Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
15401946 | 2 | * Sysfs attributes of bridge |
1da177e4 LT |
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 | 39 | |
cb990503 | 40 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
1da177e4 LT |
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 | ||
fbf2671b | 52 | static ssize_t forward_delay_show(struct device *d, |
43cb76d9 | 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 | ||
fbf2671b | 59 | static ssize_t forward_delay_store(struct device *d, |
43cb76d9 GKH |
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 | } |
fbf2671b | 65 | static DEVICE_ATTR_RW(forward_delay); |
1da177e4 | 66 | |
fbf2671b | 67 | static ssize_t hello_time_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 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 | ||
fbf2671b | 74 | static ssize_t hello_time_store(struct device *d, |
43cb76d9 | 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 | } |
fbf2671b | 80 | static DEVICE_ATTR_RW(hello_time); |
1da177e4 | 81 | |
fbf2671b | 82 | static ssize_t max_age_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 83 | char *buf) |
1da177e4 LT |
84 | { |
85 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 86 | jiffies_to_clock_t(to_bridge(d)->max_age)); |
1da177e4 LT |
87 | } |
88 | ||
fbf2671b | 89 | static ssize_t max_age_store(struct device *d, struct device_attribute *attr, |
43cb76d9 | 90 | const char *buf, size_t len) |
1da177e4 | 91 | { |
14f98f25 | 92 | return store_bridge_parm(d, buf, len, br_set_max_age); |
1da177e4 | 93 | } |
fbf2671b | 94 | static DEVICE_ATTR_RW(max_age); |
1da177e4 | 95 | |
fbf2671b | 96 | static ssize_t ageing_time_show(struct device *d, |
43cb76d9 | 97 | struct device_attribute *attr, char *buf) |
1da177e4 | 98 | { |
43cb76d9 | 99 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
100 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->ageing_time)); |
101 | } | |
102 | ||
8d4698f7 | 103 | static int set_ageing_time(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
104 | { |
105 | br->ageing_time = clock_t_to_jiffies(val); | |
8d4698f7 | 106 | return 0; |
1da177e4 LT |
107 | } |
108 | ||
fbf2671b | 109 | static ssize_t ageing_time_store(struct device *d, |
43cb76d9 GKH |
110 | struct device_attribute *attr, |
111 | const char *buf, size_t len) | |
1da177e4 | 112 | { |
43cb76d9 | 113 | return store_bridge_parm(d, buf, len, set_ageing_time); |
1da177e4 | 114 | } |
fbf2671b | 115 | static DEVICE_ATTR_RW(ageing_time); |
1da177e4 | 116 | |
fbf2671b | 117 | static ssize_t stp_state_show(struct device *d, |
43cb76d9 | 118 | struct device_attribute *attr, char *buf) |
1da177e4 | 119 | { |
43cb76d9 | 120 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
121 | return sprintf(buf, "%d\n", br->stp_enabled); |
122 | } | |
123 | ||
1da177e4 | 124 | |
fbf2671b | 125 | static ssize_t stp_state_store(struct device *d, |
43cb76d9 GKH |
126 | struct device_attribute *attr, const char *buf, |
127 | size_t len) | |
1da177e4 | 128 | { |
17120889 SH |
129 | struct net_bridge *br = to_bridge(d); |
130 | char *endp; | |
131 | unsigned long val; | |
132 | ||
cb990503 | 133 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
17120889 SH |
134 | return -EPERM; |
135 | ||
136 | val = simple_strtoul(buf, &endp, 0); | |
137 | if (endp == buf) | |
138 | return -EINVAL; | |
139 | ||
af38f298 EB |
140 | if (!rtnl_trylock()) |
141 | return restart_syscall(); | |
17120889 SH |
142 | br_stp_set_enabled(br, val); |
143 | rtnl_unlock(); | |
144 | ||
35b426c3 | 145 | return len; |
1da177e4 | 146 | } |
fbf2671b | 147 | static DEVICE_ATTR_RW(stp_state); |
1da177e4 | 148 | |
fbf2671b | 149 | static ssize_t group_fwd_mask_show(struct device *d, |
