Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Sysfs attributes of bridge ports | |
3 | * Linux ethernet bridge | |
4 | * | |
5 | * Authors: | |
6 | * Stephen Hemminger <shemminger@osdl.org> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version | |
11 | * 2 of the License, or (at your option) any later version. | |
12 | */ | |
13 | ||
4fc268d2 | 14 | #include <linux/capability.h> |
1da177e4 LT |
15 | #include <linux/kernel.h> |
16 | #include <linux/netdevice.h> | |
17 | #include <linux/if_bridge.h> | |
18 | #include <linux/rtnetlink.h> | |
19 | #include <linux/spinlock.h> | |
20 | #include <linux/times.h> | |
21 | ||
22 | #include "br_private.h" | |
23 | ||
43cb76d9 | 24 | #define to_dev(obj) container_of(obj, struct device, kobj) |
524ad0a7 | 25 | #define to_bridge(cd) ((struct net_bridge *)netdev_priv(to_net_dev(cd))) |
1da177e4 LT |
26 | |
27 | /* | |
28 | * Common code for storing bridge parameters. | |
29 | */ | |
43cb76d9 | 30 | static ssize_t store_bridge_parm(struct device *d, |
1da177e4 | 31 | const char *buf, size_t len, |
8d4698f7 | 32 | int (*set)(struct net_bridge *, unsigned long)) |
1da177e4 | 33 | { |
43cb76d9 | 34 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
35 | char *endp; |
36 | unsigned long val; | |
8d4698f7 | 37 | int err; |
1da177e4 LT |
38 | |
39 | if (!capable(CAP_NET_ADMIN)) | |
40 | return -EPERM; | |
41 | ||
42 | val = simple_strtoul(buf, &endp, 0); | |
43 | if (endp == buf) | |
44 | return -EINVAL; | |
45 | ||
8d4698f7 | 46 | err = (*set)(br, val); |
8d4698f7 | 47 | return err ? err : len; |
1da177e4 LT |
48 | } |
49 | ||
50 | ||
43cb76d9 GKH |
51 | static ssize_t show_forward_delay(struct device *d, |
52 | struct device_attribute *attr, char *buf) | |
1da177e4 | 53 | { |
43cb76d9 | 54 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
55 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->forward_delay)); |
56 | } | |
57 | ||
43cb76d9 GKH |
58 | static ssize_t store_forward_delay(struct device *d, |
59 | struct device_attribute *attr, | |
60 | const char *buf, size_t len) | |
1da177e4 | 61 | { |
14f98f25 | 62 | return store_bridge_parm(d, buf, len, br_set_forward_delay); |
1da177e4 | 63 | } |
43cb76d9 GKH |
64 | static DEVICE_ATTR(forward_delay, S_IRUGO | S_IWUSR, |
65 | show_forward_delay, store_forward_delay); | |
1da177e4 | 66 | |
43cb76d9 GKH |
67 | static ssize_t show_hello_time(struct device *d, struct device_attribute *attr, |
68 | char *buf) | |
1da177e4 LT |
69 | { |
70 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 71 | jiffies_to_clock_t(to_bridge(d)->hello_time)); |
1da177e4 LT |
72 | } |
73 | ||
43cb76d9 GKH |
74 | static ssize_t store_hello_time(struct device *d, |
75 | struct device_attribute *attr, const char *buf, | |
1da177e4 LT |
76 | size_t len) |
77 | { | |
14f98f25 | 78 | return store_bridge_parm(d, buf, len, br_set_hello_time); |
1da177e4 | 79 | } |
43cb76d9 GKH |
80 | static DEVICE_ATTR(hello_time, S_IRUGO | S_IWUSR, show_hello_time, |
81 | store_hello_time); | |
1da177e4 | 82 | |
43cb76d9 GKH |
83 | static ssize_t show_max_age(struct device *d, struct device_attribute *attr, |
84 | char *buf) | |
1da177e4 LT |
85 | { |
86 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 87 | jiffies_to_clock_t(to_bridge(d)->max_age)); |
1da177e4 LT |
88 | } |
89 | ||
43cb76d9 GKH |
90 | static ssize_t store_max_age(struct device *d, struct device_attribute *attr, |
91 | const char *buf, size_t len) | |
1da177e4 | 92 | { |
14f98f25 | 93 | return store_bridge_parm(d, buf, len, br_set_max_age); |
1da177e4 | 94 | } |
43cb76d9 | 95 | static DEVICE_ATTR(max_age, S_IRUGO | S_IWUSR, show_max_age, store_max_age); |
1da177e4 | 96 | |
43cb76d9 GKH |
97 | static ssize_t show_ageing_time(struct device *d, |
98 | struct device_attribute *attr, char *buf) | |
1da177e4 | 99 | { |
43cb76d9 | 100 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
101 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->ageing_time)); |
102 | } | |
103 | ||
