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 31d08c6bc0SNikolay Aleksandrov 329cde0708SStephen Hemminger #define BR_VERSION "2.3" 339cde0708SStephen Hemminger 34515853ccSstephen hemminger /* Control of forwarding link local multicast */ 35515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 36784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 375af48b59SNikolay Aleksandrov enum { 385af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 395af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 405af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 415af48b59SNikolay Aleksandrov }; 425af48b59SNikolay Aleksandrov 435af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 45f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 46f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 47515853ccSstephen hemminger 489cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 499cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 508cbb512eSStephen Hemminger 5131cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5231cbc39bSNikolay Aleksandrov 531da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 541da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 551da177e4SLinus Torvalds typedef __u16 port_id; 561da177e4SLinus Torvalds 571c1cb6d0SNikolay Aleksandrov struct bridge_id { 581da177e4SLinus Torvalds unsigned char prio[2]; 59e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 601da177e4SLinus Torvalds }; 611da177e4SLinus Torvalds 621c1cb6d0SNikolay Aleksandrov struct mac_addr { 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 66cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 67cc0fdd80SLinus Lüssing /* our own querier */ 6890010b36SLinus Lüssing struct bridge_mcast_own_query { 69cc0fdd80SLinus Lüssing struct timer_list timer; 70cc0fdd80SLinus Lüssing u32 startup_sent; 71cc0fdd80SLinus Lüssing }; 72cc0fdd80SLinus Lüssing 73cc0fdd80SLinus Lüssing /* other querier */ 7490010b36SLinus Lüssing struct bridge_mcast_other_query { 75cc0fdd80SLinus Lüssing struct timer_list timer; 76cc0fdd80SLinus Lüssing unsigned long delay_time; 77cc0fdd80SLinus Lüssing }; 78dc4eb53aSLinus Lüssing 79dc4eb53aSLinus Lüssing /* selected querier */ 80dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 81dc4eb53aSLinus Lüssing struct br_ip addr; 822cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 83dc4eb53aSLinus Lüssing }; 841080ab95SNikolay Aleksandrov 851080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 861080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 871080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 881080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 891080ab95SNikolay Aleksandrov }; 90cc0fdd80SLinus Lüssing #endif 91cc0fdd80SLinus Lüssing 926dada9b1SNikolay Aleksandrov struct br_vlan_stats { 936dada9b1SNikolay Aleksandrov u64 rx_bytes; 946dada9b1SNikolay Aleksandrov u64 rx_packets; 956dada9b1SNikolay Aleksandrov u64 tx_bytes; 966dada9b1SNikolay Aleksandrov u64 tx_packets; 976dada9b1SNikolay Aleksandrov struct u64_stats_sync syncp; 986dada9b1SNikolay Aleksandrov }; 996dada9b1SNikolay Aleksandrov 100efa5356bSRoopa Prabhu struct br_tunnel_info { 101efa5356bSRoopa Prabhu __be64 tunnel_id; 102efa5356bSRoopa Prabhu struct metadata_dst *tunnel_dst; 103efa5356bSRoopa Prabhu }; 104efa5356bSRoopa Prabhu 1059d332e69SNikolay Aleksandrov /* private vlan flags */ 1069d332e69SNikolay Aleksandrov enum { 1079d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 10827973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1099d332e69SNikolay Aleksandrov }; 1109d332e69SNikolay Aleksandrov 1112594e906SNikolay Aleksandrov /** 1122594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1132594e906SNikolay Aleksandrov * 1142594e906SNikolay Aleksandrov * @vnode: rhashtable member 1152594e906SNikolay Aleksandrov * @vid: VLAN id 1162594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1179d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 118a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1196dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1202594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1212594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1222594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1232594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1242594e906SNikolay Aleksandrov * for this VLAN entry 1252594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1262594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1272594e906SNikolay Aleksandrov * 1282594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1292594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1302594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1312594e906SNikolay Aleksandrov * the entry flags that are set. 1322594e906SNikolay Aleksandrov */ 1332594e906SNikolay Aleksandrov struct net_bridge_vlan { 1342594e906SNikolay Aleksandrov struct rhash_head vnode; 135efa5356bSRoopa Prabhu struct rhash_head tnode; 1362594e906SNikolay Aleksandrov u16 vid; 1372594e906SNikolay Aleksandrov u16 flags; 1389d332e69SNikolay Aleksandrov u16 priv_flags; 139a580c76dSNikolay Aleksandrov u8 state; 1406dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 141243a2e63SVlad Yasevich union { 142243a2e63SVlad Yasevich struct net_bridge *br; 1432594e906SNikolay Aleksandrov struct net_bridge_port *port; 1442594e906SNikolay Aleksandrov }; 1452594e906SNikolay Aleksandrov union { 14625127759SReshetova, Elena refcount_t refcnt; 1472594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1482594e906SNikolay Aleksandrov }; 149efa5356bSRoopa Prabhu 150efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 151efa5356bSRoopa Prabhu 1522594e906SNikolay Aleksandrov struct list_head vlist; 1532594e906SNikolay Aleksandrov 154243a2e63SVlad Yasevich struct rcu_head rcu; 1552594e906SNikolay Aleksandrov }; 1562594e906SNikolay Aleksandrov 1572594e906SNikolay Aleksandrov /** 1582594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1592594e906SNikolay Aleksandrov * 1602594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1612594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1622594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 16377751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 164a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 1652594e906SNikolay Aleksandrov * 1662594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1672594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1682594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1692594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1702594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1712594e906SNikolay Aleksandrov */ 1722594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1732594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 174efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 1752594e906SNikolay Aleksandrov struct list_head vlan_list; 1766cbdceebSVlad Yasevich u16 num_vlans; 17777751ee8SNikolay Aleksandrov u16 pvid; 178a580c76dSNikolay Aleksandrov u8 pvid_state; 179243a2e63SVlad Yasevich }; 180243a2e63SVlad Yasevich 1816869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 1826869c3b0SNikolay Aleksandrov enum { 1836869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 18429e63fffSNikolay Aleksandrov BR_FDB_STATIC, 185e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 186ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 187b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 188d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 18931cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 19031cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 1916869c3b0SNikolay Aleksandrov }; 1926869c3b0SNikolay Aleksandrov 193eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 194eb793583SNikolay Aleksandrov mac_addr addr; 195eb793583SNikolay Aleksandrov u16 vlan_id; 196eb793583SNikolay Aleksandrov }; 197eb793583SNikolay Aleksandrov 1981214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 199eb793583SNikolay Aleksandrov struct rhash_head rhnode; 2001da177e4SLinus Torvalds struct net_bridge_port *dst; 2011da177e4SLinus Torvalds 202eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 203eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2046869c3b0SNikolay Aleksandrov unsigned long flags; 2051214628cSNikolay Aleksandrov 2061214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2071214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2081214628cSNikolay Aleksandrov unsigned long used; 2091214628cSNikolay Aleksandrov 210b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2111da177e4SLinus Torvalds }; 2121da177e4SLinus Torvalds 