12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 3199b40610SNikolay Aleksandrov #define BR_MULTICAST_QUERY_INTVL_MIN msecs_to_jiffies(1000) 32f83a112bSNikolay Aleksandrov #define BR_MULTICAST_STARTUP_QUERY_INTVL_MIN BR_MULTICAST_QUERY_INTVL_MIN 33d08c6bc0SNikolay Aleksandrov 3485826610STobias Waldekranz #define BR_HWDOM_MAX BITS_PER_LONG 3585826610STobias Waldekranz 369cde0708SStephen Hemminger #define BR_VERSION "2.3" 379cde0708SStephen Hemminger 38515853ccSstephen hemminger /* Control of forwarding link local multicast */ 39515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 40784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 415af48b59SNikolay Aleksandrov enum { 425af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 435af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 455af48b59SNikolay Aleksandrov }; 465af48b59SNikolay Aleksandrov 475af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 485af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 49f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 50f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 51515853ccSstephen hemminger 529cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 539cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 548cbb512eSStephen Hemminger 5531cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5631cbc39bSNikolay Aleksandrov 571da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 581da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 591da177e4SLinus Torvalds typedef __u16 port_id; 601da177e4SLinus Torvalds 611c1cb6d0SNikolay Aleksandrov struct bridge_id { 621da177e4SLinus Torvalds unsigned char prio[2]; 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 661c1cb6d0SNikolay Aleksandrov struct mac_addr { 67e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 681da177e4SLinus Torvalds }; 691da177e4SLinus Torvalds 70cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 71cc0fdd80SLinus Lüssing /* our own querier */ 7290010b36SLinus Lüssing struct bridge_mcast_own_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing u32 startup_sent; 75cc0fdd80SLinus Lüssing }; 76cc0fdd80SLinus Lüssing 77cc0fdd80SLinus Lüssing /* other querier */ 7890010b36SLinus Lüssing struct bridge_mcast_other_query { 79cc0fdd80SLinus Lüssing struct timer_list timer; 80cc0fdd80SLinus Lüssing unsigned long delay_time; 81cc0fdd80SLinus Lüssing }; 82dc4eb53aSLinus Lüssing 83dc4eb53aSLinus Lüssing /* selected querier */ 84dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 85dc4eb53aSLinus Lüssing struct br_ip addr; 86bb18ef8eSNikolay Aleksandrov int port_ifidx; 87f936bb42SThomas Gleixner seqcount_spinlock_t seq; 88dc4eb53aSLinus Lüssing }; 891080ab95SNikolay Aleksandrov 901080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 911080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 921080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 931080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 941080ab95SNikolay Aleksandrov }; 95cc0fdd80SLinus Lüssing #endif 96cc0fdd80SLinus Lüssing 979632233eSNikolay Aleksandrov /* net_bridge_mcast_port must be always defined due to forwarding stubs */ 989632233eSNikolay Aleksandrov struct net_bridge_mcast_port { 999632233eSNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 1009632233eSNikolay Aleksandrov struct net_bridge_port *port; 101613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 1029632233eSNikolay Aleksandrov 1039632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 1049632233eSNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 1059632233eSNikolay Aleksandrov struct hlist_node ip4_rlist; 1069632233eSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1079632233eSNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 1089632233eSNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 1099632233eSNikolay Aleksandrov struct hlist_node ip6_rlist; 1109632233eSNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 1119632233eSNikolay Aleksandrov unsigned char multicast_router; 1129632233eSNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 1139632233eSNikolay Aleksandrov }; 1149632233eSNikolay Aleksandrov 115d3d065c0SNikolay Aleksandrov /* net_bridge_mcast must be always defined due to forwarding stubs */ 116d3d065c0SNikolay Aleksandrov struct net_bridge_mcast { 117d3d065c0SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 118d3d065c0SNikolay Aleksandrov struct net_bridge *br; 119613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan; 120d3d065c0SNikolay Aleksandrov 121d3d065c0SNikolay Aleksandrov u32 multicast_last_member_count; 122d3d065c0SNikolay Aleksandrov u32 multicast_startup_query_count; 123d3d065c0SNikolay Aleksandrov 1244d5b4e84SNikolay Aleksandrov u8 multicast_querier; 125d3d065c0SNikolay Aleksandrov u8 multicast_igmp_version; 126d3d065c0SNikolay Aleksandrov u8 multicast_router; 127d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 128d3d065c0SNikolay Aleksandrov u8 multicast_mld_version; 129d3d065c0SNikolay Aleksandrov #endif 130d3d065c0SNikolay Aleksandrov unsigned long multicast_last_member_interval; 131d3d065c0SNikolay Aleksandrov unsigned long multicast_membership_interval; 132d3d065c0SNikolay Aleksandrov unsigned long multicast_querier_interval; 133d3d065c0SNikolay Aleksandrov unsigned long multicast_query_interval; 134d3d065c0SNikolay Aleksandrov unsigned long multicast_query_response_interval; 135d3d065c0SNikolay Aleksandrov unsigned long multicast_startup_query_interval; 136d3d065c0SNikolay Aleksandrov struct hlist_head ip4_mc_router_list; 137d3d065c0SNikolay Aleksandrov struct timer_list ip4_mc_router_timer; 138d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip4_other_query; 139d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip4_own_query; 140d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip4_querier; 141d3d065c0SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 142d3d065c0SNikolay Aleksandrov struct hlist_head ip6_mc_router_list; 143d3d065c0SNikolay Aleksandrov struct timer_list ip6_mc_router_timer; 144d3d065c0SNikolay Aleksandrov struct bridge_mcast_other_query ip6_other_query; 145d3d065c0SNikolay Aleksandrov struct bridge_mcast_own_query ip6_own_query; 146d3d065c0SNikolay Aleksandrov struct bridge_mcast_querier ip6_querier; 147d3d065c0SNikolay Aleksandrov #endif /* IS_ENABLED(CONFIG_IPV6) */ 148d3d065c0SNikolay Aleksandrov #endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ 149d3d065c0SNikolay Aleksandrov }; 150d3d065c0SNikolay Aleksandrov 151efa5356bSRoopa Prabhu struct br_tunnel_info { 152efa5356bSRoopa Prabhu __be64 tunnel_id; 15358e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 154efa5356bSRoopa Prabhu }; 155efa5356bSRoopa Prabhu 1569d332e69SNikolay Aleksandrov /* private vlan flags */ 1579d332e69SNikolay Aleksandrov enum { 1589d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 15927973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1607b54aaafSNikolay Aleksandrov BR_VLFLAG_MCAST_ENABLED = BIT(2), 1617b54aaafSNikolay Aleksandrov BR_VLFLAG_GLOBAL_MCAST_ENABLED = BIT(3), 1629d332e69SNikolay Aleksandrov }; 1639d332e69SNikolay Aleksandrov 1642594e906SNikolay Aleksandrov /** 1652594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1662594e906SNikolay Aleksandrov * 1672594e906SNikolay Aleksandrov * @vnode: rhashtable member 1682594e906SNikolay Aleksandrov * @vid: VLAN id 1692594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1709d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 171a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1726dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1732594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1742594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1752594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1762594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1772594e906SNikolay Aleksandrov * for this VLAN entry 178613d61dbSNikolay Aleksandrov * @br_mcast_ctx: if MASTER flag set, this is the global vlan multicast context 179613d61dbSNikolay Aleksandrov * @port_mcast_ctx: if MASTER flag unset, this is the per-port/vlan multicast 180613d61dbSNikolay Aleksandrov * context 181ec7328b5STobias Waldekranz * @msti: if MASTER flag set, this holds the VLANs MST instance 1822594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1832594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1842594e906SNikolay Aleksandrov * 1852594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1862594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1872594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1882594e906SNikolay Aleksandrov * the entry flags that are set. 1892594e906SNikolay Aleksandrov */ 1902594e906SNikolay Aleksandrov struct net_bridge_vlan { 1912594e906SNikolay Aleksandrov struct rhash_head vnode; 192efa5356bSRoopa Prabhu struct rhash_head tnode; 1932594e906SNikolay Aleksandrov u16 vid; 1942594e906SNikolay Aleksandrov u16 flags; 1959d332e69SNikolay Aleksandrov u16 priv_flags; 196a580c76dSNikolay Aleksandrov u8 state; 197281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 198243a2e63SVlad Yasevich union { 199243a2e63SVlad Yasevich struct net_bridge *br; 2002594e906SNikolay Aleksandrov struct net_bridge_port *port; 2012594e906SNikolay Aleksandrov }; 2022594e906SNikolay Aleksandrov union { 20325127759SReshetova, Elena refcount_t refcnt; 2042594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 2052594e906SNikolay Aleksandrov }; 206efa5356bSRoopa Prabhu 207efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 208efa5356bSRoopa Prabhu 209613d61dbSNikolay Aleksandrov union { 210613d61dbSNikolay Aleksandrov struct net_bridge_mcast br_mcast_ctx; 211613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port port_mcast_ctx; 212613d61dbSNikolay Aleksandrov }; 213613d61dbSNikolay Aleksandrov 214ec7328b5STobias Waldekranz u16 msti; 215ec7328b5STobias Waldekranz 2162594e906SNikolay Aleksandrov struct list_head vlist; 2172594e906SNikolay Aleksandrov 218243a2e63SVlad Yasevich struct rcu_head rcu; 2192594e906SNikolay Aleksandrov }; 2202594e906SNikolay Aleksandrov 2212594e906SNikolay Aleksandrov /** 2222594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 2232594e906SNikolay Aleksandrov * 2242594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 2252594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 2262594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 22777751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 228a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 2292594e906SNikolay Aleksandrov * 2302594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 2312594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 2322594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 2332594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 2342594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 2352594e906SNikolay Aleksandrov */ 2362594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 2372594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 238efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 2392594e906SNikolay Aleksandrov struct list_head vlan_list; 2406cbdceebSVlad Yasevich u16 num_vlans; 24177751ee8SNikolay Aleksandrov u16 pvid; 242a580c76dSNikolay Aleksandrov u8 pvid_state; 243243a2e63SVlad Yasevich }; 244243a2e63SVlad Yasevich 2456869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 2466869c3b0SNikolay Aleksandrov enum { 2476869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 24829e63fffSNikolay Aleksandrov BR_FDB_STATIC, 249e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 250ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 251b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 252d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 25331cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 25431cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 2556869c3b0SNikolay Aleksandrov }; 2566869c3b0SNikolay Aleksandrov 257eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 258eb793583SNikolay Aleksandrov mac_addr addr; 259eb793583SNikolay Aleksandrov u16 vlan_id; 260eb793583SNikolay Aleksandrov }; 261eb793583SNikolay Aleksandrov 2621214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 263eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2641da177e4SLinus Torvalds struct net_bridge_port *dst; 2651da177e4SLinus Torvalds 266eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 267eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2686869c3b0SNikolay Aleksandrov unsigned long flags; 2691214628cSNikolay Aleksandrov 2701214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2711214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2721214628cSNikolay Aleksandrov unsigned long used; 2731214628cSNikolay Aleksandrov 274b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2751da177e4SLinus Torvalds }; 2761da177e4SLinus Torvalds 2779d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2789d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2793247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2808266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2819116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2829d06b6d8SElad Raz 2838b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2848b671779SNikolay Aleksandrov 