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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> | |
174cd4b1 | 22 | #include <linux/sched/signal.h> |
1da177e4 LT |
23 | |
24 | #include "br_private.h" | |
25 | ||
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 | ||
047831a9 XL |
47 | if (!rtnl_trylock()) |
48 | return restart_syscall(); | |
49 | ||
8d4698f7 | 50 | err = (*set)(br, val); |
047831a9 XL |
51 | if (!err) |
52 | netdev_state_change(br->dev); | |
53 | rtnl_unlock(); | |
54 | ||
8d4698f7 | 55 | return err ? err : len; |
1da177e4 LT |
56 | } |
57 | ||
58 | ||
fbf2671b | 59 | static ssize_t forward_delay_show(struct device *d, |
43cb76d9 | 60 | struct device_attribute *attr, char *buf) |
1da177e4 | 61 | { |
43cb76d9 | 62 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
63 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->forward_delay)); |
64 | } | |
65 | ||
fbf2671b | 66 | static ssize_t forward_delay_store(struct device *d, |
43cb76d9 GKH |
67 | struct device_attribute *attr, |
68 | const char *buf, size_t len) | |
1da177e4 | 69 | { |
14f98f25 | 70 | return store_bridge_parm(d, buf, len, br_set_forward_delay); |
1da177e4 | 71 | } |
fbf2671b | 72 | static DEVICE_ATTR_RW(forward_delay); |
1da177e4 | 73 | |
fbf2671b | 74 | static ssize_t hello_time_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 75 | char *buf) |
1da177e4 LT |
76 | { |
77 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 78 | jiffies_to_clock_t(to_bridge(d)->hello_time)); |
1da177e4 LT |
79 | } |
80 | ||
fbf2671b | 81 | static ssize_t hello_time_store(struct device *d, |
43cb76d9 | 82 | struct device_attribute *attr, const char *buf, |
1da177e4 LT |
83 | size_t len) |
84 | { | |
14f98f25 | 85 | return store_bridge_parm(d, buf, len, br_set_hello_time); |
1da177e4 | 86 | } |
fbf2671b | 87 | static DEVICE_ATTR_RW(hello_time); |
1da177e4 | 88 | |
fbf2671b | 89 | static ssize_t max_age_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 90 | char *buf) |
1da177e4 LT |
91 | { |
92 | return sprintf(buf, "%lu\n", | |
43cb76d9 | 93 | jiffies_to_clock_t(to_bridge(d)->max_age)); |
1da177e4 LT |
94 | } |
95 | ||
fbf2671b | 96 | static ssize_t max_age_store(struct device *d, struct device_attribute *attr, |
43cb76d9 | 97 | const char *buf, size_t len) |
1da177e4 | 98 | { |
14f98f25 | 99 | return store_bridge_parm(d, buf, len, br_set_max_age); |
1da177e4 | 100 | } |
fbf2671b | 101 | static DEVICE_ATTR_RW(max_age); |
1da177e4 | 102 | |
fbf2671b | 103 | static ssize_t ageing_time_show(struct device *d, |
43cb76d9 | 104 | struct device_attribute *attr, char *buf) |
1da177e4 | 105 | { |
43cb76d9 | 106 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
107 | return sprintf(buf, "%lu\n", jiffies_to_clock_t(br->ageing_time)); |
108 | } | |
109 | ||
8d4698f7 | 110 | static int set_ageing_time(struct net_bridge *br, unsigned long val) |
1da177e4 | 111 | { |
047831a9 | 112 | return br_set_ageing_time(br, val); |
1da177e4 LT |
113 | } |
114 | ||
fbf2671b | 115 | static ssize_t ageing_time_store(struct device *d, |
43cb76d9 GKH |
116 | struct device_attribute *attr, |
117 | const char *buf, size_t len) | |
1da177e4 | 118 | { |
43cb76d9 | 119 | return store_bridge_parm(d, buf, len, set_ageing_time); |
1da177e4 | 120 | } |
fbf2671b | 121 | static DEVICE_ATTR_RW(ageing_time); |
1da177e4 | 122 | |
fbf2671b | 123 | static ssize_t stp_state_show(struct device *d, |
43cb76d9 | 124 | struct device_attribute *attr, char *buf) |
1da177e4 | 125 | { |
43cb76d9 | 126 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
127 | return sprintf(buf, "%d\n", br->stp_enabled); |
128 | } | |
129 | ||
1da177e4 | 130 | |
4436156b | 131 | static int set_stp_state(struct net_bridge *br, unsigned long val) |
1da177e4 | 132 | { |
17120889 | 133 | br_stp_set_enabled(br, val); |
17120889 | 134 | |
4436156b XL |
135 | return 0; |
136 | } | |
137 | ||
138 | static ssize_t stp_state_store(struct device *d, | |
139 | struct device_attribute *attr, const char *buf, | |
140 | size_t len) | |
141 | { | |
142 | return store_bridge_parm(d, buf, len, set_stp_state); | |
1da177e4 | 143 | } |
fbf2671b | 144 | static DEVICE_ATTR_RW(stp_state); |
1da177e4 | 145 | |
fbf2671b | 146 | static ssize_t group_fwd_mask_show(struct device *d, |
147 | struct device_attribute *attr, | |
148 | char *buf) | |
515853cc | 149 | { |
150 | struct net_bridge *br = to_bridge(d); | |
151 | return sprintf(buf, "%#x\n", br->group_fwd_mask); | |
152 | } | |
153 | ||
347db6b4 | 154 | static int set_group_fwd_mask(struct net_bridge *br, unsigned long val) |
515853cc | 155 | { |
