6748f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6758f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6765a46facbSNikolay Aleksandrov { 6775a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6788f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6798f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6805a46facbSNikolay Aleksandrov return false; 6818f4cc940SNikolay Aleksandrov } 6825a46facbSNikolay Aleksandrov 6835a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6845a46facbSNikolay Aleksandrov * - it has range start flag 6855a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6865a46facbSNikolay Aleksandrov */ 6875a46facbSNikolay Aleksandrov if (last) { 6888f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6898f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6905a46facbSNikolay Aleksandrov return false; 6918f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6928f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6938f4cc940SNikolay Aleksandrov return false; 6948f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6958f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6968f4cc940SNikolay Aleksandrov return false; 6978f4cc940SNikolay Aleksandrov } 6988f4cc940SNikolay Aleksandrov } 6998f4cc940SNikolay Aleksandrov 7008f4cc940SNikolay Aleksandrov /* check for required range flags */ 7018f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 7028f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 7038f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 7045a46facbSNikolay Aleksandrov return false; 7055a46facbSNikolay Aleksandrov } 7065a46facbSNikolay Aleksandrov 7075a46facbSNikolay Aleksandrov return true; 7085a46facbSNikolay Aleksandrov } 7095a46facbSNikolay Aleksandrov 7102796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 7112796d846SNikolay Aleksandrov { 7122796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 7132796d846SNikolay Aleksandrov 7142796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 7152796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7162796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7172796d846SNikolay Aleksandrov else 7182796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7192796d846SNikolay Aleksandrov #endif 7202796d846SNikolay Aleksandrov 7212796d846SNikolay Aleksandrov return mcast_router; 7222796d846SNikolay Aleksandrov } 7232796d846SNikolay Aleksandrov 724f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 725f545923bSNikolay Aleksandrov { 726f545923bSNikolay Aleksandrov switch (cmd) { 727f545923bSNikolay Aleksandrov case RTM_SETLINK: 728f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 729f545923bSNikolay Aleksandrov case RTM_DELLINK: 730f545923bSNikolay Aleksandrov return RTM_DELVLAN; 731f545923bSNikolay Aleksandrov } 732f545923bSNikolay Aleksandrov 733f545923bSNikolay Aleksandrov return 0; 734f545923bSNikolay Aleksandrov } 735f545923bSNikolay Aleksandrov 736ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 737ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 738ae75767eSNikolay Aleksandrov { 739ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 740ae75767eSNikolay Aleksandrov } 741ae75767eSNikolay Aleksandrov 742a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 743a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 744a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 745a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 746a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 747a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 748a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 749a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 750ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 751ae75767eSNikolay Aleksandrov 7521da177e4SLinus Torvalds /* br_device.c */ 753348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 754348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 755348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 756cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 75791d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 75891d2c34aSHerbert Xu struct sk_buff *skb) 75991d2c34aSHerbert Xu { 760f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 76191d2c34aSHerbert Xu } 76291d2c34aSHerbert Xu 763a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 764348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 76591d2c34aSHerbert Xu #else 7669f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 76791d2c34aSHerbert Xu struct sk_buff *skb) 76891d2c34aSHerbert Xu { 76991d2c34aSHerbert Xu } 77091d2c34aSHerbert Xu 771a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 77291d2c34aSHerbert Xu { 77391d2c34aSHerbert Xu return 0; 77491d2c34aSHerbert Xu } 77591d2c34aSHerbert Xu 77691d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 77791d2c34aSHerbert Xu { 77891d2c34aSHerbert Xu } 779cfb478daSstephen hemminger #endif 7801da177e4SLinus Torvalds 7811da177e4SLinus Torvalds /* br_fdb.c */ 782564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 783564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 784564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 785564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 786564445fbSNikolay Aleksandrov 787348662a1SJoe Perches int br_fdb_init(void); 788348662a1SJoe Perches void br_fdb_fini(void); 789eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 790eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 7911f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 7921f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 793424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 794424bb9c9SToshiaki Makita const struct net_bridge_port *p, 795424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 796348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 797348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 798f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 799348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 8001ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 801bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 802bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 803bfd0aeacSNikolay Aleksandrov __u16 vid); 804348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 805348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 806348662a1SJoe Perches unsigned long off); 807f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 808348662a1SJoe Perches const unsigned char *addr, u16 vid); 809348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 810be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 81177162022SJohn Fastabend 812348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 813ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 814ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 815edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 816edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 817edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 818348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 81987b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 82087b0984eSPetr Machata struct netlink_ext_ack *extack); 821348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 822d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 82347674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 82447674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 82547674562SRoopa Prabhu struct netlink_ext_ack *extack); 8268db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8278db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8283aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 82945a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 83027fabd02SHans J. Schultz bool locked, bool swdev_notify); 8313aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 832161d82deSPetr Machata const unsigned char *addr, u16 vid, 833161d82deSPetr Machata bool swdev_notify); 8349fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 835e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8361da177e4SLinus Torvalds 8371da177e4SLinus Torvalds /* br_forward.c */ 8388addd5e7SNikolay Aleksandrov enum br_pkt_type { 8398addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8408addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8418addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8428addd5e7SNikolay Aleksandrov }; 8430c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 844b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 84537b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8460c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 84737b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8488addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8491da177e4SLinus Torvalds 8507d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8517d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8527d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8537d850abdSNikolay Aleksandrov { 