8d4698f7 | 104 | static int set_ageing_time(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
105 | { |
106 | br->ageing_time = clock_t_to_jiffies(val); | |
8d4698f7 | 107 | return 0; |
1da177e4 LT |
108 | } |
109 | ||
43cb76d9 GKH |
110 | static ssize_t store_ageing_time(struct device *d, |
111 | struct device_attribute *attr, | |
112 | const char *buf, size_t len) | |
1da177e4 | 113 | { |
43cb76d9 | 114 | return store_bridge_parm(d, buf, len, set_ageing_time); |
1da177e4 | 115 | } |
43cb76d9 GKH |
116 | static DEVICE_ATTR(ageing_time, S_IRUGO | S_IWUSR, show_ageing_time, |
117 | store_ageing_time); | |
1da177e4 | 118 | |
43cb76d9 GKH |
119 | static ssize_t show_stp_state(struct device *d, |
120 | struct device_attribute *attr, char *buf) | |
1da177e4 | 121 | { |
43cb76d9 | 122 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
123 | return sprintf(buf, "%d\n", br->stp_enabled); |
124 | } | |
125 | ||
1da177e4 | 126 | |
43cb76d9 GKH |
127 | static ssize_t store_stp_state(struct device *d, |
128 | struct device_attribute *attr, const char *buf, | |
129 | size_t len) | |
1da177e4 | 130 | { |
17120889 SH |
131 | struct net_bridge *br = to_bridge(d); |
132 | char *endp; | |
133 | unsigned long val; | |
134 | ||
135 | if (!capable(CAP_NET_ADMIN)) | |
136 | return -EPERM; | |
137 | ||
138 | val = simple_strtoul(buf, &endp, 0); | |
139 | if (endp == buf) | |
140 | return -EINVAL; | |
141 | ||
af38f298 EB |
142 | if (!rtnl_trylock()) |
143 | return restart_syscall(); | |
17120889 SH |
144 | br_stp_set_enabled(br, val); |
145 | rtnl_unlock(); | |
146 | ||
35b426c3 | 147 | return len; |
1da177e4 | 148 | } |
43cb76d9 GKH |
149 | static DEVICE_ATTR(stp_state, S_IRUGO | S_IWUSR, show_stp_state, |
150 | store_stp_state); | |
1da177e4 | 151 | |
515853cc | 152 | static ssize_t show_group_fwd_mask(struct device *d, |
153 | struct device_attribute *attr, char *buf) | |
154 | { | |
155 | struct net_bridge *br = to_bridge(d); | |
156 | return sprintf(buf, "%#x\n", br->group_fwd_mask); | |
157 | } | |
158 | ||
159 | ||
160 | static ssize_t store_group_fwd_mask(struct device *d, | |
161 | struct device_attribute *attr, const char *buf, | |
162 | size_t len) | |
163 | { | |
164 | struct net_bridge *br = to_bridge(d); | |
165 | char *endp; | |
166 | unsigned long val; | |
167 | ||
168 | if (!capable(CAP_NET_ADMIN)) | |
169 | return -EPERM; | |
170 | ||
171 | val = simple_strtoul(buf, &endp, 0); | |
172 | if (endp == buf) | |
173 | return -EINVAL; | |
174 | ||
175 | if (val & BR_GROUPFWD_RESTRICTED) | |
176 | return -EINVAL; | |
177 | ||
178 | br->group_fwd_mask = val; | |
179 | ||
180 | return len; | |
181 | } | |
182 | static DEVICE_ATTR(group_fwd_mask, S_IRUGO | S_IWUSR, show_group_fwd_mask, | |
183 | store_group_fwd_mask); | |
184 | ||
43cb76d9 GKH |
185 | static ssize_t show_priority(struct device *d, struct device_attribute *attr, |
186 | char *buf) | |
1da177e4 | 187 | { |
43cb76d9 | 188 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
189 | return sprintf(buf, "%d\n", |
190 | (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]); | |
191 | } | |
192 | ||
8d4698f7 | 193 | static int set_priority(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
194 | { |
195 | br_stp_set_bridge_priority(br, (u16) val); | |
8d4698f7 | 196 | return 0; |
1da177e4 LT |
197 | } |
198 | ||
43cb76d9 | 199 | static ssize_t store_priority(struct device *d, struct device_attribute *attr, |
1da177e4 LT |
200 | const char *buf, size_t len) |
201 | { | |
43cb76d9 | 202 | return store_bridge_parm(d, buf, len, set_priority); |
1da177e4 | 203 | } |
43cb76d9 | 204 | static DEVICE_ATTR(priority, S_IRUGO | S_IWUSR, show_priority, store_priority); |
1da177e4 | 205 | |
43cb76d9 GKH |
206 | static ssize_t show_root_id(struct device *d, struct device_attribute *attr, |
207 | char *buf) | |
1da177e4 | 208 | { |
43cb76d9 | 209 | return br_show_bridge_id(buf, &to_bridge(d)->designated_root); |
1da177e4 | 210 | } |
43cb76d9 | 211 | static DEVICE_ATTR(root_id, S_IRUGO, show_root_id, NULL); |
1da177e4 | 212 | |
