Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Linux ethernet bridge | |
3 | * | |
4 | * Authors: | |
5 | * Lennert Buytenhek <buytenh@gnu.org> | |
6 | * | |
1da177e4 LT |
7 | * This program is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the License, or (at your option) any later version. | |
11 | */ | |
12 | ||
13 | #ifndef _BR_PRIVATE_H | |
14 | #define _BR_PRIVATE_H | |
15 | ||
16 | #include <linux/netdevice.h> | |
1da177e4 | 17 | #include <linux/if_bridge.h> |
91d2c34a | 18 | #include <linux/netpoll.h> |
406818ff | 19 | #include <linux/u64_stats_sync.h> |
4adf0af6 | 20 | #include <net/route.h> |
efb6de9b | 21 | #include <net/ip6_fib.h> |
243a2e63 | 22 | #include <linux/if_vlan.h> |
2594e906 | 23 | #include <linux/rhashtable.h> |
1da177e4 LT |
24 | |
25 | #define BR_HASH_BITS 8 | |
26 | #define BR_HASH_SIZE (1 << BR_HASH_BITS) | |
27 | ||
28 | #define BR_HOLD_TIME (1*HZ) | |
29 | ||
30 | #define BR_PORT_BITS 10 | |
31 | #define BR_MAX_PORTS (1<<BR_PORT_BITS) | |
32 | ||
9cde0708 SH |
33 | #define BR_VERSION "2.3" |
34 | ||
515853cc | 35 | /* Control of forwarding link local multicast */ |
36 | #define BR_GROUPFWD_DEFAULT 0 | |
784b58a3 BT |
37 | /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */ |
38 | #define BR_GROUPFWD_RESTRICTED 0x0007u | |
f2808d22 TM |
39 | /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */ |
40 | #define BR_GROUPFWD_8021AD 0xB801u | |
515853cc | 41 | |
9cde0708 SH |
42 | /* Path to usermode spanning tree program */ |
43 | #define BR_STP_PROG "/sbin/bridge-stp" | |
8cbb512e | 44 | |
1da177e4 LT |
45 | typedef struct bridge_id bridge_id; |
46 | typedef struct mac_addr mac_addr; | |
47 | typedef __u16 port_id; | |
48 | ||
49 | struct bridge_id | |
50 | { | |
51 | unsigned char prio[2]; | |
e5a727f6 | 52 | unsigned char addr[ETH_ALEN]; |
1da177e4 LT |
53 | }; |
54 | ||
55 | struct mac_addr | |
56 | { | |
e5a727f6 | 57 | unsigned char addr[ETH_ALEN]; |
1da177e4 LT |
58 | }; |
59 | ||
cc0fdd80 LL |
60 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
61 | /* our own querier */ | |
90010b36 | 62 | struct bridge_mcast_own_query { |
cc0fdd80 LL |
63 | struct timer_list timer; |
64 | u32 startup_sent; | |
65 | }; | |
66 | ||
67 | /* other querier */ | |
90010b36 | 68 | struct bridge_mcast_other_query { |
cc0fdd80 LL |
69 | struct timer_list timer; |
70 | unsigned long delay_time; | |
71 | }; | |
dc4eb53a LL |
72 | |
73 | /* selected querier */ | |
74 | struct bridge_mcast_querier { | |
75 | struct br_ip addr; | |
2cd41431 | 76 | struct net_bridge_port __rcu *port; |
dc4eb53a | 77 | }; |
cc0fdd80 LL |
78 | #endif |
79 | ||
6dada9b1 NA |
80 | struct br_vlan_stats { |
81 | u64 rx_bytes; | |
82 | u64 rx_packets; | |
83 | u64 tx_bytes; | |
84 | u64 tx_packets; | |
85 | struct u64_stats_sync syncp; | |
86 | }; | |
87 | ||
2594e906 NA |
88 | /** |
89 | * struct net_bridge_vlan - per-vlan entry | |
90 | * | |
91 | * @vnode: rhashtable member | |
92 | * @vid: VLAN id | |
93 | * @flags: bridge vlan flags | |
6dada9b1 | 94 | * @stats: per-cpu VLAN statistics |
2594e906 NA |
95 | * @br: if MASTER flag set, this points to a bridge struct |
96 | * @port: if MASTER flag unset, this points to a port struct | |
97 | * @refcnt: if MASTER flag set, this is bumped for each port referencing it | |
98 | * @brvlan: if MASTER flag unset, this points to the global per-VLAN context | |
99 | * for this VLAN entry | |
100 | * @vlist: sorted list of VLAN entries | |
101 | * @rcu: used for entry destruction | |
102 | * | |
103 | * This structure is shared between the global per-VLAN entries contained in | |
104 | * the bridge rhashtable and the local per-port per-VLAN entries contained in | |
105 | * the port's rhashtable. The union entries should be interpreted depending on | |
106 | * the entry flags that are set. | |
107 | */ | |
108 | struct net_bridge_vlan { | |
109 | struct rhash_head vnode; | |
110 | u16 vid; | |
111 | u16 flags; | |
6dada9b1 | 112 | struct br_vlan_stats __percpu *stats; |
243a2e63 | 113 | union { |
2594e906 NA |
114 | struct net_bridge *br; |
115 | struct net_bridge_port *port; | |
116 | }; | |
117 | union { | |
118 | atomic_t refcnt; | |
119 | struct net_bridge_vlan *brvlan; | |
120 | }; | |
121 | struct list_head vlist; | |
122 | ||
243a2e63 | 123 | struct rcu_head rcu; |
2594e906 NA |
124 | }; |
125 | ||
126 | /** | |
127 | * struct net_bridge_vlan_group | |
128 | * | |
129 | * @vlan_hash: VLAN entry rhashtable | |
130 | * @vlan_list: sorted VLAN entry list | |
131 | * @num_vlans: number of total VLAN entries | |
77751ee8 | 132 | * @pvid: PVID VLAN id |
2594e906 NA |
133 | * |
134 | * IMPORTANT: Be careful when checking if there're VLAN entries using list | |
135 | * primitives because the bridge can have entries in its list which | |
136 | * are just for global context but not for filtering, i.e. they have | |
137 | * the master flag set but not the brentry flag. If you have to check | |