515853cc | 156 | if (val & BR_GROUPFWD_RESTRICTED) |
157 | return -EINVAL; | |
158 | ||
159 | br->group_fwd_mask = val; | |
160 | ||
347db6b4 XL |
161 | return 0; |
162 | } | |
163 | ||
164 | static ssize_t group_fwd_mask_store(struct device *d, | |
165 | struct device_attribute *attr, | |
166 | const char *buf, | |
167 | size_t len) | |
168 | { | |
169 | return store_bridge_parm(d, buf, len, set_group_fwd_mask); | |
515853cc | 170 | } |
fbf2671b | 171 | static DEVICE_ATTR_RW(group_fwd_mask); |
515853cc | 172 | |
fbf2671b | 173 | static ssize_t priority_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 174 | char *buf) |
1da177e4 | 175 | { |
43cb76d9 | 176 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
177 | return sprintf(buf, "%d\n", |
178 | (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]); | |
179 | } | |
180 | ||
8d4698f7 | 181 | static int set_priority(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
182 | { |
183 | br_stp_set_bridge_priority(br, (u16) val); | |
8d4698f7 | 184 | return 0; |
1da177e4 LT |
185 | } |
186 | ||
fbf2671b | 187 | static ssize_t priority_store(struct device *d, struct device_attribute *attr, |
188 | const char *buf, size_t len) | |
1da177e4 | 189 | { |
43cb76d9 | 190 | return store_bridge_parm(d, buf, len, set_priority); |
1da177e4 | 191 | } |
fbf2671b | 192 | static DEVICE_ATTR_RW(priority); |
1da177e4 | 193 | |
fbf2671b | 194 | static ssize_t root_id_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 195 | char *buf) |
1da177e4 | 196 | { |
43cb76d9 | 197 | return br_show_bridge_id(buf, &to_bridge(d)->designated_root); |
1da177e4 | 198 | } |
fbf2671b | 199 | static DEVICE_ATTR_RO(root_id); |
1da177e4 | 200 | |
fbf2671b | 201 | static ssize_t bridge_id_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 202 | char *buf) |
1da177e4 | 203 | { |
43cb76d9 | 204 | return br_show_bridge_id(buf, &to_bridge(d)->bridge_id); |
1da177e4 | 205 | } |
fbf2671b | 206 | static DEVICE_ATTR_RO(bridge_id); |
1da177e4 | 207 | |
fbf2671b | 208 | static ssize_t root_port_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 209 | char *buf) |
1da177e4 | 210 | { |
43cb76d9 | 211 | return sprintf(buf, "%d\n", to_bridge(d)->root_port); |
1da177e4 | 212 | } |
fbf2671b | 213 | static DEVICE_ATTR_RO(root_port); |
1da177e4 | 214 | |
fbf2671b | 215 | static ssize_t root_path_cost_show(struct device *d, |
43cb76d9 | 216 | struct device_attribute *attr, char *buf) |
1da177e4 | 217 | { |
43cb76d9 | 218 | return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost); |
1da177e4 | 219 | } |
fbf2671b | 220 | static DEVICE_ATTR_RO(root_path_cost); |
1da177e4 | 221 | |
fbf2671b | 222 | static ssize_t topology_change_show(struct device *d, |
43cb76d9 | 223 | struct device_attribute *attr, char *buf) |
1da177e4 | 224 | { |
43cb76d9 | 225 | return sprintf(buf, "%d\n", to_bridge(d)->topology_change); |
1da177e4 | 226 | } |
fbf2671b | 227 | static DEVICE_ATTR_RO(topology_change); |
1da177e4 | 228 | |
fbf2671b | 229 | static ssize_t topology_change_detected_show(struct device *d, |
43cb76d9 GKH |
230 | struct device_attribute *attr, |
231 | char *buf) | |
1da177e4 | 232 | { |
43cb76d9 | 233 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
234 | return sprintf(buf, "%d\n", br->topology_change_detected); |
235 | } | |
fbf2671b | 236 | static DEVICE_ATTR_RO(topology_change_detected); |
1da177e4 | 237 | |
fbf2671b | 238 | static ssize_t hello_timer_show(struct device *d, |
43cb76d9 | 239 | struct device_attribute *attr, char *buf) |
1da177e4 | 240 | { |
43cb76d9 | 241 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
242 | return sprintf(buf, "%ld\n", br_timer_value(&br->hello_timer)); |
243 | } | |
fbf2671b | 244 | static DEVICE_ATTR_RO(hello_timer); |
1da177e4 | 245 | |
fbf2671b | 246 | static ssize_t tcn_timer_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 247 | char *buf) |
1da177e4 | 248 | { |
43cb76d9 | 249 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
250 | return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer)); |
251 | } | |
fbf2671b | 252 | static DEVICE_ATTR_RO(tcn_timer); |
1da177e4 | 253 | |
fbf2671b | 254 | static ssize_t topology_change_timer_show(struct device *d, |
43cb76d9 GKH |
255 | struct device_attribute *attr, |
256 | char *buf) | |
1da177e4 | 257 | { |
43cb76d9 | 258 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
259 | return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer)); |
260 | } | |
fbf2671b | 261 | static DEVICE_ATTR_RO(topology_change_timer); |
1da177e4 | 262 | |
fbf2671b | 263 | static ssize_t gc_timer_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 264 | char *buf) |