43cb76d9 GKH |
213 | static ssize_t show_bridge_id(struct device *d, struct device_attribute *attr, |
214 | char *buf) | |
1da177e4 | 215 | { |
43cb76d9 | 216 | return br_show_bridge_id(buf, &to_bridge(d)->bridge_id); |
1da177e4 | 217 | } |
43cb76d9 | 218 | static DEVICE_ATTR(bridge_id, S_IRUGO, show_bridge_id, NULL); |
1da177e4 | 219 | |
43cb76d9 GKH |
220 | static ssize_t show_root_port(struct device *d, struct device_attribute *attr, |
221 | char *buf) | |
1da177e4 | 222 | { |
43cb76d9 | 223 | return sprintf(buf, "%d\n", to_bridge(d)->root_port); |
1da177e4 | 224 | } |
43cb76d9 | 225 | static DEVICE_ATTR(root_port, S_IRUGO, show_root_port, NULL); |
1da177e4 | 226 | |
43cb76d9 GKH |
227 | static ssize_t show_root_path_cost(struct device *d, |
228 | struct device_attribute *attr, char *buf) | |
1da177e4 | 229 | { |
43cb76d9 | 230 | return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost); |
1da177e4 | 231 | } |
43cb76d9 | 232 | static DEVICE_ATTR(root_path_cost, S_IRUGO, show_root_path_cost, NULL); |
1da177e4 | 233 | |
43cb76d9 GKH |
234 | static ssize_t show_topology_change(struct device *d, |
235 | struct device_attribute *attr, char *buf) | |
1da177e4 | 236 | { |
43cb76d9 | 237 | return sprintf(buf, "%d\n", to_bridge(d)->topology_change); |
1da177e4 | 238 | } |
43cb76d9 | 239 | static DEVICE_ATTR(topology_change, S_IRUGO, show_topology_change, NULL); |
1da177e4 | 240 | |
43cb76d9 GKH |
241 | static ssize_t show_topology_change_detected(struct device *d, |
242 | struct device_attribute *attr, | |
243 | char *buf) | |
1da177e4 | 244 | { |
43cb76d9 | 245 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
246 | return sprintf(buf, "%d\n", br->topology_change_detected); |
247 | } | |
43cb76d9 GKH |
248 | static DEVICE_ATTR(topology_change_detected, S_IRUGO, |
249 | show_topology_change_detected, NULL); | |
1da177e4 | 250 | |
43cb76d9 GKH |
251 | static ssize_t show_hello_timer(struct device *d, |
252 | struct device_attribute *attr, char *buf) | |
1da177e4 | 253 | { |
43cb76d9 | 254 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
255 | return sprintf(buf, "%ld\n", br_timer_value(&br->hello_timer)); |
256 | } | |
43cb76d9 | 257 | static DEVICE_ATTR(hello_timer, S_IRUGO, show_hello_timer, NULL); |
1da177e4 | 258 | |
43cb76d9 GKH |
259 | static ssize_t show_tcn_timer(struct device *d, struct device_attribute *attr, |
260 | char *buf) | |
1da177e4 | 261 | { |
43cb76d9 | 262 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
263 | return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer)); |
264 | } | |
43cb76d9 | 265 | static DEVICE_ATTR(tcn_timer, S_IRUGO, show_tcn_timer, NULL); |
1da177e4 | 266 | |
43cb76d9 GKH |
267 | static ssize_t show_topology_change_timer(struct device *d, |
268 | struct device_attribute *attr, | |
269 | char *buf) | |
1da177e4 | 270 | { |
43cb76d9 | 271 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
272 | return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer)); |
273 | } | |
43cb76d9 GKH |
274 | static DEVICE_ATTR(topology_change_timer, S_IRUGO, show_topology_change_timer, |
275 | NULL); | |
1da177e4 | 276 | |
43cb76d9 GKH |
277 | static ssize_t show_gc_timer(struct device *d, struct device_attribute *attr, |
278 | char *buf) | |
1da177e4 | 279 | { |
43cb76d9 | 280 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
281 | return sprintf(buf, "%ld\n", br_timer_value(&br->gc_timer)); |
282 | } | |
43cb76d9 | 283 | static DEVICE_ATTR(gc_timer, S_IRUGO, show_gc_timer, NULL); |
1da177e4 | 284 | |
43cb76d9 GKH |
285 | static ssize_t show_group_addr(struct device *d, |
286 | struct device_attribute *attr, char *buf) | |
fda93d92 | 287 | { |
43cb76d9 | 288 | struct net_bridge *br = to_bridge(d); |
fda93d92 SH |
289 | return sprintf(buf, "%x:%x:%x:%x:%x:%x\n", |
290 | br->group_addr[0], br->group_addr[1], | |
291 | br->group_addr[2], br->group_addr[3], | |
292 | br->group_addr[4], br->group_addr[5]); | |
293 | } | |
294 | ||
43cb76d9 GKH |
295 | static ssize_t store_group_addr(struct device *d, |