138 | * if there're "real" entries in the bridge please test @num_vlans | |
139 | */ | |
140 | struct net_bridge_vlan_group { | |
141 | struct rhashtable vlan_hash; | |
142 | struct list_head vlan_list; | |
6cbdceeb | 143 | u16 num_vlans; |
77751ee8 | 144 | u16 pvid; |
243a2e63 VY |
145 | }; |
146 | ||
1da177e4 LT |
147 | struct net_bridge_fdb_entry |
148 | { | |
149 | struct hlist_node hlist; | |
150 | struct net_bridge_port *dst; | |
151 | ||
7cd8861a | 152 | unsigned long updated; |
153 | unsigned long used; | |
1da177e4 | 154 | mac_addr addr; |
b22fbf22 | 155 | __u16 vlan_id; |
93859b13 JP |
156 | unsigned char is_local:1, |
157 | is_static:1, | |
cf6b8e1e SF |
158 | added_by_user:1, |
159 | added_by_external_learn:1; | |
b22fbf22 | 160 | struct rcu_head rcu; |
1da177e4 LT |
161 | }; |
162 | ||
9d06b6d8 ER |
163 | #define MDB_PG_FLAGS_PERMANENT BIT(0) |
164 | #define MDB_PG_FLAGS_OFFLOAD BIT(1) | |
165 | ||
eb1d1641 HX |
166 | struct net_bridge_port_group { |
167 | struct net_bridge_port *port; | |
e8051688 | 168 | struct net_bridge_port_group __rcu *next; |
eb1d1641 HX |
169 | struct hlist_node mglist; |
170 | struct rcu_head rcu; | |
171 | struct timer_list timer; | |
8ef2a9a5 | 172 | struct br_ip addr; |
9d06b6d8 | 173 | unsigned char flags; |
eb1d1641 HX |
174 | }; |
175 | ||
176 | struct net_bridge_mdb_entry | |
177 | { | |
178 | struct hlist_node hlist[2]; | |
eb1d1641 | 179 | struct net_bridge *br; |
e8051688 | 180 | struct net_bridge_port_group __rcu *ports; |
eb1d1641 HX |
181 | struct rcu_head rcu; |
182 | struct timer_list timer; | |
8ef2a9a5 | 183 | struct br_ip addr; |
8a870178 | 184 | bool mglist; |
eb1d1641 HX |
185 | }; |
186 | ||
187 | struct net_bridge_mdb_htable | |
188 | { | |
189 | struct hlist_head *mhash; | |
190 | struct rcu_head rcu; | |
191 | struct net_bridge_mdb_htable *old; | |
192 | u32 size; | |
193 | u32 max; | |
194 | u32 secret; | |
195 | u32 ver; | |
196 | }; | |
197 | ||
1da177e4 LT |
198 | struct net_bridge_port |
199 | { | |
200 | struct net_bridge *br; | |
201 | struct net_device *dev; | |
202 | struct list_head list; | |
203 | ||
204 | /* STP */ | |
205 | u8 priority; | |
206 | u8 state; | |
207 | u16 port_no; | |
208 | unsigned char topology_change_ack; | |
209 | unsigned char config_pending; | |
210 | port_id port_id; | |
211 | port_id designated_port; | |
212 | bridge_id designated_root; | |
213 | bridge_id designated_bridge; | |
214 | u32 path_cost; | |
215 | u32 designated_cost; | |
0c03150e | 216 | unsigned long designated_age; |
1da177e4 LT |
217 | |
218 | struct timer_list forward_delay_timer; | |
219 | struct timer_list hold_timer; | |
220 | struct timer_list message_age_timer; | |
221 | struct kobject kobj; | |
222 | struct rcu_head rcu; | |
3982d3d2 FA |
223 | |
224 | unsigned long flags; | |
eb1d1641 HX |
225 | |
226 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
90010b36 | 227 | struct bridge_mcast_own_query ip4_own_query; |
cc0fdd80 | 228 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 | 229 | struct bridge_mcast_own_query ip6_own_query; |
cc0fdd80 | 230 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 HX |
231 | unsigned char multicast_router; |
232 | struct timer_list multicast_router_timer; | |
eb1d1641 HX |
233 | struct hlist_head mglist; |
234 | struct hlist_node rlist; | |
235 | #endif | |
e0f43752 SA |
236 | |
237 | #ifdef CONFIG_SYSFS | |
238 | char sysfs_name[IFNAMSIZ]; | |
239 | #endif | |
91d2c34a HX |
240 | |
241 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
242 | struct netpoll *np; | |
243 | #endif | |
243a2e63 | 244 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 245 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 246 | #endif |
1da177e4 LT |
247 | }; |
248 | ||
e028e4b8 | 249 | #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK) |
f3a6ddf1 | 250 | #define br_promisc_port(p) ((p)->flags & BR_PROMISC) |
e028e4b8 | 251 | |
f350a0a8 JP |
252 | #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) |
253 | ||
b5ed54e9 | 254 | static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) |
255 | { | |
716ec052 | 256 | return rcu_dereference(dev->rx_handler_data); |
b5ed54e9 | 257 | } |
258 | ||
1fb1754a | 259 | static inline struct net_bridge_port *br_port_get_rtnl(const struct net_device *dev) |
b5ed54e9 | 260 | { |
ec1e5610 ED |
261 | return br_port_exists(dev) ? |
262 | rtnl_dereference(dev->rx_handler_data) : NULL; | |
b5ed54e9 | 263 | } |
264 | ||
1da177e4 LT |
265 | struct net_bridge |
266 | { | |
267 | spinlock_t lock; | |
268 | struct list_head port_list; | |
269 | struct net_device *dev; | |
14bb4789 | 270 | |
8f84985f | 271 | struct pcpu_sw_netstats __percpu *stats; |
1da177e4 LT |
272 | spinlock_t hash_lock; |
273 | struct hlist_head hash[BR_HASH_SIZE]; | |
34666d46 | 274 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
efb6de9b BT |
275 | union { |
276 | struct rtable fake_rtable; | |
277 | struct rt6_info fake_rt6_info; | |
278 | }; | |
4df53d8b PM |
279 | bool nf_call_iptables; |
