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net: add netlink_ext_ack argument to rtnl_link_ops.changelink
[mirror_ubuntu-jammy-kernel.git] / drivers / net / bonding / bond_netlink.c
CommitLineData
0a2a78c4
JP		 1/*
2 * drivers/net/bond/bond_netlink.c - Netlink interface for bonding
3 * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
eecdaa6e 4 * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com>
0a2a78c4
JP		 5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
0a2a78c4
JP		 12#include <linux/module.h>
13#include <linux/errno.h>
14#include <linux/netdevice.h>
15#include <linux/etherdevice.h>
16#include <linux/if_link.h>
17#include <linux/if_ether.h>
18#include <net/netlink.h>
19#include <net/rtnetlink.h>
1ef8019b 20#include <net/bonding.h>
0a2a78c4 21
3bad540e
JP		 22static size_t bond_get_slave_size(const struct net_device *bond_dev,
23 const struct net_device *slave_dev)
24{
25 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_STATE */
26 nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */
27 nla_total_size(sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */
28 nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */
29 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */
30 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */
254cb6db 31 nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE */
46ea297e 32 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */
3bad540e
JP		 33 0;
34}
35
36static int bond_fill_slave_info(struct sk_buff *skb,
37 const struct net_device *bond_dev,
38 const struct net_device *slave_dev)
1d3ee88a 39{
40 struct slave *slave = bond_slave_get_rtnl(slave_dev);
1d3ee88a 41
df7dbcbb 42 if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave)))
1d3ee88a 43 goto nla_put_failure;
44
df7dbcbb 45 if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link))
1d3ee88a 46 goto nla_put_failure;
47
df7dbcbb 48 if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT,
1d3ee88a 49 slave->link_failure_count))
50 goto nla_put_failure;
51
df7dbcbb 52 if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR,
1d3ee88a 53 slave_dev->addr_len, slave->perm_hwaddr))
54 goto nla_put_failure;
55
df7dbcbb 56 if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id))
1d3ee88a 57 goto nla_put_failure;
58
01844098 59 if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
3bad540e 60 const struct aggregator *agg;
254cb6db 61 const struct port *ad_port;
3bad540e 62
254cb6db 63 ad_port = &SLAVE_AD_INFO(slave)->port;
3fdddd85 64 agg = SLAVE_AD_INFO(slave)->port.aggregator;
254cb6db 65 if (agg) {
df7dbcbb 66 if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID,
1d3ee88a 67 agg->aggregator_identifier))
68 goto nla_put_failure;
254cb6db
NA		 69 if (nla_put_u8(skb,
70 IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE,
71 ad_port->actor_oper_port_state))
72 goto nla_put_failure;
46ea297e
NA		 73 if (nla_put_u16(skb,
74 IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE,
75 ad_port->partner_oper.port_state))
76 goto nla_put_failure;
254cb6db 77 }
1d3ee88a 78 }
79
80 return 0;
81
82nla_put_failure:
83 return -EMSGSIZE;
84}
85
90af2311
JP		 86static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
87 [IFLA_BOND_MODE] = { .type = NLA_U8 },
ec76aa49 88 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
eecdaa6e 89 [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
25852e29 90 [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
c7461f9b 91 [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
9f53e14e 92 [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
06151dbc 93 [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
7f28fa10 94 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
29c49482 95 [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
d5c84254 96 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
0a98a0d1 97 [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
8a41ae44 98 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
89901972 99 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
f70161c6 100 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
d8838de7 101 [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
2c9839c1 102 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
1cc0b1e3 103 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
7d101008 104 [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
8d836d09 105 [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
c13ab3ff 106 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
998e40bb 107 [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
ec029fac 108 [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
4ee7ac75 109 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
171a42c3
AG		 110 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 },
111 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 },
112 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY,