2139d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2149d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2153247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2169d06b6d8SElad Raz 2178b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2188b671779SNikolay Aleksandrov 2198b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2208b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 2218b671779SNikolay Aleksandrov 2228b671779SNikolay Aleksandrov struct net_bridge_group_src { 2238b671779SNikolay Aleksandrov struct hlist_node node; 2248b671779SNikolay Aleksandrov 2258b671779SNikolay Aleksandrov struct br_ip addr; 2268b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2278b671779SNikolay Aleksandrov u8 flags; 228438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2298b671779SNikolay Aleksandrov struct timer_list timer; 2308b671779SNikolay Aleksandrov 2318b671779SNikolay Aleksandrov struct net_bridge *br; 2328b671779SNikolay Aleksandrov struct hlist_node del_node; 2338b671779SNikolay Aleksandrov struct rcu_head rcu; 2348b671779SNikolay Aleksandrov }; 2358b671779SNikolay Aleksandrov 236eb1d1641SHerbert Xu struct net_bridge_port_group { 237eb1d1641SHerbert Xu struct net_bridge_port *port; 238e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 2398ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 240206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 2419d06b6d8SElad Raz unsigned char flags; 2428b671779SNikolay Aleksandrov unsigned char filter_mode; 2436ec0d0eeSNikolay Aleksandrov 2448b671779SNikolay Aleksandrov struct hlist_head src_list; 2458b671779SNikolay Aleksandrov unsigned int src_ents; 2466ec0d0eeSNikolay Aleksandrov struct timer_list timer; 2476ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 2486ec0d0eeSNikolay Aleksandrov 2496ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 250eb1d1641SHerbert Xu }; 251eb1d1641SHerbert Xu 2521c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 25319e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 254eb1d1641SHerbert Xu struct net_bridge *br; 255e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 2568ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 257ff0fd34eSAndrew Lunn bool host_joined; 2586ec0d0eeSNikolay Aleksandrov 2596ec0d0eeSNikolay Aleksandrov struct timer_list timer; 26019e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 2616ec0d0eeSNikolay Aleksandrov 2626ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 263eb1d1641SHerbert Xu }; 264eb1d1641SHerbert Xu 2651f90c7f3SNikolay Aleksandrov struct net_bridge_port { 2661da177e4SLinus Torvalds struct net_bridge *br; 2671da177e4SLinus Torvalds struct net_device *dev; 2681da177e4SLinus Torvalds struct list_head list; 2691da177e4SLinus Torvalds 2701f90c7f3SNikolay Aleksandrov unsigned long flags; 2711f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 2721f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 2731f90c7f3SNikolay Aleksandrov #endif 2742756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 2751f90c7f3SNikolay Aleksandrov 2761da177e4SLinus Torvalds /* STP */ 2771da177e4SLinus Torvalds u8 priority; 2781da177e4SLinus Torvalds u8 state; 2791da177e4SLinus Torvalds u16 port_no; 2801da177e4SLinus Torvalds unsigned char topology_change_ack; 2811da177e4SLinus Torvalds unsigned char config_pending; 2821da177e4SLinus Torvalds port_id port_id; 2831da177e4SLinus Torvalds port_id designated_port; 2841da177e4SLinus Torvalds bridge_id designated_root; 2851da177e4SLinus Torvalds bridge_id designated_bridge; 2861da177e4SLinus Torvalds u32 path_cost; 2871da177e4SLinus Torvalds u32 designated_cost; 2880c03150eSstephen hemminger unsigned long designated_age; 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2911da177e4SLinus Torvalds struct timer_list hold_timer; 2921da177e4SLinus Torvalds struct timer_list message_age_timer; 2931da177e4SLinus Torvalds struct kobject kobj; 2941da177e4SLinus Torvalds struct rcu_head rcu; 2953982d3d2SFischer, Anna 296eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 29790010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 298cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 29990010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 300cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 301eb1d1641SHerbert Xu unsigned char multicast_router; 3021080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 303eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 304eb1d1641SHerbert Xu struct hlist_head mglist; 305eb1d1641SHerbert Xu struct hlist_node rlist; 306eb1d1641SHerbert Xu #endif 307e0f43752SSimon Arlott 308e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 309e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 310e0f43752SSimon Arlott #endif 31191d2c34aSHerbert Xu 31291d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 31391d2c34aSHerbert Xu struct netpoll *np; 31491d2c34aSHerbert Xu #endif 3156bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3166bc506b4SIdo Schimmel int offload_fwd_mark; 3176bc506b4SIdo Schimmel #endif 3185af48b59SNikolay Aleksandrov u16 group_fwd_mask; 3192756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 320de179966SVivien Didelot 321de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 3221da177e4SLinus Torvalds }; 3231da177e4SLinus Torvalds 324705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 325705e0deaSTyler Hicks 326e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 327f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 328e028e4b8SVlad Yasevich 329b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 330b5ed54e9Sstephen hemminger { 331716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 332b5ed54e9Sstephen hemminger } 333b5ed54e9Sstephen hemminger 3341fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 335b5ed54e9Sstephen hemminger { 33635f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 337ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 338b5ed54e9Sstephen hemminger } 339b5ed54e9Sstephen hemminger 3400baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 3410baa10ffSArkadi Sharshevsky { 34235f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 3430baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 3440baa10ffSArkadi Sharshevsky } 3450baa10ffSArkadi Sharshevsky 346ae75767eSNikolay Aleksandrov enum net_bridge_opts { 347ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 348ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 3498df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 3508df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 3518df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 352be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 35313cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 354675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 355675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 356675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 357675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 358c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 3593341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 3609163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 36170e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 3629c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 363ae75767eSNikolay Aleksandrov }; 364ae75767eSNikolay Aleksandrov 3651f90c7f3SNikolay Aleksandrov struct net_bridge { 3661da177e4SLinus Torvalds spinlock_t lock; 3671f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 3681da177e4SLinus Torvalds struct list_head port_list; 3691da177e4SLinus Torvalds struct net_device *dev; 3708f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 371ae75767eSNikolay Aleksandrov unsigned long options; 3721f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 3731f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3741f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 3751f90c7f3SNikolay Aleksandrov u16 default_pvid; 3761f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3771f90c7f3SNikolay Aleksandrov #endif 3781f90c7f3SNikolay Aleksandrov 379eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 38034666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 381efb6de9bSBernhard Thaler union { 3824adf0af6SSimon Wunderlich struct rtable fake_rtable; 383efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 384efb6de9bSBernhard Thaler }; 3854adf0af6SSimon Wunderlich #endif 386515853ccSstephen hemminger u16 group_fwd_mask; 387f2808d22SToshiaki Makita u16 group_fwd_mask_required; 388515853ccSstephen hemminger 3891da177e4SLinus Torvalds /* STP */ 3901da177e4SLinus Torvalds bridge_id designated_root; 