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 | 104 | { |
af379392 NA |
105 | int ret; |
106 | ||
107 | if (!rtnl_trylock()) | |
108 | return restart_syscall(); | |
109 | ||
110 | ret = br_set_ageing_time(br, val); | |
111 | rtnl_unlock(); | |
112 | ||
113 | return ret; | |
1da177e4 LT |
114 | } |
115 | ||
fbf2671b | 116 | static ssize_t ageing_time_store(struct device *d, |
43cb76d9 GKH |
117 | struct device_attribute *attr, |
118 | const char *buf, size_t len) | |
1da177e4 | 119 | { |
43cb76d9 | 120 | return store_bridge_parm(d, buf, len, set_ageing_time); |
1da177e4 | 121 | } |
fbf2671b | 122 | static DEVICE_ATTR_RW(ageing_time); |
1da177e4 | 123 | |
fbf2671b | 124 | static ssize_t stp_state_show(struct device *d, |
43cb76d9 | 125 | struct device_attribute *attr, char *buf) |
1da177e4 | 126 | { |
43cb76d9 | 127 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
128 | return sprintf(buf, "%d\n", br->stp_enabled); |
129 | } | |
130 | ||
1da177e4 | 131 | |
fbf2671b | 132 | static ssize_t stp_state_store(struct device *d, |
43cb76d9 GKH |
133 | struct device_attribute *attr, const char *buf, |
134 | size_t len) | |
1da177e4 | 135 | { |
17120889 SH |
136 | struct net_bridge *br = to_bridge(d); |
137 | char *endp; | |
138 | unsigned long val; | |
139 | ||
cb990503 | 140 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
17120889 SH |
141 | return -EPERM; |
142 | ||
143 | val = simple_strtoul(buf, &endp, 0); | |
144 | if (endp == buf) | |
145 | return -EINVAL; | |
146 | ||
af38f298 EB |
147 | if (!rtnl_trylock()) |
148 | return restart_syscall(); | |
17120889 SH |
149 | br_stp_set_enabled(br, val); |
150 | rtnl_unlock(); | |
151 | ||
35b426c3 | 152 | return len; |
1da177e4 | 153 | } |
fbf2671b | 154 | static DEVICE_ATTR_RW(stp_state); |
1da177e4 | 155 | |
fbf2671b | 156 | static ssize_t group_fwd_mask_show(struct device *d, |
157 | struct device_attribute *attr, | |
158 | char *buf) | |
515853cc | 159 | { |
160 | struct net_bridge *br = to_bridge(d); | |
161 | return sprintf(buf, "%#x\n", br->group_fwd_mask); | |
162 | } | |
163 | ||
164 | ||
fbf2671b | 165 | static ssize_t group_fwd_mask_store(struct device *d, |
166 | struct device_attribute *attr, | |
167 | const char *buf, | |
168 | size_t len) | |
515853cc | 169 | { |
170 | struct net_bridge *br = to_bridge(d); | |
171 | char *endp; | |
172 | unsigned long val; | |
173 | ||
cb990503 | 174 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
515853cc | 175 | return -EPERM; |
176 | ||
177 | val = simple_strtoul(buf, &endp, 0); | |
178 | if (endp == buf) | |
179 | return -EINVAL; | |
180 | ||
181 | if (val & BR_GROUPFWD_RESTRICTED) | |
182 | return -EINVAL; | |
183 | ||
184 | br->group_fwd_mask = val; | |
185 | ||
186 | return len; | |
187 | } | |
fbf2671b | 188 | static DEVICE_ATTR_RW(group_fwd_mask); |
515853cc | 189 | |
fbf2671b | 190 | static ssize_t priority_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 191 | char *buf) |
1da177e4 | 192 | { |
43cb76d9 | 193 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
194 | return sprintf(buf, "%d\n", |
195 | (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]); | |
196 | } | |
197 | ||
8d4698f7 | 198 | static int set_priority(struct net_bridge *br, unsigned long val) |
1da177e4 LT |
199 | { |
200 | br_stp_set_bridge_priority(br, (u16) val); | |
8d4698f7 | 201 | return 0; |
1da177e4 LT |
202 | } |
203 | ||
fbf2671b | 204 | static ssize_t priority_store(struct device *d, struct device_attribute *attr, |
205 | const char *buf, size_t len) | |
1da177e4 | 206 | { |
43cb76d9 | 207 | return store_bridge_parm(d, buf, len, set_priority); |
1da177e4 | 208 | } |
fbf2671b | 209 | static DEVICE_ATTR_RW(priority); |
1da177e4 | 210 | |
