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 511da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 521da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 531da177e4SLinus Torvalds typedef __u16 port_id; 541da177e4SLinus Torvalds 551c1cb6d0SNikolay Aleksandrov struct bridge_id { 561da177e4SLinus Torvalds unsigned char prio[2]; 57e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 601c1cb6d0SNikolay Aleksandrov struct mac_addr { 61e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 621da177e4SLinus Torvalds }; 631da177e4SLinus Torvalds 64cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 65cc0fdd80SLinus Lüssing /* our own querier */ 6690010b36SLinus Lüssing struct bridge_mcast_own_query { 67cc0fdd80SLinus Lüssing struct timer_list timer; 68cc0fdd80SLinus Lüssing u32 startup_sent; 69cc0fdd80SLinus Lüssing }; 70cc0fdd80SLinus Lüssing 71cc0fdd80SLinus Lüssing /* other querier */ 7290010b36SLinus Lüssing struct bridge_mcast_other_query { 73cc0fdd80SLinus Lüssing struct timer_list timer; 74cc0fdd80SLinus Lüssing unsigned long delay_time; 75cc0fdd80SLinus Lüssing }; 76dc4eb53aSLinus Lüssing 77dc4eb53aSLinus Lüssing /* selected querier */ 78dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 79dc4eb53aSLinus Lüssing struct br_ip addr; 802cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 81dc4eb53aSLinus Lüssing }; 821080ab95SNikolay Aleksandrov 831080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 841080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 851080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 861080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 871080ab95SNikolay Aleksandrov }; 88cc0fdd80SLinus Lüssing #endif 89cc0fdd80SLinus Lüssing 906dada9b1SNikolay Aleksandrov struct br_vlan_stats { 916dada9b1SNikolay Aleksandrov u64 rx_bytes; 926dada9b1SNikolay Aleksandrov u64 rx_packets; 936dada9b1SNikolay Aleksandrov u64 tx_bytes; 946dada9b1SNikolay Aleksandrov u64 tx_packets; 956dada9b1SNikolay Aleksandrov struct u64_stats_sync syncp; 966dada9b1SNikolay Aleksandrov }; 976dada9b1SNikolay Aleksandrov 98efa5356bSRoopa Prabhu struct br_tunnel_info { 99efa5356bSRoopa Prabhu __be64 tunnel_id; 100efa5356bSRoopa Prabhu struct metadata_dst *tunnel_dst; 101efa5356bSRoopa Prabhu }; 102efa5356bSRoopa Prabhu 1039d332e69SNikolay Aleksandrov /* private vlan flags */ 1049d332e69SNikolay Aleksandrov enum { 1059d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 10627973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1079d332e69SNikolay Aleksandrov }; 1089d332e69SNikolay Aleksandrov 1092594e906SNikolay Aleksandrov /** 1102594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1112594e906SNikolay Aleksandrov * 1122594e906SNikolay Aleksandrov * @vnode: rhashtable member 1132594e906SNikolay Aleksandrov * @vid: VLAN id 1142594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1159d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 116a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1176dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1182594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1192594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1202594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1212594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1222594e906SNikolay Aleksandrov * for this VLAN entry 1232594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1242594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1252594e906SNikolay Aleksandrov * 1262594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1272594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1282594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1292594e906SNikolay Aleksandrov * the entry flags that are set. 1302594e906SNikolay Aleksandrov */ 1312594e906SNikolay Aleksandrov struct net_bridge_vlan { 1322594e906SNikolay Aleksandrov struct rhash_head vnode; 133efa5356bSRoopa Prabhu struct rhash_head tnode; 1342594e906SNikolay Aleksandrov u16 vid; 1352594e906SNikolay Aleksandrov u16 flags; 1369d332e69SNikolay Aleksandrov u16 priv_flags; 137a580c76dSNikolay Aleksandrov u8 state; 1386dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 139243a2e63SVlad Yasevich union { 140243a2e63SVlad Yasevich struct net_bridge *br; 1412594e906SNikolay Aleksandrov struct net_bridge_port *port; 1422594e906SNikolay Aleksandrov }; 1432594e906SNikolay Aleksandrov union { 14425127759SReshetova, Elena refcount_t refcnt; 1452594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1462594e906SNikolay Aleksandrov }; 147efa5356bSRoopa Prabhu 148efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 149efa5356bSRoopa Prabhu 1502594e906SNikolay Aleksandrov struct list_head vlist; 1512594e906SNikolay Aleksandrov 152243a2e63SVlad Yasevich struct rcu_head rcu; 1532594e906SNikolay Aleksandrov }; 1542594e906SNikolay Aleksandrov 1552594e906SNikolay Aleksandrov /** 1562594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1572594e906SNikolay Aleksandrov * 1582594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1592594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1602594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 16177751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 162a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 1632594e906SNikolay Aleksandrov * 1642594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1652594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1662594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1672594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1682594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1692594e906SNikolay Aleksandrov */ 1702594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1712594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 172efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 1732594e906SNikolay Aleksandrov struct list_head vlan_list; 1746cbdceebSVlad Yasevich u16 num_vlans; 17577751ee8SNikolay Aleksandrov u16 pvid; 176a580c76dSNikolay Aleksandrov u8 pvid_state; 177243a2e63SVlad Yasevich }; 178243a2e63SVlad Yasevich 1796869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 1806869c3b0SNikolay Aleksandrov enum { 1816869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 18229e63fffSNikolay Aleksandrov BR_FDB_STATIC, 183e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 184ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 185b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 186d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 1876869c3b0SNikolay Aleksandrov }; 1886869c3b0SNikolay Aleksandrov 189eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 190eb793583SNikolay Aleksandrov mac_addr addr; 191eb793583SNikolay Aleksandrov u16 vlan_id; 192eb793583SNikolay Aleksandrov }; 193eb793583SNikolay Aleksandrov 1941214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 195eb793583SNikolay Aleksandrov struct rhash_head rhnode; 1961da177e4SLinus Torvalds struct net_bridge_port *dst; 1971da177e4SLinus Torvalds 198eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 199eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 2006869c3b0SNikolay Aleksandrov unsigned long flags; 2011214628cSNikolay Aleksandrov 2021214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 2031214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2041214628cSNikolay Aleksandrov unsigned long used; 2051214628cSNikolay Aleksandrov 206b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2071da177e4SLinus Torvalds }; 2081da177e4SLinus Torvalds 2099d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2109d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2113247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2129d06b6d8SElad Raz 213eb1d1641SHerbert Xu struct net_bridge_port_group { 214eb1d1641SHerbert Xu struct net_bridge_port *port; 215e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 216eb1d1641SHerbert Xu struct hlist_node mglist; 217eb1d1641SHerbert Xu struct rcu_head rcu; 218eb1d1641SHerbert Xu struct timer_list timer; 2198ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 2209d06b6d8SElad Raz unsigned char flags; 2216db6f0eaSFelix Fietkau unsigned char eth_addr[ETH_ALEN]; 222eb1d1641SHerbert Xu }; 223eb1d1641SHerbert Xu 