]>
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> |
4adf0af6 | 19 | #include <net/route.h> |
1da177e4 LT |
20 | |
21 | #define BR_HASH_BITS 8 | |
22 | #define BR_HASH_SIZE (1 << BR_HASH_BITS) | |
23 | ||
24 | #define BR_HOLD_TIME (1*HZ) | |
25 | ||
26 | #define BR_PORT_BITS 10 | |
27 | #define BR_MAX_PORTS (1<<BR_PORT_BITS) | |
28 | ||
9cde0708 SH |
29 | #define BR_VERSION "2.3" |
30 | ||
31 | /* Path to usermode spanning tree program */ | |
32 | #define BR_STP_PROG "/sbin/bridge-stp" | |
8cbb512e | 33 | |
1da177e4 LT |
34 | typedef struct bridge_id bridge_id; |
35 | typedef struct mac_addr mac_addr; | |
36 | typedef __u16 port_id; | |
37 | ||
38 | struct bridge_id | |
39 | { | |
40 | unsigned char prio[2]; | |
41 | unsigned char addr[6]; | |
42 | }; | |
43 | ||
44 | struct mac_addr | |
45 | { | |
46 | unsigned char addr[6]; | |
47 | }; | |
48 | ||
8ef2a9a5 YH |
49 | struct br_ip |
50 | { | |
51 | union { | |
52 | __be32 ip4; | |
08b202b6 YH |
53 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
54 | struct in6_addr ip6; | |
55 | #endif | |
8ef2a9a5 YH |
56 | } u; |
57 | __be16 proto; | |
58 | }; | |
59 | ||
1da177e4 LT |
60 | struct net_bridge_fdb_entry |
61 | { | |
62 | struct hlist_node hlist; | |
63 | struct net_bridge_port *dst; | |
64 | ||
65 | struct rcu_head rcu; | |
1da177e4 LT |
66 | unsigned long ageing_timer; |
67 | mac_addr addr; | |
68 | unsigned char is_local; | |
69 | unsigned char is_static; | |
70 | }; | |
71 | ||
eb1d1641 HX |
72 | struct net_bridge_port_group { |
73 | struct net_bridge_port *port; | |
74 | struct net_bridge_port_group *next; | |
75 | struct hlist_node mglist; | |
76 | struct rcu_head rcu; | |
77 | struct timer_list timer; | |
78 | struct timer_list query_timer; | |
8ef2a9a5 | 79 | struct br_ip addr; |
eb1d1641 HX |
80 | u32 queries_sent; |
81 | }; | |
82 | ||
83 | struct net_bridge_mdb_entry | |
84 | { | |
85 | struct hlist_node hlist[2]; | |
86 | struct hlist_node mglist; | |
87 | struct net_bridge *br; | |
88 | struct net_bridge_port_group *ports; | |
89 | struct rcu_head rcu; | |
90 | struct timer_list timer; | |
91 | struct timer_list query_timer; | |
8ef2a9a5 | 92 | struct br_ip addr; |
eb1d1641 HX |
93 | u32 queries_sent; |
94 | }; | |
95 | ||
96 | struct net_bridge_mdb_htable | |
97 | { | |
98 | struct hlist_head *mhash; | |
99 | struct rcu_head rcu; | |
100 | struct net_bridge_mdb_htable *old; | |
101 | u32 size; | |
102 | u32 max; | |
103 | u32 secret; | |
104 | u32 ver; | |
105 | }; | |
106 | ||
1da177e4 LT |
107 | struct net_bridge_port |
108 | { | |
109 | struct net_bridge *br; | |
110 | struct net_device *dev; | |
111 | struct list_head list; | |
112 | ||
113 | /* STP */ | |
114 | u8 priority; | |
115 | u8 state; | |
116 | u16 port_no; | |
117 | unsigned char topology_change_ack; | |
118 | unsigned char config_pending; | |
119 | port_id port_id; | |
120 | port_id designated_port; | |
121 | bridge_id designated_root; | |
122 | bridge_id designated_bridge; | |
123 | u32 path_cost; | |
124 | u32 designated_cost; | |
125 | ||
126 | struct timer_list forward_delay_timer; | |
127 | struct timer_list hold_timer; | |
128 | struct timer_list message_age_timer; | |
129 | struct kobject kobj; | |
130 | struct rcu_head rcu; | |
3982d3d2 FA |
131 | |
