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 | |
70e4272b NA |
331 | static ssize_t no_linklocal_learn_show(struct device *d, |
332 | struct device_attribute *attr, | |
333 | char *buf) | |
334 | { | |
335 | struct net_bridge *br = to_bridge(d); | |
336 | return sprintf(buf, "%d\n", br_boolopt_get(br, BR_BOOLOPT_NO_LL_LEARN)); | |
337 | } | |
338 | ||
339 | static int set_no_linklocal_learn(struct net_bridge *br, unsigned long val) | |
340 | { | |
341 | return br_boolopt_toggle(br, BR_BOOLOPT_NO_LL_LEARN, !!val, NULL); | |
342 | } | |
343 | ||
344 | static ssize_t no_linklocal_learn_store(struct device *d, | |
345 | struct device_attribute *attr, | |
346 | const char *buf, size_t len) | |
347 | { | |
348 | return store_bridge_parm(d, buf, len, set_no_linklocal_learn); | |
349 | } | |
350 | static DEVICE_ATTR_RW(no_linklocal_learn); | |
351 | ||
0909e117 | 352 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
fbf2671b | 353 | static ssize_t multicast_router_show(struct device *d, |
0909e117 HX |
354 | struct device_attribute *attr, char *buf) |
355 | { | |
356 | struct net_bridge *br = to_bridge(d); | |
357 | return sprintf(buf, "%d\n", br->multicast_router); | |
358 | } | |
359 | ||
fbf2671b | 360 | static ssize_t multicast_router_store(struct device *d, |
0909e117 HX |
361 | struct device_attribute *attr, |
362 | const char *buf, size_t len) | |
363 | { | |
364 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
365 | } | |
fbf2671b | 366 | static DEVICE_ATTR_RW(multicast_router); |
561f1103 | 367 | |
fbf2671b | 368 | static ssize_t multicast_snooping_show(struct device *d, |
561f1103 HX |
369 | struct device_attribute *attr, |
370 | char *buf) | |
371 | { | |
372 | struct net_bridge *br = to_bridge(d); | |
13cefad2 | 373 | return sprintf(buf, "%d\n", br_opt_get(br, BROPT_MULTICAST_ENABLED)); |
561f1103 HX |
374 | } |
375 | ||
fbf2671b | 376 | static ssize_t multicast_snooping_store(struct device *d, |
561f1103 HX |
377 | struct device_attribute *attr, |
378 | const char *buf, size_t len) | |
379 | { | |
380 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
381 | } | |
fbf2671b | 382 | static DEVICE_ATTR_RW(multicast_snooping); |
b195167f | 383 | |
fbf2671b | 384 | static ssize_t multicast_query_use_ifaddr_show(struct device *d, |
385 | struct device_attribute *attr, | |
386 | char *buf) | |
1c8ad5bf CW |
387 | { |
388 | struct net_bridge *br = to_bridge(d); | |
675779ad NA |
389 | return sprintf(buf, "%d\n", |
390 | br_opt_get(br, BROPT_MULTICAST_QUERY_USE_IFADDR)); | |
1c8ad5bf CW |
391 | } |
392 | ||
393 | static int set_query_use_ifaddr(struct net_bridge *br, unsigned long val) | |
394 | { | |
675779ad | 395 | br_opt_toggle(br, BROPT_MULTICAST_QUERY_USE_IFADDR, !!val); |
1c8ad5bf CW |
396 | return 0; |
397 | } | |
398 | ||
399 | static ssize_t | |
fbf2671b | 400 | multicast_query_use_ifaddr_store(struct device *d, |
1c8ad5bf CW |
401 | struct device_attribute *attr, |
402 | const char *buf, size_t len) | |
403 | { | |
404 | return store_bridge_parm(d, buf, len, set_query_use_ifaddr); | |
405 | } | |
fbf2671b | 406 | static DEVICE_ATTR_RW(multicast_query_use_ifaddr); |
1c8ad5bf | 407 | |
fbf2671b | 408 | static ssize_t multicast_querier_show(struct device *d, |
c5c23260 HX |
409 | struct device_attribute *attr, |
410 | char *buf) | |
411 | { | |
412 | struct net_bridge *br = to_bridge(d); | |
675779ad | 413 | return sprintf(buf, "%d\n", br_opt_get(br, BROPT_MULTICAST_QUERIER)); |
c5c23260 HX |
414 | } |
415 | ||
fbf2671b | 416 | static ssize_t multicast_querier_store(struct device *d, |
c5c23260 HX |
417 | struct device_attribute *attr, |
418 | const char *buf, size_t len) | |
419 | { | |
420 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
421 | } | |
