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> 18*7b4858dfSIdo Schimmel #include <net/pkt_cls.h> 19243a2e63SVlad Yasevich #include <linux/if_vlan.h> 202594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2125127759SReshetova, Elena #include <linux/refcount.h> 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds #define BR_HASH_BITS 8 241da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define BR_PORT_BITS 10 291da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 301da177e4SLinus Torvalds 31d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 3299b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 33f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 34d08c6bc0SNikolay Aleksandrov 3585826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3685826610STobias Waldekranz 379cde0708SStephen Hemminger #define BR_VERSION "2.3" 389cde0708SStephen Hemminger 39515853ccSstephen hemminger /* Control of forwarding link local multicast */ 40515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 41784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 425af48b59SNikolay Aleksandrov enum { 435af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 455af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 465af48b59SNikolay Aleksandrov }; 475af48b59SNikolay Aleksandrov 485af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 495af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 50f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 51f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 52515853ccSstephen hemminger 539cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 549cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 558cbb512eSStephen Hemminger 5631cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5731cbc39bSNikolay Aleksandrov 581da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 591da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 601da177e4SLinus Torvalds typedef __u16 port_id; 611da177e4SLinus Torvalds 621c1cb6d0SNikolay Aleksandrov struct bridge_id { 631da177e4SLinus Torvalds unsigned char prio[2]; 64e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 651da177e4SLinus Torvalds }; 661da177e4SLinus Torvalds 671c1cb6d0SNikolay Aleksandrov struct mac_addr { 68e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 691da177e4SLinus Torvalds }; 701da177e4SLinus Torvalds 71cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 72cc0fdd80SLinus Lüssing /* our own querier */ 7390010b36SLinus Lüssing struct bridge_mcast_own_query { 74cc0fdd80SLinus Lüssing struct timer_list timer; 75cc0fdd80SLinus Lüssing u32 startup_sent; 76cc0fdd80SLinus Lüssing }; 77cc0fdd80SLinus Lüssing 78cc0fdd80SLinus Lüssing /* other querier */ 7990010b36SLinus Lüssing struct bridge_mcast_other_query { 80cc0fdd80SLinus Lüssing struct timer_list timer; 81cc0fdd80SLinus Lüssing unsigned long delay_time; 82cc0fdd80SLinus Lüssing }; 83dc4eb53aSLinus Lüssing 84dc4eb53aSLinus Lüssing /* selected querier */ 85dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 86dc4eb53aSLinus Lüssing struct br_ip addr; 87bb18ef8eSNikolay Aleksandrov int port_ifidx; 88f936bb42SThomas Gleixner seqcount_spinlock_t seq; 89dc4eb53aSLinus Lüssing }; 901080ab95SNikolay Aleksandrov 911080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 921080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 931080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 941080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 951080ab95SNikolay Aleksandrov }; 96cb453926SIdo Schimmel 97b1c8fec8SIdo Schimmel struct br_mdb_src_entry { 98b1c8fec8SIdo Schimmel struct br_ip addr; 99b1c8fec8SIdo Schimmel }; 100b1c8fec8SIdo Schimmel 101cb453926SIdo Schimmel struct br_mdb_config { 102cb453926SIdo Schimmel struct net_bridge *br; 103cb453926SIdo Schimmel struct net_bridge_port *p; 104cb453926SIdo Schimmel struct br_mdb_entry *entry; 105cb453926SIdo Schimmel struct br_ip group; 106079afd66SIdo Schimmel bool src_entry; 107b1c8fec8SIdo Schimmel u8 filter_mode; 10861f21835SIdo Schimmel u16 nlflags; 109b1c8fec8SIdo Schimmel struct br_mdb_src_entry *src_entries; 110b1c8fec8SIdo Schimmel int num_src_entries; 1111d7b66a7SIdo Schimmel u8 rt_protocol; 112cb453926SIdo Schimmel }; 113cc0fdd80SLinus Lüssing #endif 114cc0fdd80SLinus Lüssing 1159632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 1169632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 1179632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1189632233eSNikolay Aleksandrov struct net_bridge_port *port; 119613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1209632233eSNikolay Aleksandrov 1219632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1229632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1239632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1249632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1259632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1269632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1279632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1289632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1299632233eSNikolay Aleksandrov unsigned char multicast_router; 130b57e8d87SPetr Machata u32 mdb_n_entries; 131b57e8d87SPetr Machata u32 mdb_max_entries; 1329632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1339632233eSNikolay Aleksandrov }; 1349632233eSNikolay Aleksandrov 135d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 136d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 137d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 138d3d065c0SNikolay Aleksandrov struct net_bridge *br; 139613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 140d3d065c0SNikolay Aleksandrov 141d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 142d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 143d3d065c0SNikolay Aleksandrov 1444d5b4e84SNikolay Aleksandrov u8 multicast_querier; 145d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 146d3d065c0SNikolay Aleksandrov u8 multicast_router; 147d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 148d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 149d3d065c0SNikolay Aleksandrov #endif 150d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 151d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 152d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 153d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 154d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 155d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 156d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 157d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 158d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 159d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 160d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 161d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 162d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 163d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 164d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 165d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 166d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 167d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 168d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 169d3d065c0SNikolay Aleksandrov }; 170d3d065c0SNikolay Aleksandrov 171efa5356bSRoopa Prabhu struct br_tunnel_info { 172efa5356bSRoopa Prabhu __be64 tunnel_id; 17358e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 174efa5356bSRoopa Prabhu }; 175efa5356bSRoopa Prabhu 1769d332e69SNikolay Aleksandrov /* private vlan flags */ 1779d332e69SNikolay Aleksandrov enum { 1789d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 17927973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1807b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1817b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 182a714e3ecSIdo Schimmel BR_VLFLAG_NEIGH_SUPPRESS_ENABLED = BIT(4), 1839d332e69SNikolay Aleksandrov }; 1849d332e69SNikolay Aleksandrov 1852594e906SNikolay Aleksandrov /** 1862594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1872594e906SNikolay Aleksandrov * 1882594e906SNikolay Aleksandrov * @vnode: rhashtable member 1892594e906SNikolay Aleksandrov * @vid: VLAN id 1902594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1919d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 192a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1936dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1942594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1952594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1962594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1972594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1982594e906SNikolay Aleksandrov * for this VLAN entry 199613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 200613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 201613d61dbSNikolay Aleksandrov * context 202ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 2032594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 2042594e906SNikolay Aleksandrov * @rcu: used for entry destruction 2052594e906SNikolay Aleksandrov * 2062594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 2072594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 2082594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 2092594e906SNikolay Aleksandrov * the entry flags that are set. 2102594e906SNikolay Aleksandrov */ 2112594e906SNikolay Aleksandrov struct net_bridge_vlan { 2122594e906SNikolay Aleksandrov struct rhash_head vnode; 213efa5356bSRoopa Prabhu struct rhash_head tnode; 2142594e906SNikolay Aleksandrov u16 vid; 2152594e906SNikolay Aleksandrov u16 flags; 2169d332e69SNikolay Aleksandrov u16 priv_flags; 217a580c76dSNikolay Aleksandrov u8 state; 218281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 219243a2e63SVlad Yasevich union { 220243a2e63SVlad Yasevich struct net_bridge *br; 2212594e906SNikolay Aleksandrov struct net_bridge_port *port; 2222594e906SNikolay Aleksandrov }; 2232594e906SNikolay Aleksandrov union { 22425127759SReshetova, Elena refcount_t refcnt; 2252594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2262594e906SNikolay Aleksandrov }; 227efa5356bSRoopa Prabhu 228efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 229efa5356bSRoopa Prabhu 230613d61dbSNikolay Aleksandrov union { 231613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 232613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 233613d61dbSNikolay Aleksandrov }; 234613d61dbSNikolay Aleksandrov 235ec7328b5STobias Waldekranz u16 msti; 236ec7328b5STobias Waldekranz 2372594e906SNikolay Aleksandrov struct list_head vlist; 2382594e906SNikolay Aleksandrov 239243a2e63SVlad Yasevich struct rcu_head rcu; 2402594e906SNikolay Aleksandrov }; 2412594e906SNikolay Aleksandrov 2422594e906SNikolay Aleksandrov /** 2432594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2442594e906SNikolay Aleksandrov * 2452594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2462594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2472594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 24877751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 249a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2502594e906SNikolay Aleksandrov * 2512594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2522594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2532594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2542594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2552594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2562594e906SNikolay Aleksandrov */ 2572594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2582594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 259efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2602594e906SNikolay Aleksandrov struct list_head vlan_list; 2616cbdceebSVlad Yasevich u16 num_vlans; 26277751ee8SNikolay Aleksandrov u16 pvid; 263a580c76dSNikolay Aleksandrov u8 pvid_state; 264243a2e63SVlad Yasevich }; 265243a2e63SVlad Yasevich 2666869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2676869c3b0SNikolay Aleksandrov enum { 2686869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 26929e63fffSNikolay Aleksandrov BR_FDB_STATIC, 270e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 271ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 272b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 273d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 27431cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 275a35ec8e3SHans J. Schultz BR_FDB_NOTIFY_INACTIVE, 276a35ec8e3SHans J. Schultz BR_FDB_LOCKED, 2776869c3b0SNikolay Aleksandrov }; 2786869c3b0SNikolay Aleksandrov 279eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 280eb793583SNikolay Aleksandrov mac_addr addr; 281eb793583SNikolay Aleksandrov u16 vlan_id; 282eb793583SNikolay Aleksandrov }; 283eb793583SNikolay Aleksandrov 2841214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 285eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2861da177e4SLinus Torvalds struct net_bridge_port *dst; 2871da177e4SLinus Torvalds 288eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 289eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2906869c3b0SNikolay Aleksandrov unsigned long flags; 2911214628cSNikolay Aleksandrov 2921214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2931214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2941214628cSNikolay Aleksandrov