150 | struct device_attribute *attr, | |
151 | char *buf) | |
515853cc | 152 | { |
153 | struct net_bridge *br = to_bridge(d); | |
154 | return sprintf(buf, "%#x\n", br->group_fwd_mask); | |
155 | } | |
156 | ||
157 | ||
fbf2671b | 158 | static ssize_t group_fwd_mask_store(struct device *d, |
159 | struct device_attribute *attr, | |
160 | const char *buf, | |
161 | size_t len) | |
515853cc | 162 | { |
163 | struct net_bridge *br = to_bridge(d); | |
164 | char *endp; | |
165 | unsigned long val; | |
166 | ||
cb990503 | 167 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
515853cc | 168 | return -EPERM; |
169 | ||
170 | val = simple_strtoul(buf, &endp, 0); | |
171 | if (endp == buf) | |
172 | return -EINVAL; | |
173 | ||
174 | if (val & BR_GROUPFWD_RESTRICTED) | |
175 | return -EINVAL; | |
176 | ||
177 | br->group_fwd_mask = val; | |
178 | ||
179 | return len; | |
180 | } | |
fbf2671b | 181 | static DEVICE_ATTR_RW(group_fwd_mask); |
515853cc | 182 | |
fbf2671b | 183 | static ssize_t priority_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 184 | char *buf) |
1da177e4 | 185 | { |
43cb76d9 | 186 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
187 | return sprintf(buf, "%d\n", |
188 | (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]); | |
189 | } | |
190 | ||
8d4698f7 | 191 | static int set_priority(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
192 | { |
193 | br_stp_set_bridge_priority(br, (u16) val); | |
8d4698f7 | 194 | return 0; |
1da177e4 LT |
195 | } |
196 | ||
fbf2671b | 197 | static ssize_t priority_store(struct device *d, struct device_attribute *attr, |
198 | const char *buf, size_t len) | |
1da177e4 | 199 | { |
43cb76d9 | 200 | return store_bridge_parm(d, buf, len, set_priority); |
1da177e4 | 201 | } |
fbf2671b | 202 | static DEVICE_ATTR_RW(priority); |
1da177e4 | 203 | |
fbf2671b | 204 | static ssize_t root_id_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 205 | char *buf) |
1da177e4 | 206 | { |
43cb76d9 | 207 | return br_show_bridge_id(buf, &to_bridge(d)->designated_root); |
1da177e4 | 208 | } |
fbf2671b | 209 | static DEVICE_ATTR_RO(root_id); |
1da177e4 | 210 | |
fbf2671b | 211 | static ssize_t bridge_id_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 212 | char *buf) |
1da177e4 | 213 | { |
43cb76d9 | 214 | return br_show_bridge_id(buf, &to_bridge(d)->bridge_id); |
1da177e4 | 215 | } |
fbf2671b | 216 | static DEVICE_ATTR_RO(bridge_id); |
1da177e4 | 217 | |
fbf2671b | 218 | static ssize_t root_port_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 219 | char *buf) |
1da177e4 | 220 | { |
43cb76d9 | 221 | return sprintf(buf, "%d\n", to_bridge(d)->root_port); |
1da177e4 | 222 | } |
fbf2671b | 223 | static DEVICE_ATTR_RO(root_port); |
1da177e4 | 224 | |
fbf2671b | 225 | static ssize_t root_path_cost_show(struct device *d, |
43cb76d9 | 226 | struct device_attribute *attr, char *buf) |
1da177e4 | 227 | { |
43cb76d9 | 228 | return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost); |
1da177e4 | 229 | } |
fbf2671b | 230 | static DEVICE_ATTR_RO(root_path_cost); |
1da177e4 | 231 | |
fbf2671b | 232 | static ssize_t topology_change_show(struct device *d, |
43cb76d9 | 233 | struct device_attribute *attr, char *buf) |
1da177e4 | 234 | { |
43cb76d9 | 235 | return sprintf(buf, "%d\n", to_bridge(d)->topology_change); |
1da177e4 | 236 | } |
fbf2671b | 237 | static DEVICE_ATTR_RO(topology_change); |
1da177e4 | 238 | |
fbf2671b | 239 | static ssize_t topology_change_detected_show(struct device *d, |
43cb76d9 GKH |
240 | struct device_attribute *attr, |
241 | char *buf) | |
1da177e4 | 242 | { |
43cb76d9 | 243 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
244 | return sprintf(buf, "%d\n", br->topology_change_detected); |
