]>
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> | |
b3343a2a | 17 | #include <linux/etherdevice.h> |
1da177e4 LT |
18 | #include <linux/if_bridge.h> |
19 | #include <linux/rtnetlink.h> | |
20 | #include <linux/spinlock.h> | |
21 | #include <linux/times.h> | |
22 | ||
23 | #include "br_private.h" | |
24 | ||
43cb76d9 | 25 | #define to_dev(obj) container_of(obj, struct device, kobj) |
524ad0a7 | 26 | #define to_bridge(cd) ((struct net_bridge *)netdev_priv(to_net_dev(cd))) |
1da177e4 LT |
27 | |
28 | /* | |
29 | * Common code for storing bridge parameters. | |
30 | */ | |
43cb76d9 | 31 | static ssize_t store_bridge_parm(struct device *d, |
1da177e4 | 32 | const char *buf, size_t len, |
8d4698f7 | 33 | int (*set)(struct net_bridge *, unsigned long)) |
1da177e4 | 34 | { |
43cb76d9 | 35 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
36 | char *endp; |
37 | unsigned long val; | |
8d4698f7 | 38 | int err; |
1da177e4 LT |
39 | |
40 | if (!capable(CAP_NET_ADMIN)) | |
41 | return -EPERM; | |
42 | ||
43 | val = simple_strtoul(buf, &endp, 0); | |
44 | if (endp == buf) | |
45 | return -EINVAL; | |
46 | ||
8d4698f7 | 47 | err = (*set)(br, val); |
8d4698f7 | 48 | return err ? err : len; |
1da177e4 LT |
49 | } |
50 | ||
51 | ||
43cb76d9 GKH |
52 | static ssize_t show_forward_delay(struct device *d, |
53 | struct device_attribute *attr, char *buf) | |
1da177e4 | 54 | { |
43cb76d9 | 55 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
56 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->forward_delay)); |
57 | } | |
58 | ||
43cb76d9 GKH |
59 | static ssize_t store_forward_delay(struct device *d, |
60 | struct device_attribute *attr, | |
61 | const char *buf, size_t len) | |
1da177e4 | 62 | { |
14f98f25 | 63 | return store_bridge_parm(d, buf, len, br_set_forward_delay); |
1da177e4 | 64 | } |
43cb76d9 GKH |
65 | static DEVICE_ATTR(forward_delay, S_IRUGO | S_IWUSR, |
66 | show_forward_delay, store_forward_delay); | |
1da177e4 | 67 | |
43cb76d9 GKH |
68 | static ssize_t show_hello_time(struct device *d, struct device_attribute *attr, |
69 | char *buf) | |
1da177e4 LT |
70 | { |
71 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 72 | jiffies_to_clock_t(to_bridge(d)->hello_time)); |
1da177e4 LT |
73 | } |
74 | ||
43cb76d9 GKH |
75 | static ssize_t store_hello_time(struct device *d, |
76 | struct device_attribute *attr, const char *buf, | |
1da177e4 LT |
77 | size_t len) |
78 | { | |
14f98f25 | 79 | return store_bridge_parm(d, buf, len, br_set_hello_time); |
1da177e4 | 80 | } |
43cb76d9 GKH |
81 | static DEVICE_ATTR(hello_time, S_IRUGO | S_IWUSR, show_hello_time, |
82 | store_hello_time); | |
1da177e4 | 83 | |
43cb76d9 GKH |
84 | static ssize_t show_max_age(struct device *d, struct device_attribute *attr, |
85 | char *buf) | |
1da177e4 LT |
86 | { |
87 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 88 | jiffies_to_clock_t(to_bridge(d)->max_age)); |
1da177e4 LT |
89 | } |
90 | ||
43cb76d9 GKH |
91 | static ssize_t store_max_age(struct device *d, struct device_attribute *attr, |
92 | const char *buf, size_t len) | |
1da177e4 | 93 | { |
14f98f25 | 94 | return store_bridge_parm(d, buf, len, br_set_max_age); |
1da177e4 | 95 | } |
43cb76d9 | 96 | static DEVICE_ATTR(max_age, S_IRUGO | S_IWUSR, show_max_age, store_max_age); |
1da177e4 | 97 | |
43cb76d9 GKH |
98 | static ssize_t show_ageing_time(struct device *d, |
99 | struct device_attribute *attr, char *buf) | |
1da177e4 | 100 | { |
43cb76d9 | 101 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
102 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->ageing_time)); |
103 | } | |
104 | ||
8d4698f7 | 105 | static int set_ageing_time(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
106 | { |
107 | br->ageing_time = clock_t_to_jiffies(val); | |
8d4698f7 | 108 | return 0; |
1da177e4 LT |
109 | } |
110 | ||
43cb76d9 GKH |
111 | static ssize_t store_ageing_time(struct device *d, |
112 | struct device_attribute *attr, | |