unsigned long used; 2951214628cSNikolay Aleksandrov 296b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2971da177e4SLinus Torvalds }; 2981da177e4SLinus Torvalds 2991f78ee14SNikolay Aleksandrov struct net_bridge_fdb_flush_desc { 3001f78ee14SNikolay Aleksandrov unsigned long flags; 3011f78ee14SNikolay Aleksandrov unsigned long flags_mask; 3021f78ee14SNikolay Aleksandrov int port_ifindex; 3031f78ee14SNikolay Aleksandrov u16 vlan_id; 3041f78ee14SNikolay Aleksandrov }; 3051f78ee14SNikolay Aleksandrov 3069d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 3079d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 3083247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 3098266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 3109116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 3119d06b6d8SElad Raz 3128b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 3138b671779SNikolay Aleksandrov 3148b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 3158b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 316b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 317a01ecb17SIdo Schimmel #define BR_SGRP_F_USER_ADDED BIT(3) 3188b671779SNikolay Aleksandrov 319e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 320e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 321e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 322e12cec65SNikolay Aleksandrov }; 323e12cec65SNikolay Aleksandrov 3248b671779SNikolay Aleksandrov struct net_bridge_group_src { 3258b671779SNikolay Aleksandrov struct hlist_node node; 3268b671779SNikolay Aleksandrov 3278b671779SNikolay Aleksandrov struct br_ip addr; 3288b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 3298b671779SNikolay Aleksandrov u8 flags; 330438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3318b671779SNikolay Aleksandrov struct timer_list timer; 3328b671779SNikolay Aleksandrov 3338b671779SNikolay Aleksandrov struct net_bridge *br; 334e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3358b671779SNikolay Aleksandrov struct rcu_head rcu; 3368b671779SNikolay Aleksandrov }; 3378b671779SNikolay Aleksandrov 338085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 339eb1d1641SHerbert Xu struct net_bridge_port *port; 3408ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 341085b53c8SNikolay Aleksandrov }; 342085b53c8SNikolay Aleksandrov 343085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 344085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 345085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 346206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3479d06b6d8SElad Raz unsigned char flags; 3488b671779SNikolay Aleksandrov unsigned char filter_mode; 34942c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3508f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3516ec0d0eeSNikolay Aleksandrov 3528b671779SNikolay Aleksandrov struct hlist_head src_list; 3538b671779SNikolay Aleksandrov unsigned int src_ents; 3546ec0d0eeSNikolay Aleksandrov struct timer_list timer; 35542c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3566ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3578f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3588f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3596ec0d0eeSNikolay Aleksandrov 360085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 361e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3626ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 363eb1d1641SHerbert Xu }; 364eb1d1641SHerbert Xu 3651c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 36619e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 367eb1d1641SHerbert Xu struct net_bridge *br; 368e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3698ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 370ff0fd34eSAndrew Lunn bool host_joined; 3716ec0d0eeSNikolay Aleksandrov 3726ec0d0eeSNikolay Aleksandrov struct timer_list timer; 37319e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3746ec0d0eeSNikolay Aleksandrov 375e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3766ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 377eb1d1641SHerbert Xu }; 378eb1d1641SHerbert Xu 3791f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3801da177e4SLinus Torvalds struct net_bridge *br; 3811da177e4SLinus Torvalds struct net_device *dev; 382b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3831da177e4SLinus Torvalds struct list_head list; 3841da177e4SLinus Torvalds 3851f90c7f3SNikolay Aleksandrov unsigned long flags; 3861f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3871f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3881f90c7f3SNikolay Aleksandrov #endif 3892756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3901f90c7f3SNikolay Aleksandrov 3911da177e4SLinus Torvalds /* STP */ 3921da177e4SLinus Torvalds u8 priority; 3931da177e4SLinus Torvalds u8 state; 3941da177e4SLinus Torvalds u16 port_no; 3951da177e4SLinus Torvalds unsigned char topology_change_ack; 3961da177e4SLinus Torvalds unsigned char config_pending; 3971da177e4SLinus Torvalds port_id port_id; 3981da177e4SLinus Torvalds port_id designated_port; 3991da177e4SLinus Torvalds bridge_id designated_root; 4001da177e4SLinus Torvalds bridge_id designated_bridge; 4011da177e4SLinus Torvalds u32 path_cost; 4021da177e4SLinus Torvalds u32 designated_cost; 4030c03150eSstephen hemminger unsigned long designated_age; 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds struct timer_list forward_delay_timer; 4061da177e4SLinus Torvalds struct timer_list hold_timer; 4071da177e4SLinus Torvalds struct timer_list message_age_timer; 4081da177e4SLinus Torvalds struct kobject kobj; 4091da177e4SLinus Torvalds struct rcu_head rcu; 4103982d3d2SFischer, Anna 4119632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 4129632233eSNikolay Aleksandrov 413eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 4149632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 4159632233eSNikolay Aleksandrov 41689268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 41789268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 418eb1d1641SHerbert Xu struct hlist_head mglist; 419eb1d1641SHerbert Xu #endif 420e0f43752SSimon Arlott 421e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 422e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 423e0f43752SSimon Arlott #endif 42491d2c34aSHerbert Xu 42591d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 42691d2c34aSHerbert Xu struct netpoll *np; 42791d2c34aSHerbert Xu #endif 4286bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 429f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 430f7cf972fSTobias Waldekranz * hardware domain. 431f7cf972fSTobias Waldekranz */ 432f7cf972fSTobias Waldekranz int hwdom; 4332f5dc00fSVladimir Oltean int offload_count; 4342f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4356bc506b4SIdo Schimmel #endif 4365af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4372756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 438de179966SVivien Didelot 439de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4401da177e4SLinus Torvalds }; 4411da177e4SLinus Torvalds 442705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 443705e0deaSTyler Hicks 444e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 445f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 446e028e4b8SVlad Yasevich 447b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 448b5ed54e9Sstephen hemminger { 449716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 450b5ed54e9Sstephen hemminger } 451b5ed54e9Sstephen hemminger 4521fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 453b5ed54e9Sstephen hemminger { 45435f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 455ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 456b5ed54e9Sstephen hemminger } 457b5ed54e9Sstephen hemminger 4580baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4590baa10ffSArkadi Sharshevsky { 46035f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4610baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4620baa10ffSArkadi Sharshevsky } 4630baa10ffSArkadi Sharshevsky 464ae75767eSNikolay Aleksandrov enum net_bridge_opts { 465ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 466ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4678df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4688df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4698df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 470be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 47113cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 472675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 473675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 474675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 475c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4763341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4779163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 47870e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4799c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 480f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 481ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 482ae75767eSNikolay Aleksandrov }; 483ae75767eSNikolay Aleksandrov 4841f90c7f3SNikolay Aleksandrov struct net_bridge { 4851da177e4SLinus Torvalds spinlock_t lock; 4861f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 48790c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4881da177e4SLinus Torvalds struct net_device *dev; 489ae75767eSNikolay Aleksandrov unsigned long options; 4901f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4911f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4921f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4931f90c7f3SNikolay Aleksandrov u16 default_pvid; 4941f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4951f90c7f3SNikolay Aleksandrov #endif 4961f90c7f3SNikolay Aleksandrov 497eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 49890c628ddSHenrik Bjoernlund struct list_head port_list; 49934666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 500efb6de9bSBernhard Thaler union { 5014adf0af6SSimon Wunderlich struct rtable fake_rtable; 502efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 503efb6de9bSBernhard Thaler }; 5044adf0af6SSimon Wunderlich #endif 505515853ccSstephen hemminger u16 group_fwd_mask; 506f2808d22SToshiaki Makita u16 group_fwd_mask_required; 507515853ccSstephen hemminger 5081da177e4SLinus Torvalds /* STP */ 5091da177e4SLinus Torvalds bridge_id designated_root; 5101da177e4SLinus Torvalds bridge_id bridge_id; 5111f90c7f3SNikolay Aleksandrov unsigned char topology_change; 5121f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 5131f90c7f3SNikolay Aleksandrov u16 root_port; 5141da177e4SLinus Torvalds unsigned long max_age; 5151da177e4SLinus Torvalds unsigned long hello_time; 5161da177e4SLinus Torvalds unsigned long forward_delay; 5171da177e4SLinus Torvalds unsigned long ageing_time; 51834d8acd8SVivien Didelot unsigned long bridge_max_age; 5191da177e4SLinus Torvalds unsigned long bridge_hello_time; 5201da177e4SLinus Torvalds unsigned long bridge_forward_delay; 52134d8acd8SVivien Didelot unsigned long bridge_ageing_time; 52235750b0bSNikolay Aleksandrov u32 root_path_cost; 5231da177e4SLinus Torvalds 524fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 5259cde0708SStephen Hemminger 5269cde0708SStephen Hemminger enum { 5279cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 5289cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 5299cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5309cde0708SStephen Hemminger } stp_enabled; 5319cde0708SStephen Hemminger 532d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 533d3d065c0SNikolay Aleksandrov 534eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 535d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 536eb1d1641SHerbert Xu 537eb1d1641SHerbert Xu u32 hash_max; 538eb1d1641SHerbert Xu 53935750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 540eb1d1641SHerbert Xu 54119e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 542085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 54319e3a9c9SNikolay Aleksandrov 544e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 54519e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 546eb1d1641SHerbert Xu 547e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 548eb1d1641SHerbert Xu #endif 549eb1d1641SHerbert Xu 5501da177e4SLinus Torvalds struct timer_list hello_timer; 5511da177e4SLinus Torvalds struct timer_list tcn_timer; 5521da177e4SLinus Torvalds struct timer_list topology_change_timer; 553f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 55443b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 555e028e4b8SVlad Yasevich u32 auto_cnt; 5566bc506b4SIdo Schimmel 5576bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 558f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 559f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 560f7cf972fSTobias Waldekranz */ 561f7cf972fSTobias Waldekranz int last_hwdom; 56285826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 56385826610STobias Waldekranz unsigned long busy_hwdoms; 5646bc506b4SIdo Schimmel #endif 565eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5664b8d7d4cSHoratiu Vultur 5674b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5680169b820SHoratiu Vultur struct hlist_head mrp_list; 5694b8d7d4cSHoratiu Vultur #endif 570f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 571f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 572f323aa54SHenrik Bjoernlund #endif 5731da177e4SLinus Torvalds }; 5741da177e4SLinus Torvalds 57568b7c895SHerbert Xu struct br_input_skb_cb { 57668b7c895SHerbert Xu struct net_device *brdev; 57793fdd47eSHerbert Xu 5783c171f49SPablo Neira Ayuso u16 frag_max_size; 57932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 580f12064d1SFlorian Westphal u8 igmp; 581f12064d1SFlorian Westphal u8 mrouters_only:1; 58232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 583f12064d1SFlorian Westphal u8 proxyarp_replied:1; 584f12064d1SFlorian Westphal u8 src_port_isolated:1; 58520adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 586f12064d1SFlorian Westphal u8 vlan_filtered:1; 58720adfa1aSVlad Yasevich #endif 588223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 589223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 590223fd0adSFlorian Westphal #endif 5916bc506b4SIdo Schimmel 5926bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 59347211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 59447211192STobias Waldekranz * hardware domain. 