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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
[mirror_ubuntu-eoan-kernel.git] / drivers / net / bonding / bond_netlink.c
CommitLineData
2874c5fd 1// SPDX-License-Identifier: GPL-2.0-or-later
0a2a78c4
JP		 2/*
3 * drivers/net/bond/bond_netlink.c - Netlink interface for bonding
4 * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
eecdaa6e 5 * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com>
0a2a78c4
JP		 6 */
7
0a2a78c4
JP		 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>
1ef8019b 16#include <net/bonding.h>
0a2a78c4 17
3bad540e
JP		 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)) + /* IFLA_BOND_SLAVE_STATE */
22 nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */
23 nla_total_size(sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */
24 nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */
25 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */
26 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */
254cb6db 27 nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE */
46ea297e 28 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */
3bad540e
JP		 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)
1d3ee88a 35{
36 struct slave *slave = bond_slave_get_rtnl(slave_dev);
1d3ee88a 37
df7dbcbb 38 if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave)))
1d3ee88a 39 goto nla_put_failure;
40
df7dbcbb 41 if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link))
1d3ee88a 42 goto nla_put_failure;
43
df7dbcbb 44 if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT,
1d3ee88a 45 slave->link_failure_count))
46 goto nla_put_failure;
47
df7dbcbb 48 if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR,
1d3ee88a 49 slave_dev->addr_len, slave->perm_hwaddr))
50 goto nla_put_failure;
51
df7dbcbb 52 if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id))
1d3ee88a 53 goto nla_put_failure;
54
01844098 55 if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
3bad540e 56 const struct aggregator *agg;
254cb6db 57 const struct port *ad_port;
3bad540e 58
254cb6db 59 ad_port = &SLAVE_AD_INFO(slave)->port;
3fdddd85 60 agg = SLAVE_AD_INFO(slave)->port.aggregator;
254cb6db 61 if (agg) {
df7dbcbb 62 if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID,
1d3ee88a 63 agg->aggregator_identifier))
64 goto nla_put_failure;
254cb6db
NA		 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;
46ea297e
NA		 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;
254cb6db 73 }
1d3ee88a 74 }
75
76 return 0;
77
78nla_put_failure:
79 return -EMSGSIZE;
80}
81
90af2311
JP		 82static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
83 [IFLA_BOND_MODE] = { .type = NLA_U8 },
ec76aa49 84 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
eecdaa6e 85 [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
25852e29 86 [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
c7461f9b 87 [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
9f53e14e 88 [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
06151dbc 89 [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
7f28fa10 90 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
29c49482 91 [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
d5c84254 92 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
0a98a0d1 93 [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
8a41ae44 94 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
89901972 95 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
f70161c6 96 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
d8838de7 97 [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
2c9839c1 98 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
1cc0b1e3 99 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
7d101008 100 [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
8d836d09 101 [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
c13ab3ff 102 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
998e40bb 103 [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
ec029fac 104 [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
4ee7ac75 105 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
171a42c3
AG		 106 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 },
107 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 },
108 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY,
