1
2
3
4
5
6#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7
8#include <linux/kernel.h>
9#include <linux/module.h>
10#include <linux/device.h>
11#include <linux/sched/signal.h>
12#include <linux/fs.h>
13#include <linux/types.h>
14#include <linux/string.h>
15#include <linux/netdevice.h>
16#include <linux/inetdevice.h>
17#include <linux/in.h>
18#include <linux/sysfs.h>
19#include <linux/ctype.h>
20#include <linux/inet.h>
21#include <linux/rtnetlink.h>
22#include <linux/etherdevice.h>
23#include <net/net_namespace.h>
24#include <net/netns/generic.h>
25#include <linux/nsproxy.h>
26
27#include <net/bonding.h>
28
29#define to_bond(cd) ((struct bonding *)(netdev_priv(to_net_dev(cd))))
30
31
32
33
34static ssize_t bonding_show_bonds(struct class *cls,
35 struct class_attribute *attr,
36 char *buf)
37{
38 struct bond_net *bn =
39 container_of(attr, struct bond_net, class_attr_bonding_masters);
40 int res = 0;
41 struct bonding *bond;
42
43 rtnl_lock();
44
45 list_for_each_entry(bond, &bn->dev_list, bond_list) {
46 if (res > (PAGE_SIZE - IFNAMSIZ)) {
47
48 if ((PAGE_SIZE - res) > 10)
49 res = PAGE_SIZE - 10;
50 res += sprintf(buf + res, "++more++ ");
51 break;
52 }
53 res += sprintf(buf + res, "%s ", bond->dev->name);
54 }
55 if (res)
56 buf[res-1] = '\n';
57
58 rtnl_unlock();
59 return res;
60}
61
62static struct net_device *bond_get_by_name(struct bond_net *bn, const char *ifname)
63{
64 struct bonding *bond;
65
66 list_for_each_entry(bond, &bn->dev_list, bond_list) {
67 if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0)
68 return bond->dev;
69 }
70 return NULL;
71}
72
73
74
75
76
77
78static ssize_t bonding_store_bonds(struct class *cls,
79 struct class_attribute *attr,
80 const char *buffer, size_t count)
81{
82 struct bond_net *bn =
83 container_of(attr, struct bond_net, class_attr_bonding_masters);
84 char command[IFNAMSIZ + 1] = {0, };
85 char *ifname;
86 int rv, res = count;
87
88 sscanf(buffer, "%16s", command);
89 ifname = command + 1;
90 if ((strlen(command) <= 1) ||
91 !dev_valid_name(ifname))
92 goto err_no_cmd;
93
94 if (command[0] == '+') {
95 pr_info("%s is being created...\n", ifname);
96 rv = bond_create(bn->net, ifname);
97 if (rv) {
98 if (rv == -EEXIST)
99 pr_info("%s already exists\n", ifname);
100 else
101 pr_info("%s creation failed\n", ifname);
102 res = rv;
103 }
104 } else if (command[0] == '-') {
105 struct net_device *bond_dev;
106
107 rtnl_lock();
108 bond_dev = bond_get_by_name(bn, ifname);
109 if (bond_dev) {
110 pr_info("%s is being deleted...\n", ifname);
111 unregister_netdevice(bond_dev);
112 } else {
113 pr_err("unable to delete non-existent %s\n", ifname);
114 res = -ENODEV;
115 }
116 rtnl_unlock();
117 } else
118 goto err_no_cmd;
119
120
121
122
123 return res;
124
125err_no_cmd:
126 pr_err("no command found in bonding_masters - use +ifname or -ifname\n");
127 return -EPERM;
128}
129
130
131static const struct class_attribute class_attr_bonding_masters = {
132 .attr = {
133 .name = "bonding_masters",
134 .mode = 0644,
135 },
136 .show = bonding_show_bonds,
137 .store = bonding_store_bonds,
138};
139
140
141static ssize_t bonding_sysfs_store_option(struct device *d,
142 struct device_attribute *attr,
143 const char *buffer, size_t count)
144{
145 struct bonding *bond = to_bond(d);
146 const struct bond_option *opt;
147 char *buffer_clone;
148 int ret;
149
150 opt = bond_opt_get_by_name(attr->attr.name);
151 if (WARN_ON(!opt))
152 return -ENOENT;
153 buffer_clone = kstrndup(buffer, count, GFP_KERNEL);
154 if (!buffer_clone)
155 return -ENOMEM;
156 ret = bond_opt_tryset_rtnl(bond, opt->id, buffer_clone);
157 if (!ret)
158 ret = count;
