12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Linux ethernet bridge 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Authors: 61da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 101da177e4SLinus Torvalds #define _BR_PRIVATE_H 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include <linux/netdevice.h> 131da177e4SLinus Torvalds #include <linux/if_bridge.h> 1491d2c34aSHerbert Xu #include <linux/netpoll.h> 15406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 164adf0af6SSimon Wunderlich #include <net/route.h> 17efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 18243a2e63SVlad Yasevich #include <linux/if_vlan.h> 192594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 2025127759SReshetova, Elena #include <linux/refcount.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define BR_HASH_BITS 8 231da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #define BR_PORT_BITS 10 281da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 291da177e4SLinus Torvalds 30d08c6bc0SNikolay Aleksandrov #define BR_MULTICAST_DEFAULT_HASH_MAX 4096 31d08c6bc0SNikolay Aleksandrov 329cde0708SStephen Hemminger #define BR_VERSION "2.3" 339cde0708SStephen Hemminger 34515853ccSstephen hemminger /* Control of forwarding link local multicast */ 35515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 36784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 375af48b59SNikolay Aleksandrov enum { 385af48b59SNikolay Aleksandrov BR_GROUPFWD_STP = BIT(0), 395af48b59SNikolay Aleksandrov BR_GROUPFWD_MACPAUSE = BIT(1), 405af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP = BIT(2), 415af48b59SNikolay Aleksandrov }; 425af48b59SNikolay Aleksandrov 435af48b59SNikolay Aleksandrov #define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \ 445af48b59SNikolay Aleksandrov BR_GROUPFWD_LACP) 45f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 46f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 47515853ccSstephen hemminger 489cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 499cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 508cbb512eSStephen Hemminger 5131cbc39bSNikolay Aleksandrov #define BR_FDB_NOTIFY_SETTABLE_BITS (FDB_NOTIFY_BIT | FDB_NOTIFY_INACTIVE_BIT) 5231cbc39bSNikolay Aleksandrov 531da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 541da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 551da177e4SLinus Torvalds typedef __u16 port_id; 561da177e4SLinus Torvalds 571c1cb6d0SNikolay Aleksandrov struct bridge_id { 581da177e4SLinus Torvalds unsigned char prio[2]; 59e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 601da177e4SLinus Torvalds }; 611da177e4SLinus Torvalds 621c1cb6d0SNikolay Aleksandrov struct mac_addr { 63e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 641da177e4SLinus Torvalds }; 651da177e4SLinus Torvalds 66cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 67cc0fdd80SLinus Lüssing /* our own querier */ 6890010b36SLinus Lüssing struct bridge_mcast_own_query { 69cc0fdd80SLinus Lüssing struct timer_list timer; 70cc0fdd80SLinus Lüssing u32 startup_sent; 71cc0fdd80SLinus Lüssing }; 72cc0fdd80SLinus Lüssing 73cc0fdd80SLinus Lüssing /* other querier */ 7490010b36SLinus Lüssing struct bridge_mcast_other_query { 75cc0fdd80SLinus Lüssing struct timer_list timer; 76cc0fdd80SLinus Lüssing unsigned long delay_time; 77cc0fdd80SLinus Lüssing }; 78dc4eb53aSLinus Lüssing 79dc4eb53aSLinus Lüssing /* selected querier */ 80dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 81dc4eb53aSLinus Lüssing struct br_ip addr; 822cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 83dc4eb53aSLinus Lüssing }; 841080ab95SNikolay Aleksandrov 851080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 861080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 871080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 881080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 891080ab95SNikolay Aleksandrov }; 90cc0fdd80SLinus Lüssing #endif 91cc0fdd80SLinus Lüssing 92efa5356bSRoopa Prabhu struct br_tunnel_info { 93efa5356bSRoopa Prabhu __be64 tunnel_id; 9458e20717SNikolay Aleksandrov struct metadata_dst __rcu *tunnel_dst; 95efa5356bSRoopa Prabhu }; 96efa5356bSRoopa Prabhu 979d332e69SNikolay Aleksandrov /* private vlan flags */ 989d332e69SNikolay Aleksandrov enum { 999d332e69SNikolay Aleksandrov BR_VLFLAG_PER_PORT_STATS = BIT(0), 10027973793SIdo Schimmel BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1), 1019d332e69SNikolay Aleksandrov }; 1029d332e69SNikolay Aleksandrov 1032594e906SNikolay Aleksandrov /** 1042594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 1052594e906SNikolay Aleksandrov * 1062594e906SNikolay Aleksandrov * @vnode: rhashtable member 1072594e906SNikolay Aleksandrov * @vid: VLAN id 1082594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1099d332e69SNikolay Aleksandrov * @priv_flags: private (in-kernel) bridge vlan flags 110a580c76dSNikolay Aleksandrov * @state: STP state (e.g. blocking, learning, forwarding) 1116dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1122594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1132594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1142594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1152594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1162594e906SNikolay Aleksandrov * for this VLAN entry 1172594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1182594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1192594e906SNikolay Aleksandrov * 1202594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1212594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1222594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1232594e906SNikolay Aleksandrov * the entry flags that are set. 1242594e906SNikolay Aleksandrov */ 1252594e906SNikolay Aleksandrov struct net_bridge_vlan { 1262594e906SNikolay Aleksandrov struct rhash_head vnode; 127efa5356bSRoopa Prabhu struct rhash_head tnode; 1282594e906SNikolay Aleksandrov u16 vid; 1292594e906SNikolay Aleksandrov u16 flags; 1309d332e69SNikolay Aleksandrov u16 priv_flags; 131a580c76dSNikolay Aleksandrov u8 state; 132281cc284SHeiner Kallweit struct pcpu_sw_netstats __percpu *stats; 133243a2e63SVlad Yasevich union { 134243a2e63SVlad Yasevich struct net_bridge *br; 1352594e906SNikolay Aleksandrov struct net_bridge_port *port; 1362594e906SNikolay Aleksandrov }; 1372594e906SNikolay Aleksandrov union { 13825127759SReshetova, Elena refcount_t refcnt; 1392594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1402594e906SNikolay Aleksandrov }; 141efa5356bSRoopa Prabhu 142efa5356bSRoopa Prabhu struct br_tunnel_info tinfo; 143efa5356bSRoopa Prabhu 1442594e906SNikolay Aleksandrov struct list_head vlist; 1452594e906SNikolay Aleksandrov 146243a2e63SVlad Yasevich struct rcu_head rcu; 1472594e906SNikolay Aleksandrov }; 1482594e906SNikolay Aleksandrov 1492594e906SNikolay Aleksandrov /** 1502594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1512594e906SNikolay Aleksandrov * 1522594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1532594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1542594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 15577751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 156a580c76dSNikolay Aleksandrov * @pvid_state: PVID's STP state (e.g. forwarding, learning, blocking) 1572594e906SNikolay Aleksandrov * 1582594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1592594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1602594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1612594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1622594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1632594e906SNikolay Aleksandrov */ 1642594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1652594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 166efa5356bSRoopa Prabhu struct rhashtable tunnel_hash; 1672594e906SNikolay Aleksandrov struct list_head vlan_list; 1686cbdceebSVlad Yasevich u16 num_vlans; 16977751ee8SNikolay Aleksandrov u16 pvid; 170a580c76dSNikolay Aleksandrov u8 pvid_state; 171243a2e63SVlad Yasevich }; 172243a2e63SVlad Yasevich 1736869c3b0SNikolay Aleksandrov /* bridge fdb flags */ 1746869c3b0SNikolay Aleksandrov enum { 1756869c3b0SNikolay Aleksandrov BR_FDB_LOCAL, 17629e63fffSNikolay Aleksandrov BR_FDB_STATIC, 177e0458d9aSNikolay Aleksandrov BR_FDB_STICKY, 178ac3ca6afSNikolay Aleksandrov BR_FDB_ADDED_BY_USER, 179b5cd9f7cSNikolay Aleksandrov BR_FDB_ADDED_BY_EXT_LEARN, 180d38c6e3dSNikolay Aleksandrov BR_FDB_OFFLOADED, 18131cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY, 18231cbc39bSNikolay Aleksandrov BR_FDB_NOTIFY_INACTIVE 1836869c3b0SNikolay Aleksandrov }; 1846869c3b0SNikolay Aleksandrov 185eb793583SNikolay Aleksandrov struct net_bridge_fdb_key { 186eb793583SNikolay Aleksandrov mac_addr addr; 187eb793583SNikolay Aleksandrov u16 vlan_id; 188eb793583SNikolay Aleksandrov }; 189eb793583SNikolay Aleksandrov 1901214628cSNikolay Aleksandrov struct net_bridge_fdb_entry { 191eb793583SNikolay Aleksandrov struct rhash_head rhnode; 1921da177e4SLinus Torvalds struct net_bridge_port *dst; 1931da177e4SLinus Torvalds 194eb793583SNikolay Aleksandrov struct net_bridge_fdb_key key; 195eb793583SNikolay Aleksandrov struct hlist_node fdb_node; 1966869c3b0SNikolay Aleksandrov unsigned long flags; 1971214628cSNikolay Aleksandrov 1981214628cSNikolay Aleksandrov /* write-heavy members should not affect lookups */ 1991214628cSNikolay Aleksandrov unsigned long updated ____cacheline_aligned_in_smp; 2001214628cSNikolay Aleksandrov unsigned long used; 2011214628cSNikolay Aleksandrov 202b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 2031da177e4SLinus Torvalds }; 2041da177e4SLinus Torvalds 2059d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 2069d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 2073247b272SNikolay Aleksandrov #define MDB_PG_FLAGS_FAST_LEAVE BIT(2) 2088266a049SNikolay Aleksandrov #define MDB_PG_FLAGS_STAR_EXCL BIT(3) 2099116ffbfSNikolay Aleksandrov #define MDB_PG_FLAGS_BLOCKED BIT(4) 2109d06b6d8SElad Raz 2118b671779SNikolay Aleksandrov #define PG_SRC_ENT_LIMIT 32 2128b671779SNikolay Aleksandrov 2138b671779SNikolay Aleksandrov #define BR_SGRP_F_DELETE BIT(0) 2148b671779SNikolay Aleksandrov #define BR_SGRP_F_SEND BIT(1) 215b0812368SNikolay Aleksandrov #define BR_SGRP_F_INSTALLED BIT(2) 2168b671779SNikolay Aleksandrov 217e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc { 218e12cec65SNikolay Aleksandrov struct hlist_node gc_node; 219e12cec65SNikolay Aleksandrov void (*destroy)(struct net_bridge_mcast_gc *gc); 220e12cec65SNikolay Aleksandrov }; 221e12cec65SNikolay Aleksandrov 2228b671779SNikolay Aleksandrov struct net_bridge_group_src { 2238b671779SNikolay Aleksandrov struct hlist_node node; 2248b671779SNikolay Aleksandrov 2258b671779SNikolay Aleksandrov struct br_ip addr; 2268b671779SNikolay Aleksandrov struct net_bridge_port_group *pg; 2278b671779SNikolay Aleksandrov u8 flags; 228438ef2d0SNikolay Aleksandrov u8 src_query_rexmit_cnt; 2298b671779SNikolay Aleksandrov struct timer_list timer; 