fbf2671b | 211 | static ssize_t root_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)->designated_root); |
1da177e4 | 215 | } |
fbf2671b | 216 | static DEVICE_ATTR_RO(root_id); |
1da177e4 | 217 | |
fbf2671b | 218 | static ssize_t bridge_id_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 219 | char *buf) |
1da177e4 | 220 | { |
43cb76d9 | 221 | return br_show_bridge_id(buf, &to_bridge(d)->bridge_id); |
1da177e4 | 222 | } |
fbf2671b | 223 | static DEVICE_ATTR_RO(bridge_id); |
1da177e4 | 224 | |
fbf2671b | 225 | static ssize_t root_port_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 226 | char *buf) |
1da177e4 | 227 | { |
43cb76d9 | 228 | return sprintf(buf, "%d\n", to_bridge(d)->root_port); |
1da177e4 | 229 | } |
fbf2671b | 230 | static DEVICE_ATTR_RO(root_port); |
1da177e4 | 231 | |
fbf2671b | 232 | static ssize_t root_path_cost_show(struct device *d, |
43cb76d9 | 233 | struct device_attribute *attr, char *buf) |
1da177e4 | 234 | { |
43cb76d9 | 235 | return sprintf(buf, "%d\n", to_bridge(d)->root_path_cost); |
1da177e4 | 236 | } |
fbf2671b | 237 | static DEVICE_ATTR_RO(root_path_cost); |
1da177e4 | 238 | |
fbf2671b | 239 | static ssize_t topology_change_show(struct device *d, |
43cb76d9 | 240 | struct device_attribute *attr, char *buf) |
1da177e4 | 241 | { |
43cb76d9 | 242 | return sprintf(buf, "%d\n", to_bridge(d)->topology_change); |
1da177e4 | 243 | } |
fbf2671b | 244 | static DEVICE_ATTR_RO(topology_change); |
1da177e4 | 245 | |
fbf2671b | 246 | static ssize_t topology_change_detected_show(struct device *d, |
43cb76d9 GKH |
247 | struct device_attribute *attr, |
248 | char *buf) | |
1da177e4 | 249 | { |
43cb76d9 | 250 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
251 | return sprintf(buf, "%d\n", br->topology_change_detected); |
252 | } | |
fbf2671b | 253 | static DEVICE_ATTR_RO(topology_change_detected); |
1da177e4 | 254 | |
fbf2671b | 255 | static ssize_t hello_timer_show(struct device *d, |
43cb76d9 | 256 | struct device_attribute *attr, 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->hello_timer)); |
260 | } | |
fbf2671b | 261 | static DEVICE_ATTR_RO(hello_timer); |
1da177e4 | 262 | |
fbf2671b | 263 | static ssize_t tcn_timer_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 264 | char *buf) |
1da177e4 | 265 | { |
43cb76d9 | 266 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
267 | return sprintf(buf, "%ld\n", br_timer_value(&br->tcn_timer)); |
268 | } | |
fbf2671b | 269 | static DEVICE_ATTR_RO(tcn_timer); |
1da177e4 | 270 | |
fbf2671b | 271 | static ssize_t topology_change_timer_show(struct device *d, |
43cb76d9 GKH |
272 | struct device_attribute *attr, |
273 | char *buf) | |
1da177e4 | 274 | { |
43cb76d9 | 275 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
276 | return sprintf(buf, "%ld\n", br_timer_value(&br->topology_change_timer)); |
277 | } | |
fbf2671b | 278 | static DEVICE_ATTR_RO(topology_change_timer); |
1da177e4 | 279 | |
fbf2671b | 280 | static ssize_t gc_timer_show(struct device *d, struct device_attribute *attr, |
43cb76d9 | 281 | char *buf) |
1da177e4 | 282 | { |
43cb76d9 | 283 | struct net_bridge *br = to_bridge(d); |
1da177e4 LT |
284 | return sprintf(buf, "%ld\n", br_timer_value(&br->gc_timer)); |
285 | } | |
fbf2671b | 286 | static DEVICE_ATTR_RO(gc_timer); |
1da177e4 | 287 | |
fbf2671b | 288 | static ssize_t group_addr_show(struct device *d, |
43cb76d9 | 289 | struct device_attribute *attr, char *buf) |
fda93d92 | 290 | { |
43cb76d9 | 291 | struct net_bridge *br = to_bridge(d); |
fda93d92 SH |
292 | return sprintf(buf, "%x:%x:%x:%x:%x:%x\n", |
293 | br->group_addr[0], br->group_addr[1], | |
294 | br->group_addr[2], br->group_addr[3], | |
295 | br->group_addr[4], br->group_addr[5]); | |
