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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); |
fda93d92 SH |
275 | return sprintf(buf, "%x:%x:%x:%x:%x:%x\n", |
276 | br->group_addr[0], br->group_addr[1], | |
277 | br->group_addr[2], br->group_addr[3], | |
278 | br->group_addr[4], br->group_addr[5]); | |
279 | } | |
280 | ||
fbf2671b | 281 | static ssize_t group_addr_store(struct device *d, |
43cb76d9 GKH |
282 | struct device_attribute *attr, |
283 | const char *buf, size_t len) | |
fda93d92 | 284 | { |
43cb76d9 | 285 | struct net_bridge *br = to_bridge(d); |
4197f24b | 286 | u8 new_addr[6]; |
fda93d92 SH |
287 | int i; |
288 | ||
cb990503 | 289 | if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN)) |
fda93d92 SH |
290 | return -EPERM; |
291 | ||
4197f24b | 292 | if (sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", |
fda93d92 SH |
293 | &new_addr[0], &new_addr[1], &new_addr[2], |
294 | &new_addr[3], &new_addr[4], &new_addr[5]) != 6) | |
295 | return -EINVAL; | |
296 | ||
46acc460 | 297 | if (!is_link_local_ether_addr(new_addr)) |
fda93d92 SH |
298 | return -EINVAL; |
299 | ||
f64f9e71 JP |
300 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
301 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ | |
302 | new_addr[5] == 3) /* 802.1X PAE address */ | |
fda93d92 SH |
303 | return -EINVAL; |
304 | ||
204177f3 TM |
305 | if (!rtnl_trylock()) |
306 | return restart_syscall(); | |
307 | ||
fda93d92 SH |
308 | spin_lock_bh(&br->lock); |
309 | for (i = 0; i < 6; i++) | |
310 | br->group_addr[i] = new_addr[i]; | |
311 | spin_unlock_bh(&br->lock); | |
204177f3 TM |
312 | |
313 | br->group_addr_set = true; | |
314 | br_recalculate_fwd_mask(br); | |
047831a9 | 315 | netdev_state_change(br->dev); |
204177f3 TM |
316 | |
317 | rtnl_unlock(); | |
318 | ||
fda93d92 SH |
319 | return len; |
320 | } | |
321 | ||
fbf2671b | 322 | static DEVICE_ATTR_RW(group_addr); |
fda93d92 | 323 | |
14f31bb3 XL |
324 | static int set_flush(struct net_bridge *br, unsigned long val) |
325 | { | |
326 | br_fdb_flush(br); | |
327 | return 0; | |
328 | } | |
329 | ||
fbf2671b | 330 | static ssize_t flush_store(struct device *d, |
9cf63747 SH |
331 | struct device_attribute *attr, |
332 | const char *buf, size_t len) | |
333 | { | |
14f31bb3 | 334 | return store_bridge_parm(d, buf, len, set_flush); |
9cf63747 | 335 | } |
fbf2671b | 336 | static DEVICE_ATTR_WO(flush); |
fda93d92 | 337 | |
0909e117 | 338 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
fbf2671b | 339 | static ssize_t multicast_router_show(struct device *d, |
0909e117 HX |
340 | struct device_attribute *attr, char *buf) |
341 | { | |
342 | struct net_bridge *br = to_bridge(d); | |
343 | return sprintf(buf, "%d\n", br->multicast_router); | |
344 | } | |
345 | ||
fbf2671b | 346 | static ssize_t multicast_router_store(struct device *d, |
0909e117 HX |
347 | struct device_attribute *attr, |
348 | const char *buf, size_t len) | |
349 | { | |
350 | return store_bridge_parm(d, buf, len, br_multicast_set_router); | |
351 | } | |
fbf2671b | 352 | static DEVICE_ATTR_RW(multicast_router); |
561f1103 | 353 | |
fbf2671b | 354 | static ssize_t multicast_snooping_show(struct device *d, |
561f1103 HX |
355 | struct device_attribute *attr, |
356 | char *buf) | |
357 | { | |
358 | struct net_bridge *br = to_bridge(d); | |
359 | return sprintf(buf, "%d\n", !br->multicast_disabled); | |