109 .len = ETH_ALEN },
0f7bffd9 110 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 },
90af2311
JP		 111};
112
cea6aeb6
JP		 113static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
114 [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 },
115};
116
a8b8a889
MS		 117static int bond_validate(struct nlattr *tb[], struct nlattr *data[],
118 struct netlink_ext_ack *extack)
0a2a78c4
JP		 119{
120 if (tb[IFLA_ADDRESS]) {
121 if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
122 return -EINVAL;
123 if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
124 return -EADDRNOTAVAIL;
125 }
126 return 0;
127}
128
0f23124a
NA		 129static int bond_slave_changelink(struct net_device *bond_dev,
130 struct net_device *slave_dev,
17dd0ec4
MS		 131 struct nlattr *tb[], struct nlattr *data[],
132 struct netlink_ext_ack *extack)
0f23124a
NA		 133{
134 struct bonding *bond = netdev_priv(bond_dev);
135 struct bond_opt_value newval;
136 int err;
137
138 if (!data)
139 return 0;
140
141 if (data[IFLA_BOND_SLAVE_QUEUE_ID]) {
142 u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]);
143 char queue_id_str[IFNAMSIZ + 7];
144
145 /* queue_id option setting expects slave_name:queue_id */
146 snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n",
147 slave_dev->name, queue_id);
148 bond_opt_initstr(&newval, queue_id_str);
149 err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval);
150 if (err)
151 return err;
152 }
153
154 return 0;
155}
156
ad744b22
MS		 157static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
158 struct nlattr *data[],
159 struct netlink_ext_ack *extack)
90af2311
JP		 160{
161 struct bonding *bond = netdev_priv(bond_dev);
2b3798d5 162 struct bond_opt_value newval;
06151dbc 163 int miimon = 0;
90af2311
JP		 164 int err;
165
eecdaa6e 166 if (!data)
167 return 0;
168
169 if (data[IFLA_BOND_MODE]) {
90af2311
JP		 170 int mode = nla_get_u8(data[IFLA_BOND_MODE]);
171
2b3798d5
NA		 172 bond_opt_initval(&newval, mode);
173 err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
90af2311
JP		 174 if (err)
175 return err;
176 }
eecdaa6e 177 if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49
JP		 178 int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
179 struct net_device *slave_dev;
d1fbd3ed 180 char *active_slave = "";
ec76aa49 181
d1fbd3ed 182 if (ifindex != 0) {
ec76aa49
JP		 183 slave_dev = __dev_get_by_index(dev_net(bond_dev),
184 ifindex);
185 if (!slave_dev)
186 return -ENODEV;
d1fbd3ed 187 active_slave = slave_dev->name;
ec76aa49 188 }
d1fbd3ed
NA		 189 bond_opt_initstr(&newval, active_slave);
190 err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval);
ec76aa49
JP		 191 if (err)
192 return err;
193 }
eecdaa6e 194 if (data[IFLA_BOND_MIIMON]) {
06151dbc 195 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e 196
b98d9c66
NA		 197 bond_opt_initval(&newval, miimon);
198 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
eecdaa6e 199 if (err)
200 return err;
201 }
25852e29 202 if (data[IFLA_BOND_UPDELAY]) {
203 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
204
e4994612
NA		 205 bond_opt_initval(&newval, updelay);
206 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
25852e29 207 if (err)
208 return err;
209 }
c7461f9b 210 if (data[IFLA_BOND_DOWNDELAY]) {
211 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
212
25a9b54a
NA		 213 bond_opt_initval(&newval, downdelay);
214 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
c7461f9b 215 if (err)
216 return err;
217 }
9f53e14e 218 if (data[IFLA_BOND_USE_CARRIER]) {
219 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
220
0fff0608
NA		 221 bond_opt_initval(&newval, use_carrier);
222 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
9f53e14e 223 if (err)
224 return err;
225 }
06151dbc 226 if (data[IFLA_BOND_ARP_INTERVAL]) {
227 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
228
229 if (arp_interval && miimon) {
a5f24542 230 netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n");
06151dbc 231 return -EINVAL;
232 }
233
7bdb04ed
NA		 234 bond_opt_initval(&newval, arp_interval);
235 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
06151dbc 236 if (err)
237 return err;
238 }
7f28fa10 239 if (data[IFLA_BOND_ARP_IP_TARGET]) {
7f28fa10 240 struct nlattr *attr;
241 int i = 0, rem;
242
4fb0ef58 243 bond_option_arp_ip_targets_clear(bond);
7f28fa10 244 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
