12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 3199b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 32f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 33d08c6bc0SNikolay Aleksandrov 3485826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3585826610STobias Waldekranz 369cde0708SStephen Hemminger #define BR_VERSION "2.3" 379cde0708SStephen Hemminger 38515853ccSstephen hemminger /* Control of forwarding link local multicast */ 39515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 40784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 415af48b59SNikolay Aleksandrov enum { 425af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 435af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 455af48b59SNikolay Aleksandrov }; 465af48b59SNikolay Aleksandrov 475af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 485af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 49f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 50f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 51515853ccSstephen hemminger 529cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 539cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 548cbb512eSStephen Hemminger 5531cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5631cbc39bSNikolay Aleksandrov 571da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 581da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 591da177e4SLinus Torvalds typedef __u16 port_id; 601da177e4SLinus Torvalds 611c1cb6d0SNikolay Aleksandrov struct bridge_id { 621da177e4SLinus Torvalds unsigned char prio[2]; 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661c1cb6d0SNikolay Aleksandrov struct mac_addr { 67e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 70cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 71cc0fdd80SLinus Lüssing /* our own querier */ 7290010b36SLinus Lüssing struct bridge_mcast_own_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing u32 startup_sent; 75cc0fdd80SLinus Lüssing }; 76cc0fdd80SLinus Lüssing 77cc0fdd80SLinus Lüssing /* other querier */ 7890010b36SLinus Lüssing struct bridge_mcast_other_query { 79cc0fdd80SLinus Lüssing struct timer_list timer; 80cc0fdd80SLinus Lüssing unsigned long delay_time; 81cc0fdd80SLinus Lüssing }; 82dc4eb53aSLinus Lüssing 83dc4eb53aSLinus Lüssing /* selected querier */ 84dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 85dc4eb53aSLinus Lüssing struct br_ip addr; 86bb18ef8eSNikolay Aleksandrov int port_ifidx; 87f936bb42SThomas Gleixner seqcount_spinlock_t seq; 88dc4eb53aSLinus Lüssing }; 891080ab95SNikolay Aleksandrov 901080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 911080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 921080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 931080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 941080ab95SNikolay Aleksandrov }; 95cb453926SIdo Schimmel 96b1c8fec8SIdo Schimmel struct br_mdb_src_entry { 97b1c8fec8SIdo Schimmel struct br_ip addr; 98b1c8fec8SIdo Schimmel }; 99b1c8fec8SIdo Schimmel 100cb453926SIdo Schimmel struct br_mdb_config { 101cb453926SIdo Schimmel struct net_bridge *br; 102cb453926SIdo Schimmel struct net_bridge_port *p; 103cb453926SIdo Schimmel struct br_mdb_entry *entry; 104cb453926SIdo Schimmel struct br_ip group; 105079afd66SIdo Schimmel bool src_entry; 106b1c8fec8SIdo Schimmel u8 filter_mode; 10761f21835SIdo Schimmel u16 nlflags; 108b1c8fec8SIdo Schimmel struct br_mdb_src_entry *src_entries; 109b1c8fec8SIdo Schimmel int num_src_entries; 1101d7b66a7SIdo Schimmel u8 rt_protocol; 111cb453926SIdo Schimmel }; 112cc0fdd80SLinus Lüssing #endif 113cc0fdd80SLinus Lüssing 1149632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 1159632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 1169632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1179632233eSNikolay Aleksandrov struct net_bridge_port *port; 118613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1199632233eSNikolay Aleksandrov 1209632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1219632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1229632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1239632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1249632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1259632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1269632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1279632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1289632233eSNikolay Aleksandrov unsigned char multicast_router; 1299632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1309632233eSNikolay Aleksandrov }; 1319632233eSNikolay Aleksandrov 132d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 133d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 134d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 135d3d065c0SNikolay Aleksandrov struct net_bridge *br; 136613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 137d3d065c0SNikolay Aleksandrov 138d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 139d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 140d3d065c0SNikolay Aleksandrov 1414d5b4e84SNikolay Aleksandrov u8 multicast_querier; 142d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 143d3d065c0SNikolay Aleksandrov u8 multicast_router; 144d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 145d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 146d3d065c0SNikolay Aleksandrov #endif 147d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 148d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 149d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 150d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 151d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 152d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 153d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 154d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 155d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 156d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 157d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 158d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 159d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 160d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 161d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 162d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 163d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 164d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 165d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 166d3d065c0SNikolay Aleksandrov }; 167d3d065c0SNikolay Aleksandrov 168efa5356bSRoopa Prabhu struct br_tunnel_info { 169efa5356bSRoopa Prabhu __be64 tunnel_id; 17058e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 171efa5356bSRoopa Prabhu }; 172efa5356bSRoopa Prabhu 1739d332e69SNikolay Aleksandrov /* private vlan flags */ 1749d332e69SNikolay Aleksandrov enum { 1759d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 17627973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1777b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1787b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1799d332e69SNikolay Aleksandrov }; 1809d332e69SNikolay Aleksandrov 1812594e906SNikolay Aleksandrov /** 1822594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1832594e906SNikolay Aleksandrov * 1842594e906SNikolay Aleksandrov * @vnode: rhashtable member 1852594e906SNikolay Aleksandrov * @vid: VLAN id 1862594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1879d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 188a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1896dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1902594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1912594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1922594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1932594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1942594e906SNikolay Aleksandrov * for this VLAN entry 195613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 196613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 197613d61dbSNikolay Aleksandrov * context 198ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 1992594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 2002594e906SNikolay Aleksandrov * @rcu: used for entry destruction 2012594e906SNikolay Aleksandrov * 2022594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 2032594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 2042594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 2052594e906SNikolay Aleksandrov * the entry flags that are set. 2062594e906SNikolay Aleksandrov */ 2072594e906SNikolay Aleksandrov struct net_bridge_vlan { 2082594e906SNikolay Aleksandrov struct rhash_head vnode; 209efa5356bSRoopa Prabhu struct rhash_head tnode; 2102594e906SNikolay Aleksandrov u16 vid; 2112594e906SNikolay Aleksandrov u16 flags; 2129d332e69SNikolay Aleksandrov u16 priv_flags; 213a580c76dSNikolay Aleksandrov u8 state; 214281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 215243a2e63SVlad Yasevich union { 216243a2e63SVlad Yasevich struct net_bridge *br; 2172594e906SNikolay Aleksandrov struct net_bridge_port *port; 2182594e906SNikolay Aleksandrov }; 2192594e906SNikolay Aleksandrov union { 22025127759SReshetova, Elena refcount_t refcnt; 2212594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2222594e906SNikolay Aleksandrov }; 223efa5356bSRoopa Prabhu 224efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 225efa5356bSRoopa Prabhu 226613d61dbSNikolay Aleksandrov union { 227613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 228613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 229613d61dbSNikolay Aleksandrov }; 230613d61dbSNikolay Aleksandrov 231ec7328b5STobias Waldekranz u16 msti; 232ec7328b5STobias Waldekranz 2332594e906SNikolay Aleksandrov struct list_head vlist; 2342594e906SNikolay Aleksandrov 235243a2e63SVlad Yasevich struct rcu_head rcu; 2362594e906SNikolay Aleksandrov }; 2372594e906SNikolay Aleksandrov 2382594e906SNikolay Aleksandrov /** 2392594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2402594e906SNikolay Aleksandrov * 2412594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2422594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2432594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 24477751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 245a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2462594e906SNikolay Aleksandrov * 2472594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2482594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2492594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2502594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2512594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2522594e906SNikolay Aleksandrov */ 2532594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2542594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 255efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2562594e906SNikolay Aleksandrov struct list_head vlan_list; 2576cbdceebSVlad Yasevich u16 num_vlans; 25877751ee8SNikolay Aleksandrov u16 pvid; 259a580c76dSNikolay Aleksandrov u8 pvid_state; 260243a2e63SVlad Yasevich }; 261243a2e63SVlad Yasevich 2626869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2636869c3b0SNikolay Aleksandrov enum { 2646869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 26529e63fffSNikolay Aleksandrov BR_FDB_STATIC, 266e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 267ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 268b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 269d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 27031cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 271a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 272a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2736869c3b0SNikolay Aleksandrov }; 2746869c3b0SNikolay Aleksandrov 275eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 276eb793583SNikolay Aleksandrov mac_addr addr; 277eb793583SNikolay Aleksandrov u16 vlan_id; 278eb793583SNikolay Aleksandrov }; 279eb793583SNikolay Aleksandrov 2801214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 281eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2821da177e4SLinus Torvalds struct net_bridge_port *dst; 2831da177e4SLinus Torvalds 284eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 285eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2866869c3b0SNikolay Aleksandrov unsigned long flags; 2871214628cSNikolay Aleksandrov 2881214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2891214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2901214628cSNikolay Aleksandrov unsigned long used; 2911214628cSNikolay Aleksandrov 292b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2931da177e4SLinus Torvalds }; 2941da177e4SLinus Torvalds 2951f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 2961f78ee14SNikolay Aleksandrov unsigned long flags; 2971f78ee14SNikolay