280 | bool nf_call_ip6tables; | |
281 | bool nf_call_arptables; | |
4adf0af6 | 282 | #endif |
515853cc | 283 | u16 group_fwd_mask; |
f2808d22 | 284 | u16 group_fwd_mask_required; |
515853cc | 285 | |
1da177e4 LT |
286 | /* STP */ |
287 | bridge_id designated_root; | |
288 | bridge_id bridge_id; | |
289 | u32 root_path_cost; | |
290 | unsigned long max_age; | |
291 | unsigned long hello_time; | |
292 | unsigned long forward_delay; | |
293 | unsigned long bridge_max_age; | |
294 | unsigned long ageing_time; | |
295 | unsigned long bridge_hello_time; | |
296 | unsigned long bridge_forward_delay; | |
297 | ||
fda93d92 | 298 | u8 group_addr[ETH_ALEN]; |
204177f3 | 299 | bool group_addr_set; |
1da177e4 | 300 | u16 root_port; |
9cde0708 SH |
301 | |
302 | enum { | |
303 | BR_NO_STP, /* no spanning tree */ | |
304 | BR_KERNEL_STP, /* old STP in kernel */ | |
305 | BR_USER_STP, /* new RSTP in userspace */ | |
306 | } stp_enabled; | |
307 | ||
1da177e4 LT |
308 | unsigned char topology_change; |
309 | unsigned char topology_change_detected; | |
310 | ||
eb1d1641 HX |
311 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
312 | unsigned char multicast_router; | |
313 | ||
314 | u8 multicast_disabled:1; | |
c5c23260 | 315 | u8 multicast_querier:1; |
1c8ad5bf | 316 | u8 multicast_query_use_ifaddr:1; |
0888d5f3 | 317 | u8 has_ipv6_addr:1; |
eb1d1641 HX |
318 | |
319 | u32 hash_elasticity; | |
320 | u32 hash_max; | |
321 | ||
322 | u32 multicast_last_member_count; | |
eb1d1641 HX |
323 | u32 multicast_startup_query_count; |
324 | ||
325 | unsigned long multicast_last_member_interval; | |
326 | unsigned long multicast_membership_interval; | |
327 | unsigned long multicast_querier_interval; | |
328 | unsigned long multicast_query_interval; | |
329 | unsigned long multicast_query_response_interval; | |
330 | unsigned long multicast_startup_query_interval; | |
331 | ||
332 | spinlock_t multicast_lock; | |
e8051688 | 333 | struct net_bridge_mdb_htable __rcu *mdb; |
eb1d1641 | 334 | struct hlist_head router_list; |
eb1d1641 HX |
335 | |
336 | struct timer_list multicast_router_timer; | |
90010b36 LL |
337 | struct bridge_mcast_other_query ip4_other_query; |
338 | struct bridge_mcast_own_query ip4_own_query; | |
dc4eb53a | 339 | struct bridge_mcast_querier ip4_querier; |
cc0fdd80 | 340 | #if IS_ENABLED(CONFIG_IPV6) |
90010b36 LL |
341 | struct bridge_mcast_other_query ip6_other_query; |
342 | struct bridge_mcast_own_query ip6_own_query; | |
dc4eb53a | 343 | struct bridge_mcast_querier ip6_querier; |
cc0fdd80 | 344 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
eb1d1641 HX |
345 | #endif |
346 | ||
1da177e4 LT |
347 | struct timer_list hello_timer; |
348 | struct timer_list tcn_timer; | |
349 | struct timer_list topology_change_timer; | |
350 | struct timer_list gc_timer; | |
43b98c4a | 351 | struct kobject *ifobj; |
e028e4b8 | 352 | u32 auto_cnt; |
243a2e63 | 353 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
907b1e6e | 354 | struct net_bridge_vlan_group __rcu *vlgrp; |
243a2e63 | 355 | u8 vlan_enabled; |
6dada9b1 | 356 | u8 vlan_stats_enabled; |
8580e211 | 357 | __be16 vlan_proto; |
96a20d9d | 358 | u16 default_pvid; |
243a2e63 | 359 | #endif |
1da177e4 LT |
360 | }; |
361 | ||
68b7c895 HX |
362 | struct br_input_skb_cb { |
363 | struct net_device *brdev; | |
93fdd47e | 364 | |
32dec5dd | 365 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
eb1d1641 HX |
366 | int igmp; |
367 | int mrouters_only; | |
32dec5dd | 368 | #endif |
93fdd47e | 369 | |
842a9ae0 | 370 | bool proxyarp_replied; |
93fdd47e | 371 | |
20adfa1a VY |
372 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
373 | bool vlan_filtered; | |
374 | #endif | |
68b7c895 HX |
375 | }; |
376 | ||
377 | #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) | |
378 | ||
32dec5dd YH |
379 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
380 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) | |
381 | #else | |
382 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) | |
383 | #endif | |
384 | ||
28a16c97 | 385 | #define br_printk(level, br, format, args...) \ |
386 | printk(level "%s: " format, (br)->dev->name, ##args) | |
387 | ||
388 | #define br_err(__br, format, args...) \ | |
389 | br_printk(KERN_ERR, __br, format, ##args) | |
390 | #define br_warn(__br, format, args...) \ | |
391 | br_printk(KERN_WARNING, __br, format, ##args) | |
392 | #define br_notice(__br, format, args...) \ | |
393 | br_printk(KERN_NOTICE, __br, format, ##args) | |
394 | #define br_info(__br, format, args...) \ | |
395 | br_printk(KERN_INFO, __br, format, ##args) | |
396 | ||
397 | #define br_debug(br, format, args...) \ | |
398 | pr_debug("%s: " format, (br)->dev->name, ##args) | |
399 | ||
1da177e4 LT |
400 | /* called under bridge lock */ |
401 | static inline int br_is_root_bridge(const struct net_bridge *br) | |
402 | { | |
403 | return !memcmp(&br->bridge_id, &br->designated_root, 8); | |
404 | } | |
405 | ||
