11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Linux ethernet bridge 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Authors: 51da177e4SLinus Torvalds * Lennert Buytenhek <buytenh@gnu.org> 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or 81da177e4SLinus Torvalds * modify it under the terms of the GNU General Public License 91da177e4SLinus Torvalds * as published by the Free Software Foundation; either version 101da177e4SLinus Torvalds * 2 of the License, or (at your option) any later version. 111da177e4SLinus Torvalds */ 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #ifndef _BR_PRIVATE_H 141da177e4SLinus Torvalds #define _BR_PRIVATE_H 151da177e4SLinus Torvalds 161da177e4SLinus Torvalds #include <linux/netdevice.h> 171da177e4SLinus Torvalds #include <linux/if_bridge.h> 1891d2c34aSHerbert Xu #include <linux/netpoll.h> 19406818ffSEric Dumazet #include <linux/u64_stats_sync.h> 204adf0af6SSimon Wunderlich #include <net/route.h> 21efb6de9bSBernhard Thaler #include <net/ip6_fib.h> 22243a2e63SVlad Yasevich #include <linux/if_vlan.h> 232594e906SNikolay Aleksandrov #include <linux/rhashtable.h> 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #define BR_HASH_BITS 8 261da177e4SLinus Torvalds #define BR_HASH_SIZE (1 << BR_HASH_BITS) 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define BR_HOLD_TIME (1*HZ) 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #define BR_PORT_BITS 10 311da177e4SLinus Torvalds #define BR_MAX_PORTS (1<<BR_PORT_BITS) 321da177e4SLinus Torvalds 339cde0708SStephen Hemminger #define BR_VERSION "2.3" 349cde0708SStephen Hemminger 35515853ccSstephen hemminger /* Control of forwarding link local multicast */ 36515853ccSstephen hemminger #define BR_GROUPFWD_DEFAULT 0 37784b58a3SBernhard Thaler /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ 38784b58a3SBernhard Thaler #define BR_GROUPFWD_RESTRICTED 0x0007u 39f2808d22SToshiaki Makita /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ 40f2808d22SToshiaki Makita #define BR_GROUPFWD_8021AD 0xB801u 41515853ccSstephen hemminger 429cde0708SStephen Hemminger /* Path to usermode spanning tree program */ 439cde0708SStephen Hemminger #define BR_STP_PROG "/sbin/bridge-stp" 448cbb512eSStephen Hemminger 451da177e4SLinus Torvalds typedef struct bridge_id bridge_id; 461da177e4SLinus Torvalds typedef struct mac_addr mac_addr; 471da177e4SLinus Torvalds typedef __u16 port_id; 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds struct bridge_id 501da177e4SLinus Torvalds { 511da177e4SLinus Torvalds unsigned char prio[2]; 52e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 531da177e4SLinus Torvalds }; 541da177e4SLinus Torvalds 551da177e4SLinus Torvalds struct mac_addr 561da177e4SLinus Torvalds { 57e5a727f6SJoe Perches unsigned char addr[ETH_ALEN]; 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 60cc0fdd80SLinus Lüssing #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 61cc0fdd80SLinus Lüssing /* our own querier */ 6290010b36SLinus Lüssing struct bridge_mcast_own_query { 63cc0fdd80SLinus Lüssing struct timer_list timer; 64cc0fdd80SLinus Lüssing u32 startup_sent; 65cc0fdd80SLinus Lüssing }; 66cc0fdd80SLinus Lüssing 67cc0fdd80SLinus Lüssing /* other querier */ 6890010b36SLinus Lüssing struct bridge_mcast_other_query { 69cc0fdd80SLinus Lüssing struct timer_list timer; 70cc0fdd80SLinus Lüssing unsigned long delay_time; 71cc0fdd80SLinus Lüssing }; 72dc4eb53aSLinus Lüssing 73dc4eb53aSLinus Lüssing /* selected querier */ 74dc4eb53aSLinus Lüssing struct bridge_mcast_querier { 75dc4eb53aSLinus Lüssing struct br_ip addr; 762cd41431SLinus Lüssing struct net_bridge_port __rcu *port; 77dc4eb53aSLinus Lüssing }; 781080ab95SNikolay Aleksandrov 791080ab95SNikolay Aleksandrov /* IGMP/MLD statistics */ 801080ab95SNikolay Aleksandrov struct bridge_mcast_stats { 811080ab95SNikolay Aleksandrov struct br_mcast_stats mstats; 821080ab95SNikolay Aleksandrov struct u64_stats_sync syncp; 831080ab95SNikolay Aleksandrov }; 84cc0fdd80SLinus Lüssing #endif 85cc0fdd80SLinus Lüssing 866dada9b1SNikolay Aleksandrov struct br_vlan_stats { 876dada9b1SNikolay Aleksandrov u64 rx_bytes; 886dada9b1SNikolay Aleksandrov u64 rx_packets; 896dada9b1SNikolay Aleksandrov u64 tx_bytes; 906dada9b1SNikolay Aleksandrov u64 tx_packets; 916dada9b1SNikolay Aleksandrov struct u64_stats_sync syncp; 926dada9b1SNikolay Aleksandrov }; 936dada9b1SNikolay Aleksandrov 942594e906SNikolay Aleksandrov /** 952594e906SNikolay Aleksandrov * struct net_bridge_vlan - per-vlan entry 962594e906SNikolay Aleksandrov * 972594e906SNikolay Aleksandrov * @vnode: rhashtable member 982594e906SNikolay Aleksandrov * @vid: VLAN id 992594e906SNikolay Aleksandrov * @flags: bridge vlan flags 1006dada9b1SNikolay Aleksandrov * @stats: per-cpu VLAN statistics 1012594e906SNikolay Aleksandrov * @br: if MASTER flag set, this points to a bridge struct 1022594e906SNikolay Aleksandrov * @port: if MASTER flag unset, this points to a port struct 1032594e906SNikolay Aleksandrov * @refcnt: if MASTER flag set, this is bumped for each port referencing it 1042594e906SNikolay Aleksandrov * @brvlan: if MASTER flag unset, this points to the global per-VLAN context 1052594e906SNikolay Aleksandrov * for this VLAN entry 1062594e906SNikolay Aleksandrov * @vlist: sorted list of VLAN entries 1072594e906SNikolay Aleksandrov * @rcu: used for entry destruction 1082594e906SNikolay Aleksandrov * 1092594e906SNikolay Aleksandrov * This structure is shared between the global per-VLAN entries contained in 1102594e906SNikolay Aleksandrov * the bridge rhashtable and the local per-port per-VLAN entries contained in 1112594e906SNikolay Aleksandrov * the port's rhashtable. The union entries should be interpreted depending on 1122594e906SNikolay Aleksandrov * the entry flags that are set. 1132594e906SNikolay Aleksandrov */ 1142594e906SNikolay Aleksandrov struct net_bridge_vlan { 1152594e906SNikolay Aleksandrov struct rhash_head vnode; 1162594e906SNikolay Aleksandrov u16 vid; 1172594e906SNikolay Aleksandrov u16 flags; 1186dada9b1SNikolay Aleksandrov struct br_vlan_stats __percpu *stats; 119243a2e63SVlad Yasevich union { 120243a2e63SVlad Yasevich struct net_bridge *br; 1212594e906SNikolay Aleksandrov struct net_bridge_port *port; 1222594e906SNikolay Aleksandrov }; 1232594e906SNikolay Aleksandrov union { 1242594e906SNikolay Aleksandrov atomic_t refcnt; 1252594e906SNikolay Aleksandrov struct net_bridge_vlan *brvlan; 1262594e906SNikolay Aleksandrov }; 1272594e906SNikolay Aleksandrov struct list_head vlist; 1282594e906SNikolay Aleksandrov 129243a2e63SVlad Yasevich struct rcu_head rcu; 1302594e906SNikolay Aleksandrov }; 1312594e906SNikolay Aleksandrov 1322594e906SNikolay Aleksandrov /** 1332594e906SNikolay Aleksandrov * struct net_bridge_vlan_group 1342594e906SNikolay Aleksandrov * 1352594e906SNikolay Aleksandrov * @vlan_hash: VLAN entry rhashtable 1362594e906SNikolay Aleksandrov * @vlan_list: sorted VLAN entry list 1372594e906SNikolay Aleksandrov * @num_vlans: number of total VLAN entries 13877751ee8SNikolay