2241c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 22519e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 226eb1d1641SHerbert Xu struct net_bridge *br; 227e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 228eb1d1641SHerbert Xu struct rcu_head rcu; 229eb1d1641SHerbert Xu struct timer_list timer; 2308ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 231ff0fd34eSAndrew Lunn bool host_joined; 23219e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 233eb1d1641SHerbert Xu }; 234eb1d1641SHerbert Xu 2351f90c7f3SNikolay Aleksandrov struct net_bridge_port { 2361da177e4SLinus Torvalds struct net_bridge *br; 2371da177e4SLinus Torvalds struct net_device *dev; 2381da177e4SLinus Torvalds struct list_head list; 2391da177e4SLinus Torvalds 2401f90c7f3SNikolay Aleksandrov unsigned long flags; 2411f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 2421f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 2431f90c7f3SNikolay Aleksandrov #endif 2442756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 2451f90c7f3SNikolay Aleksandrov 2461da177e4SLinus Torvalds /* STP */ 2471da177e4SLinus Torvalds u8 priority; 2481da177e4SLinus Torvalds u8 state; 2491da177e4SLinus Torvalds u16 port_no; 2501da177e4SLinus Torvalds unsigned char topology_change_ack; 2511da177e4SLinus Torvalds unsigned char config_pending; 2521da177e4SLinus Torvalds port_id port_id; 2531da177e4SLinus Torvalds port_id designated_port; 2541da177e4SLinus Torvalds bridge_id designated_root; 2551da177e4SLinus Torvalds bridge_id designated_bridge; 2561da177e4SLinus Torvalds u32 path_cost; 2571da177e4SLinus Torvalds u32 designated_cost; 2580c03150eSstephen hemminger unsigned long designated_age; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2611da177e4SLinus Torvalds struct timer_list hold_timer; 2621da177e4SLinus Torvalds struct timer_list message_age_timer; 2631da177e4SLinus Torvalds struct kobject kobj; 2641da177e4SLinus Torvalds struct rcu_head rcu; 2653982d3d2SFischer, Anna 266eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 26790010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 268cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 26990010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 270cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 271eb1d1641SHerbert Xu unsigned char multicast_router; 2721080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 273eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 274eb1d1641SHerbert Xu struct hlist_head mglist; 275eb1d1641SHerbert Xu struct hlist_node rlist; 276eb1d1641SHerbert Xu #endif 277e0f43752SSimon Arlott 278e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 279e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 280e0f43752SSimon Arlott #endif 28191d2c34aSHerbert Xu 28291d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 28391d2c34aSHerbert Xu struct netpoll *np; 28491d2c34aSHerbert Xu #endif 2856bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2866bc506b4SIdo Schimmel int offload_fwd_mark; 2876bc506b4SIdo Schimmel #endif 2885af48b59SNikolay Aleksandrov u16 group_fwd_mask; 2892756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 290de179966SVivien Didelot 291de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 2921da177e4SLinus Torvalds }; 2931da177e4SLinus Torvalds 294705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 295705e0deaSTyler Hicks 296e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 297f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 298e028e4b8SVlad Yasevich 299b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 300b5ed54e9Sstephen hemminger { 301716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 302b5ed54e9Sstephen hemminger } 303b5ed54e9Sstephen hemminger 3041fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 305b5ed54e9Sstephen hemminger { 30635f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 307ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 308b5ed54e9Sstephen hemminger } 309b5ed54e9Sstephen hemminger 3100baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 3110baa10ffSArkadi Sharshevsky { 31235f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 3130baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 3140baa10ffSArkadi Sharshevsky } 3150baa10ffSArkadi Sharshevsky 316ae75767eSNikolay Aleksandrov enum net_bridge_opts { 317ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 318ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 3198df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 3208df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 3218df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 322be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 32313cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 324675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 325675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 326675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 327675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 328c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 3293341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 3309163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 33170e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 3329c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 333ae75767eSNikolay Aleksandrov }; 334ae75767eSNikolay Aleksandrov 3351f90c7f3SNikolay Aleksandrov struct net_bridge { 3361da177e4SLinus Torvalds spinlock_t lock; 3371f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 3381da177e4SLinus Torvalds struct list_head port_list; 3391da177e4SLinus Torvalds struct net_device *dev; 3408f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 341ae75767eSNikolay Aleksandrov unsigned long options; 3421f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 3431f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3441f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 3451f90c7f3SNikolay Aleksandrov u16 default_pvid; 3461f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3471f90c7f3SNikolay Aleksandrov #endif 3481f90c7f3SNikolay Aleksandrov 349eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 35034666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 351efb6de9bSBernhard Thaler union { 3524adf0af6SSimon Wunderlich struct rtable fake_rtable; 353efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 354efb6de9bSBernhard Thaler }; 3554adf0af6SSimon Wunderlich #endif 356515853ccSstephen hemminger u16 group_fwd_mask; 357f2808d22SToshiaki Makita u16 group_fwd_mask_required; 358515853ccSstephen hemminger 3591da177e4SLinus Torvalds /* STP */ 3601da177e4SLinus Torvalds bridge_id designated_root; 3611da177e4SLinus Torvalds bridge_id bridge_id; 3621f90c7f3SNikolay Aleksandrov unsigned char topology_change; 3631f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 3641f90c7f3SNikolay Aleksandrov u16 root_port; 3651da177e4SLinus Torvalds unsigned long max_age; 3661da177e4SLinus Torvalds unsigned long hello_time; 3671da177e4SLinus Torvalds unsigned long forward_delay; 3681da177e4SLinus Torvalds unsigned long ageing_time; 36934d8acd8SVivien Didelot unsigned long bridge_max_age; 3701da177e4SLinus Torvalds unsigned long bridge_hello_time; 3711da177e4SLinus Torvalds unsigned long bridge_forward_delay; 37234d8acd8SVivien Didelot unsigned long bridge_ageing_time; 37335750b0bSNikolay Aleksandrov u32 root_path_cost; 3741da177e4SLinus Torvalds 375fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 3769cde0708SStephen Hemminger 3779cde0708SStephen Hemminger enum { 3789cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 3799cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 3809cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 3819cde0708SStephen Hemminger } stp_enabled; 3829cde0708SStephen Hemminger 383eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 384eb1d1641SHerbert Xu 385eb1d1641SHerbert Xu u32 hash_max; 386eb1d1641SHerbert Xu 387eb1d1641SHerbert Xu u32 multicast_last_member_count; 388eb1d1641SHerbert Xu u32 multicast_startup_query_count; 389eb1d1641SHerbert Xu 3905e923585SNikolay Aleksandrov u8 multicast_igmp_version; 391675779adSNikolay Aleksandrov u8 multicast_router; 392675779adSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 