12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 3199b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 32f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 33d08c6bc0SNikolay Aleksandrov 3485826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3585826610STobias Waldekranz 369cde0708SStephen Hemminger #define BR_VERSION "2.3" 379cde0708SStephen Hemminger 38515853ccSstephen hemminger /* Control of forwarding link local multicast */ 39515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 40784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 415af48b59SNikolay Aleksandrov enum { 425af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 435af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 455af48b59SNikolay Aleksandrov }; 465af48b59SNikolay Aleksandrov 475af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 485af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 49f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 50f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 51515853ccSstephen hemminger 529cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 539cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 548cbb512eSStephen Hemminger 5531cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5631cbc39bSNikolay Aleksandrov 571da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 581da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 591da177e4SLinus Torvalds typedef __u16 port_id; 601da177e4SLinus Torvalds 611c1cb6d0SNikolay Aleksandrov struct bridge_id { 621da177e4SLinus Torvalds unsigned char prio[2]; 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661c1cb6d0SNikolay Aleksandrov struct mac_addr { 67e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 70cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 71cc0fdd80SLinus Lüssing /* our own querier */ 7290010b36SLinus Lüssing struct bridge_mcast_own_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing u32 startup_sent; 75cc0fdd80SLinus Lüssing }; 76cc0fdd80SLinus Lüssing 77cc0fdd80SLinus Lüssing /* other querier */ 7890010b36SLinus Lüssing struct bridge_mcast_other_query { 79cc0fdd80SLinus Lüssing struct timer_list timer; 80cc0fdd80SLinus Lüssing unsigned long delay_time; 81cc0fdd80SLinus Lüssing }; 82dc4eb53aSLinus Lüssing 83dc4eb53aSLinus Lüssing /* selected querier */ 84dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 85dc4eb53aSLinus Lüssing struct br_ip addr; 86bb18ef8eSNikolay Aleksandrov int port_ifidx; 87f936bb42SThomas Gleixner seqcount_spinlock_t seq; 88dc4eb53aSLinus Lüssing }; 891080ab95SNikolay Aleksandrov 901080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 911080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 921080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 931080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 941080ab95SNikolay Aleksandrov }; 95cb453926SIdo Schimmel 96cb453926SIdo Schimmel struct br_mdb_config { 97cb453926SIdo Schimmel struct net_bridge *br; 98cb453926SIdo Schimmel struct net_bridge_port *p; 99cb453926SIdo Schimmel struct br_mdb_entry *entry; 100cb453926SIdo Schimmel struct br_ip group; 101cb453926SIdo Schimmel }; 102cc0fdd80SLinus Lüssing #endif 103cc0fdd80SLinus Lüssing 1049632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 1059632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 1069632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1079632233eSNikolay Aleksandrov struct net_bridge_port *port; 108613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1099632233eSNikolay Aleksandrov 1109632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1119632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1129632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1139632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1149632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1159632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1169632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1179632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1189632233eSNikolay Aleksandrov unsigned char multicast_router; 1199632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1209632233eSNikolay Aleksandrov }; 1219632233eSNikolay Aleksandrov 122d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 123d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 124d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 125d3d065c0SNikolay Aleksandrov struct net_bridge *br; 126613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 127d3d065c0SNikolay Aleksandrov 128d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 129d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 130d3d065c0SNikolay Aleksandrov 1314d5b4e84SNikolay Aleksandrov u8 multicast_querier; 132d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 133d3d065c0SNikolay Aleksandrov u8 multicast_router; 134d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 135d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 136d3d065c0SNikolay Aleksandrov #endif 137d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 138d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 139d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 140d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 141d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 142d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 143d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 144d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 145d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 146d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 147d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 148d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 149d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 150d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 151d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 152d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 153d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 154d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 155d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 156d3d065c0SNikolay Aleksandrov }; 157d3d065c0SNikolay Aleksandrov 158efa5356bSRoopa Prabhu struct br_tunnel_info { 159efa5356bSRoopa Prabhu __be64 tunnel_id; 16058e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 161efa5356bSRoopa Prabhu }; 162efa5356bSRoopa Prabhu 1639d332e69SNikolay Aleksandrov /* private vlan flags */ 1649d332e69SNikolay Aleksandrov enum { 1659d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 16627973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1677b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1687b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1699d332e69SNikolay Aleksandrov }; 1709d332e69SNikolay Aleksandrov 1712594e906SNikolay Aleksandrov /** 1722594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1732594e906SNikolay Aleksandrov * 1742594e906SNikolay Aleksandrov * @vnode: rhashtable member 1752594e906SNikolay Aleksandrov * @vid: VLAN id 1762594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1779d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 178a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1796dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1802594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1812594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1822594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1832594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1842594e906SNikolay Aleksandrov * for this VLAN entry 185613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 186613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 187613d61dbSNikolay Aleksandrov * context 188ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 1892594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1902594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1912594e906SNikolay Aleksandrov * 1922594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1932594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1942594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1952594e906SNikolay Aleksandrov * the entry flags that are set. 1962594e906SNikolay Aleksandrov */ 1972594e906SNikolay Aleksandrov struct net_bridge_vlan { 1982594e906SNikolay Aleksandrov struct rhash_head vnode; 199efa5356bSRoopa Prabhu struct rhash_head tnode; 2002594e906SNikolay Aleksandrov u16 vid; 2012594e906SNikolay Aleksandrov u16 flags; 2029d332e69SNikolay Aleksandrov u16 priv_flags; 203a580c76dSNikolay Aleksandrov u8 state; 204281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 205243a2e63SVlad Yasevich union { 206243a2e63SVlad Yasevich struct net_bridge *br; 2072594e906SNikolay Aleksandrov struct net_bridge_port *port; 2082594e906SNikolay Aleksandrov }; 2092594e906SNikolay Aleksandrov union { 21025127759SReshetova, Elena refcount_t refcnt; 2112594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2122594e906SNikolay Aleksandrov }; 213efa5356bSRoopa Prabhu 214efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 215efa5356bSRoopa Prabhu 216613d61dbSNikolay Aleksandrov union { 217613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 218613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 219613d61dbSNikolay Aleksandrov }; 220613d61dbSNikolay Aleksandrov 221ec7328b5STobias Waldekranz u16 msti; 222ec7328b5STobias Waldekranz 2232594e906SNikolay Aleksandrov struct list_head vlist; 2242594e906SNikolay Aleksandrov 225243a2e63SVlad Yasevich struct rcu_head rcu; 2262594e906SNikolay Aleksandrov }; 2272594e906SNikolay Aleksandrov 2282594e906SNikolay Aleksandrov /** 2292594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2302594e906SNikolay Aleksandrov * 2312594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2322594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2332594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 23477751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 235a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2362594e906SNikolay Aleksandrov * 2372594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2382594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2392594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2402594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2412594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2422594e906SNikolay Aleksandrov */ 2432594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2442594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 245efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2462594e906SNikolay Aleksandrov struct list_head vlan_list; 2476cbdceebSVlad Yasevich u16 num_vlans; 24877751ee8SNikolay Aleksandrov u16 pvid; 249a580c76dSNikolay Aleksandrov u8 pvid_state; 250243a2e63SVlad Yasevich }; 251243a2e63SVlad Yasevich 2526869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2536869c3b0SNikolay Aleksandrov enum { 2546869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 25529e63fffSNikolay Aleksandrov BR_FDB_STATIC, 256e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 257ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 258b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 259d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 26031cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 261a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 262a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2636869c3b0SNikolay Aleksandrov }; 2646869c3b0SNikolay Aleksandrov 265eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 266eb793583SNikolay Aleksandrov mac_addr addr; 267eb793583SNikolay Aleksandrov u16 vlan_id; 268eb793583SNikolay Aleksandrov }; 269eb793583SNikolay Aleksandrov 2701214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 271eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2721da177e4SLinus Torvalds struct net_bridge_port *dst; 2731da177e4SLinus Torvalds 274eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 275eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2766869c3b0SNikolay Aleksandrov unsigned long flags; 2771214628cSNikolay Aleksandrov 2781214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2791214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2801214628cSNikolay Aleksandrov unsigned long used; 2811214628cSNikolay Aleksandrov 282b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2831da177e4SLinus Torvalds }; 2841da177e4SLinus Torvalds 2851f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 2861f78ee14SNikolay Aleksandrov unsigned long flags; 2871f78ee14SNikolay Aleksandrov unsigned long flags_mask; 2881f78ee14SNikolay Aleksandrov int port_ifindex; 2891f78ee14SNikolay Aleksandrov u16 vlan_id; 2901f78ee14SNikolay Aleksandrov }; 2911f78ee14SNikolay Aleksandrov 