296 | struct device_attribute *attr, | |
297 | const char *buf, size_t len) | |
fda93d92 | 298 | { |
43cb76d9 | 299 | struct net_bridge *br = to_bridge(d); |
95c96174 | 300 | unsigned int new_addr[6]; |
fda93d92 SH |
301 | int i; |
302 | ||
303 | if (!capable(CAP_NET_ADMIN)) | |
304 | return -EPERM; | |
305 | ||
306 | if (sscanf(buf, "%x:%x:%x:%x:%x:%x", | |
307 | &new_addr[0], &new_addr[1], &new_addr[2], | |
308 | &new_addr[3], &new_addr[4], &new_addr[5]) != 6) | |
309 | return -EINVAL; | |
310 | ||
311 | /* Must be 01:80:c2:00:00:0X */ | |
312 | for (i = 0; i < 5; i++) | |
313 | if (new_addr[i] != br_group_address[i]) | |
314 | return -EINVAL; | |
315 | ||
316 | if (new_addr[5] & ~0xf) | |
317 | return -EINVAL; | |
318 | ||
f64f9e71 JP |
319 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
320 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
321 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
322 | return -EINVAL; |
323 | ||
324 | spin_lock_bh(&br->lock); | |
325 | for (i = 0; i < 6; i++) | |
326 | br->group_addr[i] = new_addr[i]; | |
327 | spin_unlock_bh(&br->lock); | |
328 | return len; | |
329 | } | |
330 | ||
43cb76d9 GKH |
331 | static DEVICE_ATTR(group_addr, S_IRUGO | S_IWUSR, |
332 | show_group_addr, store_group_addr); | |
fda93d92 | 333 | |
9cf63747 SH |
334 | static ssize_t store_flush(struct device *d, |
335 | struct device_attribute *attr, | |
336 | const char *buf, size_t len) | |
337 | { | |
338 | struct net_bridge *br = to_bridge(d); | |
339 | ||
340 | if (!capable(CAP_NET_ADMIN)) | |
341 | return -EPERM; | |
342 | ||
343 | br_fdb_flush(br); | |
344 | return len; | |
345 | } | |
346 | static DEVICE_ATTR(flush, S_IWUSR, NULL, store_flush); | |
fda93d92 | 347 | |
0909e117 HX |
348 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
349 | static ssize_t show_multicast_router(struct device *d, | |
350 | struct device_attribute *attr, char *buf) | |
351 | { | |
352 | struct net_bridge *br = to_bridge(d); | |
353 | return sprintf(buf, "%d\n", br->multicast_router); | |
354 | } | |
355 | ||
356 | static ssize_t store_multicast_router(struct device *d, | |
357 | struct device_attribute *attr, | |
358 | const char *buf, size_t len) | |
359 | { | |
360 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
361 | } | |
362 | static DEVICE_ATTR(multicast_router, S_IRUGO | S_IWUSR, show_multicast_router, | |
363 | store_multicast_router); | |
561f1103 HX |
364 | |
365 | static ssize_t show_multicast_snooping(struct device *d, | |
366 | struct device_attribute *attr, | |
367 | char *buf) | |
368 | { | |
369 | struct net_bridge *br = to_bridge(d); | |
370 | return sprintf(buf, "%d\n", !br->multicast_disabled); | |
371 | } | |
372 | ||
373 | static ssize_t store_multicast_snooping(struct device *d, | |
374 | struct device_attribute *attr, | |
375 | const char *buf, size_t len) | |
376 | { | |
377 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
378 | } | |
379 | static DEVICE_ATTR(multicast_snooping, S_IRUGO | S_IWUSR, | |
380 | show_multicast_snooping, store_multicast_snooping); | |
b195167f | 381 | |
c5c23260 HX |
382 | static ssize_t show_multicast_querier(struct device *d, |
383 | struct device_attribute *attr, | |
384 | char *buf) | |
385 | { | |
386 | struct net_bridge *br = to_bridge(d); | |
387 | return sprintf(buf, "%d\n", br->multicast_querier); | |
388 | } | |
389 | ||
390 | static ssize_t store_multicast_querier(struct device *d, | |
391 | struct device_attribute *attr, | |
392 | const char *buf, size_t len) | |
393 | { | |
394 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
395 | } | |
396 | static DEVICE_ATTR(multicast_querier, S_IRUGO | S_IWUSR, | |
397 | show_multicast_querier, store_multicast_querier); | |
398 | ||
b195167f HX |
399 | static ssize_t show_hash_elasticity(struct device *d, |
400 | struct device_attribute *attr, char *buf) | |
401 | { | |
402 | struct net_bridge *br = to_bridge(d); | |
403 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
404 | } | |
405 | ||