296 | } | |
297 | ||
fbf2671b | 298 | static ssize_t group_addr_store(struct device *d, |
43cb76d9 GKH |
299 | struct device_attribute *attr, |
300 | const char *buf, size_t len) | |
fda93d92 | 301 | { |
43cb76d9 | 302 | struct net_bridge *br = to_bridge(d); |
4197f24b | 303 | u8 new_addr[6]; |
fda93d92 SH |
304 | int i; |
305 | ||
cb990503 | 306 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
fda93d92 SH |
307 | return -EPERM; |
308 | ||
4197f24b | 309 | if (sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", |
fda93d92 SH |
310 | &new_addr[0], &new_addr[1], &new_addr[2], |
311 | &new_addr[3], &new_addr[4], &new_addr[5]) != 6) | |
312 | return -EINVAL; | |
313 | ||
46acc460 | 314 | if (!is_link_local_ether_addr(new_addr)) |
fda93d92 SH |
315 | return -EINVAL; |
316 | ||
f64f9e71 JP |
317 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
318 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
319 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
320 | return -EINVAL; |
321 | ||
204177f3 TM |
322 | if (!rtnl_trylock()) |
323 | return restart_syscall(); | |
324 | ||
fda93d92 SH |
325 | spin_lock_bh(&br->lock); |
326 | for (i = 0; i < 6; i++) | |
327 | br->group_addr[i] = new_addr[i]; | |
328 | spin_unlock_bh(&br->lock); | |
204177f3 TM |
329 | |
330 | br->group_addr_set = true; | |
331 | br_recalculate_fwd_mask(br); | |
332 | ||
333 | rtnl_unlock(); | |
334 | ||
fda93d92 SH |
335 | return len; |
336 | } | |
337 | ||
fbf2671b | 338 | static DEVICE_ATTR_RW(group_addr); |
fda93d92 | 339 | |
fbf2671b | 340 | static ssize_t flush_store(struct device *d, |
9cf63747 SH |
341 | struct device_attribute *attr, |
342 | const char *buf, size_t len) | |
343 | { | |
344 | struct net_bridge *br = to_bridge(d); | |
345 | ||
cb990503 | 346 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
9cf63747 SH |
347 | return -EPERM; |
348 | ||
349 | br_fdb_flush(br); | |
350 | return len; | |
351 | } | |
fbf2671b | 352 | static DEVICE_ATTR_WO(flush); |
fda93d92 | 353 | |
0909e117 | 354 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
fbf2671b | 355 | static ssize_t multicast_router_show(struct device *d, |
0909e117 HX |
356 | struct device_attribute *attr, char *buf) |
357 | { | |
358 | struct net_bridge *br = to_bridge(d); | |
359 | return sprintf(buf, "%d\n", br->multicast_router); | |
360 | } | |
361 | ||
fbf2671b | 362 | static ssize_t multicast_router_store(struct device *d, |
0909e117 HX |
363 | struct device_attribute *attr, |
364 | const char *buf, size_t len) | |
365 | { | |
366 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
367 | } | |
fbf2671b | 368 | static DEVICE_ATTR_RW(multicast_router); |
561f1103 | 369 | |
fbf2671b | 370 | static ssize_t multicast_snooping_show(struct device *d, |
561f1103 HX |
371 | struct device_attribute *attr, |
372 | char *buf) | |
373 | { | |
374 | struct net_bridge *br = to_bridge(d); | |
375 | return sprintf(buf, "%d\n", !br->multicast_disabled); | |
376 | } | |
377 | ||
fbf2671b | 378 | static ssize_t multicast_snooping_store(struct device *d, |
561f1103 HX |
379 | struct device_attribute *attr, |
380 | const char *buf, size_t len) | |
381 | { | |
382 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
383 | } | |
fbf2671b | 384 | static DEVICE_ATTR_RW(multicast_snooping); |
b195167f | 385 | |
fbf2671b | 386 | static ssize_t multicast_query_use_ifaddr_show(struct device *d, |
387 | struct device_attribute *attr, | |
388 | char *buf) | |
1c8ad5bf CW |
389 | { |
390 | struct net_bridge *br = to_bridge(d); | |
391 | return sprintf(buf, "%d\n", br->multicast_query_use_ifaddr); | |
392 | } | |
393 | ||
394 | static int set_query_use_ifaddr(struct net_bridge *br, unsigned long val) | |
395 | { | |