113 | const char *buf, size_t len) | |
1da177e4 | 114 | { |
43cb76d9 | 115 | return store_bridge_parm(d, buf, len, set_ageing_time); |
1da177e4 | 116 | } |
43cb76d9 GKH |
117 | static DEVICE_ATTR(ageing_time, S_IRUGO | S_IWUSR, show_ageing_time, |
118 | store_ageing_time); | |
1da177e4 | 119 | |
43cb76d9 GKH |
120 | static ssize_t show_stp_state(struct device *d, |
121 | struct device_attribute *attr, char *buf) | |
1da177e4 | 122 | { |
43cb76d9 | 123 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
124 | return sprintf(buf, "%d\n", br->stp_enabled); |
125 | } | |
126 | ||
1da177e4 | 127 | |
43cb76d9 GKH |
128 | static ssize_t store_stp_state(struct device *d, |
129 | struct device_attribute *attr, const char *buf, | |
130 | size_t len) | |
1da177e4 | 131 | { |
17120889 SH |
132 | struct net_bridge *br = to_bridge(d); |
133 | char *endp; | |
134 | unsigned long val; | |
135 | ||
136 | if (!capable(CAP_NET_ADMIN)) | |
137 | return -EPERM; | |
138 | ||
139 | val = simple_strtoul(buf, &endp, 0); | |
140 | if (endp == buf) | |
141 | return -EINVAL; | |
142 | ||
af38f298 EB |
143 | if (!rtnl_trylock()) |
144 | return restart_syscall(); | |
17120889 SH |
145 | br_stp_set_enabled(br, val); |
146 | rtnl_unlock(); | |
147 | ||
35b426c3 | 148 | return len; |
1da177e4 | 149 | } |
43cb76d9 GKH |
150 | static DEVICE_ATTR(stp_state, S_IRUGO | S_IWUSR, show_stp_state, |
151 | store_stp_state); | |
1da177e4 | 152 | |
515853cc | 153 | static ssize_t show_group_fwd_mask(struct device *d, |
154 | struct device_attribute *attr, char *buf) | |
155 | { | |
156 | struct net_bridge *br = to_bridge(d); | |
157 | return sprintf(buf, "%#x\n", br->group_fwd_mask); | |
158 | } | |
159 | ||
160 | ||
161 | static ssize_t store_group_fwd_mask(struct device *d, | |
162 | struct device_attribute *attr, const char *buf, | |
163 | size_t len) | |
164 | { | |
165 | struct net_bridge *br = to_bridge(d); | |
166 | char *endp; | |
167 | unsigned long val; | |
168 | ||
169 | if (!capable(CAP_NET_ADMIN)) | |
170 | return -EPERM; | |
171 | ||
172 | val = simple_strtoul(buf, &endp, 0); | |
173 | if (endp == buf) | |
174 | return -EINVAL; | |
175 | ||
176 | if (val & BR_GROUPFWD_RESTRICTED) | |
177 | return -EINVAL; | |
178 | ||
179 | br->group_fwd_mask = val; | |
180 | ||
181 | return len; | |
182 | } | |
183 | static DEVICE_ATTR(group_fwd_mask, S_IRUGO | S_IWUSR, show_group_fwd_mask, | |
184 | store_group_fwd_mask); | |
185 | ||
43cb76d9 GKH |
186 | static ssize_t show_priority(struct device *d, struct device_attribute *attr, |
187 | char *buf) | |
1da177e4 | 188 | { |
43cb76d9 | 189 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
190 | return sprintf(buf, "%d\n", |
191 | (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]); | |
192 | } | |
193 | ||
8d4698f7 | 194 | static int set_priority(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
195 | { |
196 | br_stp_set_bridge_priority(br, (u16) val); | |
8d4698f7 | 197 | return 0; |
1da177e4 LT |
198 | } |
199 | ||
43cb76d9 | 200 | static ssize_t store_priority(struct device *d, struct device_attribute *attr, |
1da177e4 LT |
201 | const char *buf, size_t len) |
202 | { | |
43cb76d9 | 203 | return store_bridge_parm(d, buf, len, set_priority); |
1da177e4 | 204 | } |
43cb76d9 | 205 | static DEVICE_ATTR(priority, S_IRUGO | S_IWUSR, show_priority, store_priority); |
1da177e4 | 206 | |
43cb76d9 GKH |
207 | static ssize_t show_root_id(struct device *d, struct device_attribute *attr, |
208 | char *buf) | |
1da177e4 | 209 | { |
43cb76d9 | 210 | return br_show_bridge_id(buf, &to_bridge(d)->designated_root); |
1da177e4 | 211 | } |
43cb76d9 | 212 | static DEVICE_ATTR(root_id, S_IRUGO, show_root_id, NULL); |
1da177e4 | 213 | |
43cb76d9 GKH |
214 | static ssize_t show_bridge_id(struct device *d, struct device_attribute *attr, |
215 | char *buf) | |
1da177e4 | 216 | { |
43cb76d9 | 217 | return br_show_bridge_id(buf, &to_bridge(d)->bridge_id); |
1da177e4 | 218 | } |