393675779adSNikolay Aleksandrov u8 multicast_mld_version; 394675779adSNikolay Aleksandrov #endif 39535750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 396eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 397eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 398eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 399eb1d1641SHerbert Xu unsigned long multicast_query_interval; 400eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 401eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 402eb1d1641SHerbert Xu 40319e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 40419e3a9c9SNikolay Aleksandrov 40519e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 406eb1d1641SHerbert Xu struct hlist_head router_list; 407eb1d1641SHerbert Xu 408eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 40990010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 41090010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 411dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 4121080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 413cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 41490010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 41590010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 416dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 417cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 418eb1d1641SHerbert Xu #endif 419eb1d1641SHerbert Xu 4201da177e4SLinus Torvalds struct timer_list hello_timer; 4211da177e4SLinus Torvalds struct timer_list tcn_timer; 4221da177e4SLinus Torvalds struct timer_list topology_change_timer; 423f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 42443b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 425e028e4b8SVlad Yasevich u32 auto_cnt; 4266bc506b4SIdo Schimmel 4276bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4286bc506b4SIdo Schimmel int offload_fwd_mark; 4296bc506b4SIdo Schimmel #endif 430eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 4314b8d7d4cSHoratiu Vultur 4324b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 4334b8d7d4cSHoratiu Vultur struct list_head __rcu mrp_list; 4344b8d7d4cSHoratiu Vultur #endif 4351da177e4SLinus Torvalds }; 4361da177e4SLinus Torvalds 43768b7c895SHerbert Xu struct br_input_skb_cb { 43868b7c895SHerbert Xu struct net_device *brdev; 43993fdd47eSHerbert Xu 4403c171f49SPablo Neira Ayuso u16 frag_max_size; 44132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 442f12064d1SFlorian Westphal u8 igmp; 443f12064d1SFlorian Westphal u8 mrouters_only:1; 44432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 445f12064d1SFlorian Westphal u8 proxyarp_replied:1; 446f12064d1SFlorian Westphal u8 src_port_isolated:1; 44720adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 448f12064d1SFlorian Westphal u8 vlan_filtered:1; 44920adfa1aSVlad Yasevich #endif 450223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 451223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 452223fd0adSFlorian Westphal #endif 4536bc506b4SIdo Schimmel 4546bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4556bc506b4SIdo Schimmel int offload_fwd_mark; 4566bc506b4SIdo Schimmel #endif 45768b7c895SHerbert Xu }; 45868b7c895SHerbert Xu 45968b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 46068b7c895SHerbert Xu 46132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 46232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 46332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 46432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 46532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 46632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 46728a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 46828a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 46928a16c97Sstephen hemminger 47028a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 47128a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 47228a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 47328a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 47428a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 47528a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 47628a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 47728a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 47828a16c97Sstephen hemminger 47928a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 48028a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 48128a16c97Sstephen hemminger 4821da177e4SLinus Torvalds /* called under bridge lock */ 4831da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4841da177e4SLinus Torvalds { 4851da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4861da177e4SLinus Torvalds } 4871da177e4SLinus Torvalds 4882594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4892594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4902594e906SNikolay Aleksandrov { 4912594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4922594e906SNikolay Aleksandrov } 4932594e906SNikolay Aleksandrov 4942594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4952594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4962594e906SNikolay Aleksandrov { 4972594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4982594e906SNikolay Aleksandrov } 4992594e906SNikolay Aleksandrov 5006be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5012594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5022594e906SNikolay Aleksandrov { 5032594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5042594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5052594e906SNikolay Aleksandrov return true; 5062594e906SNikolay Aleksandrov else 5072594e906SNikolay Aleksandrov return false; 5082594e906SNikolay Aleksandrov } 5092594e906SNikolay Aleksandrov 5102594e906SNikolay Aleksandrov return true; 5112594e906SNikolay Aleksandrov } 5122594e906SNikolay Aleksandrov 5135d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5145d1fcaf3SNikolay Aleksandrov { 5155d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 5165d1fcaf3SNikolay Aleksandrov } 5175d1fcaf3SNikolay Aleksandrov 5188f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 5195a46facbSNikolay Aleksandrov { 5208f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 5218f4cc940SNikolay Aleksandrov 5228f4cc940SNikolay Aleksandrov if (!ret) 5238f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 5248f4cc940SNikolay Aleksandrov 5258f4cc940SNikolay Aleksandrov return ret; 5265a46facbSNikolay Aleksandrov } 5275a46facbSNikolay Aleksandrov 5285a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 5298f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 5308f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 5315a46facbSNikolay Aleksandrov { 5325a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 5338f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 5348f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 5355a46facbSNikolay Aleksandrov return false; 5368f4cc940SNikolay Aleksandrov } 5375a46facbSNikolay Aleksandrov 5385a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 5395a46facbSNikolay Aleksandrov * - it has range start flag 5405a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 5415a46facbSNikolay Aleksandrov */ 5425a46facbSNikolay Aleksandrov if (last) { 5438f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 5448f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 5455a46facbSNikolay Aleksandrov return false; 5468f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 5478f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 5488f4cc940SNikolay Aleksandrov return false; 5498f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 5508f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 5518f4cc940SNikolay Aleksandrov return false; 5528f4cc940SNikolay Aleksandrov } 5538f4cc940SNikolay Aleksandrov } 5548f4cc940SNikolay Aleksandrov 5558f4cc940SNikolay Aleksandrov /* check for required range flags */ 5568f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 5578f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 5588f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 5595a46facbSNikolay Aleksandrov return false; 5605a46facbSNikolay Aleksandrov } 5615a46facbSNikolay Aleksandrov 5625a46facbSNikolay Aleksandrov return