1da177e4 | 265 | { |
43cb76d9 | 266 | struct net_bridge *br = to_bridge(d); |
f7cdee8a | 267 | return sprintf(buf, "%ld\n", br_timer_value(&br->gc_work.timer)); |
1da177e4 | 268 | } |
fbf2671b | 269 | static DEVICE_ATTR_RO(gc_timer); |
1da177e4 | 270 | |
fbf2671b | 271 | static ssize_t group_addr_show(struct device *d, |
43cb76d9 | 272 | struct device_attribute *attr, char *buf) |
fda93d92 | 273 | { |
43cb76d9 | 274 | struct net_bridge *br = to_bridge(d); |
223b229b | 275 | return sprintf(buf, "%pM\n", br->group_addr); |
fda93d92 SH |
276 | } |
277 | ||
fbf2671b | 278 | static ssize_t group_addr_store(struct device *d, |
43cb76d9 GKH |
279 | struct device_attribute *attr, |
280 | const char *buf, size_t len) | |
fda93d92 | 281 | { |
43cb76d9 | 282 | struct net_bridge *br = to_bridge(d); |
4197f24b | 283 | u8 new_addr[6]; |
fda93d92 | 284 | |
cb990503 | 285 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
fda93d92 SH |
286 | return -EPERM; |
287 | ||
223b229b | 288 | if (!mac_pton(buf, new_addr)) |
fda93d92 SH |
289 | return -EINVAL; |
290 | ||
46acc460 | 291 | if (!is_link_local_ether_addr(new_addr)) |
fda93d92 SH |
292 | return -EINVAL; |
293 | ||
f64f9e71 JP |
294 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
295 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
296 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
297 | return -EINVAL; |
298 | ||
204177f3 TM |
299 | if (!rtnl_trylock()) |
300 | return restart_syscall(); | |
301 | ||
fda93d92 | 302 | spin_lock_bh(&br->lock); |
223b229b | 303 | ether_addr_copy(br->group_addr, new_addr); |
fda93d92 | 304 | spin_unlock_bh(&br->lock); |
204177f3 | 305 | |
be3664a0 | 306 | br_opt_toggle(br, BROPT_GROUP_ADDR_SET, true); |
204177f3 | 307 | br_recalculate_fwd_mask(br); |
047831a9 | 308 | netdev_state_change(br->dev); |
204177f3 TM |
309 | |
310 | rtnl_unlock(); | |
311 | ||
fda93d92 SH |
312 | return len; |
313 | } | |
314 | ||
fbf2671b | 315 | static DEVICE_ATTR_RW(group_addr); |
fda93d92 | 316 | |
14f31bb3 XL |
317 | static int set_flush(struct net_bridge *br, unsigned long val) |
318 | { | |
319 | br_fdb_flush(br); | |
320 | return 0; | |
321 | } | |
322 | ||
fbf2671b | 323 | static ssize_t flush_store(struct device *d, |
9cf63747 SH |
324 | struct device_attribute *attr, |
325 | const char *buf, size_t len) | |
326 | { | |
14f31bb3 | 327 | return store_bridge_parm(d, buf, len, set_flush); |
9cf63747 | 328 | } |
fbf2671b | 329 | static DEVICE_ATTR_WO(flush); |
fda93d92 | 330 | |
0909e117 | 331 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
fbf2671b | 332 | static ssize_t multicast_router_show(struct device *d, |
0909e117 HX |
333 | struct device_attribute *attr, char *buf) |
334 | { | |
335 | struct net_bridge *br = to_bridge(d); | |
336 | return sprintf(buf, "%d\n", br->multicast_router); | |
337 | } | |
338 | ||
fbf2671b | 339 | static ssize_t multicast_router_store(struct device *d, |
0909e117 HX |
340 | struct device_attribute *attr, |
341 | const char *buf, size_t len) | |
342 | { | |
343 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
344 | } | |
fbf2671b | 345 | static DEVICE_ATTR_RW(multicast_router); |
561f1103 | 346 | |
fbf2671b | 347 | static ssize_t multicast_snooping_show(struct device *d, |
561f1103 HX |
348 | struct device_attribute *attr, |
349 | char *buf) | |
350 | { | |
351 | struct net_bridge *br = to_bridge(d); | |
13cefad2 | 352 | return sprintf(buf, "%d\n", br_opt_get(br, BROPT_MULTICAST_ENABLED)); |
561f1103 HX |
353 | } |
354 | ||
fbf2671b | 355 | static ssize_t multicast_snooping_store(struct device *d, |
561f1103 HX |
356 | struct device_attribute *attr, |
357 | const char *buf, size_t len) | |
358 | { | |
359 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
360 | } | |
fbf2671b | 361 | static DEVICE_ATTR_RW(multicast_snooping); |
b195167f | 362 | |
fbf2671b | 363 | static ssize_t multicast_query_use_ifaddr_show(struct device *d, |
364 | struct device_attribute *attr, | |
365 | char *buf) | |
1c8ad5bf CW |
366 | { |
367 | struct net_bridge *br = to_bridge(d); | |
675779ad NA |
368 | return sprintf(buf, "%d\n", |
369 | br_opt_get(br, BROPT_MULTICAST_QUERY_USE_IFADDR)); | |
1c8ad5bf CW |
370 | } |
371 | ||
372 | static int set_query_use_ifaddr(struct net_bridge *br, unsigned long val) | |
373 | { | |
675779ad | 374 | br_opt_toggle(br, BROPT_MULTICAST_QUERY_USE_IFADDR, !!val); |
1c8ad5bf CW |
375 | return 0; |
376 | } | |
377 | ||
378 | static ssize_t | |
fbf2671b | 379 | multicast_query_use_ifaddr_store(struct device *d, |
1c8ad5bf CW |
380 | struct device_attribute *attr, |
