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Commit | Line | Data |
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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); |
95c96174 | 301 | unsigned int new_addr[6]; |
fda93d92 SH |
302 | int i; |
303 | ||
304 | if (!capable(CAP_NET_ADMIN)) | |
305 | return -EPERM; | |
306 | ||
307 | if (sscanf(buf, "%x:%x:%x:%x:%x:%x", | |
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 | ||
312 | /* Must be 01:80:c2:00:00:0X */ | |
313 | for (i = 0; i < 5; i++) | |
b3343a2a | 314 | if (new_addr[i] != br_reserved_address[i]) |
fda93d92 SH |
315 | return -EINVAL; |
316 | ||
317 | if (new_addr[5] & ~0xf) | |
318 | return -EINVAL; | |
319 | ||
f64f9e71 JP |
320 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
321 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
322 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
323 | return -EINVAL; |
324 | ||
325 | spin_lock_bh(&br->lock); | |
326 | for (i = 0; i < 6; i++) | |
327 | br->group_addr[i] = new_addr[i]; | |
328 | spin_unlock_bh(&br->lock); | |
329 | return len; | |
330 | } | |
331 | ||
43cb76d9 GKH |
332 | static DEVICE_ATTR(group_addr, S_IRUGO | S_IWUSR, |
333 | show_group_addr, store_group_addr); | |
fda93d92 | 334 | |
9cf63747 SH |
335 | static ssize_t store_flush(struct device *d, |
336 | struct device_attribute *attr, | |
337 | const char *buf, size_t len) | |
338 | { | |
339 | struct net_bridge *br = to_bridge(d); | |
340 | ||
341 | if (!capable(CAP_NET_ADMIN)) | |
342 | return -EPERM; | |
343 | ||
344 | br_fdb_flush(br); | |
345 | return len; | |
346 | } | |
347 | static DEVICE_ATTR(flush, S_IWUSR, NULL, store_flush); | |
fda93d92 | 348 | |
0909e117 HX |
349 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
350 | static ssize_t show_multicast_router(struct device *d, | |
351 | struct device_attribute *attr, char *buf) | |
352 | { | |
353 | struct net_bridge *br = to_bridge(d); | |
354 | return sprintf(buf, "%d\n", br->multicast_router); | |
355 | } | |
356 | ||
357 | static ssize_t store_multicast_router(struct device *d, | |
358 | struct device_attribute *attr, | |
359 | const char *buf, size_t len) | |
360 | { | |
361 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
362 | } | |
363 | static DEVICE_ATTR(multicast_router, S_IRUGO | S_IWUSR, show_multicast_router, | |
364 | store_multicast_router); | |
561f1103 HX |
365 | |
366 | static ssize_t show_multicast_snooping(struct device *d, | |
367 | struct device_attribute *attr, | |
368 | char *buf) | |
369 | { | |
370 | struct net_bridge *br = to_bridge(d); | |
371 | return sprintf(buf, "%d\n", !br->multicast_disabled); | |
372 | } | |
373 | ||
374 | static ssize_t store_multicast_snooping(struct device *d, | |
375 | struct device_attribute *attr, | |
376 | const char *buf, size_t len) | |
377 | { | |
378 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
379 | } | |
380 | static DEVICE_ATTR(multicast_snooping, S_IRUGO | S_IWUSR, | |
381 | show_multicast_snooping, store_multicast_snooping); | |
b195167f | 382 | |
c5c23260 HX |
383 | static ssize_t show_multicast_querier(struct device *d, |
384 | struct device_attribute *attr, | |
385 | char *buf) | |
386 | { | |
387 | struct net_bridge *br = to_bridge(d); | |
388 | return sprintf(buf, "%d\n", br->multicast_querier); | |
389 | } | |
390 | ||
391 | static ssize_t store_multicast_querier(struct device *d, | |
392 | struct device_attribute *attr, | |
393 | const char *buf, size_t len) | |
394 | { | |
395 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
396 | } | |
397 | static DEVICE_ATTR(multicast_querier, S_IRUGO | S_IWUSR, | |
398 | show_multicast_querier, store_multicast_querier); | |
399 | ||
b195167f HX |
400 | static ssize_t show_hash_elasticity(struct device *d, |
401 | struct device_attribute *attr, char *buf) | |
402 | { | |
403 | struct net_bridge *br = to_bridge(d); | |
404 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
405 | } | |
406 | ||
407 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