2308b671779SNikolay Aleksandrov 2318b671779SNikolay Aleksandrov struct net_bridge *br; 232e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2338b671779SNikolay Aleksandrov struct rcu_head rcu; 2348b671779SNikolay Aleksandrov }; 2358b671779SNikolay Aleksandrov 236085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key { 237eb1d1641SHerbert Xu struct net_bridge_port *port; 2388ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 239085b53c8SNikolay Aleksandrov }; 240085b53c8SNikolay Aleksandrov 241085b53c8SNikolay Aleksandrov struct net_bridge_port_group { 242085b53c8SNikolay Aleksandrov struct net_bridge_port_group __rcu *next; 243085b53c8SNikolay Aleksandrov struct net_bridge_port_group_sg_key key; 244206e7323SThomas Martitz unsigned char eth_addr[ETH_ALEN] __aligned(2); 2459d06b6d8SElad Raz unsigned char flags; 2468b671779SNikolay Aleksandrov unsigned char filter_mode; 24742c11ccfSNikolay Aleksandrov unsigned char grp_query_rexmit_cnt; 2488f8cb77eSNikolay Aleksandrov unsigned char rt_protocol; 2496ec0d0eeSNikolay Aleksandrov 2508b671779SNikolay Aleksandrov struct hlist_head src_list; 2518b671779SNikolay Aleksandrov unsigned int src_ents; 2526ec0d0eeSNikolay Aleksandrov struct timer_list timer; 25342c11ccfSNikolay Aleksandrov struct timer_list rexmit_timer; 2546ec0d0eeSNikolay Aleksandrov struct hlist_node mglist; 2558f07b831SNikolay Aleksandrov struct rb_root eht_set_tree; 2568f07b831SNikolay Aleksandrov struct rb_root eht_host_tree; 2576ec0d0eeSNikolay Aleksandrov 258085b53c8SNikolay Aleksandrov struct rhash_head rhnode; 259e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2606ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 261eb1d1641SHerbert Xu }; 262eb1d1641SHerbert Xu 2631c1cb6d0SNikolay Aleksandrov struct net_bridge_mdb_entry { 26419e3a9c9SNikolay Aleksandrov struct rhash_head rhnode; 265eb1d1641SHerbert Xu struct net_bridge *br; 266e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 2678ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 268ff0fd34eSAndrew Lunn bool host_joined; 2696ec0d0eeSNikolay Aleksandrov 2706ec0d0eeSNikolay Aleksandrov struct timer_list timer; 27119e3a9c9SNikolay Aleksandrov struct hlist_node mdb_node; 2726ec0d0eeSNikolay Aleksandrov 273e12cec65SNikolay Aleksandrov struct net_bridge_mcast_gc mcast_gc; 2746ec0d0eeSNikolay Aleksandrov struct rcu_head rcu; 275eb1d1641SHerbert Xu }; 276eb1d1641SHerbert Xu 2771f90c7f3SNikolay Aleksandrov struct net_bridge_port { 2781da177e4SLinus Torvalds struct net_bridge *br; 2791da177e4SLinus Torvalds struct net_device *dev; 2801da177e4SLinus Torvalds struct list_head list; 2811da177e4SLinus Torvalds 2821f90c7f3SNikolay Aleksandrov unsigned long flags; 2831f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 2841f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 2851f90c7f3SNikolay Aleksandrov #endif 2862756f68cSNikolay Aleksandrov struct net_bridge_port __rcu *backup_port; 2871f90c7f3SNikolay Aleksandrov 2881da177e4SLinus Torvalds /* STP */ 2891da177e4SLinus Torvalds u8 priority; 2901da177e4SLinus Torvalds u8 state; 2911da177e4SLinus Torvalds u16 port_no; 2921da177e4SLinus Torvalds unsigned char topology_change_ack; 2931da177e4SLinus Torvalds unsigned char config_pending; 2941da177e4SLinus Torvalds port_id port_id; 2951da177e4SLinus Torvalds port_id designated_port; 2961da177e4SLinus Torvalds bridge_id designated_root; 2971da177e4SLinus Torvalds bridge_id designated_bridge; 2981da177e4SLinus Torvalds u32 path_cost; 2991da177e4SLinus Torvalds u32 designated_cost; 3000c03150eSstephen hemminger unsigned long designated_age; 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds struct timer_list forward_delay_timer; 3031da177e4SLinus Torvalds struct timer_list hold_timer; 3041da177e4SLinus Torvalds struct timer_list message_age_timer; 3051da177e4SLinus Torvalds struct kobject kobj; 3061da177e4SLinus Torvalds struct rcu_head rcu; 3073982d3d2SFischer, Anna 308eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 30990010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 310ce6f7097SLinus Lüssing struct timer_list ip4_mc_router_timer; 311ce6f7097SLinus Lüssing struct hlist_node ip4_rlist; 312cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 31390010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 314a3c02e76SLinus Lüssing struct timer_list ip6_mc_router_timer; 315a3c02e76SLinus Lüssing struct hlist_node ip6_rlist; 316cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 31789268b05SNikolay Aleksandrov u32 multicast_eht_hosts_limit; 31889268b05SNikolay Aleksandrov u32 multicast_eht_hosts_cnt; 319eb1d1641SHerbert Xu unsigned char multicast_router; 3201080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 321eb1d1641SHerbert Xu struct hlist_head mglist; 322eb1d1641SHerbert Xu #endif 323e0f43752SSimon Arlott 324e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 325e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 326e0f43752SSimon Arlott #endif 32791d2c34aSHerbert Xu 32891d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 32991d2c34aSHerbert Xu struct netpoll *np; 33091d2c34aSHerbert Xu #endif 3316bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3326bc506b4SIdo Schimmel int offload_fwd_mark; 3336bc506b4SIdo Schimmel #endif 3345af48b59SNikolay Aleksandrov u16 group_fwd_mask; 3352756f68cSNikolay Aleksandrov u16 backup_redirected_cnt; 336de179966SVivien Didelot 337de179966SVivien Didelot struct bridge_stp_xstats stp_xstats; 3381da177e4SLinus Torvalds }; 3391da177e4SLinus Torvalds 340705e0deaSTyler Hicks #define kobj_to_brport(obj) container_of(obj, struct net_bridge_port, kobj) 341705e0deaSTyler Hicks 342e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 343f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 344e028e4b8SVlad Yasevich 345b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 346b5ed54e9Sstephen hemminger { 347716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 348b5ed54e9Sstephen hemminger } 349b5ed54e9Sstephen hemminger 3501fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 351b5ed54e9Sstephen hemminger { 35235f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 353ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 354b5ed54e9Sstephen hemminger } 355b5ed54e9Sstephen hemminger 3560baa10ffSArkadi Sharshevsky static inline struct net_bridge_port *br_port_get_rtnl_rcu(const struct net_device *dev) 3570baa10ffSArkadi Sharshevsky { 35835f861e3SJulian Wiedmann return netif_is_bridge_port(dev) ? 3590baa10ffSArkadi Sharshevsky rcu_dereference_rtnl(dev->rx_handler_data) : NULL; 3600baa10ffSArkadi Sharshevsky } 3610baa10ffSArkadi Sharshevsky 362ae75767eSNikolay Aleksandrov enum net_bridge_opts { 363ae75767eSNikolay Aleksandrov BROPT_VLAN_ENABLED, 364ae75767eSNikolay Aleksandrov BROPT_VLAN_STATS_ENABLED, 3658df3510fSNikolay Aleksandrov BROPT_NF_CALL_IPTABLES, 3668df3510fSNikolay Aleksandrov BROPT_NF_CALL_IP6TABLES, 3678df3510fSNikolay Aleksandrov BROPT_NF_CALL_ARPTABLES, 368be3664a0SNikolay Aleksandrov BROPT_GROUP_ADDR_SET, 36913cefad2SNikolay Aleksandrov BROPT_MULTICAST_ENABLED, 370675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERIER, 371675779adSNikolay Aleksandrov BROPT_MULTICAST_QUERY_USE_IFADDR, 372675779adSNikolay Aleksandrov BROPT_MULTICAST_STATS_ENABLED, 373675779adSNikolay Aleksandrov BROPT_HAS_IPV6_ADDR, 374c69c2cd4SNikolay Aleksandrov BROPT_NEIGH_SUPPRESS_ENABLED, 3753341d917SNikolay Aleksandrov BROPT_MTU_SET_BY_USER, 3769163a0fcSNikolay Aleksandrov BROPT_VLAN_STATS_PER_PORT, 37770e4272bSNikolay Aleksandrov BROPT_NO_LL_LEARN, 3789c0ec2e7SMike Manning BROPT_VLAN_BRIDGE_BINDING, 379ae75767eSNikolay Aleksandrov }; 380ae75767eSNikolay Aleksandrov 3811f90c7f3SNikolay Aleksandrov struct net_bridge { 3821da177e4SLinus Torvalds spinlock_t lock; 3831f90c7f3SNikolay Aleksandrov spinlock_t hash_lock; 38490c628ddSHenrik Bjoernlund struct hlist_head frame_type_list; 3851da177e4SLinus Torvalds struct net_device *dev; 386ae75767eSNikolay Aleksandrov unsigned long options; 3871f90c7f3SNikolay Aleksandrov /* These fields are accessed on each packet */ 3881f90c7f3SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 3891f90c7f3SNikolay Aleksandrov __be16 vlan_proto; 3901f90c7f3SNikolay Aleksandrov u16 default_pvid; 3911f90c7f3SNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 3921f90c7f3SNikolay Aleksandrov #endif 3931f90c7f3SNikolay Aleksandrov 394eb793583SNikolay Aleksandrov struct rhashtable fdb_hash_tbl; 39590c628ddSHenrik Bjoernlund struct list_head port_list; 39634666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 397efb6de9bSBernhard Thaler union { 3984adf0af6SSimon Wunderlich struct rtable fake_rtable; 399efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 400efb6de9bSBernhard Thaler }; 4014adf0af6SSimon Wunderlich #endif 402515853ccSstephen hemminger u16 group_fwd_mask; 403f2808d22SToshiaki Makita u16 group_fwd_mask_required; 404515853ccSstephen hemminger 4051da177e4SLinus Torvalds /* STP */ 4061da177e4SLinus Torvalds bridge_id designated_root; 4071da177e4SLinus Torvalds bridge_id bridge_id; 4081f90c7f3SNikolay Aleksandrov unsigned char topology_change; 4091f90c7f3SNikolay Aleksandrov unsigned char topology_change_detected; 4101f90c7f3SNikolay Aleksandrov u16 root_port; 4111da177e4SLinus Torvalds unsigned long max_age; 4121da177e4SLinus Torvalds unsigned long hello_time; 4131da177e4SLinus Torvalds unsigned long forward_delay; 4141da177e4SLinus Torvalds unsigned long ageing_time; 41534d8acd8SVivien Didelot unsigned long bridge_max_age; 4161da177e4SLinus Torvalds unsigned long bridge_hello_time; 4171da177e4SLinus Torvalds unsigned long bridge_forward_delay; 41834d8acd8SVivien Didelot unsigned long bridge_ageing_time; 41935750b0bSNikolay Aleksandrov u32 root_path_cost; 4201da177e4SLinus Torvalds 421fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 4229cde0708SStephen Hemminger 4239cde0708SStephen Hemminger enum { 4249cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 4259cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 4269cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 4279cde0708SStephen Hemminger } stp_enabled; 4289cde0708SStephen Hemminger 429eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 430eb1d1641SHerbert Xu 431eb1d1641SHerbert Xu u32 hash_max; 432eb1d1641SHerbert Xu 433eb1d1641SHerbert Xu u32 multicast_last_member_count; 434eb1d1641SHerbert Xu u32 multicast_startup_query_count; 435eb1d1641SHerbert Xu 4365e923585SNikolay Aleksandrov u8 multicast_igmp_version; 437675779adSNikolay Aleksandrov u8 multicast_router; 438675779adSNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 439675779adSNikolay Aleksandrov u8 multicast_mld_version; 440675779adSNikolay Aleksandrov #endif 44135750b0bSNikolay Aleksandrov spinlock_t multicast_lock; 442eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 443eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 444eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 445eb1d1641SHerbert Xu unsigned long multicast_query_interval; 446eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 447eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 448eb1d1641SHerbert Xu 44919e3a9c9SNikolay Aleksandrov struct rhashtable mdb_hash_tbl; 450085b53c8SNikolay Aleksandrov struct rhashtable sg_port_tbl; 45119e3a9c9SNikolay Aleksandrov 452e12cec65SNikolay Aleksandrov struct hlist_head mcast_gc_list; 45319e3a9c9SNikolay Aleksandrov struct hlist_head mdb_list; 454eb1d1641SHerbert Xu 455ce6f7097SLinus Lüssing struct hlist_head ip4_mc_router_list; 456ce6f7097SLinus Lüssing struct timer_list ip4_mc_router_timer; 45790010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 45890010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 459dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 4601080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 461cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 462a3c02e76SLinus Lüssing struct hlist_head ip6_mc_router_list; 463a3c02e76SLinus Lüssing struct timer_list ip6_mc_router_timer; 46490010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 46590010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 466dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 467cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 468e12cec65SNikolay Aleksandrov struct work_struct mcast_gc_work; 469eb1d1641SHerbert Xu #endif 470eb1d1641SHerbert Xu 4711da177e4SLinus Torvalds struct timer_list hello_timer; 4721da177e4SLinus Torvalds struct timer_list tcn_timer; 4731da177e4SLinus Torvalds struct timer_list topology_change_timer; 474f7cdee8aSNikolay Aleksandrov struct delayed_work gc_work; 47543b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 476e028e4b8SVlad Yasevich u32 auto_cnt; 4776bc506b4SIdo Schimmel 4786bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 4796bc506b4SIdo Schimmel int offload_fwd_mark; 4806bc506b4SIdo Schimmel #endif 481eb793583SNikolay Aleksandrov struct hlist_head fdb_list; 4824b8d7d4cSHoratiu Vultur 4834b8d7d4cSHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 4840169b820SHoratiu Vultur struct hlist_head mrp_list; 4854b8d7d4cSHoratiu Vultur #endif 486f323aa54SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 487f323aa54SHenrik Bjoernlund struct hlist_head mep_list; 488f323aa54SHenrik Bjoernlund #endif 4891da177e4SLinus Torvalds }; 4901da177e4SLinus Torvalds 49168b7c895SHerbert Xu struct br_input_skb_cb { 49268b7c895SHerbert Xu struct net_device *brdev; 49393fdd47eSHerbert Xu 4943c171f49SPablo Neira Ayuso u16 frag_max_size; 49532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 496f12064d1SFlorian Westphal u8 igmp; 497f12064d1SFlorian Westphal u8 mrouters_only:1; 49832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 499f12064d1SFlorian Westphal u8 proxyarp_replied:1; 500f12064d1SFlorian Westphal u8 src_port_isolated:1; 50120adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 502f12064d1SFlorian Westphal u8 vlan_filtered:1; 50320adfa1aSVlad Yasevich #endif 504223fd0adSFlorian Westphal #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE 505223fd0adSFlorian Westphal u8 br_netfilter_broute:1; 506223fd0adSFlorian Westphal #endif 5076bc506b4SIdo Schimmel 5086bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 5096bc506b4SIdo Schimmel int offload_fwd_mark; 5106bc506b4SIdo Schimmel #endif 51168b7c895SHerbert Xu }; 51268b7c895SHerbert Xu 51368b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 51468b7c895SHerbert Xu 51532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 51632dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 51732dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 51832dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 51932dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 52032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 52128a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 52228a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 52328a16c97Sstephen hemminger 52428a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 52528a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 52628a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 52728a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 52828a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 52928a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 53028a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 53128a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 53228a16c97Sstephen hemminger 53328a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 53428a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 53528a16c97Sstephen hemminger 5361da177e4SLinus Torvalds /* called under bridge lock */ 5371da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 5381da177e4SLinus Torvalds { 5391da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 5401da177e4SLinus Torvalds } 5411da177e4SLinus Torvalds 5422594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 5432594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 5442594e906SNikolay Aleksandrov { 5452594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 5462594e906SNikolay Aleksandrov } 5472594e906SNikolay Aleksandrov 5482594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 5492594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 5502594e906SNikolay Aleksandrov { 5512594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 5522594e906SNikolay Aleksandrov } 5532594e906SNikolay Aleksandrov 5546be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 5552594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 5562594e906SNikolay Aleksandrov { 5572594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 5582594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 5592594e906SNikolay Aleksandrov return true; 5602594e906SNikolay Aleksandrov else 5612594e906SNikolay Aleksandrov return false; 5622594e906SNikolay Aleksandrov } 5632594e906SNikolay Aleksandrov 5642594e906SNikolay Aleksandrov return true; 5652594e906SNikolay Aleksandrov } 5662594e906SNikolay Aleksandrov 5675d1fcaf3SNikolay Aleksandrov static inline bool nbp_state_should_learn(const struct net_bridge_port *p) 5685d1fcaf3SNikolay Aleksandrov { 5695d1fcaf3SNikolay Aleksandrov return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; 5705d1fcaf3SNikolay Aleksandrov } 5715d1fcaf3SNikolay Aleksandrov 5728f4cc940SNikolay Aleksandrov static inline bool br_vlan_valid_id(u16 vid, struct netlink_ext_ack *extack) 5735a46facbSNikolay Aleksandrov { 5748f4cc940SNikolay Aleksandrov bool ret = vid > 0 && vid < VLAN_VID_MASK; 5758f4cc940SNikolay Aleksandrov 5768f4cc940SNikolay Aleksandrov if (!ret) 5778f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan id is invalid"); 5788f4cc940SNikolay Aleksandrov 5798f4cc940SNikolay Aleksandrov return ret; 5805a46facbSNikolay Aleksandrov } 5815a46facbSNikolay Aleksandrov 5825a46facbSNikolay Aleksandrov static inline bool br_vlan_valid_range(const struct bridge_vlan_info *cur, 5838f4cc940SNikolay Aleksandrov const struct bridge_vlan_info *last, 5848f4cc940SNikolay Aleksandrov struct netlink_ext_ack *extack) 5855a46facbSNikolay Aleksandrov { 5865a46facbSNikolay Aleksandrov /* pvid flag is not allowed in ranges */ 5878f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_PVID) { 5888f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Pvid isn't allowed in a range"); 5895a46facbSNikolay Aleksandrov return false; 5908f4cc940SNikolay Aleksandrov } 5915a46facbSNikolay Aleksandrov 5925a46facbSNikolay Aleksandrov /* when cur is the range end, check if: 5935a46facbSNikolay Aleksandrov * - it has range start flag 5945a46facbSNikolay Aleksandrov * - range ids are invalid (end is equal to or before start) 5955a46facbSNikolay Aleksandrov */ 5965a46facbSNikolay Aleksandrov if (last) { 5978f4cc940SNikolay Aleksandrov if (cur->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { 5988f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Found a new vlan range start while processing one"); 5995a46facbSNikolay Aleksandrov return false; 6008f4cc940SNikolay Aleksandrov } else if (!(cur->flags & BRIDGE_VLAN_INFO_RANGE_END)) { 6018f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Vlan range end flag is missing"); 6028f4cc940SNikolay Aleksandrov return false; 6038f4cc940SNikolay Aleksandrov } else if (cur->vid <= last->vid) { 6048f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "End vlan id is less than or equal to start vlan id"); 6058f4cc940SNikolay Aleksandrov return false; 6068f4cc940SNikolay Aleksandrov } 6078f4cc940SNikolay Aleksandrov } 6088f4cc940SNikolay Aleksandrov 6098f4cc940SNikolay Aleksandrov /* check for required range flags */ 6108f4cc940SNikolay Aleksandrov if (!(cur->flags & (BRIDGE_VLAN_INFO_RANGE_BEGIN | 6118f4cc940SNikolay Aleksandrov BRIDGE_VLAN_INFO_RANGE_END))) { 6128f4cc940SNikolay Aleksandrov NL_SET_ERR_MSG_MOD(extack, "Both vlan range flags are missing"); 6135a46facbSNikolay Aleksandrov return false; 6145a46facbSNikolay Aleksandrov } 6155a46facbSNikolay Aleksandrov 6165a46facbSNikolay Aleksandrov return true; 6175a46facbSNikolay Aleksandrov } 6185a46facbSNikolay Aleksandrov 619f545923bSNikolay Aleksandrov static inline int br_afspec_cmd_to_rtm(int cmd) 620f545923bSNikolay Aleksandrov { 621f545923bSNikolay Aleksandrov switch (cmd) { 622f545923bSNikolay Aleksandrov case RTM_SETLINK: 623f545923bSNikolay Aleksandrov return RTM_NEWVLAN; 624f545923bSNikolay Aleksandrov case RTM_DELLINK: 625f545923bSNikolay Aleksandrov return RTM_DELVLAN; 626f545923bSNikolay Aleksandrov } 627f545923bSNikolay Aleksandrov 628f545923bSNikolay Aleksandrov return 0; 629f545923bSNikolay Aleksandrov } 630f545923bSNikolay Aleksandrov 631ae75767eSNikolay Aleksandrov static inline int br_opt_get(const struct net_bridge *br, 632ae75767eSNikolay Aleksandrov enum net_bridge_opts opt) 633ae75767eSNikolay Aleksandrov { 634ae75767eSNikolay Aleksandrov return test_bit(opt, &br->options); 635ae75767eSNikolay Aleksandrov } 636ae75767eSNikolay Aleksandrov 637a428afe8SNikolay Aleksandrov int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on, 638a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 639a428afe8SNikolay Aleksandrov int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt); 640a428afe8SNikolay Aleksandrov int br_boolopt_multi_toggle(struct net_bridge *br, 641a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm, 642a428afe8SNikolay Aleksandrov struct netlink_ext_ack *extack); 643a428afe8SNikolay Aleksandrov void br_boolopt_multi_get(const struct net_bridge *br, 644a428afe8SNikolay Aleksandrov struct br_boolopt_multi *bm); 645ae75767eSNikolay Aleksandrov void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on); 646ae75767eSNikolay Aleksandrov 6471da177e4SLinus Torvalds /* br_device.c */ 648348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 649348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 650348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 651cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 65291d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 65391d2c34aSHerbert Xu struct sk_buff *skb) 65491d2c34aSHerbert Xu { 655f78ed220SEric Dumazet netpoll_send_skb(p->np, skb); 