396 | br->multicast_query_use_ifaddr = !!val; | |
397 | return 0; | |
398 | } | |
399 | ||
400 | static ssize_t | |
fbf2671b | 401 | multicast_query_use_ifaddr_store(struct device *d, |
1c8ad5bf CW |
402 | struct device_attribute *attr, |
403 | const char *buf, size_t len) | |
404 | { | |
405 | return store_bridge_parm(d, buf, len, set_query_use_ifaddr); | |
406 | } | |
fbf2671b | 407 | static DEVICE_ATTR_RW(multicast_query_use_ifaddr); |
1c8ad5bf | 408 | |
fbf2671b | 409 | static ssize_t multicast_querier_show(struct device *d, |
c5c23260 HX |
410 | struct device_attribute *attr, |
411 | char *buf) | |
412 | { | |
413 | struct net_bridge *br = to_bridge(d); | |
414 | return sprintf(buf, "%d\n", br->multicast_querier); | |
415 | } | |
416 | ||
fbf2671b | 417 | static ssize_t multicast_querier_store(struct device *d, |
c5c23260 HX |
418 | struct device_attribute *attr, |
419 | const char *buf, size_t len) | |
420 | { | |
421 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
422 | } | |
fbf2671b | 423 | static DEVICE_ATTR_RW(multicast_querier); |
c5c23260 | 424 | |
fbf2671b | 425 | static ssize_t hash_elasticity_show(struct device *d, |
b195167f HX |
426 | struct device_attribute *attr, char *buf) |
427 | { | |
428 | struct net_bridge *br = to_bridge(d); | |
429 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
430 | } | |
431 | ||
432 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
433 | { | |
434 | br->hash_elasticity = val; | |
435 | return 0; | |
436 | } | |
437 | ||
fbf2671b | 438 | static ssize_t hash_elasticity_store(struct device *d, |
b195167f HX |
439 | struct device_attribute *attr, |
440 | const char *buf, size_t len) | |
441 | { | |
442 | return store_bridge_parm(d, buf, len, set_elasticity); | |
443 | } | |
fbf2671b | 444 | static DEVICE_ATTR_RW(hash_elasticity); |
b195167f | 445 | |
fbf2671b | 446 | static ssize_t hash_max_show(struct device *d, struct device_attribute *attr, |
b195167f HX |
447 | char *buf) |
448 | { | |
449 | struct net_bridge *br = to_bridge(d); | |
450 | return sprintf(buf, "%u\n", br->hash_max); | |
451 | } | |
452 | ||
fbf2671b | 453 | static ssize_t hash_max_store(struct device *d, struct device_attribute *attr, |
b195167f HX |
454 | const char *buf, size_t len) |
455 | { | |
456 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
457 | } | |
fbf2671b | 458 | static DEVICE_ATTR_RW(hash_max); |
d902eee4 | 459 | |
fbf2671b | 460 | static ssize_t multicast_last_member_count_show(struct device *d, |
d902eee4 HX |
461 | struct device_attribute *attr, |
462 | char *buf) | |
463 | { | |
464 | struct net_bridge *br = to_bridge(d); | |
465 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
466 | } | |
467 | ||
468 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
469 | { | |
470 | br->multicast_last_member_count = val; | |
471 | return 0; | |
472 | } | |
473 | ||
fbf2671b | 474 | static ssize_t multicast_last_member_count_store(struct device *d, |
d902eee4 HX |
475 | struct device_attribute *attr, |
476 | const char *buf, size_t len) | |
477 | { | |
478 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
479 | } | |
fbf2671b | 480 | static DEVICE_ATTR_RW(multicast_last_member_count); |
d902eee4 | 481 | |
fbf2671b | 482 | static ssize_t multicast_startup_query_count_show( |
d902eee4 HX |
483 | struct device *d, struct device_attribute *attr, char *buf) |
484 | { | |
485 | struct net_bridge *br = to_bridge(d); | |
486 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
487 | } | |
488 | ||
489 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
490 | { | |
491 | br->multicast_startup_query_count = val; | |
492 | return 0; | |
493 | } | |
494 | ||
fbf2671b | 495 | static ssize_t multicast_startup_query_count_store( |