2858b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2868b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 287b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2888b671779SNikolay Aleksandrov 289e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 290e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 291e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 292e12cec65SNikolay Aleksandrov }; 293e12cec65SNikolay Aleksandrov 2948b671779SNikolay Aleksandrov struct net_bridge_group_src { 2958b671779SNikolay Aleksandrov struct hlist_node node; 2968b671779SNikolay Aleksandrov 2978b671779SNikolay Aleksandrov struct br_ip addr; 2988b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2998b671779SNikolay Aleksandrov u8 flags; 300438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 3018b671779SNikolay Aleksandrov struct timer_list timer; 3028b671779SNikolay Aleksandrov 3038b671779SNikolay Aleksandrov struct net_bridge *br; 304e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3058b671779SNikolay Aleksandrov struct rcu_head rcu; 3068b671779SNikolay Aleksandrov }; 3078b671779SNikolay Aleksandrov 308085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 309eb1d1641SHerbert Xu struct net_bridge_port *port; 3108ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 311085b53c8SNikolay Aleksandrov }; 312085b53c8SNikolay Aleksandrov 313085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 314085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 315085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 316206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 3179d06b6d8SElad Raz unsigned char flags; 3188b671779SNikolay Aleksandrov unsigned char filter_mode; 31942c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 3208f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 3216ec0d0eeSNikolay Aleksandrov 3228b671779SNikolay Aleksandrov struct hlist_head src_list; 3238b671779SNikolay Aleksandrov unsigned int src_ents; 3246ec0d0eeSNikolay Aleksandrov struct timer_list timer; 32542c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 3266ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 3278f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 3288f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 3296ec0d0eeSNikolay Aleksandrov 330085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 331e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3326ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 333eb1d1641SHerbert Xu }; 334eb1d1641SHerbert Xu 3351c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 33619e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 337eb1d1641SHerbert Xu struct net_bridge *br; 338e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 3398ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 340ff0fd34eSAndrew Lunn bool host_joined; 3416ec0d0eeSNikolay Aleksandrov 3426ec0d0eeSNikolay Aleksandrov struct timer_list timer; 34319e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 3446ec0d0eeSNikolay Aleksandrov 345e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 3466ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 347eb1d1641SHerbert Xu }; 348eb1d1641SHerbert Xu 3491f90c7f3SNikolay Aleksandrov struct net_bridge_port { 3501da177e4SLinus Torvalds struct net_bridge *br; 3511da177e4SLinus Torvalds struct net_device *dev; 352b2dcdc7fSEric Dumazet netdevice_tracker dev_tracker; 3531da177e4SLinus Torvalds struct list_head list; 3541da177e4SLinus Torvalds 3551f90c7f3SNikolay Aleksandrov unsigned long flags; 3561f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3571f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3581f90c7f3SNikolay Aleksandrov #endif 3592756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 3601f90c7f3SNikolay Aleksandrov 3611da177e4SLinus Torvalds /* STP */ 3621da177e4SLinus Torvalds u8 priority; 3631da177e4SLinus Torvalds u8 state; 3641da177e4SLinus Torvalds u16 port_no; 3651da177e4SLinus Torvalds unsigned char topology_change_ack; 3661da177e4SLinus Torvalds unsigned char config_pending; 3671da177e4SLinus Torvalds port_id port_id; 3681da177e4SLinus Torvalds port_id designated_port; 3691da177e4SLinus Torvalds bridge_id designated_root; 3701da177e4SLinus Torvalds bridge_id designated_bridge; 3711da177e4SLinus Torvalds u32 path_cost; 3721da177e4SLinus Torvalds u32 designated_cost; 3730c03150eSstephen hemminger unsigned long designated_age; 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3761da177e4SLinus Torvalds struct timer_list hold_timer; 3771da177e4SLinus Torvalds struct timer_list message_age_timer; 3781da177e4SLinus Torvalds struct kobject kobj; 3791da177e4SLinus Torvalds struct rcu_head rcu; 3803982d3d2SFischer, Anna 3819632233eSNikolay Aleksandrov struct net_bridge_mcast_port multicast_ctx; 3829632233eSNikolay Aleksandrov 383eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 3849632233eSNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 3859632233eSNikolay Aleksandrov 38689268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 38789268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 388eb1d1641SHerbert Xu struct hlist_head mglist; 389eb1d1641SHerbert Xu #endif 390e0f43752SSimon Arlott 391e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 392e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 393e0f43752SSimon Arlott #endif 39491d2c34aSHerbert Xu 39591d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 39691d2c34aSHerbert Xu struct netpoll *np; 39791d2c34aSHerbert Xu #endif 3986bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 399f7cf972fSTobias Waldekranz /* Identifier used to group ports that share the same switchdev 400f7cf972fSTobias Waldekranz * hardware domain. 401f7cf972fSTobias Waldekranz */ 402f7cf972fSTobias Waldekranz int hwdom; 4032f5dc00fSVladimir Oltean int offload_count; 4042f5dc00fSVladimir Oltean struct netdev_phys_item_id ppid; 4056bc506b4SIdo Schimmel #endif 4065af48b59SNikolay Aleksandrov u16 group_fwd_mask; 4072756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 408de179966SVivien Didelot 409de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 4101da177e4SLinus Torvalds }; 4111da177e4SLinus Torvalds 412705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 413705e0deaSTyler Hicks 414e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 415f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 416e028e4b8SVlad Yasevich 417b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 418b5ed54e9Sstephen hemminger { 419716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 420b5ed54e9Sstephen hemminger } 421b5ed54e9Sstephen hemminger 4221fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 423b5ed54e9Sstephen hemminger { 42435f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 425ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 426b5ed54e9Sstephen hemminger } 427b5ed54e9Sstephen hemminger 4280baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 4290baa10ffSArkadi Sharshevsky { 43035f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 4310baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 4320baa10ffSArkadi Sharshevsky } 4330baa10ffSArkadi Sharshevsky 434ae75767eSNikolay Aleksandrov enum net_bridge_opts { 435ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 436ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 4378df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 4388df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 4398df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 440be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 44113cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 442675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 443675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 444675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 445c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 4463341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 4479163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 44870e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 4499c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 450f4b7002aSNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED, 451ec7328b5STobias Waldekranz BROPT_MST_ENABLED, 452ae75767eSNikolay Aleksandrov }; 453ae75767eSNikolay Aleksandrov 4541f90c7f3SNikolay Aleksandrov struct net_bridge { 4551da177e4SLinus Torvalds spinlock_t lock; 4561f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 45790c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 4581da177e4SLinus Torvalds struct net_device *dev; 459ae75767eSNikolay Aleksandrov unsigned long options; 4601f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 4611f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 4621f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 4631f90c7f3SNikolay Aleksandrov u16 default_pvid; 4641f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 4651f90c7f3SNikolay Aleksandrov #endif 4661f90c7f3SNikolay Aleksandrov 467eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 46890c628ddSHenrik Bjoernlund struct list_head port_list; 46934666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 470efb6de9bSBernhard Thaler union { 4714adf0af6SSimon Wunderlich struct rtable fake_rtable; 472efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 473efb6de9bSBernhard Thaler }; 4744adf0af6SSimon Wunderlich #endif 475515853ccSstephen hemminger u16 group_fwd_mask; 476f2808d22SToshiaki Makita u16 group_fwd_mask_required; 477515853ccSstephen hemminger 4781da177e4SLinus Torvalds /* STP */ 4791da177e4SLinus Torvalds bridge_id designated_root; 4801da177e4SLinus Torvalds bridge_id bridge_id; 4811f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4821f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4831f90c7f3SNikolay Aleksandrov u16 root_port; 4841da177e4SLinus Torvalds unsigned long max_age; 4851da177e4SLinus Torvalds unsigned long hello_time; 4861da177e4SLinus Torvalds unsigned long forward_delay; 4871da177e4SLinus Torvalds unsigned long ageing_time; 48834d8acd8SVivien Didelot unsigned long bridge_max_age; 4891da177e4SLinus Torvalds unsigned long bridge_hello_time; 4901da177e4SLinus Torvalds unsigned long bridge_forward_delay; 49134d8acd8SVivien Didelot unsigned long bridge_ageing_time; 49235750b0bSNikolay Aleksandrov u32 root_path_cost; 4931da177e4SLinus Torvalds 494fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4959cde0708SStephen Hemminger 4969cde0708SStephen Hemminger enum { 4979cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4989cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4999cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 5009cde0708SStephen Hemminger } stp_enabled; 5019cde0708SStephen Hemminger 502d3d065c0SNikolay Aleksandrov struct net_bridge_mcast multicast_ctx; 503d3d065c0SNikolay Aleksandrov 504eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 505d3d065c0SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 506eb1d1641SHerbert Xu 507eb1d1641SHerbert Xu u32 hash_max; 508eb1d1641SHerbert Xu 50935750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 510eb1d1641SHerbert Xu 51119e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 512085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 51319e3a9c9SNikolay Aleksandrov 514e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 51519e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 516eb1d1641SHerbert Xu 517e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 518eb1d1641SHerbert Xu #endif 519eb1d1641SHerbert Xu 5201da177e4SLinus Torvalds struct timer_list hello_timer; 5211da177e4SLinus Torvalds struct timer_list tcn_timer; 5221da177e4SLinus Torvalds struct timer_list topology_change_timer; 523f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 52443b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 525e028e4b8SVlad Yasevich u32 auto_cnt; 5266bc506b4SIdo Schimmel 5276bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 528f7cf972fSTobias Waldekranz /* Counter used to make sure that hardware domains get unique 529f7cf972fSTobias Waldekranz * identifiers in case a bridge spans multiple switchdev instances. 530f7cf972fSTobias Waldekranz */ 531f7cf972fSTobias Waldekranz int last_hwdom; 53285826610STobias Waldekranz /* Bit mask of hardware domain numbers in use */ 53385826610STobias Waldekranz unsigned long busy_hwdoms; 5346bc506b4SIdo Schimmel #endif 535eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 5364b8d7d4cSHoratiu Vultur 5374b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 5380169b820SHoratiu Vultur struct hlist_head mrp_list; 5394b8d7d4cSHoratiu Vultur #endif 540f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 541f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 542f323aa54SHenrik Bjoernlund #endif 5431da177e4SLinus Torvalds }; 5441da177e4SLinus Torvalds 54568b7c895SHerbert Xu struct br_input_skb_cb { 54668b7c895SHerbert Xu struct net_device *brdev; 54793fdd47eSHerbert Xu 5483c171f49SPablo Neira Ayuso u16 frag_max_size; 54932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 550f12064d1SFlorian Westphal u8 igmp; 551f12064d1SFlorian Westphal u8 mrouters_only:1; 55232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 553f12064d1SFlorian Westphal u8 proxyarp_replied:1; 554f12064d1SFlorian Westphal u8 src_port_isolated:1; 55520adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 556f12064d1SFlorian Westphal u8 vlan_filtered:1; 55720adfa1aSVlad Yasevich #endif 558223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 559223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 560223fd0adSFlorian Westphal #endif 5616bc506b4SIdo Schimmel 5626bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 56347211192STobias Waldekranz /* Set if TX data plane offloading is used towards at least one 56447211192STobias Waldekranz * hardware domain. 