65691d2c34aSHerbert Xu } 65791d2c34aSHerbert Xu 658a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 659348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 66091d2c34aSHerbert Xu #else 6619f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 66291d2c34aSHerbert Xu struct sk_buff *skb) 66391d2c34aSHerbert Xu { 66491d2c34aSHerbert Xu } 66591d2c34aSHerbert Xu 666a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 66791d2c34aSHerbert Xu { 66891d2c34aSHerbert Xu return 0; 66991d2c34aSHerbert Xu } 67091d2c34aSHerbert Xu 67191d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 67291d2c34aSHerbert Xu { 67391d2c34aSHerbert Xu } 674cfb478daSstephen hemminger #endif 6751da177e4SLinus Torvalds 6761da177e4SLinus Torvalds /* br_fdb.c */ 677348662a1SJoe Perches int br_fdb_init(void); 678348662a1SJoe Perches void br_fdb_fini(void); 679eb793583SNikolay Aleksandrov int br_fdb_hash_init(struct net_bridge *br); 680eb793583SNikolay Aleksandrov void br_fdb_hash_fini(struct net_bridge *br); 681348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 682424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 683424bb9c9SToshiaki Makita const struct net_bridge_port *p, 684424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 685348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 686348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 687f7cdee8aSNikolay Aleksandrov void br_fdb_cleanup(struct work_struct *work); 688348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 6891ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 690bfd0aeacSNikolay Aleksandrov struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, 691bfd0aeacSNikolay Aleksandrov const unsigned char *addr, 692bfd0aeacSNikolay Aleksandrov __u16 vid); 693348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 694348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 695348662a1SJoe Perches unsigned long off); 696348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 697348662a1SJoe Perches const unsigned char *addr, u16 vid); 698348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 699be0c5677SNikolay Aleksandrov const unsigned char *addr, u16 vid, unsigned long flags); 70077162022SJohn Fastabend 701348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 702f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 703348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 70487b0984eSPetr Machata const unsigned char *addr, u16 vid, u16 nlh_flags, 70587b0984eSPetr Machata struct netlink_ext_ack *extack); 706348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 707d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 70847674562SRoopa Prabhu int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, 70947674562SRoopa Prabhu const unsigned char *addr, u16 vid, u32 portid, u32 seq, 71047674562SRoopa Prabhu struct netlink_ext_ack *extack); 7118db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 7128db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 7133aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 714*0541a629SVladimir Oltean const unsigned char *addr, u16 vid, bool is_local, 715161d82deSPetr Machata bool swdev_notify); 7163aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 717161d82deSPetr Machata const unsigned char *addr, u16 vid, 718161d82deSPetr Machata bool swdev_notify); 7199fe8bcecSArkadi Sharshevsky void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, 720e9ba0fbcSIdo Schimmel const unsigned char *addr, u16 vid, bool offloaded); 7211da177e4SLinus Torvalds 7221da177e4SLinus Torvalds /* br_forward.c */ 7238addd5e7SNikolay Aleksandrov enum br_pkt_type { 7248addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 7258addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 7268addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 7278addd5e7SNikolay Aleksandrov }; 7280c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 729b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 73037b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 7310c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 73237b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 7338addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 7341da177e4SLinus Torvalds 7357d850abdSNikolay Aleksandrov /* return true if both source port and dest port are isolated */ 7367d850abdSNikolay Aleksandrov static inline bool br_skb_isolated(const struct net_bridge_port *to, 7377d850abdSNikolay Aleksandrov const struct sk_buff *skb) 7387d850abdSNikolay Aleksandrov { 7397d850abdSNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->src_port_isolated && 7407d850abdSNikolay Aleksandrov (to->flags & BR_ISOLATED); 7417d850abdSNikolay Aleksandrov } 7427d850abdSNikolay Aleksandrov 7431da177e4SLinus Torvalds /* br_if.c */ 744faa1cd82SNikolay Aleksandrov void br_port_carrier_check(struct net_bridge_port *p, bool *notified); 745348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 746348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 747ca752be0SDavid Ahern int br_add_if(struct net_bridge *br, struct net_device *dev, 748ca752be0SDavid Ahern struct netlink_ext_ack *extack); 749348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 750804b854dSNikolay Aleksandrov void br_mtu_auto_adjust(struct net_bridge *br); 751348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 752c8f44affSMichał Mirosław netdev_features_t features); 753e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 7542796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 7552756f68cSNikolay Aleksandrov int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev); 7561da177e4SLinus Torvalds 7571da177e4SLinus Torvalds /* br_input.c */ 7580c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 7599eb8eff0SVladimir Oltean rx_handler_func_t *br_get_rx_handler(const struct net_device *dev); 7601da177e4SLinus Torvalds 76190c628ddSHenrik Bjoernlund struct br_frame_type { 76290c628ddSHenrik Bjoernlund __be16 type; 76390c628ddSHenrik Bjoernlund int (*frame_handler)(struct net_bridge_port *port, 76490c628ddSHenrik Bjoernlund struct sk_buff *skb); 76590c628ddSHenrik Bjoernlund struct hlist_node list; 76690c628ddSHenrik Bjoernlund }; 76790c628ddSHenrik Bjoernlund 76890c628ddSHenrik Bjoernlund void br_add_frame(struct net_bridge *br, struct br_frame_type *ft); 76990c628ddSHenrik Bjoernlund void br_del_frame(struct net_bridge *br, struct br_frame_type *ft); 77090c628ddSHenrik Bjoernlund 771859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 772859828c0SJiri Pirko { 7739eb8eff0SVladimir Oltean return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev); 774859828c0SJiri Pirko } 775859828c0SJiri Pirko 7764d4fd361SPetr Machata static inline bool br_rx_handler_check_rtnl(const struct net_device *dev) 7774d4fd361SPetr Machata { 7789eb8eff0SVladimir Oltean return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev); 7794d4fd361SPetr Machata } 7804d4fd361SPetr Machata 781859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 782859828c0SJiri Pirko { 783859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 784859828c0SJiri Pirko } 785859828c0SJiri Pirko 7864d4fd361SPetr Machata static inline struct net_bridge_port * 7874d4fd361SPetr Machata br_port_get_check_rtnl(const struct net_device *dev) 7884d4fd361SPetr Machata { 7894d4fd361SPetr Machata return br_rx_handler_check_rtnl(dev) ? br_port_get_rtnl_rcu(dev) : NULL; 7904d4fd361SPetr Machata } 7914d4fd361SPetr Machata 7921da177e4SLinus Torvalds /* br_ioctl.c */ 793348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 794348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 795348662a1SJoe Perches void __user *arg); 7961da177e4SLinus Torvalds 797eb1d1641SHerbert Xu /* br_multicast.c */ 798eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 799348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 800fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 801348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 802eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 8031080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 804348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 805348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 806348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 807348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 808851d0a73SJoseph Huang void br_multicast_join_snoopers(struct net_bridge *br); 809851d0a73SJoseph Huang void br_multicast_leave_snoopers(struct net_bridge *br); 810348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 811348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 812e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 81337b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 81437b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 815348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 816348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 817ae1ea84bSFlorian Fainelli int br_multicast_toggle(struct net_bridge *br, unsigned long val, 818ae1ea84bSFlorian Fainelli struct netlink_ext_ack *extack); 819348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 820348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 8215e923585SNikolay Aleksandrov int br_multicast_set_igmp_version(struct net_bridge *br, unsigned long val); 822aa2ae3e7SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 823aa2ae3e7SNikolay Aleksandrov int br_multicast_set_mld_version(struct net_bridge *br, unsigned long val); 824aa2ae3e7SNikolay Aleksandrov #endif 825348662a1SJoe Perches struct net_bridge_mdb_entry * 82619e3a9c9SNikolay Aleksandrov br_mdb_ip_get(struct net_bridge *br, struct br_ip *dst); 827348662a1SJoe Perches struct net_bridge_mdb_entry * 82819e3a9c9SNikolay Aleksandrov br_multicast_new_group(struct net_bridge *br, struct br_ip *group); 829348662a1SJoe Perches struct net_bridge_port_group * 830348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 831762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 8328b671779SNikolay Aleksandrov unsigned char flags, const unsigned char *src, 8338f8cb77eSNikolay Aleksandrov u8 filter_mode, u8 rt_protocol); 83419e3a9c9SNikolay Aleksandrov int br_mdb_hash_init(struct net_bridge *br); 83519e3a9c9SNikolay Aleksandrov void br_mdb_hash_fini(struct net_bridge *br); 83681f19838SNikolay Aleksandrov void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp, 83781f19838SNikolay Aleksandrov struct net_bridge_port_group *pg, int type); 838949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 839949f1e39SSatish Ashok int type); 840681590bdSNikolay Aleksandrov void br_multicast_del_pg(struct net_bridge_mdb_entry *mp, 841681590bdSNikolay Aleksandrov struct net_bridge_port_group *pg, 842681590bdSNikolay Aleksandrov struct net_bridge_port_group __rcu **pp); 8431080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 844a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 8451080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 846b6fe0440SIdo Schimmel void br_multicast_uninit_stats(struct net_bridge *br); 