f6c6fda4
TG		 245 __be32 target;
246
247 if (nla_len(attr) < sizeof(target))
248 return -EINVAL;
249
250 target = nla_get_be32(attr);
7f28fa10 251
a19a7ec8 252 bond_opt_initval(&newval, (__force u64)target);
4fb0ef58
NA		 253 err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
254 &newval);
255 if (err)
256 break;
257 i++;
258 }
259 if (i == 0 && bond->params.arp_interval)
a5f24542 260 netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");
7f28fa10 261 if (err)
262 return err;
263 }
29c49482 264 if (data[IFLA_BOND_ARP_VALIDATE]) {
265 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
266
267 if (arp_validate && miimon) {
a5f24542 268 netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n");
29c49482 269 return -EINVAL;
270 }
271
16228881
NA		 272 bond_opt_initval(&newval, arp_validate);
273 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
29c49482 274 if (err)
275 return err;
276 }
d5c84254 277 if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
278 int arp_all_targets =
279 nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
280
edf36b24
NA		 281 bond_opt_initval(&newval, arp_all_targets);
282 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
d5c84254 283 if (err)
284 return err;
285 }
0a98a0d1 286 if (data[IFLA_BOND_PRIMARY]) {
287 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
288 struct net_device *dev;
289 char *primary = "";
290
291 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
292 if (dev)
293 primary = dev->name;
294
180222f0
NA		 295 bond_opt_initstr(&newval, primary);
296 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
0a98a0d1 297 if (err)
298 return err;
299 }
8a41ae44 300 if (data[IFLA_BOND_PRIMARY_RESELECT]) {
301 int primary_reselect =
302 nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
303
388d3a6d
NA		 304 bond_opt_initval(&newval, primary_reselect);
305 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
8a41ae44 306 if (err)
307 return err;
308 }
89901972 309 if (data[IFLA_BOND_FAIL_OVER_MAC]) {
310 int fail_over_mac =
311 nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
312
1df6b6aa
NA		 313 bond_opt_initval(&newval, fail_over_mac);
314 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
89901972 315 if (err)
316 return err;
317 }
f70161c6 318 if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
319 int xmit_hash_policy =
320 nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
321
a4b32ce7
NA		 322 bond_opt_initval(&newval, xmit_hash_policy);
323 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
f70161c6 324 if (err)
325 return err;
326 }
d8838de7 327 if (data[IFLA_BOND_RESEND_IGMP]) {
328 int resend_igmp =
329 nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
330
105c8fb6
NA		 331 bond_opt_initval(&newval, resend_igmp);
332 err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval);
d8838de7 333 if (err)
334 return err;
335 }
2c9839c1 336 if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
337 int num_peer_notif =
338 nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
339
ef56becb
NA		 340 bond_opt_initval(&newval, num_peer_notif);
341 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
2c9839c1 342 if (err)
343 return err;
344 }
1cc0b1e3 345 if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
346 int all_slaves_active =
347 nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
348
3df01162
NA		 349 bond_opt_initval(&newval, all_slaves_active);
350 err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval);
1cc0b1e3 351 if (err)
352 return err;
353 }
7d101008 354 if (data[IFLA_BOND_MIN_LINKS]) {
355 int min_links =
356 nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
357
633ddc9e
NA		 358 bond_opt_initval(&newval, min_links);
359 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
7d101008 360 if (err)
361 return err;
362 }
8d836d09 363 if (data[IFLA_BOND_LP_INTERVAL]) {
364 int lp_interval =
365 nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
366
4325b374
NA		 367 bond_opt_initval(&newval, lp_interval);
368 err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval);
8d836d09 369 if (err)
370 return err;
371 }
c13ab3ff 372 if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
373 int packets_per_slave =
374 nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
375
aa59d851
NA		 376 bond_opt_initval(&newval, packets_per_slave);