113 .len = ETH_ALEN },
0f7bffd9 114 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 },
90af2311
JP		 115};
116
cea6aeb6
JP		 117static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
118 [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 },
119};
120
0a2a78c4
JP		 121static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
122{
123 if (tb[IFLA_ADDRESS]) {
124 if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
125 return -EINVAL;
126 if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
127 return -EADDRNOTAVAIL;
128 }
129 return 0;
130}
131
0f23124a
NA		 132static int bond_slave_changelink(struct net_device *bond_dev,
133 struct net_device *slave_dev,
134 struct nlattr *tb[], struct nlattr *data[])
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 /* queue_id option setting expects slave_name:queue_id */
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
ad744b22
MS		 159static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
160 struct nlattr *data[],
161 struct netlink_ext_ack *extack)
90af2311
JP		 162{
163 struct bonding *bond = netdev_priv(bond_dev);
2b3798d5 164 struct bond_opt_value newval;
06151dbc 165 int miimon = 0;
90af2311
JP		 166 int err;
167
eecdaa6e 168 if (!data)
169 return 0;
170
171 if (data[IFLA_BOND_MODE]) {
90af2311
JP		 172 int mode = nla_get_u8(data[IFLA_BOND_MODE]);
173
2b3798d5
NA		 174 bond_opt_initval(&newval, mode);
175 err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
90af2311
JP		 176 if (err)
177 return err;
178 }
eecdaa6e 179 if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49
JP		 180 int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
181 struct net_device *slave_dev;
d1fbd3ed 182 char *active_slave = "";
ec76aa49 183
d1fbd3ed 184 if (ifindex != 0) {
ec76aa49
JP		 185 slave_dev = __dev_get_by_index(dev_net(bond_dev),
186 ifindex);
187 if (!slave_dev)
188 return -ENODEV;
d1fbd3ed 189 active_slave = slave_dev->name;
ec76aa49 190 }
d1fbd3ed
NA		 191 bond_opt_initstr(&newval, active_slave);
192 err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval);
ec76aa49
JP		 193 if (err)
194 return err;
195 }
eecdaa6e 196 if (data[IFLA_BOND_MIIMON]) {
06151dbc 197 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e 198
b98d9c66
NA		 199 bond_opt_initval(&newval, miimon);
200 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
eecdaa6e 201 if (err)
202 return err;
203 }
25852e29 204 if (data[IFLA_BOND_UPDELAY]) {
205 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
206
e4994612
NA		 207 bond_opt_initval(&newval, updelay);
208 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
25852e29 209 if (err)
210 return err;
211 }
c7461f9b 212 if (data[IFLA_BOND_DOWNDELAY]) {
213 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
214
25a9b54a
NA		 215 bond_opt_initval(&newval, downdelay);
216 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
c7461f9b 217 if (err)
218 return err;
219 }
9f53e14e 220 if (data[IFLA_BOND_USE_CARRIER]) {
221 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
222
0fff0608
NA		 223 bond_opt_initval(&newval, use_carrier);
224 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
9f53e14e 225 if (err)
226 return err;
227 }
06151dbc 228 if (data[IFLA_BOND_ARP_INTERVAL]) {
229 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
230
231 if (arp_interval && miimon) {
a5f24542 232 netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n");
06151dbc 233 return -EINVAL;
234 }
235
7bdb04ed
NA		 236 bond_opt_initval(&newval, arp_interval);
237 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
06151dbc 238 if (err)
239 return err;
240 }
7f28fa10 241 if (data[IFLA_BOND_ARP_IP_TARGET]) {
7f28fa10 242 struct nlattr *attr;
243 int i = 0, rem;
244
4fb0ef58 245 bond_option_arp_ip_targets_clear(bond);
7f28fa10 246 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
f6c6fda4
TG		 247 __be32 target;
248
249 if (nla_len(attr) < sizeof(target))
250 return -EINVAL;
251
252 target = nla_get_be32(attr);
7f28fa10 253
a19a7ec8 254 bond_opt_initval(&newval, (__force u64)target);
4fb0ef58
NA		 255 err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
256 &newval);
257 if (err)
258 break;
259 i++;
260 }
261 if (i == 0 && bond->params.arp_interval)
a5f24542 262 netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");
7f28fa10 263 if (err)
264 return err;
265 }
29c49482 266 if (data[IFLA_BOND_ARP_VALIDATE]) {
267 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
268
269 if (arp_validate && miimon) {
a5f24542 270 netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n");
29c49482 271 return -EINVAL;
272 }
273
16228881
NA		 274 bond_opt_initval(&newval, arp_validate);
275 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
29c49482 276 if (err)
277 return err;
278 }
d5c84254 279 if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
280 int arp_all_targets =