8471080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 8481080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 8491080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 85019e3a9c9SNikolay Aleksandrov void br_mdb_init(void); 85119e3a9c9SNikolay Aleksandrov void br_mdb_uninit(void); 8521bc844eeSNikolay Aleksandrov void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify); 8531bc844eeSNikolay Aleksandrov void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify); 8548266a049SNikolay Aleksandrov void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg, 8558266a049SNikolay Aleksandrov u8 filter_mode); 8568266a049SNikolay Aleksandrov void br_multicast_sg_add_exclude_ports(struct net_bridge_mdb_entry *star_mp, 8578266a049SNikolay Aleksandrov struct net_bridge_port_group *sg); 858474ddb37SNikolay Aleksandrov struct net_bridge_group_src * 859474ddb37SNikolay Aleksandrov br_multicast_find_group_src(struct net_bridge_port_group *pg, struct br_ip *ip); 860d5a10222SNikolay Aleksandrov void br_multicast_del_group_src(struct net_bridge_group_src *src, 861d5a10222SNikolay Aleksandrov bool fastleave); 86285b35269SSridhar Samudrala 863955062b0SNikolay Aleksandrov static inline bool br_group_is_l2(const struct br_ip *group) 864955062b0SNikolay Aleksandrov { 865955062b0SNikolay Aleksandrov return group->proto == 0; 866955062b0SNikolay Aleksandrov } 867955062b0SNikolay Aleksandrov 868cfd56754SCong Wang #define mlock_dereference(X, br) \ 869cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 870cfd56754SCong Wang 87144ebb081SLinus Lüssing static inline struct hlist_node * 87244ebb081SLinus Lüssing br_multicast_get_first_rport_node(struct net_bridge *b, struct sk_buff *skb) { 873a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 874a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 875a3c02e76SLinus Lüssing return rcu_dereference(hlist_first_rcu(&b->ip6_mc_router_list)); 876a3c02e76SLinus Lüssing #endif 87744ebb081SLinus Lüssing return rcu_dereference(hlist_first_rcu(&b->ip4_mc_router_list)); 87844ebb081SLinus Lüssing } 87944ebb081SLinus Lüssing 88044ebb081SLinus Lüssing static inline struct net_bridge_port * 88144ebb081SLinus Lüssing br_multicast_rport_from_node_skb(struct hlist_node *rp, struct sk_buff *skb) { 882a3c02e76SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 883a3c02e76SLinus Lüssing if (skb->protocol == htons(ETH_P_IPV6)) 884a3c02e76SLinus Lüssing return hlist_entry_safe(rp, struct net_bridge_port, ip6_rlist); 885a3c02e76SLinus Lüssing #endif 88644ebb081SLinus Lüssing return hlist_entry_safe(rp, struct net_bridge_port, ip4_rlist); 88744ebb081SLinus Lüssing } 88844ebb081SLinus Lüssing 8891a3065a2SLinus Lüssing static inline bool br_ip4_multicast_is_router(struct net_bridge *br) 89085b35269SSridhar Samudrala { 8911a3065a2SLinus Lüssing return timer_pending(&br->ip4_mc_router_timer); 8921a3065a2SLinus Lüssing } 8931a3065a2SLinus Lüssing 8941a3065a2SLinus Lüssing static inline bool br_ip6_multicast_is_router(struct net_bridge *br) 8951a3065a2SLinus Lüssing { 8961a3065a2SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 897a3c02e76SLinus Lüssing return timer_pending(&br->ip6_mc_router_timer); 8981a3065a2SLinus Lüssing #else 8991a3065a2SLinus Lüssing return false; 9001a3065a2SLinus Lüssing #endif 9011a3065a2SLinus Lüssing } 9021a3065a2SLinus Lüssing 9031a3065a2SLinus Lüssing static inline bool 9041a3065a2SLinus Lüssing br_multicast_is_router(struct net_bridge *br, struct sk_buff *skb) 9051a3065a2SLinus Lüssing { 9061a3065a2SLinus Lüssing switch (br->multicast_router) { 9071a3065a2SLinus Lüssing case MDB_RTR_TYPE_PERM: 9081a3065a2SLinus Lüssing return true; 9091a3065a2SLinus Lüssing case MDB_RTR_TYPE_TEMP_QUERY: 9101a3065a2SLinus Lüssing if (skb) { 9111a3065a2SLinus Lüssing if (skb->protocol == htons(ETH_P_IP)) 9121a3065a2SLinus Lüssing return br_ip4_multicast_is_router(br); 9131a3065a2SLinus Lüssing else if (skb->protocol == htons(ETH_P_IPV6)) 9141a3065a2SLinus Lüssing return br_ip6_multicast_is_router(br); 9151a3065a2SLinus Lüssing } else { 9161a3065a2SLinus Lüssing return br_ip4_multicast_is_router(br) || 9171a3065a2SLinus Lüssing br_ip6_multicast_is_router(br); 9181a3065a2SLinus Lüssing } 9191a3065a2SLinus Lüssing fallthrough; 9201a3065a2SLinus Lüssing default: 9211a3065a2SLinus Lüssing return false; 9221a3065a2SLinus Lüssing } 92385b35269SSridhar Samudrala } 924b00589afSLinus Lüssing 925cc0fdd80SLinus Lüssing static inline bool 926cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 9270888d5f3Sdaniel struct bridge_mcast_other_query *querier, 9280888d5f3Sdaniel const bool is_ipv6) 929b00589afSLinus Lüssing { 9300888d5f3Sdaniel bool own_querier_enabled; 9310888d5f3Sdaniel 932675779adSNikolay Aleksandrov if (br_opt_get(br, BROPT_MULTICAST_QUERIER)) { 933675779adSNikolay Aleksandrov if (is_ipv6 && !br_opt_get(br, BROPT_HAS_IPV6_ADDR)) 9340888d5f3Sdaniel own_querier_enabled = false; 9350888d5f3Sdaniel else 9360888d5f3Sdaniel own_querier_enabled = true; 9370888d5f3Sdaniel } else { 9380888d5f3Sdaniel own_querier_enabled = false; 9390888d5f3Sdaniel } 9400888d5f3Sdaniel 941cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 9420888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 943cc0fdd80SLinus Lüssing } 944cc0fdd80SLinus Lüssing 945cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 946955062b0SNikolay Aleksandrov struct ethhdr *eth, 947955062b0SNikolay Aleksandrov const struct net_bridge_mdb_entry *mdb) 948cc0fdd80SLinus Lüssing { 949cc0fdd80SLinus Lüssing switch (eth->h_proto) { 950cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 9510888d5f3Sdaniel return __br_multicast_querier_exists(br, 9520888d5f3Sdaniel &br->ip4_other_query, false); 953cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 954cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 9550888d5f3Sdaniel return __br_multicast_querier_exists(br, 9560888d5f3Sdaniel &br->ip6_other_query, true); 957cc0fdd80SLinus Lüssing #endif 958cc0fdd80SLinus Lüssing default: 959955062b0SNikolay Aleksandrov return !!mdb && br_group_is_l2(&mdb->addr); 960cc0fdd80SLinus Lüssing } 961b00589afSLinus Lüssing } 9621080ab95SNikolay Aleksandrov 96388d4bd18SNikolay Aleksandrov static inline bool br_multicast_is_star_g(const struct br_ip *ip) 96488d4bd18SNikolay Aleksandrov { 96588d4bd18SNikolay Aleksandrov switch (ip->proto) { 96688d4bd18SNikolay Aleksandrov case htons(ETH_P_IP): 96788d4bd18SNikolay Aleksandrov return ipv4_is_zeronet(ip->src.ip4); 96888d4bd18SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 96988d4bd18SNikolay Aleksandrov case htons(ETH_P_IPV6): 97088d4bd18SNikolay Aleksandrov return ipv6_addr_any(&ip->src.ip6); 97188d4bd18SNikolay Aleksandrov #endif 97288d4bd18SNikolay Aleksandrov default: 97388d4bd18SNikolay Aleksandrov return false; 97488d4bd18SNikolay Aleksandrov } 97588d4bd18SNikolay Aleksandrov } 97688d4bd18SNikolay Aleksandrov 9778266a049SNikolay Aleksandrov static inline bool br_multicast_should_handle_mode(const struct net_bridge *br, 9788266a049SNikolay Aleksandrov __be16 proto) 9798266a049SNikolay Aleksandrov { 9808266a049SNikolay Aleksandrov switch (proto) { 9818266a049SNikolay Aleksandrov case htons(ETH_P_IP): 9828266a049SNikolay Aleksandrov return !!(br->multicast_igmp_version == 3); 9838266a049SNikolay Aleksandrov #if IS_ENABLED(CONFIG_IPV6) 9848266a049SNikolay Aleksandrov case htons(ETH_P_IPV6): 9858266a049SNikolay Aleksandrov return !!(br->multicast_mld_version == 2); 9868266a049SNikolay Aleksandrov #endif 9878266a049SNikolay Aleksandrov default: 9888266a049SNikolay Aleksandrov return false; 9898266a049SNikolay Aleksandrov } 9908266a049SNikolay Aleksandrov } 9918266a049SNikolay Aleksandrov 9921080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 9931080ab95SNikolay Aleksandrov { 9941080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 9951080ab95SNikolay Aleksandrov } 99642c11ccfSNikolay Aleksandrov 99742c11ccfSNikolay Aleksandrov static inline unsigned long br_multicast_lmqt(const struct net_bridge *br) 99842c11ccfSNikolay Aleksandrov { 99942c11ccfSNikolay Aleksandrov return br->multicast_last_member_interval * 100042c11ccfSNikolay Aleksandrov br->multicast_last_member_count; 100142c11ccfSNikolay Aleksandrov } 10020436862eSNikolay Aleksandrov 10030436862eSNikolay Aleksandrov static inline unsigned long br_multicast_gmi(const struct net_bridge *br) 10040436862eSNikolay Aleksandrov { 10050436862eSNikolay Aleksandrov /* use the RFC default of 2 for QRV */ 10060436862eSNikolay Aleksandrov return 2 * br->multicast_query_interval + 10070436862eSNikolay Aleksandrov br->multicast_query_response_interval; 10080436862eSNikolay Aleksandrov } 1009eb1d1641SHerbert Xu #else 1010eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 1011eb1d1641SHerbert Xu struct net_bridge_port *port, 101206499098SVlad Yasevich struct sk_buff *skb, 101306499098SVlad Yasevich u16 vid) 1014eb1d1641SHerbert Xu { 1015eb1d1641SHerbert Xu return 0; 1016eb1d1641SHerbert Xu } 1017eb1d1641SHerbert Xu 1018eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 1019fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 1020eb1d1641SHerbert Xu { 1021eb1d1641SHerbert Xu return NULL; 1022eb1d1641SHerbert Xu } 1023eb1d1641SHerbert Xu 10241080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 1025eb1d1641SHerbert Xu { 10261080ab95SNikolay Aleksandrov return 0; 1027eb1d1641SHerbert Xu } 1028eb1d1641SHerbert Xu 1029eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 1030eb1d1641SHerbert Xu { 1031eb1d1641SHerbert Xu } 1032eb1d1641SHerbert Xu 1033eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 1034eb1d1641SHerbert Xu { 1035eb1d1641SHerbert Xu } 1036eb1d1641SHerbert Xu 1037eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 1038eb1d1641SHerbert Xu { 1039eb1d1641SHerbert Xu } 1040eb1d1641SHerbert Xu 1041eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 1042eb1d1641SHerbert Xu { 1043eb1d1641SHerbert Xu } 1044eb1d1641SHerbert Xu 1045851d0a73SJoseph Huang static inline void br_multicast_join_snoopers(struct net_bridge *br) 1046851d0a73SJoseph Huang { 1047851d0a73SJoseph Huang } 1048851d0a73SJoseph Huang 1049851d0a73SJoseph Huang static inline void br_multicast_leave_snoopers(struct net_bridge *br) 1050851d0a73SJoseph Huang { 1051851d0a73SJoseph Huang } 1052851d0a73SJoseph Huang 1053eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 1054eb1d1641SHerbert Xu { 1055eb1d1641SHerbert Xu } 1056eb1d1641SHerbert Xu 1057eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 1058eb1d1641SHerbert Xu { 1059eb1d1641SHerbert Xu } 10605cb5e947SHerbert Xu 1061a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 1062a7ce45a7SNikolay Aleksandrov { 1063a7ce45a7SNikolay Aleksandrov } 1064a7ce45a7SNikolay Aleksandrov 106537b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 106637b090e6SNikolay Aleksandrov struct sk_buff *skb, 106737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 10685cb5e947SHerbert Xu { 10695cb5e947SHerbert Xu } 10705cb5e947SHerbert Xu 1071bbc6f2ccSNikolay Aleksandrov static inline bool br_multicast_is_router(struct net_bridge *br, 