Aleksandrov * @pvid: PVID VLAN id 1392594e906SNikolay Aleksandrov * 1402594e906SNikolay Aleksandrov * IMPORTANT: Be careful when checking if there're VLAN entries using list 1412594e906SNikolay Aleksandrov * primitives because the bridge can have entries in its list which 1422594e906SNikolay Aleksandrov * are just for global context but not for filtering, i.e. they have 1432594e906SNikolay Aleksandrov * the master flag set but not the brentry flag. If you have to check 1442594e906SNikolay Aleksandrov * if there're "real" entries in the bridge please test @num_vlans 1452594e906SNikolay Aleksandrov */ 1462594e906SNikolay Aleksandrov struct net_bridge_vlan_group { 1472594e906SNikolay Aleksandrov struct rhashtable vlan_hash; 1482594e906SNikolay Aleksandrov struct list_head vlan_list; 1496cbdceebSVlad Yasevich u16 num_vlans; 15077751ee8SNikolay Aleksandrov u16 pvid; 151243a2e63SVlad Yasevich }; 152243a2e63SVlad Yasevich 1531da177e4SLinus Torvalds struct net_bridge_fdb_entry 1541da177e4SLinus Torvalds { 1551da177e4SLinus Torvalds struct hlist_node hlist; 1561da177e4SLinus Torvalds struct net_bridge_port *dst; 1571da177e4SLinus Torvalds 1587cd8861aSstephen hemminger unsigned long updated; 1597cd8861aSstephen hemminger unsigned long used; 1601da177e4SLinus Torvalds mac_addr addr; 161b22fbf22SNikolay Aleksandrov __u16 vlan_id; 16293859b13SJiri Pirko unsigned char is_local:1, 16393859b13SJiri Pirko is_static:1, 164cf6b8e1eSScott Feldman added_by_user:1, 165cf6b8e1eSScott Feldman added_by_external_learn:1; 166b22fbf22SNikolay Aleksandrov struct rcu_head rcu; 1671da177e4SLinus Torvalds }; 1681da177e4SLinus Torvalds 1699d06b6d8SElad Raz #define MDB_PG_FLAGS_PERMANENT BIT(0) 1709d06b6d8SElad Raz #define MDB_PG_FLAGS_OFFLOAD BIT(1) 1719d06b6d8SElad Raz 172eb1d1641SHerbert Xu struct net_bridge_port_group { 173eb1d1641SHerbert Xu struct net_bridge_port *port; 174e8051688SEric Dumazet struct net_bridge_port_group __rcu *next; 175eb1d1641SHerbert Xu struct hlist_node mglist; 176eb1d1641SHerbert Xu struct rcu_head rcu; 177eb1d1641SHerbert Xu struct timer_list timer; 1788ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1799d06b6d8SElad Raz unsigned char flags; 180eb1d1641SHerbert Xu }; 181eb1d1641SHerbert Xu 182eb1d1641SHerbert Xu struct net_bridge_mdb_entry 183eb1d1641SHerbert Xu { 184eb1d1641SHerbert Xu struct hlist_node hlist[2]; 185eb1d1641SHerbert Xu struct net_bridge *br; 186e8051688SEric Dumazet struct net_bridge_port_group __rcu *ports; 187eb1d1641SHerbert Xu struct rcu_head rcu; 188eb1d1641SHerbert Xu struct timer_list timer; 1898ef2a9a5SYOSHIFUJI Hideaki struct br_ip addr; 1908a870178SHerbert Xu bool mglist; 191eb1d1641SHerbert Xu }; 192eb1d1641SHerbert Xu 193eb1d1641SHerbert Xu struct net_bridge_mdb_htable 194eb1d1641SHerbert Xu { 195eb1d1641SHerbert Xu struct hlist_head *mhash; 196eb1d1641SHerbert Xu struct rcu_head rcu; 197eb1d1641SHerbert Xu struct net_bridge_mdb_htable *old; 198eb1d1641SHerbert Xu u32 size; 199eb1d1641SHerbert Xu u32 max; 200eb1d1641SHerbert Xu u32 secret; 201eb1d1641SHerbert Xu u32 ver; 202eb1d1641SHerbert Xu }; 203eb1d1641SHerbert Xu 2041da177e4SLinus Torvalds struct net_bridge_port 2051da177e4SLinus Torvalds { 2061da177e4SLinus Torvalds struct net_bridge *br; 2071da177e4SLinus Torvalds struct net_device *dev; 2081da177e4SLinus Torvalds struct list_head list; 2091da177e4SLinus Torvalds 2101da177e4SLinus Torvalds /* STP */ 2111da177e4SLinus Torvalds u8 priority; 2121da177e4SLinus Torvalds u8 state; 2131da177e4SLinus Torvalds u16 port_no; 2141da177e4SLinus Torvalds unsigned char topology_change_ack; 2151da177e4SLinus Torvalds unsigned char config_pending; 2161da177e4SLinus Torvalds port_id port_id; 2171da177e4SLinus Torvalds port_id designated_port; 2181da177e4SLinus Torvalds bridge_id designated_root; 2191da177e4SLinus Torvalds bridge_id designated_bridge; 2201da177e4SLinus Torvalds u32 path_cost; 2211da177e4SLinus Torvalds u32 designated_cost; 2220c03150eSstephen hemminger unsigned long designated_age; 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds struct timer_list forward_delay_timer; 2251da177e4SLinus Torvalds struct timer_list hold_timer; 2261da177e4SLinus Torvalds struct timer_list message_age_timer; 2271da177e4SLinus Torvalds struct kobject kobj; 2281da177e4SLinus Torvalds struct rcu_head rcu; 2293982d3d2SFischer, Anna 2303982d3d2SFischer, Anna unsigned long flags; 231eb1d1641SHerbert Xu 232eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 23390010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 234cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 23590010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 236cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 237eb1d1641SHerbert Xu unsigned char multicast_router; 2381080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 239eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 240eb1d1641SHerbert Xu struct hlist_head mglist; 241eb1d1641SHerbert Xu struct hlist_node rlist; 242eb1d1641SHerbert Xu #endif 243e0f43752SSimon Arlott 244e0f43752SSimon Arlott #ifdef CONFIG_SYSFS 245e0f43752SSimon Arlott char sysfs_name[IFNAMSIZ]; 246e0f43752SSimon Arlott #endif 24791d2c34aSHerbert Xu 24891d2c34aSHerbert Xu #ifdef CONFIG_NET_POLL_CONTROLLER 24991d2c34aSHerbert Xu struct netpoll *np; 25091d2c34aSHerbert Xu #endif 251243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 252907b1e6eSNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 253243a2e63SVlad Yasevich #endif 2546bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 2556bc506b4SIdo Schimmel int offload_fwd_mark; 2566bc506b4SIdo Schimmel #endif 2571da177e4SLinus Torvalds }; 2581da177e4SLinus Torvalds 259e028e4b8SVlad Yasevich #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) 260f3a6ddf1SVlad Yasevich #define br_promisc_port(p) ((p)->flags & BR_PROMISC) 261e028e4b8SVlad Yasevich 262f350a0a8SJiri Pirko #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) 263f350a0a8SJiri Pirko 264b5ed54e9Sstephen hemminger static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) 265b5ed54e9Sstephen hemminger { 266716ec052SHong Zhiguo return rcu_dereference(dev->rx_handler_data); 267b5ed54e9Sstephen hemminger } 268b5ed54e9Sstephen hemminger 2691fb1754aSHong Zhiguo static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) 270b5ed54e9Sstephen hemminger { 271ec1e5610SEric Dumazet return br_port_exists(dev) ? 