281 nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
282
edf36b24
NA		 283 bond_opt_initval(&newval, arp_all_targets);
284 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
d5c84254 285 if (err)
286 return err;
287 }
0a98a0d1 288 if (data[IFLA_BOND_PRIMARY]) {
289 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
290 struct net_device *dev;
291 char *primary = "";
292
293 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
294 if (dev)
295 primary = dev->name;
296
180222f0
NA		 297 bond_opt_initstr(&newval, primary);
298 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
0a98a0d1 299 if (err)
300 return err;
301 }
8a41ae44 302 if (data[IFLA_BOND_PRIMARY_RESELECT]) {
303 int primary_reselect =
304 nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
305
388d3a6d
NA		 306 bond_opt_initval(&newval, primary_reselect);
307 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
8a41ae44 308 if (err)
309 return err;
310 }
89901972 311 if (data[IFLA_BOND_FAIL_OVER_MAC]) {
312 int fail_over_mac =
313 nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
314
1df6b6aa
NA		 315 bond_opt_initval(&newval, fail_over_mac);
316 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
89901972 317 if (err)
318 return err;
319 }
f70161c6 320 if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
321 int xmit_hash_policy =
322 nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
323
a4b32ce7
NA		 324 bond_opt_initval(&newval, xmit_hash_policy);
325 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
f70161c6 326 if (err)
327 return err;
328 }
d8838de7 329 if (data[IFLA_BOND_RESEND_IGMP]) {
330 int resend_igmp =
331 nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
332
105c8fb6
NA		 333 bond_opt_initval(&newval, resend_igmp);
334 err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval);
d8838de7 335 if (err)
336 return err;
337 }
2c9839c1 338 if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
339 int num_peer_notif =
340 nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
341
ef56becb
NA		 342 bond_opt_initval(&newval, num_peer_notif);
343 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
2c9839c1 344 if (err)
345 return err;
346 }
1cc0b1e3 347 if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
348 int all_slaves_active =
349 nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
350
3df01162
NA		 351 bond_opt_initval(&newval, all_slaves_active);
352 err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval);
1cc0b1e3 353 if (err)
354 return err;
355 }
7d101008 356 if (data[IFLA_BOND_MIN_LINKS]) {
357 int min_links =
358 nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
359
633ddc9e
NA		 360 bond_opt_initval(&newval, min_links);
361 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
7d101008 362 if (err)
363 return err;
364 }
8d836d09 365 if (data[IFLA_BOND_LP_INTERVAL]) {
366 int lp_interval =
367 nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
368
4325b374
NA		 369 bond_opt_initval(&newval, lp_interval);
370 err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval);
8d836d09 371 if (err)
372 return err;
373 }
c13ab3ff 374 if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
375 int packets_per_slave =
376 nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
377
aa59d851
NA		 378 bond_opt_initval(&newval, packets_per_slave);
379 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
c13ab3ff 380 if (err)
381 return err;
382 }
998e40bb 383 if (data[IFLA_BOND_AD_LACP_RATE]) {
384 int lacp_rate =
385 nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
386
d3131de7
NA		 387 bond_opt_initval(&newval, lacp_rate);
388 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
998e40bb 389 if (err)
390 return err;
391 }
ec029fac 392 if (data[IFLA_BOND_AD_SELECT]) {
393 int ad_select =
394 nla_get_u8(data[IFLA_BOND_AD_SELECT]);
395
9e5f5eeb
NA		 396 bond_opt_initval(&newval, ad_select);
397 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
ec029fac 398 if (err)
399 return err;
400 }
171a42c3
AG		 401 if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
402 int actor_sys_prio =
403 nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]);
404
405 bond_opt_initval(&newval, actor_sys_prio);
406 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval);
407 if (err)
408 return err;
409 }
171a42c3
AG		 410 if (data[IFLA_BOND_AD_USER_PORT_KEY]) {
411 int port_key =
412 nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]);
413
414 bond_opt_initval(&newval, port_key);
415 err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval);
416 if (err)
417 return err;
418 }
171a42c3
AG		 419 if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) {
420 if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN)
421 return -EINVAL;
422
423 bond_opt_initval(&newval,
424 nla_get_be64(data[IFLA_BOND_AD_ACTOR_SYSTEM]));
425 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval);
426 if (err)
427 return err;