8547d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8557d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8567d850abdSNikolay Aleksandrov } 8577d850abdSNikolay Aleksandrov 8581da177e4SLinus Torvalds /* br_if.c */ 859faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 860348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 861348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 862ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 863ca752be0SDavid Ahern struct netlink_ext_ack *extack); 864348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 865804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 866348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 867c8f44affSMichał Mirosław netdev_features_t features); 868e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8692796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8702756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvalds /* br_input.c */ 8730c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8749eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8751da177e4SLinus Torvalds 87690c628ddSHenrik Bjoernlund struct br_frame_type { 87790c628ddSHenrik Bjoernlund __be16 type; 87890c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 87990c628ddSHenrik Bjoernlund struct sk_buff *skb); 88090c628ddSHenrik Bjoernlund struct hlist_node list; 88190c628ddSHenrik Bjoernlund }; 88290c628ddSHenrik Bjoernlund 88390c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 88490c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 88590c628ddSHenrik Bjoernlund 886859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 887859828c0SJiri Pirko { 8889eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 889859828c0SJiri Pirko } 890859828c0SJiri Pirko 8914d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8924d4fd361SPetr Machata { 8939eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8944d4fd361SPetr Machata } 8954d4fd361SPetr Machata 896859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 897859828c0SJiri Pirko { 898859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 899859828c0SJiri Pirko } 900859828c0SJiri Pirko 9014d4fd361SPetr Machata static inline struct net_bridge_port * 9024d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 9034d4fd361SPetr Machata { 9044d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 9054d4fd361SPetr Machata } 9064d4fd361SPetr Machata 9071da177e4SLinus Torvalds /* br_ioctl.c */ 908561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 909561d8352SArnd Bergmann void __user *data, int cmd); 910ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 911ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 9121da177e4SLinus Torvalds 913eb1d1641SHerbert Xu /* br_multicast.c */ 914eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 915f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 916f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 917f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 918fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 919adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 920eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9211080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 922348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 923348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 924348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 925348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 926851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 927851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 928348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 929348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 930e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 931adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 932adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 933adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 934a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 935a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 936a53581d5SNikolay Aleksandrov unsigned long val); 9372796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 938ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 939ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 94062938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 941348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 942df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 943df271cd6SNikolay Aleksandrov unsigned long val); 944aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 945df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 946df271cd6SNikolay Aleksandrov unsigned long val); 947aa2ae3e7SNikolay Aleksandrov #endif 948348662a1SJoe Perches struct net_bridge_mdb_entry * 94919e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 950348662a1SJoe Perches struct net_bridge_mdb_entry * 95119e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 952348662a1SJoe Perches struct net_bridge_port_group * 953f86c3e2cSIdo Schimmel br_multicast_new_port_group(struct net_bridge_port *port, 954f86c3e2cSIdo Schimmel const struct br_ip *group, 955762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9568b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9578f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 95819e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 95919e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 96081f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 96181f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9621e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 963949f1e39SSatish Ashok int type); 964681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 965681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 966681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 967adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 968adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 969a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9701080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 971b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9721080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9731080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9741080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 97519e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 97619e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 97758d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 97858d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9791bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9808266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9818266a049SNikolay Aleksandrov u8 filter_mode); 9828266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9838266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 984474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 985474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 986fd0c6961SIdo Schimmel struct net_bridge_group_src * 987fd0c6961SIdo Schimmel br_multicast_new_group_src(struct net_bridge_port_group *pg, 988fd0c6961SIdo Schimmel struct br_ip *src_ip); 989083e3534SIdo Schimmel void __br_multicast_del_group_src(struct net_bridge_group_src *src); 990d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 991d5a10222SNikolay Aleksandrov bool fastleave); 992613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 993613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 994613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 995613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 996613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 997613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 998613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 999613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 10007b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 1001f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 1002f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 10039dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 100485b35269SSridhar Samudrala 1005dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 1006dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 1007c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 1008c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 1009c7fa1d9bSNikolay Aleksandrov int nest_attr); 1010c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 101105d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 101299b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 101399b40610SNikolay Aleksandrov unsigned long val); 1014f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 1015f83a112bSNikolay Aleksandrov unsigned long val); 10164e51bf44SVladimir Oltean 1017955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 1018955062b0SNikolay Aleksandrov { 1019955062b0SNikolay Aleksandrov return group->proto == 0; 1020955062b0SNikolay Aleksandrov } 1021955062b0SNikolay Aleksandrov 1022cfd56754SCong Wang #define mlock_dereference(X, br) \ 