56547211192STobias Waldekranz */ 56647211192STobias Waldekranz u8 tx_fwd_offload:1; 567f7cf972fSTobias Waldekranz /* The switchdev hardware domain from which this packet was received. 568f7cf972fSTobias Waldekranz * If skb->offload_fwd_mark was set, then this packet was already 569f7cf972fSTobias Waldekranz * forwarded by hardware to the other ports in the source hardware 570f7cf972fSTobias Waldekranz * domain, otherwise it wasn't. 571f7cf972fSTobias Waldekranz */ 572f7cf972fSTobias Waldekranz int src_hwdom; 57347211192STobias Waldekranz /* Bit mask of hardware domains towards this packet has already been 57447211192STobias Waldekranz * transmitted using the TX data plane offload. 57547211192STobias Waldekranz */ 57647211192STobias Waldekranz unsigned long fwd_hwdoms; 5776bc506b4SIdo Schimmel #endif 57868b7c895SHerbert Xu }; 57968b7c895SHerbert Xu 58068b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 58168b7c895SHerbert Xu 58232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 58332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 58432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 58532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 58632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 58732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 58828a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 58928a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 59028a16c97Sstephen hemminger 59128a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 59228a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 59328a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 59428a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 59528a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 59628a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 59728a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 59828a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 59928a16c97Sstephen hemminger 60028a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 60128a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 60228a16c97Sstephen hemminger 6031da177e4SLinus Torvalds /* called under bridge lock */ 6041da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 6051da177e4SLinus Torvalds { 6061da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 6071da177e4SLinus Torvalds } 6081da177e4SLinus Torvalds 6092594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 6102594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 6112594e906SNikolay Aleksandrov { 6122594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 6132594e906SNikolay Aleksandrov } 6142594e906SNikolay Aleksandrov 6152594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 6162594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 6172594e906SNikolay Aleksandrov { 6182594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 6192594e906SNikolay Aleksandrov } 6202594e906SNikolay Aleksandrov 6216be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 6222594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 6232594e906SNikolay Aleksandrov { 6242594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 6252594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 6262594e906SNikolay Aleksandrov return true; 6272594e906SNikolay Aleksandrov else 6282594e906SNikolay Aleksandrov return false; 6292594e906SNikolay Aleksandrov } 6302594e906SNikolay Aleksandrov 6312594e906SNikolay Aleksandrov return true; 6322594e906SNikolay Aleksandrov } 6332594e906SNikolay Aleksandrov 6345d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 6355d1fcaf3SNikolay Aleksandrov { 6365d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 6375d1fcaf3SNikolay Aleksandrov } 6385d1fcaf3SNikolay Aleksandrov 6398f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 6405a46facbSNikolay Aleksandrov { 6418f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 6428f4cc940SNikolay Aleksandrov 6438f4cc940SNikolay Aleksandrov if (!ret) 6448f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 6458f4cc940SNikolay Aleksandrov 6468f4cc940SNikolay Aleksandrov return ret; 6475a46facbSNikolay Aleksandrov } 6485a46facbSNikolay Aleksandrov 6495a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 6508f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 6518f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 6525a46facbSNikolay Aleksandrov { 6535a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 6548f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 6558f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 6565a46facbSNikolay Aleksandrov return false; 6578f4cc940SNikolay Aleksandrov } 6585a46facbSNikolay Aleksandrov 6595a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 6605a46facbSNikolay Aleksandrov * - it has range start flag 6615a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 6625a46facbSNikolay Aleksandrov */ 6635a46facbSNikolay Aleksandrov if (last) { 6648f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 6658f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 6665a46facbSNikolay Aleksandrov return false; 6678f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6688f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6698f4cc940SNikolay Aleksandrov return false; 6708f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6718f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6728f4cc940SNikolay Aleksandrov return false; 6738f4cc940SNikolay Aleksandrov } 6748f4cc940SNikolay Aleksandrov } 6758f4cc940SNikolay Aleksandrov 6768f4cc940SNikolay Aleksandrov /* check for required range flags */ 6778f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6788f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6798f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6805a46facbSNikolay Aleksandrov return false; 6815a46facbSNikolay Aleksandrov } 6825a46facbSNikolay Aleksandrov 6835a46facbSNikolay Aleksandrov return true; 6845a46facbSNikolay Aleksandrov } 6855a46facbSNikolay Aleksandrov 6862796d846SNikolay Aleksandrov static inline u8 br_vlan_multicast_router(const struct net_bridge_vlan *v) 6872796d846SNikolay Aleksandrov { 6882796d846SNikolay Aleksandrov u8 mcast_router = MDB_RTR_TYPE_DISABLED; 6892796d846SNikolay Aleksandrov 6902796d846SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 6912796d846SNikolay Aleksandrov if (!br_vlan_is_master(v)) 6922796d846SNikolay Aleksandrov mcast_router = v->port_mcast_ctx.multicast_router; 6932796d846SNikolay Aleksandrov else 6942796d846SNikolay Aleksandrov mcast_router = v->br_mcast_ctx.multicast_router; 6952796d846SNikolay Aleksandrov #endif 6962796d846SNikolay Aleksandrov 6972796d846SNikolay Aleksandrov return mcast_router; 6982796d846SNikolay Aleksandrov } 6992796d846SNikolay Aleksandrov 700f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 701f545923bSNikolay Aleksandrov { 702f545923bSNikolay Aleksandrov switch (cmd) { 703f545923bSNikolay Aleksandrov case RTM_SETLINK: 704f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 705f545923bSNikolay Aleksandrov case RTM_DELLINK: 706f545923bSNikolay Aleksandrov return RTM_DELVLAN; 707f545923bSNikolay Aleksandrov } 708f545923bSNikolay Aleksandrov 709f545923bSNikolay Aleksandrov return 0; 710f545923bSNikolay Aleksandrov } 711f545923bSNikolay Aleksandrov 712ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 713ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 714ae75767eSNikolay Aleksandrov { 715ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 716ae75767eSNikolay Aleksandrov } 717ae75767eSNikolay Aleksandrov 718a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 719a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 720a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 721a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 722a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 723a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 724a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 725a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 726ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 727ae75767eSNikolay Aleksandrov 7281da177e4SLinus Torvalds /* br_device.c */ 729348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 730348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 731348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 732cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 73391d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 73491d2c34aSHerbert Xu struct sk_buff *skb) 73591d2c34aSHerbert Xu { 736f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 73791d2c34aSHerbert Xu } 73891d2c34aSHerbert Xu 739a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 740348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 74191d2c34aSHerbert Xu #else 7429f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 74391d2c34aSHerbert Xu struct sk_buff *skb) 74491d2c34aSHerbert Xu { 74591d2c34aSHerbert Xu } 74691d2c34aSHerbert Xu 747a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 74891d2c34aSHerbert Xu { 74991d2c34aSHerbert Xu return 0; 75091d2c34aSHerbert Xu } 75191d2c34aSHerbert Xu 75291d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 75391d2c34aSHerbert Xu { 75491d2c34aSHerbert Xu } 755cfb478daSstephen hemminger #endif 7561da177e4SLinus Torvalds 7571da177e4SLinus Torvalds /* br_fdb.c */ 758348662a1SJoe Perches int br_fdb_init(void); 759348662a1SJoe Perches void br_fdb_fini(void); 760eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 761eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 762348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 763424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 764424bb9c9SToshiaki Makita const struct net_bridge_port *p, 765424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 766348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 767348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 768f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 769348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 7701ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 771bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 772bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 773bfd0aeacSNikolay Aleksandrov __u16 vid); 774348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 775348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 776348662a1SJoe Perches unsigned long off); 777f6814fdcSVladimir Oltean int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, 778348662a1SJoe Perches const unsigned char *addr, u16 vid); 779348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 780be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 78177162022SJohn Fastabend 782348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 783f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 784348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 78587b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 78687b0984eSPetr Machata struct netlink_ext_ack *extack); 787348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 788d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 78947674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 79047674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 79147674562SRoopa Prabhu struct netlink_ext_ack *extack); 7928db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7938db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7943aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 79545a68787SNikolay Aleksandrov const unsigned char *addr, u16 vid, 796161d82deSPetr Machata bool swdev_notify); 7973aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 798161d82deSPetr Machata const unsigned char *addr, u16 vid, 799161d82deSPetr Machata bool swdev_notify); 8009fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 801e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 8021da177e4SLinus Torvalds 8031da177e4SLinus Torvalds /* br_forward.c */ 8048addd5e7SNikolay Aleksandrov enum br_pkt_type { 8058addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 8068addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 8078addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 8088addd5e7SNikolay Aleksandrov }; 8090c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 810b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 81137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 8120c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 81337b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 8148addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 8151da177e4SLinus Torvalds 8167d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 8177d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 8187d850abdSNikolay Aleksandrov const struct sk_buff *skb) 8197d850abdSNikolay Aleksandrov { 8207d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 