43cb76d9 | 219 | static DEVICE_ATTR(bridge_id, S_IRUGO, show_bridge_id, NULL); |
1da177e4 | 220 | |
43cb76d9 GKH |
221 | static ssize_t show_root_port(struct device *d, struct device_attribute *attr, |
222 | char *buf) | |
1da177e4 | 223 | { |
43cb76d9 | 224 | return sprintf(buf, "%d\n", to_bridge(d)->root_port); |
1da177e4 | 225 | } |
43cb76d9 | 226 | static DEVICE_ATTR(root_port, S_IRUGO, show_root_port, NULL); |
1da177e4 | 227 | |
43cb76d9 GKH |
228 | static ssize_t show_root_path_cost(struct device *d, |
229 | struct device_attribute *attr, char *buf) | |
1da177e4 | 230 | { |
43cb76d9 | 231 | return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost); |
1da177e4 | 232 | } |
43cb76d9 | 233 | static DEVICE_ATTR(root_path_cost, S_IRUGO, show_root_path_cost, NULL); |
1da177e4 | 234 | |
43cb76d9 GKH |
235 | static ssize_t show_topology_change(struct device *d, |
236 | struct device_attribute *attr, char *buf) | |
1da177e4 | 237 | { |
43cb76d9 | 238 | return sprintf(buf, "%d\n", to_bridge(d)->topology_change); |
1da177e4 | 239 | } |
43cb76d9 | 240 | static DEVICE_ATTR(topology_change, S_IRUGO, show_topology_change, NULL); |
1da177e4 | 241 | |
43cb76d9 GKH |
242 | static ssize_t show_topology_change_detected(struct device *d, |
243 | struct device_attribute *attr, | |
244 | char *buf) | |
1da177e4 | 245 | { |
43cb76d9 | 246 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
247 | return sprintf(buf, "%d\n", br->topology_change_detected); |
248 | } | |
43cb76d9 GKH |
249 | static DEVICE_ATTR(topology_change_detected, S_IRUGO, |
250 | show_topology_change_detected, NULL); | |
1da177e4 | 251 | |
43cb76d9 GKH |
252 | static ssize_t show_hello_timer(struct device *d, |
253 | struct device_attribute *attr, char *buf) | |
1da177e4 | 254 | { |
43cb76d9 | 255 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
256 | return sprintf(buf, "%ld\n", br_timer_value(&br->hello_timer)); |
257 | } | |
43cb76d9 | 258 | static DEVICE_ATTR(hello_timer, S_IRUGO, show_hello_timer, NULL); |
1da177e4 | 259 | |
43cb76d9 GKH |
260 | static ssize_t show_tcn_timer(struct device *d, struct device_attribute *attr, |
261 | char *buf) | |
1da177e4 | 262 | { |
43cb76d9 | 263 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
264 | return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer)); |
265 | } | |
43cb76d9 | 266 | static DEVICE_ATTR(tcn_timer, S_IRUGO, show_tcn_timer, NULL); |
1da177e4 | 267 | |
43cb76d9 GKH |
268 | static ssize_t show_topology_change_timer(struct device *d, |
269 | struct device_attribute *attr, | |
270 | char *buf) | |
1da177e4 | 271 | { |
43cb76d9 | 272 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
273 | return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer)); |
274 | } | |
43cb76d9 GKH |
275 | static DEVICE_ATTR(topology_change_timer, S_IRUGO, show_topology_change_timer, |
276 | NULL); | |
1da177e4 | 277 | |
43cb76d9 GKH |
278 | static ssize_t show_gc_timer(struct device *d, struct device_attribute *attr, |
279 | char *buf) | |
1da177e4 | 280 | { |
43cb76d9 | 281 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
282 | return sprintf(buf, "%ld\n", br_timer_value(&br->gc_timer)); |
283 | } | |
43cb76d9 | 284 | static DEVICE_ATTR(gc_timer, S_IRUGO, show_gc_timer, NULL); |
1da177e4 | 285 | |
43cb76d9 GKH |
286 | static ssize_t show_group_addr(struct device *d, |
287 | struct device_attribute *attr, char *buf) | |
fda93d92 | 288 | { |
43cb76d9 | 289 | struct net_bridge *br = to_bridge(d); |
fda93d92 SH |
290 | return sprintf(buf, "%x:%x:%x:%x:%x:%x\n", |
291 | br->group_addr[0], br->group_addr[1], | |
292 | br->group_addr[2], br->group_addr[3], | |
293 | br->group_addr[4], br->group_addr[5]); | |
294 | } | |
295 | ||
43cb76d9 GKH |
296 | static ssize_t store_group_addr(struct device *d, |
297 | struct device_attribute *attr, | |
298 | const char *buf, size_t len) | |
fda93d92 | 299 | { |
43cb76d9 | 300 | struct net_bridge *br = to_bridge(d); |
4197f24b | 301 | u8 new_addr[6]; |