360 | } | |
361 | ||
fbf2671b | 362 | static ssize_t multicast_snooping_store(struct device *d, |
561f1103 HX |
363 | struct device_attribute *attr, |
364 | const char *buf, size_t len) | |
365 | { | |
366 | return store_bridge_parm(d, buf, len, br_multicast_toggle); | |
367 | } | |
fbf2671b | 368 | static DEVICE_ATTR_RW(multicast_snooping); |
b195167f | 369 | |
fbf2671b | 370 | static ssize_t multicast_query_use_ifaddr_show(struct device *d, |
371 | struct device_attribute *attr, | |
372 | char *buf) | |
1c8ad5bf CW |
373 | { |
374 | struct net_bridge *br = to_bridge(d); | |
375 | return sprintf(buf, "%d\n", br->multicast_query_use_ifaddr); | |
376 | } | |
377 | ||
378 | static int set_query_use_ifaddr(struct net_bridge *br, unsigned long val) | |
379 | { | |
380 | br->multicast_query_use_ifaddr = !!val; | |
381 | return 0; | |
382 | } | |
383 | ||
384 | static ssize_t | |
fbf2671b | 385 | multicast_query_use_ifaddr_store(struct device *d, |
1c8ad5bf CW |
386 | struct device_attribute *attr, |
387 | const char *buf, size_t len) | |
388 | { | |
389 | return store_bridge_parm(d, buf, len, set_query_use_ifaddr); | |
390 | } | |
fbf2671b | 391 | static DEVICE_ATTR_RW(multicast_query_use_ifaddr); |
1c8ad5bf | 392 | |
fbf2671b | 393 | static ssize_t multicast_querier_show(struct device *d, |
c5c23260 HX |
394 | struct device_attribute *attr, |
395 | char *buf) | |
396 | { | |
397 | struct net_bridge *br = to_bridge(d); | |
398 | return sprintf(buf, "%d\n", br->multicast_querier); | |
399 | } | |
400 | ||
fbf2671b | 401 | static ssize_t multicast_querier_store(struct device *d, |
c5c23260 HX |
402 | struct device_attribute *attr, |
403 | const char *buf, size_t len) | |
404 | { | |
405 | return store_bridge_parm(d, buf, len, br_multicast_set_querier); | |
406 | } | |
fbf2671b | 407 | static DEVICE_ATTR_RW(multicast_querier); |
c5c23260 | 408 | |
fbf2671b | 409 | static ssize_t hash_elasticity_show(struct device *d, |
b195167f HX |
410 | struct device_attribute *attr, char *buf) |
411 | { | |
412 | struct net_bridge *br = to_bridge(d); | |
413 | return sprintf(buf, "%u\n", br->hash_elasticity); | |
414 | } | |
415 | ||
416 | static int set_elasticity(struct net_bridge *br, unsigned long val) | |
417 | { | |
418 | br->hash_elasticity = val; | |
419 | return 0; | |
420 | } | |
421 | ||
fbf2671b | 422 | static ssize_t hash_elasticity_store(struct device *d, |
b195167f HX |
423 | struct device_attribute *attr, |
424 | const char *buf, size_t len) | |
425 | { | |
426 | return store_bridge_parm(d, buf, len, set_elasticity); | |
427 | } | |
fbf2671b | 428 | static DEVICE_ATTR_RW(hash_elasticity); |
b195167f | 429 | |
fbf2671b | 430 | static ssize_t hash_max_show(struct device *d, struct device_attribute *attr, |
b195167f HX |
431 | char *buf) |
432 | { | |
433 | struct net_bridge *br = to_bridge(d); | |
434 | return sprintf(buf, "%u\n", br->hash_max); | |
435 | } | |
436 | ||
fbf2671b | 437 | static ssize_t hash_max_store(struct device *d, struct device_attribute *attr, |
b195167f HX |
438 | const char *buf, size_t len) |
439 | { | |
440 | return store_bridge_parm(d, buf, len, br_multicast_set_hash_max); | |
441 | } | |
fbf2671b | 442 | static DEVICE_ATTR_RW(hash_max); |
d902eee4 | 443 | |
5e923585 NA |
444 | static ssize_t multicast_igmp_version_show(struct device *d, |
445 | struct device_attribute *attr, | |