2594e906 NA |
406 | /* check if a VLAN entry is global */ |
407 | static inline bool br_vlan_is_master(const struct net_bridge_vlan *v) | |
408 | { | |
409 | return v->flags & BRIDGE_VLAN_INFO_MASTER; | |
410 | } | |
411 | ||
412 | /* check if a VLAN entry is used by the bridge */ | |
413 | static inline bool br_vlan_is_brentry(const struct net_bridge_vlan *v) | |
414 | { | |
415 | return v->flags & BRIDGE_VLAN_INFO_BRENTRY; | |
416 | } | |
417 | ||
6be144f6 | 418 | /* check if we should use the vlan entry, returns false if it's only context */ |
2594e906 NA |
419 | static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) |
420 | { | |
421 | if (br_vlan_is_master(v)) { | |
422 | if (br_vlan_is_brentry(v)) | |
423 | return true; | |
424 | else | |
425 | return false; | |
426 | } | |
427 | ||
428 | return true; | |
429 | } | |
430 | ||
1da177e4 | 431 | /* br_device.c */ |
348662a1 JP |
432 | void br_dev_setup(struct net_device *dev); |
433 | void br_dev_delete(struct net_device *dev, struct list_head *list); | |
434 | netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev); | |
cfb478da | 435 | #ifdef CONFIG_NET_POLL_CONTROLLER |
91d2c34a HX |
436 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
437 | struct sk_buff *skb) | |
438 | { | |
439 | struct netpoll *np = p->np; | |
440 | ||
441 | if (np) | |
442 | netpoll_send_skb(np, skb); | |
443 | } | |
444 | ||
a8779ec1 | 445 | int br_netpoll_enable(struct net_bridge_port *p); |
348662a1 | 446 | void br_netpoll_disable(struct net_bridge_port *p); |
cfb478da | 447 | #else |
9f70b0fc | 448 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
91d2c34a HX |
449 | struct sk_buff *skb) |
450 | { | |
451 | } | |
cfb478da | 452 | |
a8779ec1 | 453 | static inline int br_netpoll_enable(struct net_bridge_port *p) |
91d2c34a HX |
454 | { |
455 | return 0; | |
456 | } | |
457 | ||
458 | static inline void br_netpoll_disable(struct net_bridge_port *p) | |
459 | { | |
460 | } | |
cfb478da | 461 | #endif |
1da177e4 LT |
462 | |
463 | /* br_fdb.c */ | |
348662a1 JP |
464 | int br_fdb_init(void); |
465 | void br_fdb_fini(void); | |
466 | void br_fdb_flush(struct net_bridge *br); | |
424bb9c9 TM |
467 | void br_fdb_find_delete_local(struct net_bridge *br, |
468 | const struct net_bridge_port *p, | |
469 | const unsigned char *addr, u16 vid); | |
348662a1 JP |
470 | void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); |
471 | void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); | |
472 | void br_fdb_cleanup(unsigned long arg); | |
473 | void br_fdb_delete_by_port(struct net_bridge *br, | |
1ea2d020 | 474 | const struct net_bridge_port *p, u16 vid, int do_all); |
348662a1 JP |
475 | struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, |
476 | const unsigned char *addr, __u16 vid); | |
477 | int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); | |
478 | int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, | |
479 | unsigned long off); | |
480 | int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, | |
481 | const unsigned char *addr, u16 vid); | |
482 | void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, | |
a5642ab4 | 483 | const unsigned char *addr, u16 vid, bool added_by_user); |
348662a1 JP |
484 | |
485 | int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], | |
f6f6424b | 486 | struct net_device *dev, const unsigned char *addr, u16 vid); |
348662a1 | 487 | int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, |
f6f6424b | 488 | const unsigned char *addr, u16 vid, u16 nlh_flags); |
348662a1 | 489 | int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, |
5d5eacb3 | 490 | struct net_device *dev, struct net_device *fdev, int idx); |
8db24af7 VY |
491 | int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); |
492 | void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); | |
3aeb6617 JP |
493 | int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, |
494 | const unsigned char *addr, u16 vid); | |
495 | int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, | |
496 | const unsigned char *addr, u16 vid); | |
1da177e4 LT |
497 | |
498 | /* br_forward.c */ | |
348662a1 | 499 | void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb); |
0c4b51f0 | 500 | int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 | 501 | void br_forward(const struct net_bridge_port *to, |
7f7708f0 | 502 | struct sk_buff *skb, struct sk_buff *skb0); |
0c4b51f0 | 503 | int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 JP |
504 | void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast); |
505 | void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, | |
506 | struct sk_buff *skb2, bool unicast); | |
1da177e4 LT |
507 | |
508 | /* br_if.c */ | |
348662a1 JP |
509 | void br_port_carrier_check(struct net_bridge_port *p); |
510 | int br_add_bridge(struct net *net, const char *name); | |
511 | int br_del_bridge(struct net *net, const char *name); | |
348662a1 JP |