2929d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2939d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2943247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2958266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2969116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2979d06b6d8SElad Raz 2988b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2998b671779SNikolay Aleksandrov 3008b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 3018b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 302b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 3038b671779SNikolay Aleksandrov 304e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 305e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 306e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 307e12cec65SNikolay Aleksandrov }; 308e12cec65SNikolay Aleksandrov 3098b671779SNikolay Aleksandrov struct net_bridge_group_src { 3108b671779SNikolay Aleksandrov struct hlist_node node; 3118b671779SNikolay Aleksandrov 3128b671779SNikolay Aleksandrov struct br_ip addr; 3138b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3148b671779SNikolay Aleksandrov u8 flags; 315438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3168b671779SNikolay Aleksandrov struct timer_list timer; 3178b671779SNikolay Aleksandrov 3188b671779SNikolay Aleksandrov struct net_bridge *br; 319e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3208b671779SNikolay Aleksandrov struct rcu_head rcu; 3218b671779SNikolay Aleksandrov }; 3228b671779SNikolay Aleksandrov 323085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 324eb1d1641SHerbert Xu struct net_bridge_port *port; 3258ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 326085b53c8SNikolay Aleksandrov }; 327085b53c8SNikolay Aleksandrov 328085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 329085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 330085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 331206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3329d06b6d8SElad Raz unsigned char flags; 3338b671779SNikolay Aleksandrov unsigned char filter_mode; 33442c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3358f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3366ec0d0eeSNikolay Aleksandrov 3378b671779SNikolay Aleksandrov struct hlist_head src_list; 3388b671779SNikolay Aleksandrov unsigned int src_ents; 3396ec0d0eeSNikolay Aleksandrov struct timer_list timer; 34042c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3416ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3428f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3438f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3446ec0d0eeSNikolay Aleksandrov 345085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 346e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3476ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 348eb1d1641SHerbert Xu }; 349eb1d1641SHerbert Xu 3501c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 35119e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 352eb1d1641SHerbert Xu struct net_bridge *br; 353e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3548ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 355ff0fd34eSAndrew Lunn bool host_joined; 3566ec0d0eeSNikolay Aleksandrov 3576ec0d0eeSNikolay Aleksandrov struct timer_list timer; 35819e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3596ec0d0eeSNikolay Aleksandrov 360e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3616ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 362eb1d1641SHerbert Xu }; 363eb1d1641SHerbert Xu 3641f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3651da177e4SLinus Torvalds struct net_bridge *br; 3661da177e4SLinus Torvalds struct net_device *dev; 367b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3681da177e4SLinus Torvalds struct list_head list; 3691da177e4SLinus Torvalds 3701f90c7f3SNikolay Aleksandrov unsigned long flags; 3711f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3721f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3731f90c7f3SNikolay Aleksandrov #endif 3742756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3751f90c7f3SNikolay Aleksandrov 3761da177e4SLinus Torvalds /* STP */ 3771da177e4SLinus Torvalds u8 priority; 3781da177e4SLinus Torvalds u8 state; 3791da177e4SLinus Torvalds u16 port_no; 3801da177e4SLinus Torvalds unsigned char topology_change_ack; 3811da177e4SLinus Torvalds unsigned char config_pending; 3821da177e4SLinus Torvalds port_id port_id; 3831da177e4SLinus Torvalds port_id designated_port; 3841da177e4SLinus Torvalds bridge_id designated_root; 3851da177e4SLinus Torvalds bridge_id designated_bridge; 3861da177e4SLinus Torvalds u32 path_cost; 3871da177e4SLinus Torvalds u32 designated_cost; 3880c03150eSstephen hemminger unsigned long designated_age; 3891da177e4SLinus Torvalds 3901da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3911da177e4SLinus Torvalds struct timer_list hold_timer; 3921da177e4SLinus Torvalds struct timer_list message_age_timer; 3931da177e4SLinus Torvalds struct kobject kobj; 3941da177e4SLinus Torvalds struct rcu_head rcu; 3953982d3d2SFischer, Anna 3969632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3979632233eSNikolay Aleksandrov 398eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3999632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 4009632233eSNikolay Aleksandrov 40189268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 40289268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 403eb1d1641SHerbert Xu struct hlist_head mglist; 404eb1d1641SHerbert Xu #endif 405e0f43752SSimon Arlott 406e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 407e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 408e0f43752SSimon Arlott #endif 40991d2c34aSHerbert Xu 41091d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 41191d2c34aSHerbert Xu struct netpoll *np; 41291d2c34aSHerbert Xu #endif 4136bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 414f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 415f7cf972fSTobias Waldekranz * hardware domain. 416f7cf972fSTobias Waldekranz */ 417f7cf972fSTobias Waldekranz int hwdom; 4182f5dc00fSVladimir Oltean int offload_count; 4192f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4206bc506b4SIdo Schimmel #endif 4215af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4222756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 423de179966SVivien Didelot 424de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4251da177e4SLinus Torvalds }; 4261da177e4SLinus Torvalds 427705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 428705e0deaSTyler Hicks 429e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 430f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 431e028e4b8SVlad Yasevich 432b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 433b5ed54e9Sstephen hemminger { 434716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 435b5ed54e9Sstephen hemminger } 436b5ed54e9Sstephen hemminger 4371fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 438b5ed54e9Sstephen hemminger { 43935f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 440ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 441b5ed54e9Sstephen hemminger } 442b5ed54e9Sstephen hemminger 4430baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4440baa10ffSArkadi Sharshevsky { 44535f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4460baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4470baa10ffSArkadi Sharshevsky } 4480baa10ffSArkadi Sharshevsky 449ae75767eSNikolay Aleksandrov enum net_bridge_opts { 450ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 451ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4528df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4538df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4548df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 455be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 45613cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 457675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 458675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 459675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 460c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4613341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4629163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 46370e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4649c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 465f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 466ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 467ae75767eSNikolay Aleksandrov }; 468ae75767eSNikolay Aleksandrov 4691f90c7f3SNikolay Aleksandrov struct net_bridge { 4701da177e4SLinus Torvalds spinlock_t lock; 4711f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 47290c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4731da177e4SLinus Torvalds struct net_device *dev; 474ae75767eSNikolay Aleksandrov unsigned long options; 4751f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4761f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4771f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4781f90c7f3SNikolay Aleksandrov u16 default_pvid; 4791f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4801f90c7f3SNikolay Aleksandrov #endif 4811f90c7f3SNikolay Aleksandrov 482eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 48390c628ddSHenrik Bjoernlund struct list_head port_list; 48434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 485efb6de9bSBernhard Thaler union { 4864adf0af6SSimon Wunderlich struct rtable fake_rtable; 487efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 488efb6de9bSBernhard Thaler }; 4894adf0af6SSimon Wunderlich #endif 490515853ccSstephen hemminger u16 group_fwd_mask; 491f2808d22SToshiaki Makita u16 group_fwd_mask_required; 492515853ccSstephen hemminger 4931da177e4SLinus Torvalds /* STP */ 4941da177e4SLinus Torvalds bridge_id designated_root; 4951da177e4SLinus Torvalds bridge_id bridge_id; 4961f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4971f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4981f90c7f3SNikolay Aleksandrov u16 root_port; 4991da177e4SLinus Torvalds unsigned long max_age; 5001da177e4SLinus Torvalds unsigned long hello_time; 5011da177e4SLinus Torvalds unsigned long forward_delay; 5021da177e4SLinus Torvalds unsigned long ageing_time; 50334d8acd8SVivien Didelot unsigned long bridge_max_age; 5041da177e4SLinus Torvalds unsigned long bridge_hello_time; 5051da177e4SLinus Torvalds unsigned long bridge_forward_delay; 50634d8acd8SVivien Didelot unsigned long bridge_ageing_time; 50735750b0bSNikolay Aleksandrov u32 root_path_cost; 5081da177e4SLinus Torvalds 509fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5109cde0708SStephen Hemminger 5119cde0708SStephen Hemminger enum { 5129cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5139cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5149cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5159cde0708SStephen Hemminger } stp_enabled; 5169cde0708SStephen Hemminger 517d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 518d3d065c0SNikolay Aleksandrov 519eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 520d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 521eb1d1641SHerbert Xu 522eb1d1641SHerbert Xu u32 hash_max; 523eb1d1641SHerbert Xu 52435750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 525eb1d1641SHerbert Xu 52619e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 527085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 52819e3a9c9SNikolay Aleksandrov 529e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 53019e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 531eb1d1641SHerbert Xu 532e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 533eb1d1641SHerbert Xu #endif 534eb1d1641SHerbert Xu 5351da177e4SLinus Torvalds struct timer_list hello_timer; 5361da177e4SLinus Torvalds struct timer_list tcn_timer; 5371da177e4SLinus Torvalds struct timer_list topology_change_timer; 538f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 53943b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 540e028e4b8SVlad Yasevich u32 auto_cnt; 5416bc506b4SIdo Schimmel 5426bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 543f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 544f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 545f7cf972fSTobias Waldekranz */ 546f7cf972fSTobias Waldekranz int last_hwdom; 54785826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 54885826610STobias Waldekranz unsigned long busy_hwdoms; 5496bc506b4SIdo Schimmel #endif 550eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5514b8d7d4cSHoratiu Vultur 5524b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5530169b820SHoratiu Vultur struct hlist_head mrp_list; 5544b8d7d4cSHoratiu Vultur #endif 555f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 556f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 557f323aa54SHenrik Bjoernlund #endif 5581da177e4SLinus Torvalds }; 5591da177e4SLinus Torvalds 56068b7c895SHerbert Xu struct br_input_skb_cb { 56168b7c895SHerbert Xu struct net_device *brdev; 56293fdd47eSHerbert Xu 5633c171f49SPablo Neira Ayuso u16 frag_max_size; 56432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 565f12064d1SFlorian Westphal u8 igmp; 566f12064d1SFlorian Westphal u8 mrouters_only:1; 56732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 568f12064d1SFlorian Westphal u8 proxyarp_replied:1; 569f12064d1SFlorian Westphal u8 src_port_isolated:1; 57020adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 571f12064d1SFlorian Westphal u8 vlan_filtered:1; 57220adfa1aSVlad Yasevich #endif 573223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 574223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 575223fd0adSFlorian Westphal #endif 5766bc506b4SIdo Schimmel 5776bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 57847211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 57947211192STobias Waldekranz * hardware domain. 