245 | } | |
fbf2671b | 246 | static DEVICE_ATTR_RO(topology_change_detected); |
1da177e4 | 247 | |
fbf2671b | 248 | static ssize_t hello_timer_show(struct device *d, |
43cb76d9 | 249 | struct device_attribute *attr, char *buf) |
1da177e4 | 250 | { |
43cb76d9 | 251 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
252 | return sprintf(buf, "%ld\n", br_timer_value(&br->hello_timer)); |
253 | } | |
fbf2671b | 254 | static DEVICE_ATTR_RO(hello_timer); |
1da177e4 | 255 | |
fbf2671b | 256 | static ssize_t tcn_timer_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 257 | char *buf) |
1da177e4 | 258 | { |
43cb76d9 | 259 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
260 | return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer)); |
261 | } | |
fbf2671b | 262 | static DEVICE_ATTR_RO(tcn_timer); |
1da177e4 | 263 | |
fbf2671b | 264 | static ssize_t topology_change_timer_show(struct device *d, |
43cb76d9 GKH |
265 | struct device_attribute *attr, |
266 | char *buf) | |
1da177e4 | 267 | { |
43cb76d9 | 268 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
269 | return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer)); |
270 | } | |
fbf2671b | 271 | static DEVICE_ATTR_RO(topology_change_timer); |
1da177e4 | 272 | |
fbf2671b | 273 | static ssize_t gc_timer_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 274 | char *buf) |
1da177e4 | 275 | { |
43cb76d9 | 276 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
277 | return sprintf(buf, "%ld\n", br_timer_value(&br->gc_timer)); |
278 | } | |
fbf2671b | 279 | static DEVICE_ATTR_RO(gc_timer); |
1da177e4 | 280 | |
fbf2671b | 281 | static ssize_t group_addr_show(struct device *d, |
43cb76d9 | 282 | struct device_attribute *attr, char *buf) |
fda93d92 | 283 | { |
43cb76d9 | 284 | struct net_bridge *br = to_bridge(d); |
fda93d92 SH |
285 | return sprintf(buf, "%x:%x:%x:%x:%x:%x\n", |
286 | br->group_addr[0], br->group_addr[1], | |
287 | br->group_addr[2], br->group_addr[3], | |
288 | br->group_addr[4], br->group_addr[5]); | |
289 | } | |
290 | ||
fbf2671b | 291 | static ssize_t group_addr_store(struct device *d, |
43cb76d9 GKH |
292 | struct device_attribute *attr, |
293 | const char *buf, size_t len) | |
fda93d92 | 294 | { |
43cb76d9 | 295 | struct net_bridge *br = to_bridge(d); |
4197f24b | 296 | u8 new_addr[6]; |
fda93d92 SH |
297 | int i; |
298 | ||
cb990503 | 299 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
fda93d92 SH |
300 | return -EPERM; |
301 | ||
4197f24b | 302 | if (sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", |
fda93d92 SH |
303 | &new_addr[0], &new_addr[1], &new_addr[2], |
304 | &new_addr[3], &new_addr[4], &new_addr[5]) != 6) | |
305 | return -EINVAL; | |
306 | ||
46acc460 | 307 | if (!is_link_local_ether_addr(new_addr)) |
fda93d92 SH |
308 | return -EINVAL; |
309 | ||
f64f9e71 JP |
310 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
311 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
312 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
313 | return -EINVAL; |
314 | ||
315 | spin_lock_bh(&br->lock); | |
316 | for (i = 0; i < 6; i++) | |
317 | br->group_addr[i] = new_addr[i]; | |
318 | spin_unlock_bh(&br->lock); | |
319 | return len; | |
320 | } | |
321 | ||
fbf2671b | 322 | static DEVICE_ATTR_RW(group_addr); |
fda93d92 | 323 | |
fbf2671b | 324 | static ssize_t flush_store(struct device *d, |
9cf63747 SH |
325 | struct device_attribute *attr, |
326 | const char *buf, size_t len) | |
327 | { | |
328 | struct net_bridge *br = to_bridge(d); | |
329 | ||
cb990503 | 330 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
9cf63747 SH |
331 | return -EPERM; |
332 | ||
333 | br_fdb_flush(br); | |
334 | return len; | |
335 | } | |
