Commit | Line | Data |
---|---|---|
b76cdba9 MW |
1 | /* |
2 | * Copyright(c) 2004-2005 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the | |
6 | * Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
adf8d3ff | 15 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
b76cdba9 MW |
16 | * |
17 | * The full GNU General Public License is included in this distribution in the | |
18 | * file called LICENSE. | |
19 | * | |
b76cdba9 | 20 | */ |
a4aee5c8 JP |
21 | |
22 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
23 | ||
b76cdba9 MW |
24 | #include <linux/kernel.h> |
25 | #include <linux/module.h> | |
b76cdba9 | 26 | #include <linux/device.h> |
d43c36dc | 27 | #include <linux/sched.h> |
b76cdba9 MW |
28 | #include <linux/fs.h> |
29 | #include <linux/types.h> | |
30 | #include <linux/string.h> | |
31 | #include <linux/netdevice.h> | |
32 | #include <linux/inetdevice.h> | |
33 | #include <linux/in.h> | |
34 | #include <linux/sysfs.h> | |
b76cdba9 MW |
35 | #include <linux/ctype.h> |
36 | #include <linux/inet.h> | |
37 | #include <linux/rtnetlink.h> | |
5c5129b5 | 38 | #include <linux/etherdevice.h> |
881d966b | 39 | #include <net/net_namespace.h> |
ec87fd3b EB |
40 | #include <net/netns/generic.h> |
41 | #include <linux/nsproxy.h> | |
b76cdba9 | 42 | |
b76cdba9 | 43 | #include "bonding.h" |
5a03cdb7 | 44 | |
3d632c3f | 45 | #define to_dev(obj) container_of(obj, struct device, kobj) |
454d7c9b | 46 | #define to_bond(cd) ((struct bonding *)(netdev_priv(to_net_dev(cd)))) |
b76cdba9 | 47 | |
b76cdba9 MW |
48 | /* |
49 | * "show" function for the bond_masters attribute. | |
50 | * The class parameter is ignored. | |
51 | */ | |
28812fe1 AK |
52 | static ssize_t bonding_show_bonds(struct class *cls, |
53 | struct class_attribute *attr, | |
54 | char *buf) | |
b76cdba9 | 55 | { |
4c22400a EB |
56 | struct bond_net *bn = |
57 | container_of(attr, struct bond_net, class_attr_bonding_masters); | |
b76cdba9 MW |
58 | int res = 0; |
59 | struct bonding *bond; | |
60 | ||
7e083840 | 61 | rtnl_lock(); |
b76cdba9 | 62 | |
ec87fd3b | 63 | list_for_each_entry(bond, &bn->dev_list, bond_list) { |
b76cdba9 MW |
64 | if (res > (PAGE_SIZE - IFNAMSIZ)) { |
65 | /* not enough space for another interface name */ | |
66 | if ((PAGE_SIZE - res) > 10) | |
67 | res = PAGE_SIZE - 10; | |
b8843665 | 68 | res += sprintf(buf + res, "++more++ "); |
b76cdba9 MW |
69 | break; |
70 | } | |
b8843665 | 71 | res += sprintf(buf + res, "%s ", bond->dev->name); |
b76cdba9 | 72 | } |
1dcdcd69 WF |
73 | if (res) |
74 | buf[res-1] = '\n'; /* eat the leftover space */ | |
7e083840 SH |
75 | |
76 | rtnl_unlock(); | |
b76cdba9 MW |
77 | return res; |
78 | } | |
79 | ||
4c22400a | 80 | static struct net_device *bond_get_by_name(struct bond_net *bn, const char *ifname) |
373500db SH |
81 | { |
82 | struct bonding *bond; | |
83 | ||
ec87fd3b | 84 | list_for_each_entry(bond, &bn->dev_list, bond_list) { |
373500db SH |
85 | if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0) |
86 | return bond->dev; | |
87 | } | |
88 | return NULL; | |
89 | } | |
90 | ||
b76cdba9 MW |
91 | /* |
92 | * "store" function for the bond_masters attribute. This is what | |
93 | * creates and deletes entire bonds. | |
94 | * | |
95 | * The class parameter is ignored. | |
96 | * | |
97 | */ | |
98 | ||
3d632c3f | 99 | static ssize_t bonding_store_bonds(struct class *cls, |
28812fe1 | 100 | struct class_attribute *attr, |
3d632c3f | 101 | const char *buffer, size_t count) |
b76cdba9 | 102 | { |
4c22400a EB |
103 | struct bond_net *bn = |
104 | container_of(attr, struct bond_net, class_attr_bonding_masters); | |
b76cdba9 MW |
105 | char command[IFNAMSIZ + 1] = {0, }; |
106 | char *ifname; | |
027ea041 | 107 | int rv, res = count; |
b76cdba9 | 108 | |
b76cdba9 MW |
109 | sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ |
110 | ifname = command + 1; | |
111 | if ((strlen(command) <= 1) || | |
112 | !dev_valid_name(ifname)) | |
113 | goto err_no_cmd; | |
114 | ||
115 | if (command[0] == '+') { | |
a4aee5c8 | 116 | pr_info("%s is being created...\n", ifname); |
4c22400a | 117 | rv = bond_create(bn->net, ifname); |
027ea041 | 118 | if (rv) { |
5f86cad1 PO |
119 | if (rv == -EEXIST) |
120 | pr_info("%s already exists.\n", ifname); | |
121 | else | |
122 | pr_info("%s creation failed.\n", ifname); | |
027ea041 | 123 | res = rv; |
b76cdba9 | 124 | } |
373500db SH |
125 | } else if (command[0] == '-') { |
126 | struct net_device *bond_dev; | |
b76cdba9 | 127 | |
027ea041 | 128 | rtnl_lock(); |
4c22400a | 129 | bond_dev = bond_get_by_name(bn, ifname); |
373500db | 130 | if (bond_dev) { |
a4aee5c8 | 131 | pr_info("%s is being deleted...\n", ifname); |
373500db SH |
132 | unregister_netdevice(bond_dev); |
133 | } else { | |
a4aee5c8 | 134 | pr_err("unable to delete non-existent %s\n", ifname); |
373500db SH |
135 | res = -ENODEV; |
136 | } | |
137 | rtnl_unlock(); | |
138 | } else | |
139 | goto err_no_cmd; | |
027ea041 | 140 | |
373500db SH |
141 | /* Always return either count or an error. If you return 0, you'll |
142 | * get called forever, which is bad. | |
143 | */ | |
144 | return res; | |
b76cdba9 MW |
145 | |
146 | err_no_cmd: | |
a4aee5c8 | 147 | pr_err("no command found in bonding_masters. Use +ifname or -ifname.\n"); |
c4ebc66a | 148 | return -EPERM; |
b76cdba9 | 149 | } |
373500db | 150 | |
b76cdba9 | 151 | /* class attribute for bond_masters file. This ends up in /sys/class/net */ |
4c22400a EB |
152 | static const struct class_attribute class_attr_bonding_masters = { |
153 | .attr = { | |
154 | .name = "bonding_masters", | |
155 | .mode = S_IWUSR | S_IRUGO, | |
156 | }, | |
157 | .show = bonding_show_bonds, | |
158 | .store = bonding_store_bonds, | |
4c22400a | 159 | }; |
b76cdba9 | 160 | |
b76cdba9 MW |
161 | /* |
162 | * Show the slaves in the current bond. | |