true; 5635a46facbSNikolay Aleksandrov } 5645a46facbSNikolay Aleksandrov 565f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 566f545923bSNikolay Aleksandrov { 567f545923bSNikolay Aleksandrov switch (cmd) { 568f545923bSNikolay Aleksandrov case RTM_SETLINK: 569f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 570f545923bSNikolay Aleksandrov case RTM_DELLINK: 571f545923bSNikolay Aleksandrov return RTM_DELVLAN; 572f545923bSNikolay Aleksandrov } 573f545923bSNikolay Aleksandrov 574f545923bSNikolay Aleksandrov return 0; 575f545923bSNikolay Aleksandrov } 576f545923bSNikolay Aleksandrov 577ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 578ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 579ae75767eSNikolay Aleksandrov { 580ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 581ae75767eSNikolay Aleksandrov } 582ae75767eSNikolay Aleksandrov 583a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 584a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 585a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 586a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 587a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 588a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 589a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 590a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 591ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 592ae75767eSNikolay Aleksandrov 5931da177e4SLinus Torvalds /* br_device.c */ 594348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 595348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 596348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 597cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 59891d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 59991d2c34aSHerbert Xu struct sk_buff *skb) 60091d2c34aSHerbert Xu { 601f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 60291d2c34aSHerbert Xu } 60391d2c34aSHerbert Xu 604a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 605348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 60691d2c34aSHerbert Xu #else 6079f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 60891d2c34aSHerbert Xu struct sk_buff *skb) 60991d2c34aSHerbert Xu { 61091d2c34aSHerbert Xu } 61191d2c34aSHerbert Xu 612a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 61391d2c34aSHerbert Xu { 61491d2c34aSHerbert Xu return 0; 61591d2c34aSHerbert Xu } 61691d2c34aSHerbert Xu 61791d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 61891d2c34aSHerbert Xu { 61991d2c34aSHerbert Xu } 620cfb478daSstephen hemminger #endif 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds /* br_fdb.c */ 623348662a1SJoe Perches int br_fdb_init(void); 624348662a1SJoe Perches void br_fdb_fini(void); 625eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 626eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 627348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 628424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 629424bb9c9SToshiaki Makita const struct net_bridge_port *p, 630424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 631348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 632348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 633f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 634348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 6351ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 636bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 637bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 638bfd0aeacSNikolay Aleksandrov __u16 vid); 639348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 640348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 641348662a1SJoe Perches unsigned long off); 642348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 643348662a1SJoe Perches const unsigned char *addr, u16 vid); 644348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 645be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 64677162022SJohn Fastabend 647348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 648f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 649348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 65087b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 65187b0984eSPetr Machata struct netlink_ext_ack *extack); 652348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 653d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 65447674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 65547674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 65647674562SRoopa Prabhu struct netlink_ext_ack *extack); 6578db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 6588db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 6593aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 660161d82deSPetr Machata const unsigned char *addr, u16 vid, 661161d82deSPetr Machata bool swdev_notify); 6623aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 663161d82deSPetr Machata const unsigned char *addr, u16 vid, 664161d82deSPetr Machata bool swdev_notify); 6659fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 666e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds /* br_forward.c */ 6698addd5e7SNikolay Aleksandrov enum br_pkt_type { 6708addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 6718addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 6728addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 6738addd5e7SNikolay Aleksandrov }; 6740c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 675b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 67637b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 6770c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 67837b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 6798addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 6801da177e4SLinus Torvalds 6817d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 6827d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 6837d850abdSNikolay Aleksandrov const struct sk_buff *skb) 6847d850abdSNikolay Aleksandrov { 6857d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 6867d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 6877d850abdSNikolay Aleksandrov } 6887d850abdSNikolay Aleksandrov 6891da177e4SLinus Torvalds /* br_if.c */ 690faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 691348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 692348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 693ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 694ca752be0SDavid Ahern struct netlink_ext_ack *extack); 695348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 696804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 697348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 698c8f44affSMichał Mirosław netdev_features_t features); 699e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7002796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7012756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7021da177e4SLinus Torvalds 7031da177e4SLinus Torvalds /* br_input.c */ 7040c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 705348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 7061da177e4SLinus Torvalds 707859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 708859828c0SJiri Pirko { 709859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 710859828c0SJiri Pirko } 711859828c0SJiri Pirko 7124d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 7134d4fd361SPetr Machata { 7144d4fd361SPetr Machata return rcu_dereference_rtnl(dev->rx_handler) == br_handle_frame; 7154d4fd361SPetr Machata } 7164d4fd361SPetr Machata 717859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 718859828c0SJiri Pirko { 719859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 720859828c0SJiri Pirko } 721859828c0SJiri Pirko 7224d4fd361SPetr Machata static inline struct net_bridge_port * 7234d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 7244d4fd361SPetr Machata { 7254d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 7264d4fd361SPetr Machata } 7274d4fd361SPetr Machata 7281da177e4SLinus Torvalds /* br_ioctl.c */ 729348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 730348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 731348662a1SJoe