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Commit | Line | Data |
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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> |
1da177e4 LT |
21 | |
22 | #define BR_HASH_BITS 8 | |
23 | #define BR_HASH_SIZE (1 << BR_HASH_BITS) | |
24 | ||
25 | #define BR_HOLD_TIME (1*HZ) | |
26 | ||
27 | #define BR_PORT_BITS 10 | |
28 | #define BR_MAX_PORTS (1<<BR_PORT_BITS) | |
29 | ||
9cde0708 SH |
30 | #define BR_VERSION "2.3" |
31 | ||
32 | /* Path to usermode spanning tree program */ | |
33 | #define BR_STP_PROG "/sbin/bridge-stp" | |
8cbb512e | 34 | |
1da177e4 LT |
35 | typedef struct bridge_id bridge_id; |
36 | typedef struct mac_addr mac_addr; | |
37 | typedef __u16 port_id; | |
38 | ||
39 | struct bridge_id | |
40 | { | |
41 | unsigned char prio[2]; | |
42 | unsigned char addr[6]; | |
43 | }; | |
44 | ||
45 | struct mac_addr | |
46 | { | |
47 | unsigned char addr[6]; | |
48 | }; | |
49 | ||
8ef2a9a5 YH |
50 | struct br_ip |
51 | { | |
52 | union { | |
53 | __be32 ip4; | |
08b202b6 YH |
54 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
55 | struct in6_addr ip6; | |
56 | #endif | |
8ef2a9a5 YH |
57 | } u; |
58 | __be16 proto; | |
59 | }; | |
60 | ||
1da177e4 LT |
61 | struct net_bridge_fdb_entry |
62 | { | |
63 | struct hlist_node hlist; | |
64 | struct net_bridge_port *dst; | |
65 | ||
66 | struct rcu_head rcu; | |
1da177e4 LT |
67 | unsigned long ageing_timer; |
68 | mac_addr addr; | |
69 | unsigned char is_local; | |
70 | unsigned char is_static; | |
71 | }; | |
72 | ||
eb1d1641 HX |
73 | struct net_bridge_port_group { |
74 | struct net_bridge_port *port; | |
e8051688 | 75 | struct net_bridge_port_group __rcu *next; |
eb1d1641 HX |
76 | struct hlist_node mglist; |
77 | struct rcu_head rcu; | |
78 | struct timer_list timer; | |
79 | struct timer_list query_timer; | |
8ef2a9a5 | 80 | struct br_ip addr; |
eb1d1641 HX |
81 | u32 queries_sent; |
82 | }; | |
83 | ||
84 | struct net_bridge_mdb_entry | |
85 | { | |
86 | struct hlist_node hlist[2]; | |
87 | struct hlist_node mglist; | |
88 | struct net_bridge *br; | |
e8051688 | 89 | struct net_bridge_port_group __rcu *ports; |
eb1d1641 HX |
90 | struct rcu_head rcu; |
91 | struct timer_list timer; | |
92 | struct timer_list query_timer; | |
8ef2a9a5 | 93 | struct br_ip addr; |
eb1d1641 HX |
94 | u32 queries_sent; |
95 | }; | |
96 | ||
97 | struct net_bridge_mdb_htable | |
98 | { | |
99 | struct hlist_head *mhash; | |
100 | struct rcu_head rcu; | |
101 | struct net_bridge_mdb_htable *old; | |
102 | u32 size; | |
103 | u32 max; | |
104 | u32 secret; | |
105 | u32 ver; | |
106 | }; | |
107 | ||
1da177e4 LT |
108 | struct net_bridge_port |
109 | { | |
110 | struct net_bridge *br; | |
111 | struct net_device *dev; | |
112 | struct list_head list; | |
113 | ||
114 | /* STP */ | |
115 | u8 priority; | |
116 | u8 state; | |
117 | u16 port_no; | |
118 | unsigned char topology_change_ack; | |
119 | unsigned char config_pending; | |
120 | port_id port_id; | |
121 | port_id designated_port; | |
122 | bridge_id designated_root; | |
123 | bridge_id designated_bridge; | |
124 | u32 path_cost; | |
125 | u32 designated_cost; | |
126 | ||
127 | struct timer_list forward_delay_timer; | |
128 | struct timer_list hold_timer; | |
129 | struct timer_list message_age_timer; | |
130 | struct kobject kobj; | |
131 | struct rcu_head rcu; | |
3982d3d2 FA |
132 | |
