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8#include <linux/module.h>
9#include <linux/errno.h>
10#include <linux/netdevice.h>
11#include <linux/etherdevice.h>
12#include <linux/if_link.h>
13#include <linux/if_ether.h>
14#include <net/netlink.h>
15#include <net/rtnetlink.h>
16#include <net/bonding.h>
17
18static size_t bond_get_slave_size(const struct net_device *bond_dev,
19 const struct net_device *slave_dev)
20{
21 return nla_total_size(sizeof(u8)) +
22 nla_total_size(sizeof(u8)) +
23 nla_total_size(sizeof(u32)) +
24 nla_total_size(MAX_ADDR_LEN) +
25 nla_total_size(sizeof(u16)) +
26 nla_total_size(sizeof(u16)) +
27 nla_total_size(sizeof(u8)) +
28 nla_total_size(sizeof(u16)) +
29 0;
30}
31
32static int bond_fill_slave_info(struct sk_buff *skb,
33 const struct net_device *bond_dev,
34 const struct net_device *slave_dev)
35{
36 struct slave *slave = bond_slave_get_rtnl(slave_dev);
37
38 if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave)))
39 goto nla_put_failure;
40
41 if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link))
42 goto nla_put_failure;
43
44 if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT,
45 slave->link_failure_count))
46 goto nla_put_failure;
47
48 if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR,
49 slave_dev->addr_len, slave->perm_hwaddr))
50 goto nla_put_failure;
51
52 if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id))
53 goto nla_put_failure;
54
55 if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
56 const struct aggregator *agg;
57 const struct port *ad_port;
58
59 ad_port = &SLAVE_AD_INFO(slave)->port;
60 agg = SLAVE_AD_INFO(slave)->port.aggregator;
61 if (agg) {
62 if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID,
63 agg->aggregator_identifier))
64 goto nla_put_failure;
65 if (nla_put_u8(skb,
66 IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE,
67 ad_port->actor_oper_port_state))
68 goto nla_put_failure;
69 if (nla_put_u16(skb,
70 IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE,
71 ad_port->partner_oper.port_state))
72 goto nla_put_failure;
73 }
74 }
75
76 return 0;
77
78nla_put_failure:
79 return -EMSGSIZE;
80}
81
82static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
83 [IFLA_BOND_MODE] = { .type = NLA_U8 },
84 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
85 [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
86 [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
87 [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
88 [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
89 [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
90 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
91 [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
92 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
93 [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
94 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
95 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
96 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
97 [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
98 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
99 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
100 [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
101 [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
102 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
103 [IFLA_BOND_AD_LACP_ACTIVE] = { .type = NLA_U8 },
104 [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
105 [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
106 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
107 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 },
108 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 },
109 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY,
110 .len = ETH_ALEN },
111 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 },
112 [IFLA_BOND_PEER_NOTIF_DELAY] = { .type = NLA_U32 },
113};
114
115static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
116 [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 },
117};
118
119static int bond_validate(struct nlattr *tb[], struct nlattr *data[],
120 struct netlink_ext_ack *extack)
121{
122 if (tb[IFLA_ADDRESS]) {
123 if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
124 return -EINVAL;
125 if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
126 return -EADDRNOTAVAIL;
127 }
128 return 0;
129}
130
131static int bond_slave_changelink(struct net_device *bond_dev,
132 struct net_device *slave_dev,
133 struct nlattr *tb[], struct nlattr *data[],
134 struct netlink_ext_ack *extack)
135{
136 struct bonding *bond = netdev_priv(bond_dev);
137 struct bond_opt_value newval;
138 int err;
139
140 if (!data)
