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; 4311da177e4SLinus Torvalds }; 4321da177e4SLinus Torvalds 43368b7c895SHerbert Xu struct br_input_skb_cb { 43468b7c895SHerbert Xu struct net_device *brdev; 43593fdd47eSHerbert Xu 4363c171f49SPablo Neira Ayuso u16 frag_max_size; 43732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 438f12064d1SFlorian Westphal u8 igmp; 439f12064d1SFlorian Westphal u8 mrouters_only:1; 44032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 441f12064d1SFlorian Westphal u8 proxyarp_replied:1; 442f12064d1SFlorian Westphal u8 src_port_isolated:1; 44320adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 444f12064d1SFlorian Westphal u8 vlan_filtered:1; 44520adfa1aSVlad Yasevich #endif 446223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 447223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 448223fd0adSFlorian Westphal #endif 4496bc506b4SIdo Schimmel 4506bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4516bc506b4SIdo Schimmel int offload_fwd_mark; 4526bc506b4SIdo Schimmel #endif 45368b7c895SHerbert Xu }; 45468b7c895SHerbert Xu 45568b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 45668b7c895SHerbert Xu 45732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 45832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 45932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 46032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 46132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 46232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 46328a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 46428a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 46528a16c97Sstephen hemminger 46628a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 46728a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 46828a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 46928a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 47028a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 47128a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 47228a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 47328a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 47428a16c97Sstephen hemminger 47528a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 47628a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 47728a16c97Sstephen hemminger 4781da177e4SLinus Torvalds /* called under bridge lock */ 4791da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4801da177e4SLinus Torvalds { 4811da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4821da177e4SLinus Torvalds } 4831da177e4SLinus Torvalds 4842594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4852594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4862594e906SNikolay Aleksandrov { 4872594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4882594e906SNikolay Aleksandrov } 4892594e906SNikolay Aleksandrov 4902594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4912594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4922594e906SNikolay Aleksandrov { 4932594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4942594e906SNikolay Aleksandrov } 4952594e906SNikolay Aleksandrov 4966be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 4972594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 4982594e906SNikolay Aleksandrov { 4992594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5002594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5012594e906SNikolay Aleksandrov return true; 5022594e906SNikolay Aleksandrov else 5032594e906SNikolay Aleksandrov return false; 5042594e906SNikolay Aleksandrov } 5052594e906SNikolay Aleksandrov 5062594e906SNikolay Aleksandrov return true; 5072594e906SNikolay Aleksandrov } 5082594e906SNikolay Aleksandrov 5095d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5105d1fcaf3SNikolay Aleksandrov { 5115d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 5125d1fcaf3SNikolay Aleksandrov } 5135d1fcaf3SNikolay Aleksandrov 5148f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 5155a46facbSNikolay Aleksandrov { 5168f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 5178f4cc940SNikolay Aleksandrov 5188f4cc940SNikolay Aleksandrov if (!ret) 5198f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 5208f4cc940SNikolay Aleksandrov 5218f4cc940SNikolay Aleksandrov return ret; 5225a46facbSNikolay Aleksandrov } 5235a46facbSNikolay Aleksandrov 5245a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 5258f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 5268f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 5275a46facbSNikolay Aleksandrov { 5285a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 5298f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 5308f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 5315a46facbSNikolay Aleksandrov return false; 5328f4cc940SNikolay Aleksandrov } 5335a46facbSNikolay Aleksandrov 5345a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 5355a46facbSNikolay Aleksandrov * - it has range start flag 5365a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 5375a46facbSNikolay Aleksandrov */ 5385a46facbSNikolay Aleksandrov if (last) { 5398f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 5408f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 5415a46facbSNikolay Aleksandrov return false; 5428f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 5438f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 5448f4cc940SNikolay Aleksandrov return false; 5458f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 5468f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 5478f4cc940SNikolay Aleksandrov return false; 5488f4cc940SNikolay Aleksandrov } 5498f4cc940SNikolay Aleksandrov } 5508f4cc940SNikolay Aleksandrov 