133 | unsigned long flags; | |
134 | #define BR_HAIRPIN_MODE 0x00000001 | |
eb1d1641 HX |
135 | |
136 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
137 | u32 multicast_startup_queries_sent; | |
138 | unsigned char multicast_router; | |
139 | struct timer_list multicast_router_timer; | |
140 | struct timer_list multicast_query_timer; | |
141 | struct hlist_head mglist; | |
142 | struct hlist_node rlist; | |
143 | #endif | |
e0f43752 SA |
144 | |
145 | #ifdef CONFIG_SYSFS | |
146 | char sysfs_name[IFNAMSIZ]; | |
147 | #endif | |
91d2c34a HX |
148 | |
149 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
150 | struct netpoll *np; | |
151 | #endif | |
1da177e4 LT |
152 | }; |
153 | ||
f350a0a8 JP |
154 | #define br_port_exists(dev) (dev->priv_flags & IFF_BRIDGE_PORT) |
155 | ||
b5ed54e9 | 156 | static inline struct net_bridge_port *br_port_get_rcu(const struct net_device *dev) |
157 | { | |
158 | struct net_bridge_port *port = rcu_dereference(dev->rx_handler_data); | |
159 | return br_port_exists(dev) ? port : NULL; | |
160 | } | |
161 | ||
ec1e5610 | 162 | static inline struct net_bridge_port *br_port_get_rtnl(struct net_device *dev) |
b5ed54e9 | 163 | { |
ec1e5610 ED |
164 | return br_port_exists(dev) ? |
165 | rtnl_dereference(dev->rx_handler_data) : NULL; | |
b5ed54e9 | 166 | } |
167 | ||
0eae88f3 | 168 | struct br_cpu_netstats { |
406818ff ED |
169 | u64 rx_packets; |
170 | u64 rx_bytes; | |
171 | u64 tx_packets; | |
172 | u64 tx_bytes; | |
173 | struct u64_stats_sync syncp; | |
0eae88f3 ED |
174 | }; |
175 | ||
1da177e4 LT |
176 | struct net_bridge |
177 | { | |
178 | spinlock_t lock; | |
179 | struct list_head port_list; | |
180 | struct net_device *dev; | |
14bb4789 | 181 | |
0eae88f3 | 182 | struct br_cpu_netstats __percpu *stats; |
1da177e4 LT |
183 | spinlock_t hash_lock; |
184 | struct hlist_head hash[BR_HASH_SIZE]; | |
edb5e46f | 185 | unsigned long feature_mask; |
4adf0af6 SW |
186 | #ifdef CONFIG_BRIDGE_NETFILTER |
187 | struct rtable fake_rtable; | |
4df53d8b PM |
188 | bool nf_call_iptables; |
189 | bool nf_call_ip6tables; | |
190 | bool nf_call_arptables; | |
4adf0af6 | 191 | #endif |
92c0574f SH |
192 | unsigned long flags; |
193 | #define BR_SET_MAC_ADDR 0x00000001 | |
1da177e4 LT |
194 | |
195 | /* STP */ | |
196 | bridge_id designated_root; | |
197 | bridge_id bridge_id; | |
198 | u32 root_path_cost; | |
199 | unsigned long max_age; | |
200 | unsigned long hello_time; | |
201 | unsigned long forward_delay; | |
202 | unsigned long bridge_max_age; | |
203 | unsigned long ageing_time; | |
204 | unsigned long bridge_hello_time; | |
205 | unsigned long bridge_forward_delay; | |
206 | ||
fda93d92 | 207 | u8 group_addr[ETH_ALEN]; |
1da177e4 | 208 | u16 root_port; |
9cde0708 SH |
209 | |
210 | enum { | |
211 | BR_NO_STP, /* no spanning tree */ | |
212 | BR_KERNEL_STP, /* old STP in kernel */ | |
213 | BR_USER_STP, /* new RSTP in userspace */ | |
214 | } stp_enabled; | |
215 | ||
1da177e4 LT |
216 | unsigned char topology_change; |
217 | unsigned char topology_change_detected; | |
218 | ||
eb1d1641 HX |
219 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
220 | unsigned char multicast_router; | |
221 | ||
222 | u8 multicast_disabled:1; | |
223 | ||
224 | u32 hash_elasticity; | |
225 | u32 hash_max; | |
226 | ||
227 | u32 multicast_last_member_count; | |
228 | u32 multicast_startup_queries_sent; | |