59547211192STobias Waldekranz */ 59647211192STobias Waldekranz u8 tx_fwd_offload:1; 597f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 598f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 599f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 600f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 601f7cf972fSTobias Waldekranz */ 602f7cf972fSTobias Waldekranz int src_hwdom; 60347211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 60447211192STobias Waldekranz * transmitted using the TX data plane offload. 60547211192STobias Waldekranz */ 60647211192STobias Waldekranz unsigned long fwd_hwdoms; 6076bc506b4SIdo Schimmel #endif 60868b7c895SHerbert Xu }; 60968b7c895SHerbert Xu 61068b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 61168b7c895SHerbert Xu 61232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 61332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 61432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 61532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 61632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 61732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 61828a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 61928a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 62028a16c97Sstephen hemminger 62128a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 62228a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 62328a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 62428a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 62528a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 62628a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 62728a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 62828a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 62928a16c97Sstephen hemminger 63028a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 63128a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 63228a16c97Sstephen hemminger 6331da177e4SLinus Torvalds /* called under bridge lock */ 6341da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6351da177e4SLinus Torvalds { 6361da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6371da177e4SLinus Torvalds } 6381da177e4SLinus Torvalds 6392594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6402594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6412594e906SNikolay Aleksandrov { 6422594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6432594e906SNikolay Aleksandrov } 6442594e906SNikolay Aleksandrov 6452594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6462594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6472594e906SNikolay Aleksandrov { 6482594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6492594e906SNikolay Aleksandrov } 6502594e906SNikolay Aleksandrov 6516be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6522594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6532594e906SNikolay Aleksandrov { 6542594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6552594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6562594e906SNikolay Aleksandrov return true; 6572594e906SNikolay Aleksandrov else 6582594e906SNikolay Aleksandrov return false; 6592594e906SNikolay Aleksandrov } 6602594e906SNikolay Aleksandrov 6612594e906SNikolay Aleksandrov return true; 6622594e906SNikolay Aleksandrov } 6632594e906SNikolay Aleksandrov 6645d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6655d1fcaf3SNikolay Aleksandrov { 6665d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6675d1fcaf3SNikolay Aleksandrov } 6685d1fcaf3SNikolay Aleksandrov 6698f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6705a46facbSNikolay Aleksandrov { 6718f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6728f4cc940SNikolay Aleksandrov 6738f4cc940SNikolay Aleksandrov if (!ret) 6748f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6758f4cc940SNikolay Aleksandrov 6768f4cc940SNikolay Aleksandrov return ret; 6775a46facbSNikolay Aleksandrov } 6785a46facbSNikolay Aleksandrov 6795a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6808f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6818f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6825a46facbSNikolay Aleksandrov { 6835a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6848f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6858f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6865a46facbSNikolay Aleksandrov return false; 6878f4cc940SNikolay Aleksandrov } 6885a46facbSNikolay Aleksandrov 6895a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6905a46facbSNikolay Aleksandrov * - it has range start flag 6915a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6925a46facbSNikolay Aleksandrov */ 6935a46facbSNikolay Aleksandrov if (last) { 6948f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6958f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6965a46facbSNikolay Aleksandrov return false; 6978f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6988f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6998f4cc940SNikolay Aleksandrov return false; 7008f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 7018f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 7028f4cc940SNikolay Aleksandrov return false; 7038f4cc940SNikolay Aleksandrov } 7048f4cc940SNikolay Aleksandrov } 7058f4cc940SNikolay Aleksandrov 7068f4cc940SNikolay Aleksandrov /* check for required range flags */ 7078f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 7088f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 7098f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 7105a46facbSNikolay Aleksandrov return false; 7115a46facbSNikolay Aleksandrov } 7125a46facbSNikolay Aleksandrov 7135a46facbSNikolay Aleksandrov return true; 7145a46facbSNikolay Aleksandrov } 7155a46facbSNikolay Aleksandrov 7162796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 7172796d846SNikolay Aleksandrov { 7182796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 7192796d846SNikolay Aleksandrov 7202796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 7212796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 7222796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 7232796d846SNikolay Aleksandrov else 7242796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 7252796d846SNikolay Aleksandrov #endif 7262796d846SNikolay Aleksandrov 7272796d846SNikolay Aleksandrov return mcast_router; 7282796d846SNikolay Aleksandrov } 7292796d846SNikolay Aleksandrov 730f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 731f545923bSNikolay Aleksandrov { 732f545923bSNikolay Aleksandrov switch (cmd) { 733f545923bSNikolay Aleksandrov case RTM_SETLINK: 734f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 735f545923bSNikolay Aleksandrov case RTM_DELLINK: 736f545923bSNikolay Aleksandrov return RTM_DELVLAN; 737f545923bSNikolay Aleksandrov } 738f545923bSNikolay Aleksandrov 739f545923bSNikolay Aleksandrov return 0; 740f545923bSNikolay Aleksandrov } 741f545923bSNikolay Aleksandrov 742ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 743ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 744ae75767eSNikolay Aleksandrov { 745ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 746ae75767eSNikolay Aleksandrov } 747ae75767eSNikolay Aleksandrov 748a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 749a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 750a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 751a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 752a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 753a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 754a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 755a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 756ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 757ae75767eSNikolay Aleksandrov 758*7b4858dfSIdo Schimmel #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 759*7b4858dfSIdo Schimmel static inline void br_tc_skb_miss_set(struct sk_buff *skb, bool miss) 760*7b4858dfSIdo Schimmel { 761*7b4858dfSIdo Schimmel struct tc_skb_ext *ext; 762*7b4858dfSIdo Schimmel 763*7b4858dfSIdo Schimmel if (!tc_skb_ext_tc_enabled()) 764*7b4858dfSIdo Schimmel return; 765*7b4858dfSIdo Schimmel 766*7b4858dfSIdo Schimmel ext = skb_ext_find(skb, TC_SKB_EXT); 767*7b4858dfSIdo Schimmel if (ext) { 768*7b4858dfSIdo Schimmel ext->l2_miss = miss; 769*7b4858dfSIdo Schimmel return; 770*7b4858dfSIdo Schimmel } 771*7b4858dfSIdo Schimmel if (!miss) 772*7b4858dfSIdo Schimmel return; 773*7b4858dfSIdo Schimmel ext = tc_skb_ext_alloc(skb); 774*7b4858dfSIdo Schimmel if (!ext) 775*7b4858dfSIdo Schimmel return; 776*7b4858dfSIdo Schimmel ext->l2_miss = true; 777*7b4858dfSIdo Schimmel } 778*7b4858dfSIdo Schimmel #else 779*7b4858dfSIdo Schimmel static inline void br_tc_skb_miss_set(struct sk_buff *skb, bool miss) 780*7b4858dfSIdo Schimmel { 781*7b4858dfSIdo Schimmel } 782*7b4858dfSIdo Schimmel #endif 783*7b4858dfSIdo Schimmel 7841da177e4SLinus Torvalds /* br_device.c */ 785348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 786348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 787348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 788cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 78991d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 79091d2c34aSHerbert Xu struct sk_buff *skb) 79191d2c34aSHerbert Xu { 792f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 79391d2c34aSHerbert Xu } 79491d2c34aSHerbert Xu 795a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 796348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 79791d2c34aSHerbert Xu #else 7989f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 79991d2c34aSHerbert Xu struct sk_buff *skb) 80091d2c34aSHerbert Xu { 80191d2c34aSHerbert Xu } 80291d2c34aSHerbert Xu 803a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 80491d2c34aSHerbert Xu { 80591d2c34aSHerbert Xu return 0; 80691d2c34aSHerbert Xu } 80791d2c34aSHerbert Xu 80891d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 80991d2c34aSHerbert Xu { 81091d2c34aSHerbert Xu } 811cfb478daSstephen hemminger #endif 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvalds /* br_fdb.c */ 814564445fbSNikolay Aleksandrov #define FDB_FLUSH_IGNORED_NDM_FLAGS (NTF_MASTER | NTF_SELF) 815564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_STATES (NUD_PERMANENT | NUD_NOARP) 816564445fbSNikolay Aleksandrov #define FDB_FLUSH_ALLOWED_NDM_FLAGS (NTF_USE | NTF_EXT_LEARNED | \ 817564445fbSNikolay Aleksandrov NTF_STICKY | NTF_OFFLOADED) 818564445fbSNikolay Aleksandrov 819348662a1SJoe Perches int br_fdb_init(void); 820348662a1SJoe Perches void br_fdb_fini(void); 821eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 822eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 8231f78ee14SNikolay Aleksandrov void br_fdb_flush(struct net_bridge *br, 8241f78ee14SNikolay Aleksandrov const struct net_bridge_fdb_flush_desc *desc); 825424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 826424bb9c9SToshiaki Makita const struct net_bridge_port *p, 827424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 828348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 829348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 830f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 831348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 8321ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 833bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 834bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 835bfd0aeacSNikolay Aleksandrov __u16 vid); 836348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 837348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 838348662a1SJoe Perches unsigned long off); 839f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 840348662a1SJoe Perches const unsigned char *addr, u16 vid); 841348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 842be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 84377162022SJohn Fastabend 844348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 845ca4567f1SAlaa Mohamed struct net_device *dev, const unsigned char *addr, u16 vid, 846ca4567f1SAlaa Mohamed struct netlink_ext_ack *extack); 847edaef191SNikolay Aleksandrov int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], 848edaef191SNikolay Aleksandrov struct net_device *dev, u16 vid, 