428 }
0f7bffd9
NA		 429 if (data[IFLA_BOND_TLB_DYNAMIC_LB]) {
430 int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]);
431
432 bond_opt_initval(&newval, dynamic_lb);
433 err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval);
434 if (err)
435 return err;
436 }
437
90af2311
JP		 438 return 0;
439}
440
441static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
7a3f4a18
MS		 442 struct nlattr *tb[], struct nlattr *data[],
443 struct netlink_ext_ack *extack)
90af2311
JP		 444{
445 int err;
446
ad744b22 447 err = bond_changelink(bond_dev, tb, data, extack);
90af2311
JP		 448 if (err < 0)
449 return err;
450
005db31d
BG		 451 err = register_netdevice(bond_dev);
452
453 netif_carrier_off(bond_dev);
ea8ffc08
MB		 454 if (!err) {
455 struct bonding *bond = netdev_priv(bond_dev);
456
457 bond_work_init_all(bond);
458 }
005db31d
BG		 459
460 return err;
90af2311
JP		 461}
462
463static size_t bond_get_size(const struct net_device *bond_dev)
464{
e139862e 465 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e 466 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
467 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29 468 nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b 469 nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e 470 nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc 471 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10 472 /* IFLA_BOND_ARP_IP_TARGET */
288db0aa 473 nla_total_size(sizeof(struct nlattr)) +
7f28fa10 474 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482 475 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254 476 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1 477 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44 478 nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972 479 nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6 480 nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7 481 nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1 482 nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3 483 nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008 484 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
8d836d09 485 nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
c13ab3ff 486 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
998e40bb 487 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
ec029fac 488 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
4ee7ac75 489 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
490 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
491 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
492 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
493 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
494 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
171a42c3
AG		 495 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */
496 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */
497 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */
0f7bffd9 498 nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */
eecdaa6e 499 0;
90af2311
JP		 500}
501
e965f804
ED		 502static int bond_option_active_slave_get_ifindex(struct bonding *bond)
503{
504 const struct net_device *slave;
505 int ifindex;
506
507 rcu_read_lock();
508 slave = bond_option_active_slave_get_rcu(bond);
509 ifindex = slave ? slave->ifindex : 0;
510 rcu_read_unlock();
511 return ifindex;
512}
513
90af2311
JP		 514static int bond_fill_info(struct sk_buff *skb,
515 const struct net_device *bond_dev)
516{
517 struct bonding *bond = netdev_priv(bond_dev);
c13ab3ff 518 unsigned int packets_per_slave;
e965f804
ED		 519 int ifindex, i, targets_added;
520 struct nlattr *targets;
059b47e8 521 struct slave *primary;
90af2311 522
01844098 523 if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond)))
90af2311 524 goto nla_put_failure;
eecdaa6e 525
e965f804
ED		 526 ifindex = bond_option_active_slave_get_ifindex(bond);
527 if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex))
eecdaa6e 528 goto nla_put_failure;
529
530 if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
531 goto nla_put_failure;
532
25852e29 533 if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
534 bond->params.updelay * bond->params.miimon))
535 goto nla_put_failure;
536
c7461f9b 537 if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
538 bond->params.downdelay * bond->params.miimon))
539 goto nla_put_failure;
540
9f53e14e 541 if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
542 goto nla_put_failure;
543
06151dbc 544 if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
545 goto nla_put_failure;
546
7f28fa10 547 targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
548 if (!targets)
549 goto nla_put_failure;
550
551 targets_added = 0;
552 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
553 if (bond->params.arp_targets[i]) {
d62844a8
HL		 554 if (nla_put_be32(skb, i, bond->params.arp_targets[i]))