446 | char *buf) | |
447 | { | |
448 | struct net_bridge *br = to_bridge(d); | |
449 | ||
450 | return sprintf(buf, "%u\n", br->multicast_igmp_version); | |
451 | } | |
452 | ||
453 | static ssize_t multicast_igmp_version_store(struct device *d, | |
454 | struct device_attribute *attr, | |
455 | const char *buf, size_t len) | |
456 | { | |
457 | return store_bridge_parm(d, buf, len, br_multicast_set_igmp_version); | |
458 | } | |
459 | static DEVICE_ATTR_RW(multicast_igmp_version); | |
460 | ||
fbf2671b | 461 | static ssize_t multicast_last_member_count_show(struct device *d, |
d902eee4 HX |
462 | struct device_attribute *attr, |
463 | char *buf) | |
464 | { | |
465 | struct net_bridge *br = to_bridge(d); | |
466 | return sprintf(buf, "%u\n", br->multicast_last_member_count); | |
467 | } | |
468 | ||
469 | static int set_last_member_count(struct net_bridge *br, unsigned long val) | |
470 | { | |
471 | br->multicast_last_member_count = val; | |
472 | return 0; | |
473 | } | |
474 | ||
fbf2671b | 475 | static ssize_t multicast_last_member_count_store(struct device *d, |
d902eee4 HX |
476 | struct device_attribute *attr, |
477 | const char *buf, size_t len) | |
478 | { | |
479 | return store_bridge_parm(d, buf, len, set_last_member_count); | |
480 | } | |
fbf2671b | 481 | static DEVICE_ATTR_RW(multicast_last_member_count); |
d902eee4 | 482 | |
fbf2671b | 483 | static ssize_t multicast_startup_query_count_show( |
d902eee4 HX |
484 | struct device *d, struct device_attribute *attr, char *buf) |
485 | { | |
486 | struct net_bridge *br = to_bridge(d); | |
487 | return sprintf(buf, "%u\n", br->multicast_startup_query_count); | |
488 | } | |
489 | ||
490 | static int set_startup_query_count(struct net_bridge *br, unsigned long val) | |
491 | { | |
492 | br->multicast_startup_query_count = val; | |
493 | return 0; | |
494 | } | |
495 | ||
fbf2671b | 496 | static ssize_t multicast_startup_query_count_store( |
d902eee4 HX |
497 | struct device *d, struct device_attribute *attr, const char *buf, |
498 | size_t len) | |
499 | { | |
500 | return store_bridge_parm(d, buf, len, set_startup_query_count); | |
501 | } | |
fbf2671b | 502 | static DEVICE_ATTR_RW(multicast_startup_query_count); |
d902eee4 | 503 | |
fbf2671b | 504 | static ssize_t multicast_last_member_interval_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, "%lu\n", | |
509 | jiffies_to_clock_t(br->multicast_last_member_interval)); | |
510 | } | |
511 | ||
512 | static int set_last_member_interval(struct net_bridge *br, unsigned long val) | |
513 | { | |
514 | br->multicast_last_member_interval = clock_t_to_jiffies(val); | |
515 | return 0; | |
516 | } | |
517 | ||
fbf2671b | 518 | static ssize_t multicast_last_member_interval_store( |
d902eee4 HX |
519 | struct device *d, struct device_attribute *attr, const char *buf, |
520 | size_t len) | |
521 | { | |
522 | return store_bridge_parm(d, buf, len, set_last_member_interval); | |
523 | } | |
fbf2671b | 524 | static DEVICE_ATTR_RW(multicast_last_member_interval); |
d902eee4 | 525 | |
fbf2671b | 526 | static ssize_t multicast_membership_interval_show( |
d902eee4 HX |
527 | struct device *d, struct device_attribute *attr, char *buf) |
528 | { | |
529 | struct net_bridge *br = to_bridge(d); | |
530 | return sprintf(buf, "%lu\n", | |
531 | jiffies_to_clock_t(br->multicast_membership_interval)); | |
532 | } | |