272ec1e5610SEric Dumazet rtnl_dereference(dev->rx_handler_data) : NULL; 273b5ed54e9Sstephen hemminger } 274b5ed54e9Sstephen hemminger 2751da177e4SLinus Torvalds struct net_bridge 2761da177e4SLinus Torvalds { 2771da177e4SLinus Torvalds spinlock_t lock; 2781da177e4SLinus Torvalds struct list_head port_list; 2791da177e4SLinus Torvalds struct net_device *dev; 28014bb4789Sstephen hemminger 2818f84985fSLi RongQing struct pcpu_sw_netstats __percpu *stats; 2821da177e4SLinus Torvalds spinlock_t hash_lock; 2831da177e4SLinus Torvalds struct hlist_head hash[BR_HASH_SIZE]; 28434666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 285efb6de9bSBernhard Thaler union { 2864adf0af6SSimon Wunderlich struct rtable fake_rtable; 287efb6de9bSBernhard Thaler struct rt6_info fake_rt6_info; 288efb6de9bSBernhard Thaler }; 2894df53d8bSPatrick McHardy bool nf_call_iptables; 2904df53d8bSPatrick McHardy bool nf_call_ip6tables; 2914df53d8bSPatrick McHardy bool nf_call_arptables; 2924adf0af6SSimon Wunderlich #endif 293515853ccSstephen hemminger u16 group_fwd_mask; 294f2808d22SToshiaki Makita u16 group_fwd_mask_required; 295515853ccSstephen hemminger 2961da177e4SLinus Torvalds /* STP */ 2971da177e4SLinus Torvalds bridge_id designated_root; 2981da177e4SLinus Torvalds bridge_id bridge_id; 2991da177e4SLinus Torvalds u32 root_path_cost; 3001da177e4SLinus Torvalds unsigned long max_age; 3011da177e4SLinus Torvalds unsigned long hello_time; 3021da177e4SLinus Torvalds unsigned long forward_delay; 3031da177e4SLinus Torvalds unsigned long bridge_max_age; 3041da177e4SLinus Torvalds unsigned long ageing_time; 3051da177e4SLinus Torvalds unsigned long bridge_hello_time; 3061da177e4SLinus Torvalds unsigned long bridge_forward_delay; 3071da177e4SLinus Torvalds 308fda93d92SStephen Hemminger u8 group_addr[ETH_ALEN]; 309204177f3SToshiaki Makita bool group_addr_set; 3101da177e4SLinus Torvalds u16 root_port; 3119cde0708SStephen Hemminger 3129cde0708SStephen Hemminger enum { 3139cde0708SStephen Hemminger BR_NO_STP, /* no spanning tree */ 3149cde0708SStephen Hemminger BR_KERNEL_STP, /* old STP in kernel */ 3159cde0708SStephen Hemminger BR_USER_STP, /* new RSTP in userspace */ 3169cde0708SStephen Hemminger } stp_enabled; 3179cde0708SStephen Hemminger 3181da177e4SLinus Torvalds unsigned char topology_change; 3191da177e4SLinus Torvalds unsigned char topology_change_detected; 3201da177e4SLinus Torvalds 321eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 322eb1d1641SHerbert Xu unsigned char multicast_router; 323eb1d1641SHerbert Xu 324eb1d1641SHerbert Xu u8 multicast_disabled:1; 325c5c23260SHerbert Xu u8 multicast_querier:1; 3261c8ad5bfSCong Wang u8 multicast_query_use_ifaddr:1; 3270888d5f3Sdaniel u8 has_ipv6_addr:1; 3281080ab95SNikolay Aleksandrov u8 multicast_stats_enabled:1; 329eb1d1641SHerbert Xu 330eb1d1641SHerbert Xu u32 hash_elasticity; 331eb1d1641SHerbert Xu u32 hash_max; 332eb1d1641SHerbert Xu 333eb1d1641SHerbert Xu u32 multicast_last_member_count; 334eb1d1641SHerbert Xu u32 multicast_startup_query_count; 335eb1d1641SHerbert Xu 336eb1d1641SHerbert Xu unsigned long multicast_last_member_interval; 337eb1d1641SHerbert Xu unsigned long multicast_membership_interval; 338eb1d1641SHerbert Xu unsigned long multicast_querier_interval; 339eb1d1641SHerbert Xu unsigned long multicast_query_interval; 340eb1d1641SHerbert Xu unsigned long multicast_query_response_interval; 341eb1d1641SHerbert Xu unsigned long multicast_startup_query_interval; 342eb1d1641SHerbert Xu 343eb1d1641SHerbert Xu spinlock_t multicast_lock; 344e8051688SEric Dumazet struct net_bridge_mdb_htable __rcu *mdb; 345eb1d1641SHerbert Xu struct hlist_head router_list; 346eb1d1641SHerbert Xu 347eb1d1641SHerbert Xu struct timer_list multicast_router_timer; 34890010b36SLinus Lüssing struct bridge_mcast_other_query ip4_other_query; 34990010b36SLinus Lüssing struct bridge_mcast_own_query ip4_own_query; 350dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip4_querier; 3511080ab95SNikolay Aleksandrov struct bridge_mcast_stats __percpu *mcast_stats; 352cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 35390010b36SLinus Lüssing struct bridge_mcast_other_query ip6_other_query; 35490010b36SLinus Lüssing struct bridge_mcast_own_query ip6_own_query; 355dc4eb53aSLinus Lüssing struct bridge_mcast_querier ip6_querier; 356cc0fdd80SLinus Lüssing #endif /* IS_ENABLED(CONFIG_IPV6) */ 357eb1d1641SHerbert Xu #endif 358eb1d1641SHerbert Xu 3591da177e4SLinus Torvalds struct timer_list hello_timer; 3601da177e4SLinus Torvalds struct timer_list tcn_timer; 3611da177e4SLinus Torvalds struct timer_list topology_change_timer; 3621da177e4SLinus Torvalds struct timer_list gc_timer; 36343b98c4aSGreg Kroah-Hartman struct kobject *ifobj; 364e028e4b8SVlad Yasevich u32 auto_cnt; 3656bc506b4SIdo Schimmel 3666bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3676bc506b4SIdo Schimmel int offload_fwd_mark; 3686bc506b4SIdo Schimmel #endif 3696bc506b4SIdo Schimmel 370243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 371907b1e6eSNikolay Aleksandrov struct net_bridge_vlan_group __rcu *vlgrp; 372243a2e63SVlad Yasevich u8 vlan_enabled; 3736dada9b1SNikolay Aleksandrov u8 vlan_stats_enabled; 3748580e211SToshiaki Makita __be16 vlan_proto; 37596a20d9dSVlad Yasevich u16 default_pvid; 376243a2e63SVlad Yasevich #endif 3771da177e4SLinus Torvalds }; 3781da177e4SLinus Torvalds 37968b7c895SHerbert Xu struct br_input_skb_cb { 38068b7c895SHerbert Xu struct net_device *brdev; 38193fdd47eSHerbert Xu 38232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 383eb1d1641SHerbert Xu int igmp; 384eb1d1641SHerbert Xu int mrouters_only; 38532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 38693fdd47eSHerbert Xu 387842a9ae0SJouni Malinen bool proxyarp_replied; 38893fdd47eSHerbert Xu 38920adfa1aSVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 39020adfa1aSVlad Yasevich bool vlan_filtered; 39120adfa1aSVlad Yasevich #endif 3926bc506b4SIdo Schimmel 3936bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 3946bc506b4SIdo Schimmel int offload_fwd_mark; 3956bc506b4SIdo Schimmel #endif 39668b7c895SHerbert Xu }; 39768b7c895SHerbert Xu 39868b7c895SHerbert Xu #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) 39968b7c895SHerbert Xu 40032dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 40132dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) 40232dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #else 40332dec5ddSYOSHIFUJI Hideaki / 吉藤英明 # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) 40432dec5ddSYOSHIFUJI Hideaki / 吉藤英明 #endif 40532dec5ddSYOSHIFUJI Hideaki / 吉藤英明 40628a16c97Sstephen hemminger #define br_printk(level, br, format, args...) \ 40728a16c97Sstephen hemminger printk(level "%s: " format, (br)->dev->name, ##args) 40828a16c97Sstephen hemminger 40928a16c97Sstephen hemminger #define br_err(__br, format, args...) \ 41028a16c97Sstephen hemminger br_printk(KERN_ERR, __br, format, ##args) 41128a16c97Sstephen hemminger #define br_warn(__br, format, args...) \ 41228a16c97Sstephen hemminger br_printk(KERN_WARNING, __br, format, ##args) 41328a16c97Sstephen hemminger #define br_notice(__br, format, args...) \ 41428a16c97Sstephen hemminger br_printk(KERN_NOTICE, __br, format, ##args) 41528a16c97Sstephen hemminger #define br_info(__br, format, args...) \ 41628a16c97Sstephen hemminger br_printk(KERN_INFO, __br, format, ##args) 41728a16c97Sstephen hemminger 41828a16c97Sstephen hemminger #define br_debug(br, format, args...) \ 41928a16c97Sstephen hemminger pr_debug("%s: " format, (br)->dev->name, ##args) 42028a16c97Sstephen hemminger 4211da177e4SLinus Torvalds /* called under bridge lock */ 4221da177e4SLinus Torvalds static inline