3911da177e4SLinus Torvalds bridge_id bridge_id; 3921f90c7f3SNikolay Aleksandrov unsigned char topology_change; 3931f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 3941f90c7f3SNikolay Aleksandrov u16 root_port; 3951da177e4SLinus Torvalds unsigned long max_age; 3961da177e4SLinus Torvalds unsigned long hello_time; 3971da177e4SLinus Torvalds unsigned long forward_delay; 3981da177e4SLinus Torvalds unsigned long ageing_time; 39934d8acd8SVivien Didelot unsigned long bridge_max_age; 4001da177e4SLinus Torvalds unsigned long bridge_hello_time; 4011da177e4SLinus Torvalds unsigned long bridge_forward_delay; 40234d8acd8SVivien Didelot unsigned long bridge_ageing_time; 40335750b0bSNikolay Aleksandrov u32 root_path_cost; 4041da177e4SLinus Torvalds 405fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4069cde0708SStephen Hemminger 4079cde0708SStephen Hemminger enum { 4089cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4099cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4109cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4119cde0708SStephen Hemminger } stp_enabled; 4129cde0708SStephen Hemminger 413eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 414eb1d1641SHerbert Xu 415eb1d1641SHerbert Xu u32 hash_max; 416eb1d1641SHerbert Xu 417eb1d1641SHerbert Xu u32 multicast_last_member_count; 418eb1d1641SHerbert Xu u32 multicast_startup_query_count; 419eb1d1641SHerbert Xu 4205e923585SNikolay Aleksandrov u8 multicast_igmp_version; 421675779adSNikolay Aleksandrov u8 multicast_router; 422675779adSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 423675779adSNikolay Aleksandrov u8 multicast_mld_version; 424675779adSNikolay Aleksandrov #endif 42535750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 426eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 427eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 428eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 429eb1d1641SHerbert Xu unsigned long multicast_query_interval; 430eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 431eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 432eb1d1641SHerbert Xu 43319e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 43419e3a9c9SNikolay Aleksandrov 4358b671779SNikolay Aleksandrov struct hlist_head src_gc_list; 43619e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 437eb1d1641SHerbert Xu struct hlist_head router_list; 438eb1d1641SHerbert Xu 439eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 44090010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 44190010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 442dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 4431080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 444cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 44590010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 44690010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 447dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 448cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 4498b671779SNikolay Aleksandrov struct work_struct src_gc_work; 450eb1d1641SHerbert Xu #endif 451eb1d1641SHerbert Xu 4521da177e4SLinus Torvalds struct timer_list hello_timer; 4531da177e4SLinus Torvalds struct timer_list tcn_timer; 4541da177e4SLinus Torvalds struct timer_list topology_change_timer; 455f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 45643b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 457e028e4b8SVlad Yasevich u32 auto_cnt; 4586bc506b4SIdo Schimmel 4596bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4606bc506b4SIdo Schimmel int offload_fwd_mark; 4616bc506b4SIdo Schimmel #endif 462eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 4634b8d7d4cSHoratiu Vultur 4644b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 4659b14d1f8SHoratiu Vultur struct list_head mrp_list; 4664b8d7d4cSHoratiu Vultur #endif 4671da177e4SLinus Torvalds }; 4681da177e4SLinus Torvalds 46968b7c895SHerbert Xu struct br_input_skb_cb { 47068b7c895SHerbert Xu struct net_device *brdev; 47193fdd47eSHerbert Xu 4723c171f49SPablo Neira Ayuso u16 frag_max_size; 47332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 474f12064d1SFlorian Westphal u8 igmp; 475f12064d1SFlorian Westphal u8 mrouters_only:1; 47632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 477f12064d1SFlorian Westphal u8 proxyarp_replied:1; 478f12064d1SFlorian Westphal u8 src_port_isolated:1; 47920adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 480f12064d1SFlorian Westphal u8 vlan_filtered:1; 48120adfa1aSVlad Yasevich #endif 482223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 483223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 484223fd0adSFlorian Westphal #endif 4856bc506b4SIdo Schimmel 4866bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4876bc506b4SIdo Schimmel int offload_fwd_mark; 4886bc506b4SIdo Schimmel #endif 48968b7c895SHerbert Xu }; 49068b7c895SHerbert Xu 49168b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 49268b7c895SHerbert Xu 49332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 49432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 49532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 49632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 49732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 49832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 49928a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 50028a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 50128a16c97Sstephen hemminger 50228a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 50328a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 50428a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 50528a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 50628a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 50728a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 50828a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 50928a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 51028a16c97Sstephen hemminger 51128a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 51228a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 51328a16c97Sstephen hemminger 5141da177e4SLinus Torvalds /* called under bridge lock */ 5151da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5161da177e4SLinus Torvalds { 5171da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5181da177e4SLinus Torvalds } 5191da177e4SLinus Torvalds 5202594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 5212594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 5222594e906SNikolay Aleksandrov { 5232594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 5242594e906SNikolay Aleksandrov } 5252594e906SNikolay Aleksandrov 5262594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 5272594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 5282594e906SNikolay Aleksandrov { 5292594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 5302594e906SNikolay Aleksandrov } 5312594e906SNikolay Aleksandrov 5326be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5332594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5342594e906SNikolay Aleksandrov { 5352594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5362594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5372594e906SNikolay Aleksandrov return true; 5382594e906SNikolay Aleksandrov else 5392594e906SNikolay Aleksandrov return false; 5402594e906SNikolay Aleksandrov } 5412594e906SNikolay Aleksandrov 5422594e906SNikolay Aleksandrov return true; 5432594e906SNikolay Aleksandrov } 5442594e906SNikolay Aleksandrov 5455d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5465d1fcaf3SNikolay Aleksandrov { 5475d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 5485d1fcaf3SNikolay Aleksandrov } 5495d1fcaf3SNikolay Aleksandrov 5508f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 5515a46facbSNikolay Aleksandrov { 5528f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 5538f4cc940SNikolay Aleksandrov 5548f4cc940SNikolay Aleksandrov if (!ret) 5558f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 5568f4cc940SNikolay Aleksandrov 5578f4cc940SNikolay Aleksandrov return ret; 5585a46facbSNikolay Aleksandrov } 5595a46facbSNikolay Aleksandrov 5605a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 5618f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 5628f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 5635a46facbSNikolay Aleksandrov { 5645a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 5658f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 5668f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 5675a46facbSNikolay Aleksandrov return false; 5688f4cc940SNikolay