d902eee4 HX |
496 | struct device *d, struct device_attribute *attr, const char *buf, |
497 | size_t len) | |
498 | { | |
499 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
500 | } | |
fbf2671b | 501 | static DEVICE_ATTR_RW(multicast_startup_query_count); |
d902eee4 | 502 | |
fbf2671b | 503 | static ssize_t multicast_last_member_interval_show( |
d902eee4 HX |
504 | struct device *d, struct device_attribute *attr, char *buf) |
505 | { | |
506 | struct net_bridge *br = to_bridge(d); | |
507 | return sprintf(buf, "%lu\n", | |
508 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
509 | } | |
510 | ||
511 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
512 | { | |
513 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
514 | return 0; | |
515 | } | |
516 | ||
fbf2671b | 517 | static ssize_t multicast_last_member_interval_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_last_member_interval); | |
522 | } | |
fbf2671b | 523 | static DEVICE_ATTR_RW(multicast_last_member_interval); |
d902eee4 | 524 | |
fbf2671b | 525 | static ssize_t multicast_membership_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_membership_interval)); | |
531 | } | |
532 | ||
533 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
534 | { | |
535 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
536 | return 0; | |
537 | } | |
538 | ||
fbf2671b | 539 | static ssize_t multicast_membership_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_membership_interval); | |
544 | } | |
fbf2671b | 545 | static DEVICE_ATTR_RW(multicast_membership_interval); |
d902eee4 | 546 | |
fbf2671b | 547 | static ssize_t multicast_querier_interval_show(struct device *d, |
d902eee4 HX |
548 | struct device_attribute *attr, |
549 | char *buf) | |
550 | { | |
551 | struct net_bridge *br = to_bridge(d); | |
552 | return sprintf(buf, "%lu\n", | |
553 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
554 | } | |
555 | ||
556 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
557 | { | |
558 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
559 | return 0; | |
560 | } | |
561 | ||
fbf2671b | 562 | static ssize_t multicast_querier_interval_store(struct device *d, |
d902eee4 HX |
563 | struct device_attribute *attr, |
564 | const char *buf, size_t len) | |
565 | { | |
566 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
567 | } | |
fbf2671b | 568 | static DEVICE_ATTR_RW(multicast_querier_interval); |
d902eee4 | 569 | |
fbf2671b | 570 | static ssize_t multicast_query_interval_show(struct device *d, |
d902eee4 HX |
571 | struct device_attribute *attr, |
572 | char *buf) | |
573 | { | |
574 | struct net_bridge *br = to_bridge(d); | |
575 | return sprintf(buf, "%lu\n", | |
576 | jiffies_to_clock_t(br->multicast_query_interval)); | |
577 | } | |
578 | ||
579 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
580 | { | |
581 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
582 | return 0; | |
583 | } | |
584 | ||
fbf2671b | 585 | static ssize_t multicast_query_interval_store(struct device *d, |
d902eee4 HX |
586 | struct device_attribute *attr, |
587 | const char *buf, size_t len) | |
588 | { | |
589 | return store_bridge_parm(d, buf, len, set_query_interval); | |
590 | } | |
fbf2671b | 591 | static DEVICE_ATTR_RW(multicast_query_interval); |
d902eee4 | 592 | |
fbf2671b | 593 | static ssize_t multicast_query_response_interval_show( |
d902eee4 HX |
594 | struct device *d, struct device_attribute *attr, char *buf) |
595 | { | |
596 | struct net_bridge *br = to_bridge(d); | |
597 | return sprintf( | |
598 | buf, "%lu\n", | |
599 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
600 | } | |
601 | ||
602 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
603 | { | |