163 | */ | |
43cb76d9 GKH |
164 | static ssize_t bonding_show_slaves(struct device *d, |
165 | struct device_attribute *attr, char *buf) | |
b76cdba9 | 166 | { |
43cb76d9 | 167 | struct bonding *bond = to_bond(d); |
9caff1e7 | 168 | struct list_head *iter; |
dec1e90e | 169 | struct slave *slave; |
170 | int res = 0; | |
b76cdba9 | 171 | |
4d1ae5fb | 172 | if (!rtnl_trylock()) |
173 | return restart_syscall(); | |
174 | ||
9caff1e7 | 175 | bond_for_each_slave(bond, slave, iter) { |
b76cdba9 MW |
176 | if (res > (PAGE_SIZE - IFNAMSIZ)) { |
177 | /* not enough space for another interface name */ | |
178 | if ((PAGE_SIZE - res) > 10) | |
179 | res = PAGE_SIZE - 10; | |
7bd46508 | 180 | res += sprintf(buf + res, "++more++ "); |
b76cdba9 MW |
181 | break; |
182 | } | |
183 | res += sprintf(buf + res, "%s ", slave->dev->name); | |
184 | } | |
4d1ae5fb | 185 | |
186 | rtnl_unlock(); | |
187 | ||
1dcdcd69 WF |
188 | if (res) |
189 | buf[res-1] = '\n'; /* eat the leftover space */ | |
dec1e90e | 190 | |
b76cdba9 MW |
191 | return res; |
192 | } | |
193 | ||
194 | /* | |
d6641ccf | 195 | * Set the slaves in the current bond. |
f9f3545e JP |
196 | * This is supposed to be only thin wrapper for bond_enslave and bond_release. |
197 | * All hard work should be done there. | |
b76cdba9 | 198 | */ |
43cb76d9 GKH |
199 | static ssize_t bonding_store_slaves(struct device *d, |
200 | struct device_attribute *attr, | |
201 | const char *buffer, size_t count) | |
b76cdba9 MW |
202 | { |
203 | char command[IFNAMSIZ + 1] = { 0, }; | |
204 | char *ifname; | |
f9f3545e JP |
205 | int res, ret = count; |
206 | struct net_device *dev; | |
43cb76d9 | 207 | struct bonding *bond = to_bond(d); |
b76cdba9 | 208 | |
496a60cd EB |
209 | if (!rtnl_trylock()) |
210 | return restart_syscall(); | |
027ea041 | 211 | |
b76cdba9 MW |
212 | sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ |
213 | ifname = command + 1; | |
214 | if ((strlen(command) <= 1) || | |
215 | !dev_valid_name(ifname)) | |
216 | goto err_no_cmd; | |
217 | ||
f9f3545e JP |
218 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); |
219 | if (!dev) { | |
220 | pr_info("%s: Interface %s does not exist!\n", | |
221 | bond->dev->name, ifname); | |
222 | ret = -ENODEV; | |
223 | goto out; | |
224 | } | |
b76cdba9 | 225 | |
f9f3545e JP |
226 | switch (command[0]) { |
227 | case '+': | |
228 | pr_info("%s: Adding slave %s.\n", bond->dev->name, dev->name); | |
b76cdba9 | 229 | res = bond_enslave(bond->dev, dev); |
f9f3545e | 230 | break; |
3d632c3f | 231 | |
f9f3545e JP |
232 | case '-': |
233 | pr_info("%s: Removing slave %s.\n", bond->dev->name, dev->name); | |
234 | res = bond_release(bond->dev, dev); | |
235 | break; | |
b76cdba9 | 236 | |
f9f3545e JP |
237 | default: |
238 | goto err_no_cmd; | |
b76cdba9 MW |
239 | } |
240 | ||
f9f3545e JP |
241 | if (res) |
242 | ret = res; | |
243 | goto out; | |
244 | ||
b76cdba9 | 245 | err_no_cmd: |
a4aee5c8 JP |
246 | pr_err("no command found in slaves file for bond %s. Use +ifname or -ifname.\n", |
247 | bond->dev->name); | |
b76cdba9 MW |
248 | ret = -EPERM; |
249 | ||
250 | out: | |
027ea041 | 251 | rtnl_unlock(); |
b76cdba9 MW |
252 | return ret; |
253 | } | |
254 | ||
3d632c3f SH |
255 | static DEVICE_ATTR(slaves, S_IRUGO | S_IWUSR, bonding_show_slaves, |
256 | bonding_store_slaves); | |
b76cdba9 MW |
257 | |
258 | /* | |
259 | * Show and set the bonding mode. The bond interface must be down to | |
260 | * change the mode. | |
261 | */ | |
43cb76d9 GKH |
262 | static ssize_t bonding_show_mode(struct device *d, |
263 | struct device_attribute *attr, char *buf) | |
b76cdba9 | 264 | { |
43cb76d9 | 265 | struct bonding *bond = to_bond(d); |
2b3798d5 | 266 | struct bond_opt_value *val; |
b76cdba9 | 267 | |
2b3798d5 NA |
268 | val = bond_opt_get_val(BOND_OPT_MODE, bond->params.mode); |
269 | ||
270 | return sprintf(buf, "%s %d\n", val->string, bond->params.mode); | |
b76cdba9 MW |
271 | } |
272 | ||
43cb76d9 GKH |
273 | static ssize_t bonding_store_mode(struct device *d, |
274 | struct device_attribute *attr, | |
275 | const char *buf, size_t count) | |
b76cdba9 | 276 | { |
43cb76d9 | 277 | struct bonding *bond = to_bond(d); |
2b3798d5 | 278 | int ret; |
b76cdba9 | 279 | |
2b3798d5 NA |
280 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_MODE, (char *)buf); |
281 | if (!ret) | |
72be35fe | 282 | ret = count; |
8f903c70 | 283 | |
b76cdba9 MW |
284 | return ret; |
285 | } | |
3d632c3f SH |
286 | static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, |
287 | bonding_show_mode, bonding_store_mode); | |
b76cdba9 MW |
288 | |
289 | /* | |
3d632c3f | 290 | * Show and set the bonding transmit hash method. |
b76cdba9 | 291 | */ |
43cb76d9 GKH |
292 | static ssize_t bonding_show_xmit_hash(struct device *d, |
293 | struct device_attribute *attr, | |
294 | char *buf) | |
b76cdba9 | 295 | { |
43cb76d9 | 296 | struct bonding *bond = to_bond(d); |
a4b32ce7 NA |
297 | struct bond_opt_value *val; |
298 | ||
299 | val = bond_opt_get_val(BOND_OPT_XMIT_HASH, bond->params.xmit_policy); | |
b76cdba9 | 300 | |
a4b32ce7 | 301 | return sprintf(buf, "%s %d\n", val->string, bond->params.xmit_policy); |
b76cdba9 MW |
302 | } |
303 | ||
43cb76d9 GKH |
304 | static ssize_t bonding_store_xmit_hash(struct device *d, |
305 | struct device_attribute *attr, | |
306 | const char *buf, size_t count) | |
b76cdba9 | 307 | { |
43cb76d9 | 308 | struct bonding *bond = to_bond(d); |
a4b32ce7 | 309 | int ret; |
b76cdba9 | 310 | |
a4b32ce7 | 311 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_XMIT_HASH, (char *)buf); |
f70161c6 | 312 | if (!ret) |
313 | ret = count; | |
314 | ||
b76cdba9 MW |
315 | return ret; |
316 | } | |
3d632c3f SH |
317 | static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR, |