Aleksandrov } 5695a46facbSNikolay Aleksandrov 5705a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 5715a46facbSNikolay Aleksandrov * - it has range start flag 5725a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 5735a46facbSNikolay Aleksandrov */ 5745a46facbSNikolay Aleksandrov if (last) { 5758f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 5768f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 5775a46facbSNikolay Aleksandrov return false; 5788f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 5798f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 5808f4cc940SNikolay Aleksandrov return false; 5818f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 5828f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 5838f4cc940SNikolay Aleksandrov return false; 5848f4cc940SNikolay Aleksandrov } 5858f4cc940SNikolay Aleksandrov } 5868f4cc940SNikolay Aleksandrov 5878f4cc940SNikolay Aleksandrov /* check for required range flags */ 5888f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 5898f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 5908f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 5915a46facbSNikolay Aleksandrov return false; 5925a46facbSNikolay Aleksandrov } 5935a46facbSNikolay Aleksandrov 5945a46facbSNikolay Aleksandrov return true; 5955a46facbSNikolay Aleksandrov } 5965a46facbSNikolay Aleksandrov 597f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 598f545923bSNikolay Aleksandrov { 599f545923bSNikolay Aleksandrov switch (cmd) { 600f545923bSNikolay Aleksandrov case RTM_SETLINK: 601f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 602f545923bSNikolay Aleksandrov case RTM_DELLINK: 603f545923bSNikolay Aleksandrov return RTM_DELVLAN; 604f545923bSNikolay Aleksandrov } 605f545923bSNikolay Aleksandrov 606f545923bSNikolay Aleksandrov return 0; 607f545923bSNikolay Aleksandrov } 608f545923bSNikolay Aleksandrov 609ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 610ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 611ae75767eSNikolay Aleksandrov { 612ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 613ae75767eSNikolay Aleksandrov } 614ae75767eSNikolay Aleksandrov 615a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 616a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 617a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 618a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 619a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 620a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 621a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 622a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 623ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 624ae75767eSNikolay Aleksandrov 6251da177e4SLinus Torvalds /* br_device.c */ 626348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 627348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 628348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 629cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 63091d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 63191d2c34aSHerbert Xu struct sk_buff *skb) 63291d2c34aSHerbert Xu { 633f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 63491d2c34aSHerbert Xu } 63591d2c34aSHerbert Xu 636a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 637348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 63891d2c34aSHerbert Xu #else 6399f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 64091d2c34aSHerbert Xu struct sk_buff *skb) 64191d2c34aSHerbert Xu { 64291d2c34aSHerbert Xu } 64391d2c34aSHerbert Xu 644a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 64591d2c34aSHerbert Xu { 64691d2c34aSHerbert Xu return 0; 64791d2c34aSHerbert Xu } 64891d2c34aSHerbert Xu 64991d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 65091d2c34aSHerbert Xu { 65191d2c34aSHerbert Xu } 652cfb478daSstephen hemminger #endif 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds /* br_fdb.c */ 655348662a1SJoe Perches int br_fdb_init(void); 656348662a1SJoe Perches void br_fdb_fini(void); 657eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 658eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 659348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 660424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 661424bb9c9SToshiaki Makita const struct net_bridge_port *p, 662424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 663348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 664348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 665f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 666348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 6671ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 668bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 669bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 670bfd0aeacSNikolay Aleksandrov __u16 vid); 671348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 672348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 673348662a1SJoe Perches unsigned long off); 674348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 675348662a1SJoe Perches const unsigned char *addr, u16 vid); 676348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 677be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 67877162022SJohn Fastabend 679348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 680f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 681348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 68287b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 68387b0984eSPetr Machata struct netlink_ext_ack *extack); 684348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 685d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 68647674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 68747674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 68847674562SRoopa Prabhu struct netlink_ext_ack *extack); 6898db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 6908db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 6913aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 692161d82deSPetr Machata const unsigned char *addr, u16 vid, 693161d82deSPetr Machata bool swdev_notify); 6943aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 695161d82deSPetr Machata const unsigned char *addr, u16 vid, 696161d82deSPetr Machata bool swdev_notify); 6979fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 698e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 6991da177e4SLinus Torvalds 7001da177e4SLinus Torvalds /* br_forward.c */ 7018addd5e7SNikolay Aleksandrov enum br_pkt_type { 7028addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7038addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7048addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7058addd5e7SNikolay Aleksandrov }; 7060c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 707b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 70837b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7090c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 71037b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7118addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7121da177e4SLinus Torvalds 7137d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7147d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7157d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7167d850abdSNikolay Aleksandrov { 7177d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 7187d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 7197d850abdSNikolay Aleksandrov } 7207d850abdSNikolay Aleksandrov 7211da177e4SLinus Torvalds /* br_if.c */ 722faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 723348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 724348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 725ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 726ca752be0SDavid Ahern struct netlink_ext_ack *extack); 727348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 728804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 729348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 730c8f44affSMichał Mirosław netdev_features_t features); 731e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7322796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7332756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds /* br_input.c */ 7360c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 7379eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 7381da177e4SLinus Torvalds 739859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 740859828c0SJiri Pirko { 7419eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 742859828c0SJiri Pirko } 743859828c0SJiri