381 | const char *buf, size_t len) | |
382 | { | |
383 | return store_bridge_parm(d, buf, len, set_query_use_ifaddr); | |
384 | } | |
fbf2671b | 385 | static DEVICE_ATTR_RW(multicast_query_use_ifaddr); |
1c8ad5bf | 386 | |
fbf2671b | 387 | static ssize_t multicast_querier_show(struct device *d, |
c5c23260 HX |
388 | struct device_attribute *attr, |
389 | char *buf) | |
390 | { | |
391 | struct net_bridge *br = to_bridge(d); | |
675779ad | 392 | return sprintf(buf, "%d\n", br_opt_get(br, BROPT_MULTICAST_QUERIER)); |
c5c23260 HX |
393 | } |
394 | ||
fbf2671b | 395 | static ssize_t multicast_querier_store(struct device *d, |
c5c23260 HX |
396 | struct device_attribute *attr, |
397 | const char *buf, size_t len) | |
398 | { | |
399 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
400 | } | |
fbf2671b | 401 | static DEVICE_ATTR_RW(multicast_querier); |
c5c23260 | 402 | |
fbf2671b | 403 | static ssize_t hash_elasticity_show(struct device *d, |
b195167f HX |
404 | struct device_attribute *attr, char *buf) |
405 | { | |
406 | struct net_bridge *br = to_bridge(d); | |
407 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
408 | } | |
409 | ||
410 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
411 | { | |
412 | br->hash_elasticity = val; | |
413 | return 0; | |
414 | } | |
415 | ||
fbf2671b | 416 | static ssize_t hash_elasticity_store(struct device *d, |
b195167f HX |
417 | struct device_attribute *attr, |
418 | const char *buf, size_t len) | |
419 | { | |
420 | return store_bridge_parm(d, buf, len, set_elasticity); | |
421 | } | |
fbf2671b | 422 | static DEVICE_ATTR_RW(hash_elasticity); |
b195167f | 423 | |
fbf2671b | 424 | static ssize_t hash_max_show(struct device *d, struct device_attribute *attr, |
b195167f HX |
425 | char *buf) |
426 | { | |
427 | struct net_bridge *br = to_bridge(d); | |
428 | return sprintf(buf, "%u\n", br->hash_max); | |
429 | } | |
430 | ||
fbf2671b | 431 | static ssize_t hash_max_store(struct device *d, struct device_attribute *attr, |
b195167f HX |
432 | const char *buf, size_t len) |
433 | { | |
434 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
435 | } | |
fbf2671b | 436 | static DEVICE_ATTR_RW(hash_max); |
d902eee4 | 437 | |
5e923585 NA |
438 | static ssize_t multicast_igmp_version_show(struct device *d, |
439 | struct device_attribute *attr, | |
440 | char *buf) | |
441 | { | |
442 | struct net_bridge *br = to_bridge(d); | |
443 | ||
444 | return sprintf(buf, "%u\n", br->multicast_igmp_version); | |
445 | } | |
446 | ||
447 | static ssize_t multicast_igmp_version_store(struct device *d, | |
448 | struct device_attribute *attr, | |
449 | const char *buf, size_t len) | |
450 | { | |
451 | return store_bridge_parm(d, buf, len, br_multicast_set_igmp_version); | |
452 | } | |
453 | static DEVICE_ATTR_RW(multicast_igmp_version); | |
454 | ||
fbf2671b | 455 | static ssize_t multicast_last_member_count_show(struct device *d, |
d902eee4 HX |
456 | struct device_attribute *attr, |
457 | char *buf) | |
458 | { | |
459 | struct net_bridge *br = to_bridge(d); | |
460 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
461 | } | |
462 | ||
463 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
464 | { | |
465 | br->multicast_last_member_count = val; | |
466 | return 0; | |
467 | } | |
468 | ||
fbf2671b | 469 | static ssize_t multicast_last_member_count_store(struct device *d, |
d902eee4 HX |
470 | struct device_attribute *attr, |
471 | const char *buf, size_t len) | |
472 | { | |
473 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
474 | } | |
fbf2671b | 475 | static DEVICE_ATTR_RW(multicast_last_member_count); |
d902eee4 | 476 | |
fbf2671b | 477 | static ssize_t multicast_startup_query_count_show( |
d902eee4 HX |
478 | struct device *d, struct device_attribute *attr, char *buf) |
479 | { | |
480 | struct net_bridge *br = to_bridge(d); | |
481 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
482 | } | |
483 | ||
484 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
485 | { | |
486 | br->multicast_startup_query_count = val; | |
487 | return 0; | |
488 | } | |
489 | ||
fbf2671b | 490 | static ssize_t multicast_startup_query_count_store( |
d902eee4 HX |
491 | struct device *d, struct device_attribute *attr, const char *buf, |
492 | size_t len) | |
493 | { | |
494 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
495 | } | |
fbf2671b | 496 | static DEVICE_ATTR_RW(multicast_startup_query_count); |
d902eee4 | 497 | |
fbf2671b | 498 | static ssize_t multicast_last_member_interval_show( |
d902eee4 HX |
499 | struct device *d, struct device_attribute *attr, char *buf) |
500 | { | |