58047211192STobias Waldekranz */ 58147211192STobias Waldekranz u8 tx_fwd_offload:1; 582f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 583f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 584f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 585f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 586f7cf972fSTobias Waldekranz */ 587f7cf972fSTobias Waldekranz int src_hwdom; 58847211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 58947211192STobias Waldekranz * transmitted using the TX data plane offload. 59047211192STobias Waldekranz */ 59147211192STobias Waldekranz unsigned long fwd_hwdoms; 5926bc506b4SIdo Schimmel #endif 59368b7c895SHerbert Xu }; 59468b7c895SHerbert Xu 59568b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 59668b7c895SHerbert Xu 59732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 59832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 59932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 60032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 60132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 60232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 60328a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 60428a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 60528a16c97Sstephen hemminger 60628a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 60728a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 60828a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 60928a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 61028a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 61128a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 61228a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 61328a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 61428a16c97Sstephen hemminger 61528a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 61628a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 61728a16c97Sstephen hemminger 6181da177e4SLinus Torvalds /* called under bridge lock */ 6191da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6201da177e4SLinus Torvalds { 6211da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6221da177e4SLinus Torvalds } 6231da177e4SLinus Torvalds 6242594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6252594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6262594e906SNikolay Aleksandrov { 6272594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6282594e906SNikolay Aleksandrov } 6292594e906SNikolay Aleksandrov 6302594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6312594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6322594e906SNikolay Aleksandrov { 6332594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6342594e906SNikolay Aleksandrov } 6352594e906SNikolay Aleksandrov 6366be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6372594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6382594e906SNikolay Aleksandrov { 6392594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6402594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6412594e906SNikolay Aleksandrov return true; 6422594e906SNikolay Aleksandrov else 6432594e906SNikolay Aleksandrov return false; 6442594e906SNikolay Aleksandrov } 6452594e906SNikolay Aleksandrov 6462594e906SNikolay Aleksandrov return true; 6472594e906SNikolay Aleksandrov } 6482594e906SNikolay Aleksandrov 6495d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6505d1fcaf3SNikolay Aleksandrov { 6515d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6525d1fcaf3SNikolay Aleksandrov } 6535d1fcaf3SNikolay Aleksandrov 6548f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6555a46facbSNikolay Aleksandrov { 6568f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6578f4cc940SNikolay Aleksandrov 6588f4cc940SNikolay Aleksandrov if (!ret) 6598f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6608f4cc940SNikolay Aleksandrov 6618f4cc940SNikolay Aleksandrov return ret; 6625a46facbSNikolay Aleksandrov } 6635a46facbSNikolay Aleksandrov 6645a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6658f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6668f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6675a46facbSNikolay Aleksandrov { 6685a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6698f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6708f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6715a46facbSNikolay Aleksandrov return false; 6728f4cc940SNikolay Aleksandrov } 6735a46facbSNikolay Aleksandrov 6745a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6755a46facbSNikolay Aleksandrov * - it has range start flag 6765a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6775a46facbSNikolay Aleksandrov */ 6785a46facbSNikolay Aleksandrov if (last) { 6798f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6808f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6815a46facbSNikolay Aleksandrov return false; 6828f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6838f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6848f4cc940SNikolay Aleksandrov return false; 6858f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6868f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6878f4cc940SNikolay Aleksandrov return false; 6888f4cc940SNikolay Aleksandrov } 6898f4cc940SNikolay Aleksandrov } 6908f4cc940SNikolay Aleksandrov 6918f4cc940SNikolay Aleksandrov /* check for required range flags */ 6928f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6938f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6948f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6955a46facbSNikolay Aleksandrov return false; 6965a46facbSNikolay Aleksandrov } 6975a46facbSNikolay Aleksandrov 6985a46facbSNikolay Aleksandrov return true; 6995a46facbSNikolay Aleksandrov } 7005a46facbSNikolay Aleksandrov 7012796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 7022796d846SNikolay Aleksandrov { 7032796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 7042796d846SNikolay Aleksandrov 7052796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 7062796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7072796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7082796d846SNikolay Aleksandrov else 7092796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7102796d846SNikolay Aleksandrov #endif 7112796d846SNikolay Aleksandrov 7122796d846SNikolay Aleksandrov return mcast_router; 7132796d846SNikolay Aleksandrov } 7142796d846SNikolay Aleksandrov 715f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 716f545923bSNikolay Aleksandrov { 717f545923bSNikolay Aleksandrov switch (cmd) { 718f545923bSNikolay Aleksandrov case RTM_SETLINK: 719f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 720f545923bSNikolay Aleksandrov case RTM_DELLINK: 721f545923bSNikolay Aleksandrov return RTM_DELVLAN; 722f545923bSNikolay Aleksandrov } 723f545923bSNikolay Aleksandrov 724f545923bSNikolay Aleksandrov return 0; 725f545923bSNikolay Aleksandrov } 726f545923bSNikolay Aleksandrov 727ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 728ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 729ae75767eSNikolay Aleksandrov { 730ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 731ae75767eSNikolay Aleksandrov } 732ae75767eSNikolay Aleksandrov 733a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 734a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 735a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 736a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 737a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 738a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 739a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 740a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 741ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 742ae75767eSNikolay Aleksandrov 7431da177e4SLinus Torvalds /* br_device.c */ 744348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 745348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 746348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 747cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 74891d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 74991d2c34aSHerbert Xu struct sk_buff *skb) 75091d2c34aSHerbert Xu { 751f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 75291d2c34aSHerbert Xu } 75391d2c34aSHerbert Xu 754a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 755348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 75691d2c34aSHerbert Xu #else 7579f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 75891d2c34aSHerbert Xu struct sk_buff *skb) 75991d2c34aSHerbert Xu { 76091d2c34aSHerbert Xu } 76191d2c34aSHerbert Xu 762a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 76391d2c34aSHerbert Xu { 76491d2c34aSHerbert Xu return 0; 76591d2c34aSHerbert Xu } 76691d2c34aSHerbert Xu 76791d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 76891d2c34aSHerbert Xu { 76991d2c34aSHerbert Xu } 770cfb478daSstephen hemminger #endif 7711da177e4SLinus Torvalds 7721da177e4SLinus Torvalds /* br_fdb.c */ 773564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 774564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 775564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 776564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 777564445fbSNikolay Aleksandrov 778348662a1SJoe Perches int br_fdb_init(void); 779348662a1SJoe Perches void br_fdb_fini(void); 780eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 781eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 7821f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 7831f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 784424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 785424bb9c9SToshiaki Makita const struct net_bridge_port *p, 786424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 787348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 788348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 789f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 790348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7911ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 792bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 793bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 794bfd0aeacSNikolay Aleksandrov __u16 vid); 795348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 796348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 797348662a1SJoe Perches unsigned long off); 798f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 799348662a1SJoe Perches const unsigned char *addr, u16 vid); 800348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 801be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 80277162022SJohn Fastabend 803348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 804ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 805ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 806edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 807edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 808edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 809348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 81087b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 81187b0984eSPetr Machata struct netlink_ext_ack *extack); 812348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 813d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 81447674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 81547674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 81647674562SRoopa Prabhu struct netlink_ext_ack *extack); 8178db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8188db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8193aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 82045a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 82127fabd02SHans J. Schultz bool locked, bool swdev_notify); 