Pirko 7444d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 7454d4fd361SPetr Machata { 7469eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 7474d4fd361SPetr Machata } 7484d4fd361SPetr Machata 749859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 750859828c0SJiri Pirko { 751859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 752859828c0SJiri Pirko } 753859828c0SJiri Pirko 7544d4fd361SPetr Machata static inline struct net_bridge_port * 7554d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 7564d4fd361SPetr Machata { 7574d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 7584d4fd361SPetr Machata } 7594d4fd361SPetr Machata 7601da177e4SLinus Torvalds /* br_ioctl.c */ 761348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 762348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 763348662a1SJoe Perches void __user *arg); 7641da177e4SLinus Torvalds 765eb1d1641SHerbert Xu /* br_multicast.c */ 766eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 767348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 768fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 769348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 770eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 7711080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 772348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 773348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 774348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 775348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 776348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 777348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 778e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 77937b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 78037b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 781348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 782348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 783348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 784348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 785348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 7865e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 787aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 788aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 789aa2ae3e7SNikolay Aleksandrov #endif 790348662a1SJoe Perches struct net_bridge_mdb_entry * 79119e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 792348662a1SJoe Perches struct net_bridge_mdb_entry * 79319e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 794348662a1SJoe Perches struct net_bridge_port_group * 795348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 796762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 7978b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 7988b671779SNikolay Aleksandrov u8 filter_mode); 79919e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 80019e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 80145ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 80245ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 803949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 804949f1e39SSatish Ashok int type); 805681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 806681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 807681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 8081080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 809a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 8101080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 811b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 8121080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 8131080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 8141080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 81519e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 81619e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 8171bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 8181bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 81985b35269SSridhar Samudrala 820cfd56754SCong Wang #define mlock_dereference(X, br) \ 821cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 822cfd56754SCong Wang 82385b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 82485b35269SSridhar Samudrala { 82585b35269SSridhar Samudrala return br->multicast_router == 2 || 82685b35269SSridhar Samudrala (br->multicast_router == 1 && 82785b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 82885b35269SSridhar Samudrala } 829b00589afSLinus Lüssing 830cc0fdd80SLinus Lüssing static inline bool 831cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 8320888d5f3Sdaniel struct bridge_mcast_other_query *querier, 8330888d5f3Sdaniel const bool is_ipv6) 834b00589afSLinus Lüssing { 8350888d5f3Sdaniel bool own_querier_enabled; 8360888d5f3Sdaniel 837675779adSNikolay Aleksandrov if (br_opt_get(br, BROPT_MULTICAST_QUERIER)) { 838675779adSNikolay Aleksandrov if (is_ipv6 && !br_opt_get(br, BROPT_HAS_IPV6_ADDR)) 8390888d5f3Sdaniel own_querier_enabled = false; 8400888d5f3Sdaniel else 8410888d5f3Sdaniel own_querier_enabled = true; 8420888d5f3Sdaniel } else { 8430888d5f3Sdaniel own_querier_enabled = false; 8440888d5f3Sdaniel } 8450888d5f3Sdaniel 846cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 8470888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 848cc0fdd80SLinus Lüssing } 849cc0fdd80SLinus Lüssing 850cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 851cc0fdd80SLinus Lüssing struct ethhdr *eth) 852cc0fdd80SLinus Lüssing { 853cc0fdd80SLinus Lüssing switch (eth->h_proto) { 854cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 8550888d5f3Sdaniel return __br_multicast_querier_exists(br, 8560888d5f3Sdaniel &br->ip4_other_query, false); 857cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 858cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 8590888d5f3Sdaniel return __br_multicast_querier_exists(br, 8600888d5f3Sdaniel &br->ip6_other_query, true); 861cc0fdd80SLinus Lüssing #endif 862cc0fdd80SLinus Lüssing default: 863cc0fdd80SLinus Lüssing return false; 864cc0fdd80SLinus Lüssing } 865b00589afSLinus Lüssing } 8661080ab95SNikolay Aleksandrov 8671080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 8681080ab95SNikolay Aleksandrov { 8691080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 8701080ab95SNikolay Aleksandrov } 871eb1d1641SHerbert Xu #else 872eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 873eb1d1641SHerbert Xu struct net_bridge_port *port, 87406499098SVlad Yasevich struct sk_buff *skb, 87506499098SVlad Yasevich u16 vid) 876eb1d1641SHerbert Xu { 877eb1d1641SHerbert Xu return 0; 878eb1d1641SHerbert Xu } 879eb1d1641SHerbert Xu 880eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 881fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 882eb1d1641SHerbert Xu { 883eb1d1641SHerbert Xu return NULL; 884eb1d1641SHerbert Xu } 885eb1d1641SHerbert Xu 8861080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 887eb1d1641SHerbert Xu { 8881080ab95SNikolay Aleksandrov return 0; 889eb1d1641SHerbert Xu } 890eb1d1641SHerbert Xu 891eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 892eb1d1641SHerbert Xu { 893eb1d1641SHerbert Xu } 894eb1d1641SHerbert Xu 895eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 896eb1d1641SHerbert Xu { 897eb1d1641SHerbert Xu } 898eb1d1641SHerbert Xu 899eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 900eb1d1641SHerbert Xu { 901eb1d1641SHerbert Xu } 902eb1d1641SHerbert Xu 903eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 904eb1d1641SHerbert Xu { 905eb1d1641SHerbert Xu } 906eb1d1641SHerbert Xu 907eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 908eb1d1641SHerbert Xu { 909eb1d1641SHerbert Xu } 910eb1d1641SHerbert Xu 911eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 912eb1d1641SHerbert Xu { 913eb1d1641SHerbert Xu } 9145cb5e947SHerbert Xu 915a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 916a7ce45a7SNikolay Aleksandrov { 917a7ce45a7SNikolay Aleksandrov } 918a7ce45a7SNikolay Aleksandrov 91937b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 92037b090e6SNikolay Aleksandrov struct sk_buff *skb, 92137b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 9225cb5e947SHerbert Xu { 9235cb5e947SHerbert Xu } 9245cb5e947SHerbert Xu 925eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 926eb1d1641SHerbert Xu { 92703aaa9e2SGustavo A. R. Silva return false; 928eb1d1641SHerbert Xu } 92937b090e6SNikolay Aleksandrov 930cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 931cc0fdd80SLinus Lüssing struct ethhdr *eth) 932b00589afSLinus Lüssing { 933b00589afSLinus Lüssing return false; 934b00589afSLinus