fbf2671b | 422 | static DEVICE_ATTR_RW(multicast_querier); |
c5c23260 | 423 | |
fbf2671b | 424 | static ssize_t hash_elasticity_show(struct device *d, |
b195167f HX |
425 | struct device_attribute *attr, char *buf) |
426 | { | |
427 | struct net_bridge *br = to_bridge(d); | |
428 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
429 | } | |
430 | ||
431 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
432 | { | |
433 | br->hash_elasticity = val; | |
434 | return 0; | |
435 | } | |
436 | ||
fbf2671b | 437 | static ssize_t hash_elasticity_store(struct device *d, |
b195167f HX |
438 | struct device_attribute *attr, |
439 | const char *buf, size_t len) | |
440 | { | |
441 | return store_bridge_parm(d, buf, len, set_elasticity); | |
442 | } | |
fbf2671b | 443 | static DEVICE_ATTR_RW(hash_elasticity); |
b195167f | 444 | |
fbf2671b | 445 | static ssize_t hash_max_show(struct device *d, struct device_attribute *attr, |
b195167f HX |
446 | char *buf) |
447 | { | |
448 | struct net_bridge *br = to_bridge(d); | |
449 | return sprintf(buf, "%u\n", br->hash_max); | |
450 | } | |
451 | ||
19e3a9c9 NA |
452 | static int set_hash_max(struct net_bridge *br, unsigned long val) |
453 | { | |
454 | br->hash_max = val; | |
455 | return 0; | |
456 | } | |
457 | ||
fbf2671b | 458 | static ssize_t hash_max_store(struct device *d, struct device_attribute *attr, |
b195167f HX |
459 | const char *buf, size_t len) |
460 | { | |
19e3a9c9 | 461 | return store_bridge_parm(d, buf, len, set_hash_max); |
b195167f | 462 | } |
fbf2671b | 463 | static DEVICE_ATTR_RW(hash_max); |
d902eee4 | 464 | |
5e923585 NA |
465 | static ssize_t multicast_igmp_version_show(struct device *d, |
466 | struct device_attribute *attr, | |
467 | char *buf) | |
468 | { | |
469 | struct net_bridge *br = to_bridge(d); | |
470 | ||
471 | return sprintf(buf, "%u\n", br->multicast_igmp_version); | |
472 | } | |
473 | ||
474 | static ssize_t multicast_igmp_version_store(struct device *d, | |
475 | struct device_attribute *attr, | |
476 | const char *buf, size_t len) | |
477 | { | |
478 | return store_bridge_parm(d, buf, len, br_multicast_set_igmp_version); | |
479 | } | |
480 | static DEVICE_ATTR_RW(multicast_igmp_version); | |
481 | ||
fbf2671b | 482 | static ssize_t multicast_last_member_count_show(struct device *d, |
d902eee4 HX |
483 | struct device_attribute *attr, |
484 | char *buf) | |
485 | { | |
486 | struct net_bridge *br = to_bridge(d); | |
487 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
488 | } | |
489 | ||
490 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
491 | { | |
492 | br->multicast_last_member_count = val; | |
493 | return 0; | |
494 | } | |
495 | ||
fbf2671b | 496 | static ssize_t multicast_last_member_count_store(struct device *d, |
d902eee4 HX |
497 | struct device_attribute *attr, |
498 | const char *buf, size_t len) | |
499 | { | |
500 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
501 | } | |
fbf2671b | 502 | static DEVICE_ATTR_RW(multicast_last_member_count); |
d902eee4 | 503 | |
fbf2671b | 504 | static ssize_t multicast_startup_query_count_show( |
d902eee4 HX |
505 | struct device *d, struct device_attribute *attr, char *buf) |
506 | { | |
507 | struct net_bridge *br = to_bridge(d); | |
508 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
509 | } | |
510 | ||
511 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
512 | { | |
513 | br->multicast_startup_query_count = val; | |
514 | return 0; | |
515 | } | |
516 | ||
fbf2671b | 517 | static ssize_t multicast_startup_query_count_store( |
d902eee4 HX |
518 | struct device *d, struct device_attribute *attr, const char *buf, |
519 | size_t len) | |
520 | { | |
521 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
522 | } | |