Aleksandrov unsigned long flags_mask; 2981f78ee14SNikolay Aleksandrov int port_ifindex; 2991f78ee14SNikolay Aleksandrov u16 vlan_id; 3001f78ee14SNikolay Aleksandrov }; 3011f78ee14SNikolay Aleksandrov 3029d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 3039d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 3043247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 3058266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 3069116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 3079d06b6d8SElad Raz 3088b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 3098b671779SNikolay Aleksandrov 3108b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 3118b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 312b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 313a01ecb17SIdo Schimmel #define BR_SGRP_F_USER_ADDED BIT(3) 3148b671779SNikolay Aleksandrov 315e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 316e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 317e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 318e12cec65SNikolay Aleksandrov }; 319e12cec65SNikolay Aleksandrov 3208b671779SNikolay Aleksandrov struct net_bridge_group_src { 3218b671779SNikolay Aleksandrov struct hlist_node node; 3228b671779SNikolay Aleksandrov 3238b671779SNikolay Aleksandrov struct br_ip addr; 3248b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3258b671779SNikolay Aleksandrov u8 flags; 326438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3278b671779SNikolay Aleksandrov struct timer_list timer; 3288b671779SNikolay Aleksandrov 3298b671779SNikolay Aleksandrov struct net_bridge *br; 330e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3318b671779SNikolay Aleksandrov struct rcu_head rcu; 3328b671779SNikolay Aleksandrov }; 3338b671779SNikolay Aleksandrov 334085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 335eb1d1641SHerbert Xu struct net_bridge_port *port; 3368ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 337085b53c8SNikolay Aleksandrov }; 338085b53c8SNikolay Aleksandrov 339085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 340085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 341085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 342206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3439d06b6d8SElad Raz unsigned char flags; 3448b671779SNikolay Aleksandrov unsigned char filter_mode; 34542c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3468f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3476ec0d0eeSNikolay Aleksandrov 3488b671779SNikolay Aleksandrov struct hlist_head src_list; 3498b671779SNikolay Aleksandrov unsigned int src_ents; 3506ec0d0eeSNikolay Aleksandrov struct timer_list timer; 35142c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3526ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3538f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3548f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3556ec0d0eeSNikolay Aleksandrov 356085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 357e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3586ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 359eb1d1641SHerbert Xu }; 360eb1d1641SHerbert Xu 3611c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 36219e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 363eb1d1641SHerbert Xu struct net_bridge *br; 364e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3658ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 366ff0fd34eSAndrew Lunn bool host_joined; 3676ec0d0eeSNikolay Aleksandrov 3686ec0d0eeSNikolay Aleksandrov struct timer_list timer; 36919e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3706ec0d0eeSNikolay Aleksandrov 371e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3726ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 373eb1d1641SHerbert Xu }; 374eb1d1641SHerbert Xu 3751f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3761da177e4SLinus Torvalds struct net_bridge *br; 3771da177e4SLinus Torvalds struct net_device *dev; 378b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3791da177e4SLinus Torvalds struct list_head list; 3801da177e4SLinus Torvalds 3811f90c7f3SNikolay Aleksandrov unsigned long flags; 3821f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3831f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3841f90c7f3SNikolay Aleksandrov #endif 3852756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3861f90c7f3SNikolay Aleksandrov 3871da177e4SLinus Torvalds /* STP */ 3881da177e4SLinus Torvalds u8 priority; 3891da177e4SLinus Torvalds u8 state; 3901da177e4SLinus Torvalds u16 port_no; 3911da177e4SLinus Torvalds unsigned char topology_change_ack; 3921da177e4SLinus Torvalds unsigned char config_pending; 3931da177e4SLinus Torvalds port_id port_id; 3941da177e4SLinus Torvalds port_id designated_port; 3951da177e4SLinus Torvalds bridge_id designated_root; 3961da177e4SLinus Torvalds bridge_id designated_bridge; 3971da177e4SLinus Torvalds u32 path_cost; 3981da177e4SLinus Torvalds u32 designated_cost; 3990c03150eSstephen hemminger unsigned long designated_age; 4001da177e4SLinus Torvalds 4011da177e4SLinus Torvalds struct timer_list forward_delay_timer; 4021da177e4SLinus Torvalds struct timer_list hold_timer; 4031da177e4SLinus Torvalds struct timer_list message_age_timer; 4041da177e4SLinus Torvalds struct kobject kobj; 4051da177e4SLinus Torvalds struct rcu_head rcu; 4063982d3d2SFischer, Anna 4079632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 4089632233eSNikolay Aleksandrov 409eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 4109632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 4119632233eSNikolay Aleksandrov 41289268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 41389268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 414eb1d1641SHerbert Xu struct hlist_head mglist; 415eb1d1641SHerbert Xu #endif 416e0f43752SSimon Arlott 417e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 418e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 419e0f43752SSimon Arlott #endif 42091d2c34aSHerbert Xu 42191d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 42291d2c34aSHerbert Xu struct netpoll *np; 42391d2c34aSHerbert Xu #endif 4246bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 425f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 426f7cf972fSTobias Waldekranz * hardware domain. 427f7cf972fSTobias Waldekranz */ 428f7cf972fSTobias Waldekranz int hwdom; 4292f5dc00fSVladimir Oltean int offload_count; 4302f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4316bc506b4SIdo Schimmel #endif 4325af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4332756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 434de179966SVivien Didelot 435de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4361da177e4SLinus Torvalds }; 4371da177e4SLinus Torvalds 438705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 439705e0deaSTyler Hicks 440e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 441f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 442e028e4b8SVlad Yasevich 443b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 444b5ed54e9Sstephen hemminger { 445716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 446b5ed54e9Sstephen hemminger } 447b5ed54e9Sstephen hemminger 4481fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 449b5ed54e9Sstephen hemminger { 45035f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 451ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 452b5ed54e9Sstephen hemminger } 453b5ed54e9Sstephen hemminger 4540baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4550baa10ffSArkadi Sharshevsky { 45635f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4570baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4580baa10ffSArkadi Sharshevsky } 4590baa10ffSArkadi Sharshevsky 460ae75767eSNikolay Aleksandrov enum net_bridge_opts { 461ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 462ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4638df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4648df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4658df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 466be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 46713cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 468675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 469675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 470675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 471c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4723341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4739163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 47470e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4759c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 476f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 477ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 478ae75767eSNikolay Aleksandrov }; 479ae75767eSNikolay Aleksandrov 4801f90c7f3SNikolay Aleksandrov struct net_bridge { 4811da177e4SLinus Torvalds spinlock_t lock; 4821f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 48390c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4841da177e4SLinus Torvalds struct net_device *dev; 485ae75767eSNikolay Aleksandrov unsigned long options; 4861f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4871f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4881f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4891f90c7f3SNikolay Aleksandrov u16 default_pvid; 4901f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4911f90c7f3SNikolay Aleksandrov #endif 4921f90c7f3SNikolay Aleksandrov 493eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 49490c628ddSHenrik Bjoernlund struct list_head port_list; 49534666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 496efb6de9bSBernhard Thaler union { 4974adf0af6SSimon Wunderlich struct rtable fake_rtable; 498efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 499efb6de9bSBernhard Thaler }; 5004adf0af6SSimon Wunderlich #endif 501515853ccSstephen hemminger u16 group_fwd_mask; 502f2808d22SToshiaki Makita u16 group_fwd_mask_required; 503515853ccSstephen hemminger 5041da177e4SLinus Torvalds /* STP */ 5051da177e4SLinus Torvalds bridge_id designated_root; 5061da177e4SLinus Torvalds bridge_id bridge_id; 5071f90c7f3SNikolay Aleksandrov unsigned char topology_change; 5081f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 5091f90c7f3SNikolay Aleksandrov u16 root_port; 5101da177e4SLinus Torvalds unsigned long max_age; 5111da177e4SLinus Torvalds unsigned long hello_time; 5121da177e4SLinus Torvalds unsigned long forward_delay; 5131da177e4SLinus Torvalds unsigned long ageing_time; 51434d8acd8SVivien Didelot unsigned long bridge_max_age; 5151da177e4SLinus Torvalds unsigned long bridge_hello_time; 5161da177e4SLinus Torvalds unsigned long bridge_forward_delay; 51734d8acd8SVivien Didelot unsigned long bridge_ageing_time; 51835750b0bSNikolay Aleksandrov u32 root_path_cost; 5191da177e4SLinus Torvalds 520fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5219cde0708SStephen Hemminger 5229cde0708SStephen Hemminger enum { 5239cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5249cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5259cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5269cde0708SStephen Hemminger } stp_enabled; 5279cde0708SStephen Hemminger 528d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 529d3d065c0SNikolay Aleksandrov 530eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 531d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 532eb1d1641SHerbert Xu 533eb1d1641SHerbert Xu u32 hash_max; 534eb1d1641SHerbert Xu 53535750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 536eb1d1641SHerbert Xu 53719e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 538085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 53919e3a9c9SNikolay Aleksandrov 540e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 54119e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 542eb1d1641SHerbert Xu 543e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 544eb1d1641SHerbert Xu #endif 545eb1d1641SHerbert Xu 5461da177e4SLinus Torvalds struct timer_list hello_timer; 5471da177e4SLinus Torvalds struct timer_list tcn_timer; 5481da177e4SLinus Torvalds struct timer_list topology_change_timer; 549f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 55043b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 551e028e4b8SVlad Yasevich u32 auto_cnt; 5526bc506b4SIdo Schimmel 5536bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 554f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 555f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 556f7cf972fSTobias Waldekranz */ 557f7cf972fSTobias Waldekranz int last_hwdom; 55885826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 55985826610STobias Waldekranz unsigned long busy_hwdoms; 5606bc506b4SIdo Schimmel #endif 561eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5624b8d7d4cSHoratiu Vultur 5634b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5640169b820SHoratiu Vultur struct hlist_head mrp_list; 5654b8d7d4cSHoratiu Vultur #endif 566f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 567f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 568f323aa54SHenrik Bjoernlund #endif 5691da177e4SLinus Torvalds }; 5701da177e4SLinus Torvalds 57168b7c895SHerbert Xu struct br_input_skb_cb { 57268b7c895SHerbert Xu struct net_device *brdev; 57393fdd47eSHerbert Xu 5743c171f49SPablo Neira Ayuso u16 frag_max_size; 57532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 576f12064d1SFlorian Westphal u8 igmp; 577f12064d1SFlorian Westphal u8 mrouters_only:1; 57832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 579f12064d1SFlorian Westphal u8 proxyarp_replied:1; 580f12064d1SFlorian Westphal u8 src_port_isolated:1; 58120adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 582f12064d1SFlorian Westphal u8 vlan_filtered:1; 58320adfa1aSVlad Yasevich #endif 584223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 585223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 586223fd0adSFlorian Westphal #endif 5876bc506b4SIdo Schimmel 5886bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 58947211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 59047211192STobias Waldekranz * hardware domain. 