int br_is_root_bridge(const struct net_bridge *br) 4231da177e4SLinus Torvalds { 4241da177e4SLinus Torvalds return !memcmp(&br->bridge_id, &br->designated_root, 8); 4251da177e4SLinus Torvalds } 4261da177e4SLinus Torvalds 4272594e906SNikolay Aleksandrov /* check if a VLAN entry is global */ 4282594e906SNikolay Aleksandrov static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) 4292594e906SNikolay Aleksandrov { 4302594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_MASTER; 4312594e906SNikolay Aleksandrov } 4322594e906SNikolay Aleksandrov 4332594e906SNikolay Aleksandrov /* check if a VLAN entry is used by the bridge */ 4342594e906SNikolay Aleksandrov static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) 4352594e906SNikolay Aleksandrov { 4362594e906SNikolay Aleksandrov return v->flags & BRIDGE_VLAN_INFO_BRENTRY; 4372594e906SNikolay Aleksandrov } 4382594e906SNikolay Aleksandrov 4396be144f6SNikolay Aleksandrov /* check if we should use the vlan entry, returns false if it's only context */ 4402594e906SNikolay Aleksandrov static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) 4412594e906SNikolay Aleksandrov { 4422594e906SNikolay Aleksandrov if (br_vlan_is_master(v)) { 4432594e906SNikolay Aleksandrov if (br_vlan_is_brentry(v)) 4442594e906SNikolay Aleksandrov return true; 4452594e906SNikolay Aleksandrov else 4462594e906SNikolay Aleksandrov return false; 4472594e906SNikolay Aleksandrov } 4482594e906SNikolay Aleksandrov 4492594e906SNikolay Aleksandrov return true; 4502594e906SNikolay Aleksandrov } 4512594e906SNikolay Aleksandrov 4521da177e4SLinus Torvalds /* br_device.c */ 453348662a1SJoe Perches void br_dev_setup(struct net_device *dev); 454348662a1SJoe Perches void br_dev_delete(struct net_device *dev, struct list_head *list); 455348662a1SJoe Perches netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); 456cfb478daSstephen hemminger #ifdef CONFIG_NET_POLL_CONTROLLER 45791d2c34aSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 45891d2c34aSHerbert Xu struct sk_buff *skb) 45991d2c34aSHerbert Xu { 46091d2c34aSHerbert Xu struct netpoll *np = p->np; 46191d2c34aSHerbert Xu 46291d2c34aSHerbert Xu if (np) 46391d2c34aSHerbert Xu netpoll_send_skb(np, skb); 46491d2c34aSHerbert Xu } 46591d2c34aSHerbert Xu 466a8779ec1SEric W. Biederman int br_netpoll_enable(struct net_bridge_port *p); 467348662a1SJoe Perches void br_netpoll_disable(struct net_bridge_port *p); 46891d2c34aSHerbert Xu #else 4699f70b0fcSHerbert Xu static inline void br_netpoll_send_skb(const struct net_bridge_port *p, 47091d2c34aSHerbert Xu struct sk_buff *skb) 47191d2c34aSHerbert Xu { 47291d2c34aSHerbert Xu } 47391d2c34aSHerbert Xu 474a8779ec1SEric W. Biederman static inline int br_netpoll_enable(struct net_bridge_port *p) 47591d2c34aSHerbert Xu { 47691d2c34aSHerbert Xu return 0; 47791d2c34aSHerbert Xu } 47891d2c34aSHerbert Xu 47991d2c34aSHerbert Xu static inline void br_netpoll_disable(struct net_bridge_port *p) 48091d2c34aSHerbert Xu { 48191d2c34aSHerbert Xu } 482cfb478daSstephen hemminger #endif 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds /* br_fdb.c */ 485348662a1SJoe Perches int br_fdb_init(void); 486348662a1SJoe Perches void br_fdb_fini(void); 487348662a1SJoe Perches void br_fdb_flush(struct net_bridge *br); 488424bb9c9SToshiaki Makita void br_fdb_find_delete_local(struct net_bridge *br, 489424bb9c9SToshiaki Makita const struct net_bridge_port *p, 490424bb9c9SToshiaki Makita const unsigned char *addr, u16 vid); 491348662a1SJoe Perches void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); 492348662a1SJoe Perches void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); 493348662a1SJoe Perches void br_fdb_cleanup(unsigned long arg); 494348662a1SJoe Perches void br_fdb_delete_by_port(struct net_bridge *br, 4951ea2d020SNikolay Aleksandrov const struct net_bridge_port *p, u16 vid, int do_all); 496348662a1SJoe Perches struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, 497348662a1SJoe Perches const unsigned char *addr, __u16 vid); 498348662a1SJoe Perches int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); 499348662a1SJoe Perches int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, 500348662a1SJoe Perches unsigned long off); 501348662a1SJoe Perches int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 502348662a1SJoe Perches const unsigned char *addr, u16 vid); 503348662a1SJoe Perches void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 504a5642ab4SToshiaki Makita const unsigned char *addr, u16 vid, bool added_by_user); 50577162022SJohn Fastabend 506348662a1SJoe Perches int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], 507f6f6424bSJiri Pirko struct net_device *dev, const unsigned char *addr, u16 vid); 508348662a1SJoe Perches int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 509f6f6424bSJiri Pirko const unsigned char *addr, u16 vid, u16 nlh_flags); 510348662a1SJoe Perches int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 511d297653dSRoopa Prabhu struct net_device *dev, struct net_device *fdev, int *idx); 5128db24af7SVlad Yasevich int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); 5138db24af7SVlad Yasevich void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); 5143aeb6617SJiri Pirko int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, 5153aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5163aeb6617SJiri Pirko int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, 5173aeb6617SJiri Pirko const unsigned char *addr, u16 vid); 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds /* br_forward.c */ 5208addd5e7SNikolay Aleksandrov enum br_pkt_type { 5218addd5e7SNikolay Aleksandrov BR_PKT_UNICAST, 5228addd5e7SNikolay Aleksandrov BR_PKT_MULTICAST, 5238addd5e7SNikolay Aleksandrov BR_PKT_BROADCAST 5248addd5e7SNikolay Aleksandrov }; 5250c4b51f0SEric W. Biederman int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); 526b35c5f63SNikolay Aleksandrov void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, 52737b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig); 5280c4b51f0SEric W. Biederman int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 52937b090e6SNikolay Aleksandrov void br_flood(struct net_bridge *br, struct sk_buff *skb, 5308addd5e7SNikolay Aleksandrov enum br_pkt_type pkt_type, bool local_rcv, bool local_orig); 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds /* br_if.c */ 533348662a1SJoe Perches void br_port_carrier_check(struct net_bridge_port *p); 534348662a1SJoe Perches int br_add_bridge(struct net *net, const char *name); 535348662a1SJoe Perches int br_del_bridge(struct net *net, const char *name); 536348662a1SJoe Perches int br_add_if(struct net_bridge *br, struct net_device *dev); 537348662a1SJoe Perches int br_del_if(struct net_bridge *br, struct net_device *dev); 538348662a1SJoe Perches int br_min_mtu(const struct net_bridge *br); 539348662a1SJoe Perches netdev_features_t br_features_recompute(struct net_bridge *br, 540c8f44affSMichał Mirosław netdev_features_t features); 541e028e4b8SVlad