fbf2671b | 523 | static DEVICE_ATTR_RW(multicast_startup_query_count); |
d902eee4 | 524 | |
fbf2671b | 525 | static ssize_t multicast_last_member_interval_show( |
d902eee4 HX |
526 | struct device *d, struct device_attribute *attr, char *buf) |
527 | { | |
528 | struct net_bridge *br = to_bridge(d); | |
529 | return sprintf(buf, "%lu\n", | |
530 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
531 | } | |
532 | ||
533 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
534 | { | |
535 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
536 | return 0; | |
537 | } | |
538 | ||
fbf2671b | 539 | static ssize_t multicast_last_member_interval_store( |
d902eee4 HX |
540 | struct device *d, struct device_attribute *attr, const char *buf, |
541 | size_t len) | |
542 | { | |
543 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
544 | } | |
fbf2671b | 545 | static DEVICE_ATTR_RW(multicast_last_member_interval); |
d902eee4 | 546 | |
fbf2671b | 547 | static ssize_t multicast_membership_interval_show( |
d902eee4 HX |
548 | struct device *d, struct device_attribute *attr, char *buf) |
549 | { | |
550 | struct net_bridge *br = to_bridge(d); | |
551 | return sprintf(buf, "%lu\n", | |
552 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
553 | } | |
554 | ||
555 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
556 | { | |
557 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
558 | return 0; | |
559 | } | |
560 | ||
fbf2671b | 561 | static ssize_t multicast_membership_interval_store( |
d902eee4 HX |
562 | struct device *d, struct device_attribute *attr, const char *buf, |
563 | size_t len) | |
564 | { | |
565 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
566 | } | |
fbf2671b | 567 | static DEVICE_ATTR_RW(multicast_membership_interval); |
d902eee4 | 568 | |
fbf2671b | 569 | static ssize_t multicast_querier_interval_show(struct device *d, |
d902eee4 HX |
570 | struct device_attribute *attr, |
571 | char *buf) | |
572 | { | |
573 | struct net_bridge *br = to_bridge(d); | |
574 | return sprintf(buf, "%lu\n", | |
575 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
576 | } | |
577 | ||
578 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
579 | { | |
580 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
581 | return 0; | |
582 | } | |
583 | ||
fbf2671b | 584 | static ssize_t multicast_querier_interval_store(struct device *d, |
d902eee4 HX |
585 | struct device_attribute *attr, |
586 | const char *buf, size_t len) | |
587 | { | |
588 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
589 | } | |
fbf2671b | 590 | static DEVICE_ATTR_RW(multicast_querier_interval); |
d902eee4 | 591 | |
fbf2671b | 592 | static ssize_t multicast_query_interval_show(struct device *d, |
d902eee4 HX |
593 | struct device_attribute *attr, |
594 | char *buf) | |
595 | { | |
596 | struct net_bridge *br = to_bridge(d); | |
597 | return sprintf(buf, "%lu\n", | |
598 | jiffies_to_clock_t(br->multicast_query_interval)); | |
599 | } | |
600 | ||
601 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
602 | { | |
603 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
604 | return 0; | |
605 | } | |
606 | ||
fbf2671b | 607 | static ssize_t multicast_query_interval_store(struct device *d, |
d902eee4 HX |
608 | struct device_attribute *attr, |
609 | const char *buf, size_t len) | |
610 | { | |
611 | return store_bridge_parm(d, buf, len, set_query_interval); | |
612 | } | |
fbf2671b | 613 | static DEVICE_ATTR_RW(multicast_query_interval); |
d902eee4 | 614 | |
fbf2671b | 615 | static ssize_t multicast_query_response_interval_show( |
d902eee4 HX |
616 | struct device *d, struct device_attribute *attr, char *buf) |
617 | { | |
618 | struct net_bridge *br = to_bridge(d); | |
619 | return sprintf( | |