406 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
407 | { | |
408 | br->hash_elasticity = val; | |
409 | return 0; | |
410 | } | |
411 | ||
412 | static ssize_t store_hash_elasticity(struct device *d, | |
413 | struct device_attribute *attr, | |
414 | const char *buf, size_t len) | |
415 | { | |
416 | return store_bridge_parm(d, buf, len, set_elasticity); | |
417 | } | |
418 | static DEVICE_ATTR(hash_elasticity, S_IRUGO | S_IWUSR, show_hash_elasticity, | |
419 | store_hash_elasticity); | |
420 | ||
421 | static ssize_t show_hash_max(struct device *d, struct device_attribute *attr, | |
422 | char *buf) | |
423 | { | |
424 | struct net_bridge *br = to_bridge(d); | |
425 | return sprintf(buf, "%u\n", br->hash_max); | |
426 | } | |
427 | ||
428 | static ssize_t store_hash_max(struct device *d, struct device_attribute *attr, | |
429 | const char *buf, size_t len) | |
430 | { | |
431 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
432 | } | |
433 | static DEVICE_ATTR(hash_max, S_IRUGO | S_IWUSR, show_hash_max, | |
434 | store_hash_max); | |
d902eee4 HX |
435 | |
436 | static ssize_t show_multicast_last_member_count(struct device *d, | |
437 | struct device_attribute *attr, | |
438 | char *buf) | |
439 | { | |
440 | struct net_bridge *br = to_bridge(d); | |
441 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
442 | } | |
443 | ||
444 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
445 | { | |
446 | br->multicast_last_member_count = val; | |
447 | return 0; | |
448 | } | |
449 | ||
450 | static ssize_t store_multicast_last_member_count(struct device *d, | |
451 | struct device_attribute *attr, | |
452 | const char *buf, size_t len) | |
453 | { | |
454 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
455 | } | |
456 | static DEVICE_ATTR(multicast_last_member_count, S_IRUGO | S_IWUSR, | |
457 | show_multicast_last_member_count, | |
458 | store_multicast_last_member_count); | |
459 | ||
460 | static ssize_t show_multicast_startup_query_count( | |
461 | struct device *d, struct device_attribute *attr, char *buf) | |
462 | { | |
463 | struct net_bridge *br = to_bridge(d); | |
464 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
465 | } | |
466 | ||
467 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
468 | { | |
469 | br->multicast_startup_query_count = val; | |
470 | return 0; | |
471 | } | |
472 | ||
473 | static ssize_t store_multicast_startup_query_count( | |
474 | struct device *d, struct device_attribute *attr, const char *buf, | |
475 | size_t len) | |
476 | { | |
477 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
478 | } | |
479 | static DEVICE_ATTR(multicast_startup_query_count, S_IRUGO | S_IWUSR, | |
480 | show_multicast_startup_query_count, | |
481 | store_multicast_startup_query_count); | |
482 | ||
483 | static ssize_t show_multicast_last_member_interval( | |
484 | struct device *d, struct device_attribute *attr, char *buf) | |
485 | { | |
486 | struct net_bridge *br = to_bridge(d); | |
487 | return sprintf(buf, "%lu\n", | |
488 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
489 | } | |
490 | ||
491 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
492 | { | |
493 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
494 | return 0; | |
495 | } | |
496 | ||
497 | static ssize_t store_multicast_last_member_interval( | |
498 | struct device *d, struct device_attribute *attr, const char *buf, | |
499 | size_t len) | |
500 | { | |
501 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
502 | } | |
503 | static DEVICE_ATTR(multicast_last_member_interval, S_IRUGO | S_IWUSR, | |
504 | show_multicast_last_member_interval, | |
505 | store_multicast_last_member_interval); | |
506 | ||
507 | static ssize_t show_multicast_membership_interval( | |
508 | struct device *d, struct device_attribute *attr, char *buf) | |
509 | { | |
510 | struct net_bridge *br = to_bridge(d); | |
511 | return sprintf(buf, "%lu\n", | |
512 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
513 | } | |
514 | ||