1023cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1024cfd56754SCong Wang 102544ebb081SLinus Lüssing static inline struct hlist_node * 1026adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1027adc47037SNikolay Aleksandrov struct sk_buff *skb) 1028d3d065c0SNikolay Aleksandrov { 1029a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1030a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1031d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1032a3c02e76SLinus Lüssing #endif 1033d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 103444ebb081SLinus Lüssing } 103544ebb081SLinus Lüssing 103644ebb081SLinus Lüssing static inline struct net_bridge_port * 1037d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1038d3d065c0SNikolay Aleksandrov { 10399632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10409632233eSNikolay Aleksandrov 1041a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1042a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10439632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10449632233eSNikolay Aleksandrov ip6_rlist); 10459632233eSNikolay Aleksandrov else 1046a3c02e76SLinus Lüssing #endif 10479632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10489632233eSNikolay Aleksandrov ip4_rlist); 10499632233eSNikolay Aleksandrov 10509632233eSNikolay Aleksandrov if (mctx) 10519632233eSNikolay Aleksandrov return mctx->port; 10529632233eSNikolay Aleksandrov else 10539632233eSNikolay Aleksandrov return NULL; 105444ebb081SLinus Lüssing } 105544ebb081SLinus Lüssing 1056d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 105785b35269SSridhar Samudrala { 1058d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10591a3065a2SLinus Lüssing } 10601a3065a2SLinus Lüssing 1061d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10621a3065a2SLinus Lüssing { 10631a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1064d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10651a3065a2SLinus Lüssing #else 10661a3065a2SLinus Lüssing return false; 10671a3065a2SLinus Lüssing #endif 10681a3065a2SLinus Lüssing } 10691a3065a2SLinus Lüssing 10701a3065a2SLinus Lüssing static inline bool 1071adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10721a3065a2SLinus Lüssing { 1073d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10741a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10751a3065a2SLinus Lüssing return true; 10761a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10771a3065a2SLinus Lüssing if (skb) { 10781a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1079d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10801a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1081d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10821a3065a2SLinus Lüssing } else { 1083d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1084d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10851a3065a2SLinus Lüssing } 10861a3065a2SLinus Lüssing fallthrough; 10871a3065a2SLinus Lüssing default: 10881a3065a2SLinus Lüssing return false; 10891a3065a2SLinus Lüssing } 109085b35269SSridhar Samudrala } 1091b00589afSLinus Lüssing 1092cc0fdd80SLinus Lüssing static inline bool 1093adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10940888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10950888d5f3Sdaniel const bool is_ipv6) 1096b00589afSLinus Lüssing { 10970888d5f3Sdaniel bool own_querier_enabled; 10980888d5f3Sdaniel 109962938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1100adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 11010888d5f3Sdaniel own_querier_enabled = false; 11020888d5f3Sdaniel else 11030888d5f3Sdaniel own_querier_enabled = true; 11040888d5f3Sdaniel } else { 11050888d5f3Sdaniel own_querier_enabled = false; 11060888d5f3Sdaniel } 11070888d5f3Sdaniel 1108cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 11090888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1110cc0fdd80SLinus Lüssing } 1111cc0fdd80SLinus Lüssing 1112adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1113955062b0SNikolay Aleksandrov struct ethhdr *eth, 1114955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1115cc0fdd80SLinus Lüssing { 1116cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1117cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1118adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1119adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1120cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1121cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1122adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1123adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1124cc0fdd80SLinus Lüssing #endif 1125cc0fdd80SLinus Lüssing default: 1126955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1127cc0fdd80SLinus Lüssing } 1128b00589afSLinus Lüssing } 11291080ab95SNikolay Aleksandrov 113088d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 113188d4bd18SNikolay Aleksandrov { 113288d4bd18SNikolay Aleksandrov switch (ip->proto) { 113388d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 113488d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 113588d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 113688d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 113788d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 113888d4bd18SNikolay Aleksandrov #endif 113988d4bd18SNikolay Aleksandrov default: 114088d4bd18SNikolay Aleksandrov return false; 114188d4bd18SNikolay Aleksandrov } 114288d4bd18SNikolay Aleksandrov } 114388d4bd18SNikolay Aleksandrov 1144adc47037SNikolay Aleksandrov static inline bool 1145adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11468266a049SNikolay Aleksandrov __be16 proto) 11478266a049SNikolay Aleksandrov { 11488266a049SNikolay Aleksandrov switch (proto) { 11498266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1150adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11518266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11528266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1153adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11548266a049SNikolay Aleksandrov #endif 11558266a049SNikolay Aleksandrov default: 11568266a049SNikolay Aleksandrov return false; 11578266a049SNikolay Aleksandrov } 11588266a049SNikolay Aleksandrov } 11598266a049SNikolay Aleksandrov 11601080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11611080ab95SNikolay Aleksandrov { 11621080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11631080ab95SNikolay Aleksandrov } 116442c11ccfSNikolay Aleksandrov 1165adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 116642c11ccfSNikolay Aleksandrov { 1167adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1168adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 116942c11ccfSNikolay Aleksandrov } 11700436862eSNikolay Aleksandrov 1171adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11720436862eSNikolay Aleksandrov { 1173fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11740436862eSNikolay Aleksandrov } 11757b54aaafSNikolay Aleksandrov 11767b54aaafSNikolay Aleksandrov static inline bool 11777b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11787b54aaafSNikolay Aleksandrov { 11797b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11807b54aaafSNikolay Aleksandrov } 11817b54aaafSNikolay Aleksandrov 11827b54aaafSNikolay Aleksandrov static inline bool 11837b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11847b54aaafSNikolay Aleksandrov { 11857b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11867b54aaafSNikolay Aleksandrov } 11877b54aaafSNikolay Aleksandrov 11887b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11897b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11907b54aaafSNikolay Aleksandrov { 11917b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11927b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11937b54aaafSNikolay Aleksandrov else 11947b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11957b54aaafSNikolay Aleksandrov } 11967b54aaafSNikolay Aleksandrov 11977b54aaafSNikolay Aleksandrov static inline bool 11987b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11997b54aaafSNikolay Aleksandrov { 1200168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1201168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1202168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 12037b54aaafSNikolay Aleksandrov } 12047b54aaafSNikolay Aleksandrov 12057b54aaafSNikolay Aleksandrov static inline bool 12067b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 12077b54aaafSNikolay Aleksandrov { 12087b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 12097b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12107b54aaafSNikolay Aleksandrov } 12117b54aaafSNikolay Aleksandrov 12127b54aaafSNikolay Aleksandrov static inline bool 12137b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 12147b54aaafSNikolay Aleksandrov { 12157b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 12167b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12177b54aaafSNikolay Aleksandrov } 12184cdd0d10SNikolay Aleksandrov 12194cdd0d10SNikolay Aleksandrov static inline bool 12204cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12214cdd0d10SNikolay Aleksandrov { 12224cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12234cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12244cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12254cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12264cdd0d10SNikolay Aleksandrov } 12274cdd0d10SNikolay Aleksandrov 12284cdd0d10SNikolay Aleksandrov static inline bool 12294cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12304cdd0d10SNikolay Aleksandrov { 12314cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12324cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12334cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12344cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12354cdd0d10SNikolay Aleksandrov } 1236df271cd6SNikolay Aleksandrov 1237df271cd6SNikolay Aleksandrov static inline bool 1238dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1239dc002875SNikolay Aleksandrov { 1240dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1241dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1242dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1243dc002875SNikolay Aleksandrov #else 1244dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1245dc002875SNikolay Aleksandrov #endif 1246dc002875SNikolay Aleksandrov } 1247dc002875SNikolay Aleksandrov 1248dc002875SNikolay Aleksandrov static inline bool 1249df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1250df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1251df271cd6SNikolay Aleksandrov { 1252df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1253df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1254931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1255931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 125650725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 125750725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 125877f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 125977f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12602da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12612da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1262cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1263cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1264d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1265d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 126642521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 126742521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1268941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1269941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 127062938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1271a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1272dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1273dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1274df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1275df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1276df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1277df271cd6SNikolay Aleksandrov #endif 1278df271cd6SNikolay Aleksandrov true; 1279df271cd6SNikolay Aleksandrov } 1280cb486ce9SNikolay Aleksandrov 1281cb486ce9SNikolay Aleksandrov static inline bool 1282cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1283cb486ce9SNikolay Aleksandrov { 1284cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1285cb486ce9SNikolay Aleksandrov 1286cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1287cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1288cb486ce9SNikolay Aleksandrov 1289cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1290cb486ce9SNikolay Aleksandrov } 1291eb1d1641SHerbert Xu #else 1292f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1293f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1294f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 129506499098SVlad Yasevich struct sk_buff *skb, 129606499098SVlad Yasevich u16 vid) 1297eb1d1641SHerbert Xu { 1298eb1d1641SHerbert Xu return 0; 1299eb1d1641SHerbert Xu } 1300eb1d1641SHerbert Xu 1301adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1302fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1303eb1d1641SHerbert Xu { 1304eb1d1641SHerbert Xu return NULL; 1305eb1d1641SHerbert Xu } 1306eb1d1641SHerbert Xu 13071080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1308eb1d1641SHerbert Xu { 13091080ab95SNikolay Aleksandrov return 0; 1310eb1d1641SHerbert Xu } 1311eb1d1641SHerbert Xu 1312eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1313eb1d1641SHerbert Xu { 1314eb1d1641SHerbert Xu } 1315eb1d1641SHerbert Xu 1316eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1317eb1d1641SHerbert Xu { 1318eb1d1641SHerbert Xu } 1319eb1d1641SHerbert Xu 1320eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1321eb1d1641SHerbert Xu { 1322eb1d1641SHerbert Xu } 1323eb1d1641SHerbert Xu 1324eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1325eb1d1641SHerbert Xu { 1326eb1d1641SHerbert Xu } 1327eb1d1641SHerbert Xu 1328851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1329851d0a73SJoseph Huang { 1330851d0a73SJoseph Huang } 1331851d0a73SJoseph Huang 1332851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1333851d0a73SJoseph Huang { 1334851d0a73SJoseph Huang } 1335851d0a73SJoseph Huang 1336eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1337eb1d1641SHerbert Xu { 1338eb1d1641SHerbert Xu } 1339eb1d1641SHerbert Xu 1340eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1341eb1d1641SHerbert Xu { 1342eb1d1641SHerbert Xu } 13435cb5e947SHerbert Xu 1344a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1345a7ce45a7SNikolay Aleksandrov { 1346a7ce45a7SNikolay Aleksandrov } 1347a7ce45a7SNikolay Aleksandrov 134837b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 134937b090e6SNikolay Aleksandrov struct sk_buff *skb, 1350adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 135137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13525cb5e947SHerbert Xu { 13535cb5e947SHerbert Xu } 13545cb5e947SHerbert Xu 1355adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1356bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1357eb1d1641SHerbert Xu { 135803aaa9e2SGustavo A. R. Silva return false; 1359eb1d1641SHerbert Xu } 136037b090e6SNikolay Aleksandrov 1361adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1362c43fd36fSVladimir Oltean struct ethhdr *eth, 1363c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1364b00589afSLinus Lüssing { 1365b00589afSLinus Lüssing return false; 1366b00589afSLinus Lüssing } 136737b090e6SNikolay Aleksandrov 1368fdb184d1SRami Rosen static inline void br_mdb_init(void) 1369fdb184d1SRami Rosen { 1370fdb184d1SRami Rosen } 137137b090e6SNikolay Aleksandrov 1372fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1373fdb184d1SRami Rosen { 1374fdb184d1SRami Rosen } 13751080ab95SNikolay Aleksandrov 137619e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 137719e3a9c9SNikolay Aleksandrov { 137819e3a9c9SNikolay Aleksandrov return 0; 137919e3a9c9SNikolay Aleksandrov } 138019e3a9c9SNikolay Aleksandrov 138119e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 138219e3a9c9SNikolay Aleksandrov { 138319e3a9c9SNikolay Aleksandrov } 138419e3a9c9SNikolay Aleksandrov 13851080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13861080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1387a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1388a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13891080ab95SNikolay Aleksandrov { 13901080ab95SNikolay Aleksandrov } 13911080ab95SNikolay Aleksandrov 13921080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13931080ab95SNikolay Aleksandrov { 13941080ab95SNikolay Aleksandrov return 0; 13951080ab95SNikolay Aleksandrov } 13961080ab95SNikolay Aleksandrov 1397b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1398b6fe0440SIdo Schimmel { 1399b6fe0440SIdo Schimmel } 1400b6fe0440SIdo Schimmel 14011080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 14021080ab95SNikolay Aleksandrov { 14031080ab95SNikolay Aleksandrov return 0; 14041080ab95SNikolay Aleksandrov } 1405613d61dbSNikolay Aleksandrov 1406613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1407613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1408613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1409613d61dbSNikolay Aleksandrov { 1410613d61dbSNikolay Aleksandrov } 1411613d61dbSNikolay Aleksandrov 1412613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1413613d61dbSNikolay Aleksandrov { 1414613d61dbSNikolay Aleksandrov } 1415613d61dbSNikolay Aleksandrov 1416613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1417613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1418613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1419613d61dbSNikolay Aleksandrov { 1420613d61dbSNikolay Aleksandrov } 1421613d61dbSNikolay Aleksandrov 