620 | buf, "%lu\n", | |
621 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
622 | } | |
623 | ||
624 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
625 | { | |
626 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
627 | return 0; | |
628 | } | |
629 | ||
fbf2671b | 630 | static ssize_t multicast_query_response_interval_store( |
d902eee4 HX |
631 | struct device *d, struct device_attribute *attr, const char *buf, |
632 | size_t len) | |
633 | { | |
634 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
635 | } | |
fbf2671b | 636 | static DEVICE_ATTR_RW(multicast_query_response_interval); |
d902eee4 | 637 | |
fbf2671b | 638 | static ssize_t multicast_startup_query_interval_show( |
d902eee4 HX |
639 | struct device *d, struct device_attribute *attr, char *buf) |
640 | { | |
641 | struct net_bridge *br = to_bridge(d); | |
642 | return sprintf( | |
643 | buf, "%lu\n", | |
644 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
645 | } | |
646 | ||
647 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
648 | { | |
649 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
650 | return 0; | |
651 | } | |
652 | ||
fbf2671b | 653 | static ssize_t multicast_startup_query_interval_store( |
d902eee4 HX |
654 | struct device *d, struct device_attribute *attr, const char *buf, |
655 | size_t len) | |
656 | { | |
657 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
658 | } | |
fbf2671b | 659 | static DEVICE_ATTR_RW(multicast_startup_query_interval); |
1080ab95 NA |
660 | |
661 | static ssize_t multicast_stats_enabled_show(struct device *d, | |
662 | struct device_attribute *attr, | |
663 | char *buf) | |
664 | { | |
665 | struct net_bridge *br = to_bridge(d); | |
666 | ||
675779ad NA |
667 | return sprintf(buf, "%d\n", |
668 | br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)); | |
1080ab95 NA |
669 | } |
670 | ||
671 | static int set_stats_enabled(struct net_bridge *br, unsigned long val) | |
672 | { | |
675779ad | 673 | br_opt_toggle(br, BROPT_MULTICAST_STATS_ENABLED, !!val); |
1080ab95 NA |
674 | return 0; |
675 | } | |
676 | ||
677 | static ssize_t multicast_stats_enabled_store(struct device *d, | |
678 | struct device_attribute *attr, | |
679 | const char *buf, | |
680 | size_t len) | |
681 | { | |
682 | return store_bridge_parm(d, buf, len, set_stats_enabled); | |
683 | } | |
684 | static DEVICE_ATTR_RW(multicast_stats_enabled); | |
aa2ae3e7 NA |
685 | |
686 | #if IS_ENABLED(CONFIG_IPV6) | |
687 | static ssize_t multicast_mld_version_show(struct device *d, | |
688 | struct device_attribute *attr, | |
689 | char *buf) | |
690 | { | |
691 | struct net_bridge *br = to_bridge(d); | |
692 | ||
693 | return sprintf(buf, "%u\n", br->multicast_mld_version); | |
694 | } | |
695 | ||
696 | static ssize_t multicast_mld_version_store(struct device *d, | |
697 | struct device_attribute *attr, | |
698 | const char *buf, size_t len) | |
699 | { | |
700 | return store_bridge_parm(d, buf, len, br_multicast_set_mld_version); | |
701 | } | |
702 | static DEVICE_ATTR_RW(multicast_mld_version); | |
703 | #endif | |
0909e117 | 704 | #endif |
34666d46 | 705 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
fbf2671b | 706 | static ssize_t nf_call_iptables_show( |
4df53d8b PM |
707 | struct device *d, struct device_attribute *attr, char *buf) |
708 | { | |
709 | struct net_bridge *br = to_bridge(d); | |
8df3510f | 710 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_NF_CALL_IPTABLES)); |
4df53d8b PM |
711 | } |
712 | ||
713 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
714 | { | |
8df3510f | 715 | br_opt_toggle(br, BROPT_NF_CALL_IPTABLES, !!val); |
4df53d8b PM |
716 | return 0; |
717 | } | |
718 | ||
fbf2671b | 719 | static ssize_t nf_call_iptables_store( |