849edaef191SNikolay Aleksandrov struct netlink_ext_ack *extack); 850348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 85187b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 85287b0984eSPetr Machata struct netlink_ext_ack *extack); 853348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 854d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 85547674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 85647674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 85747674562SRoopa Prabhu struct netlink_ext_ack *extack); 8588db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 8598db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 8603aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 86145a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 86227fabd02SHans J. Schultz bool locked, bool swdev_notify); 8633aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 864161d82deSPetr Machata const unsigned char *addr, u16 vid, 865161d82deSPetr Machata bool swdev_notify); 8669fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 867e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8681da177e4SLinus Torvalds 8691da177e4SLinus Torvalds /* br_forward.c */ 8708addd5e7SNikolay Aleksandrov enum br_pkt_type { 8718addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8728addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8738addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8748addd5e7SNikolay Aleksandrov }; 8750c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 876b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 87737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8780c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 87937b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 880e408336aSIdo Schimmel enum br_pkt_type pkt_type, bool local_rcv, bool local_orig, 881e408336aSIdo Schimmel u16 vid); 8821da177e4SLinus Torvalds 8837d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8847d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8857d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8867d850abdSNikolay Aleksandrov { 8877d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8887d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8897d850abdSNikolay Aleksandrov } 8907d850abdSNikolay Aleksandrov 8911da177e4SLinus Torvalds /* br_if.c */ 892faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 893348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 894348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 895ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 896ca752be0SDavid Ahern struct netlink_ext_ack *extack); 897348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 898804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 899348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 900c8f44affSMichał Mirosław netdev_features_t features); 901e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 9022796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 9032756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 9041da177e4SLinus Torvalds 9051da177e4SLinus Torvalds /* br_input.c */ 9060c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 9079eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 9081da177e4SLinus Torvalds 90990c628ddSHenrik Bjoernlund struct br_frame_type { 91090c628ddSHenrik Bjoernlund __be16 type; 91190c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 91290c628ddSHenrik Bjoernlund struct sk_buff *skb); 91390c628ddSHenrik Bjoernlund struct hlist_node list; 91490c628ddSHenrik Bjoernlund }; 91590c628ddSHenrik Bjoernlund 91690c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 91790c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 91890c628ddSHenrik Bjoernlund 919859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 920859828c0SJiri Pirko { 9219eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 922859828c0SJiri Pirko } 923859828c0SJiri Pirko 9244d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 9254d4fd361SPetr Machata { 9269eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 9274d4fd361SPetr Machata } 9284d4fd361SPetr Machata 929859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 930859828c0SJiri Pirko { 931859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 932859828c0SJiri Pirko } 933859828c0SJiri Pirko 9344d4fd361SPetr Machata static inline struct net_bridge_port * 9354d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 9364d4fd361SPetr Machata { 9374d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 9384d4fd361SPetr Machata } 9394d4fd361SPetr Machata 9401da177e4SLinus Torvalds /* br_ioctl.c */ 941561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 942561d8352SArnd Bergmann void __user *data, int cmd); 943ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 944ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 9451da177e4SLinus Torvalds 946eb1d1641SHerbert Xu /* br_multicast.c */ 947eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 948f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 949f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 950f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 951fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 952adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 953eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 9541080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 955348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 956348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 957348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 958348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 959851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 960851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 961348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 962348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 963e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 964adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 965adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 966adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 967a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 968a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 969a53581d5SNikolay Aleksandrov unsigned long val); 9702796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 971ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 972ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 97362938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 974348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 975df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 976df271cd6SNikolay Aleksandrov unsigned long val); 977aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 978df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 979df271cd6SNikolay Aleksandrov unsigned long val); 980aa2ae3e7SNikolay Aleksandrov #endif 981348662a1SJoe Perches struct net_bridge_mdb_entry * 98219e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 983348662a1SJoe Perches struct net_bridge_mdb_entry * 98419e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 985348662a1SJoe Perches struct net_bridge_port_group * 986f86c3e2cSIdo Schimmel br_multicast_new_port_group(struct net_bridge_port *port, 987f86c3e2cSIdo Schimmel const struct br_ip *group, 988762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9898b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 99060977a0cSPetr Machata u8 filter_mode, u8 rt_protocol, 99160977a0cSPetr Machata struct netlink_ext_ack *extack); 992976b3858SPetr Machata void br_multicast_del_port_group(struct net_bridge_port_group *p); 99319e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 99419e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 99581f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 99681f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9971e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 998949f1e39SSatish Ashok int type); 999681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 1000681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 1001681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 1002adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 1003adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 1004a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 10051080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 1006b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 10071080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 10081080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 10091080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 1010a1aee20dSPetr Machata u32 br_multicast_ngroups_get(const struct net_bridge_mcast_port *pmctx); 1011a1aee20dSPetr Machata void br_multicast_ngroups_set_max(struct net_bridge_mcast_port *pmctx, u32 max); 1012a1aee20dSPetr Machata u32 br_multicast_ngroups_get_max(const struct net_bridge_mcast_port *pmctx); 1013cc7f5022SIdo Schimmel int br_mdb_add(struct net_device *dev, struct nlattr *tb[], u16 nlmsg_flags, 1014c009de10SIdo Schimmel struct netlink_ext_ack *extack); 1015cc7f5022SIdo Schimmel int br_mdb_del(struct net_device *dev, struct nlattr *tb[], 1016c009de10SIdo Schimmel struct netlink_ext_ack *extack); 1017cc7f5022SIdo Schimmel int br_mdb_dump(struct net_device *dev, struct sk_buff *skb, 1018c009de10SIdo Schimmel struct netlink_callback *cb); 101958d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 102058d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 10211bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 10228266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 10238266a049SNikolay Aleksandrov u8 filter_mode); 10248266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 10258266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 1026474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 1027474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 1028fd0c6961SIdo Schimmel struct net_bridge_group_src * 1029fd0c6961SIdo Schimmel br_multicast_new_group_src(struct net_bridge_port_group *pg, 1030fd0c6961SIdo Schimmel struct br_ip *src_ip); 1031083e3534SIdo Schimmel void __br_multicast_del_group_src(struct net_bridge_group_src *src); 1032d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 1033d5a10222SNikolay Aleksandrov bool fastleave); 1034613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 1035613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1036613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 1037613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 1038613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 1039613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1040613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 1041613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 10427b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 1043f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 1044f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 10459dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 104685b35269SSridhar Samudrala 1047dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 1048dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 1049c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 1050c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 1051c7fa1d9bSNikolay Aleksandrov int nest_attr); 1052c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 105305d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 105499b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 105599b40610SNikolay Aleksandrov unsigned long val); 1056f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 1057f83a112bSNikolay Aleksandrov unsigned long val); 10584e51bf44SVladimir Oltean 1059955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 1060955062b0SNikolay Aleksandrov { 1061955062b0SNikolay Aleksandrov return group->proto == 0; 1062955062b0SNikolay Aleksandrov } 1063955062b0SNikolay Aleksandrov 1064cfd56754SCong Wang #define mlock_dereference(X, br) \ 1065cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 1066cfd56754SCong Wang 106744ebb081SLinus Lüssing static inline struct hlist_node * 1068adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 1069adc47037SNikolay Aleksandrov struct sk_buff *skb) 1070d3d065c0SNikolay Aleksandrov { 1071a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1072a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 1073d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 1074a3c02e76SLinus Lüssing #endif 1075d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 107644ebb081SLinus Lüssing } 107744ebb081SLinus Lüssing 107844ebb081SLinus Lüssing static inline struct net_bridge_port * 1079d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 1080d3d065c0SNikolay Aleksandrov { 10819632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10829632233eSNikolay Aleksandrov 1083a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1084a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10859632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10869632233eSNikolay Aleksandrov ip6_rlist); 10879632233eSNikolay Aleksandrov else 1088a3c02e76SLinus Lüssing #endif 10899632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10909632233eSNikolay Aleksandrov ip4_rlist); 10919632233eSNikolay Aleksandrov 10929632233eSNikolay Aleksandrov if (mctx) 10939632233eSNikolay Aleksandrov return mctx->port; 10949632233eSNikolay Aleksandrov else 