fbf2671b | 336 | static DEVICE_ATTR_WO(flush); |
fda93d92 | 337 | |
0909e117 | 338 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
fbf2671b | 339 | static ssize_t multicast_router_show(struct device *d, |
0909e117 HX |
340 | struct device_attribute *attr, char *buf) |
341 | { | |
342 | struct net_bridge *br = to_bridge(d); | |
343 | return sprintf(buf, "%d\n", br->multicast_router); | |
344 | } | |
345 | ||
fbf2671b | 346 | static ssize_t multicast_router_store(struct device *d, |
0909e117 HX |
347 | struct device_attribute *attr, |
348 | const char *buf, size_t len) | |
349 | { | |
350 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
351 | } | |
fbf2671b | 352 | static DEVICE_ATTR_RW(multicast_router); |
561f1103 | 353 | |
fbf2671b | 354 | static ssize_t multicast_snooping_show(struct device *d, |
561f1103 HX |
355 | struct device_attribute *attr, |
356 | char *buf) | |
357 | { | |
358 | struct net_bridge *br = to_bridge(d); | |
359 | return sprintf(buf, "%d\n", !br->multicast_disabled); | |
360 | } | |
361 | ||
fbf2671b | 362 | static ssize_t multicast_snooping_store(struct device *d, |
561f1103 HX |
363 | struct device_attribute *attr, |
364 | const char *buf, size_t len) | |
365 | { | |
366 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
367 | } | |
fbf2671b | 368 | static DEVICE_ATTR_RW(multicast_snooping); |
b195167f | 369 | |
fbf2671b | 370 | static ssize_t multicast_query_use_ifaddr_show(struct device *d, |
371 | struct device_attribute *attr, | |
372 | char *buf) | |
1c8ad5bf CW |
373 | { |
374 | struct net_bridge *br = to_bridge(d); | |
375 | return sprintf(buf, "%d\n", br->multicast_query_use_ifaddr); | |
376 | } | |
377 | ||
378 | static int set_query_use_ifaddr(struct net_bridge *br, unsigned long val) | |
379 | { | |
380 | br->multicast_query_use_ifaddr = !!val; | |
381 | return 0; | |
382 | } | |
383 | ||
384 | static ssize_t | |
fbf2671b | 385 | multicast_query_use_ifaddr_store(struct device *d, |
1c8ad5bf CW |
386 | struct device_attribute *attr, |
387 | const char *buf, size_t len) | |
388 | { | |
389 | return store_bridge_parm(d, buf, len, set_query_use_ifaddr); | |
390 | } | |
fbf2671b | 391 | static DEVICE_ATTR_RW(multicast_query_use_ifaddr); |
1c8ad5bf | 392 | |
fbf2671b | 393 | static ssize_t multicast_querier_show(struct device *d, |
c5c23260 HX |
394 | struct device_attribute *attr, |
395 | char *buf) | |
396 | { | |
397 | struct net_bridge *br = to_bridge(d); | |
398 | return sprintf(buf, "%d\n", br->multicast_querier); | |
399 | } | |
400 | ||
fbf2671b | 401 | static ssize_t multicast_querier_store(struct device *d, |
c5c23260 HX |
402 | struct device_attribute *attr, |
403 | const char *buf, size_t len) | |
404 | { | |
405 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
406 | } | |
fbf2671b | 407 | static DEVICE_ATTR_RW(multicast_querier); |
c5c23260 | 408 | |
fbf2671b | 409 | static ssize_t hash_elasticity_show(struct device *d, |
b195167f HX |
410 | struct device_attribute *attr, char *buf) |
411 | { | |
412 | struct net_bridge *br = to_bridge(d); | |
413 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
414 | } | |
415 | ||
416 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
417 | { | |
418 | br->hash_elasticity = val; | |
419 | return 0; | |
420 | } | |
421 | ||
fbf2671b | 422 | static ssize_t hash_elasticity_store(struct device *d, |
b195167f HX |
423 | struct device_attribute *attr, |
424 | const char *buf, size_t len) | |
425 | { | |
426 | return store_bridge_parm(d, buf, len, set_elasticity); | |
427 | } | |
fbf2671b | 428 | static DEVICE_ATTR_RW(hash_elasticity); |
b195167f | 429 | |
fbf2671b | 430 | static ssize_t hash_max_show(struct device *d, struct device_attribute *attr, |
b195167f HX |
431 | char *buf) |