Yasevich void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); 5422796d0c6SVlad Yasevich void br_manage_promisc(struct net_bridge *br); 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvalds /* br_input.c */ 5450c4b51f0SEric W. Biederman int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); 546348662a1SJoe Perches rx_handler_result_t br_handle_frame(struct sk_buff **pskb); 5471da177e4SLinus Torvalds 548859828c0SJiri Pirko static inline bool br_rx_handler_check_rcu(const struct net_device *dev) 549859828c0SJiri Pirko { 550859828c0SJiri Pirko return rcu_dereference(dev->rx_handler) == br_handle_frame; 551859828c0SJiri Pirko } 552859828c0SJiri Pirko 553859828c0SJiri Pirko static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) 554859828c0SJiri Pirko { 555859828c0SJiri Pirko return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; 556859828c0SJiri Pirko } 557859828c0SJiri Pirko 5581da177e4SLinus Torvalds /* br_ioctl.c */ 559348662a1SJoe Perches int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 560348662a1SJoe Perches int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, 561348662a1SJoe Perches void __user *arg); 5621da177e4SLinus Torvalds 563eb1d1641SHerbert Xu /* br_multicast.c */ 564eb1d1641SHerbert Xu #ifdef CONFIG_BRIDGE_IGMP_SNOOPING 5652ce297fcSCong Wang extern unsigned int br_mdb_rehash_seq; 566348662a1SJoe Perches int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, 567fbca58a2SCong Wang struct sk_buff *skb, u16 vid); 568348662a1SJoe Perches struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 569eb1d1641SHerbert Xu struct sk_buff *skb, u16 vid); 5701080ab95SNikolay Aleksandrov int br_multicast_add_port(struct net_bridge_port *port); 571348662a1SJoe Perches void br_multicast_del_port(struct net_bridge_port *port); 572348662a1SJoe Perches void br_multicast_enable_port(struct net_bridge_port *port); 573348662a1SJoe Perches void br_multicast_disable_port(struct net_bridge_port *port); 574348662a1SJoe Perches void br_multicast_init(struct net_bridge *br); 575348662a1SJoe Perches void br_multicast_open(struct net_bridge *br); 576348662a1SJoe Perches void br_multicast_stop(struct net_bridge *br); 577e10177abSSatish Ashok void br_multicast_dev_del(struct net_bridge *br); 57837b090e6SNikolay Aleksandrov void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 57937b090e6SNikolay Aleksandrov struct sk_buff *skb, bool local_rcv, bool local_orig); 580348662a1SJoe Perches int br_multicast_set_router(struct net_bridge *br, unsigned long val); 581348662a1SJoe Perches int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); 582348662a1SJoe Perches int br_multicast_toggle(struct net_bridge *br, unsigned long val); 583348662a1SJoe Perches int br_multicast_set_querier(struct net_bridge *br, unsigned long val); 584348662a1SJoe Perches int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); 585348662a1SJoe Perches struct net_bridge_mdb_entry * 586348662a1SJoe Perches br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); 587348662a1SJoe Perches struct net_bridge_mdb_entry * 588348662a1SJoe Perches br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, 589348662a1SJoe Perches struct br_ip *group); 590348662a1SJoe Perches void br_multicast_free_pg(struct rcu_head *head); 591348662a1SJoe Perches struct net_bridge_port_group * 592348662a1SJoe Perches br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, 593762a3d89Sstephen hemminger struct net_bridge_port_group __rcu *next, 5949d06b6d8SElad Raz unsigned char flags); 595348662a1SJoe Perches void br_mdb_init(void); 596348662a1SJoe Perches void br_mdb_uninit(void); 59745ebcce5SElad Raz void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, 59845ebcce5SElad Raz struct br_ip *group, int type, u8 flags); 599949f1e39SSatish Ashok void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, 600949f1e39SSatish Ashok int type); 6011080ab95SNikolay Aleksandrov void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, 602a65056ecSNikolay Aleksandrov const struct sk_buff *skb, u8 type, u8 dir); 6031080ab95SNikolay Aleksandrov int br_multicast_init_stats(struct net_bridge *br); 6041080ab95SNikolay Aleksandrov void br_multicast_get_stats(const struct net_bridge *br, 6051080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 6061080ab95SNikolay Aleksandrov struct br_mcast_stats *dest); 60785b35269SSridhar Samudrala 608cfd56754SCong Wang #define mlock_dereference(X, br) \ 609cfd56754SCong Wang rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) 610cfd56754SCong Wang 61185b35269SSridhar Samudrala static inline bool br_multicast_is_router(struct net_bridge *br) 61285b35269SSridhar Samudrala { 61385b35269SSridhar Samudrala return br->multicast_router == 2 || 61485b35269SSridhar Samudrala (br->multicast_router == 1 && 61585b35269SSridhar Samudrala timer_pending(&br->multicast_router_timer)); 61685b35269SSridhar Samudrala } 617b00589afSLinus Lüssing 618cc0fdd80SLinus Lüssing static inline bool 619cc0fdd80SLinus Lüssing __br_multicast_querier_exists(struct net_bridge *br, 6200888d5f3Sdaniel struct bridge_mcast_other_query *querier, 6210888d5f3Sdaniel const bool is_ipv6) 622b00589afSLinus Lüssing { 6230888d5f3Sdaniel bool own_querier_enabled; 6240888d5f3Sdaniel 6250888d5f3Sdaniel if (br->multicast_querier) { 6260888d5f3Sdaniel if (is_ipv6 && !br->has_ipv6_addr) 6270888d5f3Sdaniel own_querier_enabled = false; 6280888d5f3Sdaniel else 6290888d5f3Sdaniel own_querier_enabled = true; 6300888d5f3Sdaniel } else { 6310888d5f3Sdaniel own_querier_enabled = false; 6320888d5f3Sdaniel } 6330888d5f3Sdaniel 634cc0fdd80SLinus Lüssing return time_is_before_jiffies(querier->delay_time) && 6350888d5f3Sdaniel (own_querier_enabled || timer_pending(&querier->timer)); 636cc0fdd80SLinus Lüssing } 637cc0fdd80SLinus Lüssing 638cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 639cc0fdd80SLinus Lüssing struct ethhdr *eth) 640cc0fdd80SLinus Lüssing { 641cc0fdd80SLinus Lüssing switch (eth->h_proto) { 642cc0fdd80SLinus Lüssing case (htons(ETH_P_IP)): 6430888d5f3Sdaniel return __br_multicast_querier_exists(br, 6440888d5f3Sdaniel &br->ip4_other_query, false); 645cc0fdd80SLinus Lüssing #if IS_ENABLED(CONFIG_IPV6) 646cc0fdd80SLinus Lüssing case (htons(ETH_P_IPV6)): 6470888d5f3Sdaniel return __br_multicast_querier_exists(br, 6480888d5f3Sdaniel &br->ip6_other_query, true); 649cc0fdd80SLinus Lüssing #endif 650cc0fdd80SLinus Lüssing default: 651cc0fdd80SLinus Lüssing return false; 652cc0fdd80SLinus Lüssing } 653b00589afSLinus Lüssing } 6541080ab95SNikolay Aleksandrov 6551080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 6561080ab95SNikolay Aleksandrov { 6571080ab95SNikolay Aleksandrov return BR_INPUT_SKB_CB(skb)->igmp; 6581080ab95SNikolay Aleksandrov } 659eb1d1641SHerbert Xu #else 660eb1d1641SHerbert Xu static inline int br_multicast_rcv(struct net_bridge *br, 661eb1d1641SHerbert Xu struct net_bridge_port *port, 66206499098SVlad Yasevich struct sk_buff *skb, 66306499098SVlad Yasevich u16 vid) 664eb1d1641SHerbert Xu { 665eb1d1641SHerbert