512 | int br_add_if(struct net_bridge *br, struct net_device *dev); |
513 | int br_del_if(struct net_bridge *br, struct net_device *dev); | |
514 | int br_min_mtu(const struct net_bridge *br); | |
515 | netdev_features_t br_features_recompute(struct net_bridge *br, | |
516 | netdev_features_t features); | |
e028e4b8 | 517 | void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); |
2796d0c6 | 518 | void br_manage_promisc(struct net_bridge *br); |
1da177e4 LT |
519 | |
520 | /* br_input.c */ | |
0c4b51f0 | 521 | int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb); |
348662a1 | 522 | rx_handler_result_t br_handle_frame(struct sk_buff **pskb); |
1da177e4 | 523 | |
859828c0 JP |
524 | static inline bool br_rx_handler_check_rcu(const struct net_device *dev) |
525 | { | |
526 | return rcu_dereference(dev->rx_handler) == br_handle_frame; | |
527 | } | |
528 | ||
529 | static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev) | |
530 | { | |
531 | return br_rx_handler_check_rcu(dev) ? br_port_get_rcu(dev) : NULL; | |
532 | } | |
533 | ||
1da177e4 | 534 | /* br_ioctl.c */ |
348662a1 JP |
535 | int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
536 | int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, | |
537 | void __user *arg); | |
1da177e4 | 538 | |
eb1d1641 HX |
539 | /* br_multicast.c */ |
540 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
2ce297fc | 541 | extern unsigned int br_mdb_rehash_seq; |
348662a1 | 542 | int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, |
394efd19 | 543 | struct sk_buff *skb, u16 vid); |
348662a1 JP |
544 | struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, |
545 | struct sk_buff *skb, u16 vid); | |
546 | void br_multicast_add_port(struct net_bridge_port *port); | |
547 | void br_multicast_del_port(struct net_bridge_port *port); | |
548 | void br_multicast_enable_port(struct net_bridge_port *port); | |
549 | void br_multicast_disable_port(struct net_bridge_port *port); | |
550 | void br_multicast_init(struct net_bridge *br); | |
551 | void br_multicast_open(struct net_bridge *br); | |
552 | void br_multicast_stop(struct net_bridge *br); | |
e10177ab | 553 | void br_multicast_dev_del(struct net_bridge *br); |
348662a1 JP |
554 | void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, |
555 | struct sk_buff *skb); | |
556 | void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
557 | struct sk_buff *skb, struct sk_buff *skb2); | |
558 | int br_multicast_set_router(struct net_bridge *br, unsigned long val); | |
559 | int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val); | |
560 | int br_multicast_toggle(struct net_bridge *br, unsigned long val); | |
561 | int br_multicast_set_querier(struct net_bridge *br, unsigned long val); | |
562 | int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); | |
563 | struct net_bridge_mdb_entry * | |
564 | br_mdb_ip_get(struct net_bridge_mdb_htable *mdb, struct br_ip *dst); | |
565 | struct net_bridge_mdb_entry * | |
566 | br_multicast_new_group(struct net_bridge *br, struct net_bridge_port *port, | |
567 | struct br_ip *group); | |
568 | void br_multicast_free_pg(struct rcu_head *head); | |
569 | struct net_bridge_port_group * | |
570 | br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group, | |
571 | struct net_bridge_port_group __rcu *next, | |
9d06b6d8 | 572 | unsigned char flags); |
348662a1 JP |
573 | void br_mdb_init(void); |
574 | void br_mdb_uninit(void); | |
45ebcce5 ER |
575 | void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, |
576 | struct br_ip *group, int type, u8 flags); | |
949f1e39 SA |
577 | void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, |
578 | int type); | |
85b35269 | 579 | |
cfd56754 CW |
580 | #define mlock_dereference(X, br) \ |
581 | rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock)) | |
582 | ||
85b35269 SS |
583 | static inline bool br_multicast_is_router(struct net_bridge *br) |
584 | { | |
585 | return br->multicast_router == 2 || | |
586 | (br->multicast_router == 1 && | |
587 | timer_pending(&br->multicast_router_timer)); | |
588 | } | |
b00589af | 589 | |
cc0fdd80 LL |
590 | static inline bool |
591 | __br_multicast_querier_exists(struct net_bridge *br, | |
0888d5f3 | 592 | struct bridge_mcast_other_query *querier, |
593 | const bool is_ipv6) | |
b00589af | 594 | { |
0888d5f3 | 595 | bool own_querier_enabled; |
596 | ||
597 | if (br->multicast_querier) { | |
598 | if (is_ipv6 && !br->has_ipv6_addr) | |
599 | own_querier_enabled = false; | |
600 | else | |
601 | own_querier_enabled = true; | |
602 | } else { | |
603 | own_querier_enabled = false; | |
604 | } | |
605 | ||
cc0fdd80 | 606 | return time_is_before_jiffies(querier->delay_time) && |
0888d5f3 | 607 | (own_querier_enabled || timer_pending(&querier->timer)); |
cc0fdd80 LL |
608 | } |
609 | ||
610 | static inline bool br_multicast_querier_exists(struct net_bridge *br, | |
611 | struct ethhdr *eth) | |
612 | { | |
613 | switch (eth->h_proto) { | |