1072bbc6f2ccSNikolay Aleksandrov struct sk_buff *skb) 1073eb1d1641SHerbert Xu { 107403aaa9e2SGustavo A. R. Silva return false; 1075eb1d1641SHerbert Xu } 107637b090e6SNikolay Aleksandrov 1077cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 1078c43fd36fSVladimir Oltean struct ethhdr *eth, 1079c43fd36fSVladimir Oltean const struct net_bridge_mdb_entry *mdb) 1080b00589afSLinus Lüssing { 1081b00589afSLinus Lüssing return false; 1082b00589afSLinus Lüssing } 108337b090e6SNikolay Aleksandrov 1084fdb184d1SRami Rosen static inline void br_mdb_init(void) 1085fdb184d1SRami Rosen { 1086fdb184d1SRami Rosen } 108737b090e6SNikolay Aleksandrov 1088fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 1089fdb184d1SRami Rosen { 1090fdb184d1SRami Rosen } 10911080ab95SNikolay Aleksandrov 109219e3a9c9SNikolay Aleksandrov static inline int br_mdb_hash_init(struct net_bridge *br) 109319e3a9c9SNikolay Aleksandrov { 109419e3a9c9SNikolay Aleksandrov return 0; 109519e3a9c9SNikolay Aleksandrov } 109619e3a9c9SNikolay Aleksandrov 109719e3a9c9SNikolay Aleksandrov static inline void br_mdb_hash_fini(struct net_bridge *br) 109819e3a9c9SNikolay Aleksandrov { 109919e3a9c9SNikolay Aleksandrov } 110019e3a9c9SNikolay Aleksandrov 11011080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 11021080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 1103a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 1104a65056ecSNikolay Aleksandrov u8 type, u8 dir) 11051080ab95SNikolay Aleksandrov { 11061080ab95SNikolay Aleksandrov } 11071080ab95SNikolay Aleksandrov 11081080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 11091080ab95SNikolay Aleksandrov { 11101080ab95SNikolay Aleksandrov return 0; 11111080ab95SNikolay Aleksandrov } 11121080ab95SNikolay Aleksandrov 1113b6fe0440SIdo Schimmel static inline void br_multicast_uninit_stats(struct net_bridge *br) 1114b6fe0440SIdo Schimmel { 1115b6fe0440SIdo Schimmel } 1116b6fe0440SIdo Schimmel 11171080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 11181080ab95SNikolay Aleksandrov { 11191080ab95SNikolay Aleksandrov return 0; 11201080ab95SNikolay Aleksandrov } 112185b35269SSridhar Samudrala #endif 1122eb1d1641SHerbert Xu 1123243a2e63SVlad Yasevich /* br_vlan.c */ 1124243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 112577751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 112677751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 1127a580c76dSNikolay Aleksandrov u16 *vid, u8 *state); 112877751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 112985f46c6bSVlad Yasevich const struct sk_buff *skb); 1130e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 1131348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 113211538d03SRoopa Prabhu const struct net_bridge_port *port, 11332594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 113478851988SVlad Yasevich struct sk_buff *skb); 1135f418af63SNikolay Aleksandrov int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1136169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1137348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 1138348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 11392594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 1140204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 11419e781401SVladimir Oltean int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val, 11429e781401SVladimir Oltean struct netlink_ext_ack *extack); 1143dcbdf135SVladimir Oltean int __br_vlan_set_proto(struct net_bridge *br, __be16 proto, 1144dcbdf135SVladimir Oltean struct netlink_ext_ack *extack); 11459e781401SVladimir Oltean int br_vlan_set_proto(struct net_bridge *br, unsigned long val, 11469e781401SVladimir Oltean struct netlink_ext_ack *extack); 11476dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 11489163a0fcSNikolay Aleksandrov int br_vlan_set_stats_per_port(struct net_bridge *br, unsigned long val); 11495be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 11509e781401SVladimir Oltean int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val, 11519e781401SVladimir Oltean struct netlink_ext_ack *extack); 1152169327d5SPetr Machata int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid, 1153169327d5SPetr Machata struct netlink_ext_ack *extack); 1154f418af63SNikolay Aleksandrov int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1155169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack); 1156348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 1157348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 1158169327d5SPetr Machata int nbp_vlan_init(struct net_bridge_port *port, struct netlink_ext_ack *extack); 11592594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 1160a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 1161281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats); 11629c0ec2e7SMike Manning void br_vlan_port_event(struct net_bridge_port *p, unsigned long event); 1163091adf9bSNikolay Aleksandrov int br_vlan_bridge_event(struct net_device *dev, unsigned long event, 11649c0ec2e7SMike Manning void *ptr); 11658dcea187SNikolay Aleksandrov void br_vlan_rtnl_init(void); 11668dcea187SNikolay Aleksandrov void br_vlan_rtnl_uninit(void); 1167cf5bddb9SNikolay Aleksandrov void br_vlan_notify(const struct net_bridge *br, 1168cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1169cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1170cf5bddb9SNikolay Aleksandrov int cmd); 1171a5d29ae2SNikolay Aleksandrov bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1172a5d29ae2SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 1173a37b85c9SVlad Yasevich 1174bcf2766bSFelix Fietkau void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1175bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1176bcf2766bSFelix Fietkau struct net_device_path *path); 1177bcf2766bSFelix Fietkau int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1178bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1179bcf2766bSFelix Fietkau struct net_device_path *path); 1180bcf2766bSFelix Fietkau 11812594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 1182a37b85c9SVlad Yasevich const struct net_bridge *br) 1183a37b85c9SVlad Yasevich { 1184907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 1185a37b85c9SVlad Yasevich } 1186a37b85c9SVlad Yasevich 11872594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 1188a37b85c9SVlad Yasevich const struct net_bridge_port *p) 1189a37b85c9SVlad Yasevich { 1190907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 1191907b1e6eSNikolay Aleksandrov } 1192907b1e6eSNikolay Aleksandrov 1193907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1194907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1195907b1e6eSNikolay Aleksandrov { 1196907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 1197907b1e6eSNikolay Aleksandrov } 1198907b1e6eSNikolay Aleksandrov 1199907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1200907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1201907b1e6eSNikolay Aleksandrov { 1202907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 1203a37b85c9SVlad Yasevich } 1204a37b85c9SVlad Yasevich 1205a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 1206a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 1207a37b85c9SVlad Yasevich */ 1208a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 1209a37b85c9SVlad Yasevich { 1210a37b85c9SVlad Yasevich int err = 0; 1211a37b85c9SVlad Yasevich 12122594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 12135978f8a9SMichał Mirosław *vid = skb_vlan_tag_get_id(skb); 12142594e906SNikolay Aleksandrov } else { 1215a37b85c9SVlad Yasevich *vid = 0; 1216a37b85c9SVlad Yasevich err = -EINVAL; 1217a37b85c9SVlad Yasevich } 1218a37b85c9SVlad Yasevich 1219a37b85c9SVlad Yasevich return err; 1220a37b85c9SVlad Yasevich } 122178851988SVlad Yasevich 122277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 122378851988SVlad Yasevich { 122477751ee8SNikolay Aleksandrov if (!vg) 12255be5a2dfSVlad Yasevich return 0; 12265be5a2dfSVlad Yasevich 122778851988SVlad Yasevich smp_rmb(); 122877751ee8SNikolay Aleksandrov return vg->pvid; 122978851988SVlad Yasevich } 123078851988SVlad Yasevich 12318dcea187SNikolay Aleksandrov static inline u16 br_vlan_flags(const struct net_bridge_vlan *v, u16 pvid) 12328dcea187SNikolay Aleksandrov { 12338dcea187SNikolay Aleksandrov return v->vid == pvid ? v->flags | BRIDGE_VLAN_INFO_PVID : v->flags; 12348dcea187SNikolay Aleksandrov } 1235243a2e63SVlad Yasevich #else 123677751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 123777751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 12382594e906SNikolay Aleksandrov struct sk_buff *skb, 1239a580c76dSNikolay Aleksandrov u16 *vid, u8 *state) 12402594e906SNikolay Aleksandrov { 12412594e906SNikolay Aleksandrov return true; 12422594e906SNikolay Aleksandrov } 12432594e906SNikolay Aleksandrov 12442594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 124585f46c6bSVlad Yasevich const struct sk_buff *skb) 124685f46c6bSVlad Yasevich { 124785f46c6bSVlad Yasevich return true; 124885f46c6bSVlad Yasevich } 124985f46c6bSVlad Yasevich 1250e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 1251e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 1252e0d7968aSToshiaki Makita { 1253e0d7968aSToshiaki Makita return true; 1254e0d7968aSToshiaki Makita } 1255e0d7968aSToshiaki Makita 125678851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 125711538d03SRoopa Prabhu const struct net_bridge_port *port, 12582594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 125978851988SVlad Yasevich struct sk_buff *skb) 126078851988SVlad Yasevich { 126178851988SVlad Yasevich return skb; 126278851988SVlad Yasevich } 126378851988SVlad Yasevich 1264f418af63SNikolay Aleksandrov static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags, 1265169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1266243a2e63SVlad Yasevich { 1267f418af63SNikolay Aleksandrov *changed = false; 1268243a2e63SVlad Yasevich return -EOPNOTSUPP; 1269243a2e63SVlad Yasevich } 1270243a2e63SVlad Yasevich 1271243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 1272243a2e63SVlad Yasevich { 1273243a2e63SVlad Yasevich return -EOPNOTSUPP; 1274243a2e63SVlad Yasevich } 1275243a2e63SVlad Yasevich 1276243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 1277243a2e63SVlad Yasevich { 1278243a2e63SVlad Yasevich } 1279243a2e63SVlad Yasevich 1280204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 1281204177f3SToshiaki Makita { 1282204177f3SToshiaki Makita } 1283204177f3SToshiaki Makita 12845be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 12858580e211SToshiaki Makita { 12865be5a2dfSVlad Yasevich return 0; 12878580e211SToshiaki Makita } 12888580e211SToshiaki Makita 1289f418af63SNikolay Aleksandrov static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags, 1290169327d5SPetr Machata bool *changed, struct netlink_ext_ack *extack) 1291243a2e63SVlad Yasevich { 1292f418af63SNikolay Aleksandrov *changed = false; 1293243a2e63SVlad Yasevich return -EOPNOTSUPP; 