fda93d92 SH |
302 | int i; |
303 | ||
304 | if (!capable(CAP_NET_ADMIN)) | |
305 | return -EPERM; | |
306 | ||
4197f24b | 307 | if (sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", |
fda93d92 SH |
308 | &new_addr[0], &new_addr[1], &new_addr[2], |
309 | &new_addr[3], &new_addr[4], &new_addr[5]) != 6) | |
310 | return -EINVAL; | |
311 | ||
46acc460 | 312 | if (!is_link_local_ether_addr(new_addr)) |
fda93d92 SH |
313 | return -EINVAL; |
314 | ||
f64f9e71 JP |
315 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
316 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
317 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
318 | return -EINVAL; |
319 | ||
320 | spin_lock_bh(&br->lock); | |
321 | for (i = 0; i < 6; i++) | |
322 | br->group_addr[i] = new_addr[i]; | |
323 | spin_unlock_bh(&br->lock); | |
324 | return len; | |
325 | } | |
326 | ||
43cb76d9 GKH |
327 | static DEVICE_ATTR(group_addr, S_IRUGO | S_IWUSR, |
328 | show_group_addr, store_group_addr); | |
fda93d92 | 329 | |
9cf63747 SH |
330 | static ssize_t store_flush(struct device *d, |
331 | struct device_attribute *attr, | |
332 | const char *buf, size_t len) | |
333 | { | |
334 | struct net_bridge *br = to_bridge(d); | |
335 | ||
336 | if (!capable(CAP_NET_ADMIN)) | |
337 | return -EPERM; | |
338 | ||
339 | br_fdb_flush(br); | |
340 | return len; | |
341 | } | |
342 | static DEVICE_ATTR(flush, S_IWUSR, NULL, store_flush); | |
fda93d92 | 343 | |
0909e117 HX |
344 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
345 | static ssize_t show_multicast_router(struct device *d, | |
346 | struct device_attribute *attr, char *buf) | |
347 | { | |
348 | struct net_bridge *br = to_bridge(d); | |
349 | return sprintf(buf, "%d\n", br->multicast_router); | |
350 | } | |
351 | ||
352 | static ssize_t store_multicast_router(struct device *d, | |
353 | struct device_attribute *attr, | |
354 | const char *buf, size_t len) | |
355 | { | |
356 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
357 | } | |
358 | static DEVICE_ATTR(multicast_router, S_IRUGO | S_IWUSR, show_multicast_router, | |
359 | store_multicast_router); | |
561f1103 HX |
360 | |
361 | static ssize_t show_multicast_snooping(struct device *d, | |
362 | struct device_attribute *attr, | |
363 | char *buf) | |
364 | { | |
365 | struct net_bridge *br = to_bridge(d); | |
366 | return sprintf(buf, "%d\n", !br->multicast_disabled); | |
367 | } | |
368 | ||
369 | static ssize_t store_multicast_snooping(struct device *d, | |
370 | struct device_attribute *attr, | |
371 | const char *buf, size_t len) | |
372 | { | |
373 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
374 | } | |
375 | static DEVICE_ATTR(multicast_snooping, S_IRUGO | S_IWUSR, | |
376 | show_multicast_snooping, store_multicast_snooping); | |
b195167f | 377 | |
c5c23260 HX |
378 | static ssize_t show_multicast_querier(struct device *d, |
379 | struct device_attribute *attr, | |
380 | char *buf) | |
381 | { | |
382 | struct net_bridge *br = to_bridge(d); | |
383 | return sprintf(buf, "%d\n", br->multicast_querier); | |
384 | } | |
385 | ||
386 | static ssize_t store_multicast_querier(struct device *d, | |
387 | struct device_attribute *attr, | |
388 | const char *buf, size_t len) | |
389 | { | |
390 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
391 | } | |
392 | static DEVICE_ATTR(multicast_querier, S_IRUGO | S_IWUSR, | |
393 | show_multicast_querier, store_multicast_querier); | |
394 | ||
b195167f HX |
395 | static ssize_t show_hash_elasticity(struct device *d, |
396 | struct device_attribute *attr, char *buf) | |
397 | { | |
398 | struct net_bridge *br = to_bridge(d); | |
399 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
400 | } | |
401 | ||
402 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
403 | { | |
404 | br->hash_elasticity = val; | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static ssize_t store_hash_elasticity(struct device *d, | |