10959632233eSNikolay Aleksandrov return NULL; 109644ebb081SLinus Lüssing } 109744ebb081SLinus Lüssing 1098d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 109985b35269SSridhar Samudrala { 1100d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 11011a3065a2SLinus Lüssing } 11021a3065a2SLinus Lüssing 1103d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 11041a3065a2SLinus Lüssing { 11051a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1106d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 11071a3065a2SLinus Lüssing #else 11081a3065a2SLinus Lüssing return false; 11091a3065a2SLinus Lüssing #endif 11101a3065a2SLinus Lüssing } 11111a3065a2SLinus Lüssing 11121a3065a2SLinus Lüssing static inline bool 1113adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 11141a3065a2SLinus Lüssing { 1115d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 11161a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 11171a3065a2SLinus Lüssing return true; 11181a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 11191a3065a2SLinus Lüssing if (skb) { 11201a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1121d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 11221a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1123d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 11241a3065a2SLinus Lüssing } else { 1125d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1126d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 11271a3065a2SLinus Lüssing } 11281a3065a2SLinus Lüssing fallthrough; 11291a3065a2SLinus Lüssing default: 11301a3065a2SLinus Lüssing return false; 11311a3065a2SLinus Lüssing } 113285b35269SSridhar Samudrala } 1133b00589afSLinus Lüssing 1134cc0fdd80SLinus Lüssing static inline bool 1135adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 11360888d5f3Sdaniel struct bridge_mcast_other_query *querier, 11370888d5f3Sdaniel const bool is_ipv6) 1138b00589afSLinus Lüssing { 11390888d5f3Sdaniel bool own_querier_enabled; 11400888d5f3Sdaniel 114162938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1142adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 11430888d5f3Sdaniel own_querier_enabled = false; 11440888d5f3Sdaniel else 11450888d5f3Sdaniel own_querier_enabled = true; 11460888d5f3Sdaniel } else { 11470888d5f3Sdaniel own_querier_enabled = false; 11480888d5f3Sdaniel } 11490888d5f3Sdaniel 1150cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 11510888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1152cc0fdd80SLinus Lüssing } 1153cc0fdd80SLinus Lüssing 1154adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1155955062b0SNikolay Aleksandrov struct ethhdr *eth, 1156955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1157cc0fdd80SLinus Lüssing { 1158cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1159cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1160adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1161adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1162cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1163cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1164adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1165adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1166cc0fdd80SLinus Lüssing #endif 1167cc0fdd80SLinus Lüssing default: 1168955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1169cc0fdd80SLinus Lüssing } 1170b00589afSLinus Lüssing } 11711080ab95SNikolay Aleksandrov 117288d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 117388d4bd18SNikolay Aleksandrov { 117488d4bd18SNikolay Aleksandrov switch (ip->proto) { 117588d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 117688d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 117788d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 117888d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 117988d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 118088d4bd18SNikolay Aleksandrov #endif 118188d4bd18SNikolay Aleksandrov default: 118288d4bd18SNikolay Aleksandrov return false; 118388d4bd18SNikolay Aleksandrov } 118488d4bd18SNikolay Aleksandrov } 118588d4bd18SNikolay Aleksandrov 1186adc47037SNikolay Aleksandrov static inline bool 1187adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11888266a049SNikolay Aleksandrov __be16 proto) 11898266a049SNikolay Aleksandrov { 11908266a049SNikolay Aleksandrov switch (proto) { 11918266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1192adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11938266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11948266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1195adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11968266a049SNikolay Aleksandrov #endif 11978266a049SNikolay Aleksandrov default: 11988266a049SNikolay Aleksandrov return false; 11998266a049SNikolay Aleksandrov } 12008266a049SNikolay Aleksandrov } 12018266a049SNikolay Aleksandrov 12021080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 12031080ab95SNikolay Aleksandrov { 12041080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 12051080ab95SNikolay Aleksandrov } 120642c11ccfSNikolay Aleksandrov 1207adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 120842c11ccfSNikolay Aleksandrov { 1209adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1210adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 121142c11ccfSNikolay Aleksandrov } 12120436862eSNikolay Aleksandrov 1213adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 12140436862eSNikolay Aleksandrov { 1215fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 12160436862eSNikolay Aleksandrov } 12177b54aaafSNikolay Aleksandrov 12187b54aaafSNikolay Aleksandrov static inline bool 12197b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 12207b54aaafSNikolay Aleksandrov { 12217b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 12227b54aaafSNikolay Aleksandrov } 12237b54aaafSNikolay Aleksandrov 12247b54aaafSNikolay Aleksandrov static inline bool 12257b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 12267b54aaafSNikolay Aleksandrov { 12277b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 12287b54aaafSNikolay Aleksandrov } 12297b54aaafSNikolay Aleksandrov 12307b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 12317b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 12327b54aaafSNikolay Aleksandrov { 12337b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 12347b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 12357b54aaafSNikolay Aleksandrov else 12367b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 12377b54aaafSNikolay Aleksandrov } 12387b54aaafSNikolay Aleksandrov 12397b54aaafSNikolay Aleksandrov static inline bool 12407b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 12417b54aaafSNikolay Aleksandrov { 1242168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1243168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1244168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 12457b54aaafSNikolay Aleksandrov } 12467b54aaafSNikolay Aleksandrov 12477b54aaafSNikolay Aleksandrov static inline bool 12487b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 12497b54aaafSNikolay Aleksandrov { 12507b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 12517b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12527b54aaafSNikolay Aleksandrov } 12537b54aaafSNikolay Aleksandrov 12547b54aaafSNikolay Aleksandrov static inline bool 12557b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 12567b54aaafSNikolay Aleksandrov { 12577b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 12587b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 12597b54aaafSNikolay Aleksandrov } 12604cdd0d10SNikolay Aleksandrov 12614cdd0d10SNikolay Aleksandrov static inline bool 12624cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 12634cdd0d10SNikolay Aleksandrov { 12644cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 12654cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12664cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 12674cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 12684cdd0d10SNikolay Aleksandrov } 12694cdd0d10SNikolay Aleksandrov 12704cdd0d10SNikolay Aleksandrov static inline bool 12714cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 12724cdd0d10SNikolay Aleksandrov { 12734cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 12744cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 12754cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 12764cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 12774cdd0d10SNikolay Aleksandrov } 1278df271cd6SNikolay Aleksandrov 1279df271cd6SNikolay Aleksandrov static inline bool 1280dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1281dc002875SNikolay Aleksandrov { 1282dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1283dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1284dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1285dc002875SNikolay Aleksandrov #else 1286dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1287dc002875SNikolay Aleksandrov #endif 1288dc002875SNikolay Aleksandrov } 1289dc002875SNikolay Aleksandrov 1290dc002875SNikolay Aleksandrov static inline bool 1291df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1292df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1293df271cd6SNikolay Aleksandrov { 1294df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1295df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1296931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1297931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 129850725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 129950725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 130077f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 130177f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 13022da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 13032da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1304cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1305cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1306d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1307d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 130842521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 130942521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1310941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1311941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 131262938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1313a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1314dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1315dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1316df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1317df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1318df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1319df271cd6SNikolay Aleksandrov #endif 1320df271cd6SNikolay Aleksandrov true; 1321df271cd6SNikolay Aleksandrov } 1322cb486ce9SNikolay Aleksandrov 1323cb486ce9SNikolay Aleksandrov static inline bool 1324cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1325cb486ce9SNikolay Aleksandrov { 1326cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1327cb486ce9SNikolay Aleksandrov 1328cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1329cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1330cb486ce9SNikolay Aleksandrov 1331cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1332cb486ce9SNikolay Aleksandrov } 1333eb1d1641SHerbert Xu #else 1334f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1335f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1336f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 133706499098SVlad Yasevich struct sk_buff *skb, 133806499098SVlad Yasevich u16 vid) 1339eb1d1641SHerbert Xu { 1340eb1d1641SHerbert Xu return 0; 1341eb1d1641SHerbert Xu } 1342eb1d1641SHerbert Xu 1343adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1344fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1345eb1d1641SHerbert Xu { 1346eb1d1641SHerbert Xu return NULL; 1347eb1d1641SHerbert Xu } 1348eb1d1641SHerbert Xu 13491080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1350eb1d1641SHerbert Xu { 13511080ab95SNikolay Aleksandrov return 0; 1352eb1d1641SHerbert Xu } 1353eb1d1641SHerbert Xu 1354eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1355eb1d1641SHerbert Xu { 1356eb1d1641SHerbert Xu } 1357eb1d1641SHerbert Xu 1358eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1359eb1d1641SHerbert Xu { 1360eb1d1641SHerbert Xu } 1361eb1d1641SHerbert Xu 1362eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1363eb1d1641SHerbert Xu { 1364eb1d1641SHerbert Xu } 1365eb1d1641SHerbert Xu 1366eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1367eb1d1641SHerbert Xu { 1368eb1d1641SHerbert Xu } 1369eb1d1641SHerbert Xu 1370851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1371851d0a73SJoseph Huang { 1372851d0a73SJoseph Huang } 1373851d0a73SJoseph Huang 1374851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1375851d0a73SJoseph Huang { 1376851d0a73SJoseph Huang } 1377851d0a73SJoseph Huang 1378eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1379eb1d1641SHerbert Xu { 1380eb1d1641SHerbert Xu } 1381eb1d1641SHerbert Xu 1382eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1383eb1d1641SHerbert Xu { 1384eb1d1641SHerbert Xu } 13855cb5e947SHerbert Xu 1386a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1387a7ce45a7SNikolay Aleksandrov { 1388a7ce45a7SNikolay Aleksandrov } 