Lüssing } 93537b090e6SNikolay Aleksandrov 936fdb184d1SRami Rosen static inline void br_mdb_init(void) 937fdb184d1SRami Rosen { 938fdb184d1SRami Rosen } 93937b090e6SNikolay Aleksandrov 940fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 941fdb184d1SRami Rosen { 942fdb184d1SRami Rosen } 9431080ab95SNikolay Aleksandrov 94419e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 94519e3a9c9SNikolay Aleksandrov { 94619e3a9c9SNikolay Aleksandrov return 0; 94719e3a9c9SNikolay Aleksandrov } 94819e3a9c9SNikolay Aleksandrov 94919e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 95019e3a9c9SNikolay Aleksandrov { 95119e3a9c9SNikolay Aleksandrov } 95219e3a9c9SNikolay Aleksandrov 9531080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 9541080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 955a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 956a65056ecSNikolay Aleksandrov u8 type, u8 dir) 9571080ab95SNikolay Aleksandrov { 9581080ab95SNikolay Aleksandrov } 9591080ab95SNikolay Aleksandrov 9601080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 9611080ab95SNikolay Aleksandrov { 9621080ab95SNikolay Aleksandrov return 0; 9631080ab95SNikolay Aleksandrov } 9641080ab95SNikolay Aleksandrov 965b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 966b6fe0440SIdo Schimmel { 967b6fe0440SIdo Schimmel } 968b6fe0440SIdo Schimmel 9691080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 9701080ab95SNikolay Aleksandrov { 9711080ab95SNikolay Aleksandrov return 0; 9721080ab95SNikolay Aleksandrov } 97385b35269SSridhar Samudrala #endif 974eb1d1641SHerbert Xu 975243a2e63SVlad Yasevich /* br_vlan.c */ 976243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 97777751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 97877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 979a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 98077751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 98185f46c6bSVlad Yasevich const struct sk_buff *skb); 982e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 983348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 98411538d03SRoopa Prabhu const struct net_bridge_port *port, 9852594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 98678851988SVlad Yasevich struct sk_buff *skb); 987f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 988169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 989348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 990348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 9912594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 992204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 993a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 994348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 995d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 996204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 9976dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 9989163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 9995be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 100096a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 1001169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1002169327d5SPetr Machata struct netlink_ext_ack *extack); 1003f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1004169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1005348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1006348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1007169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 10082594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1009a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1010a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 10119c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1012091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 10139c0ec2e7SMike Manning void *ptr); 10148dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 10158dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1016cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1017cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1018cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1019cf5bddb9SNikolay Aleksandrov int cmd); 1020a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1021a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1022a37b85c9SVlad Yasevich 10232594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1024a37b85c9SVlad Yasevich const struct net_bridge *br) 1025a37b85c9SVlad Yasevich { 1026907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1027a37b85c9SVlad Yasevich } 1028a37b85c9SVlad Yasevich 10292594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1030a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1031a37b85c9SVlad Yasevich { 1032907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1033907b1e6eSNikolay Aleksandrov } 1034907b1e6eSNikolay Aleksandrov 1035907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1036907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1037907b1e6eSNikolay Aleksandrov { 1038907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1039907b1e6eSNikolay Aleksandrov } 1040907b1e6eSNikolay Aleksandrov 1041907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1042907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1043907b1e6eSNikolay Aleksandrov { 1044907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1045a37b85c9SVlad Yasevich } 1046a37b85c9SVlad Yasevich 1047a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1048a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1049a37b85c9SVlad Yasevich */ 1050a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1051a37b85c9SVlad Yasevich { 1052a37b85c9SVlad Yasevich int err = 0; 1053a37b85c9SVlad Yasevich 10542594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 10555978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 10562594e906SNikolay Aleksandrov } else { 1057a37b85c9SVlad Yasevich *vid = 0; 1058a37b85c9SVlad Yasevich err = -EINVAL; 1059a37b85c9SVlad Yasevich } 1060a37b85c9SVlad Yasevich 1061a37b85c9SVlad Yasevich return err; 1062a37b85c9SVlad Yasevich } 106378851988SVlad Yasevich 106477751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 106578851988SVlad Yasevich { 106677751ee8SNikolay Aleksandrov if (!vg) 10675be5a2dfSVlad Yasevich return 0; 10685be5a2dfSVlad Yasevich 106978851988SVlad Yasevich smp_rmb(); 107077751ee8SNikolay Aleksandrov return vg->pvid; 107178851988SVlad Yasevich } 107278851988SVlad Yasevich 10738dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 10748dcea187SNikolay Aleksandrov { 10758dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 10768dcea187SNikolay Aleksandrov } 1077243a2e63SVlad Yasevich #else 107877751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 107977751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 10802594e906SNikolay Aleksandrov struct sk_buff *skb, 1081a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 10822594e906SNikolay Aleksandrov { 10832594e906SNikolay Aleksandrov return true; 10842594e906SNikolay Aleksandrov } 10852594e906SNikolay Aleksandrov 10862594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 108785f46c6bSVlad Yasevich const struct sk_buff *skb) 108885f46c6bSVlad Yasevich { 108985f46c6bSVlad Yasevich return true; 109085f46c6bSVlad Yasevich } 109185f46c6bSVlad Yasevich 1092e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1093e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1094e0d7968aSToshiaki Makita { 1095e0d7968aSToshiaki Makita return true; 1096e0d7968aSToshiaki Makita } 1097e0d7968aSToshiaki Makita 109878851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 109911538d03SRoopa Prabhu const struct net_bridge_port *port, 11002594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 110178851988SVlad Yasevich struct sk_buff *skb) 110278851988SVlad Yasevich { 110378851988SVlad Yasevich return skb; 110478851988SVlad Yasevich } 110578851988SVlad Yasevich 1106f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1107169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1108243a2e63SVlad Yasevich { 1109f418af63SNikolay Aleksandrov *changed = false; 1110243a2e63SVlad Yasevich return -EOPNOTSUPP; 1111243a2e63SVlad Yasevich } 1112243a2e63SVlad Yasevich 1113243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1114243a2e63SVlad Yasevich { 1115243a2e63SVlad Yasevich return -EOPNOTSUPP; 1116243a2e63SVlad Yasevich } 1117243a2e63SVlad Yasevich 1118243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1119243a2e63SVlad Yasevich { 1120243a2e63SVlad Yasevich } 1121243a2e63SVlad Yasevich 1122204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1123204177f3SToshiaki