229 | u32 multicast_startup_query_count; | |
230 | ||
231 | unsigned long multicast_last_member_interval; | |
232 | unsigned long multicast_membership_interval; | |
233 | unsigned long multicast_querier_interval; | |
234 | unsigned long multicast_query_interval; | |
235 | unsigned long multicast_query_response_interval; | |
236 | unsigned long multicast_startup_query_interval; | |
237 | ||
238 | spinlock_t multicast_lock; | |
e8051688 | 239 | struct net_bridge_mdb_htable __rcu *mdb; |
eb1d1641 HX |
240 | struct hlist_head router_list; |
241 | struct hlist_head mglist; | |
242 | ||
243 | struct timer_list multicast_router_timer; | |
244 | struct timer_list multicast_querier_timer; | |
245 | struct timer_list multicast_query_timer; | |
246 | #endif | |
247 | ||
1da177e4 LT |
248 | struct timer_list hello_timer; |
249 | struct timer_list tcn_timer; | |
250 | struct timer_list topology_change_timer; | |
251 | struct timer_list gc_timer; | |
43b98c4a | 252 | struct kobject *ifobj; |
1da177e4 LT |
253 | }; |
254 | ||
68b7c895 HX |
255 | struct br_input_skb_cb { |
256 | struct net_device *brdev; | |
32dec5dd | 257 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
eb1d1641 HX |
258 | int igmp; |
259 | int mrouters_only; | |
32dec5dd | 260 | #endif |
68b7c895 HX |
261 | }; |
262 | ||
263 | #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) | |
264 | ||
32dec5dd YH |
265 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
266 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) | |
267 | #else | |
268 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) | |
269 | #endif | |
270 | ||
28a16c97 | 271 | #define br_printk(level, br, format, args...) \ |
272 | printk(level "%s: " format, (br)->dev->name, ##args) | |
273 | ||
274 | #define br_err(__br, format, args...) \ | |
275 | br_printk(KERN_ERR, __br, format, ##args) | |
276 | #define br_warn(__br, format, args...) \ | |
277 | br_printk(KERN_WARNING, __br, format, ##args) | |
278 | #define br_notice(__br, format, args...) \ | |
279 | br_printk(KERN_NOTICE, __br, format, ##args) | |
280 | #define br_info(__br, format, args...) \ | |
281 | br_printk(KERN_INFO, __br, format, ##args) | |
282 | ||
283 | #define br_debug(br, format, args...) \ | |
284 | pr_debug("%s: " format, (br)->dev->name, ##args) | |
285 | ||
1da177e4 | 286 | extern struct notifier_block br_device_notifier; |
fda93d92 | 287 | extern const u8 br_group_address[ETH_ALEN]; |
1da177e4 LT |
288 | |
289 | /* called under bridge lock */ | |
290 | static inline int br_is_root_bridge(const struct net_bridge *br) | |
291 | { | |
292 | return !memcmp(&br->bridge_id, &br->designated_root, 8); | |
293 | } | |
294 | ||
1da177e4 LT |
295 | /* br_device.c */ |
296 | extern void br_dev_setup(struct net_device *dev); | |
6fef4c0c SH |
297 | extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, |
298 | struct net_device *dev); | |
cfb478da | 299 | #ifdef CONFIG_NET_POLL_CONTROLLER |
91d2c34a HX |
300 | static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) |
301 | { | |
302 | return br->dev->npinfo; | |
303 | } | |
304 | ||
305 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, | |
306 | struct sk_buff *skb) | |
307 | { | |
308 | struct netpoll *np = p->np; | |
309 | ||
310 | if (np) | |
311 | netpoll_send_skb(np, skb); | |
312 | } | |
313 | ||
314 | extern int br_netpoll_enable(struct net_bridge_port *p); | |