8223aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 823161d82deSPetr Machata const unsigned char *addr, u16 vid, 824161d82deSPetr Machata bool swdev_notify); 8259fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 826e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8271da177e4SLinus Torvalds 8281da177e4SLinus Torvalds /* br_forward.c */ 8298addd5e7SNikolay Aleksandrov enum br_pkt_type { 8308addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8318addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8328addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8338addd5e7SNikolay Aleksandrov }; 8340c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 835b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 83637b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8370c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 83837b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8398addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8401da177e4SLinus Torvalds 8417d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8427d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8437d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8447d850abdSNikolay Aleksandrov { 8457d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8467d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8477d850abdSNikolay Aleksandrov } 8487d850abdSNikolay Aleksandrov 8491da177e4SLinus Torvalds /* br_if.c */ 850faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 851348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 852348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 853ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 854ca752be0SDavid Ahern struct netlink_ext_ack *extack); 855348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 856804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 857348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 858c8f44affSMichał Mirosław netdev_features_t features); 859e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8602796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8612756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8621da177e4SLinus Torvalds 8631da177e4SLinus Torvalds /* br_input.c */ 8640c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8659eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8661da177e4SLinus Torvalds 86790c628ddSHenrik Bjoernlund struct br_frame_type { 86890c628ddSHenrik Bjoernlund __be16 type; 86990c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 87090c628ddSHenrik Bjoernlund struct sk_buff *skb); 87190c628ddSHenrik Bjoernlund struct hlist_node list; 87290c628ddSHenrik Bjoernlund }; 87390c628ddSHenrik Bjoernlund 87490c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 87590c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 87690c628ddSHenrik Bjoernlund 877859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 878859828c0SJiri Pirko { 8799eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 880859828c0SJiri Pirko } 881859828c0SJiri Pirko 8824d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8834d4fd361SPetr Machata { 8849eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8854d4fd361SPetr Machata } 8864d4fd361SPetr Machata 887859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 888859828c0SJiri Pirko { 889859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 890859828c0SJiri Pirko } 891859828c0SJiri Pirko 8924d4fd361SPetr Machata static inline struct net_bridge_port * 8934d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8944d4fd361SPetr Machata { 8954d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8964d4fd361SPetr Machata } 8974d4fd361SPetr Machata 8981da177e4SLinus Torvalds /* br_ioctl.c */ 899561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 900561d8352SArnd Bergmann void __user *data, int cmd); 901ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 902ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 9031da177e4SLinus Torvalds 904eb1d1641SHerbert Xu /* br_multicast.c */ 905eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 906f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 907f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 908f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 909fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 910adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 911eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9121080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 913348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 914348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 915348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 916348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 917851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 918851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 919348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 920348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 921e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 922adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 923adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 924adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 925a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 926a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 927a53581d5SNikolay Aleksandrov unsigned long val); 9282796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 929ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 930ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 93162938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 932348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 933df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 934df271cd6SNikolay Aleksandrov unsigned long val); 935aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 936df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 937df271cd6SNikolay Aleksandrov unsigned long val); 938aa2ae3e7SNikolay Aleksandrov #endif 939348662a1SJoe Perches struct net_bridge_mdb_entry * 94019e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 941348662a1SJoe Perches struct net_bridge_mdb_entry * 94219e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 943348662a1SJoe Perches struct net_bridge_port_group * 944f86c3e2cSIdo Schimmel br_multicast_new_port_group(struct net_bridge_port *port, 945f86c3e2cSIdo Schimmel const struct br_ip *group, 946762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9478b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9488f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 94919e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 95019e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 95181f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 95281f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9531e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 954949f1e39SSatish Ashok int type); 955681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 956681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 957681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 958adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 959adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 960a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9611080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 962b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9631080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9641080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9651080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 96619e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 96719e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 96858d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 96958d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9701bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9718266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9728266a049SNikolay Aleksandrov u8 filter_mode); 9738266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9748266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 975474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 976474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 977*fd0c6961SIdo Schimmel struct net_bridge_group_src * 978*fd0c6961SIdo Schimmel br_multicast_new_group_src(struct net_bridge_port_group *pg, 979*fd0c6961SIdo Schimmel struct br_ip *src_ip); 980d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 981d5a10222SNikolay Aleksandrov bool fastleave); 982613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 983613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 984613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 985613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 986613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 987613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 988613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 989613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9907b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 991f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 992f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9939dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 99485b35269SSridhar Samudrala 995dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 996dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 997c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 998c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 999c7fa1d9bSNikolay Aleksandrov int nest_attr); 1000c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 100105d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 100299b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 100399b40610SNikolay Aleksandrov unsigned long val); 1004f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 1005f83a112bSNikolay Aleksandrov unsigned long val); 10064e51bf44SVladimir Oltean 1007955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 1008955062b0SNikolay Aleksandrov { 1009955062b0SNikolay Aleksandrov return group->proto == 0; 1010955062b0SNikolay Aleksandrov } 1011955062b0SNikolay Aleksandrov 1012cfd56754SCong Wang #define mlock_dereference(X, br) \ 1013cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1014cfd56754SCong Wang 101544ebb081SLinus Lüssing static inline struct hlist_node * 1016adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1017adc47037SNikolay Aleksandrov struct sk_buff *skb) 1018d3d065c0SNikolay Aleksandrov { 1019a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1020a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1021d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1022a3c02e76SLinus Lüssing #endif 1023d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 102444ebb081SLinus Lüssing } 102544ebb081SLinus Lüssing 102644ebb081SLinus Lüssing static inline struct net_bridge_port * 1027d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1028d3d065c0SNikolay Aleksandrov { 10299632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10309632233eSNikolay Aleksandrov 1031a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1032a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10339632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10349632233eSNikolay Aleksandrov ip6_rlist); 10359632233eSNikolay Aleksandrov else 1036a3c02e76SLinus Lüssing #endif 10379632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10389632233eSNikolay Aleksandrov ip4_rlist); 10399632233eSNikolay Aleksandrov 10409632233eSNikolay Aleksandrov if (mctx) 10419632233eSNikolay Aleksandrov return mctx->port; 10429632233eSNikolay Aleksandrov else 10439632233eSNikolay Aleksandrov return NULL; 104444ebb081SLinus Lüssing } 104544ebb081SLinus Lüssing 1046d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 104785b35269SSridhar Samudrala { 1048d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10491a3065a2SLinus Lüssing } 10501a3065a2SLinus Lüssing 1051d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10521a3065a2SLinus Lüssing { 10531a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1054d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10551a3065a2SLinus Lüssing #else 10561a3065a2SLinus Lüssing return false; 10571a3065a2SLinus Lüssing #endif 10581a3065a2SLinus Lüssing } 10591a3065a2SLinus Lüssing 10601a3065a2SLinus Lüssing static inline bool 1061adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10621a3065a2SLinus Lüssing { 1063d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10641a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10651a3065a2SLinus Lüssing return true; 10661a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10671a3065a2SLinus Lüssing if (skb) { 10681a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1069d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10701a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1071d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10721a3065a2SLinus