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(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_RATE, bond->params.lacp_fast);
351
352 return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast);
353}
354static DEVICE_ATTR(lacp_rate, 0644,
355 bonding_show_lacp, bonding_sysfs_store_option);
356
357static ssize_t bonding_show_min_links(struct device *d,
358 struct device_attribute *attr,
359 char *buf)
360{
361 struct bonding *bond = to_bond(d);
362
363 return sprintf(buf, "%u\n", bond->params.min_links);
364}
365static DEVICE_ATTR(min_links, 0644,
366 bonding_show_min_links, bonding_sysfs_store_option);
367
368static ssize_t bonding_show_ad_select(struct device *d,
369 struct device_attribute *attr,
370 char *buf)
371{
372 struct bonding *bond = to_bond(d);
373 const struct bond_opt_value *val;
374
375 val = bond_opt_get_val(BOND_OPT_AD_SELECT, bond->params.ad_select);
376
377 return sprintf(buf, "%s %d\n", val->string, bond->params.ad_select);
378}
379static DEVICE_ATTR(ad_select, 0644,
380 bonding_show_ad_select, bonding_sysfs_store_option);
381
382
383static ssize_t bonding_show_num_peer_notif(struct device *d,
384 struct device_attribute *attr,
385 char *buf)
386{
387 struct bonding *bond = to_bond(d);
388 return sprintf(buf, "%d\n", bond->params.num_peer_notif);
389}
390static DEVICE_ATTR(num_grat_arp, 0644,
391 bonding_show_num_peer_notif, bonding_sysfs_store_option);
392static DEVICE_ATTR(num_unsol_na, 0644,
393 bonding_show_num_peer_notif, bonding_sysfs_store_option);
394
395
396static ssize_t bonding_show_miimon(struct device *d,
397 struct device_attribute *attr,
398 char *buf)
399{
400 struct bonding *bond = to_bond(d);
401
402 return sprintf(buf, "%d\n", bond->params.miimon);
403}
404static DEVICE_ATTR(miimon, 0644,
405 bonding_show_miimon, bonding_sysfs_store_option);
406
407
408static ssize_t bonding_show_primary(struct device *d,
409 struct device_attribute *attr,
410 char *buf)
411{
412 struct bonding *bond = to_bond(d);
413 struct slave *primary;
414 int count = 0;
415
416 rcu_read_lock();
417 primary = rcu_dereference(bond->primary_slave);
418 if (primary)
419 count = sprintf(buf, "%s\n", primary->dev->name);
420 rcu_read_unlock();
421
422 return count;
423}
424static DEVICE_ATTR(primary, 0644,
425 bonding_show_primary, bonding_sysfs_store_option);
426
427
428static ssize_t bonding_show_primary_reselect(struct device *d,
429 struct device_attribute *attr,
430 char *buf)
431{
432 struct bonding *bond = to_bond(d);
433 const struct bond_opt_value *val;
434
435 val = bond_opt_get_val(BOND_OPT_PRIMARY_RESELECT,
436 bond->params.primary_reselect);
437
438 return sprintf(buf, "%s %d\n",
439 val->string, bond->params.primary_reselect);
440}
441static DEVICE_ATTR(primary_reselect, 0644,
442 bonding_show_primary_reselect, bonding_sysfs_store_option);
443
444
445static ssize_t bonding_show_carrier(struct device *d,
446 struct device_attribute *attr,
447 char *buf)
448{
449 struct bonding *bond = to_bond(d);
450
451 return sprintf(buf, "%d\n", bond->params.use_carrier);
452}
453static DEVICE_ATTR(use_carrier, 0644,
454 bonding_show_carrier, bonding_sysfs_store_option);
455
456
457
458static ssize_t bonding_show_active_slave(struct device *d,
459 struct device_attribute *attr,
460 char *buf)
461{
462 struct bonding *bond = to_bond(d);
463 struct net_device *slave_dev;
464 int count = 0;
465
466 rcu_read_lock();
467 slave_dev = bond_option_active_slave_get_rcu(bond);
468 if (slave_dev)
469 count = sprintf(buf, "%s\n", slave_dev->name);
470 rcu_read_unlock();
471
472 return count;
473}
474static DEVICE_ATTR(active_slave, 0644,
475 bonding_show_active_slave, bonding_sysfs_store_option);
476
477
478static ssize_t bonding_show_mii_status(struct device *d,
479 struct device_attribute *attr,
480 char *buf)
481{
482 struct bonding *bond = to_bond(d);
483 bool active = netif_carrier_ok(bond->dev);
484
485 return sprintf(buf, "%s\n", active ? "up" : "down");
486}
487static DEVICE_ATTR(mii_status, 0444, bonding_show_mii_status, NULL);
488
489
490static ssize_t bonding_show_ad_aggregator(struct device *d,
491 struct device_attribute *attr,
492 char *buf)
493{
494 int count = 0;
495 struct bonding *bond = to_bond(d);