1294243a2e63SVlad Yasevich } 1295243a2e63SVlad Yasevich 1296243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 1297243a2e63SVlad Yasevich { 1298243a2e63SVlad Yasevich return -EOPNOTSUPP; 1299243a2e63SVlad Yasevich } 1300243a2e63SVlad Yasevich 1301243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 1302243a2e63SVlad Yasevich { 1303243a2e63SVlad Yasevich } 1304243a2e63SVlad Yasevich 13052594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 13062594e906SNikolay Aleksandrov u16 vid) 1307a37b85c9SVlad Yasevich { 1308a37b85c9SVlad Yasevich return NULL; 1309a37b85c9SVlad Yasevich } 1310bc9a25d2SVlad Yasevich 1311169327d5SPetr Machata static inline int nbp_vlan_init(struct net_bridge_port *port, 1312169327d5SPetr Machata struct netlink_ext_ack *extack) 13135be5a2dfSVlad Yasevich { 13145be5a2dfSVlad Yasevich return 0; 13155be5a2dfSVlad Yasevich } 13165be5a2dfSVlad Yasevich 131778851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 1318a37b85c9SVlad Yasevich { 1319a37b85c9SVlad Yasevich return 0; 1320a37b85c9SVlad Yasevich } 13212594e906SNikolay Aleksandrov 132277751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 132378851988SVlad Yasevich { 13243df6bf45SVlad Yasevich return 0; 132578851988SVlad Yasevich } 13262796d0c6SVlad Yasevich 13277a572964SVladimir Oltean static inline int br_vlan_filter_toggle(struct net_bridge *br, 1328c97f47e3SVladimir Oltean unsigned long val, 1329c97f47e3SVladimir Oltean struct netlink_ext_ack *extack) 1330a7854037SNikolay Aleksandrov { 1331a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 1332a7854037SNikolay Aleksandrov } 13332594e906SNikolay Aleksandrov 13342594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 13352594e906SNikolay Aleksandrov u32 filter_mask) 13362594e906SNikolay Aleksandrov { 13372594e906SNikolay Aleksandrov return 0; 13382594e906SNikolay Aleksandrov } 13392594e906SNikolay Aleksandrov 1340bcf2766bSFelix Fietkau static inline void br_vlan_fill_forward_path_pvid(struct net_bridge *br, 1341bcf2766bSFelix Fietkau struct net_device_path_ctx *ctx, 1342bcf2766bSFelix Fietkau struct net_device_path *path) 1343bcf2766bSFelix Fietkau { 1344bcf2766bSFelix Fietkau } 1345bcf2766bSFelix Fietkau 1346bcf2766bSFelix Fietkau static inline int br_vlan_fill_forward_path_mode(struct net_bridge *br, 1347bcf2766bSFelix Fietkau struct net_bridge_port *dst, 1348bcf2766bSFelix Fietkau struct net_device_path *path) 1349bcf2766bSFelix Fietkau { 1350bcf2766bSFelix Fietkau return 0; 1351bcf2766bSFelix Fietkau } 1352bcf2766bSFelix Fietkau 13532594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 13542594e906SNikolay Aleksandrov const struct net_bridge *br) 13552594e906SNikolay Aleksandrov { 13562594e906SNikolay Aleksandrov return NULL; 13572594e906SNikolay Aleksandrov } 13582594e906SNikolay Aleksandrov 13592594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 13602594e906SNikolay Aleksandrov const struct net_bridge_port *p) 13612594e906SNikolay Aleksandrov { 13622594e906SNikolay Aleksandrov return NULL; 13632594e906SNikolay Aleksandrov } 1364907b1e6eSNikolay Aleksandrov 1365907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 1366907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 1367907b1e6eSNikolay Aleksandrov { 1368907b1e6eSNikolay Aleksandrov return NULL; 1369907b1e6eSNikolay Aleksandrov } 1370907b1e6eSNikolay Aleksandrov 1371907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 1372907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 1373907b1e6eSNikolay Aleksandrov { 1374907b1e6eSNikolay Aleksandrov return NULL; 1375907b1e6eSNikolay Aleksandrov } 1376a60c0903SNikolay Aleksandrov 1377a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 1378281cc284SHeiner Kallweit struct pcpu_sw_netstats *stats) 1379a60c0903SNikolay Aleksandrov { 1380a60c0903SNikolay Aleksandrov } 13819c0ec2e7SMike Manning 13829c0ec2e7SMike Manning static inline void br_vlan_port_event(struct net_bridge_port *p, 13839c0ec2e7SMike Manning unsigned long event) 13849c0ec2e7SMike Manning { 13859c0ec2e7SMike Manning } 13869c0ec2e7SMike Manning 1387091adf9bSNikolay Aleksandrov static inline int br_vlan_bridge_event(struct net_device *dev, 13889c0ec2e7SMike Manning unsigned long event, void *ptr) 13899c0ec2e7SMike Manning { 1390091adf9bSNikolay Aleksandrov return 0; 13919c0ec2e7SMike Manning } 13928dcea187SNikolay Aleksandrov 13938dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_init(void) 13948dcea187SNikolay Aleksandrov { 13958dcea187SNikolay Aleksandrov } 13968dcea187SNikolay Aleksandrov 13978dcea187SNikolay Aleksandrov static inline void br_vlan_rtnl_uninit(void) 13988dcea187SNikolay Aleksandrov { 13998dcea187SNikolay Aleksandrov } 1400cf5bddb9SNikolay Aleksandrov 1401cf5bddb9SNikolay Aleksandrov static inline void br_vlan_notify(const struct net_bridge *br, 1402cf5bddb9SNikolay Aleksandrov const struct net_bridge_port *p, 1403cf5bddb9SNikolay Aleksandrov u16 vid, u16 vid_range, 1404cf5bddb9SNikolay Aleksandrov int cmd) 1405cf5bddb9SNikolay Aleksandrov { 1406cf5bddb9SNikolay Aleksandrov } 1407528ae84aSNikolay Aleksandrov 1408528ae84aSNikolay Aleksandrov static inline bool br_vlan_can_enter_range(const struct net_bridge_vlan *v_curr, 1409528ae84aSNikolay Aleksandrov const struct net_bridge_vlan *range_end) 1410528ae84aSNikolay Aleksandrov { 1411528ae84aSNikolay Aleksandrov return true; 1412528ae84aSNikolay Aleksandrov } 1413243a2e63SVlad Yasevich #endif 1414243a2e63SVlad Yasevich 14157a53e718SNikolay Aleksandrov /* br_vlan_options.c */ 14167a53e718SNikolay Aleksandrov #ifdef CONFIG_BRIDGE_VLAN_FILTERING 141799f7c5e0SNikolay Aleksandrov bool br_vlan_opts_eq_range(const struct net_bridge_vlan *v_curr, 141899f7c5e0SNikolay Aleksandrov const struct net_bridge_vlan *range_end); 14197a53e718SNikolay Aleksandrov bool br_vlan_opts_fill(struct sk_buff *skb, const struct net_bridge_vlan *v); 14207a53e718SNikolay Aleksandrov size_t br_vlan_opts_nl_size(void); 1421a5d29ae2SNikolay Aleksandrov int br_vlan_process_options(const struct net_bridge *br, 1422a5d29ae2SNikolay Aleksandrov const struct net_bridge_port *p, 1423a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_start, 1424a5d29ae2SNikolay Aleksandrov struct net_bridge_vlan *range_end, 1425a5d29ae2SNikolay Aleksandrov struct nlattr **tb, 1426a5d29ae2SNikolay Aleksandrov struct netlink_ext_ack *extack); 1427a580c76dSNikolay Aleksandrov 1428a580c76dSNikolay Aleksandrov /* vlan state manipulation helpers using *_ONCE to annotate lock-free access */ 1429a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_state(const struct net_bridge_vlan *v) 1430a580c76dSNikolay Aleksandrov { 1431a580c76dSNikolay Aleksandrov return READ_ONCE(v->state); 1432a580c76dSNikolay Aleksandrov } 1433a580c76dSNikolay Aleksandrov 1434a580c76dSNikolay Aleksandrov static inline void br_vlan_set_state(struct net_bridge_vlan *v, u8 state) 1435a580c76dSNikolay Aleksandrov { 1436a580c76dSNikolay Aleksandrov WRITE_ONCE(v->state, state); 1437a580c76dSNikolay Aleksandrov } 1438a580c76dSNikolay Aleksandrov 1439a580c76dSNikolay Aleksandrov static inline u8 br_vlan_get_pvid_state(const struct net_bridge_vlan_group *vg) 1440a580c76dSNikolay Aleksandrov { 1441a580c76dSNikolay Aleksandrov return READ_ONCE(vg->pvid_state); 1442a580c76dSNikolay Aleksandrov } 1443a580c76dSNikolay Aleksandrov 1444a580c76dSNikolay Aleksandrov static inline void br_vlan_set_pvid_state(struct net_bridge_vlan_group *vg, 1445a580c76dSNikolay Aleksandrov u8 state) 1446a580c76dSNikolay Aleksandrov { 1447a580c76dSNikolay Aleksandrov WRITE_ONCE(vg->pvid_state, state); 1448a580c76dSNikolay Aleksandrov } 1449a580c76dSNikolay Aleksandrov 1450a580c76dSNikolay Aleksandrov /* learn_allow is true at ingress and false at egress */ 1451a580c76dSNikolay Aleksandrov static inline bool br_vlan_state_allowed(u8 state, bool learn_allow) 1452a580c76dSNikolay Aleksandrov { 1453a580c76dSNikolay Aleksandrov switch (state) { 1454a580c76dSNikolay Aleksandrov case BR_STATE_LEARNING: 1455a580c76dSNikolay Aleksandrov return learn_allow; 1456a580c76dSNikolay Aleksandrov case BR_STATE_FORWARDING: 1457a580c76dSNikolay Aleksandrov return true; 1458a580c76dSNikolay Aleksandrov default: 1459a580c76dSNikolay Aleksandrov return false; 1460a580c76dSNikolay Aleksandrov } 1461a580c76dSNikolay Aleksandrov } 14627a53e718SNikolay Aleksandrov #endif 14637a53e718SNikolay Aleksandrov 14641a4ba64dSPablo Neira Ayuso struct nf_br_ops { 14651a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 14661a4ba64dSPablo Neira Ayuso }; 14671a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 14681a4ba64dSPablo Neira Ayuso 14691da177e4SLinus Torvalds /* br_netfilter.c */ 147034666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 147134666d46SPablo Neira Ayuso int br_nf_core_init(void); 147234666d46SPablo Neira Ayuso void br_nf_core_fini(void); 1473348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 1474c0909713SStephen Hemminger #else 147534666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 147634666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 14774adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 1478c0909713SStephen Hemminger #endif 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvalds /* br_stp.c */ 1481775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 1482348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 1483348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 1484348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 14851da177e4SLinus Torvalds 1486348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 1487348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 1488348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 1489348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 149082dd4332SVivien Didelot int __set_ageing_time(struct net_device *dev, unsigned long t); 14919e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 149214f98f25Sstephen hemminger 149314f98f25Sstephen hemminger 14941da177e4SLinus Torvalds /* br_stp_if.c */ 1495348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1496348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1497419dba8aSHoratiu Vultur int br_stp_set_enabled(struct net_bridge *br, unsigned long val, 1498419dba8aSHoratiu Vultur struct netlink_ext_ack *extack); 1499348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1500348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1501348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1502348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1503348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1504348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1505348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1506348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 15071da177e4SLinus Torvalds 15081da177e4SLinus Torvalds /* br_stp_bpdu.c */ 15097c85fbf0SPatrick McHardy struct stp_proto; 1510348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 15117c85fbf0SPatrick McHardy struct net_device *dev); 15121da177e4SLinus Torvalds 15131da177e4SLinus Torvalds /* br_stp_timer.c */ 