5518f4cc940SNikolay Aleksandrov /* check for required range flags */ 5528f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 5538f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 5548f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 5555a46facbSNikolay Aleksandrov return false; 5565a46facbSNikolay Aleksandrov } 5575a46facbSNikolay Aleksandrov 5585a46facbSNikolay Aleksandrov return true; 5595a46facbSNikolay Aleksandrov } 5605a46facbSNikolay Aleksandrov 561f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 562f545923bSNikolay Aleksandrov { 563f545923bSNikolay Aleksandrov switch (cmd) { 564f545923bSNikolay Aleksandrov case RTM_SETLINK: 565f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 566f545923bSNikolay Aleksandrov case RTM_DELLINK: 567f545923bSNikolay Aleksandrov return RTM_DELVLAN; 568f545923bSNikolay Aleksandrov } 569f545923bSNikolay Aleksandrov 570f545923bSNikolay Aleksandrov return 0; 571f545923bSNikolay Aleksandrov } 572f545923bSNikolay Aleksandrov 573ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 574ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 575ae75767eSNikolay Aleksandrov { 576ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 577ae75767eSNikolay Aleksandrov } 578ae75767eSNikolay Aleksandrov 579a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 580a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 581a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 582a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 583a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 584a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 585a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 586a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 587ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 588ae75767eSNikolay Aleksandrov 5891da177e4SLinus Torvalds /* br_device.c */ 590348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 591348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 592348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 593cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 59491d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 59591d2c34aSHerbert Xu struct sk_buff *skb) 59691d2c34aSHerbert Xu { 59791d2c34aSHerbert Xu struct netpoll *np = p->np; 59891d2c34aSHerbert Xu 59991d2c34aSHerbert Xu if (np) 60091d2c34aSHerbert Xu netpoll_send_skb(np, skb); 60191d2c34aSHerbert Xu } 60291d2c34aSHerbert Xu 603a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 604348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 60591d2c34aSHerbert Xu #else 6069f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 60791d2c34aSHerbert Xu struct sk_buff *skb) 60891d2c34aSHerbert Xu { 60991d2c34aSHerbert Xu } 61091d2c34aSHerbert Xu 611a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 61291d2c34aSHerbert Xu { 61391d2c34aSHerbert Xu return 0; 61491d2c34aSHerbert Xu } 61591d2c34aSHerbert Xu 61691d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 61791d2c34aSHerbert Xu { 61891d2c34aSHerbert Xu } 619cfb478daSstephen hemminger #endif 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds /* br_fdb.c */ 622348662a1SJoe Perches int br_fdb_init(void); 623348662a1SJoe Perches void br_fdb_fini(void); 624eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 625eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 626348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 627424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 628424bb9c9SToshiaki Makita const struct net_bridge_port *p, 629424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 630348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 631348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 632f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 633348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 6341ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 635bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 636bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 637bfd0aeacSNikolay Aleksandrov __u16 vid); 638348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 639348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 640348662a1SJoe Perches unsigned long off); 641348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 642348662a1SJoe Perches const unsigned char *addr, u16 vid); 643348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 644be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 64577162022SJohn Fastabend 646348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 647f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 648348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 64987b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 65087b0984eSPetr Machata struct netlink_ext_ack *extack); 651348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 652d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 65347674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 65447674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 65547674562SRoopa Prabhu struct netlink_ext_ack *extack); 6568db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 6578db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 6583aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 659161d82deSPetr Machata const unsigned char *addr, u16 vid, 660161d82deSPetr Machata bool swdev_notify); 6613aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 662161d82deSPetr Machata const unsigned char *addr, u16 vid, 663161d82deSPetr Machata bool swdev_notify); 6649fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 665e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds /* br_forward.c */ 6688addd5e7SNikolay Aleksandrov enum br_pkt_type { 6698addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 