1422613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1423613d61dbSNikolay Aleksandrov { 1424613d61dbSNikolay Aleksandrov } 14257b54aaafSNikolay Aleksandrov 14267b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14277b54aaafSNikolay Aleksandrov bool on) 14287b54aaafSNikolay Aleksandrov { 14297b54aaafSNikolay Aleksandrov } 1430f4b7002aSNikolay Aleksandrov 1431f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1432f4b7002aSNikolay Aleksandrov bool on, 1433f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1434f4b7002aSNikolay Aleksandrov { 1435f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1436f4b7002aSNikolay Aleksandrov } 14379dee572cSNikolay Aleksandrov 14389dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14399dee572cSNikolay Aleksandrov bool on) 14409dee572cSNikolay Aleksandrov { 14419dee572cSNikolay Aleksandrov return false; 14429dee572cSNikolay Aleksandrov } 14434e51bf44SVladimir Oltean 1444df271cd6SNikolay Aleksandrov static inline bool 1445df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1446df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1447df271cd6SNikolay Aleksandrov { 1448df271cd6SNikolay Aleksandrov return true; 1449df271cd6SNikolay Aleksandrov } 145085b35269SSridhar Samudrala #endif 1451eb1d1641SHerbert Xu 1452243a2e63SVlad Yasevich /* br_vlan.c */ 1453243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 145477751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 145577751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1456f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1457f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 145877751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 145985f46c6bSVlad Yasevich const struct sk_buff *skb); 1460e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1461348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 146211538d03SRoopa Prabhu const struct net_bridge_port *port, 14632594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 146478851988SVlad Yasevich struct sk_buff *skb); 1465f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1466169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1467348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1468348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14692594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1470204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14719e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14729e781401SVladimir Oltean struct netlink_ext_ack *extack); 1473dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1474dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14759e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14769e781401SVladimir Oltean struct netlink_ext_ack *extack); 14776dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14789163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14795be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14809e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14819e781401SVladimir Oltean struct netlink_ext_ack *extack); 1482169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1483169327d5SPetr Machata struct netlink_ext_ack *extack); 1484f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1485169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1486348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1487348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1488169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14892594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1490a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1491281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14929c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1493091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14949c0ec2e7SMike Manning void *ptr); 14958dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14968dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1497cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1498cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1499cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1500cf5bddb9SNikolay Aleksandrov int cmd); 1501a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1502a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1503a37b85c9SVlad Yasevich 1504bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1505bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1506bcf2766bSFelix Fietkau struct net_device_path *path); 1507bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1508bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1509bcf2766bSFelix Fietkau struct net_device_path *path); 1510bcf2766bSFelix Fietkau 15112594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1512a37b85c9SVlad Yasevich const struct net_bridge *br) 1513a37b85c9SVlad Yasevich { 1514907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1515a37b85c9SVlad Yasevich } 1516a37b85c9SVlad Yasevich 15172594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1518a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1519a37b85c9SVlad Yasevich { 1520907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1521907b1e6eSNikolay Aleksandrov } 1522907b1e6eSNikolay Aleksandrov 1523907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1524907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1525907b1e6eSNikolay Aleksandrov { 1526907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1527907b1e6eSNikolay Aleksandrov } 1528907b1e6eSNikolay Aleksandrov 1529907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1530907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1531907b1e6eSNikolay Aleksandrov { 1532907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1533a37b85c9SVlad Yasevich } 1534a37b85c9SVlad Yasevich 1535a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1536a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1537a37b85c9SVlad Yasevich */ 1538a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1539a37b85c9SVlad Yasevich { 1540a37b85c9SVlad Yasevich int err = 0; 1541a37b85c9SVlad Yasevich 15422594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15435978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15442594e906SNikolay Aleksandrov } else { 1545a37b85c9SVlad Yasevich *vid = 0; 1546a37b85c9SVlad Yasevich err = -EINVAL; 1547a37b85c9SVlad Yasevich } 1548a37b85c9SVlad Yasevich 1549a37b85c9SVlad Yasevich return err; 1550a37b85c9SVlad Yasevich } 155178851988SVlad Yasevich 155277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 155378851988SVlad Yasevich { 155477751ee8SNikolay Aleksandrov if (!vg) 15555be5a2dfSVlad Yasevich return 0; 15565be5a2dfSVlad Yasevich 155778851988SVlad Yasevich smp_rmb(); 155877751ee8SNikolay Aleksandrov return vg->pvid; 155978851988SVlad Yasevich } 156078851988SVlad Yasevich 15618dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15628dcea187SNikolay Aleksandrov { 15638dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15648dcea187SNikolay Aleksandrov } 1565243a2e63SVlad Yasevich #else 156677751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 156777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15682594e906SNikolay Aleksandrov struct sk_buff *skb, 1569f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1570f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1571f4b7002aSNikolay Aleksandrov 15722594e906SNikolay Aleksandrov { 1573f4b7002aSNikolay Aleksandrov *vlan = NULL; 15742594e906SNikolay Aleksandrov return true; 15752594e906SNikolay Aleksandrov } 15762594e906SNikolay Aleksandrov 15772594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 157885f46c6bSVlad Yasevich const struct sk_buff *skb) 157985f46c6bSVlad Yasevich { 158085f46c6bSVlad Yasevich return true; 158185f46c6bSVlad Yasevich } 158285f46c6bSVlad Yasevich 1583e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1584e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1585e0d7968aSToshiaki Makita { 1586e0d7968aSToshiaki Makita return true; 1587e0d7968aSToshiaki Makita } 1588e0d7968aSToshiaki Makita 158978851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 159011538d03SRoopa Prabhu const struct net_bridge_port *port, 15912594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 159278851988SVlad Yasevich struct sk_buff *skb) 159378851988SVlad Yasevich { 159478851988SVlad Yasevich return skb; 159578851988SVlad Yasevich } 159678851988SVlad Yasevich 1597f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1598169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1599243a2e63SVlad Yasevich { 1600f418af63SNikolay Aleksandrov *changed = false; 1601243a2e63SVlad Yasevich return -EOPNOTSUPP; 1602243a2e63SVlad Yasevich } 1603243a2e63SVlad Yasevich 1604243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1605243a2e63SVlad Yasevich { 1606243a2e63SVlad Yasevich return -EOPNOTSUPP; 1607243a2e63SVlad Yasevich } 1608243a2e63SVlad Yasevich 1609243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1610243a2e63SVlad Yasevich { 1611243a2e63SVlad Yasevich } 1612243a2e63SVlad Yasevich 