159 kfree(buffer_clone);
160
161 return ret;
162}
163
164
165static ssize_t bonding_show_slaves(struct device *d,
166 struct device_attribute *attr, char *buf)
167{
168 struct bonding *bond = to_bond(d);
169 struct list_head *iter;
170 struct slave *slave;
171 int res = 0;
172
173 if (!rtnl_trylock())
174 return restart_syscall();
175
176 bond_for_each_slave(bond, slave, iter) {
177 if (res > (PAGE_SIZE - IFNAMSIZ)) {
178
179 if ((PAGE_SIZE - res) > 10)
180 res = PAGE_SIZE - 10;
181 res += sprintf(buf + res, "++more++ ");
182 break;
183 }
184 res += sprintf(buf + res, "%s ", slave->dev->name);
185 }
186
187 rtnl_unlock();
188
189 if (res)
190 buf[res-1] = '\n';
191
192 return res;
193}
194static DEVICE_ATTR(slaves, 0644, bonding_show_slaves,
195 bonding_sysfs_store_option);
196
197
198static ssize_t bonding_show_mode(struct device *d,
199 struct device_attribute *attr, char *buf)
200{
201 struct bonding *bond = to_bond(d);
202 const struct bond_opt_value *val;
203
204 val = bond_opt_get_val(BOND_OPT_MODE, BOND_MODE(bond));
205
206 return sprintf(buf, "%s %d\n", val->string, BOND_MODE(bond));
207}
208static DEVICE_ATTR(mode, 0644, bonding_show_mode, bonding_sysfs_store_option);
209
210
211static ssize_t bonding_show_xmit_hash(struct device *d,
212 struct device_attribute *attr,
213 char *buf)
214{
215 struct bonding *bond = to_bond(d);
216 const struct bond_opt_value *val;
217
218 val = bond_opt_get_val(BOND_OPT_XMIT_HASH, bond->params.xmit_policy);
219
220 return sprintf(buf, "%s %d\n", val->string, bond->params.xmit_policy);
221}
222static DEVICE_ATTR(xmit_hash_policy, 0644,
223 bonding_show_xmit_hash, bonding_sysfs_store_option);
224
225
226static ssize_t bonding_show_arp_validate(struct device *d,
227 struct device_attribute *attr,
228 char *buf)
229{
230 struct bonding *bond = to_bond(d);
231 const struct bond_opt_value *val;
232
233 val = bond_opt_get_val(BOND_OPT_ARP_VALIDATE,
234 bond->params.arp_validate);
235
236 return sprintf(buf, "%s %d\n", val->string, bond->params.arp_validate);
237}
238static DEVICE_ATTR(arp_validate, 0644, bonding_show_arp_validate,
239 bonding_sysfs_store_option);
240
241
242static ssize_t bonding_show_arp_all_targets(struct device *d,
243 struct device_attribute *attr,
244 char *buf)
245{
246 struct bonding *bond = to_bond(d);
247 const struct bond_opt_value *val;
248
249 val = bond_opt_get_val(BOND_OPT_ARP_ALL_TARGETS,
250 bond->params.arp_all_targets);
251 return sprintf(buf, "%s %d\n",
252 val->string, bond->params.arp_all_targets);
253}
254static DEVICE_ATTR(arp_all_targets, 0644,
255 bonding_show_arp_all_targets, bonding_sysfs_store_option);
256
257
258static ssize_t bonding_show_fail_over_mac(struct device *d,
259 struct device_attribute *attr,
260 char *buf)
261{
262 struct bonding *bond = to_bond(d);
263 const struct bond_opt_value *val;
264
265 val = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC,
266 bond->params.fail_over_mac);
267
268 return sprintf(buf, "%s %d\n", val->string, bond->params.fail_over_mac);
269}
270static DEVICE_ATTR(fail_over_mac, 0644,
271 bonding_show_fail_over_mac, bonding_sysfs_store_option);
272
273
274static ssize_t bonding_show_arp_interval(struct device *d,
275 struct device_attribute *attr,
276 char *buf)
277{
278 struct bonding *bond = to_bond(d);
279
280 return sprintf(buf, "%d\n", bond->params.arp_interval);
281}
282static DEVICE_ATTR(arp_interval, 0644,
283 bonding_show_arp_interval, bonding_sysfs_store_option);
284
285
286static ssize_t bonding_show_arp_targets(struct device *d,
287 struct device_attribute *attr,
288 char *buf)
289{
290 struct bonding *bond = to_bond(d);
291 int i, res = 0;
292