132 | unsigned long flags; | |
133 | #define BR_HAIRPIN_MODE 0x00000001 | |
eb1d1641 HX |
134 | |
135 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
136 | u32 multicast_startup_queries_sent; | |
137 | unsigned char multicast_router; | |
138 | struct timer_list multicast_router_timer; | |
139 | struct timer_list multicast_query_timer; | |
140 | struct hlist_head mglist; | |
141 | struct hlist_node rlist; | |
142 | #endif | |
e0f43752 SA |
143 | |
144 | #ifdef CONFIG_SYSFS | |
145 | char sysfs_name[IFNAMSIZ]; | |
146 | #endif | |
91d2c34a HX |
147 | |
148 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
149 | struct netpoll *np; | |
150 | #endif | |
1da177e4 LT |
151 | }; |
152 | ||
0eae88f3 ED |
153 | struct br_cpu_netstats { |
154 | unsigned long rx_packets; | |
155 | unsigned long rx_bytes; | |
156 | unsigned long tx_packets; | |
157 | unsigned long tx_bytes; | |
158 | }; | |
159 | ||
1da177e4 LT |
160 | struct net_bridge |
161 | { | |
162 | spinlock_t lock; | |
163 | struct list_head port_list; | |
164 | struct net_device *dev; | |
14bb4789 | 165 | |
0eae88f3 | 166 | struct br_cpu_netstats __percpu *stats; |
1da177e4 LT |
167 | spinlock_t hash_lock; |
168 | struct hlist_head hash[BR_HASH_SIZE]; | |
edb5e46f | 169 | unsigned long feature_mask; |
4adf0af6 SW |
170 | #ifdef CONFIG_BRIDGE_NETFILTER |
171 | struct rtable fake_rtable; | |
172 | #endif | |
92c0574f SH |
173 | unsigned long flags; |
174 | #define BR_SET_MAC_ADDR 0x00000001 | |
1da177e4 LT |
175 | |
176 | /* STP */ | |
177 | bridge_id designated_root; | |
178 | bridge_id bridge_id; | |
179 | u32 root_path_cost; | |
180 | unsigned long max_age; | |
181 | unsigned long hello_time; | |
182 | unsigned long forward_delay; | |
183 | unsigned long bridge_max_age; | |
184 | unsigned long ageing_time; | |
185 | unsigned long bridge_hello_time; | |
186 | unsigned long bridge_forward_delay; | |
187 | ||
fda93d92 | 188 | u8 group_addr[ETH_ALEN]; |
1da177e4 | 189 | u16 root_port; |
9cde0708 SH |
190 | |
191 | enum { | |
192 | BR_NO_STP, /* no spanning tree */ | |
193 | BR_KERNEL_STP, /* old STP in kernel */ | |
194 | BR_USER_STP, /* new RSTP in userspace */ | |
195 | } stp_enabled; | |
196 | ||
1da177e4 LT |
197 | unsigned char topology_change; |
198 | unsigned char topology_change_detected; | |
199 | ||
eb1d1641 HX |
200 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
201 | unsigned char multicast_router; | |
202 | ||
203 | u8 multicast_disabled:1; | |
204 | ||
205 | u32 hash_elasticity; | |
206 | u32 hash_max; | |
207 | ||
208 | u32 multicast_last_member_count; | |
209 | u32 multicast_startup_queries_sent; | |
210 | u32 multicast_startup_query_count; | |
211 | ||
212 | unsigned long multicast_last_member_interval; | |
213 | unsigned long multicast_membership_interval; | |
214 | unsigned long multicast_querier_interval; | |
215 | unsigned long multicast_query_interval; | |
216 | unsigned long multicast_query_response_interval; | |
217 | unsigned long multicast_startup_query_interval; | |
218 | ||
219 | spinlock_t multicast_lock; | |
220 | struct net_bridge_mdb_htable *mdb; | |
221 | struct hlist_head router_list; | |
222 | struct hlist_head mglist; | |
223 | ||
224 | struct timer_list multicast_router_timer; | |
225 | struct timer_list multicast_querier_timer; | |