4df53d8b PM |
720 | struct device *d, struct device_attribute *attr, const char *buf, |
721 | size_t len) | |
722 | { | |
723 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
724 | } | |
fbf2671b | 725 | static DEVICE_ATTR_RW(nf_call_iptables); |
4df53d8b | 726 | |
fbf2671b | 727 | static ssize_t nf_call_ip6tables_show( |
4df53d8b PM |
728 | struct device *d, struct device_attribute *attr, char *buf) |
729 | { | |
730 | struct net_bridge *br = to_bridge(d); | |
8df3510f | 731 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_NF_CALL_IP6TABLES)); |
4df53d8b PM |
732 | } |
733 | ||
734 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
735 | { | |
8df3510f | 736 | br_opt_toggle(br, BROPT_NF_CALL_IP6TABLES, !!val); |
4df53d8b PM |
737 | return 0; |
738 | } | |
739 | ||
fbf2671b | 740 | static ssize_t nf_call_ip6tables_store( |
4df53d8b PM |
741 | struct device *d, struct device_attribute *attr, const char *buf, |
742 | size_t len) | |
743 | { | |
744 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
745 | } | |
fbf2671b | 746 | static DEVICE_ATTR_RW(nf_call_ip6tables); |
4df53d8b | 747 | |
fbf2671b | 748 | static ssize_t nf_call_arptables_show( |
4df53d8b PM |
749 | struct device *d, struct device_attribute *attr, char *buf) |
750 | { | |
751 | struct net_bridge *br = to_bridge(d); | |
8df3510f | 752 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_NF_CALL_ARPTABLES)); |
4df53d8b PM |
753 | } |
754 | ||
755 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
756 | { | |
8df3510f | 757 | br_opt_toggle(br, BROPT_NF_CALL_ARPTABLES, !!val); |
4df53d8b PM |
758 | return 0; |
759 | } | |
760 | ||
fbf2671b | 761 | static ssize_t nf_call_arptables_store( |
4df53d8b PM |
762 | struct device *d, struct device_attribute *attr, const char *buf, |
763 | size_t len) | |
764 | { | |
765 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
766 | } | |
fbf2671b | 767 | static DEVICE_ATTR_RW(nf_call_arptables); |
4df53d8b | 768 | #endif |
243a2e63 | 769 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
fbf2671b | 770 | static ssize_t vlan_filtering_show(struct device *d, |
243a2e63 VY |
771 | struct device_attribute *attr, |
772 | char *buf) | |
773 | { | |
774 | struct net_bridge *br = to_bridge(d); | |
ae75767e | 775 | return sprintf(buf, "%d\n", br_opt_get(br, BROPT_VLAN_ENABLED)); |
243a2e63 VY |
776 | } |
777 | ||
fbf2671b | 778 | static ssize_t vlan_filtering_store(struct device *d, |
243a2e63 VY |
779 | struct device_attribute *attr, |
780 | const char *buf, size_t len) | |
781 | { | |
782 | return store_bridge_parm(d, buf, len, br_vlan_filter_toggle); | |
783 | } | |
fbf2671b | 784 | static DEVICE_ATTR_RW(vlan_filtering); |
204177f3 TM |
785 | |
786 | static ssize_t vlan_protocol_show(struct device *d, | |
787 | struct device_attribute *attr, | |
788 | char *buf) | |
789 | { | |
790 | struct net_bridge *br = to_bridge(d); | |
791 | return sprintf(buf, "%#06x\n", ntohs(br->vlan_proto)); | |
792 | } | |
793 | ||
794 | static ssize_t vlan_protocol_store(struct device *d, | |
795 | struct device_attribute *attr, | |
796 | const char *buf, size_t len) | |
797 | { | |
798 | return store_bridge_parm(d, buf, len, br_vlan_set_proto); | |
799 | } | |
800 | static DEVICE_ATTR_RW(vlan_protocol); | |
96a20d9d VY |
801 | |
802 | static ssize_t default_pvid_show(struct device *d, | |
803 | struct device_attribute *attr, | |
804 | char *buf) | |
805 | { | |
806 | struct net_bridge *br = to_bridge(d); | |
807 | return sprintf(buf, "%d\n", br->default_pvid); | |
808 | } | |
809 | ||
810 | static ssize_t default_pvid_store(struct device *d, | |
811 | struct device_attribute *attr, | |
812 | const char *buf, size_t len) | |
813 | { | |
814 | return store_bridge_parm(d, buf, len, br_vlan_set_default_pvid); | |