293 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
294 if (bond->params.arp_targets[i])
295 res += sprintf(buf + res, "%pI4 ",
296 &bond->params.arp_targets[i]);
297 }
298 if (res)
299 buf[res-1] = '\n';
300
301 return res;
302}
303static DEVICE_ATTR(arp_ip_target, 0644,
304 bonding_show_arp_targets, bonding_sysfs_store_option);
305
306
307static ssize_t bonding_show_downdelay(struct device *d,
308 struct device_attribute *attr,
309 char *buf)
310{
311 struct bonding *bond = to_bond(d);
312
313 return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon);
314}
315static DEVICE_ATTR(downdelay, 0644,
316 bonding_show_downdelay, bonding_sysfs_store_option);
317
318static ssize_t bonding_show_updelay(struct device *d,
319 struct device_attribute *attr,
320 char *buf)
321{
322 struct bonding *bond = to_bond(d);
323
324 return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon);
325
326}
327static DEVICE_ATTR(updelay, 0644,
328 bonding_show_updelay, bonding_sysfs_store_option);
329
330static ssize_t bonding_show_peer_notif_delay(struct device *d,
331 struct device_attribute *attr,
332 char *buf)
333{
334 struct bonding *bond = to_bond(d);
335
336 return sprintf(buf, "%d\n",
337 bond->params.peer_notif_delay * bond->params.miimon);
338}
339static DEVICE_ATTR(peer_notif_delay, 0644,
340 bonding_show_peer_notif_delay, bonding_sysfs_store_option);
341
342
343static ssize_t bonding_show_lacp_active(struct device *d,
344 struct device_attribute *attr,
345 char *buf)
346{
347 struct bonding *bond = to_bond(d);
348 const struct bond_opt_value *val;
349
350 val = bond_opt_get_val(BOND_OPT_LACP_ACTIVE, bond->params.lacp_active);
351
352 return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_active);
353}
354static DEVICE_ATTR(lacp_active, 0644,
355 bonding_show_lacp_active, bonding_sysfs_store_option);
356
357static ssize_t bonding_show_lacp_rate(struct device *d,
358 struct device_attribute *attr,
359 char *buf)
360{
361 struct bonding *bond = to_bond(d);
362 const struct bond_opt_value *val;
363
364 val = bond_opt_get_val(BOND_OPT_LACP_RATE, bond->params.lacp_fast);
365
366 return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast);
367}
368static DEVICE_ATTR(lacp_rate, 0644,
369 bonding_show_lacp_rate, bonding_sysfs_store_option);
370
371static ssize_t bonding_show_min_links(struct device *d,
372 struct device_attribute *attr,
373 char *buf)
374{
375 struct bonding *bond = to_bond(d);
376
377 return sprintf(buf, "%u\n", bond->params.min_links);
378}
379static DEVICE_ATTR(min_links, 0644,
380 bonding_show_min_links, bonding_sysfs_store_option);
381
382static ssize_t bonding_show_ad_select(struct device *d,
383 struct device_attribute *attr,
384 char *buf)
385{
386 struct bonding *bond = to_bond(d);
387 const struct bond_opt_value *val;
388
389 val = bond_opt_get_val(BOND_OPT_AD_SELECT, bond->params.ad_select);
390
391 return sprintf(buf, "%s %d\n", val->string, bond->params.ad_select);
392}
393static DEVICE_ATTR(ad_select, 0644,
394 bonding_show_ad_select, bonding_sysfs_store_option);
395
396
397static ssize_t bonding_show_num_peer_notif(struct device *d,
398 struct device_attribute *attr,
399 char *buf)
400{
401 struct bonding *bond = to_bond(d);
402
403 return sprintf(buf, "%d\n", bond->params.num_peer_notif);
404}
405static DEVICE_ATTR(num_grat_arp, 0644,
406 bonding_show_num_peer_notif, bonding_sysfs_store_option);
407static DEVICE_ATTR(num_unsol_na, 0644,
408 bonding_show_num_peer_notif, bonding_sysfs_store_option);
409
410
411static ssize_t bonding_show_miimon(struct device *d,
412 struct device_attribute *attr,
413 char *buf)
414{
415 struct bonding *bond = to_bond(d);