555 goto nla_put_failure;
7f28fa10 556 targets_added = 1;
557 }
558 }
559
560 if (targets_added)
561 nla_nest_end(skb, targets);
562 else
563 nla_nest_cancel(skb, targets);
564
29c49482 565 if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
566 goto nla_put_failure;
567
d5c84254 568 if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
569 bond->params.arp_all_targets))
570 goto nla_put_failure;
571
059b47e8
NA		 572 primary = rtnl_dereference(bond->primary_slave);
573 if (primary &&
574 nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex))
0a98a0d1 575 goto nla_put_failure;
576
8a41ae44 577 if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
578 bond->params.primary_reselect))
579 goto nla_put_failure;
580
89901972 581 if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
582 bond->params.fail_over_mac))
583 goto nla_put_failure;
584
f70161c6 585 if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
586 bond->params.xmit_policy))
587 goto nla_put_failure;
588
d8838de7 589 if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
590 bond->params.resend_igmp))
591 goto nla_put_failure;
592
2c9839c1 593 if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
594 bond->params.num_peer_notif))
595 goto nla_put_failure;
596
1cc0b1e3 597 if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
598 bond->params.all_slaves_active))
599 goto nla_put_failure;
600
7d101008 601 if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
602 bond->params.min_links))
603 goto nla_put_failure;
604
8d836d09 605 if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
606 bond->params.lp_interval))
607 goto nla_put_failure;
608
c13ab3ff 609 packets_per_slave = bond->params.packets_per_slave;
c13ab3ff 610 if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
611 packets_per_slave))
612 goto nla_put_failure;
613
998e40bb 614 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
615 bond->params.lacp_fast))
616 goto nla_put_failure;
617
ec029fac 618 if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
619 bond->params.ad_select))
620 goto nla_put_failure;
621
0f7bffd9
NA		 622 if (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB,
623 bond->params.tlb_dynamic_lb))
624 goto nla_put_failure;
625
01844098 626 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
4ee7ac75 627 struct ad_info info;
628
4cd6b475
MB		 629 if (capable(CAP_NET_ADMIN)) {
630 if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO,
631 bond->params.ad_actor_sys_prio))
632 goto nla_put_failure;
171a42c3 633
4cd6b475
MB		 634 if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY,
635 bond->params.ad_user_port_key))
636 goto nla_put_failure;
171a42c3 637
4cd6b475
MB		 638 if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
639 sizeof(bond->params.ad_actor_system),
640 &bond->params.ad_actor_system))
641 goto nla_put_failure;
642 }
4ee7ac75 643 if (!bond_3ad_get_active_agg_info(bond, &info)) {
644 struct nlattr *nest;
645
646 nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
647 if (!nest)
648 goto nla_put_failure;
649
650 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
651 info.aggregator_id))
652 goto nla_put_failure;
653 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
654 info.ports))
655 goto nla_put_failure;
656 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
657 info.actor_key))
658 goto nla_put_failure;
659 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
660 info.partner_key))
661 goto nla_put_failure;
662 if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
663 sizeof(info.partner_system),
664 &info.partner_system))
665 goto nla_put_failure;
666
667 nla_nest_end(skb, nest);
668 }
669 }
670
90af2311
JP		 671 return 0;
672
673nla_put_failure:
674 return -EMSGSIZE;
675}
676
0a2a78c4
JP		 677struct rtnl_link_ops bond_link_ops __read_mostly = {
678 .kind = "bond",
679 .priv_size = sizeof(struct bonding),
680 .setup = bond_setup,
90af2311
JP		 681 .maxtype = IFLA_BOND_MAX,
682 .policy = bond_policy,
0a2a78c4 683 .validate = bond_validate,
90af2311
JP		 684 .newlink = bond_newlink,
685 .changelink = bond_changelink,
686 .get_size = bond_get_size,
687 .fill_info = bond_fill_info,
0a2a78c4
JP		 688 .get_num_tx_queues = bond_get_num_tx_queues,
689 .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
690 as for TX queues */
cea6aeb6
JP		 691 .slave_maxtype = IFLA_BOND_SLAVE_MAX,
692 .slave_policy = bond_slave_policy,
693 .slave_changelink = bond_slave_changelink,
3bad540e
JP		 694 .get_slave_size = bond_get_slave_size,
695 .fill_slave_info = bond_fill_slave_info,
0a2a78c4
JP		 696};
697
698int __init bond_netlink_init(void)
699{
700 return rtnl_link_register(&bond_link_ops);
701}
702
a729e83a 703void bond_netlink_fini(void)
0a2a78c4
JP		 704{
705 rtnl_link_unregister(&bond_link_ops);
706}
707
708MODULE_ALIAS_RTNL_LINK("bond");
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