533 | ||
534 | static int set_membership_interval(struct net_bridge *br, unsigned long val) | |
535 | { | |
536 | br->multicast_membership_interval = clock_t_to_jiffies(val); | |
537 | return 0; | |
538 | } | |
539 | ||
fbf2671b | 540 | static ssize_t multicast_membership_interval_store( |
d902eee4 HX |
541 | struct device *d, struct device_attribute *attr, const char *buf, |
542 | size_t len) | |
543 | { | |
544 | return store_bridge_parm(d, buf, len, set_membership_interval); | |
545 | } | |
fbf2671b | 546 | static DEVICE_ATTR_RW(multicast_membership_interval); |
d902eee4 | 547 | |
fbf2671b | 548 | static ssize_t multicast_querier_interval_show(struct device *d, |
d902eee4 HX |
549 | struct device_attribute *attr, |
550 | char *buf) | |
551 | { | |
552 | struct net_bridge *br = to_bridge(d); | |
553 | return sprintf(buf, "%lu\n", | |
554 | jiffies_to_clock_t(br->multicast_querier_interval)); | |
555 | } | |
556 | ||
557 | static int set_querier_interval(struct net_bridge *br, unsigned long val) | |
558 | { | |
559 | br->multicast_querier_interval = clock_t_to_jiffies(val); | |
560 | return 0; | |
561 | } | |
562 | ||
fbf2671b | 563 | static ssize_t multicast_querier_interval_store(struct device *d, |
d902eee4 HX |
564 | struct device_attribute *attr, |
565 | const char *buf, size_t len) | |
566 | { | |
567 | return store_bridge_parm(d, buf, len, set_querier_interval); | |
568 | } | |
fbf2671b | 569 | static DEVICE_ATTR_RW(multicast_querier_interval); |
d902eee4 | 570 | |
fbf2671b | 571 | static ssize_t multicast_query_interval_show(struct device *d, |
d902eee4 HX |
572 | struct device_attribute *attr, |
573 | char *buf) | |
574 | { | |
575 | struct net_bridge *br = to_bridge(d); | |
576 | return sprintf(buf, "%lu\n", | |
577 | jiffies_to_clock_t(br->multicast_query_interval)); | |
578 | } | |
579 | ||
580 | static int set_query_interval(struct net_bridge *br, unsigned long val) | |
581 | { | |
582 | br->multicast_query_interval = clock_t_to_jiffies(val); | |
583 | return 0; | |
584 | } | |
585 | ||
fbf2671b | 586 | static ssize_t multicast_query_interval_store(struct device *d, |
d902eee4 HX |
587 | struct device_attribute *attr, |
588 | const char *buf, size_t len) | |
589 | { | |
590 | return store_bridge_parm(d, buf, len, set_query_interval); | |
591 | } | |
fbf2671b | 592 | static DEVICE_ATTR_RW(multicast_query_interval); |
d902eee4 | 593 | |
fbf2671b | 594 | static ssize_t multicast_query_response_interval_show( |
d902eee4 HX |
595 | struct device *d, struct device_attribute *attr, char *buf) |
596 | { | |
597 | struct net_bridge *br = to_bridge(d); | |
598 | return sprintf( | |
599 | buf, "%lu\n", | |
600 | jiffies_to_clock_t(br->multicast_query_response_interval)); | |
601 | } | |
602 | ||
603 | static int set_query_response_interval(struct net_bridge *br, unsigned long val) | |
604 | { | |
605 | br->multicast_query_response_interval = clock_t_to_jiffies(val); | |
606 | return 0; | |
607 | } | |
608 | ||
fbf2671b | 609 | static ssize_t multicast_query_response_interval_store( |
d902eee4 HX |
610 | struct device *d, struct device_attribute *attr, const char *buf, |
611 | size_t len) | |
612 | { | |
613 | return store_bridge_parm(d, buf, len, set_query_response_interval); | |
614 | } | |
fbf2671b | 615 | static DEVICE_ATTR_RW(multicast_query_response_interval); |
d902eee4 | 616 | |