377 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
c13ab3ff 378 if (err)
379 return err;
380 }
998e40bb 381 if (data[IFLA_BOND_AD_LACP_RATE]) {
382 int lacp_rate =
383 nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
384
d3131de7
NA		 385 bond_opt_initval(&newval, lacp_rate);
386 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
998e40bb 387 if (err)
388 return err;
389 }
ec029fac 390 if (data[IFLA_BOND_AD_SELECT]) {
391 int ad_select =
392 nla_get_u8(data[IFLA_BOND_AD_SELECT]);
393
9e5f5eeb
NA		 394 bond_opt_initval(&newval, ad_select);
395 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
ec029fac 396 if (err)
397 return err;
398 }
171a42c3
AG		 399 if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
400 int actor_sys_prio =
401 nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]);
402
403 bond_opt_initval(&newval, actor_sys_prio);
404 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval);
405 if (err)
406 return err;
407 }
171a42c3
AG		 408 if (data[IFLA_BOND_AD_USER_PORT_KEY]) {
409 int port_key =
410 nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]);
411
412 bond_opt_initval(&newval, port_key);
413 err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval);
414 if (err)
415 return err;
416 }
171a42c3
AG		 417 if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) {
418 if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN)
419 return -EINVAL;
420
421 bond_opt_initval(&newval,
5eb3d22a 422 nla_get_u64(data[IFLA_BOND_AD_ACTOR_SYSTEM]));
171a42c3
AG		 423 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval);
424 if (err)
425 return err;
426 }
0f7bffd9
NA		 427 if (data[IFLA_BOND_TLB_DYNAMIC_LB]) {
428 int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]);
429
430 bond_opt_initval(&newval, dynamic_lb);
431 err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval);
432 if (err)
433 return err;
434 }
435
90af2311
JP		 436 return 0;
437}
438
439static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
7a3f4a18
MS		 440 struct nlattr *tb[], struct nlattr *data[],
441 struct netlink_ext_ack *extack)
90af2311
JP		 442{
443 int err;
444
ad744b22 445 err = bond_changelink(bond_dev, tb, data, extack);
90af2311
JP		 446 if (err < 0)
447 return err;
448
005db31d
BG		 449 err = register_netdevice(bond_dev);
450
451 netif_carrier_off(bond_dev);
ea8ffc08
MB		 452 if (!err) {
453 struct bonding *bond = netdev_priv(bond_dev);
454
455 bond_work_init_all(bond);
456 }
005db31d
BG		 457
458 return err;
90af2311
JP		 459}
460
461static size_t bond_get_size(const struct net_device *bond_dev)
462{
e139862e 463 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e 464 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
465 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29 466 nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b 467 nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e 468 nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc 469 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10 470 /* IFLA_BOND_ARP_IP_TARGET */
288db0aa 471 nla_total_size(sizeof(struct nlattr)) +
7f28fa10 472 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482 473 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254 474 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1 475 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44 476 nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972 477 nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6 478 nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7 479 nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1 480 nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3 481 nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008 482 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
8d836d09 483 nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
c13ab3ff 484 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
998e40bb 485 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
ec029fac 486 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
4ee7ac75 487 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
488 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
489 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
490 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
491 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
492 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