Perches void __user *arg); 7321da177e4SLinus Torvalds 733eb1d1641SHerbert Xu /* br_multicast.c */ 734eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 735348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 736fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 737348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 738eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 7391080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 740348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 741348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 742348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 743348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 744348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 745348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 746e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 74737b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 74837b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 749348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 750348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 751348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 752348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 753348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 7545e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 755aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 756aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 757aa2ae3e7SNikolay Aleksandrov #endif 758348662a1SJoe Perches struct net_bridge_mdb_entry * 75919e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 760348662a1SJoe Perches struct net_bridge_mdb_entry * 76119e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 762348662a1SJoe Perches struct net_bridge_port_group * 763348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 764762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 7656db6f0eaSFelix Fietkau unsigned char flags, const unsigned char *src); 76619e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 76719e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 76845ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 76945ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 770949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 771949f1e39SSatish Ashok int type); 7721080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 773a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 7741080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 775b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 7761080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 7771080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 7781080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 77919e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 78019e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 7811bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 7821bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 78385b35269SSridhar Samudrala 784cfd56754SCong Wang #define mlock_dereference(X, br) \ 785cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 786cfd56754SCong Wang 78785b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 78885b35269SSridhar Samudrala { 78985b35269SSridhar Samudrala return br->multicast_router == 2 || 79085b35269SSridhar Samudrala (br->multicast_router == 1 && 79185b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 79285b35269SSridhar Samudrala } 793b00589afSLinus Lüssing 794cc0fdd80SLinus Lüssing static inline bool 795cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 7960888d5f3Sdaniel struct bridge_mcast_other_query *querier, 7970888d5f3Sdaniel const bool is_ipv6) 798b00589afSLinus Lüssing { 7990888d5f3Sdaniel bool own_querier_enabled; 8000888d5f3Sdaniel 801675779adSNikolay Aleksandrov if (br_opt_get(br, BROPT_MULTICAST_QUERIER)) { 802675779adSNikolay Aleksandrov if (is_ipv6 && !br_opt_get(br, BROPT_HAS_IPV6_ADDR)) 8030888d5f3Sdaniel own_querier_enabled = false; 8040888d5f3Sdaniel else 8050888d5f3Sdaniel own_querier_enabled = true; 8060888d5f3Sdaniel } else { 8070888d5f3Sdaniel own_querier_enabled = false; 8080888d5f3Sdaniel } 8090888d5f3Sdaniel 810cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 8110888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 812cc0fdd80SLinus Lüssing } 813cc0fdd80SLinus Lüssing 814cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 815cc0fdd80SLinus Lüssing struct ethhdr *eth) 816cc0fdd80SLinus Lüssing { 817cc0fdd80SLinus Lüssing switch (eth->h_proto) { 818cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 8190888d5f3Sdaniel return __br_multicast_querier_exists(br, 8200888d5f3Sdaniel &br->ip4_other_query, false); 821cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 822cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 8230888d5f3Sdaniel return __br_multicast_querier_exists(br, 8240888d5f3Sdaniel &br->ip6_other_query, true); 825cc0fdd80SLinus Lüssing #endif 826cc0fdd80SLinus Lüssing default: 827cc0fdd80SLinus Lüssing return false; 828cc0fdd80SLinus Lüssing } 829b00589afSLinus Lüssing } 8301080ab95SNikolay Aleksandrov 8311080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 8321080ab95SNikolay Aleksandrov { 8331080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 8341080ab95SNikolay Aleksandrov } 835eb1d1641SHerbert Xu #else 836eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 837eb1d1641SHerbert Xu struct net_bridge_port *port, 83806499098SVlad Yasevich struct sk_buff *skb, 83906499098SVlad Yasevich u16 vid) 840eb1d1641SHerbert Xu { 841eb1d1641SHerbert Xu return 0; 842eb1d1641SHerbert Xu } 843eb1d1641SHerbert Xu 844eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 845fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 846eb1d1641SHerbert Xu { 847eb1d1641SHerbert Xu return NULL; 848eb1d1641SHerbert Xu } 849eb1d1641SHerbert Xu 8501080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 851eb1d1641SHerbert Xu { 8521080ab95SNikolay Aleksandrov return 0; 853eb1d1641SHerbert Xu } 854eb1d1641SHerbert Xu 855eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 856eb1d1641SHerbert Xu { 857eb1d1641SHerbert Xu } 858eb1d1641SHerbert Xu 859eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 860eb1d1641SHerbert Xu { 861eb1d1641SHerbert Xu } 862eb1d1641SHerbert Xu 863eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 864eb1d1641SHerbert Xu { 865eb1d1641SHerbert Xu } 866eb1d1641SHerbert Xu 867eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 868eb1d1641SHerbert Xu { 869eb1d1641SHerbert Xu } 870eb1d1641SHerbert Xu 871eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 872eb1d1641SHerbert Xu { 873eb1d1641SHerbert Xu } 874eb1d1641SHerbert Xu 875eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 876eb1d1641SHerbert Xu { 877eb1d1641SHerbert Xu } 8785cb5e947SHerbert Xu 879a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 880a7ce45a7SNikolay Aleksandrov { 881a7ce45a7SNikolay Aleksandrov } 882a7ce45a7SNikolay Aleksandrov 88337b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 88437b090e6SNikolay Aleksandrov struct sk_buff *skb, 88537b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 8865cb5e947SHerbert Xu { 8875cb5e947SHerbert Xu } 8885cb5e947SHerbert Xu 889eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 890eb1d1641SHerbert Xu { 89103aaa9e2SGustavo A. R. Silva return false; 892eb1d1641SHerbert Xu } 89337b090e6SNikolay Aleksandrov 894cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 895cc0fdd80SLinus Lüssing struct ethhdr *eth) 896b00589afSLinus Lüssing { 897b00589afSLinus Lüssing return false; 898b00589afSLinus Lüssing } 89937b090e6SNikolay Aleksandrov 900fdb184d1SRami Rosen static inline void br_mdb_init(void) 901fdb184d1SRami Rosen { 902fdb184d1SRami Rosen } 90337b090e6SNikolay Aleksandrov 904fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 905fdb184d1SRami Rosen { 906fdb184d1SRami Rosen } 9071080ab95SNikolay Aleksandrov 90819e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 90919e3a9c9SNikolay Aleksandrov { 91019e3a9c9SNikolay Aleksandrov return 0; 91119e3a9c9SNikolay Aleksandrov } 91219e3a9c9SNikolay Aleksandrov 91319e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 91419e3a9c9SNikolay Aleksandrov { 91519e3a9c9SNikolay