604 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
605 | return 0; | |
606 | } | |
607 | ||
fbf2671b | 608 | static ssize_t multicast_query_response_interval_store( |
d902eee4 HX |
609 | struct device *d, struct device_attribute *attr, const char *buf, |
610 | size_t len) | |
611 | { | |
612 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
613 | } | |
fbf2671b | 614 | static DEVICE_ATTR_RW(multicast_query_response_interval); |
d902eee4 | 615 | |
fbf2671b | 616 | static ssize_t multicast_startup_query_interval_show( |
d902eee4 HX |
617 | struct device *d, struct device_attribute *attr, char *buf) |
618 | { | |
619 | struct net_bridge *br = to_bridge(d); | |
620 | return sprintf( | |
621 | buf, "%lu\n", | |
622 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
623 | } | |
624 | ||
625 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
626 | { | |
627 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
628 | return 0; | |
629 | } | |
630 | ||
fbf2671b | 631 | static ssize_t multicast_startup_query_interval_store( |
d902eee4 HX |
632 | struct device *d, struct device_attribute *attr, const char *buf, |
633 | size_t len) | |
634 | { | |
635 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
636 | } | |
fbf2671b | 637 | static DEVICE_ATTR_RW(multicast_startup_query_interval); |
0909e117 | 638 | #endif |
34666d46 | 639 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
fbf2671b | 640 | static ssize_t nf_call_iptables_show( |
4df53d8b PM |
641 | struct device *d, struct device_attribute *attr, char *buf) |
642 | { | |
643 | struct net_bridge *br = to_bridge(d); | |
644 | return sprintf(buf, "%u\n", br->nf_call_iptables); | |
645 | } | |
646 | ||
647 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
648 | { | |
649 | br->nf_call_iptables = val ? true : false; | |
650 | return 0; | |
651 | } | |
652 | ||
fbf2671b | 653 | static ssize_t nf_call_iptables_store( |
4df53d8b PM |
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_nf_call_iptables); | |
658 | } | |
fbf2671b | 659 | static DEVICE_ATTR_RW(nf_call_iptables); |
4df53d8b | 660 | |
fbf2671b | 661 | static ssize_t nf_call_ip6tables_show( |
4df53d8b PM |
662 | struct device *d, struct device_attribute *attr, char *buf) |
663 | { | |
664 | struct net_bridge *br = to_bridge(d); | |
665 | return sprintf(buf, "%u\n", br->nf_call_ip6tables); | |
666 | } | |
667 | ||
668 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
669 | { | |
670 | br->nf_call_ip6tables = val ? true : false; | |
671 | return 0; | |
672 | } | |
673 | ||
fbf2671b | 674 | static ssize_t nf_call_ip6tables_store( |
4df53d8b PM |
675 | struct device *d, struct device_attribute *attr, const char *buf, |
676 | size_t len) | |
677 | { | |
678 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
679 | } | |
fbf2671b | 680 | static DEVICE_ATTR_RW(nf_call_ip6tables); |
4df53d8b | 681 | |
fbf2671b | 682 | static ssize_t nf_call_arptables_show( |
4df53d8b PM |
683 | struct device *d, struct device_attribute *attr, char *buf) |
684 | { | |
685 | struct net_bridge *br = to_bridge(d); | |
686 | return sprintf(buf, "%u\n", br->nf_call_arptables); | |
687 | } | |
688 | ||
689 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
690 | { | |
691 | br->nf_call_arptables = val ? true : false; | |
692 | return 0; | |
693 | } | |
694 | ||
fbf2671b | 695 | static ssize_t nf_call_arptables_store( |
4df53d8b PM |
696 | struct device *d, struct device_attribute *attr, const char *buf, |
697 | size_t len) | |
698 | { | |
699 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
700 | } | |
fbf2671b | 701 | static DEVICE_ATTR_RW(nf_call_arptables); |
4df53d8b | 702 | #endif |
243a2e63 | 703 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