515 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
516 | { | |
517 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
518 | return 0; | |
519 | } | |
520 | ||
521 | static ssize_t store_multicast_membership_interval( | |
522 | struct device *d, struct device_attribute *attr, const char *buf, | |
523 | size_t len) | |
524 | { | |
525 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
526 | } | |
527 | static DEVICE_ATTR(multicast_membership_interval, S_IRUGO | S_IWUSR, | |
528 | show_multicast_membership_interval, | |
529 | store_multicast_membership_interval); | |
530 | ||
531 | static ssize_t show_multicast_querier_interval(struct device *d, | |
532 | struct device_attribute *attr, | |
533 | char *buf) | |
534 | { | |
535 | struct net_bridge *br = to_bridge(d); | |
536 | return sprintf(buf, "%lu\n", | |
537 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
538 | } | |
539 | ||
540 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
541 | { | |
542 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
543 | return 0; | |
544 | } | |
545 | ||
546 | static ssize_t store_multicast_querier_interval(struct device *d, | |
547 | struct device_attribute *attr, | |
548 | const char *buf, size_t len) | |
549 | { | |
550 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
551 | } | |
552 | static DEVICE_ATTR(multicast_querier_interval, S_IRUGO | S_IWUSR, | |
553 | show_multicast_querier_interval, | |
554 | store_multicast_querier_interval); | |
555 | ||
556 | static ssize_t show_multicast_query_interval(struct device *d, | |
557 | struct device_attribute *attr, | |
558 | char *buf) | |
559 | { | |
560 | struct net_bridge *br = to_bridge(d); | |
561 | return sprintf(buf, "%lu\n", | |
562 | jiffies_to_clock_t(br->multicast_query_interval)); | |
563 | } | |
564 | ||
565 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
566 | { | |
567 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
568 | return 0; | |
569 | } | |
570 | ||
571 | static ssize_t store_multicast_query_interval(struct device *d, | |
572 | struct device_attribute *attr, | |
573 | const char *buf, size_t len) | |
574 | { | |
575 | return store_bridge_parm(d, buf, len, set_query_interval); | |
576 | } | |
577 | static DEVICE_ATTR(multicast_query_interval, S_IRUGO | S_IWUSR, | |
578 | show_multicast_query_interval, | |
579 | store_multicast_query_interval); | |
580 | ||
581 | static ssize_t show_multicast_query_response_interval( | |
582 | struct device *d, struct device_attribute *attr, char *buf) | |
583 | { | |
584 | struct net_bridge *br = to_bridge(d); | |
585 | return sprintf( | |
586 | buf, "%lu\n", | |
587 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
588 | } | |
589 | ||
590 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
591 | { | |
592 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
593 | return 0; | |
594 | } | |
595 | ||
596 | static ssize_t store_multicast_query_response_interval( | |
597 | struct device *d, struct device_attribute *attr, const char *buf, | |
598 | size_t len) | |
599 | { | |
600 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
601 | } | |
602 | static DEVICE_ATTR(multicast_query_response_interval, S_IRUGO | S_IWUSR, | |
603 | show_multicast_query_response_interval, | |
604 | store_multicast_query_response_interval); | |
605 | ||
606 | static ssize_t show_multicast_startup_query_interval( | |
607 | struct device *d, struct device_attribute *attr, char *buf) | |
608 | { | |
609 | struct net_bridge *br = to_bridge(d); | |
610 | return sprintf( | |
611 | buf, "%lu\n", | |
612 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
613 | } | |
614 | ||
615 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
616 | { | |
617 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
618 | return 0; | |
619 | } | |
620 | ||
621 | static ssize_t store_multicast_startup_query_interval( | |
622 | struct device *d, struct device_attribute *attr, const char *buf, | |
623 | size_t len) | |
624 | { | |
625 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