Lüssing } else { 1073d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1074d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10751a3065a2SLinus Lüssing } 10761a3065a2SLinus Lüssing fallthrough; 10771a3065a2SLinus Lüssing default: 10781a3065a2SLinus Lüssing return false; 10791a3065a2SLinus Lüssing } 108085b35269SSridhar Samudrala } 1081b00589afSLinus Lüssing 1082cc0fdd80SLinus Lüssing static inline bool 1083adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10840888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10850888d5f3Sdaniel const bool is_ipv6) 1086b00589afSLinus Lüssing { 10870888d5f3Sdaniel bool own_querier_enabled; 10880888d5f3Sdaniel 108962938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1090adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10910888d5f3Sdaniel own_querier_enabled = false; 10920888d5f3Sdaniel else 10930888d5f3Sdaniel own_querier_enabled = true; 10940888d5f3Sdaniel } else { 10950888d5f3Sdaniel own_querier_enabled = false; 10960888d5f3Sdaniel } 10970888d5f3Sdaniel 1098cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10990888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1100cc0fdd80SLinus Lüssing } 1101cc0fdd80SLinus Lüssing 1102adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1103955062b0SNikolay Aleksandrov struct ethhdr *eth, 1104955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1105cc0fdd80SLinus Lüssing { 1106cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1107cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1108adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1109adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1110cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1111cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1112adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1113adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1114cc0fdd80SLinus Lüssing #endif 1115cc0fdd80SLinus Lüssing default: 1116955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1117cc0fdd80SLinus Lüssing } 1118b00589afSLinus Lüssing } 11191080ab95SNikolay Aleksandrov 112088d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 112188d4bd18SNikolay Aleksandrov { 112288d4bd18SNikolay Aleksandrov switch (ip->proto) { 112388d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 112488d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 112588d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 112688d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 112788d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 112888d4bd18SNikolay Aleksandrov #endif 112988d4bd18SNikolay Aleksandrov default: 113088d4bd18SNikolay Aleksandrov return false; 113188d4bd18SNikolay Aleksandrov } 113288d4bd18SNikolay Aleksandrov } 113388d4bd18SNikolay Aleksandrov 1134adc47037SNikolay Aleksandrov static inline bool 1135adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11368266a049SNikolay Aleksandrov __be16 proto) 11378266a049SNikolay Aleksandrov { 11388266a049SNikolay Aleksandrov switch (proto) { 11398266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1140adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11418266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11428266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1143adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11448266a049SNikolay Aleksandrov #endif 11458266a049SNikolay Aleksandrov default: 11468266a049SNikolay Aleksandrov return false; 11478266a049SNikolay Aleksandrov } 11488266a049SNikolay Aleksandrov } 11498266a049SNikolay Aleksandrov 11501080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11511080ab95SNikolay Aleksandrov { 11521080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11531080ab95SNikolay Aleksandrov } 115442c11ccfSNikolay Aleksandrov 1155adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 115642c11ccfSNikolay Aleksandrov { 1157adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1158adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 115942c11ccfSNikolay Aleksandrov } 11600436862eSNikolay Aleksandrov 1161adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11620436862eSNikolay Aleksandrov { 1163fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11640436862eSNikolay Aleksandrov } 11657b54aaafSNikolay Aleksandrov 11667b54aaafSNikolay Aleksandrov static inline bool 11677b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11687b54aaafSNikolay Aleksandrov { 11697b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11707b54aaafSNikolay Aleksandrov } 11717b54aaafSNikolay Aleksandrov 11727b54aaafSNikolay Aleksandrov static inline bool 11737b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11747b54aaafSNikolay Aleksandrov { 11757b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11767b54aaafSNikolay Aleksandrov } 11777b54aaafSNikolay Aleksandrov 11787b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11797b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11807b54aaafSNikolay Aleksandrov { 11817b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11827b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11837b54aaafSNikolay Aleksandrov else 11847b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11857b54aaafSNikolay Aleksandrov } 11867b54aaafSNikolay Aleksandrov 11877b54aaafSNikolay Aleksandrov static inline bool 11887b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11897b54aaafSNikolay Aleksandrov { 1190168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1191168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1192168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 11937b54aaafSNikolay Aleksandrov } 11947b54aaafSNikolay Aleksandrov 11957b54aaafSNikolay Aleksandrov static inline bool 11967b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11977b54aaafSNikolay Aleksandrov { 11987b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11997b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12007b54aaafSNikolay Aleksandrov } 12017b54aaafSNikolay Aleksandrov 12027b54aaafSNikolay Aleksandrov static inline bool 12037b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 12047b54aaafSNikolay Aleksandrov { 12057b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 12067b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12077b54aaafSNikolay Aleksandrov } 12084cdd0d10SNikolay Aleksandrov 12094cdd0d10SNikolay Aleksandrov static inline bool 12104cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12114cdd0d10SNikolay Aleksandrov { 12124cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12134cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12144cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12154cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12164cdd0d10SNikolay Aleksandrov } 12174cdd0d10SNikolay Aleksandrov 12184cdd0d10SNikolay Aleksandrov static inline bool 12194cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12204cdd0d10SNikolay Aleksandrov { 12214cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12224cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12234cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12244cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12254cdd0d10SNikolay Aleksandrov } 1226df271cd6SNikolay Aleksandrov 1227df271cd6SNikolay Aleksandrov static inline bool 1228dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1229dc002875SNikolay Aleksandrov { 1230dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1231dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1232dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1233dc002875SNikolay Aleksandrov #else 1234dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1235dc002875SNikolay Aleksandrov #endif 1236dc002875SNikolay Aleksandrov } 1237dc002875SNikolay Aleksandrov 1238dc002875SNikolay Aleksandrov static inline bool 1239df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1240df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1241df271cd6SNikolay Aleksandrov { 1242df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1243df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1244931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1245931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 124650725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 124750725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 124877f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 124977f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12502da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12512da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1252cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1253cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1254d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1255d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 125642521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 125742521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1258941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1259941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 126062938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1261a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1262dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1263dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1264df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1265df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1266df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1267df271cd6SNikolay Aleksandrov #endif 1268df271cd6SNikolay Aleksandrov true; 1269df271cd6SNikolay Aleksandrov } 1270cb486ce9SNikolay Aleksandrov 1271cb486ce9SNikolay Aleksandrov static inline bool 1272cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1273cb486ce9SNikolay Aleksandrov { 1274cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1275cb486ce9SNikolay Aleksandrov 1276cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1277cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1278cb486ce9SNikolay Aleksandrov 1279cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1280cb486ce9SNikolay Aleksandrov } 1281eb1d1641SHerbert Xu #else 1282f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1283f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1284f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 128506499098SVlad Yasevich struct sk_buff *skb, 128606499098SVlad Yasevich u16 vid) 1287eb1d1641SHerbert Xu { 1288eb1d1641SHerbert Xu return 0; 1289eb1d1641SHerbert Xu } 1290eb1d1641SHerbert Xu 1291adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1292fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1293eb1d1641SHerbert Xu { 1294eb1d1641SHerbert Xu return NULL; 1295eb1d1641SHerbert Xu } 1296eb1d1641SHerbert Xu 12971080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1298eb1d1641SHerbert Xu { 12991080ab95SNikolay Aleksandrov return 0; 1300eb1d1641SHerbert Xu } 1301eb1d1641SHerbert Xu 1302eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1303eb1d1641SHerbert Xu { 1304eb1d1641SHerbert Xu } 1305eb1d1641SHerbert Xu 1306eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1307eb1d1641SHerbert Xu { 1308eb1d1641SHerbert Xu } 1309eb1d1641SHerbert Xu 1310eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1311eb1d1641SHerbert Xu { 1312eb1d1641SHerbert Xu } 1313eb1d1641SHerbert Xu 1314eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1315eb1d1641SHerbert Xu { 1316eb1d1641SHerbert Xu } 1317eb1d1641SHerbert Xu 1318851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1319851d0a73SJoseph Huang { 1320851d0a73SJoseph Huang } 1321851d0a73SJoseph Huang 1322851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1323851d0a73SJoseph Huang { 1324851d0a73SJoseph Huang } 1325851d0a73SJoseph Huang 1326eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1327eb1d1641SHerbert Xu { 1328eb1d1641SHerbert Xu } 1329eb1d1641SHerbert Xu 1330eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1331eb1d1641SHerbert Xu { 1332eb1d1641SHerbert Xu } 13335cb5e947SHerbert Xu 1334a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1335a7ce45a7SNikolay Aleksandrov { 1336a7ce45a7SNikolay Aleksandrov } 1337a7ce45a7SNikolay Aleksandrov 133837b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 133937b090e6SNikolay Aleksandrov struct sk_buff *skb, 1340adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 134137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13425cb5e947SHerbert Xu { 13435cb5e947SHerbert Xu } 13445cb5e947SHerbert Xu 1345adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1346bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1347eb1d1641SHerbert Xu { 134803aaa9e2SGustavo A. R. Silva return false; 1349eb1d1641SHerbert Xu } 135037b090e6SNikolay Aleksandrov 1351adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1352c43fd36fSVladimir Oltean