Xu return 0; 666eb1d1641SHerbert Xu } 667eb1d1641SHerbert Xu 668eb1d1641SHerbert Xu static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, 669fbca58a2SCong Wang struct sk_buff *skb, u16 vid) 670eb1d1641SHerbert Xu { 671eb1d1641SHerbert Xu return NULL; 672eb1d1641SHerbert Xu } 673eb1d1641SHerbert Xu 6741080ab95SNikolay Aleksandrov static inline int br_multicast_add_port(struct net_bridge_port *port) 675eb1d1641SHerbert Xu { 6761080ab95SNikolay Aleksandrov return 0; 677eb1d1641SHerbert Xu } 678eb1d1641SHerbert Xu 679eb1d1641SHerbert Xu static inline void br_multicast_del_port(struct net_bridge_port *port) 680eb1d1641SHerbert Xu { 681eb1d1641SHerbert Xu } 682eb1d1641SHerbert Xu 683eb1d1641SHerbert Xu static inline void br_multicast_enable_port(struct net_bridge_port *port) 684eb1d1641SHerbert Xu { 685eb1d1641SHerbert Xu } 686eb1d1641SHerbert Xu 687eb1d1641SHerbert Xu static inline void br_multicast_disable_port(struct net_bridge_port *port) 688eb1d1641SHerbert Xu { 689eb1d1641SHerbert Xu } 690eb1d1641SHerbert Xu 691eb1d1641SHerbert Xu static inline void br_multicast_init(struct net_bridge *br) 692eb1d1641SHerbert Xu { 693eb1d1641SHerbert Xu } 694eb1d1641SHerbert Xu 695eb1d1641SHerbert Xu static inline void br_multicast_open(struct net_bridge *br) 696eb1d1641SHerbert Xu { 697eb1d1641SHerbert Xu } 698eb1d1641SHerbert Xu 699eb1d1641SHerbert Xu static inline void br_multicast_stop(struct net_bridge *br) 700eb1d1641SHerbert Xu { 701eb1d1641SHerbert Xu } 7025cb5e947SHerbert Xu 703a7ce45a7SNikolay Aleksandrov static inline void br_multicast_dev_del(struct net_bridge *br) 704a7ce45a7SNikolay Aleksandrov { 705a7ce45a7SNikolay Aleksandrov } 706a7ce45a7SNikolay Aleksandrov 70737b090e6SNikolay Aleksandrov static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst, 70837b090e6SNikolay Aleksandrov struct sk_buff *skb, 70937b090e6SNikolay Aleksandrov bool local_rcv, bool local_orig) 7105cb5e947SHerbert Xu { 7115cb5e947SHerbert Xu } 7125cb5e947SHerbert Xu 713eb1d1641SHerbert Xu static inline bool br_multicast_is_router(struct net_bridge *br) 714eb1d1641SHerbert Xu { 71585b35269SSridhar Samudrala return 0; 716eb1d1641SHerbert Xu } 71737b090e6SNikolay Aleksandrov 718cc0fdd80SLinus Lüssing static inline bool br_multicast_querier_exists(struct net_bridge *br, 719cc0fdd80SLinus Lüssing struct ethhdr *eth) 720b00589afSLinus Lüssing { 721b00589afSLinus Lüssing return false; 722b00589afSLinus Lüssing } 72337b090e6SNikolay Aleksandrov 724fdb184d1SRami Rosen static inline void br_mdb_init(void) 725fdb184d1SRami Rosen { 726fdb184d1SRami Rosen } 72737b090e6SNikolay Aleksandrov 728fdb184d1SRami Rosen static inline void br_mdb_uninit(void) 729fdb184d1SRami Rosen { 730fdb184d1SRami Rosen } 7311080ab95SNikolay Aleksandrov 7321080ab95SNikolay Aleksandrov static inline void br_multicast_count(struct net_bridge *br, 7331080ab95SNikolay Aleksandrov const struct net_bridge_port *p, 734a65056ecSNikolay Aleksandrov const struct sk_buff *skb, 735a65056ecSNikolay Aleksandrov u8 type, u8 dir) 7361080ab95SNikolay Aleksandrov { 7371080ab95SNikolay Aleksandrov } 7381080ab95SNikolay Aleksandrov 7391080ab95SNikolay Aleksandrov static inline int br_multicast_init_stats(struct net_bridge *br) 7401080ab95SNikolay Aleksandrov { 7411080ab95SNikolay Aleksandrov return 0; 7421080ab95SNikolay Aleksandrov } 7431080ab95SNikolay Aleksandrov 7441080ab95SNikolay Aleksandrov static inline int br_multicast_igmp_type(const struct sk_buff *skb) 7451080ab95SNikolay Aleksandrov { 7461080ab95SNikolay Aleksandrov return 0; 7471080ab95SNikolay Aleksandrov } 74885b35269SSridhar Samudrala #endif 749eb1d1641SHerbert Xu 750243a2e63SVlad Yasevich /* br_vlan.c */ 751243a2e63SVlad Yasevich #ifdef CONFIG_BRIDGE_VLAN_FILTERING 75277751ee8SNikolay Aleksandrov bool br_allowed_ingress(const struct net_bridge *br, 75377751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, struct sk_buff *skb, 7542594e906SNikolay Aleksandrov u16 *vid); 75577751ee8SNikolay Aleksandrov bool br_allowed_egress(struct net_bridge_vlan_group *vg, 75685f46c6bSVlad Yasevich const struct sk_buff *skb); 757e0d7968aSToshiaki Makita bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); 758348662a1SJoe Perches struct sk_buff *br_handle_vlan(struct net_bridge *br, 7592594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 76078851988SVlad Yasevich struct sk_buff *skb); 761348662a1SJoe Perches int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); 762348662a1SJoe Perches int br_vlan_delete(struct net_bridge *br, u16 vid); 763348662a1SJoe Perches void br_vlan_flush(struct net_bridge *br); 7642594e906SNikolay Aleksandrov struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); 765204177f3SToshiaki Makita void br_recalculate_fwd_mask(struct net_bridge *br); 766a7854037SNikolay Aleksandrov int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 767348662a1SJoe Perches int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); 768d2d427b3SToshiaki Makita int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); 769204177f3SToshiaki Makita int br_vlan_set_proto(struct net_bridge *br, unsigned long val); 7706dada9b1SNikolay Aleksandrov int br_vlan_set_stats(struct net_bridge *br, unsigned long val); 7715be5a2dfSVlad Yasevich int br_vlan_init(struct net_bridge *br); 77296a20d9dSVlad Yasevich int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); 7730f963b75SNikolay Aleksandrov int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); 774348662a1SJoe Perches int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); 775348662a1SJoe Perches int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); 776348662a1SJoe Perches void nbp_vlan_flush(struct net_bridge_port *port); 7775be5a2dfSVlad Yasevich int nbp_vlan_init(struct net_bridge_port *port); 7782594e906SNikolay Aleksandrov int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); 779a60c0903SNikolay Aleksandrov void br_vlan_get_stats(const struct net_bridge_vlan *v, 780a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats); 781a37b85c9SVlad Yasevich 7822594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 783a37b85c9SVlad Yasevich const struct net_bridge *br) 784a37b85c9SVlad Yasevich { 785907b1e6eSNikolay Aleksandrov return rtnl_dereference(br->vlgrp); 786a37b85c9SVlad Yasevich } 787a37b85c9SVlad Yasevich 7882594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 789a37b85c9SVlad Yasevich const struct net_bridge_port *p) 790a37b85c9SVlad Yasevich { 791907b1e6eSNikolay Aleksandrov return rtnl_dereference(p->vlgrp); 792907b1e6eSNikolay Aleksandrov } 793907b1e6eSNikolay Aleksandrov 794907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 795907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 796907b1e6eSNikolay Aleksandrov { 797907b1e6eSNikolay Aleksandrov return rcu_dereference(br->vlgrp); 798907b1e6eSNikolay Aleksandrov } 799907b1e6eSNikolay Aleksandrov 800907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 801907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 802907b1e6eSNikolay Aleksandrov { 803907b1e6eSNikolay Aleksandrov return rcu_dereference(p->vlgrp); 804a37b85c9SVlad Yasevich } 805a37b85c9SVlad Yasevich 806a37b85c9SVlad Yasevich /* Since bridge now depends on 8021Q module, but the time bridge sees the 807a37b85c9SVlad Yasevich * skb, the vlan tag will always be present if the frame was tagged. 