141 return 0;
142
143 if (data[IFLA_BOND_SLAVE_QUEUE_ID]) {
144 u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]);
145 char queue_id_str[IFNAMSIZ + 7];
146
147
148 snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n",
149 slave_dev->name, queue_id);
150 bond_opt_initstr(&newval, queue_id_str);
151 err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval);
152 if (err)
153 return err;
154 }
155
156 return 0;
157}
158
159static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
160 struct nlattr *data[],
161 struct netlink_ext_ack *extack)
162{
163 struct bonding *bond = netdev_priv(bond_dev);
164 struct bond_opt_value newval;
165 int miimon = 0;
166 int err;
167
168 if (!data)
169 return 0;
170
171 if (data[IFLA_BOND_MODE]) {
172 int mode = nla_get_u8(data[IFLA_BOND_MODE]);
173
174 bond_opt_initval(&newval, mode);
175 err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
176 if (err)
177 return err;
178 }
179 if (data[IFLA_BOND_ACTIVE_SLAVE]) {
180 int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
181 struct net_device *slave_dev;
182 char *active_slave = "";
183
184 if (ifindex != 0) {
185 slave_dev = __dev_get_by_index(dev_net(bond_dev),
186 ifindex);
187 if (!slave_dev)
188 return -ENODEV;
189 active_slave = slave_dev->name;
190 }
191 bond_opt_initstr(&newval, active_slave);
192 err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval);
193 if (err)
194 return err;
195 }
196 if (data[IFLA_BOND_MIIMON]) {
197 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
198
199 bond_opt_initval(&newval, miimon);
200 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
201 if (err)
202 return err;
203 }
204 if (data[IFLA_BOND_UPDELAY]) {
205 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
206
207 bond_opt_initval(&newval, updelay);
208 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
209 if (err)
210 return err;
211 }
212 if (data[IFLA_BOND_DOWNDELAY]) {
213 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
214
215 bond_opt_initval(&newval, downdelay);
216 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
217 if (err)
218 return err;
219 }
220 if (data[IFLA_BOND_PEER_NOTIF_DELAY]) {
221 int delay = nla_get_u32(data[IFLA_BOND_PEER_NOTIF_DELAY]);
222
223 bond_opt_initval(&newval, delay);
224 err = __bond_opt_set(bond, BOND_OPT_PEER_NOTIF_DELAY, &newval);
225 if (err)
226 return err;
227 }
228 if (data[IFLA_BOND_USE_CARRIER]) {
229 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
230
231 bond_opt_initval(&newval, use_carrier);
232 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
233 if (err)
234 return err;
235 }
236 if (data[IFLA_BOND_ARP_INTERVAL]) {
237 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
238
239 if (arp_interval && miimon) {
240 netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n");
241 return -EINVAL;
242 }
243
244 bond_opt_initval(&newval, arp_interval);
245 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
246 if (err)
247 return err;
248 }
249 if (data[IFLA_BOND_ARP_IP_TARGET]) {
250 struct nlattr *attr;
251 int i = 0, rem;
252
253 bond_option_arp_ip_targets_clear(bond);
254 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
255 __be32 target;
256
257 if (nla_len(attr) < sizeof(target))
258 return -EINVAL;
259
260 target = nla_get_be32(attr);
261
262 bond_opt_initval(&newval, (__force u64)target);
263 err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
264 &newval);
265 if (err)
266 break;
267 i++;
268 }
269 if (i == 0 && bond->params.arp_interval)
270 netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");
271 if (err)
272 return err;
273 }
274 if (data[IFLA_BOND_ARP_VALIDATE]) {
275 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
276
277 if (arp_validate && miimon) {
278 netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n");
279 return -EINVAL;
280 }
281
282 bond_opt_initval(&newval, arp_validate);
283 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
284 if (err)
285 return err;
286 }
287 if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
288 int arp_all_targets =
289 nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
290
291 bond_opt_initval(&newval, arp_all_targets);
292 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
293 if (err)
294 return err;
295 }
296 if (data[IFLA_BOND_PRIMARY]) {
297 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
298 struct net_device *dev;
299 char *primary = "";
300
301 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
302 if (dev)
303 primary = dev->name;
304
305 bond_opt_initstr(&newval, primary);
306 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
307 if (err)
308 return err;
309 }
310 if (data[IFLA_BOND_PRIMARY_RESELECT]) {