59147211192STobias Waldekranz */ 59247211192STobias Waldekranz u8 tx_fwd_offload:1; 593f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 594f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 595f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 596f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 597f7cf972fSTobias Waldekranz */ 598f7cf972fSTobias Waldekranz int src_hwdom; 59947211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 60047211192STobias Waldekranz * transmitted using the TX data plane offload. 60147211192STobias Waldekranz */ 60247211192STobias Waldekranz unsigned long fwd_hwdoms; 6036bc506b4SIdo Schimmel #endif 60468b7c895SHerbert Xu }; 60568b7c895SHerbert Xu 60668b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 60768b7c895SHerbert Xu 60832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 60932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 61032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 61132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 61232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 61332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 61428a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 61528a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 61628a16c97Sstephen hemminger 61728a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 61828a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 61928a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 62028a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 62128a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 62228a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 62328a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 62428a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 62528a16c97Sstephen hemminger 62628a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 62728a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 62828a16c97Sstephen hemminger 6291da177e4SLinus Torvalds /* called under bridge lock */ 6301da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6311da177e4SLinus Torvalds { 6321da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6331da177e4SLinus Torvalds } 6341da177e4SLinus Torvalds 6352594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6362594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6372594e906SNikolay Aleksandrov { 6382594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6392594e906SNikolay Aleksandrov } 6402594e906SNikolay Aleksandrov 6412594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6422594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6432594e906SNikolay Aleksandrov { 6442594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6452594e906SNikolay Aleksandrov } 6462594e906SNikolay Aleksandrov 6476be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6482594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6492594e906SNikolay Aleksandrov { 6502594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6512594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6522594e906SNikolay Aleksandrov return true; 6532594e906SNikolay Aleksandrov else 6542594e906SNikolay Aleksandrov return false; 6552594e906SNikolay Aleksandrov } 6562594e906SNikolay Aleksandrov 6572594e906SNikolay Aleksandrov return true; 6582594e906SNikolay Aleksandrov } 6592594e906SNikolay Aleksandrov 6605d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6615d1fcaf3SNikolay Aleksandrov { 6625d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6635d1fcaf3SNikolay Aleksandrov } 6645d1fcaf3SNikolay Aleksandrov 6658f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6665a46facbSNikolay Aleksandrov { 6678f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6688f4cc940SNikolay Aleksandrov 6698f4cc940SNikolay Aleksandrov if (!ret) 6708f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6718f4cc940SNikolay Aleksandrov 6728f4cc940SNikolay Aleksandrov return ret; 6735a46facbSNikolay Aleksandrov } 6745a46facbSNikolay Aleksandrov 6755a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6768f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6778f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6785a46facbSNikolay Aleksandrov { 6795a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6808f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6818f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6825a46facbSNikolay Aleksandrov return false; 6838f4cc940SNikolay Aleksandrov } 6845a46facbSNikolay Aleksandrov 6855a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6865a46facbSNikolay Aleksandrov * - it has range start flag 6875a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6885a46facbSNikolay Aleksandrov */ 6895a46facbSNikolay Aleksandrov if (last) { 6908f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6918f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6925a46facbSNikolay Aleksandrov return false; 6938f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6948f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6958f4cc940SNikolay Aleksandrov return false; 6968f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6978f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6988f4cc940SNikolay Aleksandrov return false; 6998f4cc940SNikolay Aleksandrov } 7008f4cc940SNikolay Aleksandrov } 7018f4cc940SNikolay Aleksandrov 7028f4cc940SNikolay Aleksandrov /* check for required range flags */ 7038f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 7048f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 7058f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 7065a46facbSNikolay Aleksandrov return false; 7075a46facbSNikolay Aleksandrov } 7085a46facbSNikolay Aleksandrov 7095a46facbSNikolay Aleksandrov return true; 7105a46facbSNikolay Aleksandrov } 7115a46facbSNikolay Aleksandrov 7122796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 7132796d846SNikolay Aleksandrov { 7142796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 7152796d846SNikolay Aleksandrov 7162796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 7172796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7182796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7192796d846SNikolay Aleksandrov else 7202796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7212796d846SNikolay Aleksandrov #endif 7222796d846SNikolay Aleksandrov 7232796d846SNikolay Aleksandrov return mcast_router; 7242796d846SNikolay Aleksandrov } 7252796d846SNikolay Aleksandrov 726f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 727f545923bSNikolay Aleksandrov { 728f545923bSNikolay Aleksandrov switch (cmd) { 729f545923bSNikolay Aleksandrov case RTM_SETLINK: 730f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 731f545923bSNikolay Aleksandrov case RTM_DELLINK: 732f545923bSNikolay Aleksandrov return RTM_DELVLAN; 733f545923bSNikolay Aleksandrov } 734f545923bSNikolay Aleksandrov 735f545923bSNikolay Aleksandrov return 0; 736f545923bSNikolay Aleksandrov } 737f545923bSNikolay Aleksandrov 738ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 739ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 740ae75767eSNikolay Aleksandrov { 741ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 742ae75767eSNikolay Aleksandrov } 743ae75767eSNikolay Aleksandrov 744a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 745a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 746a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 747a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 748a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 749a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 750a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 751a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 752ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 753ae75767eSNikolay Aleksandrov 7541da177e4SLinus Torvalds /* br_device.c */ 755348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 756348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 757348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 758cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 75991d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 76091d2c34aSHerbert Xu struct sk_buff *skb) 76191d2c34aSHerbert Xu { 762f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 76391d2c34aSHerbert Xu } 76491d2c34aSHerbert Xu 765a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 766348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 76791d2c34aSHerbert Xu #else 7689f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 76991d2c34aSHerbert Xu struct sk_buff *skb) 77091d2c34aSHerbert Xu { 77191d2c34aSHerbert Xu } 77291d2c34aSHerbert Xu 773a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 77491d2c34aSHerbert Xu { 77591d2c34aSHerbert Xu return 0; 77691d2c34aSHerbert Xu } 77791d2c34aSHerbert Xu 77891d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 77991d2c34aSHerbert Xu { 78091d2c34aSHerbert Xu } 781cfb478daSstephen hemminger #endif 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds /* br_fdb.c */ 784564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 785564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 786564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 787564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 788564445fbSNikolay Aleksandrov 789348662a1SJoe Perches int br_fdb_init(void); 790348662a1SJoe Perches void br_fdb_fini(void); 791eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 792eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 7931f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 7941f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 795424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 796424bb9c9SToshiaki Makita const struct net_bridge_port *p, 797424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 798348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 799348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 800f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 801348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 8021ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 803bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 804bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 805bfd0aeacSNikolay Aleksandrov __u16 vid); 806348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 807348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 808348662a1SJoe Perches unsigned long off); 809f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 810348662a1SJoe Perches const unsigned char *addr, u16 vid); 811348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 812be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 81377162022SJohn Fastabend 814348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 815ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 816ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 817edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 818edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 819edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 820348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 82187b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 82287b0984eSPetr Machata struct netlink_ext_ack *extack); 823348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 824d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 82547674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 82647674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 82747674562SRoopa Prabhu struct netlink_ext_ack *extack); 