fbf2671b | 704 | static ssize_t vlan_filtering_show(struct device *d, |
243a2e63 VY |
705 | struct device_attribute *attr, |
706 | char *buf) | |
707 | { | |
708 | struct net_bridge *br = to_bridge(d); | |
709 | return sprintf(buf, "%d\n", br->vlan_enabled); | |
710 | } | |
711 | ||
fbf2671b | 712 | static ssize_t vlan_filtering_store(struct device *d, |
243a2e63 VY |
713 | struct device_attribute *attr, |
714 | const char *buf, size_t len) | |
715 | { | |
716 | return store_bridge_parm(d, buf, len, br_vlan_filter_toggle); | |
717 | } | |
fbf2671b | 718 | static DEVICE_ATTR_RW(vlan_filtering); |
204177f3 TM |
719 | |
720 | static ssize_t vlan_protocol_show(struct device *d, | |
721 | struct device_attribute *attr, | |
722 | char *buf) | |
723 | { | |
724 | struct net_bridge *br = to_bridge(d); | |
725 | return sprintf(buf, "%#06x\n", ntohs(br->vlan_proto)); | |
726 | } | |
727 | ||
728 | static ssize_t vlan_protocol_store(struct device *d, | |
729 | struct device_attribute *attr, | |
730 | const char *buf, size_t len) | |
731 | { | |
732 | return store_bridge_parm(d, buf, len, br_vlan_set_proto); | |
733 | } | |
734 | static DEVICE_ATTR_RW(vlan_protocol); | |
96a20d9d VY |
735 | |
736 | static ssize_t default_pvid_show(struct device *d, | |
737 | struct device_attribute *attr, | |
738 | char *buf) | |
739 | { | |
740 | struct net_bridge *br = to_bridge(d); | |
741 | return sprintf(buf, "%d\n", br->default_pvid); | |
742 | } | |
743 | ||
744 | static ssize_t default_pvid_store(struct device *d, | |
745 | struct device_attribute *attr, | |
746 | const char *buf, size_t len) | |
747 | { | |
748 | return store_bridge_parm(d, buf, len, br_vlan_set_default_pvid); | |
749 | } | |
750 | static DEVICE_ATTR_RW(default_pvid); | |
243a2e63 | 751 | #endif |
0909e117 | 752 | |
1da177e4 | 753 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
754 | &dev_attr_forward_delay.attr, |
755 | &dev_attr_hello_time.attr, | |
756 | &dev_attr_max_age.attr, | |
757 | &dev_attr_ageing_time.attr, | |
758 | &dev_attr_stp_state.attr, | |
515853cc | 759 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
760 | &dev_attr_priority.attr, |
761 | &dev_attr_bridge_id.attr, | |
762 | &dev_attr_root_id.attr, | |
763 | &dev_attr_root_path_cost.attr, | |
764 | &dev_attr_root_port.attr, | |
765 | &dev_attr_topology_change.attr, | |
766 | &dev_attr_topology_change_detected.attr, | |
767 | &dev_attr_hello_timer.attr, | |
768 | &dev_attr_tcn_timer.attr, | |
769 | &dev_attr_topology_change_timer.attr, | |
770 | &dev_attr_gc_timer.attr, | |
771 | &dev_attr_group_addr.attr, | |
9cf63747 | 772 | &dev_attr_flush.attr, |
0909e117 HX |
773 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
774 | &dev_attr_multicast_router.attr, | |
561f1103 | 775 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 776 | &dev_attr_multicast_querier.attr, |
1c8ad5bf | 777 | &dev_attr_multicast_query_use_ifaddr.attr, |
b195167f HX |
778 | &dev_attr_hash_elasticity.attr, |
779 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
780 | &dev_attr_multicast_last_member_count.attr, |
781 | &dev_attr_multicast_startup_query_count.attr, | |
782 | &dev_attr_multicast_last_member_interval.attr, | |
783 | &dev_attr_multicast_membership_interval.attr, | |
784 | &dev_attr_multicast_querier_interval.attr, | |
785 | &dev_attr_multicast_query_interval.attr, | |
786 | &dev_attr_multicast_query_response_interval.attr, | |
787 | &dev_attr_multicast_startup_query_interval.attr, | |
4df53d8b | 788 | #endif |
34666d46 | 789 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
4df53d8b PM |
790 | &dev_attr_nf_call_iptables.attr, |
791 | &dev_attr_nf_call_ip6tables.attr, | |
792 | &dev_attr_nf_call_arptables.attr, | |
243a2e63 VY |