171a42c3
AG		 493 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */
494 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */
495 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */
0f7bffd9 496 nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */
eecdaa6e 497 0;
90af2311
JP		 498}
499
e965f804
ED		 500static int bond_option_active_slave_get_ifindex(struct bonding *bond)
501{
502 const struct net_device *slave;
503 int ifindex;
504
505 rcu_read_lock();
506 slave = bond_option_active_slave_get_rcu(bond);
507 ifindex = slave ? slave->ifindex : 0;
508 rcu_read_unlock();
509 return ifindex;
510}
511
90af2311
JP		 512static int bond_fill_info(struct sk_buff *skb,
513 const struct net_device *bond_dev)
514{
515 struct bonding *bond = netdev_priv(bond_dev);
c13ab3ff 516 unsigned int packets_per_slave;
e965f804
ED		 517 int ifindex, i, targets_added;
518 struct nlattr *targets;
059b47e8 519 struct slave *primary;
90af2311 520
01844098 521 if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond)))
90af2311 522 goto nla_put_failure;
eecdaa6e 523
e965f804
ED		 524 ifindex = bond_option_active_slave_get_ifindex(bond);
525 if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex))
eecdaa6e 526 goto nla_put_failure;
527
528 if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
529 goto nla_put_failure;
530
25852e29 531 if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
532 bond->params.updelay * bond->params.miimon))
533 goto nla_put_failure;
534
c7461f9b 535 if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
536 bond->params.downdelay * bond->params.miimon))
537 goto nla_put_failure;
538
9f53e14e 539 if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
540 goto nla_put_failure;
541
06151dbc 542 if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
543 goto nla_put_failure;
544
ae0be8de 545 targets = nla_nest_start_noflag(skb, IFLA_BOND_ARP_IP_TARGET);
7f28fa10 546 if (!targets)
547 goto nla_put_failure;
548
549 targets_added = 0;
550 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
551 if (bond->params.arp_targets[i]) {
d62844a8
HL		 552 if (nla_put_be32(skb, i, bond->params.arp_targets[i]))
553 goto nla_put_failure;
7f28fa10 554 targets_added = 1;
555 }
556 }
557
558 if (targets_added)
559 nla_nest_end(skb, targets);
560 else
561 nla_nest_cancel(skb, targets);
562
29c49482 563 if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
564 goto nla_put_failure;
565
d5c84254 566 if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
567 bond->params.arp_all_targets))
568 goto nla_put_failure;
569
059b47e8
NA		 570 primary = rtnl_dereference(bond->primary_slave);
571 if (primary &&
572 nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex))
0a98a0d1 573 goto nla_put_failure;
574
8a41ae44 575 if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
576 bond->params.primary_reselect))
577 goto nla_put_failure;
578
89901972 579 if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
580 bond->params.fail_over_mac))
581 goto nla_put_failure;
582
f70161c6 583 if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
584 bond->params.xmit_policy))
585 goto nla_put_failure;
586
d8838de7 587 if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
588 bond->params.resend_igmp))
589 goto nla_put_failure;
590
2c9839c1 591 if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
592 bond->params.num_peer_notif))
593 goto nla_put_failure;
594
1cc0b1e3 595 if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
596 bond->params.all_slaves_active))
597 goto nla_put_failure;
598
7d101008 599 if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
600 bond->params.min_links))
601 goto nla_put_failure;
602
8d836d09 603 if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
604 bond->params.lp_interval))
605 goto nla_put_failure;
606
c13ab3ff 607 packets_per_slave = bond->params.packets_per_slave;
c13ab3ff 608 if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
609 packets_per_slave))
610 goto nla_put_failure;
611
998e40bb 612 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
613 bond->params.lacp_fast))
614 goto nla_put_failure;
615
ec029fac 616 if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
617 bond->params.ad_select))
618 goto nla_put_failure;
619
0f7bffd9
NA		 620 if (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB,
621 bond->params.tlb_dynamic_lb))