311 int primary_reselect =
312 nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
313
314 bond_opt_initval(&newval, primary_reselect);
315 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
316 if (err)
317 return err;
318 }
319 if (data[IFLA_BOND_FAIL_OVER_MAC]) {
320 int fail_over_mac =
321 nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
322
323 bond_opt_initval(&newval, fail_over_mac);
324 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
325 if (err)
326 return err;
327 }
328 if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
329 int xmit_hash_policy =
330 nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
331
332 bond_opt_initval(&newval, xmit_hash_policy);
333 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
334 if (err)
335 return err;
336 }
337 if (data[IFLA_BOND_RESEND_IGMP]) {
338 int resend_igmp =
339 nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
340
341 bond_opt_initval(&newval, resend_igmp);
342 err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval);
343 if (err)
344 return err;
345 }
346 if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
347 int num_peer_notif =
348 nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
349
350 bond_opt_initval(&newval, num_peer_notif);
351 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
352 if (err)
353 return err;
354 }
355 if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
356 int all_slaves_active =
357 nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
358
359 bond_opt_initval(&newval, all_slaves_active);
360 err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval);
361 if (err)
362 return err;
363 }
364 if (data[IFLA_BOND_MIN_LINKS]) {
365 int min_links =
366 nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
367
368 bond_opt_initval(&newval, min_links);
369 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
370 if (err)
371 return err;
372 }
373 if (data[IFLA_BOND_LP_INTERVAL]) {
374 int lp_interval =
375 nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
376
377 bond_opt_initval(&newval, lp_interval);
378 err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval);
379 if (err)
380 return err;
381 }
382 if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
383 int packets_per_slave =
384 nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
385
386 bond_opt_initval(&newval, packets_per_slave);
387 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
388 if (err)
389 return err;
390 }
391
392 if (data[IFLA_BOND_AD_LACP_ACTIVE]) {
393 int lacp_active = nla_get_u8(data[IFLA_BOND_AD_LACP_ACTIVE]);
394
395 bond_opt_initval(&newval, lacp_active);
396 err = __bond_opt_set(bond, BOND_OPT_LACP_ACTIVE, &newval);
397 if (err)
398 return err;
399 }
400
401 if (data[IFLA_BOND_AD_LACP_RATE]) {
402 int lacp_rate =
403 nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
404
405 bond_opt_initval(&newval, lacp_rate);
406 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
407 if (err)
408 return err;
409 }
410 if (data[IFLA_BOND_AD_SELECT]) {
411 int ad_select =
412 nla_get_u8(data[IFLA_BOND_AD_SELECT]);
413
414 bond_opt_initval(&newval, ad_select);
415 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
416 if (err)
417 return err;
418 }
419 if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
420 int actor_sys_prio =
421 nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]);
422
423 bond_opt_initval(&newval, actor_sys_prio);
424 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval);
425 if (err)
426 return err;
427 }
428 if (data[IFLA_BOND_AD_USER_PORT_KEY]) {
429 int port_key =
430 nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]);
431
432 bond_opt_initval(&newval, port_key);
433 err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval);
434 if (err)
435 return err;
436 }
437 if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) {
438 if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN)
439 return -EINVAL;
440
441 bond_opt_initval(&newval,
442 nla_get_u64(data[IFLA_BOND_AD_ACTOR_SYSTEM]));
443 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval);
444 if (err)
445 return err;
446 }
447 if (data[IFLA_BOND_TLB_DYNAMIC_LB]) {
448 int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]);
449
450 bond_opt_initval(&newval, dynamic_lb);
451 err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval);
452 if (err)
453 return err;
454 }
455
456 return 0;
457}
458
459static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
460 struct nlattr *tb[], struct nlattr *data[],
461 struct netlink_ext_ack *extack)
462{
463 int err;
464
465 err = bond_changelink(bond_dev, tb, data, extack);
466 if (err < 0)
467 return err;
468
469 err = register_netdevice(bond_dev);