226 | struct timer_list multicast_query_timer; | |
227 | #endif | |
228 | ||
1da177e4 LT |
229 | struct timer_list hello_timer; |
230 | struct timer_list tcn_timer; | |
231 | struct timer_list topology_change_timer; | |
232 | struct timer_list gc_timer; | |
43b98c4a | 233 | struct kobject *ifobj; |
1da177e4 LT |
234 | }; |
235 | ||
68b7c895 HX |
236 | struct br_input_skb_cb { |
237 | struct net_device *brdev; | |
32dec5dd | 238 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
eb1d1641 HX |
239 | int igmp; |
240 | int mrouters_only; | |
32dec5dd | 241 | #endif |
68b7c895 HX |
242 | }; |
243 | ||
244 | #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) | |
245 | ||
32dec5dd YH |
246 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
247 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (BR_INPUT_SKB_CB(__skb)->mrouters_only) | |
248 | #else | |
249 | # define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb) (0) | |
250 | #endif | |
251 | ||
28a16c97 | 252 | #define br_printk(level, br, format, args...) \ |
253 | printk(level "%s: " format, (br)->dev->name, ##args) | |
254 | ||
255 | #define br_err(__br, format, args...) \ | |
256 | br_printk(KERN_ERR, __br, format, ##args) | |
257 | #define br_warn(__br, format, args...) \ | |
258 | br_printk(KERN_WARNING, __br, format, ##args) | |
259 | #define br_notice(__br, format, args...) \ | |
260 | br_printk(KERN_NOTICE, __br, format, ##args) | |
261 | #define br_info(__br, format, args...) \ | |
262 | br_printk(KERN_INFO, __br, format, ##args) | |
263 | ||
264 | #define br_debug(br, format, args...) \ | |
265 | pr_debug("%s: " format, (br)->dev->name, ##args) | |
266 | ||
1da177e4 | 267 | extern struct notifier_block br_device_notifier; |
fda93d92 | 268 | extern const u8 br_group_address[ETH_ALEN]; |
1da177e4 LT |
269 | |
270 | /* called under bridge lock */ | |
271 | static inline int br_is_root_bridge(const struct net_bridge *br) | |
272 | { | |
273 | return !memcmp(&br->bridge_id, &br->designated_root, 8); | |
274 | } | |
275 | ||
1da177e4 LT |
276 | /* br_device.c */ |
277 | extern void br_dev_setup(struct net_device *dev); | |
6fef4c0c SH |
278 | extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, |
279 | struct net_device *dev); | |
cfb478da | 280 | #ifdef CONFIG_NET_POLL_CONTROLLER |
91d2c34a HX |
281 | static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) |
282 | { | |
283 | return br->dev->npinfo; | |
284 | } | |
285 | ||
286 | static inline void br_netpoll_send_skb(const struct net_bridge_port *p, | |
287 | struct sk_buff *skb) | |
288 | { | |
289 | struct netpoll *np = p->np; | |
290 | ||
291 | if (np) | |
292 | netpoll_send_skb(np, skb); | |
293 | } | |
294 | ||
295 | extern int br_netpoll_enable(struct net_bridge_port *p); | |
296 | extern void br_netpoll_disable(struct net_bridge_port *p); | |
cfb478da | 297 | #else |
91d2c34a HX |
298 | static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) |
299 | { | |
300 | return NULL; | |
301 | } | |
302 | ||
303 | static inline void br_netpoll_send_skb(struct net_bridge_port *p, | |
304 | struct sk_buff *skb) | |
305 | { | |
306 | } | |
cfb478da | 307 | |
91d2c34a HX |
308 | static inline int br_netpoll_enable(struct net_bridge_port *p) |
309 | { | |