8288db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8298db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8303aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 83145a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 83227fabd02SHans J. Schultz bool locked, bool swdev_notify); 8333aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 834161d82deSPetr Machata const unsigned char *addr, u16 vid, 835161d82deSPetr Machata bool swdev_notify); 8369fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 837e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8381da177e4SLinus Torvalds 8391da177e4SLinus Torvalds /* br_forward.c */ 8408addd5e7SNikolay Aleksandrov enum br_pkt_type { 8418addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8428addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8438addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8448addd5e7SNikolay Aleksandrov }; 8450c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 846b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 84737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8480c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 84937b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8508addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8511da177e4SLinus Torvalds 8527d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8537d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8547d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8557d850abdSNikolay Aleksandrov { 8567d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8577d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8587d850abdSNikolay Aleksandrov } 8597d850abdSNikolay Aleksandrov 8601da177e4SLinus Torvalds /* br_if.c */ 861faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 862348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 863348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 864ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 865ca752be0SDavid Ahern struct netlink_ext_ack *extack); 866348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 867804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 868348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 869c8f44affSMichał Mirosław netdev_features_t features); 870e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8712796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8722756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvalds /* br_input.c */ 8750c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8769eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8771da177e4SLinus Torvalds 87890c628ddSHenrik Bjoernlund struct br_frame_type { 87990c628ddSHenrik Bjoernlund __be16 type; 88090c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 88190c628ddSHenrik Bjoernlund struct sk_buff *skb); 88290c628ddSHenrik Bjoernlund struct hlist_node list; 88390c628ddSHenrik Bjoernlund }; 88490c628ddSHenrik Bjoernlund 88590c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 88690c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 88790c628ddSHenrik Bjoernlund 888859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 889859828c0SJiri Pirko { 8909eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 891859828c0SJiri Pirko } 892859828c0SJiri Pirko 8934d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8944d4fd361SPetr Machata { 8959eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8964d4fd361SPetr Machata } 8974d4fd361SPetr Machata 898859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 899859828c0SJiri Pirko { 900859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 901859828c0SJiri Pirko } 902859828c0SJiri Pirko 9034d4fd361SPetr Machata static inline struct net_bridge_port * 9044d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 9054d4fd361SPetr Machata { 9064d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 9074d4fd361SPetr Machata } 9084d4fd361SPetr Machata 9091da177e4SLinus Torvalds /* br_ioctl.c */ 910561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 911561d8352SArnd Bergmann void __user *data, int cmd); 912ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 913ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 9141da177e4SLinus Torvalds 915eb1d1641SHerbert Xu /* br_multicast.c */ 916eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 917f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 918f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 919f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 920fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 921adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 922eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9231080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 924348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 925348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 926348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 927348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 928851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 929851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 930348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 931348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 932e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 933adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 934adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 935adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 936a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 937a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 938a53581d5SNikolay Aleksandrov unsigned long val); 9392796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 940ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 941ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 94262938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 943348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 944df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 945df271cd6SNikolay Aleksandrov unsigned long val); 946aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 947df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 948df271cd6SNikolay Aleksandrov unsigned long val); 949aa2ae3e7SNikolay Aleksandrov #endif 950348662a1SJoe Perches struct net_bridge_mdb_entry * 95119e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 952348662a1SJoe Perches struct net_bridge_mdb_entry * 95319e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 954348662a1SJoe Perches struct net_bridge_port_group * 955f86c3e2cSIdo Schimmel br_multicast_new_port_group(struct net_bridge_port *port, 956f86c3e2cSIdo Schimmel const struct br_ip *group, 957762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9588b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 95960977a0cSPetr Machata u8 filter_mode, u8 rt_protocol, 96060977a0cSPetr Machata struct netlink_ext_ack *extack); 961*976b3858SPetr Machata void br_multicast_del_port_group(struct net_bridge_port_group *p); 96219e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 96319e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 96481f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 96581f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9661e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 967949f1e39SSatish Ashok int type); 968681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 969681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 970681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 971adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 972adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 973a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9741080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 975b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9761080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9771080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9781080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 97919e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 98019e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 98158d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 98258d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9831bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9848266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9858266a049SNikolay Aleksandrov u8 filter_mode); 9868266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9878266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 988474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 989474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 990fd0c6961SIdo Schimmel struct net_bridge_group_src * 991fd0c6961SIdo Schimmel br_multicast_new_group_src(struct net_bridge_port_group *pg, 992fd0c6961SIdo Schimmel struct br_ip *src_ip); 993083e3534SIdo Schimmel void __br_multicast_del_group_src(struct net_bridge_group_src *src); 994d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 995d5a10222SNikolay Aleksandrov bool fastleave); 996613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 997613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 998613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 999613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 1000613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 1001613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1002613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 1003613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 10047b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 1005f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 1006f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 10079dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 100885b35269SSridhar Samudrala 1009dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 1010dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 1011c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 1012c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 1013c7fa1d9bSNikolay Aleksandrov int nest_attr); 1014c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 101505d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 101699b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 101799b40610SNikolay Aleksandrov unsigned long val); 1018f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 1019f83a112bSNikolay Aleksandrov unsigned long val); 10204e51bf44SVladimir Oltean 1021955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 1022955062b0SNikolay Aleksandrov { 1023955062b0SNikolay Aleksandrov return group->proto == 0; 1024955062b0SNikolay Aleksandrov } 1025955062b0SNikolay Aleksandrov 1026cfd56754SCong Wang #define mlock_dereference(X, br) \ 1027cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1028cfd56754SCong Wang 102944ebb081SLinus Lüssing static inline struct hlist_node * 1030adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1031adc47037SNikolay Aleksandrov struct sk_buff *skb) 1032d3d065c0SNikolay Aleksandrov { 1033a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1034a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1035d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1036a3c02e76SLinus Lüssing #endif 1037d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 103844ebb081SLinus Lüssing } 103944ebb081SLinus Lüssing 104044ebb081SLinus Lüssing static inline struct net_bridge_port * 1041d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1042d3d065c0SNikolay Aleksandrov { 10439632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10449632233eSNikolay Aleksandrov 1045a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1046a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10479632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10489632233eSNikolay Aleksandrov ip6_rlist); 10499632233eSNikolay Aleksandrov else 1050a3c02e76SLinus Lüssing #endif 10519632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10529632233eSNikolay Aleksandrov ip4_rlist); 10539632233eSNikolay Aleksandrov 10549632233eSNikolay Aleksandrov if (mctx) 10559632233eSNikolay Aleksandrov return mctx->port; 10569632233eSNikolay Aleksandrov else 10579632233eSNikolay Aleksandrov return NULL; 105844ebb081SLinus Lüssing } 105944ebb081SLinus Lüssing 1060d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 106185b35269SSridhar Samudrala { 1062d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10631a3065a2SLinus Lüssing } 10641a3065a2SLinus Lüssing 1065d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10661a3065a2SLinus Lüssing { 10671a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1068d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10691a3065a2SLinus Lüssing #else 10701a3065a2SLinus Lüssing return false; 10711a3065a2SLinus Lüssing #endif 10721a3065a2SLinus Lüssing } 10731a3065a2SLinus Lüssing 10741a3065a2SLinus Lüssing static inline bool 1075adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10761a3065a2SLinus Lüssing { 1077d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10781a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10791a3065a2SLinus