501 | struct net_bridge *br = to_bridge(d); | |
502 | return sprintf(buf, "%lu\n", | |
503 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
504 | } | |
505 | ||
506 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
507 | { | |
508 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
509 | return 0; | |
510 | } | |
511 | ||
fbf2671b | 512 | static ssize_t multicast_last_member_interval_store( |
d902eee4 HX |
513 | struct device *d, struct device_attribute *attr, const char *buf, |
514 | size_t len) | |
515 | { | |
516 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
517 | } | |
fbf2671b | 518 | static DEVICE_ATTR_RW(multicast_last_member_interval); |
d902eee4 | 519 | |
fbf2671b | 520 | static ssize_t multicast_membership_interval_show( |
d902eee4 HX |
521 | struct device *d, struct device_attribute *attr, char *buf) |
522 | { | |
523 | struct net_bridge *br = to_bridge(d); | |
524 | return sprintf(buf, "%lu\n", | |
525 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
526 | } | |
527 | ||
528 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
529 | { | |
530 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
531 | return 0; | |
532 | } | |
533 | ||
fbf2671b | 534 | static ssize_t multicast_membership_interval_store( |
d902eee4 HX |
535 | struct device *d, struct device_attribute *attr, const char *buf, |
536 | size_t len) | |
537 | { | |
538 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
539 | } | |
fbf2671b | 540 | static DEVICE_ATTR_RW(multicast_membership_interval); |
d902eee4 | 541 | |
fbf2671b | 542 | static ssize_t multicast_querier_interval_show(struct device *d, |
d902eee4 HX |
543 | struct device_attribute *attr, |
544 | char *buf) | |
545 | { | |
546 | struct net_bridge *br = to_bridge(d); | |
547 | return sprintf(buf, "%lu\n", | |
548 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
549 | } | |
550 | ||
551 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
552 | { | |
553 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
554 | return 0; | |
555 | } | |
556 | ||
fbf2671b | 557 | static ssize_t multicast_querier_interval_store(struct device *d, |
d902eee4 HX |
558 | struct device_attribute *attr, |
559 | const char *buf, size_t len) | |
560 | { | |
561 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
562 | } | |
fbf2671b | 563 | static DEVICE_ATTR_RW(multicast_querier_interval); |
d902eee4 | 564 | |
fbf2671b | 565 | static ssize_t multicast_query_interval_show(struct device *d, |
d902eee4 HX |
566 | struct device_attribute *attr, |
567 | char *buf) | |
568 | { | |
569 | struct net_bridge *br = to_bridge(d); | |
570 | return sprintf(buf, "%lu\n", | |
571 | jiffies_to_clock_t(br->multicast_query_interval)); | |
572 | } | |
573 | ||
574 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
575 | { | |
576 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
577 | return 0; | |
578 | } | |
579 | ||
fbf2671b | 580 | static ssize_t multicast_query_interval_store(struct device *d, |
d902eee4 HX |
581 | struct device_attribute *attr, |
582 | const char *buf, size_t len) | |
583 | { | |
584 | return store_bridge_parm(d, buf, len, set_query_interval); | |
585 | } | |
fbf2671b | 586 | static DEVICE_ATTR_RW(multicast_query_interval); |
d902eee4 | 587 | |
fbf2671b | 588 | static ssize_t multicast_query_response_interval_show( |
d902eee4 HX |
589 | struct device *d, struct device_attribute *attr, char *buf) |
590 | { | |
591 | struct net_bridge *br = to_bridge(d); | |
592 | return sprintf( | |
593 | buf, "%lu\n", | |
594 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
595 | } | |
596 | ||
597 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
598 | { | |
599 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
600 | return 0; | |
601 | } | |
602 | ||
fbf2671b | 603 | static ssize_t multicast_query_response_interval_store( |
d902eee4 HX |
604 | struct device *d, struct device_attribute *attr, const char *buf, |
605 | size_t len) | |
606 | { | |
607 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
608 | } | |
fbf2671b | 609 | static DEVICE_ATTR_RW(multicast_query_response_interval); |
d902eee4 | 610 | |
fbf2671b | 611 | static ssize_t multicast_startup_query_interval_show( |
d902eee4 HX |
612 | struct device *d, struct device_attribute *attr, char *buf) |
613 | { | |
614 | struct net_bridge *br = to_bridge(d); | |
615 | return sprintf( | |
616 | buf, "%lu\n", | |
617 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
618 | } | |
619 | ||
620 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
621 | { | |
622 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