1514348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1515348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1516348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 15171da177e4SLinus Torvalds 15181da177e4SLinus Torvalds /* br.c */ 1519e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1520da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1521da678292SMichał Mirosław #endif 15221da177e4SLinus Torvalds 152365369933SHoratiu Vultur /* br_mrp.c */ 152465369933SHoratiu Vultur #if IS_ENABLED(CONFIG_BRIDGE_MRP) 152565369933SHoratiu Vultur int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 152665369933SHoratiu Vultur struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 152765369933SHoratiu Vultur bool br_mrp_enabled(struct net_bridge *br); 152865369933SHoratiu Vultur void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); 1529df42ef22SHoratiu Vultur int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); 153065369933SHoratiu Vultur #else 153165369933SHoratiu Vultur static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, 153265369933SHoratiu Vultur struct nlattr *attr, int cmd, 153365369933SHoratiu Vultur struct netlink_ext_ack *extack) 153465369933SHoratiu Vultur { 153565369933SHoratiu Vultur return -EOPNOTSUPP; 153665369933SHoratiu Vultur } 153765369933SHoratiu Vultur 153865369933SHoratiu Vultur static inline bool br_mrp_enabled(struct net_bridge *br) 153965369933SHoratiu Vultur { 15408741e184SJason Yan return false; 154165369933SHoratiu Vultur } 154265369933SHoratiu Vultur 154365369933SHoratiu Vultur static inline void br_mrp_port_del(struct net_bridge *br, 154465369933SHoratiu Vultur struct net_bridge_port *p) 154565369933SHoratiu Vultur { 154665369933SHoratiu Vultur } 1547df42ef22SHoratiu Vultur 1548df42ef22SHoratiu Vultur static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) 1549df42ef22SHoratiu Vultur { 1550df42ef22SHoratiu Vultur return 0; 1551df42ef22SHoratiu Vultur } 1552df42ef22SHoratiu Vultur 155365369933SHoratiu Vultur #endif 155465369933SHoratiu Vultur 15552be665c3SHenrik Bjoernlund /* br_cfm.c */ 155686a14b79SHenrik Bjoernlund #if IS_ENABLED(CONFIG_BRIDGE_CFM) 15572be665c3SHenrik Bjoernlund int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 15582be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, struct netlink_ext_ack *extack); 15592be665c3SHenrik Bjoernlund bool br_cfm_created(struct net_bridge *br); 156086a14b79SHenrik Bjoernlund void br_cfm_port_del(struct net_bridge *br, struct net_bridge_port *p); 15615e312fc0SHenrik Bjoernlund int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br); 1562b6d0425bSHenrik Bjoernlund int br_cfm_status_fill_info(struct sk_buff *skb, 1563b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1564b6d0425bSHenrik Bjoernlund bool getlink); 1565b6d0425bSHenrik Bjoernlund int br_cfm_mep_count(struct net_bridge *br, u32 *count); 1566b6d0425bSHenrik Bjoernlund int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count); 156786a14b79SHenrik Bjoernlund #else 15682be665c3SHenrik Bjoernlund static inline int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p, 15692be665c3SHenrik Bjoernlund struct nlattr *attr, int cmd, 15702be665c3SHenrik Bjoernlund struct netlink_ext_ack *extack) 15712be665c3SHenrik Bjoernlund { 15722be665c3SHenrik Bjoernlund return -EOPNOTSUPP; 15732be665c3SHenrik Bjoernlund } 15742be665c3SHenrik Bjoernlund 15752be665c3SHenrik Bjoernlund static inline bool br_cfm_created(struct net_bridge *br) 15762be665c3SHenrik Bjoernlund { 15772be665c3SHenrik Bjoernlund return false; 15782be665c3SHenrik Bjoernlund } 15792be665c3SHenrik Bjoernlund 158086a14b79SHenrik Bjoernlund static inline void br_cfm_port_del(struct net_bridge *br, 158186a14b79SHenrik Bjoernlund struct net_bridge_port *p) 158286a14b79SHenrik Bjoernlund { 158386a14b79SHenrik Bjoernlund } 15845e312fc0SHenrik Bjoernlund 15855e312fc0SHenrik Bjoernlund static inline int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br) 15865e312fc0SHenrik Bjoernlund { 15875e312fc0SHenrik Bjoernlund return -EOPNOTSUPP; 15885e312fc0SHenrik Bjoernlund } 1589e77824d8SHenrik Bjoernlund 1590b6d0425bSHenrik Bjoernlund static inline int br_cfm_status_fill_info(struct sk_buff *skb, 1591b6d0425bSHenrik Bjoernlund struct net_bridge *br, 1592b6d0425bSHenrik Bjoernlund bool getlink) 1593b6d0425bSHenrik Bjoernlund { 1594b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1595b6d0425bSHenrik Bjoernlund } 1596b6d0425bSHenrik Bjoernlund 1597b6d0425bSHenrik Bjoernlund static inline int br_cfm_mep_count(struct net_bridge *br, u32 *count) 1598b6d0425bSHenrik Bjoernlund { 1599b6d0425bSHenrik Bjoernlund return -EOPNOTSUPP; 1600b6d0425bSHenrik Bjoernlund } 1601b6d0425bSHenrik Bjoernlund 1602b6d0425bSHenrik Bjoernlund static inline int br_cfm_peer_mep_count(struct net_bridge *br, u32 *count) 1603e77824d8SHenrik Bjoernlund { 1604e77824d8SHenrik Bjoernlund return -EOPNOTSUPP; 1605e77824d8SHenrik Bjoernlund } 160686a14b79SHenrik Bjoernlund #endif 160786a14b79SHenrik Bjoernlund 160811dc1f36SStephen Hemminger /* br_netlink.c */ 1609149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1610348662a1SJoe Perches int br_netlink_init(void); 1611348662a1SJoe Perches void br_netlink_fini(void); 161292899063SNikolay Aleksandrov void br_ifinfo_notify(int event, const struct net_bridge *br, 161392899063SNikolay Aleksandrov const struct net_bridge_port *port); 1614b6d0425bSHenrik Bjoernlund void br_info_notify(int event, const struct net_bridge *br, 1615b6d0425bSHenrik Bjoernlund const struct net_bridge_port *port, u32 filter); 16162fd527b7SPetr Machata int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags, 16172fd527b7SPetr Machata struct netlink_ext_ack *extack); 1618add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1619348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 162046c264daSNicolas Dichtel u32 filter_mask, int nlflags); 1621f26b2965SNikolay Aleksandrov int br_process_vlan_info(struct net_bridge *br, 1622f26b2965SNikolay Aleksandrov struct net_bridge_port *p, int cmd, 1623f26b2965SNikolay Aleksandrov struct bridge_vlan_info *vinfo_curr, 1624f26b2965SNikolay Aleksandrov struct bridge_vlan_info **vinfo_last, 1625f26b2965SNikolay Aleksandrov bool *changed, 1626f26b2965SNikolay Aleksandrov struct netlink_ext_ack *extack); 162711dc1f36SStephen Hemminger 16281da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 16291da177e4SLinus Torvalds /* br_sysfs_if.c */ 163052cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1631348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1632348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvalds /* br_sysfs_br.c */ 1635348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1636348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvalds #else 16391da177e4SLinus Torvalds 16400cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 16410cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 16420cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 16430cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 16441da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 16451da177e4SLinus Torvalds 16466bc506b4SIdo Schimmel /* br_switchdev.c */ 16476bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 16486bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 16496bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 16506bc506b4SIdo Schimmel struct sk_buff *skb); 16516bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 16526bc506b4SIdo Schimmel const struct sk_buff *skb); 16533922285dSArkadi Sharshevsky int br_switchdev_set_port_flag(struct net_bridge_port *p, 16543922285dSArkadi Sharshevsky unsigned long flags, 1655078bbb85SVladimir Oltean unsigned long mask, 1656078bbb85SVladimir Oltean struct netlink_ext_ack *extack); 16576eb38bf8STobias Waldekranz void br_switchdev_fdb_notify(struct net_bridge *br, 16586eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type); 1659169327d5SPetr Machata int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, 1660169327d5SPetr Machata struct netlink_ext_ack *extack); 1661d66e4348SPetr Machata int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); 1662f1c2eddfSIdo Schimmel 1663f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1664f1c2eddfSIdo Schimmel { 1665f1c2eddfSIdo Schimmel skb->offload_fwd_mark = 0; 1666f1c2eddfSIdo Schimmel } 16676bc506b4SIdo Schimmel #else 16686bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 16696bc506b4SIdo Schimmel { 16706bc506b4SIdo Schimmel return 0; 16716bc506b4SIdo Schimmel } 16726bc506b4SIdo Schimmel 16736bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 16746bc506b4SIdo Schimmel struct sk_buff *skb) 16756bc506b4SIdo Schimmel { 16766bc506b4SIdo Schimmel } 16776bc506b4SIdo Schimmel 16786bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 16796bc506b4SIdo Schimmel const struct sk_buff *skb) 16806bc506b4SIdo Schimmel { 16816bc506b4SIdo Schimmel return true; 16826bc506b4SIdo Schimmel } 16833922285dSArkadi Sharshevsky 16843922285dSArkadi Sharshevsky static inline int br_switchdev_set_port_flag(struct net_bridge_port *p, 16853922285dSArkadi Sharshevsky unsigned long flags, 1686078bbb85SVladimir Oltean unsigned long mask, 1687078bbb85SVladimir Oltean struct netlink_ext_ack *extack) 16883922285dSArkadi Sharshevsky { 16893922285dSArkadi Sharshevsky return 0; 16903922285dSArkadi Sharshevsky } 16916b26b51bSArkadi Sharshevsky 1692d66e4348SPetr Machata static inline int br_switchdev_port_vlan_add(struct net_device *dev, 1693169327d5SPetr Machata u16 vid, u16 flags, 1694169327d5SPetr Machata struct netlink_ext_ack *extack) 1695d66e4348SPetr Machata { 1696d66e4348SPetr Machata return -EOPNOTSUPP; 1697d66e4348SPetr Machata } 1698d66e4348SPetr Machata 1699d66e4348SPetr Machata static inline int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid) 1700d66e4348SPetr Machata { 1701d66e4348SPetr Machata return -EOPNOTSUPP; 1702d66e4348SPetr Machata } 1703d66e4348SPetr Machata 17046b26b51bSArkadi Sharshevsky static inline void 17056eb38bf8STobias Waldekranz br_switchdev_fdb_notify(struct net_bridge *br, 17066eb38bf8STobias Waldekranz const struct net_bridge_fdb_entry *fdb, int type) 17076b26b51bSArkadi Sharshevsky { 17086b26b51bSArkadi Sharshevsky } 1709f1c2eddfSIdo Schimmel 1710f1c2eddfSIdo Schimmel static inline void br_switchdev_frame_unmark(struct sk_buff *skb) 1711f1c2eddfSIdo Schimmel { 1712f1c2eddfSIdo Schimmel } 17136bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 17146bc506b4SIdo Schimmel 1715057658cbSRoopa Prabhu /* br_arp_nd_proxy.c */ 1716821f1b21SRoopa Prabhu void br_recalculate_neigh_suppress_enabled(struct net_bridge *br); 1717057658cbSRoopa Prabhu void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br, 1718057658cbSRoopa Prabhu u16 vid, struct net_bridge_port *p); 1719ed842faeSRoopa Prabhu void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br, 1720ed842faeSRoopa Prabhu u16 vid, struct net_bridge_port *p, struct nd_msg *msg); 1721ed842faeSRoopa Prabhu struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m); 17221da177e4SLinus Torvalds #endif 1723