6708addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 6718addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 6728addd5e7SNikolay Aleksandrov }; 6730c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 674b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 67537b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 6760c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 67737b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 6788addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 6791da177e4SLinus Torvalds 6807d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 6817d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 6827d850abdSNikolay Aleksandrov const struct sk_buff *skb) 6837d850abdSNikolay Aleksandrov { 6847d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 6857d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 6867d850abdSNikolay Aleksandrov } 6877d850abdSNikolay Aleksandrov 6881da177e4SLinus Torvalds /* br_if.c */ 689faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 690348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 691348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 692ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 693ca752be0SDavid Ahern struct netlink_ext_ack *extack); 694348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 695804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 696348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 697c8f44affSMichał Mirosław netdev_features_t features); 698e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 6992796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7002756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7011da177e4SLinus Torvalds 7021da177e4SLinus Torvalds /* br_input.c */ 7030c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 704348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 7051da177e4SLinus Torvalds 706859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 707859828c0SJiri Pirko { 708859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 709859828c0SJiri Pirko } 710859828c0SJiri Pirko 7114d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 7124d4fd361SPetr Machata { 7134d4fd361SPetr Machata return rcu_dereference_rtnl(dev->rx_handler) == br_handle_frame; 7144d4fd361SPetr Machata } 7154d4fd361SPetr Machata 716859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 717859828c0SJiri Pirko { 718859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 719859828c0SJiri Pirko } 720859828c0SJiri Pirko 7214d4fd361SPetr Machata static inline struct net_bridge_port * 7224d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 7234d4fd361SPetr Machata { 7244d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 7254d4fd361SPetr Machata } 7264d4fd361SPetr Machata 7271da177e4SLinus Torvalds /* br_ioctl.c */ 728348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 729348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 730348662a1SJoe Perches void __user *arg); 7311da177e4SLinus Torvalds 732eb1d1641SHerbert Xu /* br_multicast.c */ 733eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 734348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 735fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 736348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 737eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 7381080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 739348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 740348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 741348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 742348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 743348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 744348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 745e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 74637b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 74737b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 748348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 749348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 750348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 751348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 752348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 7535e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 754aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 755aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 756aa2ae3e7SNikolay Aleksandrov #endif 757348662a1SJoe Perches struct net_bridge_mdb_entry * 75819e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 759348662a1SJoe Perches struct net_bridge_mdb_entry * 76019e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 761348662a1SJoe Perches struct net_bridge_port_group * 762348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 763762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 7646db6f0eaSFelix Fietkau unsigned char flags, const unsigned char *src); 76519e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 76619e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 76745ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 76845ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 769949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 770949f1e39SSatish Ashok int type); 7711080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 772a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 7731080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 774b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 7751080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 7761080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 7771080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 