623 | return 0; | |
624 | } | |
625 | ||
fbf2671b | 626 | static ssize_t multicast_startup_query_interval_store( |
d902eee4 HX |
627 | struct device *d, struct device_attribute *attr, const char *buf, |
628 | size_t len) | |
629 | { | |
630 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
631 | } | |
fbf2671b | 632 | static DEVICE_ATTR_RW(multicast_startup_query_interval); |
1080ab95 NA |
633 | |
634 | static ssize_t multicast_stats_enabled_show(struct device *d, | |
635 | struct device_attribute *attr, | |
636 | char *buf) | |
637 | { | |
638 | struct net_bridge *br = to_bridge(d); | |
639 | ||
675779ad NA |
640 | return sprintf(buf, "%d\n", |
641 | br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)); | |
1080ab95 NA |
642 | } |
643 | ||
644 | static int set_stats_enabled(struct net_bridge *br, unsigned long val) | |
645 | { | |
675779ad | 646 | br_opt_toggle(br, BROPT_MULTICAST_STATS_ENABLED, !!val); |
1080ab95 NA |
647 | return 0; |
648 | } | |
649 | ||
650 | static ssize_t multicast_stats_enabled_store(struct device *d, | |
651 | struct device_attribute *attr, | |
652 | const char *buf, | |
653 | size_t len) | |
654 | { | |
655 | return store_bridge_parm(d, buf, len, set_stats_enabled); | |
656 | } | |
657 | static DEVICE_ATTR_RW(multicast_stats_enabled); | |
aa2ae3e7 NA |
658 | |
659 | #if IS_ENABLED(CONFIG_IPV6) | |
660 | static ssize_t multicast_mld_version_show(struct device *d, | |
661 | struct device_attribute *attr, | |
662 | char *buf) | |
663 | { | |
664 | struct net_bridge *br = to_bridge(d); | |
665 | ||
666 | return sprintf(buf, "%u\n", br->multicast_mld_version); | |
667 | } | |
668 | ||
669 | static ssize_t multicast_mld_version_store(struct device *d, | |
670 | struct device_attribute *attr, | |
671 | const char *buf, size_t len) | |
672 | { | |
673 | return store_bridge_parm(d, buf, len, br_multicast_set_mld_version); | |
674 | } | |
675 | static DEVICE_ATTR_RW(multicast_mld_version); | |
676 | #endif | |
0909e117 | 677 | #endif |
34666d46 | 678 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
fbf2671b | 679 | static ssize_t nf_call_iptables_show( |
4df53d8b PM |
680 | struct device *d, struct device_attribute *attr, char *buf) |
681 | { | |
682 | struct net_bridge *br = to_bridge(d); | |
8df3510f | 683 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_NF_CALL_IPTABLES)); |
4df53d8b PM |
684 | } |
685 | ||
686 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
687 | { | |
8df3510f | 688 | br_opt_toggle(br, BROPT_NF_CALL_IPTABLES, !!val); |
4df53d8b PM |
689 | return 0; |
690 | } | |
691 | ||
fbf2671b | 692 | static ssize_t nf_call_iptables_store( |
4df53d8b PM |
693 | struct device *d, struct device_attribute *attr, const char *buf, |
694 | size_t len) | |
695 | { | |
696 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
697 | } | |
fbf2671b | 698 | static DEVICE_ATTR_RW(nf_call_iptables); |
4df53d8b | 699 | |
fbf2671b | 700 | static ssize_t nf_call_ip6tables_show( |
4df53d8b PM |
701 | struct device *d, struct device_attribute *attr, char *buf) |
702 | { | |
703 | struct net_bridge *br = to_bridge(d); | |
8df3510f | 704 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_NF_CALL_IP6TABLES)); |
4df53d8b PM |
705 | } |
706 | ||
707 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
708 | { | |
8df3510f | 709 | br_opt_toggle(br, BROPT_NF_CALL_IP6TABLES, !!val); |
4df53d8b PM |
710 | return 0; |
711 | } | |
712 | ||
fbf2671b | 713 | static ssize_t nf_call_ip6tables_store( |
4df53d8b PM |
714 | struct device *d, struct device_attribute *attr, const char *buf, |
715 | size_t len) | |
716 | { | |
717 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
718 | } | |
fbf2671b | 719 | static DEVICE_ATTR_RW(nf_call_ip6tables); |
4df53d8b | 720 | |
fbf2671b | 721 | static ssize_t nf_call_arptables_show( |
4df53d8b PM |
722 | struct device *d, struct device_attribute *attr, char *buf) |
723 | { | |
724 | struct net_bridge *br = to_bridge(d); | |
8df3510f | 725 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_NF_CALL_ARPTABLES)); |
4df53d8b PM |
726 | } |
727 | ||
728 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
729 | { | |
8df3510f | 730 | br_opt_toggle(br, BROPT_NF_CALL_ARPTABLES, !!val); |
4df53d8b PM |
731 | return 0; |
732 | } | |
733 | ||
fbf2671b | 734 | static ssize_t nf_call_arptables_store( |
4df53d8b PM |
735 | struct device *d, struct device_attribute *attr, const char *buf, |
736 | size_t len) | |
737 | { | |
738 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
739 | } | |
fbf2671b | 740 | static DEVICE_ATTR_RW(nf_call_arptables); |
4df53d8b | 741 | #endif |