315 | extern void br_netpoll_disable(struct net_bridge_port *p); | |
cfb478da | 316 | #else |
91d2c34a HX |
317 | static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) |
318 | { | |
319 | return NULL; | |
320 | } | |
321 | ||
9f70b0fc | 322 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, |
91d2c34a HX |
323 | struct sk_buff *skb) |
324 | { | |
325 | } | |
cfb478da | 326 | |
91d2c34a HX |
327 | static inline int br_netpoll_enable(struct net_bridge_port *p) |
328 | { | |
329 | return 0; | |
330 | } | |
331 | ||
332 | static inline void br_netpoll_disable(struct net_bridge_port *p) | |
333 | { | |
334 | } | |
cfb478da | 335 | #endif |
1da177e4 LT |
336 | |
337 | /* br_fdb.c */ | |
87a596e0 | 338 | extern int br_fdb_init(void); |
1da177e4 | 339 | extern void br_fdb_fini(void); |
9cf63747 | 340 | extern void br_fdb_flush(struct net_bridge *br); |
1da177e4 LT |
341 | extern void br_fdb_changeaddr(struct net_bridge_port *p, |
342 | const unsigned char *newaddr); | |
343 | extern void br_fdb_cleanup(unsigned long arg); | |
344 | extern void br_fdb_delete_by_port(struct net_bridge *br, | |
1a620698 | 345 | const struct net_bridge_port *p, int do_all); |
1da177e4 LT |
346 | extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, |
347 | const unsigned char *addr); | |
da678292 | 348 | extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); |
9d6f229f | 349 | extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, |
1da177e4 LT |
350 | unsigned long count, unsigned long off); |
351 | extern int br_fdb_insert(struct net_bridge *br, | |
352 | struct net_bridge_port *source, | |
353 | const unsigned char *addr); | |
354 | extern void br_fdb_update(struct net_bridge *br, | |
355 | struct net_bridge_port *source, | |
356 | const unsigned char *addr); | |
357 | ||
358 | /* br_forward.c */ | |
359 | extern void br_deliver(const struct net_bridge_port *to, | |
360 | struct sk_buff *skb); | |
361 | extern int br_dev_queue_push_xmit(struct sk_buff *skb); | |
362 | extern void br_forward(const struct net_bridge_port *to, | |
7f7708f0 | 363 | struct sk_buff *skb, struct sk_buff *skb0); |
1da177e4 | 364 | extern int br_forward_finish(struct sk_buff *skb); |
e081e1e3 | 365 | extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); |
b33084be HX |
366 | extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, |
367 | struct sk_buff *skb2); | |
1da177e4 LT |
368 | |
369 | /* br_if.c */ | |
269def7c | 370 | extern void br_port_carrier_check(struct net_bridge_port *p); |
4aa678ba AD |
371 | extern int br_add_bridge(struct net *net, const char *name); |
372 | extern int br_del_bridge(struct net *net, const char *name); | |
712d6954 | 373 | extern void br_net_exit(struct net *net); |
1da177e4 LT |
374 | extern int br_add_if(struct net_bridge *br, |
375 | struct net_device *dev); | |
376 | extern int br_del_if(struct net_bridge *br, | |
377 | struct net_device *dev); | |
378 | extern int br_min_mtu(const struct net_bridge *br); | |
81d35307 | 379 | extern void br_features_recompute(struct net_bridge *br); |
1da177e4 LT |
380 | |
381 | /* br_input.c */ | |
382 | extern int br_handle_frame_finish(struct sk_buff *skb); | |
ab95bfe0 | 383 | extern struct sk_buff *br_handle_frame(struct sk_buff *skb); |
1da177e4 LT |
384 | |
385 | /* br_ioctl.c */ | |
386 | extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); | |
881d966b | 387 | extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); |