432 | { | |
433 | struct net_bridge *br = to_bridge(d); | |
434 | return sprintf(buf, "%u\n", br->hash_max); | |
435 | } | |
436 | ||
fbf2671b | 437 | static ssize_t hash_max_store(struct device *d, struct device_attribute *attr, |
b195167f HX |
438 | const char *buf, size_t len) |
439 | { | |
440 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
441 | } | |
fbf2671b | 442 | static DEVICE_ATTR_RW(hash_max); |
d902eee4 | 443 | |
fbf2671b | 444 | static ssize_t multicast_last_member_count_show(struct device *d, |
d902eee4 HX |
445 | struct device_attribute *attr, |
446 | char *buf) | |
447 | { | |
448 | struct net_bridge *br = to_bridge(d); | |
449 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
450 | } | |
451 | ||
452 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
453 | { | |
454 | br->multicast_last_member_count = val; | |
455 | return 0; | |
456 | } | |
457 | ||
fbf2671b | 458 | static ssize_t multicast_last_member_count_store(struct device *d, |
d902eee4 HX |
459 | struct device_attribute *attr, |
460 | const char *buf, size_t len) | |
461 | { | |
462 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
463 | } | |
fbf2671b | 464 | static DEVICE_ATTR_RW(multicast_last_member_count); |
d902eee4 | 465 | |
fbf2671b | 466 | static ssize_t multicast_startup_query_count_show( |
d902eee4 HX |
467 | struct device *d, struct device_attribute *attr, char *buf) |
468 | { | |
469 | struct net_bridge *br = to_bridge(d); | |
470 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
471 | } | |
472 | ||
473 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
474 | { | |
475 | br->multicast_startup_query_count = val; | |
476 | return 0; | |
477 | } | |
478 | ||
fbf2671b | 479 | static ssize_t multicast_startup_query_count_store( |
d902eee4 HX |
480 | struct device *d, struct device_attribute *attr, const char *buf, |
481 | size_t len) | |
482 | { | |
483 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
484 | } | |
fbf2671b | 485 | static DEVICE_ATTR_RW(multicast_startup_query_count); |
d902eee4 | 486 | |
fbf2671b | 487 | static ssize_t multicast_last_member_interval_show( |
d902eee4 HX |
488 | struct device *d, struct device_attribute *attr, char *buf) |
489 | { | |
490 | struct net_bridge *br = to_bridge(d); | |
491 | return sprintf(buf, "%lu\n", | |
492 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
493 | } | |
494 | ||
495 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
496 | { | |
497 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
498 | return 0; | |
499 | } | |
500 | ||
fbf2671b | 501 | static ssize_t multicast_last_member_interval_store( |
d902eee4 HX |
502 | struct device *d, struct device_attribute *attr, const char *buf, |
503 | size_t len) | |
504 | { | |
505 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
506 | } | |
fbf2671b | 507 | static DEVICE_ATTR_RW(multicast_last_member_interval); |
d902eee4 | 508 | |
fbf2671b | 509 | static ssize_t multicast_membership_interval_show( |
d902eee4 HX |
510 | struct device *d, struct device_attribute *attr, char *buf) |
511 | { | |
512 | struct net_bridge *br = to_bridge(d); | |
513 | return sprintf(buf, "%lu\n", | |
514 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
515 | } | |
516 | ||
517 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
518 | { | |
519 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
520 | return 0; | |
521 | } | |
522 | ||
fbf2671b | 523 | static ssize_t multicast_membership_interval_store( |
d902eee4 HX |
524 | struct device *d, struct device_attribute *attr, const char *buf, |
525 | size_t len) | |
526 | { | |
527 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
528 | } | |
fbf2671b | 529 | static DEVICE_ATTR_RW(multicast_membership_interval); |