496
497 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
498 struct ad_info ad_info;
499 count = sprintf(buf, "%d\n",
500 bond_3ad_get_active_agg_info(bond, &ad_info)
501 ? 0 : ad_info.aggregator_id);
502 }
503
504 return count;
505}
506static DEVICE_ATTR(ad_aggregator, 0444, bonding_show_ad_aggregator, NULL);
507
508
509
510static ssize_t bonding_show_ad_num_ports(struct device *d,
511 struct device_attribute *attr,
512 char *buf)
513{
514 int count = 0;
515 struct bonding *bond = to_bond(d);
516
517 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
518 struct ad_info ad_info;
519 count = sprintf(buf, "%d\n",
520 bond_3ad_get_active_agg_info(bond, &ad_info)
521 ? 0 : ad_info.ports);
522 }
523
524 return count;
525}
526static DEVICE_ATTR(ad_num_ports, 0444, bonding_show_ad_num_ports, NULL);
527
528
529
530static ssize_t bonding_show_ad_actor_key(struct device *d,
531 struct device_attribute *attr,
532 char *buf)
533{
534 int count = 0;
535 struct bonding *bond = to_bond(d);
536
537 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
538 struct ad_info ad_info;
539 count = sprintf(buf, "%d\n",
540 bond_3ad_get_active_agg_info(bond, &ad_info)
541 ? 0 : ad_info.actor_key);
542 }
543
544 return count;
545}
546static DEVICE_ATTR(ad_actor_key, 0444, bonding_show_ad_actor_key, NULL);
547
548
549
550static ssize_t bonding_show_ad_partner_key(struct device *d,
551 struct device_attribute *attr,
552 char *buf)
553{
554 int count = 0;
555 struct bonding *bond = to_bond(d);
556
557 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
558 struct ad_info ad_info;
559 count = sprintf(buf, "%d\n",
560 bond_3ad_get_active_agg_info(bond, &ad_info)
561 ? 0 : ad_info.partner_key);
562 }
563
564 return count;
565}
566static DEVICE_ATTR(ad_partner_key, 0444, bonding_show_ad_partner_key, NULL);
567
568
569
570static ssize_t bonding_show_ad_partner_mac(struct device *d,
571 struct device_attribute *attr,
572 char *buf)
573{
574 int count = 0;
575 struct bonding *bond = to_bond(d);
576
577 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
578 struct ad_info ad_info;
579 if (!bond_3ad_get_active_agg_info(bond, &ad_info))
580 count = sprintf(buf, "%pM\n", ad_info.partner_system);
581 }
582
583 return count;
584}
585static DEVICE_ATTR(ad_partner_mac, 0444, bonding_show_ad_partner_mac, NULL);
586
587
588static ssize_t bonding_show_queue_id(struct device *d,
589 struct device_attribute *attr,
590 char *buf)
591{
592 struct bonding *bond = to_bond(d);
593 struct list_head *iter;
594 struct slave *slave;
595 int res = 0;
596
597 if (!rtnl_trylock())
598 return restart_syscall();
599
600 bond_for_each_slave(bond, slave, iter) {
601 if (res > (PAGE_SIZE - IFNAMSIZ - 6)) {
602
603 if ((PAGE_SIZE - res) > 10)
604 res = PAGE_SIZE - 10;
605 res += sprintf(buf + res, "++more++ ");
606 break;
607 }
608 res += sprintf(buf + res, "%s:%d ",
609 slave->dev->name, slave->queue_id);
610 }
611 if (res)
612 buf[res-1] = '\n';
613
614 rtnl_unlock();
615
616 return res;
617}
618static DEVICE_ATTR(queue_id, 0644, bonding_show_queue_id,
619 bonding_sysfs_store_option);
620
621
622
623static ssize_t bonding_show_slaves_active(struct device *d,
624 struct device_attribute *attr,
625 char *buf)
626{
627 struct bonding *bond = to_bond(d);
628
629 return sprintf(buf, "%d\n", bond->params.all_slaves_active);
630}
631static DEVICE_ATTR(all_slaves_active, 0644,
632 bonding_show_slaves_active, bonding_sysfs_store_option);
633
634
635static ssize_t bonding_show_resend_igmp(struct device *d,
636 struct device_attribute *attr,
637 char *buf)
638{
639 struct bonding *bond = to_bond(d);
640
641 return sprintf(buf, "%d\n", bond->params.resend_igmp);
642}
643static DEVICE_ATTR(resend_igmp, 0644,
644 bonding_show_resend_igmp, bonding_sysfs_store_option);
645
646
647static ssize_t bonding_show_lp_interval(struct device *d,
648 struct device_attribute *attr,
649 char *buf)
650{
651 struct bonding *bond = to_bond(d);
652
653 return sprintf(buf, "%d\n", bond->params.lp_interval);
654}
655static DEVICE_ATTR(lp_interval, 0644,
656 bonding_show_lp_interval, bonding_sysfs_store_option);
657
658static ssize_t bonding_show_tlb_dynamic_lb(struct device *d,