614 | case (htons(ETH_P_IP)): | |
0888d5f3 | 615 | return __br_multicast_querier_exists(br, |
616 | &br->ip4_other_query, false); | |
cc0fdd80 LL |
617 | #if IS_ENABLED(CONFIG_IPV6) |
618 | case (htons(ETH_P_IPV6)): | |
0888d5f3 | 619 | return __br_multicast_querier_exists(br, |
620 | &br->ip6_other_query, true); | |
cc0fdd80 LL |
621 | #endif |
622 | default: | |
623 | return false; | |
624 | } | |
b00589af | 625 | } |
eb1d1641 HX |
626 | #else |
627 | static inline int br_multicast_rcv(struct net_bridge *br, | |
628 | struct net_bridge_port *port, | |
06499098 VY |
629 | struct sk_buff *skb, |
630 | u16 vid) | |
eb1d1641 HX |
631 | { |
632 | return 0; | |
633 | } | |
634 | ||
635 | static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
fbca58a2 | 636 | struct sk_buff *skb, u16 vid) |
eb1d1641 HX |
637 | { |
638 | return NULL; | |
639 | } | |
640 | ||
641 | static inline void br_multicast_add_port(struct net_bridge_port *port) | |
642 | { | |
643 | } | |
644 | ||
645 | static inline void br_multicast_del_port(struct net_bridge_port *port) | |
646 | { | |
647 | } | |
648 | ||
649 | static inline void br_multicast_enable_port(struct net_bridge_port *port) | |
650 | { | |
651 | } | |
652 | ||
653 | static inline void br_multicast_disable_port(struct net_bridge_port *port) | |
654 | { | |
655 | } | |
656 | ||
657 | static inline void br_multicast_init(struct net_bridge *br) | |
658 | { | |
659 | } | |
660 | ||
661 | static inline void br_multicast_open(struct net_bridge *br) | |
662 | { | |
663 | } | |
664 | ||
665 | static inline void br_multicast_stop(struct net_bridge *br) | |
666 | { | |
667 | } | |
5cb5e947 | 668 | |
a7ce45a7 NA |
669 | static inline void br_multicast_dev_del(struct net_bridge *br) |
670 | { | |
671 | } | |
672 | ||
5cb5e947 HX |
673 | static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, |
674 | struct sk_buff *skb) | |
675 | { | |
676 | } | |
677 | ||
678 | static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
679 | struct sk_buff *skb, | |
680 | struct sk_buff *skb2) | |
681 | { | |
682 | } | |
eb1d1641 HX |
683 | static inline bool br_multicast_is_router(struct net_bridge *br) |
684 | { | |
85b35269 | 685 | return 0; |
eb1d1641 | 686 | } |
cc0fdd80 LL |
687 | static inline bool br_multicast_querier_exists(struct net_bridge *br, |
688 | struct ethhdr *eth) | |
b00589af LL |
689 | { |
690 | return false; | |
691 | } | |
fdb184d1 RR |
692 | static inline void br_mdb_init(void) |
693 | { | |
694 | } | |
695 | static inline void br_mdb_uninit(void) | |
696 | { | |
697 | } | |
85b35269 | 698 | #endif |
eb1d1641 | 699 | |
243a2e63 VY |
700 | /* br_vlan.c */ |
701 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
77751ee8 NA |
702 | bool br_allowed_ingress(const struct net_bridge *br, |
703 | struct net_bridge_vlan_group *vg, struct sk_buff *skb, | |
704 | u16 *vid); | |
705 | bool br_allowed_egress(struct net_bridge_vlan_group *vg, | |
348662a1 | 706 | const struct sk_buff *skb); |
e0d7968a | 707 | bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid); |
348662a1 | 708 | struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 709 | struct net_bridge_vlan_group *vg, |
348662a1 JP |
710 | struct sk_buff *skb); |
711 | int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); | |
712 | int br_vlan_delete(struct net_bridge *br, u16 vid); | |
713 | void br_vlan_flush(struct net_bridge *br); | |
2594e906 | 714 | struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid); |
204177f3 | 715 | void br_recalculate_fwd_mask(struct net_bridge *br); |
a7854037 | 716 | int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
348662a1 | 717 | int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); |
d2d427b3 | 718 | int __br_vlan_set_proto(struct net_bridge *br, __be16 proto); |
204177f3 | 719 | int br_vlan_set_proto(struct net_bridge *br, unsigned long val); |
6dada9b1 | 720 | int br_vlan_set_stats(struct net_bridge *br, unsigned long val); |
5be5a2df | 721 | int br_vlan_init(struct net_bridge *br); |
96a20d9d | 722 | int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val); |
0f963b75 | 723 | int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid); |
348662a1 JP |
724 | int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); |
725 | int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); | |
726 | void nbp_vlan_flush(struct net_bridge_port *port); | |
5be5a2df | 727 | int nbp_vlan_init(struct net_bridge_port *port); |
2594e906 | 728 | int nbp_get_num_vlan_infos(struct net_bridge_port *p, u32 filter_mask); |
a60c0903 NA |
729 | void br_vlan_get_stats(const struct net_bridge_vlan *v, |
730 | struct br_vlan_stats *stats); | |
a37b85c9 | 731 | |
2594e906 NA |
732 | static inline struct net_bridge_vlan_group *br_vlan_group( |
733 | const struct net_bridge *br) | |
a37b85c9 | 734 | { |
907b1e6e | 735 | return rtnl_dereference(br->vlgrp); |
a37b85c9 VY |
736 | } |
737 | ||
2594e906 NA |
738 | static inline struct net_bridge_vlan_group *nbp_vlan_group( |