d902eee4 | 530 | |
fbf2671b | 531 | static ssize_t multicast_querier_interval_show(struct device *d, |
d902eee4 HX |
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 | ||
fbf2671b | 546 | static ssize_t multicast_querier_interval_store(struct device *d, |
d902eee4 HX |
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 | } | |
fbf2671b | 552 | static DEVICE_ATTR_RW(multicast_querier_interval); |
d902eee4 | 553 | |
fbf2671b | 554 | static ssize_t multicast_query_interval_show(struct device *d, |
d902eee4 HX |
555 | struct device_attribute *attr, |
556 | char *buf) | |
557 | { | |
558 | struct net_bridge *br = to_bridge(d); | |
559 | return sprintf(buf, "%lu\n", | |
560 | jiffies_to_clock_t(br->multicast_query_interval)); | |
561 | } | |
562 | ||
563 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
564 | { | |
565 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
566 | return 0; | |
567 | } | |
568 | ||
fbf2671b | 569 | static ssize_t multicast_query_interval_store(struct device *d, |
d902eee4 HX |
570 | struct device_attribute *attr, |
571 | const char *buf, size_t len) | |
572 | { | |
573 | return store_bridge_parm(d, buf, len, set_query_interval); | |
574 | } | |
fbf2671b | 575 | static DEVICE_ATTR_RW(multicast_query_interval); |
d902eee4 | 576 | |
fbf2671b | 577 | static ssize_t multicast_query_response_interval_show( |
d902eee4 HX |
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 | ||
fbf2671b | 592 | static ssize_t multicast_query_response_interval_store( |
d902eee4 HX |
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 | } | |
fbf2671b | 598 | static DEVICE_ATTR_RW(multicast_query_response_interval); |
d902eee4 | 599 | |
fbf2671b | 600 | static ssize_t multicast_startup_query_interval_show( |
d902eee4 HX |
601 | struct device *d, struct device_attribute *attr, char *buf) |
602 | { | |
603 | struct net_bridge *br = to_bridge(d); | |
604 | return sprintf( | |
605 | buf, "%lu\n", | |
606 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
607 | } | |
608 | ||
609 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
610 | { | |
611 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
612 | return 0; | |
613 | } | |
614 | ||
fbf2671b | 615 | static ssize_t multicast_startup_query_interval_store( |
d902eee4 HX |
616 | struct device *d, struct device_attribute *attr, const char *buf, |
617 | size_t len) | |
618 | { | |
619 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
620 | } | |
fbf2671b | 621 | static DEVICE_ATTR_RW(multicast_startup_query_interval); |
0909e117 | 622 | #endif |
4df53d8b | 623 | #ifdef CONFIG_BRIDGE_NETFILTER |
fbf2671b | 624 | static ssize_t nf_call_iptables_show( |
4df53d8b PM |
625 | struct device *d, struct device_attribute *attr, char *buf) |
626 | { | |
627 | struct net_bridge *br = to_bridge(d); | |
628 | return sprintf(buf, "%u\n", br->nf_call_iptables); | |
629 | } | |
630 | ||
631 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
632 | { | |
633 | br->nf_call_iptables = val ? true : false; | |
634 | return 0; | |
635 | } | |
636 | ||
fbf2671b | 637 | static ssize_t nf_call_iptables_store( |
4df53d8b PM |
638 | struct device *d, struct device_attribute *attr, const char *buf, |
639 | size_t len) | |
640 | { | |
641 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
642 | } | |
fbf2671b | 643 | static DEVICE_ATTR_RW(nf_call_iptables); |
4df53d8b | 644 | |
fbf2671b | 645 | static ssize_t nf_call_ip6tables_show( |
4df53d8b PM |
646 | struct device *d, struct device_attribute *attr, char *buf) |
647 | { | |
648 | struct net_bridge *br = to_bridge(d); | |
649 | return sprintf(buf, "%u\n", br->nf_call_ip6tables); | |
650 | } | |
651 | ||
652 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