Aleksandrov } 91619e3a9c9SNikolay Aleksandrov 9171080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 9181080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 919a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 920a65056ecSNikolay Aleksandrov u8 type, u8 dir) 9211080ab95SNikolay Aleksandrov { 9221080ab95SNikolay Aleksandrov } 9231080ab95SNikolay Aleksandrov 9241080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 9251080ab95SNikolay Aleksandrov { 9261080ab95SNikolay Aleksandrov return 0; 9271080ab95SNikolay Aleksandrov } 9281080ab95SNikolay Aleksandrov 929b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 930b6fe0440SIdo Schimmel { 931b6fe0440SIdo Schimmel } 932b6fe0440SIdo Schimmel 9331080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 9341080ab95SNikolay Aleksandrov { 9351080ab95SNikolay Aleksandrov return 0; 9361080ab95SNikolay Aleksandrov } 93785b35269SSridhar Samudrala #endif 938eb1d1641SHerbert Xu 939243a2e63SVlad Yasevich /* br_vlan.c */ 940243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 94177751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 94277751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 943a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 94477751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 94585f46c6bSVlad Yasevich const struct sk_buff *skb); 946e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 947348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 94811538d03SRoopa Prabhu const struct net_bridge_port *port, 9492594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 95078851988SVlad Yasevich struct sk_buff *skb); 951f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 952169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 953348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 954348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 9552594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 956204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 957a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 958348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 959d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 960204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 9616dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 9629163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 9635be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 96496a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 965169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 966169327d5SPetr Machata struct netlink_ext_ack *extack); 967f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 968169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 969348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 970348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 971169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 9722594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 973a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 974a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 9759c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 976091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 9779c0ec2e7SMike Manning void *ptr); 9788dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 9798dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 980cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 981cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 982cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 983cf5bddb9SNikolay Aleksandrov int cmd); 984a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 985a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 986a37b85c9SVlad Yasevich 9872594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 988a37b85c9SVlad Yasevich const struct net_bridge *br) 989a37b85c9SVlad Yasevich { 990907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 991a37b85c9SVlad Yasevich } 992a37b85c9SVlad Yasevich 9932594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 994a37b85c9SVlad Yasevich const struct net_bridge_port *p) 995a37b85c9SVlad Yasevich { 996907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 997907b1e6eSNikolay Aleksandrov } 998907b1e6eSNikolay Aleksandrov 999907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1000907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1001907b1e6eSNikolay Aleksandrov { 1002907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1003907b1e6eSNikolay Aleksandrov } 1004907b1e6eSNikolay Aleksandrov 1005907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1006907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1007907b1e6eSNikolay Aleksandrov { 1008907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1009a37b85c9SVlad Yasevich } 1010a37b85c9SVlad Yasevich 1011a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1012a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1013a37b85c9SVlad Yasevich */ 1014a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1015a37b85c9SVlad Yasevich { 1016a37b85c9SVlad Yasevich int err = 0; 1017a37b85c9SVlad Yasevich 10182594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 10195978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 10202594e906SNikolay Aleksandrov } else { 1021a37b85c9SVlad Yasevich *vid = 0; 1022a37b85c9SVlad Yasevich err = -EINVAL; 1023a37b85c9SVlad Yasevich } 1024a37b85c9SVlad Yasevich 1025a37b85c9SVlad Yasevich return err; 1026a37b85c9SVlad Yasevich } 102778851988SVlad Yasevich 102877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 102978851988SVlad Yasevich { 103077751ee8SNikolay Aleksandrov if (!vg) 10315be5a2dfSVlad Yasevich return 0; 10325be5a2dfSVlad Yasevich 103378851988SVlad Yasevich smp_rmb(); 103477751ee8SNikolay Aleksandrov return vg->pvid; 103578851988SVlad Yasevich } 103678851988SVlad Yasevich 10378dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 10388dcea187SNikolay Aleksandrov { 10398dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 10408dcea187SNikolay Aleksandrov } 1041243a2e63SVlad Yasevich #else 104277751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 104377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 10442594e906SNikolay Aleksandrov struct sk_buff *skb, 1045a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 10462594e906SNikolay Aleksandrov { 10472594e906SNikolay Aleksandrov return true; 10482594e906SNikolay Aleksandrov } 10492594e906SNikolay Aleksandrov 10502594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 105185f46c6bSVlad Yasevich const struct sk_buff *skb) 105285f46c6bSVlad Yasevich { 105385f46c6bSVlad Yasevich return true; 105485f46c6bSVlad Yasevich } 105585f46c6bSVlad Yasevich 1056e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1057e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1058e0d7968aSToshiaki Makita { 1059e0d7968aSToshiaki Makita return true; 1060e0d7968aSToshiaki Makita } 1061e0d7968aSToshiaki Makita 106278851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 106311538d03SRoopa Prabhu const struct net_bridge_port *port, 10642594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 106578851988SVlad Yasevich struct sk_buff *skb) 106678851988SVlad Yasevich { 106778851988SVlad Yasevich return skb; 106878851988SVlad Yasevich } 106978851988SVlad Yasevich 1070f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1071169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1072243a2e63SVlad Yasevich { 1073f418af63SNikolay Aleksandrov *changed = false; 1074243a2e63SVlad Yasevich return -EOPNOTSUPP; 1075243a2e63SVlad Yasevich } 1076243a2e63SVlad Yasevich 1077243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1078243a2e63SVlad Yasevich { 1079243a2e63SVlad Yasevich return -EOPNOTSUPP; 1080243a2e63SVlad Yasevich } 1081243a2e63SVlad Yasevich 1082243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1083243a2e63SVlad Yasevich { 1084243a2e63SVlad Yasevich } 1085243a2e63SVlad Yasevich 1086204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1087204177f3SToshiaki Makita { 1088204177f3SToshiaki Makita } 1089204177f3SToshiaki Makita 10905be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 10918580e211SToshiaki Makita { 10925be5a2dfSVlad Yasevich return 0; 10938580e211SToshiaki Makita } 10948580e211SToshiaki