409 | struct device_attribute *attr, | |
410 | const char *buf, size_t len) | |
411 | { | |
412 | return store_bridge_parm(d, buf, len, set_elasticity); | |
413 | } | |
414 | static DEVICE_ATTR(hash_elasticity, S_IRUGO | S_IWUSR, show_hash_elasticity, | |
415 | store_hash_elasticity); | |
416 | ||
417 | static ssize_t show_hash_max(struct device *d, struct device_attribute *attr, | |
418 | char *buf) | |
419 | { | |
420 | struct net_bridge *br = to_bridge(d); | |
421 | return sprintf(buf, "%u\n", br->hash_max); | |
422 | } | |
423 | ||
424 | static ssize_t store_hash_max(struct device *d, struct device_attribute *attr, | |
425 | const char *buf, size_t len) | |
426 | { | |
427 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
428 | } | |
429 | static DEVICE_ATTR(hash_max, S_IRUGO | S_IWUSR, show_hash_max, | |
430 | store_hash_max); | |
d902eee4 HX |
431 | |
432 | static ssize_t show_multicast_last_member_count(struct device *d, | |
433 | struct device_attribute *attr, | |
434 | char *buf) | |
435 | { | |
436 | struct net_bridge *br = to_bridge(d); | |
437 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
438 | } | |
439 | ||
440 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
441 | { | |
442 | br->multicast_last_member_count = val; | |
443 | return 0; | |
444 | } | |
445 | ||
446 | static ssize_t store_multicast_last_member_count(struct device *d, | |
447 | struct device_attribute *attr, | |
448 | const char *buf, size_t len) | |
449 | { | |
450 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
451 | } | |
452 | static DEVICE_ATTR(multicast_last_member_count, S_IRUGO | S_IWUSR, | |
453 | show_multicast_last_member_count, | |
454 | store_multicast_last_member_count); | |
455 | ||
456 | static ssize_t show_multicast_startup_query_count( | |
457 | struct device *d, struct device_attribute *attr, char *buf) | |
458 | { | |
459 | struct net_bridge *br = to_bridge(d); | |
460 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
461 | } | |
462 | ||
463 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
464 | { | |
465 | br->multicast_startup_query_count = val; | |
466 | return 0; | |
467 | } | |
468 | ||
469 | static ssize_t store_multicast_startup_query_count( | |
470 | struct device *d, struct device_attribute *attr, const char *buf, | |
471 | size_t len) | |
472 | { | |
473 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
474 | } | |
475 | static DEVICE_ATTR(multicast_startup_query_count, S_IRUGO | S_IWUSR, | |
476 | show_multicast_startup_query_count, | |
477 | store_multicast_startup_query_count); | |
478 | ||
479 | static ssize_t show_multicast_last_member_interval( | |
480 | struct device *d, struct device_attribute *attr, char *buf) | |
481 | { | |
482 | struct net_bridge *br = to_bridge(d); | |
483 | return sprintf(buf, "%lu\n", | |
484 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
485 | } | |
486 | ||
487 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
488 | { | |
489 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
490 | return 0; | |
491 | } | |
492 | ||
493 | static ssize_t store_multicast_last_member_interval( | |
494 | struct device *d, struct device_attribute *attr, const char *buf, | |
495 | size_t len) | |
496 | { | |
497 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
498 | } | |
499 | static DEVICE_ATTR(multicast_last_member_interval, S_IRUGO | S_IWUSR, | |
500 | show_multicast_last_member_interval, | |
501 | store_multicast_last_member_interval); | |
502 | ||
503 | static ssize_t show_multicast_membership_interval( | |
504 | struct device *d, struct device_attribute *attr, char *buf) | |
505 | { | |
506 | struct net_bridge *br = to_bridge(d); | |
507 | return sprintf(buf, "%lu\n", | |
508 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
509 | } | |
510 | ||
511 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
512 | { | |
513 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
514 | return 0; | |
515 | } | |
516 | ||