1da177e4 | 388 | |
eb1d1641 HX |
389 | /* br_multicast.c */ |
390 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
391 | extern int br_multicast_rcv(struct net_bridge *br, | |
392 | struct net_bridge_port *port, | |
393 | struct sk_buff *skb); | |
394 | extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
395 | struct sk_buff *skb); | |
396 | extern void br_multicast_add_port(struct net_bridge_port *port); | |
397 | extern void br_multicast_del_port(struct net_bridge_port *port); | |
398 | extern void br_multicast_enable_port(struct net_bridge_port *port); | |
399 | extern void br_multicast_disable_port(struct net_bridge_port *port); | |
400 | extern void br_multicast_init(struct net_bridge *br); | |
401 | extern void br_multicast_open(struct net_bridge *br); | |
402 | extern void br_multicast_stop(struct net_bridge *br); | |
5cb5e947 HX |
403 | extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, |
404 | struct sk_buff *skb); | |
405 | extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
406 | struct sk_buff *skb, struct sk_buff *skb2); | |
0909e117 HX |
407 | extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); |
408 | extern int br_multicast_set_port_router(struct net_bridge_port *p, | |
409 | unsigned long val); | |
561f1103 | 410 | extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); |
b195167f | 411 | extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); |
85b35269 SS |
412 | |
413 | static inline bool br_multicast_is_router(struct net_bridge *br) | |
414 | { | |
415 | return br->multicast_router == 2 || | |
416 | (br->multicast_router == 1 && | |
417 | timer_pending(&br->multicast_router_timer)); | |
418 | } | |
eb1d1641 HX |
419 | #else |
420 | static inline int br_multicast_rcv(struct net_bridge *br, | |
421 | struct net_bridge_port *port, | |
422 | struct sk_buff *skb) | |
423 | { | |
424 | return 0; | |
425 | } | |
426 | ||
427 | static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
428 | struct sk_buff *skb) | |
429 | { | |
430 | return NULL; | |
431 | } | |
432 | ||
433 | static inline void br_multicast_add_port(struct net_bridge_port *port) | |
434 | { | |
435 | } | |
436 | ||
437 | static inline void br_multicast_del_port(struct net_bridge_port *port) | |
438 | { | |
439 | } | |
440 | ||
441 | static inline void br_multicast_enable_port(struct net_bridge_port *port) | |
442 | { | |
443 | } | |
444 | ||
445 | static inline void br_multicast_disable_port(struct net_bridge_port *port) | |
446 | { | |
447 | } | |
448 | ||
449 | static inline void br_multicast_init(struct net_bridge *br) | |
450 | { | |
451 | } | |
452 | ||
453 | static inline void br_multicast_open(struct net_bridge *br) | |
454 | { | |
455 | } | |
456 | ||
457 | static inline void br_multicast_stop(struct net_bridge *br) | |
458 | { | |
459 | } | |
5cb5e947 HX |
460 | |
461 | static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, | |
462 | struct sk_buff *skb) | |
463 | { | |
464 | } | |
465 | ||
466 | static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
467 | struct sk_buff *skb, | |
468 | struct sk_buff *skb2) | |
469 | { | |
470 | } | |
eb1d1641 HX |
471 | static inline bool br_multicast_is_router(struct net_bridge *br) |
472 | { | |
85b35269 | 473 | return 0; |
eb1d1641 | 474 | } |
85b35269 | 475 | #endif |
eb1d1641 | 476 | |
1da177e4 | 477 | /* br_netfilter.c */ |