Makita { 1124204177f3SToshiaki Makita } 1125204177f3SToshiaki Makita 11265be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 11278580e211SToshiaki Makita { 11285be5a2dfSVlad Yasevich return 0; 11298580e211SToshiaki Makita } 11308580e211SToshiaki Makita 1131f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1132169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1133243a2e63SVlad Yasevich { 1134f418af63SNikolay Aleksandrov *changed = false; 1135243a2e63SVlad Yasevich return -EOPNOTSUPP; 1136243a2e63SVlad Yasevich } 1137243a2e63SVlad Yasevich 1138243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1139243a2e63SVlad Yasevich { 1140243a2e63SVlad Yasevich return -EOPNOTSUPP; 1141243a2e63SVlad Yasevich } 1142243a2e63SVlad Yasevich 1143243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1144243a2e63SVlad Yasevich { 1145243a2e63SVlad Yasevich } 1146243a2e63SVlad Yasevich 11472594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 11482594e906SNikolay Aleksandrov u16 vid) 1149a37b85c9SVlad Yasevich { 1150a37b85c9SVlad Yasevich return NULL; 1151a37b85c9SVlad Yasevich } 1152bc9a25d2SVlad Yasevich 1153169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1154169327d5SPetr Machata struct netlink_ext_ack *extack) 11555be5a2dfSVlad Yasevich { 11565be5a2dfSVlad Yasevich return 0; 11575be5a2dfSVlad Yasevich } 11585be5a2dfSVlad Yasevich 115978851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1160a37b85c9SVlad Yasevich { 1161a37b85c9SVlad Yasevich return 0; 1162a37b85c9SVlad Yasevich } 11632594e906SNikolay Aleksandrov 116477751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 116578851988SVlad Yasevich { 11663df6bf45SVlad Yasevich return 0; 116778851988SVlad Yasevich } 11682796d0c6SVlad Yasevich 1169a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 1170a7854037SNikolay Aleksandrov unsigned long val) 1171a7854037SNikolay Aleksandrov { 1172a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1173a7854037SNikolay Aleksandrov } 11742594e906SNikolay Aleksandrov 11752594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 11762594e906SNikolay Aleksandrov u32 filter_mask) 11772594e906SNikolay Aleksandrov { 11782594e906SNikolay Aleksandrov return 0; 11792594e906SNikolay Aleksandrov } 11802594e906SNikolay Aleksandrov 11812594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 11822594e906SNikolay Aleksandrov const struct net_bridge *br) 11832594e906SNikolay Aleksandrov { 11842594e906SNikolay Aleksandrov return NULL; 11852594e906SNikolay Aleksandrov } 11862594e906SNikolay Aleksandrov 11872594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 11882594e906SNikolay Aleksandrov const struct net_bridge_port *p) 11892594e906SNikolay Aleksandrov { 11902594e906SNikolay Aleksandrov return NULL; 11912594e906SNikolay Aleksandrov } 1192907b1e6eSNikolay Aleksandrov 1193907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1194907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1195907b1e6eSNikolay Aleksandrov { 1196907b1e6eSNikolay Aleksandrov return NULL; 1197907b1e6eSNikolay Aleksandrov } 1198907b1e6eSNikolay Aleksandrov 1199907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1200907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1201907b1e6eSNikolay Aleksandrov { 1202907b1e6eSNikolay Aleksandrov return NULL; 1203907b1e6eSNikolay Aleksandrov } 1204a60c0903SNikolay Aleksandrov 1205a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1206a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 1207a60c0903SNikolay Aleksandrov { 1208a60c0903SNikolay Aleksandrov } 12099c0ec2e7SMike Manning 12109c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 12119c0ec2e7SMike Manning unsigned long event) 12129c0ec2e7SMike Manning { 12139c0ec2e7SMike Manning } 12149c0ec2e7SMike Manning 1215091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 12169c0ec2e7SMike Manning unsigned long event, void *ptr) 12179c0ec2e7SMike Manning { 1218091adf9bSNikolay Aleksandrov return 0; 12199c0ec2e7SMike Manning } 12208dcea187SNikolay Aleksandrov 12218dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 12228dcea187SNikolay Aleksandrov { 12238dcea187SNikolay Aleksandrov } 12248dcea187SNikolay Aleksandrov 12258dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 12268dcea187SNikolay Aleksandrov { 12278dcea187SNikolay Aleksandrov } 1228cf5bddb9SNikolay Aleksandrov 1229cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1230cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1231cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1232cf5bddb9SNikolay Aleksandrov int cmd) 1233cf5bddb9SNikolay Aleksandrov { 1234cf5bddb9SNikolay Aleksandrov } 1235528ae84aSNikolay Aleksandrov 1236528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1237528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1238528ae84aSNikolay Aleksandrov { 1239528ae84aSNikolay Aleksandrov return true; 1240528ae84aSNikolay Aleksandrov } 1241243a2e63SVlad Yasevich #endif 1242243a2e63SVlad Yasevich 12437a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 12447a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 124599f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 124699f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 12477a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 12487a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1249a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1250a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1251a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1252a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1253a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1254a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1255a580c76dSNikolay Aleksandrov 1256a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1257a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1258a580c76dSNikolay Aleksandrov { 1259a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1260a580c76dSNikolay Aleksandrov } 1261a580c76dSNikolay Aleksandrov 1262a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1263a580c76dSNikolay Aleksandrov { 1264a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1265a580c76dSNikolay Aleksandrov } 1266a580c76dSNikolay Aleksandrov 1267a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1268a580c76dSNikolay Aleksandrov { 1269a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1270a580c76dSNikolay Aleksandrov } 1271a580c76dSNikolay Aleksandrov 1272a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1273a580c76dSNikolay Aleksandrov u8 state) 1274a580c76dSNikolay Aleksandrov { 1275a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1276a580c76dSNikolay Aleksandrov } 1277a580c76dSNikolay Aleksandrov 1278a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1279a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1280a580c76dSNikolay Aleksandrov { 1281a580c76dSNikolay Aleksandrov switch (state) { 1282a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1283a580c76dSNikolay Aleksandrov return learn_allow; 1284a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1285a580c76dSNikolay Aleksandrov return true; 1286a580c76dSNikolay Aleksandrov default: 1287a580c76dSNikolay Aleksandrov return false; 1288a580c76dSNikolay Aleksandrov } 1289a580c76dSNikolay Aleksandrov } 12907a53e718SNikolay Aleksandrov #endif 12917a53e718SNikolay Aleksandrov 12921a4ba64dSPablo Neira Ayuso struct nf_br_ops { 12931a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 12941a4ba64dSPablo Neira Ayuso }; 12951a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 12961a4ba64dSPablo Neira Ayuso 12971da177e4SLinus Torvalds /* br_netfilter.c */ 129834666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 129934666d46SPablo Neira Ayuso int br_nf_core_init(void); 130034666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1301348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1302c0909713SStephen Hemminger #else 130334666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 130434666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 13054adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1306c0909713SStephen Hemminger #endif 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvalds /* br_stp.c */ 1309775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1310348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1311348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1312348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 13131da177e4SLinus Torvalds 1314348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1315348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1316348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1317348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 