815 | } | |
816 | static DEVICE_ATTR_RW(default_pvid); | |
6dada9b1 NA |
817 | |
818 | static ssize_t vlan_stats_enabled_show(struct device *d, | |
819 | struct device_attribute *attr, | |
820 | char *buf) | |
821 | { | |
822 | struct net_bridge *br = to_bridge(d); | |
ae75767e | 823 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_VLAN_STATS_ENABLED)); |
6dada9b1 NA |
824 | } |
825 | ||
826 | static ssize_t vlan_stats_enabled_store(struct device *d, | |
827 | struct device_attribute *attr, | |
828 | const char *buf, size_t len) | |
829 | { | |
830 | return store_bridge_parm(d, buf, len, br_vlan_set_stats); | |
831 | } | |
832 | static DEVICE_ATTR_RW(vlan_stats_enabled); | |
9163a0fc NA |
833 | |
834 | static ssize_t vlan_stats_per_port_show(struct device *d, | |
835 | struct device_attribute *attr, | |
836 | char *buf) | |
837 | { | |
838 | struct net_bridge *br = to_bridge(d); | |
839 | return sprintf(buf, "%u\n", br_opt_get(br, BROPT_VLAN_STATS_PER_PORT)); | |
840 | } | |
841 | ||
842 | static ssize_t vlan_stats_per_port_store(struct device *d, | |
843 | struct device_attribute *attr, | |
844 | const char *buf, size_t len) | |
845 | { | |
846 | return store_bridge_parm(d, buf, len, br_vlan_set_stats_per_port); | |
847 | } | |
848 | static DEVICE_ATTR_RW(vlan_stats_per_port); | |
243a2e63 | 849 | #endif |
0909e117 | 850 | |
1da177e4 | 851 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
852 | &dev_attr_forward_delay.attr, |
853 | &dev_attr_hello_time.attr, | |
854 | &dev_attr_max_age.attr, | |
855 | &dev_attr_ageing_time.attr, | |
856 | &dev_attr_stp_state.attr, | |
515853cc | 857 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
858 | &dev_attr_priority.attr, |
859 | &dev_attr_bridge_id.attr, | |
860 | &dev_attr_root_id.attr, | |
861 | &dev_attr_root_path_cost.attr, | |
862 | &dev_attr_root_port.attr, | |
863 | &dev_attr_topology_change.attr, | |
864 | &dev_attr_topology_change_detected.attr, | |
865 | &dev_attr_hello_timer.attr, | |
866 | &dev_attr_tcn_timer.attr, | |
867 | &dev_attr_topology_change_timer.attr, | |
868 | &dev_attr_gc_timer.attr, | |
869 | &dev_attr_group_addr.attr, | |
9cf63747 | 870 | &dev_attr_flush.attr, |
70e4272b | 871 | &dev_attr_no_linklocal_learn.attr, |
0909e117 HX |
872 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
873 | &dev_attr_multicast_router.attr, | |
561f1103 | 874 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 875 | &dev_attr_multicast_querier.attr, |
1c8ad5bf | 876 | &dev_attr_multicast_query_use_ifaddr.attr, |
b195167f HX |
877 | &dev_attr_hash_elasticity.attr, |
878 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
879 | &dev_attr_multicast_last_member_count.attr, |
880 | &dev_attr_multicast_startup_query_count.attr, | |
881 | &dev_attr_multicast_last_member_interval.attr, | |
882 | &dev_attr_multicast_membership_interval.attr, | |
883 | &dev_attr_multicast_querier_interval.attr, | |
884 | &dev_attr_multicast_query_interval.attr, | |
885 | &dev_attr_multicast_query_response_interval.attr, | |
886 | &dev_attr_multicast_startup_query_interval.attr, | |
1080ab95 | 887 | &dev_attr_multicast_stats_enabled.attr, |
5e923585 | 888 | &dev_attr_multicast_igmp_version.attr, |
aa2ae3e7 NA |
889 | #if IS_ENABLED(CONFIG_IPV6) |
890 | &dev_attr_multicast_mld_version.attr, | |
891 | #endif | |
4df53d8b | 892 | #endif |
34666d46 | 893 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
4df53d8b PM |
894 | &dev_attr_nf_call_iptables.attr, |
895 | &dev_attr_nf_call_ip6tables.attr, | |
896 | &dev_attr_nf_call_arptables.attr, | |
243a2e63 VY |
897 | #endif |
898 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
899 | &dev_attr_vlan_filtering.attr, | |
204177f3 | 900 | &dev_attr_vlan_protocol.attr, |