653 | { | |
654 | br->nf_call_ip6tables = val ? true : false; | |
655 | return 0; | |
656 | } | |
657 | ||
fbf2671b | 658 | static ssize_t nf_call_ip6tables_store( |
4df53d8b PM |
659 | struct device *d, struct device_attribute *attr, const char *buf, |
660 | size_t len) | |
661 | { | |
662 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
663 | } | |
fbf2671b | 664 | static DEVICE_ATTR_RW(nf_call_ip6tables); |
4df53d8b | 665 | |
fbf2671b | 666 | static ssize_t nf_call_arptables_show( |
4df53d8b PM |
667 | struct device *d, struct device_attribute *attr, char *buf) |
668 | { | |
669 | struct net_bridge *br = to_bridge(d); | |
670 | return sprintf(buf, "%u\n", br->nf_call_arptables); | |
671 | } | |
672 | ||
673 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
674 | { | |
675 | br->nf_call_arptables = val ? true : false; | |
676 | return 0; | |
677 | } | |
678 | ||
fbf2671b | 679 | static ssize_t nf_call_arptables_store( |
4df53d8b PM |
680 | struct device *d, struct device_attribute *attr, const char *buf, |
681 | size_t len) | |
682 | { | |
683 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
684 | } | |
fbf2671b | 685 | static DEVICE_ATTR_RW(nf_call_arptables); |
4df53d8b | 686 | #endif |
243a2e63 | 687 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
fbf2671b | 688 | static ssize_t vlan_filtering_show(struct device *d, |
243a2e63 VY |
689 | struct device_attribute *attr, |
690 | char *buf) | |
691 | { | |
692 | struct net_bridge *br = to_bridge(d); | |
693 | return sprintf(buf, "%d\n", br->vlan_enabled); | |
694 | } | |
695 | ||
fbf2671b | 696 | static ssize_t vlan_filtering_store(struct device *d, |
243a2e63 VY |
697 | struct device_attribute *attr, |
698 | const char *buf, size_t len) | |
699 | { | |
700 | return store_bridge_parm(d, buf, len, br_vlan_filter_toggle); | |
701 | } | |
fbf2671b | 702 | static DEVICE_ATTR_RW(vlan_filtering); |
243a2e63 | 703 | #endif |
0909e117 | 704 | |
1da177e4 | 705 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
706 | &dev_attr_forward_delay.attr, |
707 | &dev_attr_hello_time.attr, | |
708 | &dev_attr_max_age.attr, | |
709 | &dev_attr_ageing_time.attr, | |
710 | &dev_attr_stp_state.attr, | |
515853cc | 711 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
712 | &dev_attr_priority.attr, |
713 | &dev_attr_bridge_id.attr, | |
714 | &dev_attr_root_id.attr, | |
715 | &dev_attr_root_path_cost.attr, | |
716 | &dev_attr_root_port.attr, | |
717 | &dev_attr_topology_change.attr, | |
718 | &dev_attr_topology_change_detected.attr, | |
719 | &dev_attr_hello_timer.attr, | |
720 | &dev_attr_tcn_timer.attr, | |
721 | &dev_attr_topology_change_timer.attr, | |
722 | &dev_attr_gc_timer.attr, | |
723 | &dev_attr_group_addr.attr, | |
9cf63747 | 724 | &dev_attr_flush.attr, |
0909e117 HX |
725 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
726 | &dev_attr_multicast_router.attr, | |
561f1103 | 727 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 728 | &dev_attr_multicast_querier.attr, |
1c8ad5bf | 729 | &dev_attr_multicast_query_use_ifaddr.attr, |
b195167f HX |
730 | &dev_attr_hash_elasticity.attr, |
731 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
732 | &dev_attr_multicast_last_member_count.attr, |
733 | &dev_attr_multicast_startup_query_count.attr, | |
734 | &dev_attr_multicast_last_member_interval.attr, | |
735 | &dev_attr_multicast_membership_interval.attr, | |
736 | &dev_attr_multicast_querier_interval.attr, | |
737 | &dev_attr_multicast_query_interval.attr, | |
738 | &dev_attr_multicast_query_response_interval.attr, | |
739 | &dev_attr_multicast_startup_query_interval.attr, | |
4df53d8b PM |
740 | #endif |
741 | #ifdef CONFIG_BRIDGE_NETFILTER | |
742 | &dev_attr_nf_call_iptables.attr, | |