8217d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 8227d850abdSNikolay Aleksandrov } 8237d850abdSNikolay Aleksandrov 8241da177e4SLinus Torvalds /* br_if.c */ 825faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 826348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 827348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 828ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 829ca752be0SDavid Ahern struct netlink_ext_ack *extack); 830348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 831804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 832348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 833c8f44affSMichał Mirosław netdev_features_t features); 834e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 8352796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 8362756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 8371da177e4SLinus Torvalds 8381da177e4SLinus Torvalds /* br_input.c */ 8390c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 8409eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 8411da177e4SLinus Torvalds 84290c628ddSHenrik Bjoernlund struct br_frame_type { 84390c628ddSHenrik Bjoernlund __be16 type; 84490c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 84590c628ddSHenrik Bjoernlund struct sk_buff *skb); 84690c628ddSHenrik Bjoernlund struct hlist_node list; 84790c628ddSHenrik Bjoernlund }; 84890c628ddSHenrik Bjoernlund 84990c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 85090c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 85190c628ddSHenrik Bjoernlund 852859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 853859828c0SJiri Pirko { 8549eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 855859828c0SJiri Pirko } 856859828c0SJiri Pirko 8574d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 8584d4fd361SPetr Machata { 8599eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 8604d4fd361SPetr Machata } 8614d4fd361SPetr Machata 862859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 863859828c0SJiri Pirko { 864859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 865859828c0SJiri Pirko } 866859828c0SJiri Pirko 8674d4fd361SPetr Machata static inline struct net_bridge_port * 8684d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 8694d4fd361SPetr Machata { 8704d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 8714d4fd361SPetr Machata } 8724d4fd361SPetr Machata 8731da177e4SLinus Torvalds /* br_ioctl.c */ 874561d8352SArnd Bergmann int br_dev_siocdevprivate(struct net_device *dev, struct ifreq *rq, 875561d8352SArnd Bergmann void __user *data, int cmd); 876ad2f99aeSArnd Bergmann int br_ioctl_stub(struct net *net, struct net_bridge *br, unsigned int cmd, 877ad2f99aeSArnd Bergmann struct ifreq *ifr, void __user *uarg); 8781da177e4SLinus Torvalds 879eb1d1641SHerbert Xu /* br_multicast.c */ 880eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 881f4b7002aSNikolay Aleksandrov int br_multicast_rcv(struct net_bridge_mcast **brmctx, 882f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 883f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 884fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 885adc47037SNikolay Aleksandrov struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 886eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8871080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 888348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 889348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 890348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 891348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 892851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 893851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 894348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 895348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 896e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 897adc47037SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct sk_buff *skb, 898adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 899adc47037SNikolay Aleksandrov bool local_rcv, bool local_orig); 900a97df080SNikolay Aleksandrov int br_multicast_set_router(struct net_bridge_mcast *brmctx, unsigned long val); 901a53581d5SNikolay Aleksandrov int br_multicast_set_port_router(struct net_bridge_mcast_port *pmctx, 902a53581d5SNikolay Aleksandrov unsigned long val); 9032796d846SNikolay Aleksandrov int br_multicast_set_vlan_router(struct net_bridge_vlan *v, u8 mcast_router); 904ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 905ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 90662938182SNikolay Aleksandrov int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val); 907348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 908df271cd6SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge_mcast *brmctx, 909df271cd6SNikolay Aleksandrov unsigned long val); 910aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 911df271cd6SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge_mcast *brmctx, 912df271cd6SNikolay Aleksandrov unsigned long val); 913aa2ae3e7SNikolay Aleksandrov #endif 914348662a1SJoe Perches struct net_bridge_mdb_entry * 91519e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 916348662a1SJoe Perches struct net_bridge_mdb_entry * 91719e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 918348662a1SJoe Perches struct net_bridge_port_group * 919348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 920762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 9218b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 9228f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 92319e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 92419e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 92581f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 92681f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 9271e9ca456SNikolay Aleksandrov void br_rtr_notify(struct net_device *dev, struct net_bridge_mcast_port *pmctx, 928949f1e39SSatish Ashok int type); 929681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 930681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 931681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 932adc47037SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, 933adc47037SNikolay Aleksandrov const struct net_bridge_port *p, 934a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 9351080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 936b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 9371080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 9381080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 9391080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 94019e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 94119e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 94258d913a3SNikolay Aleksandrov void br_multicast_host_join(const struct net_bridge_mcast *brmctx, 94358d913a3SNikolay Aleksandrov struct net_bridge_mdb_entry *mp, bool notify); 9441bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 9458266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 9468266a049SNikolay Aleksandrov u8 filter_mode); 9478266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 9488266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 949474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 950474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 951d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 952d5a10222SNikolay Aleksandrov bool fastleave); 953613d61dbSNikolay Aleksandrov void br_multicast_ctx_init(struct net_bridge *br, 954613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 955613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx); 956613d61dbSNikolay Aleksandrov void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx); 957613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_init(struct net_bridge_port *port, 958613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 959613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx); 960613d61dbSNikolay Aleksandrov void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx); 9617b54aaafSNikolay Aleksandrov void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, bool on); 962f4b7002aSNikolay Aleksandrov int br_multicast_toggle_vlan_snooping(struct net_bridge *br, bool on, 963f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack); 9649dee572cSNikolay Aleksandrov bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, bool on); 96585b35269SSridhar Samudrala 966dc002875SNikolay Aleksandrov int br_rports_fill_info(struct sk_buff *skb, 967dc002875SNikolay Aleksandrov const struct net_bridge_mcast *brmctx); 968c7fa1d9bSNikolay Aleksandrov int br_multicast_dump_querier_state(struct sk_buff *skb, 969c7fa1d9bSNikolay Aleksandrov const struct net_bridge_mcast *brmctx, 970c7fa1d9bSNikolay Aleksandrov int nest_attr); 971c7fa1d9bSNikolay Aleksandrov size_t br_multicast_querier_state_size(void); 97205d6f38eSNikolay Aleksandrov size_t br_rports_size(const struct net_bridge_mcast *brmctx); 97399b40610SNikolay Aleksandrov void br_multicast_set_query_intvl(struct net_bridge_mcast *brmctx, 97499b40610SNikolay Aleksandrov unsigned long val); 975f83a112bSNikolay Aleksandrov void br_multicast_set_startup_query_intvl(struct net_bridge_mcast *brmctx, 976f83a112bSNikolay Aleksandrov unsigned long val); 9774e51bf44SVladimir Oltean 978955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 979955062b0SNikolay Aleksandrov { 980955062b0SNikolay Aleksandrov return group->proto == 0; 981955062b0SNikolay Aleksandrov } 982955062b0SNikolay Aleksandrov 983cfd56754SCong Wang #define mlock_dereference(X, br) \ 984cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 985cfd56754SCong Wang 98644ebb081SLinus Lüssing static inline struct hlist_node * 987adc47037SNikolay Aleksandrov br_multicast_get_first_rport_node(struct net_bridge_mcast *brmctx, 988adc47037SNikolay Aleksandrov struct sk_buff *skb) 989d3d065c0SNikolay Aleksandrov { 990a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 991a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 992d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip6_mc_router_list)); 993a3c02e76SLinus Lüssing #endif 994d3d065c0SNikolay Aleksandrov return rcu_dereference(hlist_first_rcu(&brmctx->ip4_mc_router_list)); 99544ebb081SLinus Lüssing } 99644ebb081SLinus Lüssing 99744ebb081SLinus Lüssing static inline struct net_bridge_port * 998d3d065c0SNikolay Aleksandrov br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) 999d3d065c0SNikolay Aleksandrov { 10009632233eSNikolay Aleksandrov struct net_bridge_mcast_port *mctx; 10019632233eSNikolay Aleksandrov 1002a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1003a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 10049632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10059632233eSNikolay Aleksandrov ip6_rlist); 10069632233eSNikolay Aleksandrov else 1007a3c02e76SLinus Lüssing #endif 10089632233eSNikolay Aleksandrov mctx = hlist_entry_safe(rp, struct net_bridge_mcast_port, 10099632233eSNikolay Aleksandrov ip4_rlist); 10109632233eSNikolay Aleksandrov 10119632233eSNikolay Aleksandrov if (mctx) 10129632233eSNikolay Aleksandrov return mctx->port; 10139632233eSNikolay Aleksandrov else 10149632233eSNikolay Aleksandrov return NULL; 101544ebb081SLinus Lüssing } 101644ebb081SLinus Lüssing 1017d3d065c0SNikolay Aleksandrov static inline bool br_ip4_multicast_is_router(struct net_bridge_mcast *brmctx) 101885b35269SSridhar Samudrala { 1019d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip4_mc_router_timer); 10201a3065a2SLinus Lüssing } 10211a3065a2SLinus Lüssing 1022d3d065c0SNikolay Aleksandrov static inline bool br_ip6_multicast_is_router(struct net_bridge_mcast *brmctx) 10231a3065a2SLinus Lüssing { 10241a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1025d3d065c0SNikolay Aleksandrov return timer_pending(&brmctx->ip6_mc_router_timer); 10261a3065a2SLinus Lüssing #else 10271a3065a2SLinus Lüssing return false; 10281a3065a2SLinus Lüssing #endif 10291a3065a2SLinus Lüssing } 10301a3065a2SLinus Lüssing 10311a3065a2SLinus Lüssing static inline bool 1032adc47037SNikolay Aleksandrov br_multicast_is_router(struct net_bridge_mcast *brmctx, struct sk_buff *skb) 10331a3065a2SLinus Lüssing { 1034d3d065c0SNikolay Aleksandrov switch (brmctx->multicast_router) { 10351a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 10361a3065a2SLinus Lüssing return true; 10371a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 10381a3065a2SLinus Lüssing if (skb) { 10391a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 1040d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx); 10411a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 1042d3d065c0SNikolay Aleksandrov return br_ip6_multicast_is_router(brmctx); 10431a3065a2SLinus Lüssing } else { 1044d3d065c0SNikolay Aleksandrov return br_ip4_multicast_is_router(brmctx) || 1045d3d065c0SNikolay Aleksandrov br_ip6_multicast_is_router(brmctx); 10461a3065a2SLinus Lüssing } 10471a3065a2SLinus Lüssing fallthrough; 10481a3065a2SLinus Lüssing default: 10491a3065a2SLinus Lüssing return false; 10501a3065a2SLinus Lüssing } 105185b35269SSridhar Samudrala } 1052b00589afSLinus Lüssing 1053cc0fdd80SLinus Lüssing static inline bool 1054adc47037SNikolay Aleksandrov __br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 10550888d5f3Sdaniel struct bridge_mcast_other_query *querier, 10560888d5f3Sdaniel const bool is_ipv6) 1057b00589afSLinus Lüssing { 10580888d5f3Sdaniel bool own_querier_enabled; 10590888d5f3Sdaniel 106062938182SNikolay Aleksandrov if (brmctx->multicast_querier) { 1061adc47037SNikolay Aleksandrov if (is_ipv6 && !br_opt_get(brmctx->br, BROPT_HAS_IPV6_ADDR)) 10620888d5f3Sdaniel own_querier_enabled = false; 10630888d5f3Sdaniel else 10640888d5f3Sdaniel own_querier_enabled = true; 10650888d5f3Sdaniel } else { 10660888d5f3Sdaniel own_querier_enabled = false; 10670888d5f3Sdaniel } 10680888d5f3Sdaniel 1069cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 10700888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 1071cc0fdd80SLinus Lüssing } 1072cc0fdd80SLinus Lüssing 1073adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1074955062b0SNikolay Aleksandrov struct ethhdr *eth, 1075955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 1076cc0fdd80SLinus Lüssing { 1077cc0fdd80SLinus Lüssing switch (eth->h_proto) { 1078cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 1079adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1080adc47037SNikolay Aleksandrov &brmctx->ip4_other_query, false); 1081cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 1082cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 1083adc47037SNikolay Aleksandrov return __br_multicast_querier_exists(brmctx, 1084adc47037SNikolay Aleksandrov &brmctx->ip6_other_query, true); 1085cc0fdd80SLinus Lüssing #endif 1086cc0fdd80SLinus Lüssing default: 1087955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 1088cc0fdd80SLinus Lüssing } 1089b00589afSLinus Lüssing } 10901080ab95SNikolay Aleksandrov 109188d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 109288d4bd18SNikolay Aleksandrov { 109388d4bd18SNikolay Aleksandrov switch (ip->proto) { 109488d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 109588d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 109688d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 109788d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 109888d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 109988d4bd18SNikolay Aleksandrov #endif 110088d4bd18SNikolay Aleksandrov default: 110188d4bd18SNikolay Aleksandrov return false; 110288d4bd18SNikolay Aleksandrov } 110388d4bd18SNikolay Aleksandrov } 110488d4bd18SNikolay Aleksandrov 1105adc47037SNikolay Aleksandrov static inline bool 1106adc47037SNikolay Aleksandrov br_multicast_should_handle_mode(const struct net_bridge_mcast *brmctx, 11078266a049SNikolay Aleksandrov __be16 proto) 11088266a049SNikolay Aleksandrov { 11098266a049SNikolay Aleksandrov switch (proto) { 11108266a049SNikolay Aleksandrov case htons(ETH_P_IP): 1111adc47037SNikolay Aleksandrov return !!(brmctx->multicast_igmp_version == 3); 11128266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 11138266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 1114adc47037SNikolay Aleksandrov return !!(brmctx->multicast_mld_version == 2); 11158266a049SNikolay Aleksandrov #endif 11168266a049SNikolay Aleksandrov default: 11178266a049SNikolay Aleksandrov return false; 11188266a049SNikolay Aleksandrov } 11198266a049SNikolay Aleksandrov } 11208266a049SNikolay Aleksandrov 11211080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11221080ab95SNikolay Aleksandrov { 11231080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 11241080ab95SNikolay Aleksandrov } 112542c11ccfSNikolay Aleksandrov 1126adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge_mcast *brmctx) 112742c11ccfSNikolay Aleksandrov { 1128adc47037SNikolay Aleksandrov return brmctx->multicast_last_member_interval * 1129adc47037SNikolay Aleksandrov brmctx->multicast_last_member_count; 113042c11ccfSNikolay Aleksandrov } 11310436862eSNikolay Aleksandrov 1132adc47037SNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge_mcast *brmctx) 11330436862eSNikolay Aleksandrov { 1134fac3cb82SNikolay Aleksandrov return brmctx->multicast_membership_interval; 11350436862eSNikolay Aleksandrov } 11367b54aaafSNikolay Aleksandrov 11377b54aaafSNikolay Aleksandrov static inline bool 11387b54aaafSNikolay Aleksandrov br_multicast_ctx_is_vlan(const struct net_bridge_mcast *brmctx) 11397b54aaafSNikolay Aleksandrov { 11407b54aaafSNikolay Aleksandrov return !!brmctx->vlan; 11417b54aaafSNikolay Aleksandrov } 11427b54aaafSNikolay Aleksandrov 11437b54aaafSNikolay Aleksandrov static inline bool 11447b54aaafSNikolay Aleksandrov br_multicast_port_ctx_is_vlan(const struct net_bridge_mcast_port *pmctx) 11457b54aaafSNikolay Aleksandrov { 11467b54aaafSNikolay Aleksandrov return !!pmctx->vlan; 11477b54aaafSNikolay Aleksandrov } 11487b54aaafSNikolay Aleksandrov 11497b54aaafSNikolay Aleksandrov static inline struct net_bridge_mcast * 11507b54aaafSNikolay Aleksandrov br_multicast_port_ctx_get_global(const struct net_bridge_mcast_port *pmctx) 11517b54aaafSNikolay Aleksandrov { 11527b54aaafSNikolay Aleksandrov if (!br_multicast_port_ctx_is_vlan(pmctx)) 11537b54aaafSNikolay Aleksandrov return &pmctx->port->br->multicast_ctx; 11547b54aaafSNikolay Aleksandrov else 11557b54aaafSNikolay Aleksandrov return &pmctx->vlan->brvlan->br_mcast_ctx; 11567b54aaafSNikolay Aleksandrov } 11577b54aaafSNikolay Aleksandrov 11587b54aaafSNikolay Aleksandrov static inline bool 11597b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_global_disabled(const struct net_bridge_mcast *brmctx) 11607b54aaafSNikolay Aleksandrov { 1161168fed98SNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 1162168fed98SNikolay Aleksandrov (!br_opt_get(brmctx->br, BROPT_MCAST_VLAN_SNOOPING_ENABLED) || 1163168fed98SNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)); 11647b54aaafSNikolay Aleksandrov } 11657b54aaafSNikolay Aleksandrov 11667b54aaafSNikolay Aleksandrov static inline bool 11677b54aaafSNikolay Aleksandrov br_multicast_ctx_vlan_disabled(const struct net_bridge_mcast *brmctx) 11687b54aaafSNikolay Aleksandrov { 11697b54aaafSNikolay Aleksandrov return br_multicast_ctx_is_vlan(brmctx) && 11707b54aaafSNikolay Aleksandrov !(brmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11717b54aaafSNikolay Aleksandrov } 11727b54aaafSNikolay Aleksandrov 11737b54aaafSNikolay Aleksandrov static inline bool 11747b54aaafSNikolay Aleksandrov br_multicast_port_ctx_vlan_disabled(const struct net_bridge_mcast_port *pmctx) 11757b54aaafSNikolay Aleksandrov { 11767b54aaafSNikolay Aleksandrov return br_multicast_port_ctx_is_vlan(pmctx) && 11777b54aaafSNikolay Aleksandrov !(pmctx->vlan->priv_flags & BR_VLFLAG_MCAST_ENABLED); 11787b54aaafSNikolay Aleksandrov } 11794cdd0d10SNikolay Aleksandrov 11804cdd0d10SNikolay Aleksandrov static inline bool 11814cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_disabled(const struct net_bridge_mcast_port *pmctx) 11824cdd0d10SNikolay Aleksandrov { 11834cdd0d10SNikolay Aleksandrov return pmctx->port->state == BR_STATE_DISABLED || 11844cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11854cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_vlan_disabled(pmctx) || 11864cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_DISABLED)); 11874cdd0d10SNikolay Aleksandrov } 11884cdd0d10SNikolay Aleksandrov 11894cdd0d10SNikolay Aleksandrov static inline bool 11904cdd0d10SNikolay Aleksandrov br_multicast_port_ctx_state_stopped(const struct net_bridge_mcast_port *pmctx) 11914cdd0d10SNikolay Aleksandrov { 11924cdd0d10SNikolay Aleksandrov return br_multicast_port_ctx_state_disabled(pmctx) || 11934cdd0d10SNikolay Aleksandrov pmctx->port->state == BR_STATE_BLOCKING || 11944cdd0d10SNikolay Aleksandrov (br_multicast_port_ctx_is_vlan(pmctx) && 11954cdd0d10SNikolay Aleksandrov pmctx->vlan->state == BR_STATE_BLOCKING); 11964cdd0d10SNikolay Aleksandrov } 1197df271cd6SNikolay Aleksandrov 1198df271cd6SNikolay Aleksandrov static inline bool 1199dc002875SNikolay Aleksandrov br_rports_have_mc_router(const struct net_bridge_mcast *brmctx) 1200dc002875SNikolay Aleksandrov { 1201dc002875SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1202dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list) || 1203dc002875SNikolay Aleksandrov !hlist_empty(&brmctx->ip6_mc_router_list); 1204dc002875SNikolay Aleksandrov #else 1205dc002875SNikolay Aleksandrov return !hlist_empty(&brmctx->ip4_mc_router_list); 1206dc002875SNikolay Aleksandrov #endif 1207dc002875SNikolay Aleksandrov } 1208dc002875SNikolay Aleksandrov 1209dc002875SNikolay Aleksandrov static inline bool 1210df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1211df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1212df271cd6SNikolay Aleksandrov { 1213df271cd6SNikolay Aleksandrov return brmctx1->multicast_igmp_version == 1214df271cd6SNikolay Aleksandrov brmctx2->multicast_igmp_version && 1215931ba87dSNikolay Aleksandrov brmctx1->multicast_last_member_count == 1216931ba87dSNikolay Aleksandrov brmctx2->multicast_last_member_count && 121750725f6eSNikolay Aleksandrov brmctx1->multicast_startup_query_count == 121850725f6eSNikolay Aleksandrov brmctx2->multicast_startup_query_count && 121977f6ababSNikolay Aleksandrov brmctx1->multicast_last_member_interval == 122077f6ababSNikolay Aleksandrov brmctx2->multicast_last_member_interval && 12212da0aea2SNikolay Aleksandrov brmctx1->multicast_membership_interval == 12222da0aea2SNikolay Aleksandrov brmctx2->multicast_membership_interval && 1223cd9269d4SNikolay Aleksandrov brmctx1->multicast_querier_interval == 1224cd9269d4SNikolay Aleksandrov brmctx2->multicast_querier_interval && 1225d6c08abaSNikolay Aleksandrov brmctx1->multicast_query_interval == 1226d6c08abaSNikolay Aleksandrov brmctx2->multicast_query_interval && 122742521450SNikolay Aleksandrov brmctx1->multicast_query_response_interval == 122842521450SNikolay Aleksandrov brmctx2->multicast_query_response_interval && 1229941121eeSNikolay Aleksandrov brmctx1->multicast_startup_query_interval == 1230941121eeSNikolay Aleksandrov brmctx2->multicast_startup_query_interval && 123162938182SNikolay Aleksandrov brmctx1->multicast_querier == brmctx2->multicast_querier && 1232a97df080SNikolay Aleksandrov brmctx1->multicast_router == brmctx2->multicast_router && 1233dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx1) && 1234dc002875SNikolay Aleksandrov !br_rports_have_mc_router(brmctx2) && 1235df271cd6SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 1236df271cd6SNikolay Aleksandrov brmctx1->multicast_mld_version == 1237df271cd6SNikolay Aleksandrov brmctx2->multicast_mld_version && 1238df271cd6SNikolay Aleksandrov #endif 1239df271cd6SNikolay Aleksandrov true; 1240df271cd6SNikolay Aleksandrov } 1241cb486ce9SNikolay Aleksandrov 1242cb486ce9SNikolay Aleksandrov static inline bool 1243cb486ce9SNikolay Aleksandrov br_multicast_ctx_matches_vlan_snooping(const struct net_bridge_mcast *brmctx) 1244cb486ce9SNikolay Aleksandrov { 1245cb486ce9SNikolay Aleksandrov bool vlan_snooping_enabled; 1246cb486ce9SNikolay Aleksandrov 1247cb486ce9SNikolay Aleksandrov vlan_snooping_enabled = !!br_opt_get(brmctx->br, 1248cb486ce9SNikolay Aleksandrov BROPT_MCAST_VLAN_SNOOPING_ENABLED); 1249cb486ce9SNikolay Aleksandrov 1250cb486ce9SNikolay Aleksandrov return !!(vlan_snooping_enabled == br_multicast_ctx_is_vlan(brmctx)); 1251cb486ce9SNikolay Aleksandrov } 1252eb1d1641SHerbert Xu #else 1253f4b7002aSNikolay Aleksandrov static inline int br_multicast_rcv(struct net_bridge_mcast **brmctx, 1254f4b7002aSNikolay Aleksandrov struct net_bridge_mcast_port **pmctx, 1255f4b7002aSNikolay Aleksandrov struct net_bridge_vlan *vlan, 125606499098SVlad Yasevich struct sk_buff *skb, 125706499098SVlad Yasevich u16 vid) 1258eb1d1641SHerbert Xu { 1259eb1d1641SHerbert Xu return 0; 1260eb1d1641SHerbert Xu } 1261eb1d1641SHerbert Xu 1262adc47037SNikolay Aleksandrov static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge_mcast *brmctx, 1263fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1264eb1d1641SHerbert Xu { 1265eb1d1641SHerbert Xu return NULL; 1266eb1d1641SHerbert Xu } 1267eb1d1641SHerbert Xu 12681080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1269eb1d1641SHerbert Xu { 12701080ab95SNikolay Aleksandrov return 0; 1271eb1d1641SHerbert Xu } 1272eb1d1641SHerbert Xu 1273eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1274eb1d1641SHerbert Xu { 1275eb1d1641SHerbert Xu } 1276eb1d1641SHerbert Xu 1277eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1278eb1d1641SHerbert Xu { 1279eb1d1641SHerbert Xu } 1280eb1d1641SHerbert Xu 1281eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1282eb1d1641SHerbert Xu { 1283eb1d1641SHerbert Xu } 1284eb1d1641SHerbert Xu 1285eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1286eb1d1641SHerbert Xu { 1287eb1d1641SHerbert Xu } 1288eb1d1641SHerbert Xu 1289851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1290851d0a73SJoseph Huang { 1291851d0a73SJoseph Huang } 1292851d0a73SJoseph Huang 1293851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1294851d0a73SJoseph Huang { 1295851d0a73SJoseph Huang } 1296851d0a73SJoseph Huang 1297eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1298eb1d1641SHerbert Xu { 1299eb1d1641SHerbert Xu } 1300eb1d1641SHerbert Xu 1301eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1302eb1d1641SHerbert Xu { 1303eb1d1641SHerbert Xu } 13045cb5e947SHerbert Xu 1305a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1306a7ce45a7SNikolay