1613204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1614204177f3SToshiaki Makita { 1615204177f3SToshiaki Makita } 1616204177f3SToshiaki Makita 16175be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 16188580e211SToshiaki Makita { 16195be5a2dfSVlad Yasevich return 0; 16208580e211SToshiaki Makita } 16218580e211SToshiaki Makita 1622f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1623169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1624243a2e63SVlad Yasevich { 1625f418af63SNikolay Aleksandrov *changed = false; 1626243a2e63SVlad Yasevich return -EOPNOTSUPP; 1627243a2e63SVlad Yasevich } 1628243a2e63SVlad Yasevich 1629243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1630243a2e63SVlad Yasevich { 1631243a2e63SVlad Yasevich return -EOPNOTSUPP; 1632243a2e63SVlad Yasevich } 1633243a2e63SVlad Yasevich 1634243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1635243a2e63SVlad Yasevich { 1636243a2e63SVlad Yasevich } 1637243a2e63SVlad Yasevich 16382594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16392594e906SNikolay Aleksandrov u16 vid) 1640a37b85c9SVlad Yasevich { 1641a37b85c9SVlad Yasevich return NULL; 1642a37b85c9SVlad Yasevich } 1643bc9a25d2SVlad Yasevich 1644169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1645169327d5SPetr Machata struct netlink_ext_ack *extack) 16465be5a2dfSVlad Yasevich { 16475be5a2dfSVlad Yasevich return 0; 16485be5a2dfSVlad Yasevich } 16495be5a2dfSVlad Yasevich 165078851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1651a37b85c9SVlad Yasevich { 1652a37b85c9SVlad Yasevich return 0; 1653a37b85c9SVlad Yasevich } 16542594e906SNikolay Aleksandrov 165577751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 165678851988SVlad Yasevich { 16573df6bf45SVlad Yasevich return 0; 165878851988SVlad Yasevich } 16592796d0c6SVlad Yasevich 16607a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1661c97f47e3SVladimir Oltean unsigned long val, 1662c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1663a7854037SNikolay Aleksandrov { 1664a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1665a7854037SNikolay Aleksandrov } 16662594e906SNikolay Aleksandrov 16672594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16682594e906SNikolay Aleksandrov u32 filter_mask) 16692594e906SNikolay Aleksandrov { 16702594e906SNikolay Aleksandrov return 0; 16712594e906SNikolay Aleksandrov } 16722594e906SNikolay Aleksandrov 1673bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1674bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1675bcf2766bSFelix Fietkau struct net_device_path *path) 1676bcf2766bSFelix Fietkau { 1677bcf2766bSFelix Fietkau } 1678bcf2766bSFelix Fietkau 1679bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1680bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1681bcf2766bSFelix Fietkau struct net_device_path *path) 1682bcf2766bSFelix Fietkau { 1683bcf2766bSFelix Fietkau return 0; 1684bcf2766bSFelix Fietkau } 1685bcf2766bSFelix Fietkau 16862594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16872594e906SNikolay Aleksandrov const struct net_bridge *br) 16882594e906SNikolay Aleksandrov { 16892594e906SNikolay Aleksandrov return NULL; 16902594e906SNikolay Aleksandrov } 16912594e906SNikolay Aleksandrov 16922594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16932594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16942594e906SNikolay Aleksandrov { 16952594e906SNikolay Aleksandrov return NULL; 16962594e906SNikolay Aleksandrov } 1697907b1e6eSNikolay Aleksandrov 1698907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1699907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1700907b1e6eSNikolay Aleksandrov { 1701907b1e6eSNikolay Aleksandrov return NULL; 1702907b1e6eSNikolay Aleksandrov } 1703907b1e6eSNikolay Aleksandrov 1704907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1705907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1706907b1e6eSNikolay Aleksandrov { 1707907b1e6eSNikolay Aleksandrov return NULL; 1708907b1e6eSNikolay Aleksandrov } 1709a60c0903SNikolay Aleksandrov 1710a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1711281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1712a60c0903SNikolay Aleksandrov { 1713a60c0903SNikolay Aleksandrov } 17149c0ec2e7SMike Manning 17159c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 17169c0ec2e7SMike Manning unsigned long event) 17179c0ec2e7SMike Manning { 17189c0ec2e7SMike Manning } 17199c0ec2e7SMike Manning 1720091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17219c0ec2e7SMike Manning unsigned long event, void *ptr) 17229c0ec2e7SMike Manning { 1723091adf9bSNikolay Aleksandrov return 0; 17249c0ec2e7SMike Manning } 17258dcea187SNikolay Aleksandrov 17268dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17278dcea187SNikolay Aleksandrov { 17288dcea187SNikolay Aleksandrov } 17298dcea187SNikolay Aleksandrov 17308dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17318dcea187SNikolay Aleksandrov { 17328dcea187SNikolay Aleksandrov } 1733cf5bddb9SNikolay Aleksandrov 1734cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1735cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1736cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1737cf5bddb9SNikolay Aleksandrov int cmd) 1738cf5bddb9SNikolay Aleksandrov { 1739cf5bddb9SNikolay Aleksandrov } 1740528ae84aSNikolay Aleksandrov 1741528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1742528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1743528ae84aSNikolay Aleksandrov { 1744528ae84aSNikolay Aleksandrov return true; 1745528ae84aSNikolay Aleksandrov } 17464e51bf44SVladimir Oltean 1747c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1748c5f6e5ebSVladimir Oltean { 1749c5f6e5ebSVladimir Oltean return 0; 1750c5f6e5ebSVladimir Oltean } 1751c5f6e5ebSVladimir Oltean 1752243a2e63SVlad Yasevich #endif 1753243a2e63SVlad Yasevich 17547a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17557a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 175699f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 175799f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17587a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17597a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1760a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1761a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1762a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1763a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1764a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1765a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 176647ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 176747ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 176847ecd2dbSNikolay Aleksandrov int cmd, 176947ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1770743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1771743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1772743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1773743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1774a580c76dSNikolay Aleksandrov 1775a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1776a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1777a580c76dSNikolay Aleksandrov { 1778a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1779a580c76dSNikolay Aleksandrov } 1780a580c76dSNikolay Aleksandrov 1781a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1782a580c76dSNikolay Aleksandrov { 1783a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1784a580c76dSNikolay Aleksandrov } 1785a580c76dSNikolay Aleksandrov 1786a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1787a580c76dSNikolay Aleksandrov { 1788a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1789a580c76dSNikolay Aleksandrov } 1790a580c76dSNikolay Aleksandrov 1791a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1792a580c76dSNikolay Aleksandrov u8 state) 1793a580c76dSNikolay Aleksandrov { 1794a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1795a580c76dSNikolay Aleksandrov } 1796a580c76dSNikolay Aleksandrov 1797a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1798a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1799a580c76dSNikolay Aleksandrov { 1800a580c76dSNikolay Aleksandrov switch (state) { 1801a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1802a580c76dSNikolay Aleksandrov return learn_allow; 1803a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1804a580c76dSNikolay Aleksandrov return true; 1805a580c76dSNikolay Aleksandrov default: 1806a580c76dSNikolay Aleksandrov return false; 1807a580c76dSNikolay Aleksandrov } 1808a580c76dSNikolay Aleksandrov } 18097a53e718SNikolay Aleksandrov #endif 18107a53e718SNikolay Aleksandrov 1811ec7328b5STobias Waldekranz /* br_mst.c */ 1812ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1813ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1814ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1815ec7328b5STobias Waldekranz { 1816ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1817ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1818ec7328b5STobias