1389a7ce45a7SNikolay Aleksandrov 139037b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 139137b090e6SNikolay Aleksandrov struct sk_buff *skb, 1392adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 139337b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13945cb5e947SHerbert Xu { 13955cb5e947SHerbert Xu } 13965cb5e947SHerbert Xu 1397adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1398bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1399eb1d1641SHerbert Xu { 140003aaa9e2SGustavo A. R. Silva return false; 1401eb1d1641SHerbert Xu } 140237b090e6SNikolay Aleksandrov 1403adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1404c43fd36fSVladimir Oltean struct ethhdr *eth, 1405c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1406b00589afSLinus Lüssing { 1407b00589afSLinus Lüssing return false; 1408b00589afSLinus Lüssing } 140937b090e6SNikolay Aleksandrov 1410cc7f5022SIdo Schimmel static inline int br_mdb_add(struct net_device *dev, struct nlattr *tb[], 1411cc7f5022SIdo Schimmel u16 nlmsg_flags, struct netlink_ext_ack *extack) 1412cc7f5022SIdo Schimmel { 1413cc7f5022SIdo Schimmel return -EOPNOTSUPP; 1414cc7f5022SIdo Schimmel } 1415cc7f5022SIdo Schimmel 1416cc7f5022SIdo Schimmel static inline int br_mdb_del(struct net_device *dev, struct nlattr *tb[], 1417c009de10SIdo Schimmel struct netlink_ext_ack *extack) 1418c009de10SIdo Schimmel { 1419c009de10SIdo Schimmel return -EOPNOTSUPP; 1420c009de10SIdo Schimmel } 1421c009de10SIdo Schimmel 1422cc7f5022SIdo Schimmel static inline int br_mdb_dump(struct net_device *dev, struct sk_buff *skb, 1423c009de10SIdo Schimmel struct netlink_callback *cb) 1424c009de10SIdo Schimmel { 1425c009de10SIdo Schimmel return 0; 1426c009de10SIdo Schimmel } 1427c009de10SIdo Schimmel 142819e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 142919e3a9c9SNikolay Aleksandrov { 143019e3a9c9SNikolay Aleksandrov return 0; 143119e3a9c9SNikolay Aleksandrov } 143219e3a9c9SNikolay Aleksandrov 143319e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 143419e3a9c9SNikolay Aleksandrov { 143519e3a9c9SNikolay Aleksandrov } 143619e3a9c9SNikolay Aleksandrov 14371080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 14381080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1439a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1440a65056ecSNikolay Aleksandrov u8 type, u8 dir) 14411080ab95SNikolay Aleksandrov { 14421080ab95SNikolay Aleksandrov } 14431080ab95SNikolay Aleksandrov 14441080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 14451080ab95SNikolay Aleksandrov { 14461080ab95SNikolay Aleksandrov return 0; 14471080ab95SNikolay Aleksandrov } 14481080ab95SNikolay Aleksandrov 1449b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1450b6fe0440SIdo Schimmel { 1451b6fe0440SIdo Schimmel } 1452b6fe0440SIdo Schimmel 14531080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 14541080ab95SNikolay Aleksandrov { 14551080ab95SNikolay Aleksandrov return 0; 14561080ab95SNikolay Aleksandrov } 1457613d61dbSNikolay Aleksandrov 1458613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1459613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1460613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1461613d61dbSNikolay Aleksandrov { 1462613d61dbSNikolay Aleksandrov } 1463613d61dbSNikolay Aleksandrov 1464613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1465613d61dbSNikolay Aleksandrov { 1466613d61dbSNikolay Aleksandrov } 1467613d61dbSNikolay Aleksandrov 1468613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1469613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1470613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1471613d61dbSNikolay Aleksandrov { 1472613d61dbSNikolay Aleksandrov } 1473613d61dbSNikolay Aleksandrov 1474613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1475613d61dbSNikolay Aleksandrov { 1476613d61dbSNikolay Aleksandrov } 14777b54aaafSNikolay Aleksandrov 14787b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 14797b54aaafSNikolay Aleksandrov bool on) 14807b54aaafSNikolay Aleksandrov { 14817b54aaafSNikolay Aleksandrov } 1482f4b7002aSNikolay Aleksandrov 1483f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1484f4b7002aSNikolay Aleksandrov bool on, 1485f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1486f4b7002aSNikolay Aleksandrov { 1487f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1488f4b7002aSNikolay Aleksandrov } 14899dee572cSNikolay Aleksandrov 14909dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14919dee572cSNikolay Aleksandrov bool on) 14929dee572cSNikolay Aleksandrov { 14939dee572cSNikolay Aleksandrov return false; 14949dee572cSNikolay Aleksandrov } 14954e51bf44SVladimir Oltean 1496df271cd6SNikolay Aleksandrov static inline bool 1497df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1498df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1499df271cd6SNikolay Aleksandrov { 1500df271cd6SNikolay Aleksandrov return true; 1501df271cd6SNikolay Aleksandrov } 150285b35269SSridhar Samudrala #endif 1503eb1d1641SHerbert Xu 1504243a2e63SVlad Yasevich /* br_vlan.c */ 1505243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 150677751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 150777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1508f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1509f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 151077751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 151185f46c6bSVlad Yasevich const struct sk_buff *skb); 1512e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1513348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 151411538d03SRoopa Prabhu const struct net_bridge_port *port, 15152594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 151678851988SVlad Yasevich struct sk_buff *skb); 1517f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1518169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1519348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1520348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 15212594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1522204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 15239e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 15249e781401SVladimir Oltean struct netlink_ext_ack *extack); 1525dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1526dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 15279e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 15289e781401SVladimir Oltean struct netlink_ext_ack *extack); 15296dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 15309163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 15315be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 15329e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 15339e781401SVladimir Oltean struct netlink_ext_ack *extack); 1534169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1535169327d5SPetr Machata struct netlink_ext_ack *extack); 1536f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1537169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1538348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1539348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1540169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 15412594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1542a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1543281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 15449c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1545091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 15469c0ec2e7SMike Manning void *ptr); 15478dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 15488dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1549cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1550cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1551cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1552cf5bddb9SNikolay Aleksandrov int cmd); 1553a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1554a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1555a37b85c9SVlad Yasevich 1556bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1557bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1558bcf2766bSFelix Fietkau struct net_device_path *path); 1559bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1560bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1561bcf2766bSFelix Fietkau struct net_device_path *path); 1562bcf2766bSFelix Fietkau 15632594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1564a37b85c9SVlad Yasevich const struct net_bridge *br) 1565a37b85c9SVlad Yasevich { 1566907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1567a37b85c9SVlad Yasevich } 1568a37b85c9SVlad Yasevich 15692594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1570a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1571a37b85c9SVlad Yasevich { 1572907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1573907b1e6eSNikolay Aleksandrov } 1574907b1e6eSNikolay Aleksandrov 1575907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1576907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1577907b1e6eSNikolay Aleksandrov { 1578907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1579907b1e6eSNikolay Aleksandrov } 1580907b1e6eSNikolay Aleksandrov 1581907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1582907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1583907b1e6eSNikolay Aleksandrov { 1584907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1585a37b85c9SVlad Yasevich } 1586a37b85c9SVlad Yasevich 1587a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1588a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1589a37b85c9SVlad Yasevich */ 1590a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1591a37b85c9SVlad Yasevich { 1592a37b85c9SVlad Yasevich int err = 0; 1593a37b85c9SVlad Yasevich 15942594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15955978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15962594e906SNikolay Aleksandrov } else { 1597a37b85c9SVlad Yasevich *vid = 0; 1598a37b85c9SVlad Yasevich err = -EINVAL; 1599a37b85c9SVlad Yasevich } 1600a37b85c9SVlad Yasevich 1601a37b85c9SVlad Yasevich return err; 1602a37b85c9SVlad Yasevich } 160378851988SVlad Yasevich 160477751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 160578851988SVlad Yasevich { 160677751ee8SNikolay Aleksandrov if (!vg) 16075be5a2dfSVlad Yasevich return 0; 16085be5a2dfSVlad Yasevich 160978851988SVlad Yasevich smp_rmb(); 161077751ee8SNikolay Aleksandrov return vg->pvid; 161178851988SVlad Yasevich } 161278851988SVlad Yasevich 16138dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 16148dcea187SNikolay Aleksandrov { 16158dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 16168dcea187SNikolay Aleksandrov } 1617243a2e63SVlad Yasevich #else 161877751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 161977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 16202594e906SNikolay Aleksandrov struct sk_buff *skb, 1621f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1622f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1623f4b7002aSNikolay Aleksandrov 16242594e906SNikolay Aleksandrov { 1625f4b7002aSNikolay Aleksandrov *vlan = NULL; 16262594e906SNikolay Aleksandrov return true; 16272594e906SNikolay Aleksandrov } 16282594e906SNikolay Aleksandrov 16292594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 163085f46c6bSVlad Yasevich const struct sk_buff *skb) 163185f46c6bSVlad Yasevich { 163285f46c6bSVlad Yasevich return true; 163385f46c6bSVlad Yasevich } 163485f46c6bSVlad Yasevich 1635e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1636e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1637e0d7968aSToshiaki Makita { 1638e0d7968aSToshiaki Makita return true; 1639e0d7968aSToshiaki Makita } 1640e0d7968aSToshiaki Makita 164178851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 164211538d03SRoopa Prabhu const struct net_bridge_port *port, 16432594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 164478851988SVlad Yasevich struct sk_buff *skb) 164578851988SVlad Yasevich { 164678851988SVlad Yasevich return skb; 164778851988SVlad Yasevich } 164878851988SVlad Yasevich 1649f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1650169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1651243a2e63SVlad Yasevich { 1652f418af63SNikolay Aleksandrov *changed = false; 1653243a2e63SVlad Yasevich return -EOPNOTSUPP; 1654243a2e63SVlad Yasevich } 1655243a2e63SVlad Yasevich 1656243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1657243a2e63SVlad Yasevich { 1658243a2e63SVlad Yasevich return -EOPNOTSUPP; 1659243a2e63SVlad Yasevich } 1660243a2e63SVlad Yasevich 1661243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1662243a2e63SVlad Yasevich { 1663243a2e63SVlad Yasevich } 1664243a2e63SVlad Yasevich 1665204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1666204177f3SToshiaki Makita { 1667204177f3SToshiaki Makita } 1668204177f3SToshiaki Makita 16695be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 16708580e211SToshiaki Makita { 16715be5a2dfSVlad Yasevich return 0; 16728580e211SToshiaki Makita } 16738580e211SToshiaki Makita 1674f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1675169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1676243a2e63SVlad Yasevich { 1677f418af63SNikolay Aleksandrov *changed = false; 1678243a2e63SVlad Yasevich return -EOPNOTSUPP; 1679243a2e63SVlad Yasevich } 1680243a2e63SVlad Yasevich 1681243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1682243a2e63SVlad