408 | { | |
409 | br->hash_elasticity = val; | |
410 | return 0; | |
411 | } | |
412 | ||
413 | static ssize_t store_hash_elasticity(struct device *d, | |
414 | struct device_attribute *attr, | |
415 | const char *buf, size_t len) | |
416 | { | |
417 | return store_bridge_parm(d, buf, len, set_elasticity); | |
418 | } | |
419 | static DEVICE_ATTR(hash_elasticity, S_IRUGO | S_IWUSR, show_hash_elasticity, | |
420 | store_hash_elasticity); | |
421 | ||
422 | static ssize_t show_hash_max(struct device *d, struct device_attribute *attr, | |
423 | char *buf) | |
424 | { | |
425 | struct net_bridge *br = to_bridge(d); | |
426 | return sprintf(buf, "%u\n", br->hash_max); | |
427 | } | |
428 | ||
429 | static ssize_t store_hash_max(struct device *d, struct device_attribute *attr, | |
430 | const char *buf, size_t len) | |
431 | { | |
432 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
433 | } | |
434 | static DEVICE_ATTR(hash_max, S_IRUGO | S_IWUSR, show_hash_max, | |
435 | store_hash_max); | |
d902eee4 HX |
436 | |
437 | static ssize_t show_multicast_last_member_count(struct device *d, | |
438 | struct device_attribute *attr, | |
439 | char *buf) | |
440 | { | |
441 | struct net_bridge *br = to_bridge(d); | |
442 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
443 | } | |
444 | ||
445 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
446 | { | |
447 | br->multicast_last_member_count = val; | |
448 | return 0; | |
449 | } | |
450 | ||
451 | static ssize_t store_multicast_last_member_count(struct device *d, | |
452 | struct device_attribute *attr, | |
453 | const char *buf, size_t len) | |
454 | { | |
455 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
456 | } | |
457 | static DEVICE_ATTR(multicast_last_member_count, S_IRUGO | S_IWUSR, | |
458 | show_multicast_last_member_count, | |
459 | store_multicast_last_member_count); | |
460 | ||
461 | static ssize_t show_multicast_startup_query_count( | |
462 | struct device *d, struct device_attribute *attr, char *buf) | |
463 | { | |
464 | struct net_bridge *br = to_bridge(d); | |
465 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
466 | } | |
467 | ||
468 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
469 | { | |
470 | br->multicast_startup_query_count = val; | |
471 | return 0; | |
472 | } | |
473 | ||
474 | static ssize_t store_multicast_startup_query_count( | |
475 | struct device *d, struct device_attribute *attr, const char *buf, | |
476 | size_t len) | |
477 | { | |
478 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
479 | } | |
480 | static DEVICE_ATTR(multicast_startup_query_count, S_IRUGO | S_IWUSR, | |
481 | show_multicast_startup_query_count, | |
482 | store_multicast_startup_query_count); | |
483 | ||
484 | static ssize_t show_multicast_last_member_interval( | |
485 | struct device *d, struct device_attribute *attr, char *buf) | |
486 | { | |
487 | struct net_bridge *br = to_bridge(d); | |
488 | return sprintf(buf, "%lu\n", | |
489 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
490 | } | |
491 | ||
492 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
493 | { | |
494 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
495 | return 0; | |
496 | } | |
497 | ||
498 | static ssize_t store_multicast_last_member_interval( | |
499 | struct device *d, struct device_attribute *attr, const char *buf, | |
500 | size_t len) | |
501 | { | |
502 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
503 | } | |
504 | static DEVICE_ATTR(multicast_last_member_interval, S_IRUGO | S_IWUSR, | |
505 | show_multicast_last_member_interval, | |
506 | store_multicast_last_member_interval); | |
507 | ||
508 | static ssize_t show_multicast_membership_interval( | |
509 | struct device *d, struct device_attribute *attr, char *buf) | |
510 | { | |
511 | struct net_bridge *br = to_bridge(d); | |
512 | return sprintf(buf, "%lu\n", | |
513 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
514 | } | |
515 | ||
516 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