fbf2671b | 617 | static ssize_t multicast_startup_query_interval_show( |
d902eee4 HX |
618 | struct device *d, struct device_attribute *attr, char *buf) |
619 | { | |
620 | struct net_bridge *br = to_bridge(d); | |
621 | return sprintf( | |
622 | buf, "%lu\n", | |
623 | jiffies_to_clock_t(br->multicast_startup_query_interval)); | |
624 | } | |
625 | ||
626 | static int set_startup_query_interval(struct net_bridge *br, unsigned long val) | |
627 | { | |
628 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); | |
629 | return 0; | |
630 | } | |
631 | ||
fbf2671b | 632 | static ssize_t multicast_startup_query_interval_store( |
d902eee4 HX |
633 | struct device *d, struct device_attribute *attr, const char *buf, |
634 | size_t len) | |
635 | { | |
636 | return store_bridge_parm(d, buf, len, set_startup_query_interval); | |
637 | } | |
fbf2671b | 638 | static DEVICE_ATTR_RW(multicast_startup_query_interval); |
1080ab95 NA |
639 | |
640 | static ssize_t multicast_stats_enabled_show(struct device *d, | |
641 | struct device_attribute *attr, | |
642 | char *buf) | |
643 | { | |
644 | struct net_bridge *br = to_bridge(d); | |
645 | ||
646 | return sprintf(buf, "%u\n", br->multicast_stats_enabled); | |
647 | } | |
648 | ||
649 | static int set_stats_enabled(struct net_bridge *br, unsigned long val) | |
650 | { | |
651 | br->multicast_stats_enabled = !!val; | |
652 | return 0; | |
653 | } | |
654 | ||
655 | static ssize_t multicast_stats_enabled_store(struct device *d, | |
656 | struct device_attribute *attr, | |
657 | const char *buf, | |
658 | size_t len) | |
659 | { | |
660 | return store_bridge_parm(d, buf, len, set_stats_enabled); | |
661 | } | |
662 | static DEVICE_ATTR_RW(multicast_stats_enabled); | |
aa2ae3e7 NA |
663 | |
664 | #if IS_ENABLED(CONFIG_IPV6) | |
665 | static ssize_t multicast_mld_version_show(struct device *d, | |
666 | struct device_attribute *attr, | |
667 | char *buf) | |
668 | { | |
669 | struct net_bridge *br = to_bridge(d); | |
670 | ||
671 | return sprintf(buf, "%u\n", br->multicast_mld_version); | |
672 | } | |
673 | ||
674 | static ssize_t multicast_mld_version_store(struct device *d, | |
675 | struct device_attribute *attr, | |
676 | const char *buf, size_t len) | |
677 | { | |
678 | return store_bridge_parm(d, buf, len, br_multicast_set_mld_version); | |
679 | } | |
680 | static DEVICE_ATTR_RW(multicast_mld_version); | |
681 | #endif | |
0909e117 | 682 | #endif |
34666d46 | 683 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
fbf2671b | 684 | static ssize_t nf_call_iptables_show( |
4df53d8b PM |
685 | struct device *d, struct device_attribute *attr, char *buf) |
686 | { | |
687 | struct net_bridge *br = to_bridge(d); | |
688 | return sprintf(buf, "%u\n", br->nf_call_iptables); | |
689 | } | |
690 | ||
691 | static int set_nf_call_iptables(struct net_bridge *br, unsigned long val) | |
692 | { | |
693 | br->nf_call_iptables = val ? true : false; | |
694 | return 0; | |
695 | } | |
696 | ||
fbf2671b | 697 | static ssize_t nf_call_iptables_store( |
4df53d8b PM |
698 | struct device *d, struct device_attribute *attr, const char *buf, |
699 | size_t len) | |
700 | { | |
701 | return store_bridge_parm(d, buf, len, set_nf_call_iptables); | |
702 | } | |
fbf2671b | 703 | static DEVICE_ATTR_RW(nf_call_iptables); |
4df53d8b | 704 | |
fbf2671b | 705 | static ssize_t nf_call_ip6tables_show( |
4df53d8b PM |