310 | return 0; | |
311 | } | |
312 | ||
313 | static inline void br_netpoll_disable(struct net_bridge_port *p) | |
314 | { | |
315 | } | |
cfb478da | 316 | #endif |
1da177e4 LT |
317 | |
318 | /* br_fdb.c */ | |
87a596e0 | 319 | extern int br_fdb_init(void); |
1da177e4 | 320 | extern void br_fdb_fini(void); |
9cf63747 | 321 | extern void br_fdb_flush(struct net_bridge *br); |
1da177e4 LT |
322 | extern void br_fdb_changeaddr(struct net_bridge_port *p, |
323 | const unsigned char *newaddr); | |
324 | extern void br_fdb_cleanup(unsigned long arg); | |
325 | extern void br_fdb_delete_by_port(struct net_bridge *br, | |
1a620698 | 326 | const struct net_bridge_port *p, int do_all); |
1da177e4 LT |
327 | extern struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, |
328 | const unsigned char *addr); | |
da678292 | 329 | extern int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); |
9d6f229f | 330 | extern int br_fdb_fillbuf(struct net_bridge *br, void *buf, |
1da177e4 LT |
331 | unsigned long count, unsigned long off); |
332 | extern int br_fdb_insert(struct net_bridge *br, | |
333 | struct net_bridge_port *source, | |
334 | const unsigned char *addr); | |
335 | extern void br_fdb_update(struct net_bridge *br, | |
336 | struct net_bridge_port *source, | |
337 | const unsigned char *addr); | |
338 | ||
339 | /* br_forward.c */ | |
340 | extern void br_deliver(const struct net_bridge_port *to, | |
341 | struct sk_buff *skb); | |
342 | extern int br_dev_queue_push_xmit(struct sk_buff *skb); | |
343 | extern void br_forward(const struct net_bridge_port *to, | |
7f7708f0 | 344 | struct sk_buff *skb, struct sk_buff *skb0); |
1da177e4 | 345 | extern int br_forward_finish(struct sk_buff *skb); |
e081e1e3 | 346 | extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb); |
b33084be HX |
347 | extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb, |
348 | struct sk_buff *skb2); | |
1da177e4 LT |
349 | |
350 | /* br_if.c */ | |
269def7c | 351 | extern void br_port_carrier_check(struct net_bridge_port *p); |
4aa678ba AD |
352 | extern int br_add_bridge(struct net *net, const char *name); |
353 | extern int br_del_bridge(struct net *net, const char *name); | |
712d6954 | 354 | extern void br_net_exit(struct net *net); |
1da177e4 LT |
355 | extern int br_add_if(struct net_bridge *br, |
356 | struct net_device *dev); | |
357 | extern int br_del_if(struct net_bridge *br, | |
358 | struct net_device *dev); | |
359 | extern int br_min_mtu(const struct net_bridge *br); | |
81d35307 | 360 | extern void br_features_recompute(struct net_bridge *br); |
1da177e4 LT |
361 | |
362 | /* br_input.c */ | |
363 | extern int br_handle_frame_finish(struct sk_buff *skb); | |
ab95bfe0 | 364 | extern struct sk_buff *br_handle_frame(struct sk_buff *skb); |
1da177e4 LT |
365 | |
366 | /* br_ioctl.c */ | |
367 | extern int br_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); | |
881d966b | 368 | extern int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *arg); |
1da177e4 | 369 | |
eb1d1641 HX |
370 | /* br_multicast.c */ |
371 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING | |
372 | extern int br_multicast_rcv(struct net_bridge *br, | |
373 | struct net_bridge_port *port, | |
374 | struct sk_buff *skb); | |