739 | const struct net_bridge_port *p) | |
a37b85c9 | 740 | { |
907b1e6e NA |
741 | return rtnl_dereference(p->vlgrp); |
742 | } | |
743 | ||
744 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
745 | const struct net_bridge *br) | |
746 | { | |
747 | return rcu_dereference(br->vlgrp); | |
748 | } | |
749 | ||
750 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
751 | const struct net_bridge_port *p) | |
752 | { | |
753 | return rcu_dereference(p->vlgrp); | |
a37b85c9 VY |
754 | } |
755 | ||
756 | /* Since bridge now depends on 8021Q module, but the time bridge sees the | |
757 | * skb, the vlan tag will always be present if the frame was tagged. | |
758 | */ | |
759 | static inline int br_vlan_get_tag(const struct sk_buff *skb, u16 *vid) | |
760 | { | |
761 | int err = 0; | |
762 | ||
2594e906 | 763 | if (skb_vlan_tag_present(skb)) { |
df8a39de | 764 | *vid = skb_vlan_tag_get(skb) & VLAN_VID_MASK; |
2594e906 | 765 | } else { |
a37b85c9 VY |
766 | *vid = 0; |
767 | err = -EINVAL; | |
768 | } | |
769 | ||
770 | return err; | |
771 | } | |
78851988 | 772 | |
77751ee8 | 773 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
2594e906 | 774 | { |
77751ee8 | 775 | if (!vg) |
2594e906 NA |
776 | return 0; |
777 | ||
778 | smp_rmb(); | |
77751ee8 | 779 | return vg->pvid; |
78851988 VY |
780 | } |
781 | ||
2796d0c6 VY |
782 | static inline int br_vlan_enabled(struct net_bridge *br) |
783 | { | |
784 | return br->vlan_enabled; | |
785 | } | |
243a2e63 | 786 | #else |
77751ee8 NA |
787 | static inline bool br_allowed_ingress(const struct net_bridge *br, |
788 | struct net_bridge_vlan_group *vg, | |
78851988 VY |
789 | struct sk_buff *skb, |
790 | u16 *vid) | |
a37b85c9 VY |
791 | { |
792 | return true; | |
793 | } | |
794 | ||
2594e906 | 795 | static inline bool br_allowed_egress(struct net_bridge_vlan_group *vg, |
85f46c6b VY |
796 | const struct sk_buff *skb) |
797 | { | |
798 | return true; | |
799 | } | |
800 | ||
e0d7968a TM |
801 | static inline bool br_should_learn(struct net_bridge_port *p, |
802 | struct sk_buff *skb, u16 *vid) | |
803 | { | |
804 | return true; | |
805 | } | |
806 | ||
78851988 | 807 | static inline struct sk_buff *br_handle_vlan(struct net_bridge *br, |
2594e906 | 808 | struct net_bridge_vlan_group *vg, |
78851988 VY |
809 | struct sk_buff *skb) |
810 | { | |
811 | return skb; | |
812 | } | |
813 | ||
552406c4 | 814 | static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags) |
243a2e63 VY |
815 | { |
816 | return -EOPNOTSUPP; | |
817 | } | |
818 | ||
819 | static inline int br_vlan_delete(struct net_bridge *br, u16 vid) | |
820 | { | |
821 | return -EOPNOTSUPP; | |
822 | } | |
823 | ||
824 | static inline void br_vlan_flush(struct net_bridge *br) | |
825 | { | |
826 | } | |
827 | ||
204177f3 TM |
828 | static inline void br_recalculate_fwd_mask(struct net_bridge *br) |
829 | { | |
830 | } | |
831 | ||
5be5a2df | 832 | static inline int br_vlan_init(struct net_bridge *br) |
8580e211 | 833 | { |
5be5a2df | 834 | return 0; |
8580e211 TM |
835 | } |
836 | ||
552406c4 | 837 | static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) |
243a2e63 VY |
838 | { |
839 | return -EOPNOTSUPP; | |
840 | } | |
841 | ||
842 | static inline int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) | |
843 | { | |
844 | return -EOPNOTSUPP; | |
845 | } | |
846 | ||
847 | static inline void nbp_vlan_flush(struct net_bridge_port *port) | |
848 | { | |
849 | } | |
850 | ||
2594e906 NA |
851 | static inline struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, |
852 | u16 vid) | |
a37b85c9 VY |
853 | { |
854 | return NULL; | |
855 | } | |
856 | ||
2594e906 | 857 | static inline int nbp_vlan_init(struct net_bridge_port *port) |
bc9a25d2 | 858 | { |
2594e906 | 859 | return 0; |
bc9a25d2 VY |
860 | } |
861 | ||
2594e906 | 862 | static inline u16 br_vlan_get_tag(const struct sk_buff *skb, u16 *tag) |
5be5a2df VY |
863 | { |
864 | return 0; | |
865 | } | |
866 | ||
77751ee8 | 867 | static inline u16 br_get_pvid(const struct net_bridge_vlan_group *vg) |
78851988 | 868 | { |
3df6bf45 | 869 | return 0; |
78851988 | 870 | } |
2796d0c6 | 871 | |
d4f0e095 | 872 | static inline int br_vlan_enabled(struct net_bridge *br) |
2796d0c6 VY |
873 | { |
874 | return 0; | |
875 | } | |
a7854037 NA |
876 | |
877 | static inline int __br_vlan_filter_toggle(struct net_bridge *br, | |
878 | unsigned long val) | |
879 | { | |
880 | return -EOPNOTSUPP; | |
881 | } | |
2594e906 NA |
882 | |
883 | static inline int nbp_get_num_vlan_infos(struct net_bridge_port *p, | |
884 | u32 filter_mask) | |
885 | { | |
886 | return 0; | |
887 | } | |
888 | ||
889 | static inline struct net_bridge_vlan_group *br_vlan_group( | |
890 | const struct net_bridge *br) | |
891 | { | |
892 | return NULL; | |
893 | } | |
894 | ||
895 | static inline struct net_bridge_vlan_group *nbp_vlan_group( | |
896 | const struct net_bridge_port *p) | |
897 | { | |
898 | return NULL; | |