Yasevich { 1683243a2e63SVlad Yasevich return -EOPNOTSUPP; 1684243a2e63SVlad Yasevich } 1685243a2e63SVlad Yasevich 1686243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1687243a2e63SVlad Yasevich { 1688243a2e63SVlad Yasevich } 1689243a2e63SVlad Yasevich 16902594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16912594e906SNikolay Aleksandrov u16 vid) 1692a37b85c9SVlad Yasevich { 1693a37b85c9SVlad Yasevich return NULL; 1694a37b85c9SVlad Yasevich } 1695bc9a25d2SVlad Yasevich 1696169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1697169327d5SPetr Machata struct netlink_ext_ack *extack) 16985be5a2dfSVlad Yasevich { 16995be5a2dfSVlad Yasevich return 0; 17005be5a2dfSVlad Yasevich } 17015be5a2dfSVlad Yasevich 170278851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1703a37b85c9SVlad Yasevich { 1704a37b85c9SVlad Yasevich return 0; 1705a37b85c9SVlad Yasevich } 17062594e906SNikolay Aleksandrov 170777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 170878851988SVlad Yasevich { 17093df6bf45SVlad Yasevich return 0; 171078851988SVlad Yasevich } 17112796d0c6SVlad Yasevich 17127a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1713c97f47e3SVladimir Oltean unsigned long val, 1714c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1715a7854037SNikolay Aleksandrov { 1716a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1717a7854037SNikolay Aleksandrov } 17182594e906SNikolay Aleksandrov 17192594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 17202594e906SNikolay Aleksandrov u32 filter_mask) 17212594e906SNikolay Aleksandrov { 17222594e906SNikolay Aleksandrov return 0; 17232594e906SNikolay Aleksandrov } 17242594e906SNikolay Aleksandrov 1725bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1726bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1727bcf2766bSFelix Fietkau struct net_device_path *path) 1728bcf2766bSFelix Fietkau { 1729bcf2766bSFelix Fietkau } 1730bcf2766bSFelix Fietkau 1731bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1732bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1733bcf2766bSFelix Fietkau struct net_device_path *path) 1734bcf2766bSFelix Fietkau { 1735bcf2766bSFelix Fietkau return 0; 1736bcf2766bSFelix Fietkau } 1737bcf2766bSFelix Fietkau 17382594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 17392594e906SNikolay Aleksandrov const struct net_bridge *br) 17402594e906SNikolay Aleksandrov { 17412594e906SNikolay Aleksandrov return NULL; 17422594e906SNikolay Aleksandrov } 17432594e906SNikolay Aleksandrov 17442594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 17452594e906SNikolay Aleksandrov const struct net_bridge_port *p) 17462594e906SNikolay Aleksandrov { 17472594e906SNikolay Aleksandrov return NULL; 17482594e906SNikolay Aleksandrov } 1749907b1e6eSNikolay Aleksandrov 1750907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1751907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1752907b1e6eSNikolay Aleksandrov { 1753907b1e6eSNikolay Aleksandrov return NULL; 1754907b1e6eSNikolay Aleksandrov } 1755907b1e6eSNikolay Aleksandrov 1756907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1757907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1758907b1e6eSNikolay Aleksandrov { 1759907b1e6eSNikolay Aleksandrov return NULL; 1760907b1e6eSNikolay Aleksandrov } 1761a60c0903SNikolay Aleksandrov 1762a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1763281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1764a60c0903SNikolay Aleksandrov { 1765a60c0903SNikolay Aleksandrov } 17669c0ec2e7SMike Manning 17679c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 17689c0ec2e7SMike Manning unsigned long event) 17699c0ec2e7SMike Manning { 17709c0ec2e7SMike Manning } 17719c0ec2e7SMike Manning 1772091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 17739c0ec2e7SMike Manning unsigned long event, void *ptr) 17749c0ec2e7SMike Manning { 1775091adf9bSNikolay Aleksandrov return 0; 17769c0ec2e7SMike Manning } 17778dcea187SNikolay Aleksandrov 17788dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 17798dcea187SNikolay Aleksandrov { 17808dcea187SNikolay Aleksandrov } 17818dcea187SNikolay Aleksandrov 17828dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 17838dcea187SNikolay Aleksandrov { 17848dcea187SNikolay Aleksandrov } 1785cf5bddb9SNikolay Aleksandrov 1786cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1787cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1788cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1789cf5bddb9SNikolay Aleksandrov int cmd) 1790cf5bddb9SNikolay Aleksandrov { 1791cf5bddb9SNikolay Aleksandrov } 1792528ae84aSNikolay Aleksandrov 1793528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1794528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1795528ae84aSNikolay Aleksandrov { 1796528ae84aSNikolay Aleksandrov return true; 1797528ae84aSNikolay Aleksandrov } 17984e51bf44SVladimir Oltean 1799c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1800c5f6e5ebSVladimir Oltean { 1801c5f6e5ebSVladimir Oltean return 0; 1802c5f6e5ebSVladimir Oltean } 1803c5f6e5ebSVladimir Oltean 1804243a2e63SVlad Yasevich #endif 1805243a2e63SVlad Yasevich 18067a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 18077a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 180899f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 180999f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1810a1aee20dSPetr Machata bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v, 1811a1aee20dSPetr Machata const struct net_bridge_port *p); 18127a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1813a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1814a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1815a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1816a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1817a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1818a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 181947ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 182047ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 182147ecd2dbSNikolay Aleksandrov int cmd, 182247ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1823743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1824743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1825743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1826743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1827a580c76dSNikolay Aleksandrov 1828a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1829a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1830a580c76dSNikolay Aleksandrov { 1831a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1832a580c76dSNikolay Aleksandrov } 1833a580c76dSNikolay Aleksandrov 1834a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1835a580c76dSNikolay Aleksandrov { 1836a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1837a580c76dSNikolay Aleksandrov } 1838a580c76dSNikolay Aleksandrov 1839a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1840a580c76dSNikolay Aleksandrov { 1841a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1842a580c76dSNikolay Aleksandrov } 1843a580c76dSNikolay Aleksandrov 1844a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1845a580c76dSNikolay Aleksandrov u8 state) 1846a580c76dSNikolay Aleksandrov { 1847a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1848a580c76dSNikolay Aleksandrov } 1849a580c76dSNikolay Aleksandrov 1850a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1851a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1852a580c76dSNikolay Aleksandrov { 1853a580c76dSNikolay Aleksandrov switch (state) { 1854a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1855a580c76dSNikolay Aleksandrov return learn_allow; 1856a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1857a580c76dSNikolay Aleksandrov return true; 1858a580c76dSNikolay Aleksandrov default: 1859a580c76dSNikolay Aleksandrov return false; 1860a580c76dSNikolay Aleksandrov } 1861a580c76dSNikolay Aleksandrov } 18627a53e718SNikolay Aleksandrov #endif 18637a53e718SNikolay Aleksandrov 1864ec7328b5STobias Waldekranz /* br_mst.c */ 1865ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1866ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1867ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1868ec7328b5STobias Waldekranz { 1869ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1870ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1871ec7328b5STobias Waldekranz } 1872ec7328b5STobias Waldekranz 1873ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1874ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 18758c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1876ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1877ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1878ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1879122c2948STobias Waldekranz size_t br_mst_info_size(const struct net_bridge_vlan_group *vg); 1880122c2948STobias Waldekranz int br_mst_fill_info(struct sk_buff *skb, 1881122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg); 1882122c2948STobias Waldekranz int br_mst_process(struct net_bridge_port *p, const struct nlattr *mst_attr, 1883122c2948STobias Waldekranz struct netlink_ext_ack *extack); 1884ec7328b5STobias Waldekranz #else 1885ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1886ec7328b5STobias Waldekranz { 1887ec7328b5STobias Waldekranz return false; 1888ec7328b5STobias Waldekranz } 1889ec7328b5STobias Waldekranz 1890ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1891ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1892ec7328b5STobias Waldekranz { 1893ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1894ec7328b5STobias Waldekranz } 1895ec7328b5STobias Waldekranz 1896ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1897ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1898ec7328b5STobias Waldekranz { 1899ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1900ec7328b5STobias Waldekranz } 1901122c2948STobias Waldekranz 1902122c2948STobias Waldekranz static inline size_t br_mst_info_size(const struct net_bridge_vlan_group *vg) 1903122c2948STobias Waldekranz { 1904122c2948STobias Waldekranz return 0; 1905122c2948STobias Waldekranz } 1906122c2948STobias Waldekranz 1907122c2948STobias Waldekranz static inline int br_mst_fill_info(struct sk_buff *skb, 1908122c2948STobias Waldekranz const struct net_bridge_vlan_group *vg) 1909122c2948STobias Waldekranz { 1910122c2948STobias Waldekranz return -EOPNOTSUPP; 1911122c2948STobias Waldekranz } 1912122c2948STobias Waldekranz 1913122c2948STobias Waldekranz static inline int br_mst_process(struct net_bridge_port *p, 1914122c2948STobias Waldekranz const struct nlattr *mst_attr, 1915122c2948STobias Waldekranz struct netlink_ext_ack *extack) 1916122c2948STobias Waldekranz { 1917122c2948STobias Waldekranz return -EOPNOTSUPP; 1918122c2948STobias Waldekranz } 1919ec7328b5STobias Waldekranz #endif 1920ec7328b5STobias Waldekranz 19211a4ba64dSPablo Neira Ayuso struct nf_br_ops { 19221a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 19231a4ba64dSPablo Neira Ayuso }; 19241a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 19251a4ba64dSPablo Neira Ayuso 19261da177e4SLinus Torvalds /* br_netfilter.c */ 192734666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 192834666d46SPablo Neira Ayuso int br_nf_core_init(void); 192934666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1930348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1931c0909713SStephen Hemminger #else 193234666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 193334666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 19344adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1935c0909713SStephen Hemminger #endif 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvalds /* br_stp.c */ 1938775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1939348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1940348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1941348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 19421da177e4SLinus Torvalds 1943348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1944348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1945348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1946348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 194782dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 19489e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 194914f98f25Sstephen hemminger 195014f98f25Sstephen hemminger 19511da177e4SLinus Torvalds /* br_stp_if.c */ 1952348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1953348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1954419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1955419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1956348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1957348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1958348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1959348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1960348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1961348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1962348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1963348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 19641da177e4SLinus Torvalds 19651da177e4SLinus Torvalds /* br_stp_bpdu.c */ 19667c85fbf0SPatrick McHardy struct stp_proto; 1967348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 