375 | extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
376 | struct sk_buff *skb); | |
377 | extern void br_multicast_add_port(struct net_bridge_port *port); | |
378 | extern void br_multicast_del_port(struct net_bridge_port *port); | |
379 | extern void br_multicast_enable_port(struct net_bridge_port *port); | |
380 | extern void br_multicast_disable_port(struct net_bridge_port *port); | |
381 | extern void br_multicast_init(struct net_bridge *br); | |
382 | extern void br_multicast_open(struct net_bridge *br); | |
383 | extern void br_multicast_stop(struct net_bridge *br); | |
5cb5e947 HX |
384 | extern void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, |
385 | struct sk_buff *skb); | |
386 | extern void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
387 | struct sk_buff *skb, struct sk_buff *skb2); | |
0909e117 HX |
388 | extern int br_multicast_set_router(struct net_bridge *br, unsigned long val); |
389 | extern int br_multicast_set_port_router(struct net_bridge_port *p, | |
390 | unsigned long val); | |
561f1103 | 391 | extern int br_multicast_toggle(struct net_bridge *br, unsigned long val); |
b195167f | 392 | extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val); |
85b35269 SS |
393 | |
394 | static inline bool br_multicast_is_router(struct net_bridge *br) | |
395 | { | |
396 | return br->multicast_router == 2 || | |
397 | (br->multicast_router == 1 && | |
398 | timer_pending(&br->multicast_router_timer)); | |
399 | } | |
eb1d1641 HX |
400 | #else |
401 | static inline int br_multicast_rcv(struct net_bridge *br, | |
402 | struct net_bridge_port *port, | |
403 | struct sk_buff *skb) | |
404 | { | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br, | |
409 | struct sk_buff *skb) | |
410 | { | |
411 | return NULL; | |
412 | } | |
413 | ||
414 | static inline void br_multicast_add_port(struct net_bridge_port *port) | |
415 | { | |
416 | } | |
417 | ||
418 | static inline void br_multicast_del_port(struct net_bridge_port *port) | |
419 | { | |
420 | } | |
421 | ||
422 | static inline void br_multicast_enable_port(struct net_bridge_port *port) | |
423 | { | |
424 | } | |
425 | ||
426 | static inline void br_multicast_disable_port(struct net_bridge_port *port) | |
427 | { | |
428 | } | |
429 | ||
430 | static inline void br_multicast_init(struct net_bridge *br) | |
431 | { | |
432 | } | |
433 | ||
434 | static inline void br_multicast_open(struct net_bridge *br) | |
435 | { | |
436 | } | |
437 | ||
438 | static inline void br_multicast_stop(struct net_bridge *br) | |
439 | { | |
440 | } | |
5cb5e947 HX |
441 | |
442 | static inline void br_multicast_deliver(struct net_bridge_mdb_entry *mdst, | |
443 | struct sk_buff *skb) | |
444 | { | |
445 | } | |
446 | ||
447 | static inline void br_multicast_forward(struct net_bridge_mdb_entry *mdst, | |
448 | struct sk_buff *skb, | |
449 | struct sk_buff *skb2) | |
450 | { | |
451 | } | |
eb1d1641 HX |
452 | static inline bool br_multicast_is_router(struct net_bridge *br) |
453 | { | |
85b35269 | 454 | return 0; |
eb1d1641 | 455 | } |
85b35269 | 456 | #endif |
eb1d1641 | 457 | |
1da177e4 | 458 | /* br_netfilter.c */ |
c0909713 | 459 | #ifdef CONFIG_BRIDGE_NETFILTER |
1da177e4 LT |
460 | extern int br_netfilter_init(void); |