517 | static ssize_t store_multicast_membership_interval( | |
518 | struct device *d, struct device_attribute *attr, const char *buf, | |
519 | size_t len) | |
520 | { | |
521 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
522 | } | |
523 | static DEVICE_ATTR(multicast_membership_interval, S_IRUGO | S_IWUSR, | |
524 | show_multicast_membership_interval, | |
525 | store_multicast_membership_interval); | |
526 | ||
527 | static ssize_t show_multicast_querier_interval(struct device *d, | |
528 | struct device_attribute *attr, | |
529 | char *buf) | |
530 | { | |
531 | struct net_bridge *br = to_bridge(d); | |
532 | return sprintf(buf, "%lu\n", | |
533 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
534 | } | |
535 | ||
536 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
537 | { | |
538 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
539 | return 0; | |
540 | } | |
541 | ||
542 | static ssize_t store_multicast_querier_interval(struct device *d, | |
543 | struct device_attribute *attr, | |
544 | const char *buf, size_t len) | |
545 | { | |
546 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
547 | } | |
548 | static DEVICE_ATTR(multicast_querier_interval, S_IRUGO | S_IWUSR, | |
549 | show_multicast_querier_interval, | |
550 | store_multicast_querier_interval); | |
551 | ||
552 | static ssize_t show_multicast_query_interval(struct device *d, | |
553 | struct device_attribute *attr, | |
554 | char *buf) | |
555 | { | |
556 | struct net_bridge *br = to_bridge(d); | |
557 | return sprintf(buf, "%lu\n", | |
558 | jiffies_to_clock_t(br->multicast_query_interval)); | |
559 | } | |
560 | ||
561 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
562 | { | |
563 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
564 | return 0; | |
565 | } | |
566 | ||
567 | static ssize_t store_multicast_query_interval(struct device *d, | |
568 | struct device_attribute *attr, | |
569 | const char *buf, size_t len) | |
570 | { | |
571 | return store_bridge_parm(d, buf, len, set_query_interval); | |
572 | } | |
573 | static DEVICE_ATTR(multicast_query_interval, S_IRUGO | S_IWUSR, | |
574 | show_multicast_query_interval, | |
575 | store_multicast_query_interval); | |
576 | ||
577 | static ssize_t show_multicast_query_response_interval( | |
578 | struct device *d, struct device_attribute *attr, char *buf) | |
579 | { | |
580 | struct net_bridge *br = to_bridge(d); | |
581 | return sprintf( | |
582 | buf, "%lu\n", | |
583 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
584 | } | |
585 | ||
586 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
587 | { | |
588 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
589 | return 0; | |
590 | } | |
591 | ||
592 | static ssize_t store_multicast_query_response_interval( | |
593 | struct device *d, struct device_attribute *attr, const char *buf, | |
594 | size_t len) | |
595 | { | |
596 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
597 | } | |
598 | static DEVICE_ATTR(multicast_query_response_interval, S_IRUGO | S_IWUSR, | |
599 | show_multicast_query_response_interval, | |
600 | store_multicast_query_response_interval); | |
601 | ||
602 | static ssize_t show_multicast_startup_query_interval( | |
603 | struct device *d, struct device_attribute *attr, char *buf) | |
604 | { | |
605 | struct net_bridge *br = to_bridge(d); | |
606 | return sprintf( | |
607 | buf, "%lu\n", | |
608 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
609 | } | |
610 | ||
611 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
612 | { | |
613 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
614 | return 0; | |
615 | } | |
616 | ||
617 | static ssize_t store_multicast_startup_query_interval( | |
618 | struct device *d, struct device_attribute *attr, const char *buf, | |
619 | size_t len) | |
620 | { | |
621 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
622 | } | |
623 | static DEVICE_ATTR(multicast_startup_query_interval, S_IRUGO | S_IWUSR, | |