131882dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 13199e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 132014f98f25Sstephen hemminger 132114f98f25Sstephen hemminger 13221da177e4SLinus Torvalds /* br_stp_if.c */ 1323348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1324348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1325419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1326419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1327348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1328348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1329348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1330348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1331348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1332348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1333348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1334348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvalds /* br_stp_bpdu.c */ 13377c85fbf0SPatrick McHardy struct stp_proto; 1338348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 13397c85fbf0SPatrick McHardy struct net_device *dev); 13401da177e4SLinus Torvalds 13411da177e4SLinus Torvalds /* br_stp_timer.c */ 1342348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1343348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1344348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvalds /* br.c */ 1347e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1348da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1349da678292SMichał Mirosław #endif 13501da177e4SLinus Torvalds 135165369933SHoratiu Vultur /* br_mrp.c */ 135265369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 135365369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 135465369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 135565369933SHoratiu Vultur int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb); 135665369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 135765369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1358df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 135965369933SHoratiu Vultur #else 136065369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 136165369933SHoratiu Vultur struct nlattr *attr, int cmd, 136265369933SHoratiu Vultur struct netlink_ext_ack *extack) 136365369933SHoratiu Vultur { 136465369933SHoratiu Vultur return -EOPNOTSUPP; 136565369933SHoratiu Vultur } 136665369933SHoratiu Vultur 136765369933SHoratiu Vultur static inline int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb) 136865369933SHoratiu Vultur { 136965369933SHoratiu Vultur return 0; 137065369933SHoratiu Vultur } 137165369933SHoratiu Vultur 137265369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 137365369933SHoratiu Vultur { 13748741e184SJason Yan return false; 137565369933SHoratiu Vultur } 137665369933SHoratiu Vultur 137765369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 137865369933SHoratiu Vultur struct net_bridge_port *p) 137965369933SHoratiu Vultur { 138065369933SHoratiu Vultur } 1381df42ef22SHoratiu Vultur 1382df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1383df42ef22SHoratiu Vultur { 1384df42ef22SHoratiu Vultur return 0; 1385df42ef22SHoratiu Vultur } 1386df42ef22SHoratiu Vultur 138765369933SHoratiu Vultur #endif 138865369933SHoratiu Vultur 138911dc1f36SStephen Hemminger /* br_netlink.c */ 1390149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1391348662a1SJoe Perches int br_netlink_init(void); 1392348662a1SJoe Perches void br_netlink_fini(void); 139392899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 139492899063SNikolay Aleksandrov const struct net_bridge_port *port); 13952fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 13962fd527b7SPetr Machata struct netlink_ext_ack *extack); 1397add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1398348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 139946c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1400f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1401f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1402f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1403f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1404f26b2965SNikolay Aleksandrov bool *changed, 1405f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 140611dc1f36SStephen Hemminger 14071da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 14081da177e4SLinus Torvalds /* br_sysfs_if.c */ 140952cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1410348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1411348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 14121da177e4SLinus Torvalds 14131da177e4SLinus Torvalds /* br_sysfs_br.c */ 1414348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1415348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 14161da177e4SLinus Torvalds 14171da177e4SLinus Torvalds #else 14181da177e4SLinus Torvalds 14190cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 14200cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 14210cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 14220cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 14231da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 14241da177e4SLinus Torvalds 14256bc506b4SIdo Schimmel /* br_switchdev.c */ 14266bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 14276bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 14286bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 14296bc506b4SIdo Schimmel struct sk_buff *skb); 14306bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 14316bc506b4SIdo Schimmel const struct sk_buff *skb); 14323922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 14333922285dSArkadi Sharshevsky unsigned long flags, 14343922285dSArkadi Sharshevsky unsigned long mask); 14356b26b51bSArkadi Sharshevsky void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, 14366b26b51bSArkadi Sharshevsky int type); 1437169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1438169327d5SPetr Machata struct netlink_ext_ack *extack); 1439d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1440f1c2eddfSIdo Schimmel 1441f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1442f1c2eddfSIdo Schimmel { 1443f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1444f1c2eddfSIdo Schimmel } 14456bc506b4SIdo Schimmel #else 14466bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 14476bc506b4SIdo Schimmel { 14486bc506b4SIdo Schimmel return 0; 14496bc506b4SIdo Schimmel } 14506bc506b4SIdo Schimmel 14516bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 14526bc506b4SIdo Schimmel struct sk_buff *skb) 14536bc506b4SIdo Schimmel { 14546bc506b4SIdo Schimmel } 14556bc506b4SIdo Schimmel 14566bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 14576bc506b4SIdo Schimmel const struct sk_buff *skb) 14586bc506b4SIdo Schimmel { 14596bc506b4SIdo Schimmel return true; 14606bc506b4SIdo Schimmel } 14613922285dSArkadi Sharshevsky 14623922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 14633922285dSArkadi Sharshevsky unsigned long flags, 14643922285dSArkadi Sharshevsky unsigned long mask) 14653922285dSArkadi Sharshevsky { 14663922285dSArkadi Sharshevsky return 0; 14673922285dSArkadi Sharshevsky } 14686b26b51bSArkadi Sharshevsky 1469d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1470169327d5SPetr Machata u16 vid, u16 flags, 1471169327d5SPetr Machata struct netlink_ext_ack *extack) 1472d66e4348SPetr Machata { 1473d66e4348SPetr Machata return -EOPNOTSUPP; 1474d66e4348SPetr Machata } 1475d66e4348SPetr Machata 1476d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1477d66e4348SPetr Machata { 1478d66e4348SPetr Machata return -EOPNOTSUPP; 1479d66e4348SPetr Machata } 1480d66e4348SPetr Machata 14816b26b51bSArkadi Sharshevsky static inline void 14826b26b51bSArkadi Sharshevsky br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) 14836b26b51bSArkadi Sharshevsky { 14846b26b51bSArkadi Sharshevsky } 1485f1c2eddfSIdo Schimmel 1486f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1487f1c2eddfSIdo Schimmel { 1488f1c2eddfSIdo Schimmel } 14896bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 14906bc506b4SIdo Schimmel 1491057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1492821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1493057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1494057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1495ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1496ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1497ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 14981da177e4SLinus Torvalds #endif 1499