706 | struct device *d, struct device_attribute *attr, char *buf) |
707 | { | |
708 | struct net_bridge *br = to_bridge(d); | |
709 | return sprintf(buf, "%u\n", br->nf_call_ip6tables); | |
710 | } | |
711 | ||
712 | static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val) | |
713 | { | |
714 | br->nf_call_ip6tables = val ? true : false; | |
715 | return 0; | |
716 | } | |
717 | ||
fbf2671b | 718 | static ssize_t nf_call_ip6tables_store( |
4df53d8b PM |
719 | struct device *d, struct device_attribute *attr, const char *buf, |
720 | size_t len) | |
721 | { | |
722 | return store_bridge_parm(d, buf, len, set_nf_call_ip6tables); | |
723 | } | |
fbf2671b | 724 | static DEVICE_ATTR_RW(nf_call_ip6tables); |
4df53d8b | 725 | |
fbf2671b | 726 | static ssize_t nf_call_arptables_show( |
4df53d8b PM |
727 | struct device *d, struct device_attribute *attr, char *buf) |
728 | { | |
729 | struct net_bridge *br = to_bridge(d); | |
730 | return sprintf(buf, "%u\n", br->nf_call_arptables); | |
731 | } | |
732 | ||
733 | static int set_nf_call_arptables(struct net_bridge *br, unsigned long val) | |
734 | { | |
735 | br->nf_call_arptables = val ? true : false; | |
736 | return 0; | |
737 | } | |
738 | ||
fbf2671b | 739 | static ssize_t nf_call_arptables_store( |
4df53d8b PM |
740 | struct device *d, struct device_attribute *attr, const char *buf, |
741 | size_t len) | |
742 | { | |
743 | return store_bridge_parm(d, buf, len, set_nf_call_arptables); | |
744 | } | |
fbf2671b | 745 | static DEVICE_ATTR_RW(nf_call_arptables); |
4df53d8b | 746 | #endif |
243a2e63 | 747 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
fbf2671b | 748 | static ssize_t vlan_filtering_show(struct device *d, |
243a2e63 VY |
749 | struct device_attribute *attr, |
750 | char *buf) | |
751 | { | |
752 | struct net_bridge *br = to_bridge(d); | |
753 | return sprintf(buf, "%d\n", br->vlan_enabled); | |
754 | } | |
755 | ||
fbf2671b | 756 | static ssize_t vlan_filtering_store(struct device *d, |
243a2e63 VY |
757 | struct device_attribute *attr, |
758 | const char *buf, size_t len) | |
759 | { | |
760 | return store_bridge_parm(d, buf, len, br_vlan_filter_toggle); | |
761 | } | |
fbf2671b | 762 | static DEVICE_ATTR_RW(vlan_filtering); |
204177f3 TM |
763 | |
764 | static ssize_t vlan_protocol_show(struct device *d, | |
765 | struct device_attribute *attr, | |
766 | char *buf) | |
767 | { | |
768 | struct net_bridge *br = to_bridge(d); | |
769 | return sprintf(buf, "%#06x\n", ntohs(br->vlan_proto)); | |
770 | } | |
771 | ||
772 | static ssize_t vlan_protocol_store(struct device *d, | |
773 | struct device_attribute *attr, | |
774 | const char *buf, size_t len) | |
775 | { | |
776 | return store_bridge_parm(d, buf, len, br_vlan_set_proto); | |
777 | } | |
778 | static DEVICE_ATTR_RW(vlan_protocol); | |
96a20d9d VY |
779 | |
780 | static ssize_t default_pvid_show(struct device *d, | |
781 | struct device_attribute *attr, | |
782 | char *buf) | |
783 | { | |
784 | struct net_bridge *br = to_bridge(d); | |
785 | return sprintf(buf, "%d\n", br->default_pvid); | |
786 | } | |
787 | ||
788 | static ssize_t default_pvid_store(struct device *d, | |
789 | struct device_attribute *attr, | |
790 | const char *buf, size_t len) | |
791 | { | |
792 | return store_bridge_parm(d, buf, len, br_vlan_set_default_pvid); | |
793 | } | |
794 | static DEVICE_ATTR_RW(default_pvid); | |
6dada9b1 NA |