c0909713 | 478 | #ifdef CONFIG_BRIDGE_NETFILTER |
1da177e4 LT |
479 | extern int br_netfilter_init(void); |
480 | extern void br_netfilter_fini(void); | |
4adf0af6 | 481 | extern void br_netfilter_rtable_init(struct net_bridge *); |
c0909713 SH |
482 | #else |
483 | #define br_netfilter_init() (0) | |
484 | #define br_netfilter_fini() do { } while(0) | |
4adf0af6 | 485 | #define br_netfilter_rtable_init(x) |
c0909713 | 486 | #endif |
1da177e4 LT |
487 | |
488 | /* br_stp.c */ | |
489 | extern void br_log_state(const struct net_bridge_port *p); | |
490 | extern struct net_bridge_port *br_get_port(struct net_bridge *br, | |
9d6f229f | 491 | u16 port_no); |
1da177e4 LT |
492 | extern void br_init_port(struct net_bridge_port *p); |
493 | extern void br_become_designated_port(struct net_bridge_port *p); | |
494 | ||
495 | /* br_stp_if.c */ | |
496 | extern void br_stp_enable_bridge(struct net_bridge *br); | |
497 | extern void br_stp_disable_bridge(struct net_bridge *br); | |
9cde0708 | 498 | extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); |
1da177e4 LT |
499 | extern void br_stp_enable_port(struct net_bridge_port *p); |
500 | extern void br_stp_disable_port(struct net_bridge_port *p); | |
501 | extern void br_stp_recalculate_bridge_id(struct net_bridge *br); | |
4505a3ef | 502 | extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); |
1da177e4 LT |
503 | extern void br_stp_set_bridge_priority(struct net_bridge *br, |
504 | u16 newprio); | |
505 | extern void br_stp_set_port_priority(struct net_bridge_port *p, | |
506 | u8 newprio); | |
507 | extern void br_stp_set_path_cost(struct net_bridge_port *p, | |
508 | u32 path_cost); | |
509 | extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); | |
510 | ||
511 | /* br_stp_bpdu.c */ | |
7c85fbf0 PM |
512 | struct stp_proto; |
513 | extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, | |
514 | struct net_device *dev); | |
1da177e4 LT |
515 | |
516 | /* br_stp_timer.c */ | |
517 | extern void br_stp_timer_init(struct net_bridge *br); | |
518 | extern void br_stp_port_timer_init(struct net_bridge_port *p); | |
519 | extern unsigned long br_timer_value(const struct timer_list *timer); | |
520 | ||
521 | /* br.c */ | |
da678292 MM |
522 | #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) |
523 | extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); | |
524 | #endif | |
1da177e4 | 525 | |
11dc1f36 | 526 | /* br_netlink.c */ |
32fe21c0 | 527 | extern int br_netlink_init(void); |
11dc1f36 SH |
528 | extern void br_netlink_fini(void); |
529 | extern void br_ifinfo_notify(int event, struct net_bridge_port *port); | |
530 | ||
1da177e4 LT |
531 | #ifdef CONFIG_SYSFS |
532 | /* br_sysfs_if.c */ | |
52cf25d0 | 533 | extern const struct sysfs_ops brport_sysfs_ops; |
1da177e4 | 534 | extern int br_sysfs_addif(struct net_bridge_port *p); |
e0f43752 | 535 | extern int br_sysfs_renameif(struct net_bridge_port *p); |
1da177e4 LT |
536 | |
537 | /* br_sysfs_br.c */ | |
538 | extern int br_sysfs_addbr(struct net_device *dev); | |
539 | extern void br_sysfs_delbr(struct net_device *dev); | |
540 | ||
541 | #else | |
542 | ||
543 | #define br_sysfs_addif(p) (0) | |
e0f43752 | 544 | #define br_sysfs_renameif(p) (0) |
1da177e4 LT |
545 | #define br_sysfs_addbr(dev) (0) |
546 | #define br_sysfs_delbr(dev) do { } while(0) | |
547 | #endif /* CONFIG_SYSFS */ | |
548 | ||
549 | #endif |