Aleksandrov { 1307a7ce45a7SNikolay Aleksandrov } 1308a7ce45a7SNikolay Aleksandrov 130937b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 131037b090e6SNikolay Aleksandrov struct sk_buff *skb, 1311adc47037SNikolay Aleksandrov struct net_bridge_mcast *brmctx, 131237b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 13135cb5e947SHerbert Xu { 13145cb5e947SHerbert Xu } 13155cb5e947SHerbert Xu 1316adc47037SNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge_mcast *brmctx, 1317bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1318eb1d1641SHerbert Xu { 131903aaa9e2SGustavo A. R. Silva return false; 1320eb1d1641SHerbert Xu } 132137b090e6SNikolay Aleksandrov 1322adc47037SNikolay Aleksandrov static inline bool br_multicast_querier_exists(struct net_bridge_mcast *brmctx, 1323c43fd36fSVladimir Oltean struct ethhdr *eth, 1324c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1325b00589afSLinus Lüssing { 1326b00589afSLinus Lüssing return false; 1327b00589afSLinus Lüssing } 132837b090e6SNikolay Aleksandrov 1329fdb184d1SRami Rosen static inline void br_mdb_init(void) 1330fdb184d1SRami Rosen { 1331fdb184d1SRami Rosen } 133237b090e6SNikolay Aleksandrov 1333fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1334fdb184d1SRami Rosen { 1335fdb184d1SRami Rosen } 13361080ab95SNikolay Aleksandrov 133719e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 133819e3a9c9SNikolay Aleksandrov { 133919e3a9c9SNikolay Aleksandrov return 0; 134019e3a9c9SNikolay Aleksandrov } 134119e3a9c9SNikolay Aleksandrov 134219e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 134319e3a9c9SNikolay Aleksandrov { 134419e3a9c9SNikolay Aleksandrov } 134519e3a9c9SNikolay Aleksandrov 13461080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 13471080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1348a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1349a65056ecSNikolay Aleksandrov u8 type, u8 dir) 13501080ab95SNikolay Aleksandrov { 13511080ab95SNikolay Aleksandrov } 13521080ab95SNikolay Aleksandrov 13531080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 13541080ab95SNikolay Aleksandrov { 13551080ab95SNikolay Aleksandrov return 0; 13561080ab95SNikolay Aleksandrov } 13571080ab95SNikolay Aleksandrov 1358b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1359b6fe0440SIdo Schimmel { 1360b6fe0440SIdo Schimmel } 1361b6fe0440SIdo Schimmel 13621080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 13631080ab95SNikolay Aleksandrov { 13641080ab95SNikolay Aleksandrov return 0; 13651080ab95SNikolay Aleksandrov } 1366613d61dbSNikolay Aleksandrov 1367613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_init(struct net_bridge *br, 1368613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1369613d61dbSNikolay Aleksandrov struct net_bridge_mcast *brmctx) 1370613d61dbSNikolay Aleksandrov { 1371613d61dbSNikolay Aleksandrov } 1372613d61dbSNikolay Aleksandrov 1373613d61dbSNikolay Aleksandrov static inline void br_multicast_ctx_deinit(struct net_bridge_mcast *brmctx) 1374613d61dbSNikolay Aleksandrov { 1375613d61dbSNikolay Aleksandrov } 1376613d61dbSNikolay Aleksandrov 1377613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_init(struct net_bridge_port *port, 1378613d61dbSNikolay Aleksandrov struct net_bridge_vlan *vlan, 1379613d61dbSNikolay Aleksandrov struct net_bridge_mcast_port *pmctx) 1380613d61dbSNikolay Aleksandrov { 1381613d61dbSNikolay Aleksandrov } 1382613d61dbSNikolay Aleksandrov 1383613d61dbSNikolay Aleksandrov static inline void br_multicast_port_ctx_deinit(struct net_bridge_mcast_port *pmctx) 1384613d61dbSNikolay Aleksandrov { 1385613d61dbSNikolay Aleksandrov } 13867b54aaafSNikolay Aleksandrov 13877b54aaafSNikolay Aleksandrov static inline void br_multicast_toggle_one_vlan(struct net_bridge_vlan *vlan, 13887b54aaafSNikolay Aleksandrov bool on) 13897b54aaafSNikolay Aleksandrov { 13907b54aaafSNikolay Aleksandrov } 1391f4b7002aSNikolay Aleksandrov 1392f4b7002aSNikolay Aleksandrov static inline int br_multicast_toggle_vlan_snooping(struct net_bridge *br, 1393f4b7002aSNikolay Aleksandrov bool on, 1394f4b7002aSNikolay Aleksandrov struct netlink_ext_ack *extack) 1395f4b7002aSNikolay Aleksandrov { 1396f4b7002aSNikolay Aleksandrov return -EOPNOTSUPP; 1397f4b7002aSNikolay Aleksandrov } 13989dee572cSNikolay Aleksandrov 13999dee572cSNikolay Aleksandrov static inline bool br_multicast_toggle_global_vlan(struct net_bridge_vlan *vlan, 14009dee572cSNikolay Aleksandrov bool on) 14019dee572cSNikolay Aleksandrov { 14029dee572cSNikolay Aleksandrov return false; 14039dee572cSNikolay Aleksandrov } 14044e51bf44SVladimir Oltean 1405df271cd6SNikolay Aleksandrov static inline bool 1406df271cd6SNikolay Aleksandrov br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, 1407df271cd6SNikolay Aleksandrov const struct net_bridge_mcast *brmctx2) 1408df271cd6SNikolay Aleksandrov { 1409df271cd6SNikolay Aleksandrov return true; 1410df271cd6SNikolay Aleksandrov } 141185b35269SSridhar Samudrala #endif 1412eb1d1641SHerbert Xu 1413243a2e63SVlad Yasevich /* br_vlan.c */ 1414243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 141577751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 141677751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1417f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1418f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan); 141977751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 142085f46c6bSVlad Yasevich const struct sk_buff *skb); 1421e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1422348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 142311538d03SRoopa Prabhu const struct net_bridge_port *port, 14242594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 142578851988SVlad Yasevich struct sk_buff *skb); 1426f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1427169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1428348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1429348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 14302594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1431204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 14329e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 14339e781401SVladimir Oltean struct netlink_ext_ack *extack); 1434dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1435dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 14369e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 14379e781401SVladimir Oltean struct netlink_ext_ack *extack); 14386dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 14399163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 14405be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 14419e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 14429e781401SVladimir Oltean struct netlink_ext_ack *extack); 1443169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1444169327d5SPetr Machata struct netlink_ext_ack *extack); 1445f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1446169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1447348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1448348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1449169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 14502594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1451a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1452281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 14539c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1454091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 14559c0ec2e7SMike Manning void *ptr); 14568dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 14578dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1458cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1459cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1460cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1461cf5bddb9SNikolay Aleksandrov int cmd); 1462a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1463a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1464a37b85c9SVlad Yasevich 1465bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1466bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1467bcf2766bSFelix Fietkau struct net_device_path *path); 1468bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1469bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1470bcf2766bSFelix Fietkau struct net_device_path *path); 1471bcf2766bSFelix Fietkau 14722594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1473a37b85c9SVlad Yasevich const struct net_bridge *br) 1474a37b85c9SVlad Yasevich { 1475907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1476a37b85c9SVlad Yasevich } 1477a37b85c9SVlad Yasevich 14782594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1479a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1480a37b85c9SVlad Yasevich { 1481907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1482907b1e6eSNikolay Aleksandrov } 1483907b1e6eSNikolay Aleksandrov 1484907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1485907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1486907b1e6eSNikolay Aleksandrov { 1487907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1488907b1e6eSNikolay Aleksandrov } 1489907b1e6eSNikolay Aleksandrov 1490907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1491907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1492907b1e6eSNikolay Aleksandrov { 1493907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1494a37b85c9SVlad Yasevich } 1495a37b85c9SVlad Yasevich 1496a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1497a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1498a37b85c9SVlad Yasevich */ 1499a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1500a37b85c9SVlad Yasevich { 1501a37b85c9SVlad Yasevich int err = 0; 1502a37b85c9SVlad Yasevich 15032594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 15045978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 15052594e906SNikolay Aleksandrov } else { 1506a37b85c9SVlad Yasevich *vid = 0; 1507a37b85c9SVlad Yasevich err = -EINVAL; 1508a37b85c9SVlad Yasevich } 1509a37b85c9SVlad Yasevich 1510a37b85c9SVlad Yasevich return err; 1511a37b85c9SVlad Yasevich } 151278851988SVlad Yasevich 151377751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 151478851988SVlad Yasevich { 151577751ee8SNikolay Aleksandrov if (!vg) 15165be5a2dfSVlad Yasevich return 0; 15175be5a2dfSVlad Yasevich 151878851988SVlad Yasevich smp_rmb(); 151977751ee8SNikolay Aleksandrov return vg->pvid; 152078851988SVlad Yasevich } 152178851988SVlad Yasevich 15228dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 15238dcea187SNikolay Aleksandrov { 15248dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 15258dcea187SNikolay Aleksandrov } 1526243a2e63SVlad Yasevich #else 152777751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 152877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 15292594e906SNikolay Aleksandrov struct sk_buff *skb, 1530f4b7002aSNikolay Aleksandrov u16 *vid, u8 *state, 1531f4b7002aSNikolay Aleksandrov struct net_bridge_vlan **vlan) 1532f4b7002aSNikolay Aleksandrov 15332594e906SNikolay Aleksandrov { 1534f4b7002aSNikolay Aleksandrov *vlan = NULL; 15352594e906SNikolay Aleksandrov return true; 15362594e906SNikolay Aleksandrov } 15372594e906SNikolay Aleksandrov 15382594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 153985f46c6bSVlad Yasevich const struct sk_buff *skb) 154085f46c6bSVlad Yasevich { 154185f46c6bSVlad Yasevich return true; 154285f46c6bSVlad Yasevich } 154385f46c6bSVlad Yasevich 1544e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1545e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1546e0d7968aSToshiaki Makita { 1547e0d7968aSToshiaki Makita return true; 1548e0d7968aSToshiaki Makita } 1549e0d7968aSToshiaki Makita 155078851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 155111538d03SRoopa Prabhu const struct net_bridge_port *port, 15522594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 155378851988SVlad Yasevich struct sk_buff *skb) 155478851988SVlad Yasevich { 155578851988SVlad Yasevich return skb; 155678851988SVlad Yasevich } 155778851988SVlad Yasevich 1558f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1559169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1560243a2e63SVlad Yasevich { 1561f418af63SNikolay Aleksandrov *changed = false; 1562243a2e63SVlad Yasevich return -EOPNOTSUPP; 1563243a2e63SVlad Yasevich } 1564243a2e63SVlad Yasevich 1565243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1566243a2e63SVlad Yasevich { 1567243a2e63SVlad Yasevich return -EOPNOTSUPP; 1568243a2e63SVlad Yasevich } 1569243a2e63SVlad Yasevich 1570243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1571243a2e63SVlad Yasevich { 1572243a2e63SVlad Yasevich } 1573243a2e63SVlad Yasevich 1574204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1575204177f3SToshiaki Makita { 1576204177f3SToshiaki Makita } 1577204177f3SToshiaki Makita 15785be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 15798580e211SToshiaki Makita { 15805be5a2dfSVlad Yasevich return 0; 15818580e211SToshiaki Makita } 15828580e211SToshiaki Makita 1583f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1584169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1585243a2e63SVlad Yasevich { 1586f418af63SNikolay Aleksandrov *changed = false; 1587243a2e63SVlad