517 | { | |
518 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
519 | return 0; | |
520 | } | |
521 | ||
522 | static ssize_t store_multicast_membership_interval( | |
523 | struct device *d, struct device_attribute *attr, const char *buf, | |
524 | size_t len) | |
525 | { | |
526 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
527 | } | |
528 | static DEVICE_ATTR(multicast_membership_interval, S_IRUGO | S_IWUSR, | |
529 | show_multicast_membership_interval, | |
530 | store_multicast_membership_interval); | |
531 | ||
532 | static ssize_t show_multicast_querier_interval(struct device *d, | |
533 | struct device_attribute *attr, | |
534 | char *buf) | |
535 | { | |
536 | struct net_bridge *br = to_bridge(d); | |
537 | return sprintf(buf, "%lu\n", | |
538 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
539 | } | |
540 | ||
541 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
542 | { | |
543 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
544 | return 0; | |
545 | } | |
546 | ||
547 | static ssize_t store_multicast_querier_interval(struct device *d, | |
548 | struct device_attribute *attr, | |
549 | const char *buf, size_t len) | |
550 | { | |
551 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
552 | } | |
553 | static DEVICE_ATTR(multicast_querier_interval, S_IRUGO | S_IWUSR, | |
554 | show_multicast_querier_interval, | |
555 | store_multicast_querier_interval); | |
556 | ||
557 | static ssize_t show_multicast_query_interval(struct device *d, | |
558 | struct device_attribute *attr, | |
559 | char *buf) | |
560 | { | |
561 | struct net_bridge *br = to_bridge(d); | |
562 | return sprintf(buf, "%lu\n", | |
563 | jiffies_to_clock_t(br->multicast_query_interval)); | |
564 | } | |
565 | ||
566 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
567 | { | |
568 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
569 | return 0; | |
570 | } | |
571 | ||
572 | static ssize_t store_multicast_query_interval(struct device *d, | |
573 | struct device_attribute *attr, | |
574 | const char *buf, size_t len) | |
575 | { | |
576 | return store_bridge_parm(d, buf, len, set_query_interval); | |
577 | } | |
578 | static DEVICE_ATTR(multicast_query_interval, S_IRUGO | S_IWUSR, | |
579 | show_multicast_query_interval, | |
580 | store_multicast_query_interval); | |
581 | ||
582 | static ssize_t show_multicast_query_response_interval( | |
583 | struct device *d, struct device_attribute *attr, char *buf) | |
584 | { | |
585 | struct net_bridge *br = to_bridge(d); | |
586 | return sprintf( | |
587 | buf, "%lu\n", | |
588 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
589 | } | |
590 | ||
591 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
592 | { | |
593 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
594 | return 0; | |
595 | } | |
596 | ||
597 | static ssize_t store_multicast_query_response_interval( | |
598 | struct device *d, struct device_attribute *attr, const char *buf, | |
599 | size_t len) | |
600 | { | |
601 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
602 | } | |
603 | static DEVICE_ATTR(multicast_query_response_interval, S_IRUGO | S_IWUSR, | |
604 | show_multicast_query_response_interval, | |
605 | store_multicast_query_response_interval); | |
606 | ||
607 | static ssize_t show_multicast_startup_query_interval( | |
608 | struct device *d, struct device_attribute *attr, char *buf) | |
609 | { | |
610 | struct net_bridge *br = to_bridge(d); | |
611 | return sprintf( | |
612 | buf, "%lu\n", | |
613 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
614 | } | |
615 | ||
616 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
617 | { | |
618 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
619 | return 0; | |
620 | } | |
621 | ||
622 | static ssize_t store_multicast_startup_query_interval( | |
623 | struct device *d, struct device_attribute *attr, const char *buf, | |
624 | size_t len) | |
625 | { | |
626 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