318 | bonding_show_xmit_hash, bonding_store_xmit_hash); | |
b76cdba9 | 319 | |
f5b2b966 JV |
320 | /* |
321 | * Show and set arp_validate. | |
322 | */ | |
43cb76d9 GKH |
323 | static ssize_t bonding_show_arp_validate(struct device *d, |
324 | struct device_attribute *attr, | |
325 | char *buf) | |
f5b2b966 | 326 | { |
43cb76d9 | 327 | struct bonding *bond = to_bond(d); |
16228881 NA |
328 | struct bond_opt_value *val; |
329 | ||
330 | val = bond_opt_get_val(BOND_OPT_ARP_VALIDATE, | |
331 | bond->params.arp_validate); | |
f5b2b966 | 332 | |
16228881 | 333 | return sprintf(buf, "%s %d\n", val->string, bond->params.arp_validate); |
f5b2b966 JV |
334 | } |
335 | ||
43cb76d9 GKH |
336 | static ssize_t bonding_store_arp_validate(struct device *d, |
337 | struct device_attribute *attr, | |
338 | const char *buf, size_t count) | |
f5b2b966 | 339 | { |
43cb76d9 | 340 | struct bonding *bond = to_bond(d); |
16228881 | 341 | int ret; |
29c49482 | 342 | |
16228881 | 343 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ARP_VALIDATE, (char *)buf); |
29c49482 | 344 | if (!ret) |
345 | ret = count; | |
346 | ||
5c5038dc | 347 | return ret; |
f5b2b966 JV |
348 | } |
349 | ||
3d632c3f SH |
350 | static DEVICE_ATTR(arp_validate, S_IRUGO | S_IWUSR, bonding_show_arp_validate, |
351 | bonding_store_arp_validate); | |
8599b52e VF |
352 | /* |
353 | * Show and set arp_all_targets. | |
354 | */ | |
355 | static ssize_t bonding_show_arp_all_targets(struct device *d, | |
356 | struct device_attribute *attr, | |
357 | char *buf) | |
358 | { | |
359 | struct bonding *bond = to_bond(d); | |
edf36b24 | 360 | struct bond_opt_value *val; |
8599b52e | 361 | |
edf36b24 NA |
362 | val = bond_opt_get_val(BOND_OPT_ARP_ALL_TARGETS, |
363 | bond->params.arp_all_targets); | |
364 | return sprintf(buf, "%s %d\n", | |
365 | val->string, bond->params.arp_all_targets); | |
8599b52e VF |
366 | } |
367 | ||
368 | static ssize_t bonding_store_arp_all_targets(struct device *d, | |
369 | struct device_attribute *attr, | |
370 | const char *buf, size_t count) | |
371 | { | |
372 | struct bonding *bond = to_bond(d); | |
edf36b24 | 373 | int ret; |
8599b52e | 374 | |
edf36b24 | 375 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ARP_ALL_TARGETS, (char *)buf); |
d5c84254 | 376 | if (!ret) |
377 | ret = count; | |
378 | ||
d5c84254 | 379 | return ret; |
8599b52e VF |
380 | } |
381 | ||
382 | static DEVICE_ATTR(arp_all_targets, S_IRUGO | S_IWUSR, | |
383 | bonding_show_arp_all_targets, bonding_store_arp_all_targets); | |
f5b2b966 | 384 | |
dd957c57 JV |
385 | /* |
386 | * Show and store fail_over_mac. User only allowed to change the | |
387 | * value when there are no slaves. | |
388 | */ | |
3d632c3f SH |
389 | static ssize_t bonding_show_fail_over_mac(struct device *d, |
390 | struct device_attribute *attr, | |
391 | char *buf) | |
dd957c57 JV |
392 | { |
393 | struct bonding *bond = to_bond(d); | |
1df6b6aa | 394 | struct bond_opt_value *val; |
dd957c57 | 395 | |
1df6b6aa NA |
396 | val = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC, |
397 | bond->params.fail_over_mac); | |
398 | ||
399 | return sprintf(buf, "%s %d\n", val->string, bond->params.fail_over_mac); | |
dd957c57 JV |
400 | } |
401 | ||
3d632c3f SH |
402 | static ssize_t bonding_store_fail_over_mac(struct device *d, |
403 | struct device_attribute *attr, | |
404 | const char *buf, size_t count) | |
dd957c57 | 405 | { |
dd957c57 | 406 | struct bonding *bond = to_bond(d); |
1df6b6aa | 407 | int ret; |
dd957c57 | 408 | |
1df6b6aa | 409 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_FAIL_OVER_MAC, (char *)buf); |
89901972 | 410 | if (!ret) |
411 | ret = count; | |
3915c1e8 | 412 | |
9402b746 | 413 | return ret; |
dd957c57 JV |
414 | } |
415 | ||
3d632c3f SH |
416 | static DEVICE_ATTR(fail_over_mac, S_IRUGO | S_IWUSR, |
417 | bonding_show_fail_over_mac, bonding_store_fail_over_mac); | |
dd957c57 | 418 | |
b76cdba9 MW |
419 | /* |
420 | * Show and set the arp timer interval. There are two tricky bits | |
421 | * here. First, if ARP monitoring is activated, then we must disable | |
422 | * MII monitoring. Second, if the ARP timer isn't running, we must | |
423 | * start it. | |
424 | */ | |
43cb76d9 GKH |
425 | static ssize_t bonding_show_arp_interval(struct device *d, |
426 | struct device_attribute *attr, | |
427 | char *buf) | |
b76cdba9 | 428 | { |
43cb76d9 | 429 | struct bonding *bond = to_bond(d); |
b76cdba9 | 430 | |
7bd46508 | 431 | return sprintf(buf, "%d\n", bond->params.arp_interval); |
b76cdba9 MW |
432 | } |
433 | ||
43cb76d9 GKH |
434 | static ssize_t bonding_store_arp_interval(struct device *d, |
435 | struct device_attribute *attr, | |
436 | const char *buf, size_t count) | |
b76cdba9 | 437 | { |
43cb76d9 | 438 | struct bonding *bond = to_bond(d); |
7bdb04ed | 439 | int ret; |
06151dbc | 440 | |
7bdb04ed | 441 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ARP_INTERVAL, (char *)buf); |
06151dbc | 442 | if (!ret) |
443 | ret = count; | |
444 | ||
b76cdba9 MW |
445 | return ret; |
446 | } | |
3d632c3f SH |
447 | static DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR, |
448 | bonding_show_arp_interval, bonding_store_arp_interval); | |
b76cdba9 MW |
449 | |
450 | /* | |
451 | * Show and set the arp targets. | |
452 | */ | |
43cb76d9 GKH |
453 | static ssize_t bonding_show_arp_targets(struct device *d, |
454 | struct device_attribute *attr, | |
455 | char *buf) | |
b76cdba9 | 456 | { |
43cb76d9 | 457 | struct bonding *bond = to_bond(d); |
4fb0ef58 | 458 | int i, res = 0; |
b76cdba9 MW |
459 | |
460 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { | |
461 | if (bond->params.arp_targets[i]) | |
63779436 HH |
462 | res += sprintf(buf + res, "%pI4 ", |
463 | &bond->params.arp_targets[i]); | |
b76cdba9 | 464 | } |
1dcdcd69 WF |