Yasevich return -EOPNOTSUPP; 1588243a2e63SVlad Yasevich } 1589243a2e63SVlad Yasevich 1590243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1591243a2e63SVlad Yasevich { 1592243a2e63SVlad Yasevich return -EOPNOTSUPP; 1593243a2e63SVlad Yasevich } 1594243a2e63SVlad Yasevich 1595243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1596243a2e63SVlad Yasevich { 1597243a2e63SVlad Yasevich } 1598243a2e63SVlad Yasevich 15992594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 16002594e906SNikolay Aleksandrov u16 vid) 1601a37b85c9SVlad Yasevich { 1602a37b85c9SVlad Yasevich return NULL; 1603a37b85c9SVlad Yasevich } 1604bc9a25d2SVlad Yasevich 1605169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1606169327d5SPetr Machata struct netlink_ext_ack *extack) 16075be5a2dfSVlad Yasevich { 16085be5a2dfSVlad Yasevich return 0; 16095be5a2dfSVlad Yasevich } 16105be5a2dfSVlad Yasevich 161178851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1612a37b85c9SVlad Yasevich { 1613a37b85c9SVlad Yasevich return 0; 1614a37b85c9SVlad Yasevich } 16152594e906SNikolay Aleksandrov 161677751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 161778851988SVlad Yasevich { 16183df6bf45SVlad Yasevich return 0; 161978851988SVlad Yasevich } 16202796d0c6SVlad Yasevich 16217a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1622c97f47e3SVladimir Oltean unsigned long val, 1623c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1624a7854037SNikolay Aleksandrov { 1625a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1626a7854037SNikolay Aleksandrov } 16272594e906SNikolay Aleksandrov 16282594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 16292594e906SNikolay Aleksandrov u32 filter_mask) 16302594e906SNikolay Aleksandrov { 16312594e906SNikolay Aleksandrov return 0; 16322594e906SNikolay Aleksandrov } 16332594e906SNikolay Aleksandrov 1634bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1635bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1636bcf2766bSFelix Fietkau struct net_device_path *path) 1637bcf2766bSFelix Fietkau { 1638bcf2766bSFelix Fietkau } 1639bcf2766bSFelix Fietkau 1640bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1641bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1642bcf2766bSFelix Fietkau struct net_device_path *path) 1643bcf2766bSFelix Fietkau { 1644bcf2766bSFelix Fietkau return 0; 1645bcf2766bSFelix Fietkau } 1646bcf2766bSFelix Fietkau 16472594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 16482594e906SNikolay Aleksandrov const struct net_bridge *br) 16492594e906SNikolay Aleksandrov { 16502594e906SNikolay Aleksandrov return NULL; 16512594e906SNikolay Aleksandrov } 16522594e906SNikolay Aleksandrov 16532594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 16542594e906SNikolay Aleksandrov const struct net_bridge_port *p) 16552594e906SNikolay Aleksandrov { 16562594e906SNikolay Aleksandrov return NULL; 16572594e906SNikolay Aleksandrov } 1658907b1e6eSNikolay Aleksandrov 1659907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1660907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1661907b1e6eSNikolay Aleksandrov { 1662907b1e6eSNikolay Aleksandrov return NULL; 1663907b1e6eSNikolay Aleksandrov } 1664907b1e6eSNikolay Aleksandrov 1665907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1666907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1667907b1e6eSNikolay Aleksandrov { 1668907b1e6eSNikolay Aleksandrov return NULL; 1669907b1e6eSNikolay Aleksandrov } 1670a60c0903SNikolay Aleksandrov 1671a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1672281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1673a60c0903SNikolay Aleksandrov { 1674a60c0903SNikolay Aleksandrov } 16759c0ec2e7SMike Manning 16769c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 16779c0ec2e7SMike Manning unsigned long event) 16789c0ec2e7SMike Manning { 16799c0ec2e7SMike Manning } 16809c0ec2e7SMike Manning 1681091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 16829c0ec2e7SMike Manning unsigned long event, void *ptr) 16839c0ec2e7SMike Manning { 1684091adf9bSNikolay Aleksandrov return 0; 16859c0ec2e7SMike Manning } 16868dcea187SNikolay Aleksandrov 16878dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 16888dcea187SNikolay Aleksandrov { 16898dcea187SNikolay Aleksandrov } 16908dcea187SNikolay Aleksandrov 16918dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 16928dcea187SNikolay Aleksandrov { 16938dcea187SNikolay Aleksandrov } 1694cf5bddb9SNikolay Aleksandrov 1695cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1696cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1697cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1698cf5bddb9SNikolay Aleksandrov int cmd) 1699cf5bddb9SNikolay Aleksandrov { 1700cf5bddb9SNikolay Aleksandrov } 1701528ae84aSNikolay Aleksandrov 1702528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1703528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1704528ae84aSNikolay Aleksandrov { 1705528ae84aSNikolay Aleksandrov return true; 1706528ae84aSNikolay Aleksandrov } 17074e51bf44SVladimir Oltean 1708c5f6e5ebSVladimir Oltean static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 1709c5f6e5ebSVladimir Oltean { 1710c5f6e5ebSVladimir Oltean return 0; 1711c5f6e5ebSVladimir Oltean } 1712c5f6e5ebSVladimir Oltean 1713243a2e63SVlad Yasevich #endif 1714243a2e63SVlad Yasevich 17157a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 17167a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 171799f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 171899f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 17197a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 17207a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1721a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1722a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1723a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1724a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1725a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1726a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 172747ecd2dbSNikolay Aleksandrov int br_vlan_rtm_process_global_options(struct net_device *dev, 172847ecd2dbSNikolay Aleksandrov const struct nlattr *attr, 172947ecd2dbSNikolay Aleksandrov int cmd, 173047ecd2dbSNikolay Aleksandrov struct netlink_ext_ack *extack); 1731743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_can_enter_range(const struct net_bridge_vlan *v_curr, 1732743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *r_end); 1733743a53d9SNikolay Aleksandrov bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, 1734743a53d9SNikolay Aleksandrov const struct net_bridge_vlan *v_opts); 1735a580c76dSNikolay Aleksandrov 1736a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1737a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1738a580c76dSNikolay Aleksandrov { 1739a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1740a580c76dSNikolay Aleksandrov } 1741a580c76dSNikolay Aleksandrov 1742a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1743a580c76dSNikolay Aleksandrov { 1744a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1745a580c76dSNikolay Aleksandrov } 1746a580c76dSNikolay Aleksandrov 1747a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1748a580c76dSNikolay Aleksandrov { 1749a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1750a580c76dSNikolay Aleksandrov } 1751a580c76dSNikolay Aleksandrov 1752a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1753a580c76dSNikolay Aleksandrov u8 state) 1754a580c76dSNikolay Aleksandrov { 1755a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1756a580c76dSNikolay Aleksandrov } 1757a580c76dSNikolay Aleksandrov 1758a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1759a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1760a580c76dSNikolay Aleksandrov { 1761a580c76dSNikolay Aleksandrov switch (state) { 1762a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1763a580c76dSNikolay Aleksandrov return learn_allow; 1764a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1765a580c76dSNikolay Aleksandrov return true; 1766a580c76dSNikolay Aleksandrov default: 1767a580c76dSNikolay Aleksandrov return false; 1768a580c76dSNikolay Aleksandrov } 1769a580c76dSNikolay Aleksandrov } 17707a53e718SNikolay Aleksandrov #endif 17717a53e718SNikolay Aleksandrov 1772ec7328b5STobias Waldekranz /* br_mst.c */ 1773ec7328b5STobias Waldekranz #ifdef CONFIG_BRIDGE_VLAN_FILTERING 1774ec7328b5STobias Waldekranz DECLARE_STATIC_KEY_FALSE(br_mst_used); 1775ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1776ec7328b5STobias Waldekranz { 1777ec7328b5STobias Waldekranz return static_branch_unlikely(&br_mst_used) && 1778ec7328b5STobias Waldekranz br_opt_get(br, BROPT_MST_ENABLED); 1779ec7328b5STobias Waldekranz } 1780ec7328b5STobias Waldekranz 1781ec7328b5STobias Waldekranz int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, 1782ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1783*8c678d60STobias Waldekranz int br_mst_vlan_set_msti(struct net_bridge_vlan *v, u16 msti); 1784ec7328b5STobias Waldekranz void br_mst_vlan_init_state(struct net_bridge_vlan *v); 1785ec7328b5STobias Waldekranz int br_mst_set_enabled(struct net_bridge *br, bool on, 1786ec7328b5STobias Waldekranz struct netlink_ext_ack *extack); 1787ec7328b5STobias Waldekranz #else 1788ec7328b5STobias Waldekranz static inline bool br_mst_is_enabled(struct net_bridge *br) 1789ec7328b5STobias Waldekranz { 1790ec7328b5STobias Waldekranz return false; 1791ec7328b5STobias Waldekranz } 1792ec7328b5STobias Waldekranz 1793ec7328b5STobias Waldekranz static inline int br_mst_set_state(struct net_bridge_port *p, u16 msti, 1794ec7328b5STobias Waldekranz u8 state, struct netlink_ext_ack *extack) 1795ec7328b5STobias Waldekranz { 1796ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1797ec7328b5STobias Waldekranz } 1798ec7328b5STobias Waldekranz 1799ec7328b5STobias Waldekranz static inline int br_mst_set_enabled(struct net_bridge *br, bool on, 1800ec7328b5STobias Waldekranz struct netlink_ext_ack *extack) 1801ec7328b5STobias Waldekranz { 1802ec7328b5STobias Waldekranz return -EOPNOTSUPP; 1803ec7328b5STobias Waldekranz } 1804ec7328b5STobias Waldekranz #endif 1805ec7328b5STobias Waldekranz 18061a4ba64dSPablo Neira Ayuso struct nf_br_ops { 18071a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 18081a4ba64dSPablo Neira Ayuso }; 18091a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 18101a4ba64dSPablo Neira Ayuso 18111da177e4SLinus Torvalds /* br_netfilter.c */ 181234666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 181334666d46SPablo Neira Ayuso int br_nf_core_init(void); 181434666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1815348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1816c0909713SStephen Hemminger #else 181734666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 181834666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 18194adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1820c0909713SStephen Hemminger #endif 18211da177e4SLinus Torvalds 18221da177e4SLinus Torvalds /* br_stp.c */ 1823775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1824348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1825348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1826348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 18271da177e4SLinus Torvalds 1828348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1829348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1830348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1831348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 183282dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 18339e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 183414f98f25Sstephen hemminger 183514f98f25Sstephen hemminger 18361da177e4SLinus Torvalds /* br_stp_if.c */ 1837348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1838348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1839419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1840419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1841348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1842348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1843348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1844348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1845348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1846348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1847348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1848348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 18491da177e4SLinus Torvalds 18501da177e4SLinus Torvalds /* br_stp_bpdu.c */ 18517c85fbf0SPatrick McHardy struct stp_proto; 1852348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 18537c85fbf0SPatrick McHardy struct net_device *dev); 18541da177e4SLinus Torvalds 18551da177e4SLinus Torvalds /* br_stp_timer.c */ 1856348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1857348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1858348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 18591da177e4SLinus Torvalds 18601da177e4SLinus Torvalds /* br.c */ 1861e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1862da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1863da678292SMichał Mirosław #endif 18641da177e4SLinus Torvalds 186565369933SHoratiu Vultur /* br_mrp.c */ 186665369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 186765369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 186865369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 186965369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 187065369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1871df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 187265369933SHoratiu Vultur #else 187365369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 187465369933SHoratiu Vultur struct nlattr *attr, int cmd, 187565369933SHoratiu Vultur struct netlink_ext_ack *extack) 187665369933SHoratiu Vultur { 187765369933SHoratiu Vultur return -EOPNOTSUPP; 187865369933SHoratiu Vultur } 187965369933SHoratiu Vultur 188065369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 188165369933SHoratiu Vultur { 18828741e184SJason Yan return false; 188365369933SHoratiu Vultur } 188465369933SHoratiu Vultur 188565369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 188665369933SHoratiu Vultur struct net_bridge_port *p) 188765369933SHoratiu Vultur { 188865369933SHoratiu Vultur } 1889df42ef22SHoratiu Vultur 1890df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1891df42ef22SHoratiu Vultur { 1892df42ef22SHoratiu Vultur return 0; 1893df42ef22SHoratiu Vultur } 1894df42ef22SHoratiu Vultur 189565369933SHoratiu Vultur #endif 189665369933SHoratiu Vultur 18972be665c3SHenrik Bjoernlund /* br_cfm.c */ 189886a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 18992be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19002be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 19012be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 190286a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 19035e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1904b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1905b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1906b6d0425bSHenrik Bjoernlund bool getlink); 1907b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1908b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 190986a14b79SHenrik Bjoernlund #else 19102be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 19112be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 19122be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 19132be665c3SHenrik Bjoernlund { 19142be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 19152be665c3SHenrik Bjoernlund } 19162be665c3SHenrik Bjoernlund 19172be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 19182be665c3SHenrik Bjoernlund { 19192be665c3SHenrik Bjoernlund return false; 19202be665c3SHenrik Bjoernlund } 19212be665c3SHenrik Bjoernlund 192286a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 192386a14b79SHenrik Bjoernlund struct net_bridge_port *p) 192486a14b79SHenrik Bjoernlund { 192586a14b79SHenrik Bjoernlund } 19265e312fc0SHenrik Bjoernlund 19275e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 19285e312fc0SHenrik Bjoernlund { 19295e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 19305e312fc0SHenrik Bjoernlund } 1931e77824d8SHenrik Bjoernlund 1932b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1933b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1934b6d0425bSHenrik Bjoernlund bool getlink) 1935b6d0425bSHenrik Bjoernlund { 1936b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1937b6d0425bSHenrik Bjoernlund } 1938b6d0425bSHenrik Bjoernlund 1939b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1940b6d0425bSHenrik Bjoernlund { 1941829e050eSIvan Vecera *count = 0; 1942b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1943b6d0425bSHenrik Bjoernlund } 1944b6d0425bSHenrik Bjoernlund 1945b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1946e77824d8SHenrik Bjoernlund { 1947829e050eSIvan Vecera *count = 0; 1948e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1949e77824d8SHenrik Bjoernlund } 195086a14b79SHenrik Bjoernlund #endif 195186a14b79SHenrik Bjoernlund 195211dc1f36SStephen Hemminger /* br_netlink.c */ 1953149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1954348662a1SJoe Perches int br_netlink_init(void); 1955348662a1SJoe Perches void br_netlink_fini(void); 195692899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 195792899063SNikolay Aleksandrov const struct net_bridge_port *port); 1958b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1959b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 19602fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 19612fd527b7SPetr Machata struct netlink_ext_ack *extack); 1962add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1963348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 196446c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1965f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1966f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1967f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1968f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1969f26b2965SNikolay Aleksandrov bool *changed, 1970f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 197111dc1f36SStephen Hemminger 19721da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 19731da177e4SLinus Torvalds /* br_sysfs_if.c */ 197452cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1975348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1976348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvalds /* br_sysfs_br.c */ 1979348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1980348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 19811da177e4SLinus Torvalds 19821da177e4SLinus Torvalds #else 19831da177e4SLinus Torvalds 19840cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 19850cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 19860cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 19870cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 19881da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 19891da177e4SLinus Torvalds 19906bc506b4SIdo Schimmel /* br_switchdev.c */ 19916bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 1992957e2235SVladimir Oltean int br_switchdev_port_offload(struct net_bridge_port *p, 1993957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 1994957e2235SVladimir Oltean struct notifier_block *atomic_nb, 1995957e2235SVladimir Oltean struct notifier_block *blocking_nb, 1996957e2235SVladimir Oltean bool tx_fwd_offload, 1997957e2235SVladimir Oltean struct netlink_ext_ack *extack); 1998957e2235SVladimir Oltean 1999957e2235SVladimir Oltean void br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2000957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2001957e2235SVladimir Oltean struct notifier_block *blocking_nb); 2002957e2235SVladimir Oltean 200347211192STobias Waldekranz bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb); 200447211192STobias Waldekranz 2005c5381154SVladimir Oltean void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb); 2006c5381154SVladimir Oltean 200747211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 200847211192STobias Waldekranz struct sk_buff *skb); 200947211192STobias Waldekranz void nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 201047211192STobias Waldekranz struct sk_buff *skb); 20116bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20126bc506b4SIdo Schimmel struct sk_buff *skb); 20136bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20146bc506b4SIdo Schimmel const struct sk_buff *skb); 20153922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 20163922285dSArkadi Sharshevsky unsigned long flags, 2017078bbb85SVladimir Oltean unsigned long mask, 2018078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 20196eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 20206eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 2021ae039350SVladimir Oltean void br_switchdev_mdb_notify(struct net_device *dev, 2022ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2023ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2024ae039350SVladimir Oltean int type); 2025169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 20268d23a54fSVladimir Oltean bool changed, struct netlink_ext_ack *extack); 2027d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 202885826610STobias Waldekranz void br_switchdev_init(struct net_bridge *br); 2029f1c2eddfSIdo Schimmel 2030f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2031f1c2eddfSIdo Schimmel { 2032f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 2033f1c2eddfSIdo Schimmel } 20346bc506b4SIdo Schimmel #else 2035957e2235SVladimir Oltean static inline int 2036957e2235SVladimir Oltean br_switchdev_port_offload(struct net_bridge_port *p, 2037957e2235SVladimir Oltean struct net_device *dev, const void *ctx, 2038957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2039957e2235SVladimir Oltean struct notifier_block *blocking_nb, 2040957e2235SVladimir Oltean bool tx_fwd_offload, 2041957e2235SVladimir Oltean struct netlink_ext_ack *extack) 2042957e2235SVladimir Oltean { 2043957e2235SVladimir Oltean return -EOPNOTSUPP; 2044957e2235SVladimir Oltean } 2045957e2235SVladimir Oltean 2046957e2235SVladimir Oltean static inline void 2047957e2235SVladimir Oltean br_switchdev_port_unoffload(struct net_bridge_port *p, const void *ctx, 2048957e2235SVladimir Oltean struct notifier_block *atomic_nb, 2049957e2235SVladimir Oltean struct notifier_block *blocking_nb) 2050957e2235SVladimir Oltean { 2051957e2235SVladimir Oltean } 2052957e2235SVladimir Oltean 205347211192STobias Waldekranz static inline bool br_switchdev_frame_uses_tx_fwd_offload(struct sk_buff *skb) 205447211192STobias Waldekranz { 205547211192STobias Waldekranz return false; 205647211192STobias Waldekranz } 205747211192STobias Waldekranz 2058c5381154SVladimir Oltean static inline void br_switchdev_frame_set_offload_fwd_mark(struct sk_buff *skb) 2059c5381154SVladimir Oltean { 2060c5381154SVladimir Oltean } 2061c5381154SVladimir Oltean 206247211192STobias Waldekranz static inline void 206347211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_offload(const struct net_bridge_port *p, 206447211192STobias Waldekranz struct sk_buff *skb) 206547211192STobias Waldekranz { 206647211192STobias Waldekranz } 206747211192STobias Waldekranz 206847211192STobias Waldekranz static inline void 206947211192STobias Waldekranz nbp_switchdev_frame_mark_tx_fwd_to_hwdom(const struct net_bridge_port *p, 207047211192STobias Waldekranz struct sk_buff *skb) 207147211192STobias Waldekranz { 207247211192STobias Waldekranz } 207347211192STobias Waldekranz 20746bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 20756bc506b4SIdo Schimmel struct sk_buff *skb) 20766bc506b4SIdo Schimmel { 20776bc506b4SIdo Schimmel } 20786bc506b4SIdo Schimmel 20796bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 20806bc506b4SIdo Schimmel const struct sk_buff *skb) 20816bc506b4SIdo Schimmel { 20826bc506b4SIdo Schimmel return true; 20836bc506b4SIdo Schimmel } 20843922285dSArkadi Sharshevsky 20853922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 20863922285dSArkadi Sharshevsky unsigned long flags, 2087078bbb85SVladimir Oltean unsigned long mask, 2088078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 20893922285dSArkadi Sharshevsky { 20903922285dSArkadi Sharshevsky return 0; 20913922285dSArkadi Sharshevsky } 20926b26b51bSArkadi Sharshevsky 20938d23a54fSVladimir Oltean static inline int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, 20948d23a54fSVladimir Oltean u16 flags, bool changed, 2095169327d5SPetr Machata struct netlink_ext_ack *extack) 2096d66e4348SPetr Machata { 2097d66e4348SPetr Machata return -EOPNOTSUPP; 2098d66e4348SPetr Machata } 2099d66e4348SPetr Machata 2100d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 2101d66e4348SPetr Machata { 2102d66e4348SPetr Machata return -EOPNOTSUPP; 2103d66e4348SPetr Machata } 2104d66e4348SPetr Machata 21056b26b51bSArkadi Sharshevsky static inline void 21066eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 21076eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 21086b26b51bSArkadi Sharshevsky { 21096b26b51bSArkadi Sharshevsky } 2110f1c2eddfSIdo Schimmel 2111ae039350SVladimir Oltean static inline void br_switchdev_mdb_notify(struct net_device *dev, 2112ae039350SVladimir Oltean struct net_bridge_mdb_entry *mp, 2113ae039350SVladimir Oltean struct net_bridge_port_group *pg, 2114ae039350SVladimir Oltean int type) 2115ae039350SVladimir Oltean { 2116ae039350SVladimir Oltean } 2117ae039350SVladimir Oltean 2118f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 2119f1c2eddfSIdo Schimmel { 2120f1c2eddfSIdo Schimmel } 212185826610STobias Waldekranz 212285826610STobias Waldekranz static inline void br_switchdev_init(struct net_bridge *br) 212385826610STobias Waldekranz { 212485826610STobias Waldekranz } 212585826610STobias Waldekranz 21266bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 21276bc506b4SIdo Schimmel 2128057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 2129821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 2130057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 2131057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 2132ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 2133ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 2134ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 21351da177e4SLinus Torvalds #endif 2136