808a37b85c9SVlad Yasevich */ 809a37b85c9SVlad Yasevich static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) 810a37b85c9SVlad Yasevich { 811a37b85c9SVlad Yasevich int err = 0; 812a37b85c9SVlad Yasevich 8132594e906SNikolay Aleksandrov if (skb_vlan_tag_present(skb)) { 814df8a39deSJiri Pirko *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; 8152594e906SNikolay Aleksandrov } else { 816a37b85c9SVlad Yasevich *vid = 0; 817a37b85c9SVlad Yasevich err = -EINVAL; 818a37b85c9SVlad Yasevich } 819a37b85c9SVlad Yasevich 820a37b85c9SVlad Yasevich return err; 821a37b85c9SVlad Yasevich } 82278851988SVlad Yasevich 82377751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 82478851988SVlad Yasevich { 82577751ee8SNikolay Aleksandrov if (!vg) 8265be5a2dfSVlad Yasevich return 0; 8275be5a2dfSVlad Yasevich 82878851988SVlad Yasevich smp_rmb(); 82977751ee8SNikolay Aleksandrov return vg->pvid; 83078851988SVlad Yasevich } 83178851988SVlad Yasevich 8322796d0c6SVlad Yasevich static inline int br_vlan_enabled(struct net_bridge *br) 8332796d0c6SVlad Yasevich { 8342796d0c6SVlad Yasevich return br->vlan_enabled; 8352796d0c6SVlad Yasevich } 836243a2e63SVlad Yasevich #else 83777751ee8SNikolay Aleksandrov static inline bool br_allowed_ingress(const struct net_bridge *br, 83877751ee8SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 8392594e906SNikolay Aleksandrov struct sk_buff *skb, 8402594e906SNikolay Aleksandrov u16 *vid) 8412594e906SNikolay Aleksandrov { 8422594e906SNikolay Aleksandrov return true; 8432594e906SNikolay Aleksandrov } 8442594e906SNikolay Aleksandrov 8452594e906SNikolay Aleksandrov static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, 84685f46c6bSVlad Yasevich const struct sk_buff *skb) 84785f46c6bSVlad Yasevich { 84885f46c6bSVlad Yasevich return true; 84985f46c6bSVlad Yasevich } 85085f46c6bSVlad Yasevich 851e0d7968aSToshiaki Makita static inline bool br_should_learn(struct net_bridge_port *p, 852e0d7968aSToshiaki Makita struct sk_buff *skb, u16 *vid) 853e0d7968aSToshiaki Makita { 854e0d7968aSToshiaki Makita return true; 855e0d7968aSToshiaki Makita } 856e0d7968aSToshiaki Makita 85778851988SVlad Yasevich static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, 8582594e906SNikolay Aleksandrov struct net_bridge_vlan_group *vg, 85978851988SVlad Yasevich struct sk_buff *skb) 86078851988SVlad Yasevich { 86178851988SVlad Yasevich return skb; 86278851988SVlad Yasevich } 86378851988SVlad Yasevich 864552406c4SVlad Yasevich static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) 865243a2e63SVlad Yasevich { 866243a2e63SVlad Yasevich return -EOPNOTSUPP; 867243a2e63SVlad Yasevich } 868243a2e63SVlad Yasevich 869243a2e63SVlad Yasevich static inline int br_vlan_delete(struct net_bridge *br, u16 vid) 870243a2e63SVlad Yasevich { 871243a2e63SVlad Yasevich return -EOPNOTSUPP; 872243a2e63SVlad Yasevich } 873243a2e63SVlad Yasevich 874243a2e63SVlad Yasevich static inline void br_vlan_flush(struct net_bridge *br) 875243a2e63SVlad Yasevich { 876243a2e63SVlad Yasevich } 877243a2e63SVlad Yasevich 878204177f3SToshiaki Makita static inline void br_recalculate_fwd_mask(struct net_bridge *br) 879204177f3SToshiaki Makita { 880204177f3SToshiaki Makita } 881204177f3SToshiaki Makita 8825be5a2dfSVlad Yasevich static inline int br_vlan_init(struct net_bridge *br) 8838580e211SToshiaki Makita { 8845be5a2dfSVlad Yasevich return 0; 8858580e211SToshiaki Makita } 8868580e211SToshiaki Makita 887552406c4SVlad Yasevich static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) 888243a2e63SVlad Yasevich { 889243a2e63SVlad Yasevich return -EOPNOTSUPP; 890243a2e63SVlad Yasevich } 891243a2e63SVlad Yasevich 892243a2e63SVlad Yasevich static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) 893243a2e63SVlad Yasevich { 894243a2e63SVlad Yasevich return -EOPNOTSUPP; 895243a2e63SVlad Yasevich } 896243a2e63SVlad Yasevich 897243a2e63SVlad Yasevich static inline void nbp_vlan_flush(struct net_bridge_port *port) 898243a2e63SVlad Yasevich { 899243a2e63SVlad Yasevich } 900243a2e63SVlad Yasevich 9012594e906SNikolay Aleksandrov static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, 9022594e906SNikolay Aleksandrov u16 vid) 903a37b85c9SVlad Yasevich { 904a37b85c9SVlad Yasevich return NULL; 905a37b85c9SVlad Yasevich } 906bc9a25d2SVlad Yasevich 9075be5a2dfSVlad Yasevich static inline int nbp_vlan_init(struct net_bridge_port *port) 9085be5a2dfSVlad Yasevich { 9095be5a2dfSVlad Yasevich return 0; 9105be5a2dfSVlad Yasevich } 9115be5a2dfSVlad Yasevich 91278851988SVlad Yasevich static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) 913a37b85c9SVlad Yasevich { 914a37b85c9SVlad Yasevich return 0; 915a37b85c9SVlad Yasevich } 9162594e906SNikolay Aleksandrov 91777751ee8SNikolay Aleksandrov static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) 91878851988SVlad Yasevich { 9193df6bf45SVlad Yasevich return 0; 92078851988SVlad Yasevich } 9212796d0c6SVlad Yasevich 922d4f0e095SAlexei Starovoitov static inline int br_vlan_enabled(struct net_bridge *br) 9232796d0c6SVlad Yasevich { 9242796d0c6SVlad Yasevich return 0; 9252796d0c6SVlad Yasevich } 926a7854037SNikolay Aleksandrov 927a7854037SNikolay Aleksandrov static inline int __br_vlan_filter_toggle(struct net_bridge *br, 928a7854037SNikolay Aleksandrov unsigned long val) 929a7854037SNikolay Aleksandrov { 930a7854037SNikolay Aleksandrov return -EOPNOTSUPP; 931a7854037SNikolay Aleksandrov } 9322594e906SNikolay Aleksandrov 9332594e906SNikolay Aleksandrov static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, 9342594e906SNikolay Aleksandrov u32 filter_mask) 9352594e906SNikolay Aleksandrov { 9362594e906SNikolay Aleksandrov return 0; 9372594e906SNikolay Aleksandrov } 9382594e906SNikolay Aleksandrov 9392594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group( 9402594e906SNikolay Aleksandrov const struct net_bridge *br) 9412594e906SNikolay Aleksandrov { 9422594e906SNikolay Aleksandrov return NULL; 9432594e906SNikolay Aleksandrov } 9442594e906SNikolay Aleksandrov 9452594e906SNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group( 9462594e906SNikolay Aleksandrov const struct net_bridge_port *p) 9472594e906SNikolay Aleksandrov { 9482594e906SNikolay Aleksandrov return NULL; 9492594e906SNikolay Aleksandrov } 950907b1e6eSNikolay Aleksandrov 951907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *br_vlan_group_rcu( 952907b1e6eSNikolay Aleksandrov const struct net_bridge *br) 953907b1e6eSNikolay Aleksandrov { 954907b1e6eSNikolay Aleksandrov return NULL; 955907b1e6eSNikolay Aleksandrov } 956907b1e6eSNikolay Aleksandrov 957907b1e6eSNikolay Aleksandrov static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( 958907b1e6eSNikolay Aleksandrov const struct