Lüssing return true; 10801a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10811a3065a2SLinus Lüssing if (skb) { 10821a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1083d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10841a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1085d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10861a3065a2SLinus Lüssing } else { 1087d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1088d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10891a3065a2SLinus Lüssing } 10901a3065a2SLinus Lüssing fallthrough; 10911a3065a2SLinus Lüssing default: 10921a3065a2SLinus Lüssing return false; 10931a3065a2SLinus Lüssing } 109485b35269SSridhar Samudrala } 1095b00589afSLinus Lüssing 1096cc0fdd80SLinus Lüssing static inline bool 1097adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10980888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10990888d5f3Sdaniel const bool is_ipv6) 1100b00589afSLinus Lüssing { 11010888d5f3Sdaniel bool own_querier_enabled; 11020888d5f3Sdaniel 110362938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1104adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 11050888d5f3Sdaniel own_querier_enabled = false; 11060888d5f3Sdaniel else 11070888d5f3Sdaniel own_querier_enabled = true; 11080888d5f3Sdaniel } else { 11090888d5f3Sdaniel own_querier_enabled = false; 11100888d5f3Sdaniel } 11110888d5f3Sdaniel 1112cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 11130888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1114cc0fdd80SLinus Lüssing } 1115cc0fdd80SLinus Lüssing 1116adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1117955062b0SNikolay Aleksandrov struct ethhdr *eth, 1118955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1119cc0fdd80SLinus Lüssing { 1120cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1121cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1122adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1123adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1124cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1125cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1126adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1127adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1128cc0fdd80SLinus Lüssing #endif 1129cc0fdd80SLinus Lüssing default: 1130955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1131cc0fdd80SLinus Lüssing } 1132b00589afSLinus Lüssing } 11331080ab95SNikolay Aleksandrov 113488d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 113588d4bd18SNikolay Aleksandrov { 113688d4bd18SNikolay Aleksandrov switch (ip->proto) { 113788d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 113888d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 113988d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 114088d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 114188d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 114288d4bd18SNikolay Aleksandrov #endif 114388d4bd18SNikolay Aleksandrov default: 114488d4bd18SNikolay Aleksandrov return false; 114588d4bd18SNikolay Aleksandrov } 114688d4bd18SNikolay Aleksandrov } 114788d4bd18SNikolay Aleksandrov 1148adc47037SNikolay Aleksandrov static inline bool 1149adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11508266a049SNikolay Aleksandrov __be16 proto) 11518266a049SNikolay Aleksandrov { 11528266a049SNikolay Aleksandrov switch (proto) { 11538266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1154adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11558266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11568266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1157adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11588266a049SNikolay Aleksandrov #endif 11598266a049SNikolay Aleksandrov default: 11608266a049SNikolay Aleksandrov return false; 11618266a049SNikolay Aleksandrov } 11628266a049SNikolay Aleksandrov } 11638266a049SNikolay Aleksandrov 11641080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11651080ab95SNikolay Aleksandrov { 11661080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11671080ab95SNikolay Aleksandrov } 116842c11ccfSNikolay Aleksandrov 1169adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 117042c11ccfSNikolay Aleksandrov { 1171adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1172adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 117342c11ccfSNikolay Aleksandrov } 11740436862eSNikolay Aleksandrov 1175adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11760436862eSNikolay Aleksandrov { 1177fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11780436862eSNikolay Aleksandrov } 11797b54aaafSNikolay Aleksandrov 11807b54aaafSNikolay Aleksandrov static inline bool 11817b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11827b54aaafSNikolay Aleksandrov { 11837b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11847b54aaafSNikolay Aleksandrov } 11857b54aaafSNikolay Aleksandrov 11867b54aaafSNikolay Aleksandrov static inline bool 11877b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11887b54aaafSNikolay Aleksandrov { 11897b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11907b54aaafSNikolay Aleksandrov } 11917b54aaafSNikolay Aleksandrov 11927b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11937b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11947b54aaafSNikolay Aleksandrov { 11957b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11967b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11977b54aaafSNikolay Aleksandrov else 11987b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11997b54aaafSNikolay Aleksandrov } 12007b54aaafSNikolay Aleksandrov 12017b54aaafSNikolay Aleksandrov static inline bool 12027b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 12037b54aaafSNikolay Aleksandrov { 1204168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1205168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1206168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 12077b54aaafSNikolay Aleksandrov } 12087b54aaafSNikolay Aleksandrov 12097b54aaafSNikolay Aleksandrov static inline bool 12107b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 12117b54aaafSNikolay Aleksandrov { 12127b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 12137b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12147b54aaafSNikolay Aleksandrov } 12157b54aaafSNikolay Aleksandrov 12167b54aaafSNikolay Aleksandrov static inline bool 12177b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 12187b54aaafSNikolay Aleksandrov { 12197b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 12207b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12217b54aaafSNikolay Aleksandrov } 12224cdd0d10SNikolay Aleksandrov 12234cdd0d10SNikolay Aleksandrov static inline bool 12244cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12254cdd0d10SNikolay Aleksandrov { 12264cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12274cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12284cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12294cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12304cdd0d10SNikolay Aleksandrov } 12314cdd0d10SNikolay Aleksandrov 12324cdd0d10SNikolay Aleksandrov static inline bool 12334cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12344cdd0d10SNikolay Aleksandrov { 12354cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12364cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12374cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12384cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12394cdd0d10SNikolay Aleksandrov } 1240df271cd6SNikolay Aleksandrov 1241df271cd6SNikolay Aleksandrov static inline bool 1242dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1243dc002875SNikolay Aleksandrov { 1244dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1245dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1246dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1247dc002875SNikolay Aleksandrov #else 1248dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1249dc002875SNikolay Aleksandrov #endif 1250dc002875SNikolay Aleksandrov } 1251dc002875SNikolay Aleksandrov 1252dc002875SNikolay Aleksandrov static inline bool 1253df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1254df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1255df271cd6SNikolay Aleksandrov { 1256df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1257df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1258931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1259931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 126050725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 126150725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 126277f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 126377f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12642da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12652da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1266cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1267cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1268d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1269d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 127042521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 127142521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1272941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1273941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 127462938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1275a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1276dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1277dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1278df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1279df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1280df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1281df271cd6SNikolay Aleksandrov #endif 1282df271cd6SNikolay Aleksandrov true; 1283df271cd6SNikolay Aleksandrov } 1284cb486ce9SNikolay Aleksandrov 1285cb486ce9SNikolay Aleksandrov static inline bool 1286cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1287cb486ce9SNikolay Aleksandrov { 1288cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1289cb486ce9SNikolay Aleksandrov 1290cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1291cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1292cb486ce9SNikolay Aleksandrov 1293cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1294cb486ce9SNikolay Aleksandrov } 1295eb1d1641SHerbert Xu #else 1296f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1297f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1298f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 129906499098SVlad Yasevich struct sk_buff *skb, 130006499098SVlad Yasevich u16 vid) 1301eb1d1641SHerbert Xu { 1302eb1d1641SHerbert Xu return 0; 1303eb1d1641SHerbert Xu } 1304eb1d1641SHerbert Xu 1305adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1306fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1307eb1d1641SHerbert Xu { 1308eb1d1641SHerbert Xu return NULL; 1309eb1d1641SHerbert Xu } 1310eb1d1641SHerbert Xu 13111080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1312eb1d1641SHerbert Xu { 13131080ab95SNikolay Aleksandrov return 0; 1314eb1d1641SHerbert Xu } 1315eb1d1641SHerbert Xu 1316eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1317eb1d1641SHerbert Xu { 1318eb1d1641SHerbert Xu } 1319eb1d1641SHerbert Xu 1320eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1321eb1d1641SHerbert Xu { 1322eb1d1641SHerbert Xu } 1323eb1d1641SHerbert Xu 1324eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1325eb1d1641SHerbert Xu { 1326eb1d1641SHerbert Xu } 1327eb1d1641SHerbert Xu 1328eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1329eb1d1641SHerbert Xu { 1330eb1d1641SHerbert Xu } 1331eb1d1641SHerbert Xu 1332851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1333851d0a73SJoseph Huang { 1334851d0a73SJoseph Huang } 1335851d0a73SJoseph Huang 1336851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1337851d0a73SJoseph Huang { 1338851d0a73SJoseph Huang } 1339851d0a73SJoseph Huang 1340eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1341eb1d1641SHerbert Xu { 1342eb1d1641SHerbert Xu } 1343eb1d1641SHerbert Xu 1344eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1345eb1d1641SHerbert Xu { 1346eb1d1641SHerbert Xu } 13475cb5e947SHerbert Xu 1348a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1349a7ce45a7SNikolay Aleksandrov { 1350a7ce45a7SNikolay Aleksandrov } 1351a7ce45a7SNikolay Aleksandrov 135237b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 135337b090e6SNikolay Aleksandrov struct sk_buff *skb, 1354adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 135537b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13565cb5e947SHerbert Xu { 13575cb5e947SHerbert Xu } 13585cb5e947SHerbert Xu 1359adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1360bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1361eb1d1641SHerbert