243a2e63 | 742 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
fbf2671b | 743 | static ssize_t vlan_filtering_show(struct device *d, |
243a2e63 VY |
744 | struct device_attribute *attr, |
745 | char *buf) | |
746 | { | |
747 | struct net_bridge *br = to_bridge(d); | |
ae75767e | 748 | return sprintf(buf, "%d\n", br_opt_get(br, BROPT_VLAN_ENABLED)); |
243a2e63 VY |
749 | } |
750 | ||
fbf2671b | 751 | static ssize_t vlan_filtering_store(struct device *d, |
243a2e63 VY |
752 | struct device_attribute *attr, |
753 | const char *buf, size_t len) | |
754 | { | |
755 | return store_bridge_parm(d, buf, len, br_vlan_filter_toggle); | |
756 | } | |
fbf2671b | 757 | static DEVICE_ATTR_RW(vlan_filtering); |
204177f3 TM |
758 | |
759 | static ssize_t vlan_protocol_show(struct device *d, | |
760 | struct device_attribute *attr, | |
761 | char *buf) | |
762 | { | |
763 | struct net_bridge *br = to_bridge(d); | |
764 | return sprintf(buf, "%#06x\n", ntohs(br->vlan_proto)); | |
765 | } | |
766 | ||
767 | static ssize_t vlan_protocol_store(struct device *d, | |
768 | struct device_attribute *attr, | |
769 | const char *buf, size_t len) | |
770 | { | |
771 | return store_bridge_parm(d, buf, len, br_vlan_set_proto); | |
772 | } | |
773 | static DEVICE_ATTR_RW(vlan_protocol); | |
96a20d9d VY |
774 | |
775 | static ssize_t default_pvid_show(struct device *d, | |
776 | struct device_attribute *attr, | |
777 | char *buf) | |
778 | { | |
779 | struct net_bridge *br = to_bridge(d); | |
780 | return sprintf(buf, "%d\n", br->default_pvid); | |
781 | } | |
782 | ||
783 | static ssize_t default_pvid_store(struct device *d, | |
784 | struct device_attribute *attr, | |
785 | const char *buf, size_t len) | |
786 | { | |
787 | return store_bridge_parm(d, buf, len, br_vlan_set_default_pvid); | |
788 | } | |
789 | static DEVICE_ATTR_RW(default_pvid); | |
6dada9b1 NA |
790 | |
791 | static ssize_t vlan_stats_enabled_show(struct device *d, | |
792 | struct device_attribute *attr, | |
793 | char *buf) | |
794 | { | |
795 | struct net_bridge *br = to_bridge(d); | |
ae75767e | 796 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_VLAN_STATS_ENABLED)); |
6dada9b1 NA |
797 | } |
798 | ||
799 | static ssize_t vlan_stats_enabled_store(struct device *d, | |
800 | struct device_attribute *attr, | |
801 | const char *buf, size_t len) | |
802 | { | |
803 | return store_bridge_parm(d, buf, len, br_vlan_set_stats); | |
804 | } | |
805 | static DEVICE_ATTR_RW(vlan_stats_enabled); | |
9163a0fc NA |
806 | |
807 | static ssize_t vlan_stats_per_port_show(struct device *d, | |
808 | struct device_attribute *attr, | |
809 | char *buf) | |
810 | { | |
811 | struct net_bridge *br = to_bridge(d); | |
812 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_VLAN_STATS_PER_PORT)); | |
813 | } | |
814 | ||
815 | static ssize_t vlan_stats_per_port_store(struct device *d, | |
816 | struct device_attribute *attr, | |
817 | const char *buf, size_t len) | |
818 | { | |
819 | return store_bridge_parm(d, buf, len, br_vlan_set_stats_per_port); | |
820 | } | |
821 | static DEVICE_ATTR_RW(vlan_stats_per_port); | |
243a2e63 | 822 | #endif |
0909e117 | 823 | |
1da177e4 | 824 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
825 | &dev_attr_forward_delay.attr, |
826 | &dev_attr_hello_time.attr, | |
827 | &dev_attr_max_age.attr, | |
828 | &dev_attr_ageing_time.attr, | |
829 | &dev_attr_stp_state.attr, | |
515853cc | 830 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
831 | &dev_attr_priority.attr, |
832 | &dev_attr_bridge_id.attr, | |
833 | &dev_attr_root_id.attr, | |
834 | &dev_attr_root_path_cost.attr, | |
835 | &dev_attr_root_port.attr, | |
836 | &dev_attr_topology_change.attr, | |
837 | &dev_attr_topology_change_detected.attr, | |
838 | &dev_attr_hello_timer.attr, | |
839 | &dev_attr_tcn_timer.attr, | |
840 | &dev_attr_topology_change_timer.attr, | |
841 | &dev_attr_gc_timer.attr, | |
842 | &dev_attr_group_addr.attr, | |
9cf63747 | 843 | &dev_attr_flush.attr, |
0909e117 HX |
844 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
845 | &dev_attr_multicast_router.attr, | |
561f1103 | 846 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 847 | &dev_attr_multicast_querier.attr, |
1c8ad5bf | 848 | &dev_attr_multicast_query_use_ifaddr.attr, |
b195167f HX |
849 | &dev_attr_hash_elasticity.attr, |
850 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
851 | &dev_attr_multicast_last_member_count.attr, |
852 | &dev_attr_multicast_startup_query_count.attr, | |
853 | &dev_attr_multicast_last_member_interval.attr, | |
854 | &dev_attr_multicast_membership_interval.attr, | |