struct ethhdr *eth, 1353c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1354b00589afSLinus Lüssing { 1355b00589afSLinus Lüssing return false; 1356b00589afSLinus Lüssing } 135737b090e6SNikolay Aleksandrov 1358fdb184d1SRami Rosen static inline void br_mdb_init(void) 1359fdb184d1SRami Rosen { 1360fdb184d1SRami Rosen } 136137b090e6SNikolay Aleksandrov 1362fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1363fdb184d1SRami Rosen { 1364fdb184d1SRami Rosen } 13651080ab95SNikolay Aleksandrov 136619e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 136719e3a9c9SNikolay Aleksandrov { 136819e3a9c9SNikolay Aleksandrov return 0; 136919e3a9c9SNikolay Aleksandrov } 137019e3a9c9SNikolay Aleksandrov 137119e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 137219e3a9c9SNikolay Aleksandrov { 137319e3a9c9SNikolay Aleksandrov } 137419e3a9c9SNikolay Aleksandrov 13751080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13761080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1377a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1378a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13791080ab95SNikolay Aleksandrov { 13801080ab95SNikolay Aleksandrov } 13811080ab95SNikolay Aleksandrov 13821080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13831080ab95SNikolay Aleksandrov { 13841080ab95SNikolay Aleksandrov return 0; 13851080ab95SNikolay Aleksandrov } 13861080ab95SNikolay Aleksandrov 1387b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1388b6fe0440SIdo Schimmel { 1389b6fe0440SIdo Schimmel } 1390b6fe0440SIdo Schimmel 13911080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13921080ab95SNikolay Aleksandrov { 13931080ab95SNikolay Aleksandrov return 0; 13941080ab95SNikolay Aleksandrov } 1395613d61dbSNikolay Aleksandrov 1396613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1397613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1398613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1399613d61dbSNikolay Aleksandrov { 1400613d61dbSNikolay Aleksandrov } 1401613d61dbSNikolay Aleksandrov 1402613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1403613d61dbSNikolay Aleksandrov { 1404613d61dbSNikolay Aleksandrov } 1405613d61dbSNikolay Aleksandrov 1406613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1407613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1408613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1409613d61dbSNikolay Aleksandrov { 1410613d61dbSNikolay Aleksandrov } 1411613d61dbSNikolay Aleksandrov 1412613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1413613d61dbSNikolay Aleksandrov { 1414613d61dbSNikolay Aleksandrov } 14157b54aaafSNikolay Aleksandrov 14167b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14177b54aaafSNikolay Aleksandrov bool on) 14187b54aaafSNikolay Aleksandrov { 14197b54aaafSNikolay Aleksandrov } 1420f4b7002aSNikolay Aleksandrov 1421f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1422f4b7002aSNikolay Aleksandrov bool on, 1423f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1424f4b7002aSNikolay Aleksandrov { 1425f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1426f4b7002aSNikolay Aleksandrov } 14279dee572cSNikolay Aleksandrov 14289dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14299dee572cSNikolay Aleksandrov bool on) 14309dee572cSNikolay Aleksandrov { 14319dee572cSNikolay Aleksandrov return false; 14329dee572cSNikolay Aleksandrov } 14334e51bf44SVladimir Oltean 1434df271cd6SNikolay Aleksandrov static inline bool 1435df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1436df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1437df271cd6SNikolay Aleksandrov { 1438df271cd6SNikolay Aleksandrov return true; 1439df271cd6SNikolay Aleksandrov } 144085b35269SSridhar Samudrala #endif 1441eb1d1641SHerbert Xu 1442243a2e63SVlad Yasevich /* br_vlan.c */ 1443243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 144477751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 144577751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1446f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1447f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 144877751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 144985f46c6bSVlad Yasevich const struct sk_buff *skb); 1450e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1451348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 145211538d03SRoopa Prabhu const struct net_bridge_port *port, 14532594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 145478851988SVlad Yasevich struct sk_buff *skb); 1455f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1456169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1457348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1458348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14592594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1460204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14619e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14629e781401SVladimir Oltean struct netlink_ext_ack *extack); 1463dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1464dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14659e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14669e781401SVladimir Oltean struct netlink_ext_ack *extack); 14676dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14689163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14695be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14709e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14719e781401SVladimir Oltean struct netlink_ext_ack *extack); 1472169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1473169327d5SPetr Machata struct netlink_ext_ack *extack); 1474f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1475169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1476348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1477348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1478169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14792594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1480a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1481281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14829c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1483091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14849c0ec2e7SMike Manning void *ptr); 14858dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14868dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1487cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1488cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1489cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1490cf5bddb9SNikolay Aleksandrov int cmd); 1491a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1492a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1493a37b85c9SVlad Yasevich 1494bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1495bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1496bcf2766bSFelix Fietkau struct net_device_path *path); 1497bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1498bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1499bcf2766bSFelix Fietkau struct net_device_path *path); 1500bcf2766bSFelix Fietkau 15012594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1502a37b85c9SVlad Yasevich const struct net_bridge *br) 1503a37b85c9SVlad Yasevich { 1504907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1505a37b85c9SVlad Yasevich } 1506a37b85c9SVlad Yasevich 15072594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1508a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1509a37b85c9SVlad Yasevich { 1510907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1511907b1e6eSNikolay Aleksandrov } 1512907b1e6eSNikolay Aleksandrov 1513907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1514907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1515907b1e6eSNikolay Aleksandrov { 1516907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1517907b1e6eSNikolay Aleksandrov } 1518907b1e6eSNikolay Aleksandrov 1519907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1520907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1521907b1e6eSNikolay Aleksandrov { 1522907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1523a37b85c9SVlad Yasevich } 1524a37b85c9SVlad Yasevich 1525a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1526a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1527a37b85c9SVlad Yasevich */ 1528a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1529a37b85c9SVlad Yasevich { 1530a37b85c9SVlad Yasevich int err = 0; 1531a37b85c9SVlad Yasevich 15322594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15335978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15342594e906SNikolay Aleksandrov } else { 1535a37b85c9SVlad Yasevich *vid = 0; 1536a37b85c9SVlad Yasevich err = -EINVAL; 1537a37b85c9SVlad Yasevich } 1538a37b85c9SVlad Yasevich 1539a37b85c9SVlad Yasevich return err; 1540a37b85c9SVlad Yasevich } 154178851988SVlad Yasevich 154277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 154378851988SVlad Yasevich { 154477751ee8SNikolay Aleksandrov if (!vg) 15455be5a2dfSVlad Yasevich return 0; 15465be5a2dfSVlad Yasevich 154778851988SVlad Yasevich smp_rmb(); 154877751ee8SNikolay Aleksandrov return vg->pvid; 154978851988SVlad Yasevich } 155078851988SVlad Yasevich 15518dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15528dcea187SNikolay Aleksandrov { 15538dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15548dcea187SNikolay Aleksandrov } 1555243a2e63SVlad Yasevich #else 155677751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 155777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15582594e906SNikolay Aleksandrov struct sk_buff *skb, 1559f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1560f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1561f4b7002aSNikolay Aleksandrov 15622594e906SNikolay Aleksandrov { 1563f4b7002aSNikolay Aleksandrov *vlan = NULL; 15642594e906SNikolay Aleksandrov return true; 15652594e906SNikolay Aleksandrov } 15662594e906SNikolay Aleksandrov 15672594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 156885f46c6bSVlad Yasevich const struct sk_buff *skb) 156985f46c6bSVlad Yasevich { 157085f46c6bSVlad Yasevich return true; 157185f46c6bSVlad Yasevich } 157285f46c6bSVlad Yasevich 1573e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1574e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1575e0d7968aSToshiaki Makita { 1576e0d7968aSToshiaki Makita return true; 1577e0d7968aSToshiaki Makita } 1578e0d7968aSToshiaki Makita 157978851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 158011538d03SRoopa Prabhu const struct net_bridge_port *port, 15812594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 158278851988SVlad Yasevich struct sk_buff *skb) 158378851988SVlad Yasevich { 158478851988SVlad Yasevich return skb; 158578851988SVlad Yasevich } 158678851988SVlad Yasevich 1587f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1588169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1589243a2e63SVlad Yasevich { 1590f418af63SNikolay Aleksandrov *changed = false; 1591243a2e63SVlad Yasevich return -EOPNOTSUPP; 1592243a2e63SVlad Yasevich } 1593243a2e63SVlad Yasevich 1594243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1595243a2e63SVlad Yasevich { 1596243a2e63SVlad Yasevich return -EOPNOTSUPP; 1597243a2e63SVlad Yasevich } 1598243a2e63SVlad Yasevich 1599243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1600243a2e63SVlad Yasevich { 1601243a2e63SVlad Yasevich } 1602243a2e63SVlad Yasevich 1603204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1604204177f3SToshiaki Makita { 1605204177f3SToshiaki Makita } 1606204177f3SToshiaki Makita 16075be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 16088580e211SToshiaki Makita { 16095be5a2dfSVlad Yasevich return 0; 16108580e211SToshiaki Makita } 16118580e211SToshiaki Makita 1612f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1613169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1614243a2e63SVlad Yasevich { 1615f418af63SNikolay Aleksandrov *changed = false; 1616243a2e63SVlad Yasevich return -EOPNOTSUPP; 1617243a2e63SVlad Yasevich } 1618243a2e63SVlad Yasevich 1619243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1620243a2e63SVlad Yasevich { 1621243a2e63SVlad Yasevich return -EOPNOTSUPP; 1622243a2e63SVlad Yasevich } 1623243a2e63SVlad Yasevich 1624243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1625243a2e63SVlad Yasevich { 1626243a2e63SVlad Yasevich } 1627243a2e63SVlad Yasevich 16282594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16292594e906SNikolay Aleksandrov u16 vid) 1630a37b85c9SVlad Yasevich { 1631a37b85c9SVlad Yasevich return NULL; 1632a37b85c9SVlad Yasevich } 1633bc9a25d2SVlad Yasevich 1634169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1635169327d5SPetr Machata struct netlink_ext_ack *extack) 16365be5a2dfSVlad Yasevich { 16375be5a2dfSVlad Yasevich return 0; 16385be5a2dfSVlad Yasevich } 16395be5a2dfSVlad Yasevich 164078851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1641a37b85c9SVlad Yasevich { 1642a37b85c9SVlad Yasevich return 0; 1643a37b85c9SVlad Yasevich } 16442594e906SNikolay Aleksandrov 164577751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 164678851988SVlad Yasevich { 16473df6bf45SVlad Yasevich return 0; 164878851988SVlad Yasevich } 16492796d0c6SVlad Yasevich 16507a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1651c97f47e3SVladimir Oltean unsigned long val, 1652c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1653a7854037SNikolay Aleksandrov { 1654a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1655a7854037SNikolay Aleksandrov } 16562594e906SNikolay Aleksandrov 16572594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16582594e906SNikolay Aleksandrov u32 filter_mask) 16592594e906SNikolay Aleksandrov { 16602594e906SNikolay Aleksandrov return 0; 16612594e906SNikolay Aleksandrov } 16622594e906SNikolay Aleksandrov 1663bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1664bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1665bcf2766bSFelix Fietkau struct net_device_path *path) 1666bcf2766bSFelix Fietkau { 1667bcf2766bSFelix Fietkau } 1668bcf2766bSFelix Fietkau 1669bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1670bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1671bcf2766bSFelix Fietkau struct net_device_path *path) 1672bcf2766bSFelix Fietkau { 1673bcf2766bSFelix Fietkau return 0; 1674bcf2766bSFelix Fietkau } 1675bcf2766bSFelix Fietkau 16762594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16772594e906SNikolay Aleksandrov const struct net_bridge *br) 16782594e906SNikolay Aleksandrov { 16792594e906SNikolay Aleksandrov return NULL; 16802594e906SNikolay Aleksandrov } 16812594e906SNikolay Aleksandrov 16822594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16832594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16842594e906SNikolay Aleksandrov { 16852594e906SNikolay Aleksandrov return NULL; 16862594e906SNikolay Aleksandrov } 1687907b1e6eSNikolay Aleksandrov 1688907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1689907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1690907b1e6eSNikolay Aleksandrov { 1691907b1e6eSNikolay Aleksandrov return NULL; 1692907b1e6eSNikolay Aleksandrov } 1693907b1e6eSNikolay Aleksandrov 1694907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1695907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1696907b1e6eSNikolay Aleksandrov { 1697907b1e6eSNikolay Aleksandrov return NULL; 1698907b1e6eSNikolay Aleksandrov } 1699a60c0903SNikolay Aleksandrov 1700a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1701281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1702a60c0903SNikolay Aleksandrov { 1703a60c0903SNikolay Aleksandrov } 17049c0ec2e7SMike Manning 17059c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 17069c0ec2e7SMike Manning unsigned long event) 17079c0ec2e7SMike Manning { 17089c0ec2e7SMike Manning } 17099c0ec2e7SMike Manning 1710091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17119c0ec2e7SMike Manning unsigned long event, void *ptr) 17129c0ec2e7SMike Manning { 1713091adf9bSNikolay Aleksandrov return 0; 17149c0ec2e7SMike Manning } 17158dcea187SNikolay Aleksandrov 17168dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17178dcea187SNikolay Aleksandrov { 17188dcea187SNikolay Aleksandrov } 17198dcea187SNikolay Aleksandrov 17208dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17218dcea187SNikolay Aleksandrov { 17228dcea187SNikolay Aleksandrov } 1723cf5bddb9SNikolay Aleksandrov 1724cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1725cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1726cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1727cf5bddb9SNikolay Aleksandrov int cmd) 1728cf5bddb9SNikolay Aleksandrov { 1729cf5bddb9SNikolay Aleksandrov } 1730528ae84aSNikolay Aleksandrov 1731528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1732528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1733528ae84aSNikolay Aleksandrov { 1734528ae84aSNikolay Aleksandrov return true; 1735528ae84aSNikolay Aleksandrov } 17364e51bf44SVladimir Oltean 1737c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1738c5f6e5ebSVladimir Oltean { 1739c5f6e5ebSVladimir Oltean return 0; 1740c5f6e5ebSVladimir Oltean } 1741c5f6e5ebSVladimir Oltean 1742243a2e63SVlad Yasevich #endif 1743243a2e63SVlad Yasevich 17447a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17457a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 174699f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 174799f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17487a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17497a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1750a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1751a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1752a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1753a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1754a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1755a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 175647ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 175747ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 175847ecd2dbSNikolay Aleksandrov int cmd, 175947ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1760743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1761743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1762743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1763743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1764a580c76dSNikolay Aleksandrov 1765a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1766a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1767a580c76dSNikolay Aleksandrov { 1768a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1769a580c76dSNikolay Aleksandrov } 1770a580c76dSNikolay Aleksandrov 1771a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1772a580c76dSNikolay Aleksandrov { 1773a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1774a580c76dSNikolay Aleksandrov } 1775a580c76dSNikolay Aleksandrov 1776a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1777a580c76dSNikolay Aleksandrov { 1778a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1779a580c76dSNikolay Aleksandrov } 1780a580c76dSNikolay Aleksandrov 1781a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1782a580c76dSNikolay Aleksandrov u8 state) 1783a580c76dSNikolay Aleksandrov { 1784a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1785a580c76dSNikolay Aleksandrov } 1786a580c76dSNikolay Aleksandrov 1787a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1788a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1789a580c76dSNikolay Aleksandrov { 1790a580c76dSNikolay Aleksandrov switch (state) { 1791a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1792a580c76dSNikolay Aleksandrov return learn_allow; 1793a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1794a580c76dSNikolay Aleksandrov return true; 1795a580c76dSNikolay Aleksandrov default: 1796a580c76dSNikolay Aleksandrov return false; 1797a580c76dSNikolay Aleksandrov } 1798a580c76dSNikolay Aleksandrov } 17997a53e718SNikolay Aleksandrov #endif 18007a53e718SNikolay Aleksandrov 1801ec7328b5STobias Waldekranz /* br_mst.c */ 1802ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1803ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1804ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1805ec7328b5STobias Waldekranz { 1806ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1807ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1808ec7328b5STobias Waldekranz } 1809ec7328b5STobias Waldekranz 1810ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1811ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18128c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1813ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1814ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1815ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1816122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1817122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1818122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1819122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1820122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1821ec7328b5STobias Waldekranz #else 1822ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1823ec7328b5STobias Waldekranz { 1824ec7328b5STobias Waldekranz return false; 1825ec7328b5STobias Waldekranz } 1826ec7328b5STobias Waldekranz 1827ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1828ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1829ec7328b5STobias Waldekranz { 1830ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1831ec7328b5STobias Waldekranz } 1832ec7328b5STobias Waldekranz 1833ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1834ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1835ec7328b5STobias Waldekranz { 1836ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1837ec7328b5STobias Waldekranz } 1838122c2948STobias Waldekranz 1839122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1840122c2948STobias Waldekranz { 1841122c2948STobias Waldekranz return 0; 1842122c2948STobias Waldekranz } 1843122c2948STobias Waldekranz 1844122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1845122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1846122c2948STobias Waldekranz { 1847122c2948STobias Waldekranz return -EOPNOTSUPP; 1848122c2948STobias Waldekranz } 1849122c2948STobias Waldekranz 1850122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1851122c2948STobias Waldekranz const struct nlattr *mst_attr, 1852122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1853122c2948STobias Waldekranz { 1854122c2948STobias Waldekranz return -EOPNOTSUPP; 1855122c2948STobias Waldekranz } 1856ec7328b5STobias Waldekranz #endif 1857ec7328b5STobias Waldekranz 18581a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18591a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18601a4ba64dSPablo Neira Ayuso }; 18611a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18621a4ba64dSPablo Neira Ayuso 18631da177e4SLinus Torvalds /* br_netfilter.c */ 186434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 186534666d46SPablo Neira Ayuso int br_nf_core_init(void); 186634666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1867348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1868c0909713SStephen Hemminger #else 186934666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 187034666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18714adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1872c0909713SStephen Hemminger #endif 18731da177e4SLinus Torvalds 18741da177e4SLinus Torvalds /* br_stp.c */ 1875775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1876348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1877348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1878348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18791da177e4SLinus Torvalds 1880348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1881348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1882348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1883348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 188482dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18859e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 188614f98f25Sstephen hemminger 188714f98f25Sstephen hemminger 18881da177e4SLinus Torvalds /* br_stp_if.c */ 1889348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1890348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1891419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1892419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1893348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1894348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1895348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1896348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1897348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1898348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1899348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1900348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 19011da177e4SLinus Torvalds 19021da177e4SLinus Torvalds /* br_stp_bpdu.c */ 19037c85fbf0SPatrick McHardy struct stp_proto; 1904348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 19057c85fbf0SPatrick McHardy struct net_device *dev); 19061da177e4SLinus Torvalds 19071da177e4SLinus Torvalds /* br_stp_timer.c */ 1908348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1909348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1910348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19111da177e4SLinus Torvalds 19121da177e4SLinus