77819e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 77919e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 7801bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 7811bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 78285b35269SSridhar Samudrala 783cfd56754SCong Wang #define mlock_dereference(X, br) \ 784cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 785cfd56754SCong Wang 78685b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 78785b35269SSridhar Samudrala { 78885b35269SSridhar Samudrala return br->multicast_router == 2 || 78985b35269SSridhar Samudrala (br->multicast_router == 1 && 79085b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 79185b35269SSridhar Samudrala } 792b00589afSLinus Lüssing 793cc0fdd80SLinus Lüssing static inline bool 794cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 7950888d5f3Sdaniel struct bridge_mcast_other_query *querier, 7960888d5f3Sdaniel const bool is_ipv6) 797b00589afSLinus Lüssing { 7980888d5f3Sdaniel bool own_querier_enabled; 7990888d5f3Sdaniel 800675779adSNikolay Aleksandrov if (br_opt_get(br, BROPT_MULTICAST_QUERIER)) { 801675779adSNikolay Aleksandrov if (is_ipv6 && !br_opt_get(br, BROPT_HAS_IPV6_ADDR)) 8020888d5f3Sdaniel own_querier_enabled = false; 8030888d5f3Sdaniel else 8040888d5f3Sdaniel own_querier_enabled = true; 8050888d5f3Sdaniel } else { 8060888d5f3Sdaniel own_querier_enabled = false; 8070888d5f3Sdaniel } 8080888d5f3Sdaniel 809cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 8100888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 811cc0fdd80SLinus Lüssing } 812cc0fdd80SLinus Lüssing 813cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 814cc0fdd80SLinus Lüssing struct ethhdr *eth) 815cc0fdd80SLinus Lüssing { 816cc0fdd80SLinus Lüssing switch (eth->h_proto) { 817cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 8180888d5f3Sdaniel return __br_multicast_querier_exists(br, 8190888d5f3Sdaniel &br->ip4_other_query, false); 820cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 821cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 8220888d5f3Sdaniel return __br_multicast_querier_exists(br, 8230888d5f3Sdaniel &br->ip6_other_query, true); 824cc0fdd80SLinus Lüssing #endif 825cc0fdd80SLinus Lüssing default: 826cc0fdd80SLinus Lüssing return false; 827cc0fdd80SLinus Lüssing } 828b00589afSLinus Lüssing } 8291080ab95SNikolay Aleksandrov 8301080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 8311080ab95SNikolay Aleksandrov { 8321080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 8331080ab95SNikolay Aleksandrov } 834eb1d1641SHerbert Xu #else 835eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 836eb1d1641SHerbert Xu struct net_bridge_port *port, 83706499098SVlad Yasevich struct sk_buff *skb, 83806499098SVlad Yasevich u16 vid) 839eb1d1641SHerbert Xu { 840eb1d1641SHerbert Xu return 0; 841eb1d1641SHerbert Xu } 842eb1d1641SHerbert Xu 843eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 844fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 845eb1d1641SHerbert Xu { 846eb1d1641SHerbert Xu return NULL; 847eb1d1641SHerbert Xu } 848eb1d1641SHerbert Xu 8491080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 850eb1d1641SHerbert Xu { 8511080ab95SNikolay Aleksandrov return 0; 852eb1d1641SHerbert Xu } 853eb1d1641SHerbert Xu 854eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 855eb1d1641SHerbert Xu { 856eb1d1641SHerbert Xu } 857eb1d1641SHerbert Xu 858eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 859eb1d1641SHerbert Xu { 860eb1d1641SHerbert Xu } 861eb1d1641SHerbert Xu 862eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 863eb1d1641SHerbert Xu { 864eb1d1641SHerbert Xu } 865eb1d1641SHerbert Xu 866eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 867eb1d1641SHerbert Xu { 868eb1d1641SHerbert Xu } 869eb1d1641SHerbert Xu 870eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 871eb1d1641SHerbert Xu { 872eb1d1641SHerbert Xu } 873eb1d1641SHerbert Xu 874eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 875eb1d1641SHerbert Xu { 876eb1d1641SHerbert Xu } 8775cb5e947SHerbert Xu 878a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 879a7ce45a7SNikolay Aleksandrov { 880a7ce45a7SNikolay Aleksandrov } 881a7ce45a7SNikolay Aleksandrov 88237b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 88337b090e6SNikolay Aleksandrov struct sk_buff *skb, 88437b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 8855cb5e947SHerbert Xu { 8865cb5e947SHerbert Xu } 8875cb5e947SHerbert Xu 888eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 889eb1d1641SHerbert Xu { 89003aaa9e2SGustavo A. R. Silva return false; 891eb1d1641SHerbert Xu } 89237b090e6SNikolay Aleksandrov 893cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 894cc0fdd80SLinus Lüssing struct ethhdr *eth) 895b00589afSLinus Lüssing { 896b00589afSLinus Lüssing return false; 897b00589afSLinus Lüssing } 89837b090e6SNikolay Aleksandrov 899fdb184d1SRami Rosen static inline void br_mdb_init(void) 900fdb184d1SRami Rosen { 901fdb184d1SRami Rosen } 90237b090e6SNikolay Aleksandrov 903fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 904fdb184d1SRami Rosen { 905fdb184d1SRami Rosen } 9061080ab95SNikolay Aleksandrov 90719e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 90819e3a9c9SNikolay Aleksandrov { 90919e3a9c9SNikolay Aleksandrov return 0; 91019e3a9c9SNikolay Aleksandrov } 91119e3a9c9SNikolay Aleksandrov 91219e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 91319e3a9c9SNikolay Aleksandrov { 91419e3a9c9SNikolay Aleksandrov } 91519e3a9c9SNikolay Aleksandrov 9161080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 9171080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 918a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 919a65056ecSNikolay Aleksandrov u8 