19687c85fbf0SPatrick McHardy struct net_device *dev); 19691da177e4SLinus Torvalds 19701da177e4SLinus Torvalds /* br_stp_timer.c */ 1971348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1972348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1973348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 19741da177e4SLinus Torvalds 19751da177e4SLinus Torvalds /* br.c */ 1976e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1977da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1978da678292SMichał Mirosław #endif 19791da177e4SLinus Torvalds 198065369933SHoratiu Vultur /* br_mrp.c */ 198165369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 198265369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 198365369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 198465369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 198565369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1986df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 198765369933SHoratiu Vultur #else 198865369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 198965369933SHoratiu Vultur struct nlattr *attr, int cmd, 199065369933SHoratiu Vultur struct netlink_ext_ack *extack) 199165369933SHoratiu Vultur { 199265369933SHoratiu Vultur return -EOPNOTSUPP; 199365369933SHoratiu Vultur } 199465369933SHoratiu Vultur 199565369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 199665369933SHoratiu Vultur { 19978741e184SJason Yan return false; 199865369933SHoratiu Vultur } 199965369933SHoratiu Vultur 200065369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 200165369933SHoratiu Vultur struct net_bridge_port *p) 200265369933SHoratiu Vultur { 200365369933SHoratiu Vultur } 2004df42ef22SHoratiu Vultur 2005df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 2006df42ef22SHoratiu Vultur { 2007df42ef22SHoratiu Vultur return 0; 2008df42ef22SHoratiu Vultur } 2009df42ef22SHoratiu Vultur 201065369933SHoratiu Vultur #endif 201165369933SHoratiu Vultur 20122be665c3SHenrik Bjoernlund /* br_cfm.c */ 201386a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 20142be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 20152be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 20162be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 201786a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 20185e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 2019b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 2020b6d0425bSHenrik Bjoernlund struct net_bridge *br, 2021b6d0425bSHenrik Bjoernlund bool getlink); 2022b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 2023b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 202486a14b79SHenrik Bjoernlund #else 20252be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 20262be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 20272be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 20282be665c3SHenrik Bjoernlund { 20292be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 20302be665c3SHenrik Bjoernlund } 20312be665c3SHenrik Bjoernlund 20322be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 20332be665c3SHenrik Bjoernlund { 20342be665c3SHenrik Bjoernlund return false; 20352be665c3SHenrik Bjoernlund } 20362be665c3SHenrik Bjoernlund 203786a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 203886a14b79SHenrik Bjoernlund struct net_bridge_port *p) 203986a14b79SHenrik Bjoernlund { 204086a14b79SHenrik Bjoernlund } 20415e312fc0SHenrik Bjoernlund 20425e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 20435e312fc0SHenrik Bjoernlund { 20445e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 20455e312fc0SHenrik Bjoernlund } 2046e77824d8SHenrik Bjoernlund 2047b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 2048b6d0425bSHenrik Bjoernlund struct net_bridge *br, 2049b6d0425bSHenrik Bjoernlund bool getlink) 2050b6d0425bSHenrik Bjoernlund { 2051b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2052b6d0425bSHenrik Bjoernlund } 2053b6d0425bSHenrik Bjoernlund 2054b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 2055b6d0425bSHenrik Bjoernlund { 2056829e050eSIvan Vecera *count = 0; 2057b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 2058b6d0425bSHenrik Bjoernlund } 2059b6d0425bSHenrik Bjoernlund 2060b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 2061e77824d8SHenrik Bjoernlund { 2062829e050eSIvan Vecera *count = 0; 2063e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 2064e77824d8SHenrik Bjoernlund } 206586a14b79SHenrik Bjoernlund #endif 206686a14b79SHenrik Bjoernlund 206711dc1f36SStephen Hemminger /* br_netlink.c */ 2068149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 2069348662a1SJoe Perches int br_netlink_init(void); 2070348662a1SJoe Perches void br_netlink_fini(void); 207192899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 207292899063SNikolay Aleksandrov const struct net_bridge_port *port); 2073b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 2074b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 20752fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 20762fd527b7SPetr Machata struct netlink_ext_ack *extack); 2077add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 2078348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 207946c264daSNicolas Dichtel u32 filter_mask, int nlflags); 2080f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 2081f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 2082f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 2083f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 2084f26b2965SNikolay Aleksandrov bool *changed, 2085f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 208611dc1f36SStephen Hemminger 20871da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 20881da177e4SLinus Torvalds /* br_sysfs_if.c */ 208952cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 2090348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 2091348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 20921da177e4SLinus Torvalds 20931da177e4SLinus Torvalds /* br_sysfs_br.c */ 2094348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 2095348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 20961da177e4SLinus Torvalds 20971da177e4SLinus Torvalds #else 20981da177e4SLinus Torvalds 20990cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 21000cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 21010cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 21020cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 21031da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 21041da177e4SLinus Torvalds 21056bc506b4SIdo Schimmel /* br_switchdev.c */ 21066bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2107957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 2108957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2109957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2110957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2111957e2235SVladimir Oltean bool tx_fwd_offload, 2112957e2235SVladimir Oltean struct netlink_ext_ack *extack); 2113957e2235SVladimir Oltean 2114957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2115957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2116957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2117957e2235SVladimir Oltean 211847211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 211947211192STobias Waldekranz 2120c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2121c5381154SVladimir Oltean 212247211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 212347211192STobias Waldekranz struct sk_buff *skb); 212447211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 212547211192STobias Waldekranz struct sk_buff *skb); 21266bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21276bc506b4SIdo Schimmel struct sk_buff *skb); 21286bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21296bc506b4SIdo Schimmel const struct sk_buff *skb); 21303922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 21313922285dSArkadi Sharshevsky unsigned long flags, 2132078bbb85SVladimir Oltean unsigned long mask, 2133078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 21346eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 21356eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2136ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2137ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2138ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2139ae039350SVladimir Oltean int type); 2140169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 21418d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2142d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 214385826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2144f1c2eddfSIdo Schimmel 2145f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2146f1c2eddfSIdo Schimmel { 2147f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2148f1c2eddfSIdo Schimmel } 21496bc506b4SIdo Schimmel #else 2150957e2235SVladimir Oltean static inline int 2151957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2152957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2153957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2154957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2155957e2235SVladimir Oltean bool tx_fwd_offload, 2156957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2157957e2235SVladimir Oltean { 2158957e2235SVladimir Oltean return -EOPNOTSUPP; 2159957e2235SVladimir Oltean } 2160957e2235SVladimir Oltean 2161957e2235SVladimir Oltean static inline void 2162957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2163957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2164957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2165957e2235SVladimir Oltean { 2166957e2235SVladimir Oltean } 2167957e2235SVladimir Oltean 216847211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 216947211192STobias Waldekranz { 217047211192STobias Waldekranz return false; 217147211192STobias Waldekranz } 217247211192STobias Waldekranz 2173c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2174c5381154SVladimir Oltean { 2175c5381154SVladimir Oltean } 2176c5381154SVladimir Oltean 217747211192STobias Waldekranz static inline void 217847211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 217947211192STobias Waldekranz struct sk_buff *skb) 218047211192STobias Waldekranz { 218147211192STobias Waldekranz } 218247211192STobias Waldekranz 218347211192STobias Waldekranz static inline void 218447211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 218547211192STobias Waldekranz struct sk_buff *skb) 218647211192STobias Waldekranz { 218747211192STobias Waldekranz } 218847211192STobias Waldekranz 21896bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 21906bc506b4SIdo Schimmel struct sk_buff *skb) 21916bc506b4SIdo Schimmel { 21926bc506b4SIdo Schimmel } 21936bc506b4SIdo Schimmel 21946bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 21956bc506b4SIdo Schimmel const struct sk_buff *skb) 21966bc506b4SIdo Schimmel { 21976bc506b4SIdo Schimmel return true; 21986bc506b4SIdo Schimmel } 21993922285dSArkadi Sharshevsky 22003922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 22013922285dSArkadi Sharshevsky unsigned long flags, 2202078bbb85SVladimir Oltean unsigned long mask, 2203078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 22043922285dSArkadi Sharshevsky { 22053922285dSArkadi Sharshevsky return 0; 22063922285dSArkadi Sharshevsky } 22076b26b51bSArkadi Sharshevsky 22088d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 22098d23a54fSVladimir Oltean u16 flags, bool changed, 2210169327d5SPetr Machata struct netlink_ext_ack *extack) 2211d66e4348SPetr Machata { 2212d66e4348SPetr Machata return -EOPNOTSUPP; 2213d66e4348SPetr Machata } 2214d66e4348SPetr Machata 2215d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2216d66e4348SPetr Machata { 2217d66e4348SPetr Machata return -EOPNOTSUPP; 2218d66e4348SPetr Machata } 2219d66e4348SPetr Machata 22206b26b51bSArkadi Sharshevsky static inline void 22216eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 22226eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 22236b26b51bSArkadi Sharshevsky { 22246b26b51bSArkadi Sharshevsky } 2225f1c2eddfSIdo Schimmel 2226ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2227ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2228ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2229ae039350SVladimir Oltean int type) 2230ae039350SVladimir Oltean { 2231ae039350SVladimir Oltean } 2232ae039350SVladimir Oltean 2233f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2234f1c2eddfSIdo Schimmel { 2235f1c2eddfSIdo Schimmel } 223685826610STobias Waldekranz 223785826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 223885826610STobias Waldekranz { 223985826610STobias Waldekranz } 224085826610STobias Waldekranz 22416bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 22426bc506b4SIdo Schimmel 2243057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2244821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2245057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2246057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2247ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2248ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2249ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 22503aca683eSIdo Schimmel bool br_is_neigh_suppress_enabled(const struct net_bridge_port *p, u16 vid); 22511da177e4SLinus Torvalds #endif 2252