Xu { 136203aaa9e2SGustavo A. R. Silva return false; 1363eb1d1641SHerbert Xu } 136437b090e6SNikolay Aleksandrov 1365adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1366c43fd36fSVladimir Oltean struct ethhdr *eth, 1367c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1368b00589afSLinus Lüssing { 1369b00589afSLinus Lüssing return false; 1370b00589afSLinus Lüssing } 137137b090e6SNikolay Aleksandrov 1372fdb184d1SRami Rosen static inline void br_mdb_init(void) 1373fdb184d1SRami Rosen { 1374fdb184d1SRami Rosen } 137537b090e6SNikolay Aleksandrov 1376fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1377fdb184d1SRami Rosen { 1378fdb184d1SRami Rosen } 13791080ab95SNikolay Aleksandrov 138019e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 138119e3a9c9SNikolay Aleksandrov { 138219e3a9c9SNikolay Aleksandrov return 0; 138319e3a9c9SNikolay Aleksandrov } 138419e3a9c9SNikolay Aleksandrov 138519e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 138619e3a9c9SNikolay Aleksandrov { 138719e3a9c9SNikolay Aleksandrov } 138819e3a9c9SNikolay Aleksandrov 13891080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13901080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1391a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1392a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13931080ab95SNikolay Aleksandrov { 13941080ab95SNikolay Aleksandrov } 13951080ab95SNikolay Aleksandrov 13961080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13971080ab95SNikolay Aleksandrov { 13981080ab95SNikolay Aleksandrov return 0; 13991080ab95SNikolay Aleksandrov } 14001080ab95SNikolay Aleksandrov 1401b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1402b6fe0440SIdo Schimmel { 1403b6fe0440SIdo Schimmel } 1404b6fe0440SIdo Schimmel 14051080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 14061080ab95SNikolay Aleksandrov { 14071080ab95SNikolay Aleksandrov return 0; 14081080ab95SNikolay Aleksandrov } 1409613d61dbSNikolay Aleksandrov 1410613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1411613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1412613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1413613d61dbSNikolay Aleksandrov { 1414613d61dbSNikolay Aleksandrov } 1415613d61dbSNikolay Aleksandrov 1416613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1417613d61dbSNikolay Aleksandrov { 1418613d61dbSNikolay Aleksandrov } 1419613d61dbSNikolay Aleksandrov 1420613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1421613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1422613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1423613d61dbSNikolay Aleksandrov { 1424613d61dbSNikolay Aleksandrov } 1425613d61dbSNikolay Aleksandrov 1426613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1427613d61dbSNikolay Aleksandrov { 1428613d61dbSNikolay Aleksandrov } 14297b54aaafSNikolay Aleksandrov 14307b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14317b54aaafSNikolay Aleksandrov bool on) 14327b54aaafSNikolay Aleksandrov { 14337b54aaafSNikolay Aleksandrov } 1434f4b7002aSNikolay Aleksandrov 1435f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1436f4b7002aSNikolay Aleksandrov bool on, 1437f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1438f4b7002aSNikolay Aleksandrov { 1439f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1440f4b7002aSNikolay Aleksandrov } 14419dee572cSNikolay Aleksandrov 14429dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14439dee572cSNikolay Aleksandrov bool on) 14449dee572cSNikolay Aleksandrov { 14459dee572cSNikolay Aleksandrov return false; 14469dee572cSNikolay Aleksandrov } 14474e51bf44SVladimir Oltean 1448df271cd6SNikolay Aleksandrov static inline bool 1449df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1450df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1451df271cd6SNikolay Aleksandrov { 1452df271cd6SNikolay Aleksandrov return true; 1453df271cd6SNikolay Aleksandrov } 145485b35269SSridhar Samudrala #endif 1455eb1d1641SHerbert Xu 1456243a2e63SVlad Yasevich /* br_vlan.c */ 1457243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 145877751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 145977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1460f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1461f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 146277751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 146385f46c6bSVlad Yasevich const struct sk_buff *skb); 1464e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1465348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 146611538d03SRoopa Prabhu const struct net_bridge_port *port, 14672594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 146878851988SVlad Yasevich struct sk_buff *skb); 1469f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1470169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1471348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1472348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14732594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1474204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14759e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14769e781401SVladimir Oltean struct netlink_ext_ack *extack); 1477dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1478dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14799e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14809e781401SVladimir Oltean struct netlink_ext_ack *extack); 14816dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14829163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14835be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14849e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14859e781401SVladimir Oltean struct netlink_ext_ack *extack); 1486169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1487169327d5SPetr Machata struct netlink_ext_ack *extack); 1488f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1489169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1490348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1491348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1492169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14932594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1494a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1495281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14969c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1497091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14989c0ec2e7SMike Manning void *ptr); 14998dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 15008dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1501cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1502cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1503cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1504cf5bddb9SNikolay Aleksandrov int cmd); 1505a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1506a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1507a37b85c9SVlad Yasevich 1508bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1509bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1510bcf2766bSFelix Fietkau struct net_device_path *path); 1511bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1512bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1513bcf2766bSFelix Fietkau struct net_device_path *path); 1514bcf2766bSFelix Fietkau 15152594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1516a37b85c9SVlad Yasevich const struct net_bridge *br) 1517a37b85c9SVlad Yasevich { 1518907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1519a37b85c9SVlad Yasevich } 1520a37b85c9SVlad Yasevich 15212594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1522a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1523a37b85c9SVlad Yasevich { 1524907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1525907b1e6eSNikolay Aleksandrov } 1526907b1e6eSNikolay Aleksandrov 1527907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1528907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1529907b1e6eSNikolay Aleksandrov { 1530907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1531907b1e6eSNikolay Aleksandrov } 1532907b1e6eSNikolay Aleksandrov 1533907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1534907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1535907b1e6eSNikolay Aleksandrov { 1536907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1537a37b85c9SVlad Yasevich } 1538a37b85c9SVlad Yasevich 1539a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1540a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1541a37b85c9SVlad Yasevich */ 1542a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1543a37b85c9SVlad Yasevich { 1544a37b85c9SVlad Yasevich int err = 0; 1545a37b85c9SVlad Yasevich 15462594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15475978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15482594e906SNikolay Aleksandrov } else { 1549a37b85c9SVlad Yasevich *vid = 0; 1550a37b85c9SVlad Yasevich err = -EINVAL; 1551a37b85c9SVlad Yasevich } 1552a37b85c9SVlad Yasevich 1553a37b85c9SVlad Yasevich return err; 1554a37b85c9SVlad Yasevich } 155578851988SVlad Yasevich 155677751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 155778851988SVlad Yasevich { 155877751ee8SNikolay Aleksandrov if (!vg) 15595be5a2dfSVlad Yasevich return 0; 15605be5a2dfSVlad Yasevich 156178851988SVlad Yasevich smp_rmb(); 156277751ee8SNikolay Aleksandrov return vg->pvid; 156378851988SVlad Yasevich } 156478851988SVlad Yasevich 15658dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15668dcea187SNikolay Aleksandrov { 15678dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15688dcea187SNikolay Aleksandrov } 1569243a2e63SVlad Yasevich #else 157077751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 157177751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15722594e906SNikolay Aleksandrov struct sk_buff *skb, 1573f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1574f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1575f4b7002aSNikolay Aleksandrov 15762594e906SNikolay Aleksandrov { 1577f4b7002aSNikolay Aleksandrov *vlan = NULL; 15782594e906SNikolay Aleksandrov return true; 15792594e906SNikolay Aleksandrov } 15802594e906SNikolay Aleksandrov 15812594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 158285f46c6bSVlad Yasevich const struct sk_buff *skb) 158385f46c6bSVlad Yasevich { 158485f46c6bSVlad Yasevich return true; 158585f46c6bSVlad Yasevich } 158685f46c6bSVlad Yasevich 1587e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1588e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1589e0d7968aSToshiaki Makita { 1590e0d7968aSToshiaki Makita return true; 1591e0d7968aSToshiaki Makita } 1592e0d7968aSToshiaki Makita 159378851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 159411538d03SRoopa Prabhu const struct net_bridge_port *port, 15952594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 159678851988SVlad Yasevich struct sk_buff *skb) 159778851988SVlad Yasevich { 159878851988SVlad Yasevich return skb; 159978851988SVlad Yasevich } 160078851988SVlad Yasevich 1601f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1602169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1603243a2e63SVlad Yasevich { 1604f418af63SNikolay Aleksandrov *changed = false; 1605243a2e63SVlad Yasevich return -EOPNOTSUPP; 1606243a2e63SVlad Yasevich } 1607243a2e63SVlad Yasevich 1608243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1609243a2e63SVlad Yasevich { 1610243a2e63SVlad Yasevich return -EOPNOTSUPP; 1611243a2e63SVlad Yasevich } 1612243a2e63SVlad Yasevich 1613243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1614243a2e63SVlad Yasevich { 1615243a2e63SVlad Yasevich } 1616243a2e63SVlad Yasevich 1617204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1618204177f3SToshiaki Makita { 1619204177f3SToshiaki Makita } 1620204177f3SToshiaki Makita 16215be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 16228580e211SToshiaki Makita { 16235be5a2dfSVlad Yasevich return 0; 16248580e211SToshiaki Makita } 16258580e211SToshiaki Makita 1626f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1627169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1628243a2e63SVlad Yasevich { 1629f418af63SNikolay Aleksandrov *changed = false; 1630243a2e63SVlad Yasevich return -EOPNOTSUPP; 1631243a2e63SVlad Yasevich } 1632243a2e63SVlad Yasevich 1633243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1634243a2e63SVlad Yasevich { 1635243a2e63SVlad Yasevich return -EOPNOTSUPP; 1636243a2e63SVlad Yasevich } 1637243a2e63SVlad Yasevich 1638243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1639243a2e63SVlad Yasevich { 1640243a2e63SVlad Yasevich } 1641243a2e63SVlad Yasevich 16422594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16432594e906SNikolay Aleksandrov u16 vid) 1644a37b85c9SVlad Yasevich { 1645a37b85c9SVlad Yasevich return NULL; 1646a37b85c9SVlad Yasevich } 1647bc9a25d2SVlad Yasevich 