465 | if (res) |
466 | buf[res-1] = '\n'; /* eat the leftover space */ | |
4fb0ef58 | 467 | |
b76cdba9 MW |
468 | return res; |
469 | } | |
470 | ||
43cb76d9 GKH |
471 | static ssize_t bonding_store_arp_targets(struct device *d, |
472 | struct device_attribute *attr, | |
473 | const char *buf, size_t count) | |
b76cdba9 | 474 | { |
43cb76d9 | 475 | struct bonding *bond = to_bond(d); |
4fb0ef58 | 476 | int ret; |
b76cdba9 | 477 | |
4fb0ef58 | 478 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ARP_TARGETS, (char *)buf); |
7f28fa10 | 479 | if (!ret) |
480 | ret = count; | |
481 | ||
b76cdba9 MW |
482 | return ret; |
483 | } | |
43cb76d9 | 484 | static DEVICE_ATTR(arp_ip_target, S_IRUGO | S_IWUSR , bonding_show_arp_targets, bonding_store_arp_targets); |
b76cdba9 MW |
485 | |
486 | /* | |
487 | * Show and set the up and down delays. These must be multiples of the | |
488 | * MII monitoring value, and are stored internally as the multiplier. | |
489 | * Thus, we must translate to MS for the real world. | |
490 | */ | |
43cb76d9 GKH |
491 | static ssize_t bonding_show_downdelay(struct device *d, |
492 | struct device_attribute *attr, | |
493 | char *buf) | |
b76cdba9 | 494 | { |
43cb76d9 | 495 | struct bonding *bond = to_bond(d); |
b76cdba9 | 496 | |
7bd46508 | 497 | return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon); |
b76cdba9 MW |
498 | } |
499 | ||
43cb76d9 GKH |
500 | static ssize_t bonding_store_downdelay(struct device *d, |
501 | struct device_attribute *attr, | |
502 | const char *buf, size_t count) | |
b76cdba9 | 503 | { |
43cb76d9 | 504 | struct bonding *bond = to_bond(d); |
25a9b54a | 505 | int ret; |
b76cdba9 | 506 | |
25a9b54a | 507 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_DOWNDELAY, (char *)buf); |
c7461f9b | 508 | if (!ret) |
509 | ret = count; | |
b76cdba9 | 510 | |
b76cdba9 MW |
511 | return ret; |
512 | } | |
3d632c3f SH |
513 | static DEVICE_ATTR(downdelay, S_IRUGO | S_IWUSR, |
514 | bonding_show_downdelay, bonding_store_downdelay); | |
b76cdba9 | 515 | |
43cb76d9 GKH |
516 | static ssize_t bonding_show_updelay(struct device *d, |
517 | struct device_attribute *attr, | |
518 | char *buf) | |
b76cdba9 | 519 | { |
43cb76d9 | 520 | struct bonding *bond = to_bond(d); |
b76cdba9 | 521 | |
7bd46508 | 522 | return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon); |
b76cdba9 MW |
523 | |
524 | } | |
525 | ||
43cb76d9 GKH |
526 | static ssize_t bonding_store_updelay(struct device *d, |
527 | struct device_attribute *attr, | |
528 | const char *buf, size_t count) | |
b76cdba9 | 529 | { |
43cb76d9 | 530 | struct bonding *bond = to_bond(d); |
e4994612 | 531 | int ret; |
b76cdba9 | 532 | |
e4994612 | 533 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_UPDELAY, (char *)buf); |
25852e29 | 534 | if (!ret) |
535 | ret = count; | |
536 | ||
b76cdba9 MW |
537 | return ret; |
538 | } | |
3d632c3f SH |
539 | static DEVICE_ATTR(updelay, S_IRUGO | S_IWUSR, |
540 | bonding_show_updelay, bonding_store_updelay); | |
b76cdba9 MW |
541 | |
542 | /* | |
543 | * Show and set the LACP interval. Interface must be down, and the mode | |
544 | * must be set to 802.3ad mode. | |
545 | */ | |
43cb76d9 GKH |
546 | static ssize_t bonding_show_lacp(struct device *d, |
547 | struct device_attribute *attr, | |
548 | char *buf) | |
b76cdba9 | 549 | { |
43cb76d9 | 550 | struct bonding *bond = to_bond(d); |
d3131de7 | 551 | struct bond_opt_value *val; |
b76cdba9 | 552 | |
d3131de7 NA |
553 | val = bond_opt_get_val(BOND_OPT_LACP_RATE, bond->params.lacp_fast); |
554 | ||
555 | return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast); | |
b76cdba9 MW |
556 | } |
557 | ||
43cb76d9 GKH |
558 | static ssize_t bonding_store_lacp(struct device *d, |
559 | struct device_attribute *attr, | |
560 | const char *buf, size_t count) | |
b76cdba9 | 561 | { |
43cb76d9 | 562 | struct bonding *bond = to_bond(d); |
d3131de7 | 563 | int ret; |
998e40bb | 564 | |
d3131de7 | 565 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_LACP_RATE, (char *)buf); |
998e40bb | 566 | if (!ret) |
567 | ret = count; | |
568 | ||
b76cdba9 MW |
569 | return ret; |
570 | } | |
3d632c3f SH |
571 | static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, |
572 | bonding_show_lacp, bonding_store_lacp); | |
b76cdba9 | 573 | |
655f8919 | 574 | static ssize_t bonding_show_min_links(struct device *d, |
575 | struct device_attribute *attr, | |
576 | char *buf) | |
577 | { | |
578 | struct bonding *bond = to_bond(d); | |
579 | ||
580 | return sprintf(buf, "%d\n", bond->params.min_links); | |
581 | } | |
582 | ||
583 | static ssize_t bonding_store_min_links(struct device *d, | |
584 | struct device_attribute *attr, | |
585 | const char *buf, size_t count) | |
586 | { | |
587 | struct bonding *bond = to_bond(d); | |
588 | int ret; | |
655f8919 | 589 | |
633ddc9e | 590 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_MINLINKS, (char *)buf); |
7d101008 | 591 | if (!ret) |
592 | ret = count; | |
593 | ||
7d101008 | 594 | return ret; |
655f8919 | 595 | } |
596 | static DEVICE_ATTR(min_links, S_IRUGO | S_IWUSR, | |
597 | bonding_show_min_links, bonding_store_min_links); | |
598 | ||
fd989c83 JV |
599 | static ssize_t bonding_show_ad_select(struct device *d, |
600 | struct device_attribute *attr, | |
601 | char *buf) | |
602 | { | |
603 | struct bonding *bond = to_bond(d); | |
9e5f5eeb | 604 | struct bond_opt_value *val; |
fd989c83 | 605 | |
9e5f5eeb NA |
606 | val = bond_opt_get_val(BOND_OPT_AD_SELECT, bond->params.ad_select); |
607 | ||
608 | return sprintf(buf, "%s %d\n", val->string, bond->params.ad_select); | |
fd989c83 JV |
609 | } |
610 | ||
611 | ||
612 | static ssize_t bonding_store_ad_select(struct device *d, | |
613 | struct device_attribute *attr, | |
614 | const char *buf, size_t count) | |
615 | { | |