626 | } | |
627 | static DEVICE_ATTR(multicast_startup_query_interval, S_IRUGO | S_IWUSR, | |
628 | show_multicast_startup_query_interval, | |
629 | store_multicast_startup_query_interval); | |
0909e117 | 630 | #endif |
4df53d8b PM |
631 | #ifdef CONFIG_BRIDGE_NETFILTER |
632 | static ssize_t show_nf_call_iptables( | |
633 | struct device *d, struct device_attribute *attr, char *buf) | |
634 | { | |
635 | struct net_bridge *br = to_bridge(d); | |
636 | return sprintf(buf, "%u\n", br->nf_call_iptables); | |
637 | } | |
638 | ||
639 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
640 | { | |
641 | br->nf_call_iptables = val ? true : false; | |
642 | return 0; | |
643 | } | |
644 | ||
645 | static ssize_t store_nf_call_iptables( | |
646 | struct device *d, struct device_attribute *attr, const char *buf, | |
647 | size_t len) | |
648 | { | |
649 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
650 | } | |
651 | static DEVICE_ATTR(nf_call_iptables, S_IRUGO | S_IWUSR, | |
652 | show_nf_call_iptables, store_nf_call_iptables); | |
653 | ||
654 | static ssize_t show_nf_call_ip6tables( | |
655 | struct device *d, struct device_attribute *attr, char *buf) | |
656 | { | |
657 | struct net_bridge *br = to_bridge(d); | |
658 | return sprintf(buf, "%u\n", br->nf_call_ip6tables); | |
659 | } | |
660 | ||
661 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
662 | { | |
663 | br->nf_call_ip6tables = val ? true : false; | |
664 | return 0; | |
665 | } | |
666 | ||
667 | static ssize_t store_nf_call_ip6tables( | |
668 | struct device *d, struct device_attribute *attr, const char *buf, | |
669 | size_t len) | |
670 | { | |
671 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
672 | } | |
673 | static DEVICE_ATTR(nf_call_ip6tables, S_IRUGO | S_IWUSR, | |
674 | show_nf_call_ip6tables, store_nf_call_ip6tables); | |
675 | ||
676 | static ssize_t show_nf_call_arptables( | |
677 | struct device *d, struct device_attribute *attr, char *buf) | |
678 | { | |
679 | struct net_bridge *br = to_bridge(d); | |
680 | return sprintf(buf, "%u\n", br->nf_call_arptables); | |
681 | } | |
682 | ||
683 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
684 | { | |
685 | br->nf_call_arptables = val ? true : false; | |
686 | return 0; | |
687 | } | |
688 | ||
689 | static ssize_t store_nf_call_arptables( | |
690 | struct device *d, struct device_attribute *attr, const char *buf, | |
691 | size_t len) | |
692 | { | |
693 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
694 | } | |
695 | static DEVICE_ATTR(nf_call_arptables, S_IRUGO | S_IWUSR, | |
696 | show_nf_call_arptables, store_nf_call_arptables); | |
697 | #endif | |
0909e117 | 698 | |
1da177e4 | 699 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
700 | &dev_attr_forward_delay.attr, |
701 | &dev_attr_hello_time.attr, | |
702 | &dev_attr_max_age.attr, | |
703 | &dev_attr_ageing_time.attr, | |
704 | &dev_attr_stp_state.attr, | |
515853cc | 705 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
706 | &dev_attr_priority.attr, |
707 | &dev_attr_bridge_id.attr, | |
708 | &dev_attr_root_id.attr, | |
709 | &dev_attr_root_path_cost.attr, | |
710 | &dev_attr_root_port.attr, | |
711 | &dev_attr_topology_change.attr, | |
712 | &dev_attr_topology_change_detected.attr, | |
713 | &dev_attr_hello_timer.attr, | |
714 | &dev_attr_tcn_timer.attr, | |
715 | &dev_attr_topology_change_timer.attr, | |
716 | &dev_attr_gc_timer.attr, | |
717 | &dev_attr_group_addr.attr, | |
9cf63747 | 718 | &dev_attr_flush.attr, |
0909e117 HX |
719 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
720 | &dev_attr_multicast_router.attr, | |
561f1103 | 721 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 722 | &dev_attr_multicast_querier.attr, |
b195167f HX |
723 | &dev_attr_hash_elasticity.attr, |
724 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
725 | &dev_attr_multicast_last_member_count.attr, |
726 | &dev_attr_multicast_startup_query_count.attr, | |
727 | &dev_attr_multicast_last_member_interval.attr, | |