624 | show_multicast_startup_query_interval, | |
625 | store_multicast_startup_query_interval); | |
0909e117 | 626 | #endif |
4df53d8b PM |
627 | #ifdef CONFIG_BRIDGE_NETFILTER |
628 | static ssize_t show_nf_call_iptables( | |
629 | struct device *d, struct device_attribute *attr, char *buf) | |
630 | { | |
631 | struct net_bridge *br = to_bridge(d); | |
632 | return sprintf(buf, "%u\n", br->nf_call_iptables); | |
633 | } | |
634 | ||
635 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
636 | { | |
637 | br->nf_call_iptables = val ? true : false; | |
638 | return 0; | |
639 | } | |
640 | ||
641 | static ssize_t store_nf_call_iptables( | |
642 | struct device *d, struct device_attribute *attr, const char *buf, | |
643 | size_t len) | |
644 | { | |
645 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
646 | } | |
647 | static DEVICE_ATTR(nf_call_iptables, S_IRUGO | S_IWUSR, | |
648 | show_nf_call_iptables, store_nf_call_iptables); | |
649 | ||
650 | static ssize_t show_nf_call_ip6tables( | |
651 | struct device *d, struct device_attribute *attr, char *buf) | |
652 | { | |
653 | struct net_bridge *br = to_bridge(d); | |
654 | return sprintf(buf, "%u\n", br->nf_call_ip6tables); | |
655 | } | |
656 | ||
657 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
658 | { | |
659 | br->nf_call_ip6tables = val ? true : false; | |
660 | return 0; | |
661 | } | |
662 | ||
663 | static ssize_t store_nf_call_ip6tables( | |
664 | struct device *d, struct device_attribute *attr, const char *buf, | |
665 | size_t len) | |
666 | { | |
667 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
668 | } | |
669 | static DEVICE_ATTR(nf_call_ip6tables, S_IRUGO | S_IWUSR, | |
670 | show_nf_call_ip6tables, store_nf_call_ip6tables); | |
671 | ||
672 | static ssize_t show_nf_call_arptables( | |
673 | struct device *d, struct device_attribute *attr, char *buf) | |
674 | { | |
675 | struct net_bridge *br = to_bridge(d); | |
676 | return sprintf(buf, "%u\n", br->nf_call_arptables); | |
677 | } | |
678 | ||
679 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
680 | { | |
681 | br->nf_call_arptables = val ? true : false; | |
682 | return 0; | |
683 | } | |
684 | ||
685 | static ssize_t store_nf_call_arptables( | |
686 | struct device *d, struct device_attribute *attr, const char *buf, | |
687 | size_t len) | |
688 | { | |
689 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
690 | } | |
691 | static DEVICE_ATTR(nf_call_arptables, S_IRUGO | S_IWUSR, | |
692 | show_nf_call_arptables, store_nf_call_arptables); | |
693 | #endif | |
0909e117 | 694 | |
1da177e4 | 695 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
696 | &dev_attr_forward_delay.attr, |
697 | &dev_attr_hello_time.attr, | |
698 | &dev_attr_max_age.attr, | |
699 | &dev_attr_ageing_time.attr, | |
700 | &dev_attr_stp_state.attr, | |
515853cc | 701 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
702 | &dev_attr_priority.attr, |
703 | &dev_attr_bridge_id.attr, | |
704 | &dev_attr_root_id.attr, | |
705 | &dev_attr_root_path_cost.attr, | |
706 | &dev_attr_root_port.attr, | |
707 | &dev_attr_topology_change.attr, | |
708 | &dev_attr_topology_change_detected.attr, | |
709 | &dev_attr_hello_timer.attr, | |
710 | &dev_attr_tcn_timer.attr, | |
711 | &dev_attr_topology_change_timer.attr, | |
712 | &dev_attr_gc_timer.attr, | |
713 | &dev_attr_group_addr.attr, | |
9cf63747 | 714 | &dev_attr_flush.attr, |
0909e117 HX |
715 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
716 | &dev_attr_multicast_router.attr, | |
561f1103 | 717 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 718 | &dev_attr_multicast_querier.attr, |
b195167f HX |
719 | &dev_attr_hash_elasticity.attr, |
720 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
721 | &dev_attr_multicast_last_member_count.attr, |
722 | &dev_attr_multicast_startup_query_count.attr, | |
723 | &dev_attr_multicast_last_member_interval.attr, | |
724 | &dev_attr_multicast_membership_interval.attr, | |