type, u8 dir) 9201080ab95SNikolay Aleksandrov { 9211080ab95SNikolay Aleksandrov } 9221080ab95SNikolay Aleksandrov 9231080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 9241080ab95SNikolay Aleksandrov { 9251080ab95SNikolay Aleksandrov return 0; 9261080ab95SNikolay Aleksandrov } 9271080ab95SNikolay Aleksandrov 928b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 929b6fe0440SIdo Schimmel { 930b6fe0440SIdo Schimmel } 931b6fe0440SIdo Schimmel 9321080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 9331080ab95SNikolay Aleksandrov { 9341080ab95SNikolay Aleksandrov return 0; 9351080ab95SNikolay Aleksandrov } 93685b35269SSridhar Samudrala #endif 937eb1d1641SHerbert Xu 938243a2e63SVlad Yasevich /* br_vlan.c */ 939243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 94077751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 94177751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 942a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 94377751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 94485f46c6bSVlad Yasevich const struct sk_buff *skb); 945e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 946348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 94711538d03SRoopa Prabhu const struct net_bridge_port *port, 9482594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 94978851988SVlad Yasevich struct sk_buff *skb); 950f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 951169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 952348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 953348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 9542594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 955204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 956a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 957348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 958d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 959204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 9606dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 9619163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 9625be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 96396a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 964169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 965169327d5SPetr Machata struct netlink_ext_ack *extack); 966f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 967169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 968348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 969348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 970169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 9712594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 972a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 973a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 9749c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 975091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 9769c0ec2e7SMike Manning void *ptr); 9778dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 9788dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 979cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 980cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 981cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 982cf5bddb9SNikolay Aleksandrov int cmd); 983a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 984a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 985a37b85c9SVlad Yasevich 9862594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 987a37b85c9SVlad Yasevich const struct net_bridge *br) 988a37b85c9SVlad Yasevich { 989907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 990a37b85c9SVlad Yasevich } 991a37b85c9SVlad Yasevich 9922594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 993a37b85c9SVlad Yasevich const struct net_bridge_port *p) 994a37b85c9SVlad Yasevich { 995907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 996907b1e6eSNikolay Aleksandrov } 997907b1e6eSNikolay Aleksandrov 998907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 999907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1000907b1e6eSNikolay Aleksandrov { 1001907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1002907b1e6eSNikolay Aleksandrov } 1003907b1e6eSNikolay Aleksandrov 1004907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1005907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1006907b1e6eSNikolay Aleksandrov { 1007907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1008a37b85c9SVlad Yasevich } 1009a37b85c9SVlad Yasevich 1010a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1011a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1012a37b85c9SVlad Yasevich */ 1013a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1014a37b85c9SVlad Yasevich { 1015a37b85c9SVlad Yasevich int err = 0; 1016a37b85c9SVlad Yasevich 10172594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 10185978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 10192594e906SNikolay Aleksandrov } else { 1020a37b85c9SVlad Yasevich *vid = 0; 1021a37b85c9SVlad Yasevich err = -EINVAL; 1022a37b85c9SVlad Yasevich } 1023a37b85c9SVlad Yasevich 1024a37b85c9SVlad Yasevich return err; 1025a37b85c9SVlad Yasevich } 102678851988SVlad Yasevich 102777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 102878851988SVlad Yasevich { 102977751ee8SNikolay Aleksandrov if (!vg) 10305be5a2dfSVlad Yasevich return 0; 10315be5a2dfSVlad Yasevich 103278851988SVlad Yasevich smp_rmb(); 103377751ee8SNikolay Aleksandrov return vg->pvid; 103478851988SVlad Yasevich } 103578851988SVlad Yasevich 10368dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 10378dcea187SNikolay Aleksandrov { 10388dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 10398dcea187SNikolay Aleksandrov } 1040243a2e63SVlad Yasevich #else 104177751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 104277751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 10432594e906SNikolay Aleksandrov struct sk_buff *skb, 1044a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 10452594e906SNikolay Aleksandrov { 10462594e906SNikolay Aleksandrov return true; 10472594e906SNikolay Aleksandrov } 10482594e906SNikolay Aleksandrov 10492594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 105085f46c6bSVlad Yasevich const struct sk_buff *skb) 105185f46c6bSVlad Yasevich { 105285f46c6bSVlad Yasevich return true; 105385f46c6bSVlad Yasevich } 105485f46c6bSVlad Yasevich 1055e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1056e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1057e0d7968aSToshiaki Makita { 1058e0d7968aSToshiaki Makita return true; 1059e0d7968aSToshiaki Makita } 1060e0d7968aSToshiaki Makita 106178851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 106211538d03SRoopa Prabhu const struct net_bridge_port *port, 10632594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 106478851988SVlad Yasevich struct sk_buff *skb) 106578851988SVlad Yasevich { 106678851988SVlad Yasevich return skb; 106778851988SVlad Yasevich } 106878851988SVlad Yasevich 1069f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1070169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1071243a2e63SVlad Yasevich { 1072f418af63SNikolay Aleksandrov *changed = false; 1073243a2e63SVlad Yasevich return -EOPNOTSUPP; 1074243a2e63SVlad Yasevich } 1075243a2e63SVlad Yasevich 1076243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1077243a2e63SVlad Yasevich { 1078243a2e63SVlad Yasevich return -EOPNOTSUPP; 1079243a2e63SVlad Yasevich } 1080243a2e63SVlad Yasevich 1081243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1082243a2e63SVlad Yasevich { 1083243a2e63SVlad Yasevich } 1084243a2e63SVlad Yasevich 1085204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1086204177f3SToshiaki Makita { 1087204177f3SToshiaki Makita } 1088204177f3SToshiaki Makita 10895be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 10908580e211SToshiaki Makita { 10915be5a2dfSVlad Yasevich return 0; 10928580e211SToshiaki Makita } 10938580e211SToshiaki Makita 1094f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1095169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1096243a2e63SVlad Yasevich { 1097f418af63SNikolay Aleksandrov *changed = false; 1098243a2e63SVlad Yasevich return -EOPNOTSUPP; 1099243a2e63SVlad Yasevich } 1100243a2e63SVlad Yasevich 1101243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1102243a2e63SVlad Yasevich { 1103243a2e63SVlad Yasevich return -EOPNOTSUPP; 1104243a2e63SVlad Yasevich } 1105243a2e63SVlad Yasevich 1106243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1107243a2e63SVlad Yasevich { 1108243a2e63SVlad Yasevich } 1109243a2e63SVlad Yasevich 11102594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 11112594e906SNikolay Aleksandrov u16 vid) 1112a37b85c9SVlad Yasevich { 1113a37b85c9SVlad Yasevich return NULL; 1114a37b85c9SVlad Yasevich } 1115bc9a25d2SVlad Yasevich 1116169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1117169327d5SPetr Machata struct netlink_ext_ack *extack) 11185be5a2dfSVlad Yasevich { 11195be5a2dfSVlad Yasevich return 0; 11205be5a2dfSVlad Yasevich } 11215be5a2dfSVlad Yasevich 112278851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1123a37b85c9SVlad Yasevich { 1124a37b85c9SVlad Yasevich return 0; 1125a37b85c9SVlad Yasevich } 11262594e906SNikolay Aleksandrov 112777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 112878851988SVlad Yasevich { 11293df6bf45SVlad Yasevich return 0; 113078851988SVlad Yasevich } 11312796d0c6SVlad Yasevich 1132a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 1133a7854037SNikolay Aleksandrov unsigned long val) 1134a7854037SNikolay Aleksandrov { 1135a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1136a7854037SNikolay Aleksandrov } 11372594e906SNikolay Aleksandrov 11382594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 11392594e906SNikolay Aleksandrov u32 filter_mask) 11402594e906SNikolay Aleksandrov { 11412594e906SNikolay Aleksandrov return 0; 11422594e906SNikolay Aleksandrov } 11432594e906SNikolay Aleksandrov 11442594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 11452594e906SNikolay Aleksandrov const struct net_bridge *br) 11462594e906SNikolay Aleksandrov { 11472594e906SNikolay Aleksandrov return NULL; 11482594e906SNikolay Aleksandrov } 11492594e906SNikolay Aleksandrov 11502594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 11512594e906SNikolay Aleksandrov const struct net_bridge_port *p) 11522594e906SNikolay Aleksandrov { 11532594e906SNikolay Aleksandrov return NULL; 11542594e906SNikolay Aleksandrov } 1155907b1e6eSNikolay Aleksandrov 1156907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1157907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1158907b1e6eSNikolay Aleksandrov { 1159907b1e6eSNikolay Aleksandrov return NULL; 1160907b1e6eSNikolay Aleksandrov } 1161907b1e6eSNikolay Aleksandrov 1162907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1163907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1164907b1e6eSNikolay Aleksandrov { 1165907b1e6eSNikolay Aleksandrov return NULL; 1166907b1e6eSNikolay Aleksandrov } 1167a60c0903SNikolay Aleksandrov 1168a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1169a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 1170a60c0903SNikolay Aleksandrov { 1171a60c0903SNikolay Aleksandrov } 11729c0ec2e7SMike Manning 11739c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 11749c0ec2e7SMike Manning unsigned long event) 11759c0ec2e7SMike Manning { 11769c0ec2e7SMike Manning } 11779c0ec2e7SMike