Waldekranz } 1819ec7328b5STobias Waldekranz 1820ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1821ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18228c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1823ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1824ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1825ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1826122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1827122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1828122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1829122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1830122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1831ec7328b5STobias Waldekranz #else 1832ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1833ec7328b5STobias Waldekranz { 1834ec7328b5STobias Waldekranz return false; 1835ec7328b5STobias Waldekranz } 1836ec7328b5STobias Waldekranz 1837ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1838ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1839ec7328b5STobias Waldekranz { 1840ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1841ec7328b5STobias Waldekranz } 1842ec7328b5STobias Waldekranz 1843ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1844ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1845ec7328b5STobias Waldekranz { 1846ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1847ec7328b5STobias Waldekranz } 1848122c2948STobias Waldekranz 1849122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1850122c2948STobias Waldekranz { 1851122c2948STobias Waldekranz return 0; 1852122c2948STobias Waldekranz } 1853122c2948STobias Waldekranz 1854122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1855122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1856122c2948STobias Waldekranz { 1857122c2948STobias Waldekranz return -EOPNOTSUPP; 1858122c2948STobias Waldekranz } 1859122c2948STobias Waldekranz 1860122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1861122c2948STobias Waldekranz const struct nlattr *mst_attr, 1862122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1863122c2948STobias Waldekranz { 1864122c2948STobias Waldekranz return -EOPNOTSUPP; 1865122c2948STobias Waldekranz } 1866ec7328b5STobias Waldekranz #endif 1867ec7328b5STobias Waldekranz 18681a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18691a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18701a4ba64dSPablo Neira Ayuso }; 18711a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18721a4ba64dSPablo Neira Ayuso 18731da177e4SLinus Torvalds /* br_netfilter.c */ 187434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 187534666d46SPablo Neira Ayuso int br_nf_core_init(void); 187634666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1877348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1878c0909713SStephen Hemminger #else 187934666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 188034666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18814adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1882c0909713SStephen Hemminger #endif 18831da177e4SLinus Torvalds 18841da177e4SLinus Torvalds /* br_stp.c */ 1885775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1886348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1887348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1888348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18891da177e4SLinus Torvalds 1890348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1891348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1892348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1893348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 189482dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18959e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 189614f98f25Sstephen hemminger 189714f98f25Sstephen hemminger 18981da177e4SLinus Torvalds /* br_stp_if.c */ 1899348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1900348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1901419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1902419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1903348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1904348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1905348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1906348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1907348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1908348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1909348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1910348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 19111da177e4SLinus Torvalds 19121da177e4SLinus Torvalds /* br_stp_bpdu.c */ 19137c85fbf0SPatrick McHardy struct stp_proto; 1914348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 19157c85fbf0SPatrick McHardy struct net_device *dev); 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvalds /* br_stp_timer.c */ 1918348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1919348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1920348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19211da177e4SLinus Torvalds 19221da177e4SLinus Torvalds /* br.c */ 1923e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1924da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1925da678292SMichał Mirosław #endif 19261da177e4SLinus Torvalds 192765369933SHoratiu Vultur /* br_mrp.c */ 192865369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 192965369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 193065369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 193165369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 193265369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1933df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 193465369933SHoratiu Vultur #else 193565369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 193665369933SHoratiu Vultur struct nlattr *attr, int cmd, 193765369933SHoratiu Vultur struct netlink_ext_ack *extack) 193865369933SHoratiu Vultur { 193965369933SHoratiu Vultur return -EOPNOTSUPP; 194065369933SHoratiu Vultur } 194165369933SHoratiu Vultur 194265369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 194365369933SHoratiu Vultur { 19448741e184SJason Yan return false; 194565369933SHoratiu Vultur } 194665369933SHoratiu Vultur 194765369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 194865369933SHoratiu Vultur struct net_bridge_port *p) 194965369933SHoratiu Vultur { 195065369933SHoratiu Vultur } 1951df42ef22SHoratiu Vultur 1952df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1953df42ef22SHoratiu Vultur { 1954df42ef22SHoratiu Vultur return 0; 1955df42ef22SHoratiu Vultur } 1956df42ef22SHoratiu Vultur 195765369933SHoratiu Vultur #endif 195865369933SHoratiu Vultur 19592be665c3SHenrik Bjoernlund /* br_cfm.c */ 196086a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19612be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19622be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19632be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 196486a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19655e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1966b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1967b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1968b6d0425bSHenrik Bjoernlund bool getlink); 1969b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1970b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 197186a14b79SHenrik Bjoernlund #else 19722be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19732be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19742be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19752be665c3SHenrik Bjoernlund { 19762be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19772be665c3SHenrik Bjoernlund } 19782be665c3SHenrik Bjoernlund 19792be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19802be665c3SHenrik Bjoernlund { 19812be665c3SHenrik Bjoernlund return false; 19822be665c3SHenrik Bjoernlund } 19832be665c3SHenrik Bjoernlund 198486a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 198586a14b79SHenrik Bjoernlund struct net_bridge_port *p) 198686a14b79SHenrik Bjoernlund { 198786a14b79SHenrik Bjoernlund } 19885e312fc0SHenrik Bjoernlund 19895e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19905e312fc0SHenrik Bjoernlund { 19915e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19925e312fc0SHenrik Bjoernlund } 1993e77824d8SHenrik Bjoernlund 1994b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1995b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1996b6d0425bSHenrik Bjoernlund bool getlink) 1997b6d0425bSHenrik Bjoernlund { 1998b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1999b6d0425bSHenrik Bjoernlund } 2000b6d0425bSHenrik Bjoernlund 2001b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 2002b6d0425bSHenrik Bjoernlund { 2003829e050eSIvan Vecera *count = 0; 2004b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2005b6d0425bSHenrik Bjoernlund } 