96a20d9d | 901 | &dev_attr_default_pvid.attr, |
6dada9b1 | 902 | &dev_attr_vlan_stats_enabled.attr, |
9163a0fc | 903 | &dev_attr_vlan_stats_per_port.attr, |
0909e117 | 904 | #endif |
1da177e4 LT |
905 | NULL |
906 | }; | |
907 | ||
cddbb79f | 908 | static const struct attribute_group bridge_group = { |
1da177e4 LT |
909 | .name = SYSFS_BRIDGE_ATTR, |
910 | .attrs = bridge_attrs, | |
911 | }; | |
912 | ||
913 | /* | |
914 | * Export the forwarding information table as a binary file | |
915 | * The records are struct __fdb_entry. | |
916 | * | |
917 | * Returns the number of bytes read. | |
918 | */ | |
2c3c8bea | 919 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
920 | struct bin_attribute *bin_attr, |
921 | char *buf, loff_t off, size_t count) | |
1da177e4 | 922 | { |
aeb7ed14 | 923 | struct device *dev = kobj_to_dev(kobj); |
43cb76d9 | 924 | struct net_bridge *br = to_bridge(dev); |
1da177e4 LT |
925 | int n; |
926 | ||
927 | /* must read whole records */ | |
928 | if (off % sizeof(struct __fdb_entry) != 0) | |
929 | return -EINVAL; | |
930 | ||
9d6f229f | 931 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
932 | count / sizeof(struct __fdb_entry), |
933 | off / sizeof(struct __fdb_entry)); | |
934 | ||
935 | if (n > 0) | |
936 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 937 | |
1da177e4 LT |
938 | return n; |
939 | } | |
940 | ||
941 | static struct bin_attribute bridge_forward = { | |
942 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
d6444062 | 943 | .mode = 0444, }, |
1da177e4 LT |
944 | .read = brforward_read, |
945 | }; | |
946 | ||
947 | /* | |
948 | * Add entries in sysfs onto the existing network class device | |
949 | * for the bridge. | |
950 | * Adds a attribute group "bridge" containing tuning parameters. | |
951 | * Binary attribute containing the forward table | |
952 | * Sub directory to hold links to interfaces. | |
953 | * | |
954 | * Note: the ifobj exists only to be a subdirectory | |
955 | * to hold links. The ifobj exists in same data structure | |
956 | * as it's parent the bridge so reference counting works. | |
957 | */ | |
958 | int br_sysfs_addbr(struct net_device *dev) | |
959 | { | |
43cb76d9 | 960 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
961 | struct net_bridge *br = netdev_priv(dev); |
962 | int err; | |
963 | ||
964 | err = sysfs_create_group(brobj, &bridge_group); | |
965 | if (err) { | |
966 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 967 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
968 | goto out1; |
969 | } | |
970 | ||
971 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
972 | if (err) { | |
1842c4be | 973 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 974 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
975 | goto out2; |
976 | } | |
977 | ||
43b98c4a GKH |
978 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
979 | if (!br->ifobj) { | |
1da177e4 | 980 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 981 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
b5958963 | 982 | err = -ENOMEM; |
1da177e4 LT |
983 | goto out3; |
984 | } | |
985 | return 0; | |
986 | out3: | |
43cb76d9 | 987 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 988 | out2: |
43cb76d9 | 989 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
990 | out1: |
991 | return err; | |
992 | ||
993 | } | |
994 | ||
995 | void br_sysfs_delbr(struct net_device *dev) | |
996 | { | |
43cb76d9 | 997 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
998 | struct net_bridge *br = netdev_priv(dev); |
999 | ||
78a2d906 | 1000 | kobject_put(br->ifobj); |
1da177e4 LT |
1001 | sysfs_remove_bin_file(kobj, &bridge_forward); |
1002 | sysfs_remove_group(kobj, &bridge_group); | |
1003 | } |