Manning 1178091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 11799c0ec2e7SMike Manning unsigned long event, void *ptr) 11809c0ec2e7SMike Manning { 1181091adf9bSNikolay Aleksandrov return 0; 11829c0ec2e7SMike Manning } 11838dcea187SNikolay Aleksandrov 11848dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 11858dcea187SNikolay Aleksandrov { 11868dcea187SNikolay Aleksandrov } 11878dcea187SNikolay Aleksandrov 11888dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 11898dcea187SNikolay Aleksandrov { 11908dcea187SNikolay Aleksandrov } 1191cf5bddb9SNikolay Aleksandrov 1192cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1193cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1194cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1195cf5bddb9SNikolay Aleksandrov int cmd) 1196cf5bddb9SNikolay Aleksandrov { 1197cf5bddb9SNikolay Aleksandrov } 1198243a2e63SVlad Yasevich #endif 1199243a2e63SVlad Yasevich 12007a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 12017a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 12027a53e718SNikolay Aleksandrov bool br_vlan_opts_eq(const struct net_bridge_vlan *v1, 12037a53e718SNikolay Aleksandrov const struct net_bridge_vlan *v2); 12047a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 12057a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1206a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1207a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1208a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1209a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1210a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1211a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1212a580c76dSNikolay Aleksandrov 1213a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1214a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1215a580c76dSNikolay Aleksandrov { 1216a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1217a580c76dSNikolay Aleksandrov } 1218a580c76dSNikolay Aleksandrov 1219a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1220a580c76dSNikolay Aleksandrov { 1221a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1222a580c76dSNikolay Aleksandrov } 1223a580c76dSNikolay Aleksandrov 1224a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1225a580c76dSNikolay Aleksandrov { 1226a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1227a580c76dSNikolay Aleksandrov } 1228a580c76dSNikolay Aleksandrov 1229a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1230a580c76dSNikolay Aleksandrov u8 state) 1231a580c76dSNikolay Aleksandrov { 1232a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1233a580c76dSNikolay Aleksandrov } 1234a580c76dSNikolay Aleksandrov 1235a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1236a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1237a580c76dSNikolay Aleksandrov { 1238a580c76dSNikolay Aleksandrov switch (state) { 1239a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1240a580c76dSNikolay Aleksandrov return learn_allow; 1241a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1242a580c76dSNikolay Aleksandrov return true; 1243a580c76dSNikolay Aleksandrov default: 1244a580c76dSNikolay Aleksandrov return false; 1245a580c76dSNikolay Aleksandrov } 1246a580c76dSNikolay Aleksandrov } 12477a53e718SNikolay Aleksandrov #endif 12487a53e718SNikolay Aleksandrov 12491a4ba64dSPablo Neira Ayuso struct nf_br_ops { 12501a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 12511a4ba64dSPablo Neira Ayuso }; 12521a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 12531a4ba64dSPablo Neira Ayuso 12541da177e4SLinus Torvalds /* br_netfilter.c */ 125534666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 125634666d46SPablo Neira Ayuso int br_nf_core_init(void); 125734666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1258348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1259c0909713SStephen Hemminger #else 126034666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 126134666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 12624adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1263c0909713SStephen Hemminger #endif 12641da177e4SLinus Torvalds 12651da177e4SLinus Torvalds /* br_stp.c */ 1266775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1267348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1268348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1269348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 12701da177e4SLinus Torvalds 1271348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1272348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1273348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1274348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 127582dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 12769e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 127714f98f25Sstephen hemminger 127814f98f25Sstephen hemminger 12791da177e4SLinus Torvalds /* br_stp_if.c */ 1280348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1281348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1282348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 1283348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1284348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1285348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1286348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1287348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1288348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1289348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1290348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvalds /* br_stp_bpdu.c */ 12937c85fbf0SPatrick McHardy struct stp_proto; 1294348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 12957c85fbf0SPatrick