416
417 return sprintf(buf, "%d\n", bond->params.miimon);
418}
419static DEVICE_ATTR(miimon, 0644,
420 bonding_show_miimon, bonding_sysfs_store_option);
421
422
423static ssize_t bonding_show_primary(struct device *d,
424 struct device_attribute *attr,
425 char *buf)
426{
427 struct bonding *bond = to_bond(d);
428 struct slave *primary;
429 int count = 0;
430
431 rcu_read_lock();
432 primary = rcu_dereference(bond->primary_slave);
433 if (primary)
434 count = sprintf(buf, "%s\n", primary->dev->name);
435 rcu_read_unlock();
436
437 return count;
438}
439static DEVICE_ATTR(primary, 0644,
440 bonding_show_primary, bonding_sysfs_store_option);
441
442
443static ssize_t bonding_show_primary_reselect(struct device *d,
444 struct device_attribute *attr,
445 char *buf)
446{
447 struct bonding *bond = to_bond(d);
448 const struct bond_opt_value *val;
449
450 val = bond_opt_get_val(BOND_OPT_PRIMARY_RESELECT,
451 bond->params.primary_reselect);
452
453 return sprintf(buf, "%s %d\n",
454 val->string, bond->params.primary_reselect);
455}
456static DEVICE_ATTR(primary_reselect, 0644,
457 bonding_show_primary_reselect, bonding_sysfs_store_option);
458
459
460static ssize_t bonding_show_carrier(struct device *d,
461 struct device_attribute *attr,
462 char *buf)
463{
464 struct bonding *bond = to_bond(d);
465
466 return sprintf(buf, "%d\n", bond->params.use_carrier);
467}
468static DEVICE_ATTR(use_carrier, 0644,
469 bonding_show_carrier, bonding_sysfs_store_option);
470
471
472
473static ssize_t bonding_show_active_slave(struct device *d,
474 struct device_attribute *attr,
475 char *buf)
476{
477 struct bonding *bond = to_bond(d);
478 struct net_device *slave_dev;
479 int count = 0;
480
481 rcu_read_lock();
482 slave_dev = bond_option_active_slave_get_rcu(bond);
483 if (slave_dev)
484 count = sprintf(buf, "%s\n", slave_dev->name);
485 rcu_read_unlock();
486
487 return count;
488}
489static DEVICE_ATTR(active_slave, 0644,
490 bonding_show_active_slave, bonding_sysfs_store_option);
491
492
493static ssize_t bonding_show_mii_status(struct device *d,
494 struct device_attribute *attr,
495 char *buf)
496{
497 struct bonding *bond = to_bond(d);
498 bool active = netif_carrier_ok(bond->dev);
499
500 return sprintf(buf, "%s\n", active ? "up" : "down");
501}
502static DEVICE_ATTR(mii_status, 0444, bonding_show_mii_status, NULL);
503
504
505static ssize_t bonding_show_ad_aggregator(struct device *d,
506 struct device_attribute *attr,
507 char *buf)
508{
509 int count = 0;
510 struct bonding *bond = to_bond(d);
511
512 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
513 struct ad_info ad_info;
514
515 count = sprintf(buf, "%d\n",
516 bond_3ad_get_active_agg_info(bond, &ad_info)
517 ? 0 : ad_info.aggregator_id);
518 }
519
520 return count;
521}
522static DEVICE_ATTR(ad_aggregator, 0444, bonding_show_ad_aggregator, NULL);
523
524
525
526static ssize_t bonding_show_ad_num_ports(struct device *d,
527 struct device_attribute *attr,
528 char *buf)
529{
530 int count = 0;
531 struct bonding *bond = to_bond(d);
532
533 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
534 struct ad_info ad_info;
535
536 count = sprintf(buf, "%d\n",
537 bond_3ad_get_active_agg_info(bond, &ad_info)
538 ? 0 : ad_info.ports);
539 }
540
541 return count;
542}
543static DEVICE_ATTR(ad_num_ports, 0444, bonding_show_ad_num_ports, NULL);
544
545
546
547static ssize_t bonding_show_ad_actor_key(struct device *d,
548 struct device_attribute *attr,
549 char *buf)
550{
551 int count = 0;
552 struct bonding *bond = to_bond(d);
553
554 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
555 struct ad_info ad_info;
556
557 count = sprintf(buf, "%d\n",