net_bridge_port *p) 959907b1e6eSNikolay Aleksandrov { 960907b1e6eSNikolay Aleksandrov return NULL; 961907b1e6eSNikolay Aleksandrov } 962a60c0903SNikolay Aleksandrov 963a60c0903SNikolay Aleksandrov static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, 964a60c0903SNikolay Aleksandrov struct br_vlan_stats *stats) 965a60c0903SNikolay Aleksandrov { 966a60c0903SNikolay Aleksandrov } 967243a2e63SVlad Yasevich #endif 968243a2e63SVlad Yasevich 9691a4ba64dSPablo Neira Ayuso struct nf_br_ops { 9701a4ba64dSPablo Neira Ayuso int (*br_dev_xmit_hook)(struct sk_buff *skb); 9711a4ba64dSPablo Neira Ayuso }; 9721a4ba64dSPablo Neira Ayuso extern const struct nf_br_ops __rcu *nf_br_ops; 9731a4ba64dSPablo Neira Ayuso 9741da177e4SLinus Torvalds /* br_netfilter.c */ 97534666d46SPablo Neira Ayuso #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 97634666d46SPablo Neira Ayuso int br_nf_core_init(void); 97734666d46SPablo Neira Ayuso void br_nf_core_fini(void); 978348662a1SJoe Perches void br_netfilter_rtable_init(struct net_bridge *); 979c0909713SStephen Hemminger #else 98034666d46SPablo Neira Ayuso static inline int br_nf_core_init(void) { return 0; } 98134666d46SPablo Neira Ayuso static inline void br_nf_core_fini(void) {} 9824adf0af6SSimon Wunderlich #define br_netfilter_rtable_init(x) 983c0909713SStephen Hemminger #endif 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvalds /* br_stp.c */ 986775dd692SFlorian Fainelli void br_set_state(struct net_bridge_port *p, unsigned int state); 987348662a1SJoe Perches struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); 988348662a1SJoe Perches void br_init_port(struct net_bridge_port *p); 989348662a1SJoe Perches void br_become_designated_port(struct net_bridge_port *p); 9901da177e4SLinus Torvalds 991348662a1SJoe Perches void __br_set_forward_delay(struct net_bridge *br, unsigned long t); 992348662a1SJoe Perches int br_set_forward_delay(struct net_bridge *br, unsigned long x); 993348662a1SJoe Perches int br_set_hello_time(struct net_bridge *br, unsigned long x); 994348662a1SJoe Perches int br_set_max_age(struct net_bridge *br, unsigned long x); 9959e0b27feSVivien Didelot int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time); 99614f98f25Sstephen hemminger 99714f98f25Sstephen hemminger 9981da177e4SLinus Torvalds /* br_stp_if.c */ 999348662a1SJoe Perches void br_stp_enable_bridge(struct net_bridge *br); 1000348662a1SJoe Perches void br_stp_disable_bridge(struct net_bridge *br); 1001348662a1SJoe Perches void br_stp_set_enabled(struct net_bridge *br, unsigned long val); 1002348662a1SJoe Perches void br_stp_enable_port(struct net_bridge_port *p); 1003348662a1SJoe Perches void br_stp_disable_port(struct net_bridge_port *p); 1004348662a1SJoe Perches bool br_stp_recalculate_bridge_id(struct net_bridge *br); 1005348662a1SJoe Perches void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); 1006348662a1SJoe Perches void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); 1007348662a1SJoe Perches int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); 1008348662a1SJoe Perches int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); 1009348662a1SJoe Perches ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvalds /* br_stp_bpdu.c */ 10127c85fbf0SPatrick McHardy struct stp_proto; 1013348662a1SJoe Perches void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, 10147c85fbf0SPatrick McHardy struct net_device *dev); 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvalds /* br_stp_timer.c */ 1017348662a1SJoe Perches void br_stp_timer_init(struct net_bridge *br); 1018348662a1SJoe Perches void br_stp_port_timer_init(struct net_bridge_port *p); 1019348662a1SJoe Perches unsigned long br_timer_value(const struct timer_list *timer); 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds /* br.c */ 1022e6373c4cSIgor Maravić #if IS_ENABLED(CONFIG_ATM_LANE) 1023da678292SMichał Mirosław extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); 1024da678292SMichał Mirosław #endif 10251da177e4SLinus Torvalds 102611dc1f36SStephen Hemminger /* br_netlink.c */ 1027149ddd83Sstephen hemminger extern struct rtnl_link_ops br_link_ops; 1028348662a1SJoe Perches int br_netlink_init(void); 1029348662a1SJoe Perches void br_netlink_fini(void); 1030348662a1SJoe Perches void br_ifinfo_notify(int event, struct net_bridge_port *port); 1031add511b3SRoopa Prabhu int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1032add511b3SRoopa Prabhu int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); 1033348662a1SJoe Perches int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, 103446c264daSNicolas Dichtel u32 filter_mask, int nlflags); 103511dc1f36SStephen Hemminger 10361da177e4SLinus Torvalds #ifdef CONFIG_SYSFS 10371da177e4SLinus Torvalds /* br_sysfs_if.c */ 103852cf25d0SEmese Revfy extern const struct sysfs_ops brport_sysfs_ops; 1039348662a1SJoe Perches int br_sysfs_addif(struct net_bridge_port *p); 1040348662a1SJoe Perches int br_sysfs_renameif(struct net_bridge_port *p); 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvalds /* br_sysfs_br.c */ 1043348662a1SJoe Perches int br_sysfs_addbr(struct net_device *dev); 1044348662a1SJoe Perches void br_sysfs_delbr(struct net_device *dev); 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvalds #else 10471da177e4SLinus Torvalds 10480cb2bbbeSLee Jones static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } 10490cb2bbbeSLee Jones static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } 10500cb2bbbeSLee Jones static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } 10510cb2bbbeSLee Jones static inline void br_sysfs_delbr(struct net_device *dev) { return; } 10521da177e4SLinus Torvalds #endif /* CONFIG_SYSFS */ 10531da177e4SLinus Torvalds 10546bc506b4SIdo Schimmel /* br_switchdev.c */ 10556bc506b4SIdo Schimmel #ifdef CONFIG_NET_SWITCHDEV 10566bc506b4SIdo Schimmel int nbp_switchdev_mark_set(struct net_bridge_port *p); 10576bc506b4SIdo Schimmel void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10586bc506b4SIdo Schimmel struct sk_buff *skb); 10596bc506b4SIdo Schimmel bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10606bc506b4SIdo Schimmel const struct sk_buff *skb); 10616bc506b4SIdo Schimmel #else 10626bc506b4SIdo Schimmel static inline int nbp_switchdev_mark_set(struct net_bridge_port *p) 10636bc506b4SIdo Schimmel { 10646bc506b4SIdo Schimmel return 0; 10656bc506b4SIdo Schimmel } 10666bc506b4SIdo Schimmel 10676bc506b4SIdo Schimmel static inline void nbp_switchdev_frame_mark(const struct net_bridge_port *p, 10686bc506b4SIdo Schimmel struct sk_buff *skb) 10696bc506b4SIdo Schimmel { 10706bc506b4SIdo Schimmel } 10716bc506b4SIdo Schimmel 10726bc506b4SIdo Schimmel static inline bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, 10736bc506b4SIdo Schimmel const struct sk_buff *skb) 10746bc506b4SIdo Schimmel { 10756bc506b4SIdo Schimmel return true; 10766bc506b4SIdo Schimmel } 10776bc506b4SIdo Schimmel #endif /* CONFIG_NET_SWITCHDEV */ 10786bc506b4SIdo Schimmel 10791da177e4SLinus Torvalds #endif 1080