Torvalds /* br.c */ 1913e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1914da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1915da678292SMichał Mirosław #endif 19161da177e4SLinus Torvalds 191765369933SHoratiu Vultur /* br_mrp.c */ 191865369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 191965369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 192065369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 192165369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 192265369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1923df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 192465369933SHoratiu Vultur #else 192565369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 192665369933SHoratiu Vultur struct nlattr *attr, int cmd, 192765369933SHoratiu Vultur struct netlink_ext_ack *extack) 192865369933SHoratiu Vultur { 192965369933SHoratiu Vultur return -EOPNOTSUPP; 193065369933SHoratiu Vultur } 193165369933SHoratiu Vultur 193265369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 193365369933SHoratiu Vultur { 19348741e184SJason Yan return false; 193565369933SHoratiu Vultur } 193665369933SHoratiu Vultur 193765369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 193865369933SHoratiu Vultur struct net_bridge_port *p) 193965369933SHoratiu Vultur { 194065369933SHoratiu Vultur } 1941df42ef22SHoratiu Vultur 1942df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1943df42ef22SHoratiu Vultur { 1944df42ef22SHoratiu Vultur return 0; 1945df42ef22SHoratiu Vultur } 1946df42ef22SHoratiu Vultur 194765369933SHoratiu Vultur #endif 194865369933SHoratiu Vultur 19492be665c3SHenrik Bjoernlund /* br_cfm.c */ 195086a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19512be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19522be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19532be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 195486a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19555e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1956b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1957b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1958b6d0425bSHenrik Bjoernlund bool getlink); 1959b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1960b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 196186a14b79SHenrik Bjoernlund #else 19622be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19632be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19642be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19652be665c3SHenrik Bjoernlund { 19662be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19672be665c3SHenrik Bjoernlund } 19682be665c3SHenrik Bjoernlund 19692be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19702be665c3SHenrik Bjoernlund { 19712be665c3SHenrik Bjoernlund return false; 19722be665c3SHenrik Bjoernlund } 19732be665c3SHenrik Bjoernlund 197486a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 197586a14b79SHenrik Bjoernlund struct net_bridge_port *p) 197686a14b79SHenrik Bjoernlund { 197786a14b79SHenrik Bjoernlund } 19785e312fc0SHenrik Bjoernlund 19795e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19805e312fc0SHenrik Bjoernlund { 19815e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19825e312fc0SHenrik Bjoernlund } 1983e77824d8SHenrik Bjoernlund 1984b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1985b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1986b6d0425bSHenrik Bjoernlund bool getlink) 1987b6d0425bSHenrik Bjoernlund { 1988b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1989b6d0425bSHenrik Bjoernlund } 1990b6d0425bSHenrik Bjoernlund 1991b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1992b6d0425bSHenrik Bjoernlund { 1993829e050eSIvan Vecera *count = 0; 1994b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1995b6d0425bSHenrik Bjoernlund } 1996b6d0425bSHenrik Bjoernlund 1997b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1998e77824d8SHenrik Bjoernlund { 1999829e050eSIvan Vecera *count = 0; 2000e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 2001e77824d8SHenrik Bjoernlund } 200286a14b79SHenrik Bjoernlund #endif 200386a14b79SHenrik Bjoernlund 200411dc1f36SStephen Hemminger /* br_netlink.c */ 2005149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 2006348662a1SJoe Perches int br_netlink_init(void); 2007348662a1SJoe Perches void br_netlink_fini(void); 200892899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 200992899063SNikolay Aleksandrov const struct net_bridge_port *port); 2010b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2011b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20122fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20132fd527b7SPetr Machata struct netlink_ext_ack *extack); 2014add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2015348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 201646c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2017f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2018f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2019f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2020f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2021f26b2965SNikolay Aleksandrov bool *changed, 2022f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 202311dc1f36SStephen Hemminger 20241da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20251da177e4SLinus Torvalds /* br_sysfs_if.c */ 202652cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2027348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2028348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvalds /* br_sysfs_br.c */ 2031348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2032348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvalds #else 20351da177e4SLinus Torvalds 20360cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20370cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20380cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20390cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20401da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20411da177e4SLinus Torvalds 20426bc506b4SIdo Schimmel /* br_switchdev.c */ 20436bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2044957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2045957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2046957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2047957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2048957e2235SVladimir Oltean bool tx_fwd_offload, 2049957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2050957e2235SVladimir Oltean 2051957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2052957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2053957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2054957e2235SVladimir Oltean 205547211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 205647211192STobias Waldekranz 2057c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2058c5381154SVladimir Oltean 205947211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 206047211192STobias Waldekranz struct sk_buff *skb); 206147211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 206247211192STobias Waldekranz struct sk_buff *skb); 20636bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20646bc506b4SIdo Schimmel struct sk_buff *skb); 20656bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20666bc506b4SIdo Schimmel const struct sk_buff *skb); 20673922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20683922285dSArkadi Sharshevsky unsigned long flags, 2069078bbb85SVladimir Oltean unsigned long mask, 2070078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20716eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20726eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2073ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2074ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2075ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2076ae039350SVladimir Oltean int type); 2077169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20788d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2079d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 208085826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2081f1c2eddfSIdo Schimmel 2082f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2083f1c2eddfSIdo Schimmel { 2084f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2085f1c2eddfSIdo Schimmel } 20866bc506b4SIdo Schimmel #else 2087957e2235SVladimir Oltean static inline int 2088957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2089957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2090957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2091957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2092957e2235SVladimir Oltean bool tx_fwd_offload, 2093957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2094957e2235SVladimir Oltean { 2095957e2235SVladimir Oltean return -EOPNOTSUPP; 2096957e2235SVladimir Oltean } 2097957e2235SVladimir Oltean 2098957e2235SVladimir Oltean static inline void 2099957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2100957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2101957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2102957e2235SVladimir Oltean { 2103957e2235SVladimir Oltean } 2104957e2235SVladimir Oltean 210547211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 210647211192STobias Waldekranz { 210747211192STobias Waldekranz return false; 210847211192STobias Waldekranz } 210947211192STobias Waldekranz 2110c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2111c5381154SVladimir Oltean { 2112c5381154SVladimir Oltean } 2113c5381154SVladimir Oltean 211447211192STobias Waldekranz static inline void 211547211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 211647211192STobias Waldekranz struct sk_buff *skb) 211747211192STobias Waldekranz { 211847211192STobias Waldekranz } 211947211192STobias Waldekranz 212047211192STobias Waldekranz static inline void 212147211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 212247211192STobias Waldekranz struct sk_buff *skb) 212347211192STobias Waldekranz { 212447211192STobias Waldekranz } 212547211192STobias Waldekranz 21266bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21276bc506b4SIdo Schimmel struct sk_buff *skb) 21286bc506b4SIdo Schimmel { 21296bc506b4SIdo Schimmel } 21306bc506b4SIdo Schimmel 21316bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21326bc506b4SIdo Schimmel const struct sk_buff *skb) 21336bc506b4SIdo Schimmel { 21346bc506b4SIdo Schimmel return true; 21356bc506b4SIdo Schimmel } 21363922285dSArkadi Sharshevsky 21373922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21383922285dSArkadi Sharshevsky unsigned long flags, 2139078bbb85SVladimir Oltean unsigned long mask, 2140078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21413922285dSArkadi Sharshevsky { 21423922285dSArkadi Sharshevsky return 0; 21433922285dSArkadi Sharshevsky } 21446b26b51bSArkadi Sharshevsky 21458d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21468d23a54fSVladimir Oltean u16 flags, bool changed, 2147169327d5SPetr Machata struct netlink_ext_ack *extack) 2148d66e4348SPetr Machata { 2149d66e4348SPetr Machata return -EOPNOTSUPP; 2150d66e4348SPetr Machata } 2151d66e4348SPetr Machata 2152d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2153d66e4348SPetr Machata { 2154d66e4348SPetr Machata return -EOPNOTSUPP; 2155d66e4348SPetr Machata } 2156d66e4348SPetr Machata 21576b26b51bSArkadi Sharshevsky static inline void 21586eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21596eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21606b26b51bSArkadi Sharshevsky { 21616b26b51bSArkadi Sharshevsky } 2162f1c2eddfSIdo Schimmel 2163ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2164ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2165ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2166ae039350SVladimir Oltean int type) 2167ae039350SVladimir Oltean { 2168ae039350SVladimir Oltean } 2169ae039350SVladimir Oltean 2170f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2171f1c2eddfSIdo Schimmel { 2172f1c2eddfSIdo Schimmel } 217385826610STobias Waldekranz 217485826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 217585826610STobias Waldekranz { 217685826610STobias Waldekranz } 217785826610STobias Waldekranz 21786bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21796bc506b4SIdo Schimmel 2180057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2181821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2182057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2183057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2184ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2185ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2186ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 21871da177e4SLinus Torvalds #endif 2188