725 | &dev_attr_multicast_querier_interval.attr, | |
726 | &dev_attr_multicast_query_interval.attr, | |
727 | &dev_attr_multicast_query_response_interval.attr, | |
728 | &dev_attr_multicast_startup_query_interval.attr, | |
4df53d8b PM |
729 | #endif |
730 | #ifdef CONFIG_BRIDGE_NETFILTER | |
731 | &dev_attr_nf_call_iptables.attr, | |
732 | &dev_attr_nf_call_ip6tables.attr, | |
733 | &dev_attr_nf_call_arptables.attr, | |
0909e117 | 734 | #endif |
1da177e4 LT |
735 | NULL |
736 | }; | |
737 | ||
738 | static struct attribute_group bridge_group = { | |
739 | .name = SYSFS_BRIDGE_ATTR, | |
740 | .attrs = bridge_attrs, | |
741 | }; | |
742 | ||
743 | /* | |
744 | * Export the forwarding information table as a binary file | |
745 | * The records are struct __fdb_entry. | |
746 | * | |
747 | * Returns the number of bytes read. | |
748 | */ | |
2c3c8bea | 749 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
750 | struct bin_attribute *bin_attr, |
751 | char *buf, loff_t off, size_t count) | |
1da177e4 | 752 | { |
43cb76d9 GKH |
753 | struct device *dev = to_dev(kobj); |
754 | struct net_bridge *br = to_bridge(dev); | |
1da177e4 LT |
755 | int n; |
756 | ||
757 | /* must read whole records */ | |
758 | if (off % sizeof(struct __fdb_entry) != 0) | |
759 | return -EINVAL; | |
760 | ||
9d6f229f | 761 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
762 | count / sizeof(struct __fdb_entry), |
763 | off / sizeof(struct __fdb_entry)); | |
764 | ||
765 | if (n > 0) | |
766 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 767 | |
1da177e4 LT |
768 | return n; |
769 | } | |
770 | ||
771 | static struct bin_attribute bridge_forward = { | |
772 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
7b595756 | 773 | .mode = S_IRUGO, }, |
1da177e4 LT |
774 | .read = brforward_read, |
775 | }; | |
776 | ||
777 | /* | |
778 | * Add entries in sysfs onto the existing network class device | |
779 | * for the bridge. | |
780 | * Adds a attribute group "bridge" containing tuning parameters. | |
781 | * Binary attribute containing the forward table | |
782 | * Sub directory to hold links to interfaces. | |
783 | * | |
784 | * Note: the ifobj exists only to be a subdirectory | |
785 | * to hold links. The ifobj exists in same data structure | |
786 | * as it's parent the bridge so reference counting works. | |
787 | */ | |
788 | int br_sysfs_addbr(struct net_device *dev) | |
789 | { | |
43cb76d9 | 790 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
791 | struct net_bridge *br = netdev_priv(dev); |
792 | int err; | |
793 | ||
794 | err = sysfs_create_group(brobj, &bridge_group); | |
795 | if (err) { | |
796 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 797 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
798 | goto out1; |
799 | } | |
800 | ||
801 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
802 | if (err) { | |
1842c4be | 803 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 804 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
805 | goto out2; |
806 | } | |
807 | ||
43b98c4a GKH |
808 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
809 | if (!br->ifobj) { | |
1da177e4 | 810 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 811 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
1da177e4 LT |
812 | goto out3; |
813 | } | |
814 | return 0; | |
815 | out3: | |
43cb76d9 | 816 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 817 | out2: |
43cb76d9 | 818 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
819 | out1: |
820 | return err; | |
821 | ||
822 | } | |
823 | ||
824 | void br_sysfs_delbr(struct net_device *dev) | |
825 | { | |
43cb76d9 | 826 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
827 | struct net_bridge *br = netdev_priv(dev); |
828 | ||
78a2d906 | 829 | kobject_put(br->ifobj); |
1da177e4 LT |
830 | sysfs_remove_bin_file(kobj, &bridge_forward); |
831 | sysfs_remove_group(kobj, &bridge_group); | |
832 | } |