795 | |
796 | static ssize_t vlan_stats_enabled_show(struct device *d, | |
797 | struct device_attribute *attr, | |
798 | char *buf) | |
799 | { | |
800 | struct net_bridge *br = to_bridge(d); | |
801 | return sprintf(buf, "%u\n", br->vlan_stats_enabled); | |
802 | } | |
803 | ||
804 | static ssize_t vlan_stats_enabled_store(struct device *d, | |
805 | struct device_attribute *attr, | |
806 | const char *buf, size_t len) | |
807 | { | |
808 | return store_bridge_parm(d, buf, len, br_vlan_set_stats); | |
809 | } | |
810 | static DEVICE_ATTR_RW(vlan_stats_enabled); | |
243a2e63 | 811 | #endif |
0909e117 | 812 | |
1da177e4 | 813 | static struct attribute *bridge_attrs[] = { |
43cb76d9 GKH |
814 | &dev_attr_forward_delay.attr, |
815 | &dev_attr_hello_time.attr, | |
816 | &dev_attr_max_age.attr, | |
817 | &dev_attr_ageing_time.attr, | |
818 | &dev_attr_stp_state.attr, | |
515853cc | 819 | &dev_attr_group_fwd_mask.attr, |
43cb76d9 GKH |
820 | &dev_attr_priority.attr, |
821 | &dev_attr_bridge_id.attr, | |
822 | &dev_attr_root_id.attr, | |
823 | &dev_attr_root_path_cost.attr, | |
824 | &dev_attr_root_port.attr, | |
825 | &dev_attr_topology_change.attr, | |
826 | &dev_attr_topology_change_detected.attr, | |
827 | &dev_attr_hello_timer.attr, | |
828 | &dev_attr_tcn_timer.attr, | |
829 | &dev_attr_topology_change_timer.attr, | |
830 | &dev_attr_gc_timer.attr, | |
831 | &dev_attr_group_addr.attr, | |
9cf63747 | 832 | &dev_attr_flush.attr, |
0909e117 HX |
833 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
834 | &dev_attr_multicast_router.attr, | |
561f1103 | 835 | &dev_attr_multicast_snooping.attr, |
c5c23260 | 836 | &dev_attr_multicast_querier.attr, |
1c8ad5bf | 837 | &dev_attr_multicast_query_use_ifaddr.attr, |
b195167f HX |
838 | &dev_attr_hash_elasticity.attr, |
839 | &dev_attr_hash_max.attr, | |
d902eee4 HX |
840 | &dev_attr_multicast_last_member_count.attr, |
841 | &dev_attr_multicast_startup_query_count.attr, | |
842 | &dev_attr_multicast_last_member_interval.attr, | |
843 | &dev_attr_multicast_membership_interval.attr, | |
844 | &dev_attr_multicast_querier_interval.attr, | |
845 | &dev_attr_multicast_query_interval.attr, | |
846 | &dev_attr_multicast_query_response_interval.attr, | |
847 | &dev_attr_multicast_startup_query_interval.attr, | |
1080ab95 | 848 | &dev_attr_multicast_stats_enabled.attr, |
5e923585 | 849 | &dev_attr_multicast_igmp_version.attr, |
aa2ae3e7 NA |
850 | #if IS_ENABLED(CONFIG_IPV6) |
851 | &dev_attr_multicast_mld_version.attr, | |
852 | #endif | |
4df53d8b | 853 | #endif |
34666d46 | 854 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
4df53d8b PM |
855 | &dev_attr_nf_call_iptables.attr, |
856 | &dev_attr_nf_call_ip6tables.attr, | |
857 | &dev_attr_nf_call_arptables.attr, | |
243a2e63 VY |
858 | #endif |
859 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING | |
860 | &dev_attr_vlan_filtering.attr, | |
204177f3 | 861 | &dev_attr_vlan_protocol.attr, |
96a20d9d | 862 | &dev_attr_default_pvid.attr, |
6dada9b1 | 863 | &dev_attr_vlan_stats_enabled.attr, |
0909e117 | 864 | #endif |
1da177e4 LT |
865 | NULL |
866 | }; | |
867 | ||
cddbb79f | 868 | static const struct attribute_group bridge_group = { |
1da177e4 LT |
869 | .name = SYSFS_BRIDGE_ATTR, |
870 | .attrs = bridge_attrs, | |
871 | }; | |
872 | ||
873 | /* | |
874 | * Export the forwarding information table as a binary file | |