fd989c83 | 616 | struct bonding *bond = to_bond(d); |
9e5f5eeb | 617 | int ret; |
fd989c83 | 618 | |
9e5f5eeb | 619 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_AD_SELECT, (char *)buf); |
ec029fac | 620 | if (!ret) |
621 | ret = count; | |
622 | ||
fd989c83 JV |
623 | return ret; |
624 | } | |
3d632c3f SH |
625 | static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR, |
626 | bonding_show_ad_select, bonding_store_ad_select); | |
fd989c83 | 627 | |
ad246c99 BH |
628 | /* |
629 | * Show and set the number of peer notifications to send after a failover event. | |
630 | */ | |
631 | static ssize_t bonding_show_num_peer_notif(struct device *d, | |
632 | struct device_attribute *attr, | |
633 | char *buf) | |
634 | { | |
635 | struct bonding *bond = to_bond(d); | |
636 | return sprintf(buf, "%d\n", bond->params.num_peer_notif); | |
637 | } | |
638 | ||
639 | static ssize_t bonding_store_num_peer_notif(struct device *d, | |
640 | struct device_attribute *attr, | |
641 | const char *buf, size_t count) | |
642 | { | |
643 | struct bonding *bond = to_bond(d); | |
2c9839c1 | 644 | int ret; |
645 | ||
ef56becb | 646 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_NUM_PEER_NOTIF, (char *)buf); |
2c9839c1 | 647 | if (!ret) |
648 | ret = count; | |
649 | ||
2c9839c1 | 650 | return ret; |
ad246c99 BH |
651 | } |
652 | static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, | |
653 | bonding_show_num_peer_notif, bonding_store_num_peer_notif); | |
654 | static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR, | |
655 | bonding_show_num_peer_notif, bonding_store_num_peer_notif); | |
656 | ||
b76cdba9 MW |
657 | /* |
658 | * Show and set the MII monitor interval. There are two tricky bits | |
659 | * here. First, if MII monitoring is activated, then we must disable | |
660 | * ARP monitoring. Second, if the timer isn't running, we must | |
661 | * start it. | |
662 | */ | |
43cb76d9 GKH |
663 | static ssize_t bonding_show_miimon(struct device *d, |
664 | struct device_attribute *attr, | |
665 | char *buf) | |
b76cdba9 | 666 | { |
43cb76d9 | 667 | struct bonding *bond = to_bond(d); |
b76cdba9 | 668 | |
7bd46508 | 669 | return sprintf(buf, "%d\n", bond->params.miimon); |
b76cdba9 MW |
670 | } |
671 | ||
43cb76d9 GKH |
672 | static ssize_t bonding_store_miimon(struct device *d, |
673 | struct device_attribute *attr, | |
674 | const char *buf, size_t count) | |
b76cdba9 | 675 | { |
43cb76d9 | 676 | struct bonding *bond = to_bond(d); |
b98d9c66 | 677 | int ret; |
b76cdba9 | 678 | |
b98d9c66 | 679 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_MIIMON, (char *)buf); |
eecdaa6e | 680 | if (!ret) |
681 | ret = count; | |
682 | ||
b76cdba9 MW |
683 | return ret; |
684 | } | |
3d632c3f SH |
685 | static DEVICE_ATTR(miimon, S_IRUGO | S_IWUSR, |
686 | bonding_show_miimon, bonding_store_miimon); | |
b76cdba9 MW |
687 | |
688 | /* | |
689 | * Show and set the primary slave. The store function is much | |
690 | * simpler than bonding_store_slaves function because it only needs to | |
691 | * handle one interface name. | |
692 | * The bond must be a mode that supports a primary for this be | |
693 | * set. | |
694 | */ | |
43cb76d9 GKH |
695 | static ssize_t bonding_show_primary(struct device *d, |
696 | struct device_attribute *attr, | |
697 | char *buf) | |
b76cdba9 MW |
698 | { |
699 | int count = 0; | |
43cb76d9 | 700 | struct bonding *bond = to_bond(d); |
b76cdba9 MW |
701 | |
702 | if (bond->primary_slave) | |
7bd46508 | 703 | count = sprintf(buf, "%s\n", bond->primary_slave->dev->name); |
b76cdba9 MW |
704 | |
705 | return count; | |
706 | } | |
707 | ||
43cb76d9 GKH |
708 | static ssize_t bonding_store_primary(struct device *d, |
709 | struct device_attribute *attr, | |
710 | const char *buf, size_t count) | |
b76cdba9 | 711 | { |
43cb76d9 | 712 | struct bonding *bond = to_bond(d); |
0a98a0d1 | 713 | int ret; |
b76cdba9 | 714 | |
180222f0 | 715 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_PRIMARY, (char *)buf); |
0a98a0d1 | 716 | if (!ret) |
717 | ret = count; | |
8a93664d | 718 | |
0a98a0d1 | 719 | return ret; |
b76cdba9 | 720 | } |
3d632c3f SH |
721 | static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR, |
722 | bonding_show_primary, bonding_store_primary); | |
b76cdba9 | 723 | |
a549952a JP |
724 | /* |
725 | * Show and set the primary_reselect flag. | |
726 | */ | |
727 | static ssize_t bonding_show_primary_reselect(struct device *d, | |
728 | struct device_attribute *attr, | |
729 | char *buf) | |
730 | { | |
731 | struct bonding *bond = to_bond(d); | |
388d3a6d NA |
732 | struct bond_opt_value *val; |
733 | ||
734 | val = bond_opt_get_val(BOND_OPT_PRIMARY_RESELECT, | |
735 | bond->params.primary_reselect); | |
a549952a JP |
736 | |
737 | return sprintf(buf, "%s %d\n", | |
388d3a6d | 738 | val->string, bond->params.primary_reselect); |
a549952a JP |
739 | } |
740 | ||
741 | static ssize_t bonding_store_primary_reselect(struct device *d, | |
742 | struct device_attribute *attr, | |
743 | const char *buf, size_t count) | |
744 | { | |
a549952a | 745 | struct bonding *bond = to_bond(d); |
388d3a6d | 746 | int ret; |
a549952a | 747 | |
388d3a6d NA |
748 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_PRIMARY_RESELECT, |
749 | (char *)buf); | |
8a41ae44 | 750 | if (!ret) |
751 | ret = count; | |
a549952a | 752 | |
a549952a JP |
753 | return ret; |
754 | } | |
755 | static DEVICE_ATTR(primary_reselect, S_IRUGO | S_IWUSR, | |
756 | bonding_show_primary_reselect, | |
757 | bonding_store_primary_reselect); | |
758 | ||
b76cdba9 MW |
759 | /* |
760 | * Show and set the use_carrier flag. | |
761 | */ | |
43cb76d9 GKH |
762 | static ssize_t bonding_show_carrier(struct device *d, |
763 | struct device_attribute *attr, | |
764 | char *buf) | |
b76cdba9 | 765 | { |