855 | &dev_attr_multicast_querier_interval.attr, | |
856 | &dev_attr_multicast_query_interval.attr, | |
857 | &dev_attr_multicast_query_response_interval.attr, | |
858 | &dev_attr_multicast_startup_query_interval.attr, | |
1080ab95 | 859 | &dev_attr_multicast_stats_enabled.attr, |
5e923585 | 860 | &dev_attr_multicast_igmp_version.attr, |
aa2ae3e7 NA |
861 | #if IS_ENABLED(CONFIG_IPV6) |
862 | &dev_attr_multicast_mld_version.attr, | |
863 | #endif | |
4df53d8b | 864 | #endif |
34666d46 | 865 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
4df53d8b PM |
866 | &dev_attr_nf_call_iptables.attr, |
867 | &dev_attr_nf_call_ip6tables.attr, | |
868 | &dev_attr_nf_call_arptables.attr, | |
243a2e63 VY |
869 | #endif |
870 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
871 | &dev_attr_vlan_filtering.attr, | |
204177f3 | 872 | &dev_attr_vlan_protocol.attr, |
96a20d9d | 873 | &dev_attr_default_pvid.attr, |
6dada9b1 | 874 | &dev_attr_vlan_stats_enabled.attr, |
9163a0fc | 875 | &dev_attr_vlan_stats_per_port.attr, |
0909e117 | 876 | #endif |
1da177e4 LT |
877 | NULL |
878 | }; | |
879 | ||
cddbb79f | 880 | static const struct attribute_group bridge_group = { |
1da177e4 LT |
881 | .name = SYSFS_BRIDGE_ATTR, |
882 | .attrs = bridge_attrs, | |
883 | }; | |
884 | ||
885 | /* | |
886 | * Export the forwarding information table as a binary file | |
887 | * The records are struct __fdb_entry. | |
888 | * | |
889 | * Returns the number of bytes read. | |
890 | */ | |
2c3c8bea | 891 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
892 | struct bin_attribute *bin_attr, |
893 | char *buf, loff_t off, size_t count) | |
1da177e4 | 894 | { |
aeb7ed14 | 895 | struct device *dev = kobj_to_dev(kobj); |
43cb76d9 | 896 | struct net_bridge *br = to_bridge(dev); |
1da177e4 LT |
897 | int n; |
898 | ||
899 | /* must read whole records */ | |
900 | if (off % sizeof(struct __fdb_entry) != 0) | |
901 | return -EINVAL; | |
902 | ||
9d6f229f | 903 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
904 | count / sizeof(struct __fdb_entry), |
905 | off / sizeof(struct __fdb_entry)); | |
906 | ||
907 | if (n > 0) | |
908 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 909 | |
1da177e4 LT |
910 | return n; |
911 | } | |
912 | ||
913 | static struct bin_attribute bridge_forward = { | |
914 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
d6444062 | 915 | .mode = 0444, }, |
1da177e4 LT |
916 | .read = brforward_read, |
917 | }; | |
918 | ||
919 | /* | |
920 | * Add entries in sysfs onto the existing network class device | |
921 | * for the bridge. | |
922 | * Adds a attribute group "bridge" containing tuning parameters. | |
923 | * Binary attribute containing the forward table | |
924 | * Sub directory to hold links to interfaces. | |
925 | * | |
926 | * Note: the ifobj exists only to be a subdirectory | |
927 | * to hold links. The ifobj exists in same data structure | |
928 | * as it's parent the bridge so reference counting works. | |
929 | */ | |
930 | int br_sysfs_addbr(struct net_device *dev) | |
931 | { | |
43cb76d9 | 932 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
933 | struct net_bridge *br = netdev_priv(dev); |
934 | int err; | |
935 | ||
936 | err = sysfs_create_group(brobj, &bridge_group); | |
937 | if (err) { | |
938 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 939 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
940 | goto out1; |
941 | } | |
942 | ||
943 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
944 | if (err) { | |
1842c4be | 945 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 946 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
947 | goto out2; |
948 | } | |
949 | ||
43b98c4a GKH |
950 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
951 | if (!br->ifobj) { | |
1da177e4 | 952 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 953 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
b5958963 | 954 | err = -ENOMEM; |
1da177e4 LT |
955 | goto out3; |
956 | } | |
957 | return 0; | |
958 | out3: | |
43cb76d9 | 959 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 960 | out2: |
43cb76d9 | 961 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
962 | out1: |
963 | return err; | |
964 | ||
965 | } | |
966 | ||
967 | void br_sysfs_delbr(struct net_device *dev) | |
968 | { | |
43cb76d9 | 969 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
970 | struct net_bridge *br = netdev_priv(dev); |
971 | ||
78a2d906 | 972 | kobject_put(br->ifobj); |
1da177e4 LT |
973 | sysfs_remove_bin_file(kobj, &bridge_forward); |
974 | sysfs_remove_group(kobj, &bridge_group); | |
975 | } |