1648169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1649169327d5SPetr Machata struct netlink_ext_ack *extack) 16505be5a2dfSVlad Yasevich { 16515be5a2dfSVlad Yasevich return 0; 16525be5a2dfSVlad Yasevich } 16535be5a2dfSVlad Yasevich 165478851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1655a37b85c9SVlad Yasevich { 1656a37b85c9SVlad Yasevich return 0; 1657a37b85c9SVlad Yasevich } 16582594e906SNikolay Aleksandrov 165977751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 166078851988SVlad Yasevich { 16613df6bf45SVlad Yasevich return 0; 166278851988SVlad Yasevich } 16632796d0c6SVlad Yasevich 16647a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1665c97f47e3SVladimir Oltean unsigned long val, 1666c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1667a7854037SNikolay Aleksandrov { 1668a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1669a7854037SNikolay Aleksandrov } 16702594e906SNikolay Aleksandrov 16712594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16722594e906SNikolay Aleksandrov u32 filter_mask) 16732594e906SNikolay Aleksandrov { 16742594e906SNikolay Aleksandrov return 0; 16752594e906SNikolay Aleksandrov } 16762594e906SNikolay Aleksandrov 1677bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1678bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1679bcf2766bSFelix Fietkau struct net_device_path *path) 1680bcf2766bSFelix Fietkau { 1681bcf2766bSFelix Fietkau } 1682bcf2766bSFelix Fietkau 1683bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1684bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1685bcf2766bSFelix Fietkau struct net_device_path *path) 1686bcf2766bSFelix Fietkau { 1687bcf2766bSFelix Fietkau return 0; 1688bcf2766bSFelix Fietkau } 1689bcf2766bSFelix Fietkau 16902594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16912594e906SNikolay Aleksandrov const struct net_bridge *br) 16922594e906SNikolay Aleksandrov { 16932594e906SNikolay Aleksandrov return NULL; 16942594e906SNikolay Aleksandrov } 16952594e906SNikolay Aleksandrov 16962594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16972594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16982594e906SNikolay Aleksandrov { 16992594e906SNikolay Aleksandrov return NULL; 17002594e906SNikolay Aleksandrov } 1701907b1e6eSNikolay Aleksandrov 1702907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1703907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1704907b1e6eSNikolay Aleksandrov { 1705907b1e6eSNikolay Aleksandrov return NULL; 1706907b1e6eSNikolay Aleksandrov } 1707907b1e6eSNikolay Aleksandrov 1708907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1709907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1710907b1e6eSNikolay Aleksandrov { 1711907b1e6eSNikolay Aleksandrov return NULL; 1712907b1e6eSNikolay Aleksandrov } 1713a60c0903SNikolay Aleksandrov 1714a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1715281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1716a60c0903SNikolay Aleksandrov { 1717a60c0903SNikolay Aleksandrov } 17189c0ec2e7SMike Manning 17199c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 17209c0ec2e7SMike Manning unsigned long event) 17219c0ec2e7SMike Manning { 17229c0ec2e7SMike Manning } 17239c0ec2e7SMike Manning 1724091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17259c0ec2e7SMike Manning unsigned long event, void *ptr) 17269c0ec2e7SMike Manning { 1727091adf9bSNikolay Aleksandrov return 0; 17289c0ec2e7SMike Manning } 17298dcea187SNikolay Aleksandrov 17308dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17318dcea187SNikolay Aleksandrov { 17328dcea187SNikolay Aleksandrov } 17338dcea187SNikolay Aleksandrov 17348dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17358dcea187SNikolay Aleksandrov { 17368dcea187SNikolay Aleksandrov } 1737cf5bddb9SNikolay Aleksandrov 1738cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1739cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1740cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1741cf5bddb9SNikolay Aleksandrov int cmd) 1742cf5bddb9SNikolay Aleksandrov { 1743cf5bddb9SNikolay Aleksandrov } 1744528ae84aSNikolay Aleksandrov 1745528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1746528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1747528ae84aSNikolay Aleksandrov { 1748528ae84aSNikolay Aleksandrov return true; 1749528ae84aSNikolay Aleksandrov } 17504e51bf44SVladimir Oltean 1751c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1752c5f6e5ebSVladimir Oltean { 1753c5f6e5ebSVladimir Oltean return 0; 1754c5f6e5ebSVladimir Oltean } 1755c5f6e5ebSVladimir Oltean 1756243a2e63SVlad Yasevich #endif 1757243a2e63SVlad Yasevich 17587a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17597a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 176099f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 176199f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17627a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17637a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1764a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1765a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1766a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1767a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1768a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1769a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 177047ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 177147ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 177247ecd2dbSNikolay Aleksandrov int cmd, 177347ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1774743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1775743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1776743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1777743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1778a580c76dSNikolay Aleksandrov 1779a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1780a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1781a580c76dSNikolay Aleksandrov { 1782a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1783a580c76dSNikolay Aleksandrov } 1784a580c76dSNikolay Aleksandrov 1785a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1786a580c76dSNikolay Aleksandrov { 1787a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1788a580c76dSNikolay Aleksandrov } 1789a580c76dSNikolay Aleksandrov 1790a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1791a580c76dSNikolay Aleksandrov { 1792a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1793a580c76dSNikolay Aleksandrov } 1794a580c76dSNikolay Aleksandrov 1795a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1796a580c76dSNikolay Aleksandrov u8 state) 1797a580c76dSNikolay Aleksandrov { 1798a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1799a580c76dSNikolay Aleksandrov } 1800a580c76dSNikolay Aleksandrov 1801a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1802a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1803a580c76dSNikolay Aleksandrov { 1804a580c76dSNikolay Aleksandrov switch (state) { 1805a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1806a580c76dSNikolay Aleksandrov return learn_allow; 1807a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1808a580c76dSNikolay Aleksandrov return true; 1809a580c76dSNikolay Aleksandrov default: 1810a580c76dSNikolay Aleksandrov return false; 1811a580c76dSNikolay Aleksandrov } 1812a580c76dSNikolay Aleksandrov } 18137a53e718SNikolay Aleksandrov #endif 18147a53e718SNikolay Aleksandrov 1815ec7328b5STobias Waldekranz /* br_mst.c */ 1816ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1817ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1818ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1819ec7328b5STobias Waldekranz { 1820ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1821ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1822ec7328b5STobias Waldekranz } 1823ec7328b5STobias Waldekranz 1824ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1825ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18268c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1827ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1828ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1829ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1830122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1831122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1832122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1833122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1834122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1835ec7328b5STobias Waldekranz #else 1836ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1837ec7328b5STobias Waldekranz { 1838ec7328b5STobias Waldekranz return false; 1839ec7328b5STobias Waldekranz } 1840ec7328b5STobias Waldekranz 1841ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1842ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1843ec7328b5STobias Waldekranz { 1844ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1845ec7328b5STobias Waldekranz } 1846ec7328b5STobias Waldekranz 1847ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1848ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1849ec7328b5STobias Waldekranz { 1850ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1851ec7328b5STobias Waldekranz } 1852122c2948STobias Waldekranz 1853122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1854122c2948STobias Waldekranz { 1855122c2948STobias Waldekranz return 0; 1856122c2948STobias Waldekranz } 1857122c2948STobias Waldekranz 1858122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1859122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1860122c2948STobias Waldekranz { 1861122c2948STobias Waldekranz return -EOPNOTSUPP; 1862122c2948STobias Waldekranz } 1863122c2948STobias Waldekranz 1864122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1865122c2948STobias Waldekranz const struct nlattr *mst_attr, 1866122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1867122c2948STobias Waldekranz { 1868122c2948STobias Waldekranz return -EOPNOTSUPP; 1869122c2948STobias Waldekranz } 1870ec7328b5STobias Waldekranz #endif 1871ec7328b5STobias Waldekranz 18721a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18731a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18741a4ba64dSPablo Neira Ayuso }; 18751a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18761a4ba64dSPablo Neira Ayuso 18771da177e4SLinus Torvalds /* br_netfilter.c */ 187834666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 187934666d46SPablo Neira Ayuso int br_nf_core_init(void); 188034666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1881348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1882c0909713SStephen Hemminger #else 188334666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 188434666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18854adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1886c0909713SStephen Hemminger #endif 18871da177e4SLinus Torvalds 18881da177e4SLinus Torvalds /* br_stp.c */ 1889775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1890348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1891348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1892348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18931da177e4SLinus Torvalds 1894348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1895348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1896348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1897348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 189882dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18999e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 190014f98f25Sstephen hemminger 190114f98f25Sstephen hemminger 19021da177e4SLinus Torvalds /* br_stp_if.c */ 1903348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1904348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1905419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1906419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1907348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1908348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1909348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1910348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1911348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1912348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1913348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1914348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 19151da177e4SLinus Torvalds 19161da177e4SLinus Torvalds /* br_stp_bpdu.c */ 19177c85fbf0SPatrick McHardy struct stp_proto; 1918348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 19197c85fbf0SPatrick McHardy struct net_device *dev); 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvalds /* br_stp_timer.c */ 1922348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1923348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1924348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19251da177e4SLinus