43cb76d9 | 766 | struct bonding *bond = to_bond(d); |
b76cdba9 | 767 | |
7bd46508 | 768 | return sprintf(buf, "%d\n", bond->params.use_carrier); |
b76cdba9 MW |
769 | } |
770 | ||
43cb76d9 GKH |
771 | static ssize_t bonding_store_carrier(struct device *d, |
772 | struct device_attribute *attr, | |
773 | const char *buf, size_t count) | |
b76cdba9 | 774 | { |
43cb76d9 | 775 | struct bonding *bond = to_bond(d); |
0fff0608 | 776 | int ret; |
b76cdba9 | 777 | |
0fff0608 | 778 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_USE_CARRIER, (char *)buf); |
9f53e14e | 779 | if (!ret) |
780 | ret = count; | |
781 | ||
672bda33 | 782 | return ret; |
b76cdba9 | 783 | } |
3d632c3f SH |
784 | static DEVICE_ATTR(use_carrier, S_IRUGO | S_IWUSR, |
785 | bonding_show_carrier, bonding_store_carrier); | |
b76cdba9 MW |
786 | |
787 | ||
788 | /* | |
789 | * Show and set currently active_slave. | |
790 | */ | |
43cb76d9 GKH |
791 | static ssize_t bonding_show_active_slave(struct device *d, |
792 | struct device_attribute *attr, | |
793 | char *buf) | |
b76cdba9 | 794 | { |
43cb76d9 | 795 | struct bonding *bond = to_bond(d); |
752d48b5 | 796 | struct net_device *slave_dev; |
16cd0160 | 797 | int count = 0; |
b76cdba9 | 798 | |
278b2083 | 799 | rcu_read_lock(); |
752d48b5 JP |
800 | slave_dev = bond_option_active_slave_get_rcu(bond); |
801 | if (slave_dev) | |
802 | count = sprintf(buf, "%s\n", slave_dev->name); | |
278b2083 | 803 | rcu_read_unlock(); |
804 | ||
b76cdba9 MW |
805 | return count; |
806 | } | |
807 | ||
43cb76d9 GKH |
808 | static ssize_t bonding_store_active_slave(struct device *d, |
809 | struct device_attribute *attr, | |
810 | const char *buf, size_t count) | |
b76cdba9 | 811 | { |
43cb76d9 | 812 | struct bonding *bond = to_bond(d); |
d1fbd3ed | 813 | int ret; |
f4bb2e9c | 814 | |
d1fbd3ed | 815 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ACTIVE_SLAVE, (char *)buf); |
d9e32b21 JP |
816 | if (!ret) |
817 | ret = count; | |
e843fa50 | 818 | |
d9e32b21 | 819 | return ret; |
b76cdba9 | 820 | } |
3d632c3f SH |
821 | static DEVICE_ATTR(active_slave, S_IRUGO | S_IWUSR, |
822 | bonding_show_active_slave, bonding_store_active_slave); | |
b76cdba9 MW |
823 | |
824 | ||
825 | /* | |
826 | * Show link status of the bond interface. | |
827 | */ | |
43cb76d9 GKH |
828 | static ssize_t bonding_show_mii_status(struct device *d, |
829 | struct device_attribute *attr, | |
830 | char *buf) | |
b76cdba9 | 831 | { |
43cb76d9 | 832 | struct bonding *bond = to_bond(d); |
b76cdba9 | 833 | |
278b2083 | 834 | return sprintf(buf, "%s\n", bond->curr_active_slave ? "up" : "down"); |
b76cdba9 | 835 | } |
43cb76d9 | 836 | static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL); |
b76cdba9 | 837 | |
b76cdba9 MW |
838 | /* |
839 | * Show current 802.3ad aggregator ID. | |
840 | */ | |
43cb76d9 GKH |
841 | static ssize_t bonding_show_ad_aggregator(struct device *d, |
842 | struct device_attribute *attr, | |
843 | char *buf) | |
b76cdba9 MW |
844 | { |
845 | int count = 0; | |
43cb76d9 | 846 | struct bonding *bond = to_bond(d); |
b76cdba9 MW |
847 | |
848 | if (bond->params.mode == BOND_MODE_8023AD) { | |
849 | struct ad_info ad_info; | |
3d632c3f | 850 | count = sprintf(buf, "%d\n", |
318debd8 | 851 | bond_3ad_get_active_agg_info(bond, &ad_info) |
3d632c3f | 852 | ? 0 : ad_info.aggregator_id); |
b76cdba9 | 853 | } |
b76cdba9 MW |
854 | |
855 | return count; | |
856 | } | |
43cb76d9 | 857 | static DEVICE_ATTR(ad_aggregator, S_IRUGO, bonding_show_ad_aggregator, NULL); |
b76cdba9 MW |
858 | |
859 | ||
860 | /* | |
861 | * Show number of active 802.3ad ports. | |
862 | */ | |
43cb76d9 GKH |
863 | static ssize_t bonding_show_ad_num_ports(struct device *d, |
864 | struct device_attribute *attr, | |
865 | char *buf) | |
b76cdba9 MW |
866 | { |
867 | int count = 0; | |
43cb76d9 | 868 | struct bonding *bond = to_bond(d); |
b76cdba9 MW |
869 | |
870 | if (bond->params.mode == BOND_MODE_8023AD) { | |
871 | struct ad_info ad_info; | |
3d632c3f | 872 | count = sprintf(buf, "%d\n", |
318debd8 | 873 | bond_3ad_get_active_agg_info(bond, &ad_info) |
3d632c3f | 874 | ? 0 : ad_info.ports); |
b76cdba9 | 875 | } |
b76cdba9 MW |
876 | |
877 | return count; | |
878 | } | |
43cb76d9 | 879 | static DEVICE_ATTR(ad_num_ports, S_IRUGO, bonding_show_ad_num_ports, NULL); |
b76cdba9 MW |
880 | |
881 | ||
882 | /* | |
883 | * Show current 802.3ad actor key. | |
884 | */ | |
43cb76d9 GKH |
885 | static ssize_t bonding_show_ad_actor_key(struct device *d, |
886 | struct device_attribute *attr, | |
887 | char *buf) | |
b76cdba9 MW |
888 | { |
889 | int count = 0; | |
43cb76d9 | 890 | struct bonding *bond = to_bond(d); |
b76cdba9 MW |
891 | |
892 | if (bond->params.mode == BOND_MODE_8023AD) { | |
893 | struct ad_info ad_info; | |
3d632c3f | 894 | count = sprintf(buf, "%d\n", |
318debd8 | 895 | bond_3ad_get_active_agg_info(bond, &ad_info) |
3d632c3f | 896 | ? 0 : ad_info.actor_key); |
b76cdba9 | 897 | } |
b76cdba9 MW |
898 | |
899 | return count; | |
900 | } | |
43cb76d9 | 901 | static DEVICE_ATTR(ad_actor_key, S_IRUGO, bonding_show_ad_actor_key, NULL); |
b76cdba9 MW |
902 | |
903 | ||
904 | /* | |
905 | * Show current 802.3ad partner key. | |
906 | */ | |
43cb76d9 GKH |
907 | static ssize_t bonding_show_ad_partner_key(struct device *d, |
908 | struct device_attribute *attr, | |
909 | char *buf) | |
b76cdba9 MW |
910 | { |
911 | int count = 0; | |
43cb76d9 | 912 | struct bonding *bond = to_bond(d); |
b76cdba9 MW |
913 | |
914 | if (bond->params.mode == BOND_MODE_8023AD) { | |
915 | struct ad_info ad_info; | |
3d632c3f | 916 | count = sprintf(buf, "%d\n", |
318debd8 | 917 | bond_3ad_get_active_agg_info(bond, &ad_info) |
3d632c3f | 918 | ? 0 : ad_info.partner_key); |
b76cdba9 | 919 | } |
b76cdba9 MW |
920 | |
921 | return count; | |