Makita 1095f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1096169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1097243a2e63SVlad Yasevich { 1098f418af63SNikolay Aleksandrov *changed = false; 1099243a2e63SVlad Yasevich return -EOPNOTSUPP; 1100243a2e63SVlad Yasevich } 1101243a2e63SVlad Yasevich 1102243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1103243a2e63SVlad Yasevich { 1104243a2e63SVlad Yasevich return -EOPNOTSUPP; 1105243a2e63SVlad Yasevich } 1106243a2e63SVlad Yasevich 1107243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1108243a2e63SVlad Yasevich { 1109243a2e63SVlad Yasevich } 1110243a2e63SVlad Yasevich 11112594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 11122594e906SNikolay Aleksandrov u16 vid) 1113a37b85c9SVlad Yasevich { 1114a37b85c9SVlad Yasevich return NULL; 1115a37b85c9SVlad Yasevich } 1116bc9a25d2SVlad Yasevich 1117169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1118169327d5SPetr Machata struct netlink_ext_ack *extack) 11195be5a2dfSVlad Yasevich { 11205be5a2dfSVlad Yasevich return 0; 11215be5a2dfSVlad Yasevich } 11225be5a2dfSVlad Yasevich 112378851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1124a37b85c9SVlad Yasevich { 1125a37b85c9SVlad Yasevich return 0; 1126a37b85c9SVlad Yasevich } 11272594e906SNikolay Aleksandrov 112877751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 112978851988SVlad Yasevich { 11303df6bf45SVlad Yasevich return 0; 113178851988SVlad Yasevich } 11322796d0c6SVlad Yasevich 1133a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 1134a7854037SNikolay Aleksandrov unsigned long val) 1135a7854037SNikolay Aleksandrov { 1136a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1137a7854037SNikolay Aleksandrov } 11382594e906SNikolay Aleksandrov 11392594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 11402594e906SNikolay Aleksandrov u32 filter_mask) 11412594e906SNikolay Aleksandrov { 11422594e906SNikolay Aleksandrov return 0; 11432594e906SNikolay Aleksandrov } 11442594e906SNikolay Aleksandrov 11452594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 11462594e906SNikolay Aleksandrov const struct net_bridge *br) 11472594e906SNikolay Aleksandrov { 11482594e906SNikolay Aleksandrov return NULL; 11492594e906SNikolay Aleksandrov } 11502594e906SNikolay Aleksandrov 11512594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 11522594e906SNikolay Aleksandrov const struct net_bridge_port *p) 11532594e906SNikolay Aleksandrov { 11542594e906SNikolay Aleksandrov return NULL; 11552594e906SNikolay Aleksandrov } 1156907b1e6eSNikolay Aleksandrov 1157907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1158907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1159907b1e6eSNikolay Aleksandrov { 1160907b1e6eSNikolay Aleksandrov return NULL; 1161907b1e6eSNikolay Aleksandrov } 1162907b1e6eSNikolay Aleksandrov 1163907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1164907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1165907b1e6eSNikolay Aleksandrov { 1166907b1e6eSNikolay Aleksandrov return NULL; 1167907b1e6eSNikolay Aleksandrov } 1168a60c0903SNikolay Aleksandrov 1169a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1170a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 1171a60c0903SNikolay Aleksandrov { 1172a60c0903SNikolay Aleksandrov } 11739c0ec2e7SMike Manning 11749c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 11759c0ec2e7SMike Manning unsigned long event) 11769c0ec2e7SMike Manning { 11779c0ec2e7SMike Manning } 11789c0ec2e7SMike Manning 1179091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 11809c0ec2e7SMike Manning unsigned long event, void *ptr) 11819c0ec2e7SMike Manning { 1182091adf9bSNikolay Aleksandrov return 0; 11839c0ec2e7SMike Manning } 11848dcea187SNikolay Aleksandrov 11858dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 11868dcea187SNikolay Aleksandrov { 11878dcea187SNikolay Aleksandrov } 11888dcea187SNikolay Aleksandrov 11898dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 11908dcea187SNikolay Aleksandrov { 11918dcea187SNikolay Aleksandrov } 1192cf5bddb9SNikolay Aleksandrov 1193cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1194cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1195cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1196cf5bddb9SNikolay Aleksandrov int cmd) 1197cf5bddb9SNikolay Aleksandrov { 1198cf5bddb9SNikolay Aleksandrov } 1199243a2e63SVlad Yasevich #endif 1200243a2e63SVlad Yasevich 12017a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 12027a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 120399f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 120499f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 12057a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 12067a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1207a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1208a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1209a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1210a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1211a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1212a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1213a580c76dSNikolay Aleksandrov 1214a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1215a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1216a580c76dSNikolay Aleksandrov { 1217a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1218a580c76dSNikolay Aleksandrov } 1219a580c76dSNikolay Aleksandrov 1220a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1221a580c76dSNikolay Aleksandrov { 1222a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1223a580c76dSNikolay Aleksandrov } 1224a580c76dSNikolay Aleksandrov 1225a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1226a580c76dSNikolay Aleksandrov { 1227a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1228a580c76dSNikolay Aleksandrov } 1229a580c76dSNikolay Aleksandrov 1230a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1231a580c76dSNikolay Aleksandrov u8 state) 1232a580c76dSNikolay Aleksandrov { 1233a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1234a580c76dSNikolay Aleksandrov } 1235a580c76dSNikolay Aleksandrov 1236a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1237a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1238a580c76dSNikolay Aleksandrov { 1239a580c76dSNikolay Aleksandrov switch (state) { 1240a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1241a580c76dSNikolay Aleksandrov return learn_allow; 1242a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1243a580c76dSNikolay Aleksandrov return true; 1244a580c76dSNikolay Aleksandrov default: 1245a580c76dSNikolay Aleksandrov return false; 1246a580c76dSNikolay Aleksandrov } 1247a580c76dSNikolay Aleksandrov } 12487a53e718SNikolay Aleksandrov #endif 12497a53e718SNikolay Aleksandrov 12501a4ba64dSPablo Neira Ayuso struct nf_br_ops { 12511a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 12521a4ba64dSPablo Neira Ayuso }; 12531a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 12541a4ba64dSPablo Neira Ayuso 12551da177e4SLinus Torvalds /* br_netfilter.c */ 125634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 125734666d46SPablo Neira Ayuso int br_nf_core_init(void); 125834666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1259348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1260c0909713SStephen Hemminger #else 126134666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 126234666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 12634adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1264c0909713SStephen Hemminger #endif 12651da177e4SLinus Torvalds 12661da177e4SLinus Torvalds /* br_stp.c */ 1267775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1268348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1269348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1270348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 12711da177e4SLinus Torvalds 1272348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1273348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1274348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1275348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 127682dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 