622 goto nla_put_failure;
623
01844098 624 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
4ee7ac75 625 struct ad_info info;
626
4cd6b475
MB		 627 if (capable(CAP_NET_ADMIN)) {
628 if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO,
629 bond->params.ad_actor_sys_prio))
630 goto nla_put_failure;
171a42c3 631
4cd6b475
MB		 632 if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY,
633 bond->params.ad_user_port_key))
634 goto nla_put_failure;
171a42c3 635
4cd6b475 636 if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
414dd6fb 637 ETH_ALEN, &bond->params.ad_actor_system))
4cd6b475
MB		 638 goto nla_put_failure;
639 }
4ee7ac75 640 if (!bond_3ad_get_active_agg_info(bond, &info)) {
641 struct nlattr *nest;
642
ae0be8de 643 nest = nla_nest_start_noflag(skb, IFLA_BOND_AD_INFO);
4ee7ac75 644 if (!nest)
645 goto nla_put_failure;
646
647 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
648 info.aggregator_id))
649 goto nla_put_failure;
650 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
651 info.ports))
652 goto nla_put_failure;
653 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
654 info.actor_key))
655 goto nla_put_failure;
656 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
657 info.partner_key))
658 goto nla_put_failure;
659 if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
660 sizeof(info.partner_system),
661 &info.partner_system))
662 goto nla_put_failure;
663
664 nla_nest_end(skb, nest);
665 }
666 }
667
90af2311
JP		 668 return 0;
669
670nla_put_failure:
671 return -EMSGSIZE;
672}
673
a258aeac
NA		 674static size_t bond_get_linkxstats_size(const struct net_device *dev, int attr)
675{
676 switch (attr) {
677 case IFLA_STATS_LINK_XSTATS:
678 case IFLA_STATS_LINK_XSTATS_SLAVE:
679 break;
680 default:
681 return 0;
682 }
683
684 return bond_3ad_stats_size() + nla_total_size(0);
685}
686
687static int bond_fill_linkxstats(struct sk_buff *skb,
688 const struct net_device *dev,
689 int *prividx, int attr)
690{
691 struct nlattr *nla __maybe_unused;
692 struct slave *slave = NULL;
693 struct nlattr *nest, *nest2;
694 struct bonding *bond;
695
696 switch (attr) {
697 case IFLA_STATS_LINK_XSTATS:
698 bond = netdev_priv(dev);
699 break;
700 case IFLA_STATS_LINK_XSTATS_SLAVE:
701 slave = bond_slave_get_rtnl(dev);
702 if (!slave)
703 return 0;
704 bond = slave->bond;
705 break;
706 default:
707 return -EINVAL;
708 }
709
ae0be8de 710 nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BOND);
a258aeac
NA		 711 if (!nest)
712 return -EMSGSIZE;
713 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
949e7cea
NA		 714 struct bond_3ad_stats *stats;
715
716 if (slave)
717 stats = &SLAVE_AD_INFO(slave)->stats;
718 else
719 stats = &BOND_AD_INFO(bond).stats;
a258aeac 720
ae0be8de 721 nest2 = nla_nest_start_noflag(skb, BOND_XSTATS_3AD);
a258aeac
NA		 722 if (!nest2) {
723 nla_nest_end(skb, nest);
724 return -EMSGSIZE;
725 }
726
949e7cea 727 if (bond_3ad_stats_fill(skb, stats)) {
a258aeac
NA		 728 nla_nest_cancel(skb, nest2);
729 nla_nest_end(skb, nest);
730 return -EMSGSIZE;
731 }
732 nla_nest_end(skb, nest2);
733 }
734 nla_nest_end(skb, nest);
735
736 return 0;
737}
738
0a2a78c4
JP		 739struct rtnl_link_ops bond_link_ops __read_mostly = {
740 .kind = "bond",
741 .priv_size = sizeof(struct bonding),
742 .setup = bond_setup,
90af2311
JP		 743 .maxtype = IFLA_BOND_MAX,
744 .policy = bond_policy,
0a2a78c4 745 .validate = bond_validate,
90af2311
JP		 746 .newlink = bond_newlink,
747 .changelink = bond_changelink,
748 .get_size = bond_get_size,
749 .fill_info = bond_fill_info,
0a2a78c4
JP		 750 .get_num_tx_queues = bond_get_num_tx_queues,
751 .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
752 as for TX queues */
a258aeac
NA		 753 .fill_linkxstats = bond_fill_linkxstats,
754 .get_linkxstats_size = bond_get_linkxstats_size,
cea6aeb6
JP		 755 .slave_maxtype = IFLA_BOND_SLAVE_MAX,
756 .slave_policy = bond_slave_policy,
757 .slave_changelink = bond_slave_changelink,
3bad540e
JP		 758 .get_slave_size = bond_get_slave_size,
759 .fill_slave_info = bond_fill_slave_info,
0a2a78c4
JP		 760};
761
762int __init bond_netlink_init(void)
763{
764 return rtnl_link_register(&bond_link_ops);
765}
766
a729e83a 767void bond_netlink_fini(void)
0a2a78c4
JP		 768{
769 rtnl_link_unregister(&bond_link_ops);
770}
771
772MODULE_ALIAS_RTNL_LINK("bond");
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