875 | * The records are struct __fdb_entry. | |
876 | * | |
877 | * Returns the number of bytes read. | |
878 | */ | |
2c3c8bea | 879 | static ssize_t brforward_read(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
880 | struct bin_attribute *bin_attr, |
881 | char *buf, loff_t off, size_t count) | |
1da177e4 | 882 | { |
aeb7ed14 | 883 | struct device *dev = kobj_to_dev(kobj); |
43cb76d9 | 884 | struct net_bridge *br = to_bridge(dev); |
1da177e4 LT |
885 | int n; |
886 | ||
887 | /* must read whole records */ | |
888 | if (off % sizeof(struct __fdb_entry) != 0) | |
889 | return -EINVAL; | |
890 | ||
9d6f229f | 891 | n = br_fdb_fillbuf(br, buf, |
1da177e4 LT |
892 | count / sizeof(struct __fdb_entry), |
893 | off / sizeof(struct __fdb_entry)); | |
894 | ||
895 | if (n > 0) | |
896 | n *= sizeof(struct __fdb_entry); | |
9d6f229f | 897 | |
1da177e4 LT |
898 | return n; |
899 | } | |
900 | ||
901 | static struct bin_attribute bridge_forward = { | |
902 | .attr = { .name = SYSFS_BRIDGE_FDB, | |
7b595756 | 903 | .mode = S_IRUGO, }, |
1da177e4 LT |
904 | .read = brforward_read, |
905 | }; | |
906 | ||
907 | /* | |
908 | * Add entries in sysfs onto the existing network class device | |
909 | * for the bridge. | |
910 | * Adds a attribute group "bridge" containing tuning parameters. | |
911 | * Binary attribute containing the forward table | |
912 | * Sub directory to hold links to interfaces. | |
913 | * | |
914 | * Note: the ifobj exists only to be a subdirectory | |
915 | * to hold links. The ifobj exists in same data structure | |
916 | * as it's parent the bridge so reference counting works. | |
917 | */ | |
918 | int br_sysfs_addbr(struct net_device *dev) | |
919 | { | |
43cb76d9 | 920 | struct kobject *brobj = &dev->dev.kobj; |
1da177e4 LT |
921 | struct net_bridge *br = netdev_priv(dev); |
922 | int err; | |
923 | ||
924 | err = sysfs_create_group(brobj, &bridge_group); | |
925 | if (err) { | |
926 | pr_info("%s: can't create group %s/%s\n", | |
0dc47877 | 927 | __func__, dev->name, bridge_group.name); |
1da177e4 LT |
928 | goto out1; |
929 | } | |
930 | ||
931 | err = sysfs_create_bin_file(brobj, &bridge_forward); | |
932 | if (err) { | |
1842c4be | 933 | pr_info("%s: can't create attribute file %s/%s\n", |
0dc47877 | 934 | __func__, dev->name, bridge_forward.attr.name); |
1da177e4 LT |
935 | goto out2; |
936 | } | |
937 | ||
43b98c4a GKH |
938 | br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj); |
939 | if (!br->ifobj) { | |
1da177e4 | 940 | pr_info("%s: can't add kobject (directory) %s/%s\n", |
0dc47877 | 941 | __func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR); |
b5958963 | 942 | err = -ENOMEM; |
1da177e4 LT |
943 | goto out3; |
944 | } | |
945 | return 0; | |
946 | out3: | |
43cb76d9 | 947 | sysfs_remove_bin_file(&dev->dev.kobj, &bridge_forward); |
1da177e4 | 948 | out2: |
43cb76d9 | 949 | sysfs_remove_group(&dev->dev.kobj, &bridge_group); |
1da177e4 LT |
950 | out1: |
951 | return err; | |
952 | ||
953 | } | |
954 | ||
955 | void br_sysfs_delbr(struct net_device *dev) | |
956 | { | |
43cb76d9 | 957 | struct kobject *kobj = &dev->dev.kobj; |
1da177e4 LT |
958 | struct net_bridge *br = netdev_priv(dev); |
959 | ||
78a2d906 | 960 | kobject_put(br->ifobj); |
1da177e4 LT |
961 | sysfs_remove_bin_file(kobj, &bridge_forward); |
962 | sysfs_remove_group(kobj, &bridge_group); | |
963 | } |