2006b6d0425bSHenrik Bjoernlund 2007b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 2008e77824d8SHenrik Bjoernlund { 2009829e050eSIvan Vecera *count = 0; 2010e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 2011e77824d8SHenrik Bjoernlund } 201286a14b79SHenrik Bjoernlund #endif 201386a14b79SHenrik Bjoernlund 201411dc1f36SStephen Hemminger /* br_netlink.c */ 2015149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 2016348662a1SJoe Perches int br_netlink_init(void); 2017348662a1SJoe Perches void br_netlink_fini(void); 201892899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 201992899063SNikolay Aleksandrov const struct net_bridge_port *port); 2020b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2021b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20222fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20232fd527b7SPetr Machata struct netlink_ext_ack *extack); 2024add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2025348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 202646c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2027f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2028f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2029f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2030f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2031f26b2965SNikolay Aleksandrov bool *changed, 2032f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 203311dc1f36SStephen Hemminger 20341da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20351da177e4SLinus Torvalds /* br_sysfs_if.c */ 203652cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2037348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2038348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvalds /* br_sysfs_br.c */ 2041348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2042348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvalds #else 20451da177e4SLinus Torvalds 20460cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20470cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20480cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20490cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20501da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20511da177e4SLinus Torvalds 20526bc506b4SIdo Schimmel /* br_switchdev.c */ 20536bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2054957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2055957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2056957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2057957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2058957e2235SVladimir Oltean bool tx_fwd_offload, 2059957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2060957e2235SVladimir Oltean 2061957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2062957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2063957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2064957e2235SVladimir Oltean 206547211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 206647211192STobias Waldekranz 2067c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2068c5381154SVladimir Oltean 206947211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 207047211192STobias Waldekranz struct sk_buff *skb); 207147211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 207247211192STobias Waldekranz struct sk_buff *skb); 20736bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20746bc506b4SIdo Schimmel struct sk_buff *skb); 20756bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20766bc506b4SIdo Schimmel const struct sk_buff *skb); 20773922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20783922285dSArkadi Sharshevsky unsigned long flags, 2079078bbb85SVladimir Oltean unsigned long mask, 2080078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20816eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20826eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2083ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2084ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2085ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2086ae039350SVladimir Oltean int type); 2087169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20888d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2089d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 209085826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2091f1c2eddfSIdo Schimmel 2092f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2093f1c2eddfSIdo Schimmel { 2094f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2095f1c2eddfSIdo Schimmel } 20966bc506b4SIdo Schimmel #else 2097957e2235SVladimir Oltean static inline int 2098957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2099957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2100957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2101957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2102957e2235SVladimir Oltean bool tx_fwd_offload, 2103957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2104957e2235SVladimir Oltean { 2105957e2235SVladimir Oltean return -EOPNOTSUPP; 2106957e2235SVladimir Oltean } 2107957e2235SVladimir Oltean 2108957e2235SVladimir Oltean static inline void 2109957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2110957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2111957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2112957e2235SVladimir Oltean { 2113957e2235SVladimir Oltean } 2114957e2235SVladimir Oltean 211547211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 211647211192STobias Waldekranz { 211747211192STobias Waldekranz return false; 211847211192STobias Waldekranz } 211947211192STobias Waldekranz 2120c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2121c5381154SVladimir Oltean { 2122c5381154SVladimir Oltean } 2123c5381154SVladimir Oltean 212447211192STobias Waldekranz static inline void 212547211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 212647211192STobias Waldekranz struct sk_buff *skb) 212747211192STobias Waldekranz { 212847211192STobias Waldekranz } 212947211192STobias Waldekranz 213047211192STobias Waldekranz static inline void 213147211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 213247211192STobias Waldekranz struct sk_buff *skb) 213347211192STobias Waldekranz { 213447211192STobias Waldekranz } 213547211192STobias Waldekranz 21366bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21376bc506b4SIdo Schimmel struct sk_buff *skb) 21386bc506b4SIdo Schimmel { 21396bc506b4SIdo Schimmel } 21406bc506b4SIdo Schimmel 21416bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21426bc506b4SIdo Schimmel const struct sk_buff *skb) 21436bc506b4SIdo Schimmel { 21446bc506b4SIdo Schimmel return true; 21456bc506b4SIdo Schimmel } 21463922285dSArkadi Sharshevsky 21473922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21483922285dSArkadi Sharshevsky unsigned long flags, 2149078bbb85SVladimir Oltean unsigned long mask, 2150078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21513922285dSArkadi Sharshevsky { 21523922285dSArkadi Sharshevsky return 0; 21533922285dSArkadi Sharshevsky } 21546b26b51bSArkadi Sharshevsky 21558d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21568d23a54fSVladimir Oltean u16 flags, bool changed, 2157169327d5SPetr Machata struct netlink_ext_ack *extack) 2158d66e4348SPetr Machata { 2159d66e4348SPetr Machata return -EOPNOTSUPP; 2160d66e4348SPetr Machata } 2161d66e4348SPetr Machata 2162d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2163d66e4348SPetr Machata { 2164d66e4348SPetr Machata return -EOPNOTSUPP; 2165d66e4348SPetr Machata } 2166d66e4348SPetr Machata 21676b26b51bSArkadi Sharshevsky static inline void 21686eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21696eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21706b26b51bSArkadi Sharshevsky { 21716b26b51bSArkadi Sharshevsky } 2172f1c2eddfSIdo Schimmel 2173ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2174ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2175ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2176ae039350SVladimir Oltean int type) 2177ae039350SVladimir Oltean { 2178ae039350SVladimir Oltean } 2179ae039350SVladimir Oltean 2180f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2181f1c2eddfSIdo Schimmel { 2182f1c2eddfSIdo Schimmel } 218385826610STobias Waldekranz 218485826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 218585826610STobias Waldekranz { 218685826610STobias Waldekranz } 218785826610STobias Waldekranz 21886bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21896bc506b4SIdo Schimmel 2190057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2191821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2192057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2193057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2194ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2195ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2196ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 21971da177e4SLinus Torvalds #endif 2198