470 if (!err) {
471 struct bonding *bond = netdev_priv(bond_dev);
472
473 netif_carrier_off(bond_dev);
474 bond_work_init_all(bond);
475 }
476
477 return err;
478}
479
480static size_t bond_get_size(const struct net_device *bond_dev)
481{
482 return nla_total_size(sizeof(u8)) +
483 nla_total_size(sizeof(u32)) +
484 nla_total_size(sizeof(u32)) +
485 nla_total_size(sizeof(u32)) +
486 nla_total_size(sizeof(u32)) +
487 nla_total_size(sizeof(u8)) +
488 nla_total_size(sizeof(u32)) +
489
490 nla_total_size(sizeof(struct nlattr)) +
491 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
492 nla_total_size(sizeof(u32)) +
493 nla_total_size(sizeof(u32)) +
494 nla_total_size(sizeof(u32)) +
495 nla_total_size(sizeof(u8)) +
496 nla_total_size(sizeof(u8)) +
497 nla_total_size(sizeof(u8)) +
498 nla_total_size(sizeof(u32)) +
499 nla_total_size(sizeof(u8)) +
500 nla_total_size(sizeof(u8)) +
501 nla_total_size(sizeof(u32)) +
502 nla_total_size(sizeof(u32)) +
503 nla_total_size(sizeof(u32)) +
504 nla_total_size(sizeof(u8)) +
505 nla_total_size(sizeof(u8)) +
506 nla_total_size(sizeof(u8)) +
507 nla_total_size(sizeof(struct nlattr)) +
508 nla_total_size(sizeof(u16)) +
509 nla_total_size(sizeof(u16)) +
510 nla_total_size(sizeof(u16)) +
511 nla_total_size(sizeof(u16)) +
512 nla_total_size(ETH_ALEN) +
513 nla_total_size(sizeof(u16)) +
514 nla_total_size(sizeof(u16)) +
515 nla_total_size(ETH_ALEN) +
516 nla_total_size(sizeof(u8)) +
517 nla_total_size(sizeof(u32)) +
518 0;
519}
520
521static int bond_option_active_slave_get_ifindex(struct bonding *bond)
522{
523 const struct net_device *slave;
524 int ifindex;
525
526 rcu_read_lock();
527 slave = bond_option_active_slave_get_rcu(bond);
528 ifindex = slave ? slave->ifindex : 0;
529 rcu_read_unlock();
530 return ifindex;
531}
532
533static int bond_fill_info(struct sk_buff *skb,
534 const struct net_device *bond_dev)
535{
536 struct bonding *bond = netdev_priv(bond_dev);
537 unsigned int packets_per_slave;
538 int ifindex, i, targets_added;
539 struct nlattr *targets;
540 struct slave *primary;
541
542 if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond)))
543 goto nla_put_failure;
544
545 ifindex = bond_option_active_slave_get_ifindex(bond);
546 if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex))
547 goto nla_put_failure;
548
549 if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
550 goto nla_put_failure;
551
552 if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
553 bond->params.updelay * bond->params.miimon))
554 goto nla_put_failure;
555
556 if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
557 bond->params.downdelay * bond->params.miimon))
558 goto nla_put_failure;
559
560 if (nla_put_u32(skb, IFLA_BOND_PEER_NOTIF_DELAY,
561 bond->params.peer_notif_delay * bond->params.miimon))
562 goto nla_put_failure;
563
564 if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
565 goto nla_put_failure;
566
567 if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
568 goto nla_put_failure;
569
570 targets = nla_nest_start_noflag(skb, IFLA_BOND_ARP_IP_TARGET);
571 if (!targets)
572 goto nla_put_failure;
573
574 targets_added = 0;
575 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
576 if (bond->params.arp_targets[i]) {
577 if (nla_put_be32(skb, i, bond->params.arp_targets[i]))
578 goto nla_put_failure;
579 targets_added = 1;
580 }
581 }
582
583 if (targets_added)
584 nla_nest_end(skb, targets);
585 else
586 nla_nest_cancel(skb, targets);
587
588 if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
589 goto nla_put_failure;
590
591 if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
592 bond->params.arp_all_targets))
593 goto nla_put_failure;
594
595 primary = rtnl_dereference(bond->primary_slave);
596 if (primary &&
597 nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex))
598 goto nla_put_failure;
599
600 if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
601 bond->params.primary_reselect))
602 goto nla_put_failure;
603
604 if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
605 bond->params.fail_over_mac))
606 goto nla_put_failure;
607
608 if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
609 bond->params.xmit_policy))
610 goto nla_put_failure;
611
612 if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
613 bond->params.resend_igmp))
614 goto nla_put_failure;
615
616 if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
617 bond->params.num_peer_notif))
618 goto nla_put_failure;
619
620 if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
621 bond->params.all_slaves_active))
622 goto nla_put_failure;
623
624 if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
625 bond->params.min_links))