Torvalds 19261da177e4SLinus Torvalds /* br.c */ 1927e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1928da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1929da678292SMichał Mirosław #endif 19301da177e4SLinus Torvalds 193165369933SHoratiu Vultur /* br_mrp.c */ 193265369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 193365369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 193465369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 193565369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 193665369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1937df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 193865369933SHoratiu Vultur #else 193965369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 194065369933SHoratiu Vultur struct nlattr *attr, int cmd, 194165369933SHoratiu Vultur struct netlink_ext_ack *extack) 194265369933SHoratiu Vultur { 194365369933SHoratiu Vultur return -EOPNOTSUPP; 194465369933SHoratiu Vultur } 194565369933SHoratiu Vultur 194665369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 194765369933SHoratiu Vultur { 19488741e184SJason Yan return false; 194965369933SHoratiu Vultur } 195065369933SHoratiu Vultur 195165369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 195265369933SHoratiu Vultur struct net_bridge_port *p) 195365369933SHoratiu Vultur { 195465369933SHoratiu Vultur } 1955df42ef22SHoratiu Vultur 1956df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1957df42ef22SHoratiu Vultur { 1958df42ef22SHoratiu Vultur return 0; 1959df42ef22SHoratiu Vultur } 1960df42ef22SHoratiu Vultur 196165369933SHoratiu Vultur #endif 196265369933SHoratiu Vultur 19632be665c3SHenrik Bjoernlund /* br_cfm.c */ 196486a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 19652be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19662be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19672be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 196886a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19695e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1970b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1971b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1972b6d0425bSHenrik Bjoernlund bool getlink); 1973b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1974b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 197586a14b79SHenrik Bjoernlund #else 19762be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19772be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19782be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19792be665c3SHenrik Bjoernlund { 19802be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19812be665c3SHenrik Bjoernlund } 19822be665c3SHenrik Bjoernlund 19832be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19842be665c3SHenrik Bjoernlund { 19852be665c3SHenrik Bjoernlund return false; 19862be665c3SHenrik Bjoernlund } 19872be665c3SHenrik Bjoernlund 198886a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 198986a14b79SHenrik Bjoernlund struct net_bridge_port *p) 199086a14b79SHenrik Bjoernlund { 199186a14b79SHenrik Bjoernlund } 19925e312fc0SHenrik Bjoernlund 19935e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19945e312fc0SHenrik Bjoernlund { 19955e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19965e312fc0SHenrik Bjoernlund } 1997e77824d8SHenrik Bjoernlund 1998b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1999b6d0425bSHenrik Bjoernlund struct net_bridge *br, 2000b6d0425bSHenrik Bjoernlund bool getlink) 2001b6d0425bSHenrik Bjoernlund { 2002b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2003b6d0425bSHenrik Bjoernlund } 2004b6d0425bSHenrik Bjoernlund 2005b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 2006b6d0425bSHenrik Bjoernlund { 2007829e050eSIvan Vecera *count = 0; 2008b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2009b6d0425bSHenrik Bjoernlund } 2010b6d0425bSHenrik Bjoernlund 2011b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 2012e77824d8SHenrik Bjoernlund { 2013829e050eSIvan Vecera *count = 0; 2014e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 2015e77824d8SHenrik Bjoernlund } 201686a14b79SHenrik Bjoernlund #endif 201786a14b79SHenrik Bjoernlund 201811dc1f36SStephen Hemminger /* br_netlink.c */ 2019149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 2020348662a1SJoe Perches int br_netlink_init(void); 2021348662a1SJoe Perches void br_netlink_fini(void); 202292899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 202392899063SNikolay Aleksandrov const struct net_bridge_port *port); 2024b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2025b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20262fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20272fd527b7SPetr Machata struct netlink_ext_ack *extack); 2028add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2029348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 203046c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2031f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2032f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2033f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2034f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2035f26b2965SNikolay Aleksandrov bool *changed, 2036f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 203711dc1f36SStephen Hemminger 20381da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20391da177e4SLinus Torvalds /* br_sysfs_if.c */ 204052cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2041348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2042348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvalds /* br_sysfs_br.c */ 2045348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2046348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20471da177e4SLinus Torvalds 20481da177e4SLinus Torvalds #else 20491da177e4SLinus Torvalds 20500cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 20510cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 20520cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 20530cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 20541da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 20551da177e4SLinus Torvalds 20566bc506b4SIdo Schimmel /* br_switchdev.c */ 20576bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2058957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2059957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2060957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2061957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2062957e2235SVladimir Oltean bool tx_fwd_offload, 2063957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2064957e2235SVladimir Oltean 2065957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2066957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2067957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2068957e2235SVladimir Oltean 206947211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 207047211192STobias Waldekranz 2071c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2072c5381154SVladimir Oltean 207347211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 207447211192STobias Waldekranz struct sk_buff *skb); 207547211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 207647211192STobias Waldekranz struct sk_buff *skb); 20776bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20786bc506b4SIdo Schimmel struct sk_buff *skb); 20796bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20806bc506b4SIdo Schimmel const struct sk_buff *skb); 20813922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20823922285dSArkadi Sharshevsky unsigned long flags, 2083078bbb85SVladimir Oltean unsigned long mask, 2084078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20856eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20866eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2087ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2088ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2089ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2090ae039350SVladimir Oltean int type); 2091169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20928d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2093d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 209485826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2095f1c2eddfSIdo Schimmel 2096f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2097f1c2eddfSIdo Schimmel { 2098f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2099f1c2eddfSIdo Schimmel } 21006bc506b4SIdo Schimmel #else 2101957e2235SVladimir Oltean static inline int 2102957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2103957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2104957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2105957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2106957e2235SVladimir Oltean bool tx_fwd_offload, 2107957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2108957e2235SVladimir Oltean { 2109957e2235SVladimir Oltean return -EOPNOTSUPP; 2110957e2235SVladimir Oltean } 2111957e2235SVladimir Oltean 2112957e2235SVladimir Oltean static inline void 2113957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2114957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2115957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2116957e2235SVladimir Oltean { 2117957e2235SVladimir Oltean } 2118957e2235SVladimir Oltean 211947211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 212047211192STobias Waldekranz { 212147211192STobias Waldekranz return false; 212247211192STobias Waldekranz } 212347211192STobias Waldekranz 2124c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2125c5381154SVladimir Oltean { 2126c5381154SVladimir Oltean } 2127c5381154SVladimir Oltean 212847211192STobias Waldekranz static inline void 212947211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 213047211192STobias Waldekranz struct sk_buff *skb) 213147211192STobias Waldekranz { 213247211192STobias Waldekranz } 213347211192STobias Waldekranz 213447211192STobias Waldekranz static inline void 213547211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 213647211192STobias Waldekranz struct sk_buff *skb) 213747211192STobias Waldekranz { 213847211192STobias Waldekranz } 213947211192STobias Waldekranz 21406bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21416bc506b4SIdo Schimmel struct sk_buff *skb) 21426bc506b4SIdo Schimmel { 21436bc506b4SIdo Schimmel } 21446bc506b4SIdo Schimmel 21456bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21466bc506b4SIdo Schimmel const struct sk_buff *skb) 21476bc506b4SIdo Schimmel { 21486bc506b4SIdo Schimmel return true; 21496bc506b4SIdo Schimmel } 21503922285dSArkadi Sharshevsky 21513922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 21523922285dSArkadi Sharshevsky unsigned long flags, 2153078bbb85SVladimir Oltean unsigned long mask, 2154078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 21553922285dSArkadi Sharshevsky { 21563922285dSArkadi Sharshevsky return 0; 21573922285dSArkadi Sharshevsky } 21586b26b51bSArkadi Sharshevsky 21598d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 21608d23a54fSVladimir Oltean u16 flags, bool changed, 2161169327d5SPetr Machata struct netlink_ext_ack *extack) 2162d66e4348SPetr Machata { 2163d66e4348SPetr Machata return -EOPNOTSUPP; 2164d66e4348SPetr Machata } 2165d66e4348SPetr Machata 2166d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2167d66e4348SPetr Machata { 2168d66e4348SPetr Machata return -EOPNOTSUPP; 2169d66e4348SPetr Machata } 2170d66e4348SPetr Machata 21716b26b51bSArkadi Sharshevsky static inline void 21726eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21736eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21746b26b51bSArkadi Sharshevsky { 21756b26b51bSArkadi Sharshevsky } 2176f1c2eddfSIdo Schimmel 2177ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2178ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2179ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2180ae039350SVladimir Oltean int type) 2181ae039350SVladimir Oltean { 2182ae039350SVladimir Oltean } 2183ae039350SVladimir Oltean 2184f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2185f1c2eddfSIdo Schimmel { 2186f1c2eddfSIdo Schimmel } 218785826610STobias Waldekranz 218885826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 218985826610STobias Waldekranz { 219085826610STobias Waldekranz } 219185826610STobias Waldekranz 21926bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21936bc506b4SIdo Schimmel 2194057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2195821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2196057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2197057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2198ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2199ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2200ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 22011da177e4SLinus Torvalds #endif 2202