558 bond_3ad_get_active_agg_info(bond, &ad_info)
559 ? 0 : ad_info.actor_key);
560 }
561
562 return count;
563}
564static DEVICE_ATTR(ad_actor_key, 0444, bonding_show_ad_actor_key, NULL);
565
566
567
568static ssize_t bonding_show_ad_partner_key(struct device *d,
569 struct device_attribute *attr,
570 char *buf)
571{
572 int count = 0;
573 struct bonding *bond = to_bond(d);
574
575 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
576 struct ad_info ad_info;
577
578 count = sprintf(buf, "%d\n",
579 bond_3ad_get_active_agg_info(bond, &ad_info)
580 ? 0 : ad_info.partner_key);
581 }
582
583 return count;
584}
585static DEVICE_ATTR(ad_partner_key, 0444, bonding_show_ad_partner_key, NULL);
586
587
588
589static ssize_t bonding_show_ad_partner_mac(struct device *d,
590 struct device_attribute *attr,
591 char *buf)
592{
593 int count = 0;
594 struct bonding *bond = to_bond(d);
595
596 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
597 struct ad_info ad_info;
598
599 if (!bond_3ad_get_active_agg_info(bond, &ad_info))
600 count = sprintf(buf, "%pM\n", ad_info.partner_system);
601 }
602
603 return count;
604}
605static DEVICE_ATTR(ad_partner_mac, 0444, bonding_show_ad_partner_mac, NULL);
606
607
608static ssize_t bonding_show_queue_id(struct device *d,
609 struct device_attribute *attr,
610 char *buf)
611{
612 struct bonding *bond = to_bond(d);
613 struct list_head *iter;
614 struct slave *slave;
615 int res = 0;
616
617 if (!rtnl_trylock())
618 return restart_syscall();
619
620 bond_for_each_slave(bond, slave, iter) {
621 if (res > (PAGE_SIZE - IFNAMSIZ - 6)) {
622
623 if ((PAGE_SIZE - res) > 10)
624 res = PAGE_SIZE - 10;
625 res += sprintf(buf + res, "++more++ ");
626 break;
627 }
628 res += sprintf(buf + res, "%s:%d ",
629 slave->dev->name, slave->queue_id);
630 }
631 if (res)
632 buf[res-1] = '\n';
633
634 rtnl_unlock();
635
636 return res;
637}
638static DEVICE_ATTR(queue_id, 0644, bonding_show_queue_id,
639 bonding_sysfs_store_option);
640
641
642
643static ssize_t bonding_show_slaves_active(struct device *d,
644 struct device_attribute *attr,
645 char *buf)
646{
647 struct bonding *bond = to_bond(d);
648
649 return sprintf(buf, "%d\n", bond->params.all_slaves_active);
650}
651static DEVICE_ATTR(all_slaves_active, 0644,
652 bonding_show_slaves_active, bonding_sysfs_store_option);
653
654
655static ssize_t bonding_show_resend_igmp(struct device *d,
656 struct device_attribute *attr,
657 char *buf)
658{
659 struct bonding *bond = to_bond(d);
660
661 return sprintf(buf, "%d\n", bond->params.resend_igmp);
662}
663static DEVICE_ATTR(resend_igmp, 0644,
664 bonding_show_resend_igmp, bonding_sysfs_store_option);
665
666
667static ssize_t bonding_show_lp_interval(struct device *d,
668 struct device_attribute *attr,
669 char *buf)
670{
671 struct bonding *bond = to_bond(d);
672
673 return sprintf(buf, "%d\n", bond->params.lp_interval);
674}
675static DEVICE_ATTR(lp_interval, 0644,
676 bonding_show_lp_interval, bonding_sysfs_store_option);
677
678static ssize_t bonding_show_tlb_dynamic_lb(struct device *d,
679 struct device_attribute *attr,
680 char *buf)
681{
682 struct bonding *bond = to_bond(d);
683
684 return sprintf(buf, "%d\n", bond->params.tlb_dynamic_lb);
685}
686static DEVICE_ATTR(tlb_dynamic_lb, 0644,
687 bonding_show_tlb_dynamic_lb, bonding_sysfs_store_option);
688
689static ssize_t bonding_show_packets_per_slave(struct device *d,
690 struct device_attribute *attr,
691 char *buf)
692{
693 struct bonding *bond = to_bond(d);
694 unsigned int packets_per_slave = bond->params.packets_per_slave;
695
696 return sprintf(buf, "%u\n", packets_per_slave);
697}