659 struct device_attribute *attr,
660 char *buf)
661{
662 struct bonding *bond = to_bond(d);
663 return sprintf(buf, "%d\n", bond->params.tlb_dynamic_lb);
664}
665static DEVICE_ATTR(tlb_dynamic_lb, 0644,
666 bonding_show_tlb_dynamic_lb, bonding_sysfs_store_option);
667
668static ssize_t bonding_show_packets_per_slave(struct device *d,
669 struct device_attribute *attr,
670 char *buf)
671{
672 struct bonding *bond = to_bond(d);
673 unsigned int packets_per_slave = bond->params.packets_per_slave;
674
675 return sprintf(buf, "%u\n", packets_per_slave);
676}
677static DEVICE_ATTR(packets_per_slave, 0644,
678 bonding_show_packets_per_slave, bonding_sysfs_store_option);
679
680static ssize_t bonding_show_ad_actor_sys_prio(struct device *d,
681 struct device_attribute *attr,
682 char *buf)
683{
684 struct bonding *bond = to_bond(d);
685
686 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
687 return sprintf(buf, "%hu\n", bond->params.ad_actor_sys_prio);
688
689 return 0;
690}
691static DEVICE_ATTR(ad_actor_sys_prio, 0644,
692 bonding_show_ad_actor_sys_prio, bonding_sysfs_store_option);
693
694static ssize_t bonding_show_ad_actor_system(struct device *d,
695 struct device_attribute *attr,
696 char *buf)
697{
698 struct bonding *bond = to_bond(d);
699
700 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
701 return sprintf(buf, "%pM\n", bond->params.ad_actor_system);
702
703 return 0;
704}
705
706static DEVICE_ATTR(ad_actor_system, 0644,
707 bonding_show_ad_actor_system, bonding_sysfs_store_option);
708
709static ssize_t bonding_show_ad_user_port_key(struct device *d,
710 struct device_attribute *attr,
711 char *buf)
712{
713 struct bonding *bond = to_bond(d);
714
715 if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
716 return sprintf(buf, "%hu\n", bond->params.ad_user_port_key);
717
718 return 0;
719}
720static DEVICE_ATTR(ad_user_port_key, 0644,
721 bonding_show_ad_user_port_key, bonding_sysfs_store_option);
722
723static struct attribute *per_bond_attrs[] = {
724 &dev_attr_slaves.attr,
725 &dev_attr_mode.attr,
726 &dev_attr_fail_over_mac.attr,
727 &dev_attr_arp_validate.attr,
728 &dev_attr_arp_all_targets.attr,
729 &dev_attr_arp_interval.attr,
730 &dev_attr_arp_ip_target.attr,
731 &dev_attr_downdelay.attr,
732 &dev_attr_updelay.attr,
733 &dev_attr_peer_notif_delay.attr,
734 &dev_attr_lacp_rate.attr,
735 &dev_attr_ad_select.attr,
736 &dev_attr_xmit_hash_policy.attr,
737 &dev_attr_num_grat_arp.attr,
738 &dev_attr_num_unsol_na.attr,
739 &dev_attr_miimon.attr,
740 &dev_attr_primary.attr,
741 &dev_attr_primary_reselect.attr,
742 &dev_attr_use_carrier.attr,
743 &dev_attr_active_slave.attr,
744 &dev_attr_mii_status.attr,
745 &dev_attr_ad_aggregator.attr,
746 &dev_attr_ad_num_ports.attr,
747 &dev_attr_ad_actor_key.attr,
748 &dev_attr_ad_partner_key.attr,
749 &dev_attr_ad_partner_mac.attr,
750 &dev_attr_queue_id.attr,
751 &dev_attr_all_slaves_active.attr,
752 &dev_attr_resend_igmp.attr,
753 &dev_attr_min_links.attr,
754 &dev_attr_lp_interval.attr,
755 &dev_attr_packets_per_slave.attr,
756 &dev_attr_tlb_dynamic_lb.attr,
757 &dev_attr_ad_actor_sys_prio.attr,
758 &dev_attr_ad_actor_system.attr,
759 &dev_attr_ad_user_port_key.attr,
760 NULL,
761};
762
763static const struct attribute_group bonding_group = {
764 .name = "bonding",
765 .attrs = per_bond_attrs,
766};
767
768
769
770
771int bond_create_sysfs(struct bond_net *bn)
772{
773 int ret;
774
775 bn->class_attr_bonding_masters = class_attr_bonding_masters;
776 sysfs_attr_init(&bn->class_attr_bonding_masters.attr);
777
778 ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters,
779 bn->net);
780
781
782
783
784
785
786
787
788
789
790 if (ret == -EEXIST) {
791
792 if (__dev_get_by_name(bn->net,
793 class_attr_bonding_masters.attr.name))
794 pr_err("network device named %s already exists in sysfs\n",
795 class_attr_bonding_masters.attr.name);
796 ret = 0;
797 }
798
799 return ret;
800
801}
802
803
804void bond_destroy_sysfs(struct bond_net *bn)
805{
806 netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net);
807}
808
809
810
811
812void bond_prepare_sysfs_group(struct bonding *bond)
813{
814 bond->dev->sysfs_groups[0] = &bonding_group;
815}
816
817