743 | &dev_attr_nf_call_ip6tables.attr, | |
744 | &dev_attr_nf_call_arptables.attr, | |
243a2e63 VY |
745 | #endif |
746 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
747 | &dev_attr_vlan_filtering.attr, | |
0909e117 | 748 | #endif |
1da177e4 LT |
749 | NULL |
750 | }; | |
751 | ||
752 | static struct attribute_group bridge_group = { | |
753 | .name = SYSFS_BRIDGE_ATTR, | |
754 | .attrs = bridge_attrs, | |
755 | }; | |
756 | ||
757 | /* | |
758 | * Export the forwarding information table as a binary file | |
759 | * The records are struct __fdb_entry. | |
760 | * | |
761 | * Returns the number of bytes read. | |
762 | */ | |
2c3c8bea | 763 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
764 | struct bin_attribute *bin_attr, |
765 | char *buf, loff_t off, size_t count) | |
1da177e4 | 766 | { |
43cb76d9 GKH |
767 | struct device *dev = to_dev(kobj); |
768 | struct net_bridge *br = to_bridge(dev); | |
1da177e4 LT |
769 | int n; |
770 | ||
771 | /* must read whole records */ | |
772 | if (off % sizeof(struct __fdb_entry) != 0) | |
773 | return -EINVAL; | |
774 | ||
9d6f229f | 775 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
776 | count / sizeof(struct __fdb_entry), |
777 | off / sizeof(struct __fdb_entry)); | |
778 | ||
779 | if (n > 0) | |
780 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 781 | |
1da177e4 LT |
782 | return n; |
783 | } | |
784 | ||
785 | static struct bin_attribute bridge_forward = { | |
786 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
7b595756 | 787 | .mode = S_IRUGO, }, |
1da177e4 LT |
788 | .read = brforward_read, |
789 | }; | |
790 | ||
791 | /* | |
792 | * Add entries in sysfs onto the existing network class device | |
793 | * for the bridge. | |
794 | * Adds a attribute group "bridge" containing tuning parameters. | |
795 | * Binary attribute containing the forward table | |
796 | * Sub directory to hold links to interfaces. | |
797 | * | |
798 | * Note: the ifobj exists only to be a subdirectory | |
799 | * to hold links. The ifobj exists in same data structure | |
800 | * as it's parent the bridge so reference counting works. | |
801 | */ | |
802 | int br_sysfs_addbr(struct net_device *dev) | |
803 | { | |
43cb76d9 | 804 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
805 | struct net_bridge *br = netdev_priv(dev); |
806 | int err; | |
807 | ||
808 | err = sysfs_create_group(brobj, &bridge_group); | |
809 | if (err) { | |
810 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 811 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
812 | goto out1; |
813 | } | |
814 | ||
815 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
816 | if (err) { | |
1842c4be | 817 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 818 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
819 | goto out2; |
820 | } | |
821 | ||
43b98c4a GKH |
822 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
823 | if (!br->ifobj) { | |
1da177e4 | 824 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 825 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
1da177e4 LT |
826 | goto out3; |
827 | } | |
828 | return 0; | |
829 | out3: | |
43cb76d9 | 830 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 831 | out2: |
43cb76d9 | 832 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
833 | out1: |
834 | return err; | |
835 | ||
836 | } | |
837 | ||
838 | void br_sysfs_delbr(struct net_device *dev) | |
839 | { | |
43cb76d9 | 840 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
841 | struct net_bridge *br = netdev_priv(dev); |
842 | ||
78a2d906 | 843 | kobject_put(br->ifobj); |
1da177e4 LT |
844 | sysfs_remove_bin_file(kobj, &bridge_forward); |
845 | sysfs_remove_group(kobj, &bridge_group); | |
846 | } |