698static DEVICE_ATTR(packets_per_slave, 0644,
699 bonding_show_packets_per_slave, bonding_sysfs_store_option);
700
701static ssize_t bonding_show_ad_actor_sys_prio(struct device *d,
702 struct device_attribute *attr,
703 char *buf)
704{
705 struct bonding *bond = to_bond(d);
706
707 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
708 return sprintf(buf, "%hu\n", bond->params.ad_actor_sys_prio);
709
710 return 0;
711}
712static DEVICE_ATTR(ad_actor_sys_prio, 0644,
713 bonding_show_ad_actor_sys_prio, bonding_sysfs_store_option);
714
715static ssize_t bonding_show_ad_actor_system(struct device *d,
716 struct device_attribute *attr,
717 char *buf)
718{
719 struct bonding *bond = to_bond(d);
720
721 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
722 return sprintf(buf, "%pM\n", bond->params.ad_actor_system);
723
724 return 0;
725}
726
727static DEVICE_ATTR(ad_actor_system, 0644,
728 bonding_show_ad_actor_system, bonding_sysfs_store_option);
729
730static ssize_t bonding_show_ad_user_port_key(struct device *d,
731 struct device_attribute *attr,
732 char *buf)
733{
734 struct bonding *bond = to_bond(d);
735
736 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
737 return sprintf(buf, "%hu\n", bond->params.ad_user_port_key);
738
739 return 0;
740}
741static DEVICE_ATTR(ad_user_port_key, 0644,
742 bonding_show_ad_user_port_key, bonding_sysfs_store_option);
743
744static struct attribute *per_bond_attrs[] = {
745 &dev_attr_slaves.attr,
746 &dev_attr_mode.attr,
747 &dev_attr_fail_over_mac.attr,
748 &dev_attr_arp_validate.attr,
749 &dev_attr_arp_all_targets.attr,
750 &dev_attr_arp_interval.attr,
751 &dev_attr_arp_ip_target.attr,
752 &dev_attr_downdelay.attr,
753 &dev_attr_updelay.attr,
754 &dev_attr_peer_notif_delay.attr,
755 &dev_attr_lacp_active.attr,
756 &dev_attr_lacp_rate.attr,
757 &dev_attr_ad_select.attr,
758 &dev_attr_xmit_hash_policy.attr,
759 &dev_attr_num_grat_arp.attr,
760 &dev_attr_num_unsol_na.attr,
761 &dev_attr_miimon.attr,
762 &dev_attr_primary.attr,
763 &dev_attr_primary_reselect.attr,
764 &dev_attr_use_carrier.attr,
765 &dev_attr_active_slave.attr,
766 &dev_attr_mii_status.attr,
767 &dev_attr_ad_aggregator.attr,
768 &dev_attr_ad_num_ports.attr,
769 &dev_attr_ad_actor_key.attr,
770 &dev_attr_ad_partner_key.attr,
771 &dev_attr_ad_partner_mac.attr,
772 &dev_attr_queue_id.attr,
773 &dev_attr_all_slaves_active.attr,
774 &dev_attr_resend_igmp.attr,
775 &dev_attr_min_links.attr,
776 &dev_attr_lp_interval.attr,
777 &dev_attr_packets_per_slave.attr,
778 &dev_attr_tlb_dynamic_lb.attr,
779 &dev_attr_ad_actor_sys_prio.attr,
780 &dev_attr_ad_actor_system.attr,
781 &dev_attr_ad_user_port_key.attr,
782 NULL,
783};
784
785static const struct attribute_group bonding_group = {
786 .name = "bonding",
787 .attrs = per_bond_attrs,
788};
789
790
791
792
793int bond_create_sysfs(struct bond_net *bn)
794{
795 int ret;
796
797 bn->class_attr_bonding_masters = class_attr_bonding_masters;
798 sysfs_attr_init(&bn->class_attr_bonding_masters.attr);
799
800 ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters,
801 bn->net);
802
803
804
805
806
807
808
809
810
811
812 if (ret == -EEXIST) {
813
814 if (__dev_get_by_name(bn->net,
815 class_attr_bonding_masters.attr.name))
816 pr_err("network device named %s already exists in sysfs\n",
817 class_attr_bonding_masters.attr.name);
818 ret = 0;
819 }
820
821 return ret;
822
823}
824
825
826void bond_destroy_sysfs(struct bond_net *bn)
827{
828 netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net);
829}
830
831
832
833
834void bond_prepare_sysfs_group(struct bonding *bond)
835{
836 bond->dev->sysfs_groups[0] = &bonding_group;
837}
838
839