McHardy struct net_device *dev); 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvalds /* br_stp_timer.c */ 1298348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1299348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1300348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 13011da177e4SLinus Torvalds 13021da177e4SLinus Torvalds /* br.c */ 1303e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1304da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1305da678292SMichał Mirosław #endif 13061da177e4SLinus Torvalds 130711dc1f36SStephen Hemminger /* br_netlink.c */ 1308149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1309348662a1SJoe Perches int br_netlink_init(void); 1310348662a1SJoe Perches void br_netlink_fini(void); 131192899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 131292899063SNikolay Aleksandrov const struct net_bridge_port *port); 13132fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 13142fd527b7SPetr Machata struct netlink_ext_ack *extack); 1315add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1316348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 131746c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1318f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1319f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1320f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1321f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1322f26b2965SNikolay Aleksandrov bool *changed, 1323f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 132411dc1f36SStephen Hemminger 13251da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 13261da177e4SLinus Torvalds /* br_sysfs_if.c */ 132752cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1328348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1329348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvalds /* br_sysfs_br.c */ 1332348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1333348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvalds #else 13361da177e4SLinus Torvalds 13370cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 13380cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 13390cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 13400cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 13411da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 13421da177e4SLinus Torvalds 13436bc506b4SIdo Schimmel /* br_switchdev.c */ 13446bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 13456bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 13466bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 13476bc506b4SIdo Schimmel struct sk_buff *skb); 13486bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 13496bc506b4SIdo Schimmel const struct sk_buff *skb); 13503922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 13513922285dSArkadi Sharshevsky unsigned long flags, 13523922285dSArkadi Sharshevsky unsigned long mask); 13536b26b51bSArkadi Sharshevsky void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, 13546b26b51bSArkadi Sharshevsky int type); 1355169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1356169327d5SPetr Machata struct netlink_ext_ack *extack); 1357d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1358f1c2eddfSIdo Schimmel 1359f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1360f1c2eddfSIdo Schimmel { 1361f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1362f1c2eddfSIdo Schimmel } 13636bc506b4SIdo Schimmel #else 13646bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 13656bc506b4SIdo Schimmel { 13666bc506b4SIdo Schimmel return 0; 13676bc506b4SIdo Schimmel } 13686bc506b4SIdo Schimmel 13696bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 13706bc506b4SIdo Schimmel struct sk_buff *skb) 13716bc506b4SIdo Schimmel { 13726bc506b4SIdo Schimmel } 13736bc506b4SIdo Schimmel 13746bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 13756bc506b4SIdo Schimmel const struct sk_buff *skb) 13766bc506b4SIdo Schimmel { 13776bc506b4SIdo Schimmel return true; 13786bc506b4SIdo Schimmel } 13793922285dSArkadi Sharshevsky 13803922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 13813922285dSArkadi Sharshevsky unsigned long flags, 13823922285dSArkadi Sharshevsky unsigned long mask) 13833922285dSArkadi Sharshevsky { 13843922285dSArkadi Sharshevsky return 0; 13853922285dSArkadi Sharshevsky } 13866b26b51bSArkadi Sharshevsky 1387d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1388169327d5SPetr Machata u16 vid, u16 flags, 1389169327d5SPetr Machata struct netlink_ext_ack *extack) 1390d66e4348SPetr Machata { 1391d66e4348SPetr Machata return -EOPNOTSUPP; 1392d66e4348SPetr Machata } 1393d66e4348SPetr Machata 1394d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1395d66e4348SPetr Machata { 1396d66e4348SPetr Machata return -EOPNOTSUPP; 1397d66e4348SPetr Machata } 1398d66e4348SPetr Machata 13996b26b51bSArkadi Sharshevsky static inline void 14006b26b51bSArkadi Sharshevsky br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) 14016b26b51bSArkadi Sharshevsky { 14026b26b51bSArkadi Sharshevsky } 1403f1c2eddfSIdo Schimmel 1404f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1405f1c2eddfSIdo Schimmel { 1406f1c2eddfSIdo Schimmel } 14076bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 14086bc506b4SIdo Schimmel 1409057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1410821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1411057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1412057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1413ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1414ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1415ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 14161da177e4SLinus Torvalds #endif 1417