626 goto nla_put_failure;
627
628 if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
629 bond->params.lp_interval))
630 goto nla_put_failure;
631
632 packets_per_slave = bond->params.packets_per_slave;
633 if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
634 packets_per_slave))
635 goto nla_put_failure;
636
637 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_ACTIVE,
638 bond->params.lacp_active))
639 goto nla_put_failure;
640
641 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
642 bond->params.lacp_fast))
643 goto nla_put_failure;
644
645 if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
646 bond->params.ad_select))
647 goto nla_put_failure;
648
649 if (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB,
650 bond->params.tlb_dynamic_lb))
651 goto nla_put_failure;
652
653 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
654 struct ad_info info;
655
656 if (capable(CAP_NET_ADMIN)) {
657 if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO,
658 bond->params.ad_actor_sys_prio))
659 goto nla_put_failure;
660
661 if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY,
662 bond->params.ad_user_port_key))
663 goto nla_put_failure;
664
665 if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
666 ETH_ALEN, &bond->params.ad_actor_system))
667 goto nla_put_failure;
668 }
669 if (!bond_3ad_get_active_agg_info(bond, &info)) {
670 struct nlattr *nest;
671
672 nest = nla_nest_start_noflag(skb, IFLA_BOND_AD_INFO);
673 if (!nest)
674 goto nla_put_failure;
675
676 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
677 info.aggregator_id))
678 goto nla_put_failure;
679 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
680 info.ports))
681 goto nla_put_failure;
682 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
683 info.actor_key))
684 goto nla_put_failure;
685 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
686 info.partner_key))
687 goto nla_put_failure;
688 if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
689 sizeof(info.partner_system),
690 &info.partner_system))
691 goto nla_put_failure;
692
693 nla_nest_end(skb, nest);
694 }
695 }
696
697 return 0;
698
699nla_put_failure:
700 return -EMSGSIZE;
701}
702
703static size_t bond_get_linkxstats_size(const struct net_device *dev, int attr)
704{
705 switch (attr) {
706 case IFLA_STATS_LINK_XSTATS:
707 case IFLA_STATS_LINK_XSTATS_SLAVE:
708 break;
709 default:
710 return 0;
711 }
712
713 return bond_3ad_stats_size() + nla_total_size(0);
714}
715
716static int bond_fill_linkxstats(struct sk_buff *skb,
717 const struct net_device *dev,
718 int *prividx, int attr)
719{
720 struct nlattr *nla __maybe_unused;
721 struct slave *slave = NULL;
722 struct nlattr *nest, *nest2;
723 struct bonding *bond;
724
725 switch (attr) {
726 case IFLA_STATS_LINK_XSTATS:
727 bond = netdev_priv(dev);
728 break;
729 case IFLA_STATS_LINK_XSTATS_SLAVE:
730 slave = bond_slave_get_rtnl(dev);
731 if (!slave)
732 return 0;
733 bond = slave->bond;
734 break;
735 default:
736 return -EINVAL;
737 }
738
739 nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BOND);
740 if (!nest)
741 return -EMSGSIZE;
742 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
743 struct bond_3ad_stats *stats;
744
745 if (slave)
746 stats = &SLAVE_AD_INFO(slave)->stats;
747 else
748 stats = &BOND_AD_INFO(bond).stats;
749
750 nest2 = nla_nest_start_noflag(skb, BOND_XSTATS_3AD);
751 if (!nest2) {
752 nla_nest_end(skb, nest);
753 return -EMSGSIZE;
754 }
755
756 if (bond_3ad_stats_fill(skb, stats)) {
757 nla_nest_cancel(skb, nest2);
758 nla_nest_end(skb, nest);
759 return -EMSGSIZE;
760 }
761 nla_nest_end(skb, nest2);
762 }
763 nla_nest_end(skb, nest);
764
765 return 0;
766}
767
768struct rtnl_link_ops bond_link_ops __read_mostly = {
769 .kind = "bond",
770 .priv_size = sizeof(struct bonding),
771 .setup = bond_setup,
772 .maxtype = IFLA_BOND_MAX,
773 .policy = bond_policy,
774 .validate = bond_validate,
775 .newlink = bond_newlink,
776 .changelink = bond_changelink,
777 .get_size = bond_get_size,
778 .fill_info = bond_fill_info,
779 .get_num_tx_queues = bond_get_num_tx_queues,
780 .get_num_rx_queues = bond_get_num_tx_queues,
781
782 .fill_linkxstats = bond_fill_linkxstats,
783 .get_linkxstats_size = bond_get_linkxstats_size,
784 .slave_maxtype = IFLA_BOND_SLAVE_MAX,
785 .slave_policy = bond_slave_policy,
786 .slave_changelink = bond_slave_changelink,
787 .get_slave_size = bond_get_slave_size,
788 .fill_slave_info = bond_fill_slave_info,
789};
790
791int __init bond_netlink_init(void)
792{
793 return rtnl_link_register(&bond_link_ops);
794}
795
796void bond_netlink_fini(void)
797{
798 rtnl_link_unregister(&bond_link_ops);
799}
800
801MODULE_ALIAS_RTNL_LINK("bond");
802