922 | } | |
43cb76d9 | 923 | static DEVICE_ATTR(ad_partner_key, S_IRUGO, bonding_show_ad_partner_key, NULL); |
b76cdba9 MW |
924 | |
925 | ||
926 | /* | |
927 | * Show current 802.3ad partner mac. | |
928 | */ | |
43cb76d9 GKH |
929 | static ssize_t bonding_show_ad_partner_mac(struct device *d, |
930 | struct device_attribute *attr, | |
931 | char *buf) | |
b76cdba9 MW |
932 | { |
933 | int count = 0; | |
43cb76d9 | 934 | struct bonding *bond = to_bond(d); |
b76cdba9 MW |
935 | |
936 | if (bond->params.mode == BOND_MODE_8023AD) { | |
937 | struct ad_info ad_info; | |
3d632c3f | 938 | if (!bond_3ad_get_active_agg_info(bond, &ad_info)) |
e174961c | 939 | count = sprintf(buf, "%pM\n", ad_info.partner_system); |
b76cdba9 | 940 | } |
b76cdba9 MW |
941 | |
942 | return count; | |
943 | } | |
43cb76d9 | 944 | static DEVICE_ATTR(ad_partner_mac, S_IRUGO, bonding_show_ad_partner_mac, NULL); |
b76cdba9 | 945 | |
bb1d9123 AG |
946 | /* |
947 | * Show the queue_ids of the slaves in the current bond. | |
948 | */ | |
949 | static ssize_t bonding_show_queue_id(struct device *d, | |
950 | struct device_attribute *attr, | |
951 | char *buf) | |
952 | { | |
bb1d9123 | 953 | struct bonding *bond = to_bond(d); |
9caff1e7 | 954 | struct list_head *iter; |
dec1e90e | 955 | struct slave *slave; |
956 | int res = 0; | |
bb1d9123 AG |
957 | |
958 | if (!rtnl_trylock()) | |
959 | return restart_syscall(); | |
960 | ||
9caff1e7 | 961 | bond_for_each_slave(bond, slave, iter) { |
79236680 NP |
962 | if (res > (PAGE_SIZE - IFNAMSIZ - 6)) { |
963 | /* not enough space for another interface_name:queue_id pair */ | |
bb1d9123 AG |
964 | if ((PAGE_SIZE - res) > 10) |
965 | res = PAGE_SIZE - 10; | |
966 | res += sprintf(buf + res, "++more++ "); | |
967 | break; | |
968 | } | |
969 | res += sprintf(buf + res, "%s:%d ", | |
970 | slave->dev->name, slave->queue_id); | |
971 | } | |
bb1d9123 AG |
972 | if (res) |
973 | buf[res-1] = '\n'; /* eat the leftover space */ | |
4d1ae5fb | 974 | |
bb1d9123 | 975 | rtnl_unlock(); |
dec1e90e | 976 | |
bb1d9123 AG |
977 | return res; |
978 | } | |
979 | ||
980 | /* | |
981 | * Set the queue_ids of the slaves in the current bond. The bond | |
982 | * interface must be enslaved for this to work. | |
983 | */ | |
984 | static ssize_t bonding_store_queue_id(struct device *d, | |
985 | struct device_attribute *attr, | |
986 | const char *buffer, size_t count) | |
987 | { | |
bb1d9123 | 988 | struct bonding *bond = to_bond(d); |
24089ba1 | 989 | int ret; |
bb1d9123 | 990 | |
24089ba1 NA |
991 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_QUEUE_ID, (char *)buffer); |
992 | if (!ret) | |
993 | ret = count; | |
bb1d9123 | 994 | |
bb1d9123 | 995 | return ret; |
bb1d9123 | 996 | } |
bb1d9123 AG |
997 | static DEVICE_ATTR(queue_id, S_IRUGO | S_IWUSR, bonding_show_queue_id, |
998 | bonding_store_queue_id); | |
999 | ||
1000 | ||
ebd8e497 AG |
1001 | /* |
1002 | * Show and set the all_slaves_active flag. | |
1003 | */ | |
1004 | static ssize_t bonding_show_slaves_active(struct device *d, | |
1005 | struct device_attribute *attr, | |
1006 | char *buf) | |
1007 | { | |
1008 | struct bonding *bond = to_bond(d); | |
1009 | ||
1010 | return sprintf(buf, "%d\n", bond->params.all_slaves_active); | |
1011 | } | |
1012 | ||
1013 | static ssize_t bonding_store_slaves_active(struct device *d, | |
1014 | struct device_attribute *attr, | |
1015 | const char *buf, size_t count) | |
1016 | { | |
ebd8e497 | 1017 | struct bonding *bond = to_bond(d); |
3df01162 | 1018 | int ret; |
ebd8e497 | 1019 | |
3df01162 NA |
1020 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ALL_SLAVES_ACTIVE, |
1021 | (char *)buf); | |
1cc0b1e3 | 1022 | if (!ret) |
1023 | ret = count; | |
b76cdba9 | 1024 | |
672bda33 | 1025 | return ret; |
ebd8e497 AG |
1026 | } |
1027 | static DEVICE_ATTR(all_slaves_active, S_IRUGO | S_IWUSR, | |
1028 | bonding_show_slaves_active, bonding_store_slaves_active); | |
b76cdba9 | 1029 | |
c2952c31 FL |
1030 | /* |
1031 | * Show and set the number of IGMP membership reports to send on link failure | |
1032 | */ | |
1033 | static ssize_t bonding_show_resend_igmp(struct device *d, | |
94265cf5 FL |
1034 | struct device_attribute *attr, |
1035 | char *buf) | |
c2952c31 FL |
1036 | { |
1037 | struct bonding *bond = to_bond(d); | |
1038 | ||
1039 | return sprintf(buf, "%d\n", bond->params.resend_igmp); | |
1040 | } | |
1041 | ||
1042 | static ssize_t bonding_store_resend_igmp(struct device *d, | |
94265cf5 FL |
1043 | struct device_attribute *attr, |
1044 | const char *buf, size_t count) | |
c2952c31 FL |
1045 | { |
1046 | int new_value, ret = count; | |
1047 | struct bonding *bond = to_bond(d); | |
1048 | ||
1049 | if (sscanf(buf, "%d", &new_value) != 1) { | |
1050 | pr_err("%s: no resend_igmp value specified.\n", | |
1051 | bond->dev->name); | |
d8838de7 | 1052 | return -EINVAL; |
c2952c31 FL |
1053 | } |
1054 | ||
d8838de7 | 1055 | if (!rtnl_trylock()) |
1056 | return restart_syscall(); | |
c2952c31 | 1057 | |
d8838de7 | 1058 | ret = bond_option_resend_igmp_set(bond, new_value); |
1059 | if (!ret) | |
1060 | ret = count; | |
1061 | ||
1062 | rtnl_unlock(); | |
c2952c31 FL |
1063 | return ret; |
1064 | } | |
1065 | ||
1066 | static DEVICE_ATTR(resend_igmp, S_IRUGO | S_IWUSR, | |
1067 | bonding_show_resend_igmp, bonding_store_resend_igmp); | |
1068 | ||
7eacd038 NH |
1069 | |
1070 | static ssize_t bonding_show_lp_interval(struct device *d, | |
1071 | struct device_attribute *attr, | |
1072 | char *buf) | |
1073 | { | |
1074 | struct bonding *bond = to_bond(d); | |
1075 | return sprintf(buf, "%d\n", bond->params.lp_interval); | |
1076 | } | |
1077 | ||
1078 | static ssize_t bonding_store_lp_interval(struct device *d, | |
1079 | struct device_attribute *attr, | |
1080 | const char *buf, size_t count) | |