899 | } | |
907b1e6e NA |
900 | |
901 | static inline struct net_bridge_vlan_group *br_vlan_group_rcu( | |
902 | const struct net_bridge *br) | |
903 | { | |
904 | return NULL; | |
905 | } | |
906 | ||
907 | static inline struct net_bridge_vlan_group *nbp_vlan_group_rcu( | |
908 | const struct net_bridge_port *p) | |
909 | { | |
910 | return NULL; | |
911 | } | |
a60c0903 NA |
912 | |
913 | static inline void br_vlan_get_stats(const struct net_bridge_vlan *v, | |
914 | struct br_vlan_stats *stats) | |
915 | { | |
916 | } | |
243a2e63 VY |
917 | #endif |
918 | ||
1a4ba64d PNA |
919 | struct nf_br_ops { |
920 | int (*br_dev_xmit_hook)(struct sk_buff *skb); | |
921 | }; | |
922 | extern const struct nf_br_ops __rcu *nf_br_ops; | |
923 | ||
1da177e4 | 924 | /* br_netfilter.c */ |
34666d46 PNA |
925 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
926 | int br_nf_core_init(void); | |
927 | void br_nf_core_fini(void); | |
348662a1 | 928 | void br_netfilter_rtable_init(struct net_bridge *); |
c0909713 | 929 | #else |
34666d46 PNA |
930 | static inline int br_nf_core_init(void) { return 0; } |
931 | static inline void br_nf_core_fini(void) {} | |
4adf0af6 | 932 | #define br_netfilter_rtable_init(x) |
c0909713 | 933 | #endif |
1da177e4 LT |
934 | |
935 | /* br_stp.c */ | |
775dd692 | 936 | void br_set_state(struct net_bridge_port *p, unsigned int state); |
348662a1 JP |
937 | struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no); |
938 | void br_init_port(struct net_bridge_port *p); | |
939 | void br_become_designated_port(struct net_bridge_port *p); | |
1da177e4 | 940 | |
348662a1 JP |
941 | void __br_set_forward_delay(struct net_bridge *br, unsigned long t); |
942 | int br_set_forward_delay(struct net_bridge *br, unsigned long x); | |
943 | int br_set_hello_time(struct net_bridge *br, unsigned long x); | |
944 | int br_set_max_age(struct net_bridge *br, unsigned long x); | |
c62987bb | 945 | int br_set_ageing_time(struct net_bridge *br, u32 ageing_time); |
14f98f25 | 946 | |
947 | ||
1da177e4 | 948 | /* br_stp_if.c */ |
348662a1 JP |
949 | void br_stp_enable_bridge(struct net_bridge *br); |
950 | void br_stp_disable_bridge(struct net_bridge *br); | |
951 | void br_stp_set_enabled(struct net_bridge *br, unsigned long val); | |
952 | void br_stp_enable_port(struct net_bridge_port *p); | |
953 | void br_stp_disable_port(struct net_bridge_port *p); | |
954 | bool br_stp_recalculate_bridge_id(struct net_bridge *br); | |
955 | void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); | |
956 | void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); | |
957 | int br_stp_set_port_priority(struct net_bridge_port *p, unsigned long newprio); | |
958 | int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost); | |
959 | ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); | |
1da177e4 LT |
960 | |
961 | /* br_stp_bpdu.c */ | |
7c85fbf0 | 962 | struct stp_proto; |
348662a1 JP |
963 | void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, |
964 | struct net_device *dev); | |
1da177e4 LT |
965 | |
966 | /* br_stp_timer.c */ | |
348662a1 JP |
967 | void br_stp_timer_init(struct net_bridge *br); |
968 | void br_stp_port_timer_init(struct net_bridge_port *p); | |
969 | unsigned long br_timer_value(const struct timer_list *timer); | |
1da177e4 LT |
970 | |
971 | /* br.c */ | |
e6373c4c | 972 | #if IS_ENABLED(CONFIG_ATM_LANE) |
da678292 MM |
973 | extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); |
974 | #endif | |
1da177e4 | 975 | |
11dc1f36 | 976 | /* br_netlink.c */ |
149ddd83 | 977 | extern struct rtnl_link_ops br_link_ops; |
348662a1 JP |
978 | int br_netlink_init(void); |
979 | void br_netlink_fini(void); | |
980 | void br_ifinfo_notify(int event, struct net_bridge_port *port); | |
add511b3 RP |
981 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); |
982 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags); | |
348662a1 | 983 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, |
46c264da | 984 | u32 filter_mask, int nlflags); |
11dc1f36 | 985 | |
1da177e4 LT |
986 | #ifdef CONFIG_SYSFS |
987 | /* br_sysfs_if.c */ | |
52cf25d0 | 988 | extern const struct sysfs_ops brport_sysfs_ops; |
348662a1 JP |
989 | int br_sysfs_addif(struct net_bridge_port *p); |
990 | int br_sysfs_renameif(struct net_bridge_port *p); | |
1da177e4 LT |
991 | |
992 | /* br_sysfs_br.c */ | |
348662a1 JP |
993 | int br_sysfs_addbr(struct net_device *dev); |
994 | void br_sysfs_delbr(struct net_device *dev); | |
1da177e4 LT |
995 | |
996 | #else | |
997 | ||
0cb2bbbe LJ |
998 | static inline int br_sysfs_addif(struct net_bridge_port *p) { return 0; } |
999 | static inline int br_sysfs_renameif(struct net_bridge_port *p) { return 0; } | |
1000 | static inline int br_sysfs_addbr(struct net_device *dev) { return 0; } | |
1001 | static inline void br_sysfs_delbr(struct net_device *dev) { return; } | |
1da177e4 LT |
1002 | #endif /* CONFIG_SYSFS */ |
1003 | ||
1004 | #endif |