12779e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 127814f98f25Sstephen hemminger 127914f98f25Sstephen hemminger 12801da177e4SLinus Torvalds /* br_stp_if.c */ 1281348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1282348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1283419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1284419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1285348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1286348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1287348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1288348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1289348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1290348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1291348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1292348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvalds /* br_stp_bpdu.c */ 12957c85fbf0SPatrick McHardy struct stp_proto; 1296348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 12977c85fbf0SPatrick McHardy struct net_device *dev); 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvalds /* br_stp_timer.c */ 1300348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1301348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1302348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvalds /* br.c */ 1305e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1306da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1307da678292SMichał Mirosław #endif 13081da177e4SLinus Torvalds 130965369933SHoratiu Vultur /* br_mrp.c */ 131065369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 131165369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 131265369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 131365369933SHoratiu Vultur int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb); 131465369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 131565369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 131665369933SHoratiu Vultur #else 131765369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 131865369933SHoratiu Vultur struct nlattr *attr, int cmd, 131965369933SHoratiu Vultur struct netlink_ext_ack *extack) 132065369933SHoratiu Vultur { 132165369933SHoratiu Vultur return -EOPNOTSUPP; 132265369933SHoratiu Vultur } 132365369933SHoratiu Vultur 132465369933SHoratiu Vultur static inline int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb) 132565369933SHoratiu Vultur { 132665369933SHoratiu Vultur return 0; 132765369933SHoratiu Vultur } 132865369933SHoratiu Vultur 132965369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 133065369933SHoratiu Vultur { 13318741e184SJason Yan return false; 133265369933SHoratiu Vultur } 133365369933SHoratiu Vultur 133465369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 133565369933SHoratiu Vultur struct net_bridge_port *p) 133665369933SHoratiu Vultur { 133765369933SHoratiu Vultur } 133865369933SHoratiu Vultur #endif 133965369933SHoratiu Vultur 134011dc1f36SStephen Hemminger /* br_netlink.c */ 1341149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1342348662a1SJoe Perches int br_netlink_init(void); 1343348662a1SJoe Perches void br_netlink_fini(void); 134492899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 134592899063SNikolay Aleksandrov const struct net_bridge_port *port); 13462fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 13472fd527b7SPetr Machata struct netlink_ext_ack *extack); 1348add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1349348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 135046c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1351f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1352f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1353f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1354f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1355f26b2965SNikolay Aleksandrov bool *changed, 1356f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 135711dc1f36SStephen Hemminger 13581da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 13591da177e4SLinus Torvalds /* br_sysfs_if.c */ 136052cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1361348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1362348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvalds /* br_sysfs_br.c */ 1365348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1366348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 13671da177e4SLinus Torvalds 13681da177e4SLinus Torvalds #else 13691da177e4SLinus Torvalds 13700cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 13710cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 13720cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 13730cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 13741da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 13751da177e4SLinus Torvalds 13766bc506b4SIdo Schimmel /* br_switchdev.c */ 13776bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 13786bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 13796bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 13806bc506b4SIdo Schimmel struct sk_buff *skb); 13816bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 13826bc506b4SIdo Schimmel const struct sk_buff *skb); 13833922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 13843922285dSArkadi Sharshevsky unsigned long flags, 13853922285dSArkadi Sharshevsky unsigned long mask); 13866b26b51bSArkadi Sharshevsky void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, 13876b26b51bSArkadi Sharshevsky int type); 1388169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1389169327d5SPetr Machata struct netlink_ext_ack *extack); 1390d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1391f1c2eddfSIdo Schimmel 1392f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1393f1c2eddfSIdo Schimmel { 1394f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1395f1c2eddfSIdo Schimmel } 13966bc506b4SIdo Schimmel #else 13976bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 13986bc506b4SIdo Schimmel { 13996bc506b4SIdo Schimmel return 0; 14006bc506b4SIdo Schimmel } 14016bc506b4SIdo Schimmel 14026bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 14036bc506b4SIdo Schimmel struct sk_buff *skb) 14046bc506b4SIdo Schimmel { 14056bc506b4SIdo Schimmel } 14066bc506b4SIdo Schimmel 14076bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 14086bc506b4SIdo Schimmel const struct sk_buff *skb) 14096bc506b4SIdo Schimmel { 14106bc506b4SIdo Schimmel return true; 14116bc506b4SIdo Schimmel } 14123922285dSArkadi Sharshevsky 14133922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 14143922285dSArkadi Sharshevsky unsigned long flags, 14153922285dSArkadi Sharshevsky unsigned long mask) 14163922285dSArkadi Sharshevsky { 14173922285dSArkadi Sharshevsky return 0; 14183922285dSArkadi Sharshevsky } 14196b26b51bSArkadi Sharshevsky 1420d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1421169327d5SPetr Machata u16 vid, u16 flags, 1422169327d5SPetr Machata struct netlink_ext_ack *extack) 1423d66e4348SPetr Machata { 1424d66e4348SPetr Machata return -EOPNOTSUPP; 1425d66e4348SPetr Machata } 1426d66e4348SPetr Machata 1427d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1428d66e4348SPetr Machata { 1429d66e4348SPetr Machata return -EOPNOTSUPP; 1430d66e4348SPetr Machata } 1431d66e4348SPetr Machata 14326b26b51bSArkadi Sharshevsky static inline void 14336b26b51bSArkadi Sharshevsky br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) 14346b26b51bSArkadi Sharshevsky { 14356b26b51bSArkadi Sharshevsky } 1436f1c2eddfSIdo Schimmel 1437f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1438f1c2eddfSIdo Schimmel { 1439f1c2eddfSIdo Schimmel } 14406bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 14416bc506b4SIdo Schimmel 1442057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1443821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1444057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1445057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1446ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1447ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1448ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 14491da177e4SLinus Torvalds #endif 1450