1081 | { | |
1082 | struct bonding *bond = to_bond(d); | |
8d836d09 | 1083 | int new_value, ret; |
7eacd038 NH |
1084 | |
1085 | if (sscanf(buf, "%d", &new_value) != 1) { | |
1086 | pr_err("%s: no lp interval value specified.\n", | |
1087 | bond->dev->name); | |
8d836d09 | 1088 | return -EINVAL; |
7eacd038 NH |
1089 | } |
1090 | ||
8d836d09 | 1091 | if (!rtnl_trylock()) |
1092 | return restart_syscall(); | |
7eacd038 | 1093 | |
8d836d09 | 1094 | ret = bond_option_lp_interval_set(bond, new_value); |
1095 | if (!ret) | |
1096 | ret = count; | |
1097 | ||
1098 | rtnl_unlock(); | |
7eacd038 NH |
1099 | return ret; |
1100 | } | |
1101 | ||
1102 | static DEVICE_ATTR(lp_interval, S_IRUGO | S_IWUSR, | |
1103 | bonding_show_lp_interval, bonding_store_lp_interval); | |
1104 | ||
73958329 NA |
1105 | static ssize_t bonding_show_packets_per_slave(struct device *d, |
1106 | struct device_attribute *attr, | |
1107 | char *buf) | |
1108 | { | |
1109 | struct bonding *bond = to_bond(d); | |
a752a8b9 | 1110 | unsigned int packets_per_slave = bond->params.packets_per_slave; |
a752a8b9 | 1111 | return sprintf(buf, "%u\n", packets_per_slave); |
73958329 NA |
1112 | } |
1113 | ||
1114 | static ssize_t bonding_store_packets_per_slave(struct device *d, | |
1115 | struct device_attribute *attr, | |
1116 | const char *buf, size_t count) | |
1117 | { | |
1118 | struct bonding *bond = to_bond(d); | |
aa59d851 | 1119 | int ret; |
c13ab3ff | 1120 | |
aa59d851 NA |
1121 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_PACKETS_PER_SLAVE, |
1122 | (char *)buf); | |
c13ab3ff | 1123 | if (!ret) |
1124 | ret = count; | |
1125 | ||
73958329 NA |
1126 | return ret; |
1127 | } | |
1128 | ||
1129 | static DEVICE_ATTR(packets_per_slave, S_IRUGO | S_IWUSR, | |
1130 | bonding_show_packets_per_slave, | |
1131 | bonding_store_packets_per_slave); | |
1132 | ||
b76cdba9 | 1133 | static struct attribute *per_bond_attrs[] = { |
43cb76d9 GKH |
1134 | &dev_attr_slaves.attr, |
1135 | &dev_attr_mode.attr, | |
dd957c57 | 1136 | &dev_attr_fail_over_mac.attr, |
43cb76d9 | 1137 | &dev_attr_arp_validate.attr, |
8599b52e | 1138 | &dev_attr_arp_all_targets.attr, |
43cb76d9 GKH |
1139 | &dev_attr_arp_interval.attr, |
1140 | &dev_attr_arp_ip_target.attr, | |
1141 | &dev_attr_downdelay.attr, | |
1142 | &dev_attr_updelay.attr, | |
1143 | &dev_attr_lacp_rate.attr, | |
fd989c83 | 1144 | &dev_attr_ad_select.attr, |
43cb76d9 | 1145 | &dev_attr_xmit_hash_policy.attr, |
ad246c99 BH |
1146 | &dev_attr_num_grat_arp.attr, |
1147 | &dev_attr_num_unsol_na.attr, | |
43cb76d9 GKH |
1148 | &dev_attr_miimon.attr, |
1149 | &dev_attr_primary.attr, | |
a549952a | 1150 | &dev_attr_primary_reselect.attr, |
43cb76d9 GKH |
1151 | &dev_attr_use_carrier.attr, |
1152 | &dev_attr_active_slave.attr, | |
1153 | &dev_attr_mii_status.attr, | |
1154 | &dev_attr_ad_aggregator.attr, | |
1155 | &dev_attr_ad_num_ports.attr, | |
1156 | &dev_attr_ad_actor_key.attr, | |
1157 | &dev_attr_ad_partner_key.attr, | |
1158 | &dev_attr_ad_partner_mac.attr, | |
bb1d9123 | 1159 | &dev_attr_queue_id.attr, |
ebd8e497 | 1160 | &dev_attr_all_slaves_active.attr, |
c2952c31 | 1161 | &dev_attr_resend_igmp.attr, |
655f8919 | 1162 | &dev_attr_min_links.attr, |
7eacd038 | 1163 | &dev_attr_lp_interval.attr, |
73958329 | 1164 | &dev_attr_packets_per_slave.attr, |
b76cdba9 MW |
1165 | NULL, |
1166 | }; | |
1167 | ||
1168 | static struct attribute_group bonding_group = { | |
1169 | .name = "bonding", | |
1170 | .attrs = per_bond_attrs, | |
1171 | }; | |
1172 | ||
1173 | /* | |
1174 | * Initialize sysfs. This sets up the bonding_masters file in | |
1175 | * /sys/class/net. | |
1176 | */ | |
4c22400a | 1177 | int bond_create_sysfs(struct bond_net *bn) |
b76cdba9 | 1178 | { |
b8a9787e | 1179 | int ret; |
b76cdba9 | 1180 | |
4c22400a | 1181 | bn->class_attr_bonding_masters = class_attr_bonding_masters; |
01718e36 | 1182 | sysfs_attr_init(&bn->class_attr_bonding_masters.attr); |
4c22400a | 1183 | |
58292cbe TH |
1184 | ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters, |
1185 | bn->net); | |
877cbd36 JV |
1186 | /* |
1187 | * Permit multiple loads of the module by ignoring failures to | |
1188 | * create the bonding_masters sysfs file. Bonding devices | |
1189 | * created by second or subsequent loads of the module will | |
1190 | * not be listed in, or controllable by, bonding_masters, but | |
1191 | * will have the usual "bonding" sysfs directory. | |
1192 | * | |
1193 | * This is done to preserve backwards compatibility for | |
1194 | * initscripts/sysconfig, which load bonding multiple times to | |
1195 | * configure multiple bonding devices. | |
1196 | */ | |
1197 | if (ret == -EEXIST) { | |
38d2f38b | 1198 | /* Is someone being kinky and naming a device bonding_master? */ |
4c22400a | 1199 | if (__dev_get_by_name(bn->net, |
38d2f38b | 1200 | class_attr_bonding_masters.attr.name)) |
a4aee5c8 | 1201 | pr_err("network device named %s already exists in sysfs", |
38d2f38b | 1202 | class_attr_bonding_masters.attr.name); |
130aa61a | 1203 | ret = 0; |
877cbd36 | 1204 | } |
b76cdba9 MW |
1205 | |
1206 | return ret; | |
1207 | ||
1208 | } | |
1209 | ||
1210 | /* | |
1211 | * Remove /sys/class/net/bonding_masters. | |
1212 | */ | |
4c22400a | 1213 | void bond_destroy_sysfs(struct bond_net *bn) |
b76cdba9 | 1214 | { |
58292cbe | 1215 | netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net); |
b76cdba9 MW |
1216 | } |
1217 | ||
1218 | /* | |
1219 | * Initialize sysfs for each bond. This sets up and registers | |
1220 | * the 'bondctl' directory for each individual bond under /sys/class/net. | |
1221 | */ | |
6151b3d4 | 1222 | void bond_prepare_sysfs_group(struct bonding *bond) |
b76cdba9 | 1223 | { |
6151b3d4 | 1224 | bond->dev->sysfs_groups[0] = &bonding_group; |
b76cdba9 MW |
1225 | } |
1226 |