627 | } | |
628 | static DEVICE_ATTR(multicast_startup_query_interval, S_IRUGO | S_IWUSR, | |
629 | show_multicast_startup_query_interval, | |
630 | store_multicast_startup_query_interval); | |
0909e117 | 631 | #endif |
4df53d8b PM |
632 | #ifdef CONFIG_BRIDGE_NETFILTER |
633 | static ssize_t show_nf_call_iptables( | |
634 | struct device *d, struct device_attribute *attr, char *buf) | |
635 | { | |
636 | struct net_bridge *br = to_bridge(d); | |
637 | return sprintf(buf, "%u\n", br->nf_call_iptables); | |
638 | } | |
639 | ||
640 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
641 | { | |
642 | br->nf_call_iptables = val ? true : false; | |
643 | return 0; | |
644 | } | |
645 | ||
646 | static ssize_t store_nf_call_iptables( | |
647 | struct device *d, struct device_attribute *attr, const char *buf, | |
648 | size_t len) | |
649 | { | |
650 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
651 | } | |
652 | static DEVICE_ATTR(nf_call_iptables, S_IRUGO | S_IWUSR, | |
653 | show_nf_call_iptables, store_nf_call_iptables); | |
654 | ||
655 | static ssize_t show_nf_call_ip6tables( | |
656 | struct device *d, struct device_attribute *attr, char *buf) | |
657 | { | |
658 | struct net_bridge *br = to_bridge(d); | |
659 | return sprintf(buf, "%u\n", br->nf_call_ip6tables); | |
660 | } | |
661 | ||
662 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
663 | { | |
664 | br->nf_call_ip6tables = val ? true : false; | |
665 | return 0; | |
666 | } | |
667 | ||
668 | static ssize_t store_nf_call_ip6tables( | |
669 | struct device *d, struct device_attribute *attr, const char *buf, | |
670 | size_t len) | |
671 | { | |
672 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
673 | } | |
674 | static DEVICE_ATTR(nf_call_ip6tables, S_IRUGO | S_IWUSR, | |
675 | show_nf_call_ip6tables, store_nf_call_ip6tables); | |
676 | ||
677 | static ssize_t show_nf_call_arptables( | |
678 | struct device *d, struct device_attribute *attr, char *buf) | |
679 | { | |
680 | struct net_bridge *br = to_bridge(d); | |
681 | return sprintf(buf, "%u\n", br->nf_call_arptables); | |
682 | } | |
683 | ||
684 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
685 | { | |
686 | br->nf_call_arptables = val ? true : false; | |
687 | return 0; | |
688 | } | |
689 | ||
690 | static ssize_t store_nf_call_arptables( | |
691 | struct device *d, struct device_attribute *attr, const char *buf, | |
692 | size_t len) | |
693 | { | |
694 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
695 | } | |
696 | static DEVICE_ATTR(nf_call_arptables, S_IRUGO | S_IWUSR, | |
697 | show_nf_call_arptables, store_nf_call_arptables); | |
698 | #endif | |
0909e117 | 699 | |
1da177e4 | 700 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
701 | &dev_attr_forward_delay.attr, |
702 | &dev_attr_hello_time.attr, | |
703 | &dev_attr_max_age.attr, | |
704 | &dev_attr_ageing_time.attr, | |
705 | &dev_attr_stp_state.attr, | |
515853cc | 706 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
707 | &dev_attr_priority.attr, |
708 | &dev_attr_bridge_id.attr, | |
709 | &dev_attr_root_id.attr, | |
710 | &dev_attr_root_path_cost.attr, | |
711 | &dev_attr_root_port.attr, | |
712 | &dev_attr_topology_change.attr, | |
713 | &dev_attr_topology_change_detected.attr, | |
714 | &dev_attr_hello_timer.attr, | |
715 | &dev_attr_tcn_timer.attr, | |
716 | &dev_attr_topology_change_timer.attr, | |
717 | &dev_attr_gc_timer.attr, | |
718 | &dev_attr_group_addr.attr, | |
9cf63747 | 719 | &dev_attr_flush.attr, |
0909e117 HX |
720 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
721 | &dev_attr_multicast_router.attr, | |
561f1103 | 722 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 723 | &dev_attr_multicast_querier.attr, |
b195167f HX |
724 | &dev_attr_hash_elasticity.attr, |
725 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
726 | &dev_attr_multicast_last_member_count.attr, |
727 | &dev_attr_multicast_startup_query_count.attr, | |
728 | &dev_attr_multicast_last_member_interval.attr, | |