461 | extern void br_netfilter_fini(void); | |
4adf0af6 | 462 | extern void br_netfilter_rtable_init(struct net_bridge *); |
c0909713 SH |
463 | #else |
464 | #define br_netfilter_init() (0) | |
465 | #define br_netfilter_fini() do { } while(0) | |
4adf0af6 | 466 | #define br_netfilter_rtable_init(x) |
c0909713 | 467 | #endif |
1da177e4 LT |
468 | |
469 | /* br_stp.c */ | |
470 | extern void br_log_state(const struct net_bridge_port *p); | |
471 | extern struct net_bridge_port *br_get_port(struct net_bridge *br, | |
9d6f229f | 472 | u16 port_no); |
1da177e4 LT |
473 | extern void br_init_port(struct net_bridge_port *p); |
474 | extern void br_become_designated_port(struct net_bridge_port *p); | |
475 | ||
476 | /* br_stp_if.c */ | |
477 | extern void br_stp_enable_bridge(struct net_bridge *br); | |
478 | extern void br_stp_disable_bridge(struct net_bridge *br); | |
9cde0708 | 479 | extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); |
1da177e4 LT |
480 | extern void br_stp_enable_port(struct net_bridge_port *p); |
481 | extern void br_stp_disable_port(struct net_bridge_port *p); | |
482 | extern void br_stp_recalculate_bridge_id(struct net_bridge *br); | |
4505a3ef | 483 | extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); |
1da177e4 LT |
484 | extern void br_stp_set_bridge_priority(struct net_bridge *br, |
485 | u16 newprio); | |
486 | extern void br_stp_set_port_priority(struct net_bridge_port *p, | |
487 | u8 newprio); | |
488 | extern void br_stp_set_path_cost(struct net_bridge_port *p, | |
489 | u32 path_cost); | |
490 | extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); | |
491 | ||
492 | /* br_stp_bpdu.c */ | |
7c85fbf0 PM |
493 | struct stp_proto; |
494 | extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, | |
495 | struct net_device *dev); | |
1da177e4 LT |
496 | |
497 | /* br_stp_timer.c */ | |
498 | extern void br_stp_timer_init(struct net_bridge *br); | |
499 | extern void br_stp_port_timer_init(struct net_bridge_port *p); | |
500 | extern unsigned long br_timer_value(const struct timer_list *timer); | |
501 | ||
502 | /* br.c */ | |
da678292 MM |
503 | #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) |
504 | extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr); | |
505 | #endif | |
1da177e4 | 506 | |
11dc1f36 | 507 | /* br_netlink.c */ |
32fe21c0 | 508 | extern int br_netlink_init(void); |
11dc1f36 SH |
509 | extern void br_netlink_fini(void); |
510 | extern void br_ifinfo_notify(int event, struct net_bridge_port *port); | |
511 | ||
1da177e4 LT |
512 | #ifdef CONFIG_SYSFS |
513 | /* br_sysfs_if.c */ | |
52cf25d0 | 514 | extern const struct sysfs_ops brport_sysfs_ops; |
1da177e4 | 515 | extern int br_sysfs_addif(struct net_bridge_port *p); |
e0f43752 | 516 | extern int br_sysfs_renameif(struct net_bridge_port *p); |
1da177e4 LT |
517 | |
518 | /* br_sysfs_br.c */ | |
519 | extern int br_sysfs_addbr(struct net_device *dev); | |
520 | extern void br_sysfs_delbr(struct net_device *dev); | |
521 | ||
522 | #else | |
523 | ||
524 | #define br_sysfs_addif(p) (0) | |
e0f43752 | 525 | #define br_sysfs_renameif(p) (0) |
1da177e4 LT |
526 | #define br_sysfs_addbr(dev) (0) |
527 | #define br_sysfs_delbr(dev) do { } while(0) | |
528 | #endif /* CONFIG_SYSFS */ | |
529 | ||
530 | #endif |