728 | &dev_attr_multicast_membership_interval.attr, | |
729 | &dev_attr_multicast_querier_interval.attr, | |
730 | &dev_attr_multicast_query_interval.attr, | |
731 | &dev_attr_multicast_query_response_interval.attr, | |
732 | &dev_attr_multicast_startup_query_interval.attr, | |
4df53d8b PM |
733 | #endif |
734 | #ifdef CONFIG_BRIDGE_NETFILTER | |
735 | &dev_attr_nf_call_iptables.attr, | |
736 | &dev_attr_nf_call_ip6tables.attr, | |
737 | &dev_attr_nf_call_arptables.attr, | |
0909e117 | 738 | #endif |
1da177e4 LT |
739 | NULL |
740 | }; | |
741 | ||
742 | static struct attribute_group bridge_group = { | |
743 | .name = SYSFS_BRIDGE_ATTR, | |
744 | .attrs = bridge_attrs, | |
745 | }; | |
746 | ||
747 | /* | |
748 | * Export the forwarding information table as a binary file | |
749 | * The records are struct __fdb_entry. | |
750 | * | |
751 | * Returns the number of bytes read. | |
752 | */ | |
2c3c8bea | 753 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
754 | struct bin_attribute *bin_attr, |
755 | char *buf, loff_t off, size_t count) | |
1da177e4 | 756 | { |
43cb76d9 GKH |
757 | struct device *dev = to_dev(kobj); |
758 | struct net_bridge *br = to_bridge(dev); | |
1da177e4 LT |
759 | int n; |
760 | ||
761 | /* must read whole records */ | |
762 | if (off % sizeof(struct __fdb_entry) != 0) | |
763 | return -EINVAL; | |
764 | ||
9d6f229f | 765 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
766 | count / sizeof(struct __fdb_entry), |
767 | off / sizeof(struct __fdb_entry)); | |
768 | ||
769 | if (n > 0) | |
770 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 771 | |
1da177e4 LT |
772 | return n; |
773 | } | |
774 | ||
775 | static struct bin_attribute bridge_forward = { | |
776 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
7b595756 | 777 | .mode = S_IRUGO, }, |
1da177e4 LT |
778 | .read = brforward_read, |
779 | }; | |
780 | ||
781 | /* | |
782 | * Add entries in sysfs onto the existing network class device | |
783 | * for the bridge. | |
784 | * Adds a attribute group "bridge" containing tuning parameters. | |
785 | * Binary attribute containing the forward table | |
786 | * Sub directory to hold links to interfaces. | |
787 | * | |
788 | * Note: the ifobj exists only to be a subdirectory | |
789 | * to hold links. The ifobj exists in same data structure | |
790 | * as it's parent the bridge so reference counting works. | |
791 | */ | |
792 | int br_sysfs_addbr(struct net_device *dev) | |
793 | { | |
43cb76d9 | 794 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
795 | struct net_bridge *br = netdev_priv(dev); |
796 | int err; | |
797 | ||
798 | err = sysfs_create_group(brobj, &bridge_group); | |
799 | if (err) { | |
800 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 801 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
802 | goto out1; |
803 | } | |
804 | ||
805 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
806 | if (err) { | |
1842c4be | 807 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 808 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
809 | goto out2; |
810 | } | |
811 | ||
43b98c4a GKH |
812 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
813 | if (!br->ifobj) { | |
1da177e4 | 814 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 815 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
1da177e4 LT |
816 | goto out3; |
817 | } | |
818 | return 0; | |
819 | out3: | |
43cb76d9 | 820 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 821 | out2: |
43cb76d9 | 822 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
823 | out1: |
824 | return err; | |
825 | ||
826 | } | |
827 | ||
828 | void br_sysfs_delbr(struct net_device *dev) | |
829 | { | |
43cb76d9 | 830 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
831 | struct net_bridge *br = netdev_priv(dev); |
832 | ||
78a2d906 | 833 | kobject_put(br->ifobj); |
1da177e4 LT |
834 | sysfs_remove_bin_file(kobj, &bridge_forward); |
835 | sysfs_remove_group(kobj, &bridge_group); | |
836 | } |