729 | &dev_attr_multicast_membership_interval.attr, | |
730 | &dev_attr_multicast_querier_interval.attr, | |
731 | &dev_attr_multicast_query_interval.attr, | |
732 | &dev_attr_multicast_query_response_interval.attr, | |
733 | &dev_attr_multicast_startup_query_interval.attr, | |
4df53d8b PM |
734 | #endif |
735 | #ifdef CONFIG_BRIDGE_NETFILTER | |
736 | &dev_attr_nf_call_iptables.attr, | |
737 | &dev_attr_nf_call_ip6tables.attr, | |
738 | &dev_attr_nf_call_arptables.attr, | |
0909e117 | 739 | #endif |
1da177e4 LT |
740 | NULL |
741 | }; | |
742 | ||
743 | static struct attribute_group bridge_group = { | |
744 | .name = SYSFS_BRIDGE_ATTR, | |
745 | .attrs = bridge_attrs, | |
746 | }; | |
747 | ||
748 | /* | |
749 | * Export the forwarding information table as a binary file | |
750 | * The records are struct __fdb_entry. | |
751 | * | |
752 | * Returns the number of bytes read. | |
753 | */ | |
2c3c8bea | 754 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
755 | struct bin_attribute *bin_attr, |
756 | char *buf, loff_t off, size_t count) | |
1da177e4 | 757 | { |
43cb76d9 GKH |
758 | struct device *dev = to_dev(kobj); |
759 | struct net_bridge *br = to_bridge(dev); | |
1da177e4 LT |
760 | int n; |
761 | ||
762 | /* must read whole records */ | |
763 | if (off % sizeof(struct __fdb_entry) != 0) | |
764 | return -EINVAL; | |
765 | ||
9d6f229f | 766 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
767 | count / sizeof(struct __fdb_entry), |
768 | off / sizeof(struct __fdb_entry)); | |
769 | ||
770 | if (n > 0) | |
771 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 772 | |
1da177e4 LT |
773 | return n; |
774 | } | |
775 | ||
776 | static struct bin_attribute bridge_forward = { | |
777 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
7b595756 | 778 | .mode = S_IRUGO, }, |
1da177e4 LT |
779 | .read = brforward_read, |
780 | }; | |
781 | ||
782 | /* | |
783 | * Add entries in sysfs onto the existing network class device | |
784 | * for the bridge. | |
785 | * Adds a attribute group "bridge" containing tuning parameters. | |
786 | * Binary attribute containing the forward table | |
787 | * Sub directory to hold links to interfaces. | |
788 | * | |
789 | * Note: the ifobj exists only to be a subdirectory | |
790 | * to hold links. The ifobj exists in same data structure | |
791 | * as it's parent the bridge so reference counting works. | |
792 | */ | |
793 | int br_sysfs_addbr(struct net_device *dev) | |
794 | { | |
43cb76d9 | 795 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
796 | struct net_bridge *br = netdev_priv(dev); |
797 | int err; | |
798 | ||
799 | err = sysfs_create_group(brobj, &bridge_group); | |
800 | if (err) { | |
801 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 802 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
803 | goto out1; |
804 | } | |
805 | ||
806 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
807 | if (err) { | |
1842c4be | 808 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 809 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
810 | goto out2; |
811 | } | |
812 | ||
43b98c4a GKH |
813 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
814 | if (!br->ifobj) { | |
1da177e4 | 815 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 816 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
1da177e4 LT |
817 | goto out3; |
818 | } | |
819 | return 0; | |
820 | out3: | |
43cb76d9 | 821 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 822 | out2: |
43cb76d9 | 823 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
824 | out1: |
825 | return err; | |
826 | ||
827 | } | |
828 | ||
829 | void br_sysfs_delbr(struct net_device *dev) | |
830 | { | |
43cb76d9 | 831 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
832 | struct net_bridge *br = netdev_priv(dev); |
833 | ||
78a2d906 | 834 | kobject_put(br->ifobj); |
1da177e4 LT |
835 | sysfs_remove_bin_file(kobj, &bridge_forward); |
836 | sysfs_remove_group(kobj, &bridge_group); | |
837 | } |