793 | #endif |
794 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
795 | &dev_attr_vlan_filtering.attr, | |
204177f3 | 796 | &dev_attr_vlan_protocol.attr, |
96a20d9d | 797 | &dev_attr_default_pvid.attr, |
0909e117 | 798 | #endif |
1da177e4 LT |
799 | NULL |
800 | }; | |
801 | ||
802 | static struct attribute_group bridge_group = { | |
803 | .name = SYSFS_BRIDGE_ATTR, | |
804 | .attrs = bridge_attrs, | |
805 | }; | |
806 | ||
807 | /* | |
808 | * Export the forwarding information table as a binary file | |
809 | * The records are struct __fdb_entry. | |
810 | * | |
811 | * Returns the number of bytes read. | |
812 | */ | |
2c3c8bea | 813 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
814 | struct bin_attribute *bin_attr, |
815 | char *buf, loff_t off, size_t count) | |
1da177e4 | 816 | { |
43cb76d9 GKH |
817 | struct device *dev = to_dev(kobj); |
818 | struct net_bridge *br = to_bridge(dev); | |
1da177e4 LT |
819 | int n; |
820 | ||
821 | /* must read whole records */ | |
822 | if (off % sizeof(struct __fdb_entry) != 0) | |
823 | return -EINVAL; | |
824 | ||
9d6f229f | 825 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
826 | count / sizeof(struct __fdb_entry), |
827 | off / sizeof(struct __fdb_entry)); | |
828 | ||
829 | if (n > 0) | |
830 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 831 | |
1da177e4 LT |
832 | return n; |
833 | } | |
834 | ||
835 | static struct bin_attribute bridge_forward = { | |
836 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
7b595756 | 837 | .mode = S_IRUGO, }, |
1da177e4 LT |
838 | .read = brforward_read, |
839 | }; | |
840 | ||
841 | /* | |
842 | * Add entries in sysfs onto the existing network class device | |
843 | * for the bridge. | |
844 | * Adds a attribute group "bridge" containing tuning parameters. | |
845 | * Binary attribute containing the forward table | |
846 | * Sub directory to hold links to interfaces. | |
847 | * | |
848 | * Note: the ifobj exists only to be a subdirectory | |
849 | * to hold links. The ifobj exists in same data structure | |
850 | * as it's parent the bridge so reference counting works. | |
851 | */ | |
852 | int br_sysfs_addbr(struct net_device *dev) | |
853 | { | |
43cb76d9 | 854 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
855 | struct net_bridge *br = netdev_priv(dev); |
856 | int err; | |
857 | ||
858 | err = sysfs_create_group(brobj, &bridge_group); | |
859 | if (err) { | |
860 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 861 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
862 | goto out1; |
863 | } | |
864 | ||
865 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
866 | if (err) { | |
1842c4be | 867 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 868 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
869 | goto out2; |
870 | } | |
871 | ||
43b98c4a GKH |
872 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
873 | if (!br->ifobj) { | |
1da177e4 | 874 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 875 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
1da177e4 LT |
876 | goto out3; |
877 | } | |
878 | return 0; | |
879 | out3: | |
43cb76d9 | 880 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 881 | out2: |
43cb76d9 | 882 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
883 | out1: |
884 | return err; | |
885 | ||
886 | } | |
887 | ||
888 | void br_sysfs_delbr(struct net_device *dev) | |
889 | { | |
43cb76d9 | 890 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
891 | struct net_bridge *br = netdev_priv(dev); |
892 | ||
78a2d906 | 893 | kobject_put(br->ifobj); |
1da177e4 LT |
894 | sysfs_remove_bin_file(kobj, &bridge_forward); |
895 | sysfs_remove_group(kobj, &bridge_group); | |
896 | } |