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Merge remote-tracking branches 'spi/topic/mtk', 'spi/topic/pxa2xx', 'spi/topic/qspi...
[deliverable/linux.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 },
90af2311
JP		 114};
115
cea6aeb6
JP		 116static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
117 [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 },
118};
119
0a2a78c4
JP		 120static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
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
0f23124a
NA		 131static int bond_slave_changelink(struct net_device *bond_dev,
132 struct net_device *slave_dev,
133 struct nlattr *tb[], struct nlattr *data[])
134{
135 struct bonding *bond = netdev_priv(bond_dev);
136 struct bond_opt_value newval;
137 int err;
138
139 if (!data)
140 return 0;
141
142 if (data[IFLA_BOND_SLAVE_QUEUE_ID]) {
143 u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]);
144 char queue_id_str[IFNAMSIZ + 7];
145
146 /* queue_id option setting expects slave_name:queue_id */
147 snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n",
148 slave_dev->name, queue_id);
149 bond_opt_initstr(&newval, queue_id_str);
150 err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval);
151 if (err)
152 return err;
153 }
154
155 return 0;
156}
157
90af2311
JP		 158static int bond_changelink(struct net_device *bond_dev,
159 struct nlattr *tb[], struct nlattr *data[])
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 }
408
409 if (data[IFLA_BOND_AD_USER_PORT_KEY]) {
410 int port_key =
411 nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]);
412
413 bond_opt_initval(&newval, port_key);
414 err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval);
415 if (err)
416 return err;
417 }
418
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 }
90af2311
JP		 429 return 0;
430}
431
432static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
433 struct nlattr *tb[], struct nlattr *data[])
434{
435 int err;
436
437 err = bond_changelink(bond_dev, tb, data);
438 if (err < 0)
439 return err;
440
441 return register_netdevice(bond_dev);
442}
443
444static size_t bond_get_size(const struct net_device *bond_dev)
445{
e139862e 446 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e 447 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
448 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29 449 nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b 450 nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e 451 nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc 452 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10 453 /* IFLA_BOND_ARP_IP_TARGET */
288db0aa 454 nla_total_size(sizeof(struct nlattr)) +
7f28fa10 455 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482 456 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254 457 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1 458 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44 459 nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972 460 nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6 461 nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7 462 nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1 463 nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3 464 nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008 465 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
8d836d09 466 nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
c13ab3ff 467 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
998e40bb 468 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
ec029fac 469 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
4ee7ac75 470 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
471 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
472 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
473 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
474 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
475 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
171a42c3
AG		 476 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */
477 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */
478 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */
eecdaa6e 479 0;
90af2311
JP		 480}
481
e965f804
ED		 482static int bond_option_active_slave_get_ifindex(struct bonding *bond)
483{
484 const struct net_device *slave;
485 int ifindex;
486
487 rcu_read_lock();
488 slave = bond_option_active_slave_get_rcu(bond);
489 ifindex = slave ? slave->ifindex : 0;
490 rcu_read_unlock();
491 return ifindex;
492}
493
90af2311
JP		 494static int bond_fill_info(struct sk_buff *skb,
495 const struct net_device *bond_dev)
496{
497 struct bonding *bond = netdev_priv(bond_dev);
c13ab3ff 498 unsigned int packets_per_slave;
e965f804
ED		 499 int ifindex, i, targets_added;
500 struct nlattr *targets;
059b47e8 501 struct slave *primary;
90af2311 502
01844098 503 if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond)))
90af2311 504 goto nla_put_failure;
eecdaa6e 505
e965f804
ED		 506 ifindex = bond_option_active_slave_get_ifindex(bond);
507 if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex))
eecdaa6e 508 goto nla_put_failure;
509
510 if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
511 goto nla_put_failure;
512
25852e29 513 if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
514 bond->params.updelay * bond->params.miimon))
515 goto nla_put_failure;
516
c7461f9b 517 if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
518 bond->params.downdelay * bond->params.miimon))
519 goto nla_put_failure;
520
9f53e14e 521 if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
522 goto nla_put_failure;
523
06151dbc 524 if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
525 goto nla_put_failure;
526
7f28fa10 527 targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
528 if (!targets)
529 goto nla_put_failure;
530
531 targets_added = 0;
532 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
533 if (bond->params.arp_targets[i]) {
e7ef941d 534 nla_put_be32(skb, i, bond->params.arp_targets[i]);
7f28fa10 535 targets_added = 1;
536 }
537 }
538
539 if (targets_added)
540 nla_nest_end(skb, targets);
541 else
542 nla_nest_cancel(skb, targets);
543
29c49482 544 if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
545 goto nla_put_failure;
546
d5c84254 547 if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
548 bond->params.arp_all_targets))
549 goto nla_put_failure;
550
059b47e8
NA		 551 primary = rtnl_dereference(bond->primary_slave);
552 if (primary &&
553 nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex))
0a98a0d1 554 goto nla_put_failure;
555
8a41ae44 556 if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
557 bond->params.primary_reselect))
558 goto nla_put_failure;
559
89901972 560 if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
561 bond->params.fail_over_mac))
562 goto nla_put_failure;
563
f70161c6 564 if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
565 bond->params.xmit_policy))
566 goto nla_put_failure;
567
d8838de7 568 if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
569 bond->params.resend_igmp))
570 goto nla_put_failure;
571
2c9839c1 572 if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
573 bond->params.num_peer_notif))
574 goto nla_put_failure;
575
1cc0b1e3 576 if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
577 bond->params.all_slaves_active))
578 goto nla_put_failure;
579
7d101008 580 if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
581 bond->params.min_links))
582 goto nla_put_failure;
583
8d836d09 584 if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
585 bond->params.lp_interval))
586 goto nla_put_failure;
587
c13ab3ff 588 packets_per_slave = bond->params.packets_per_slave;
c13ab3ff 589 if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
590 packets_per_slave))
591 goto nla_put_failure;
592
998e40bb 593 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
594 bond->params.lacp_fast))
595 goto nla_put_failure;
596
ec029fac 597 if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
598 bond->params.ad_select))
599 goto nla_put_failure;
600
01844098 601 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
4ee7ac75 602 struct ad_info info;
603
4cd6b475
MB		 604 if (capable(CAP_NET_ADMIN)) {
605 if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO,
606 bond->params.ad_actor_sys_prio))
607 goto nla_put_failure;
171a42c3 608
4cd6b475
MB		 609 if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY,
610 bond->params.ad_user_port_key))
611 goto nla_put_failure;
171a42c3 612
4cd6b475
MB		 613 if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
614 sizeof(bond->params.ad_actor_system),
615 &bond->params.ad_actor_system))
616 goto nla_put_failure;
617 }
4ee7ac75 618 if (!bond_3ad_get_active_agg_info(bond, &info)) {
619 struct nlattr *nest;
620
621 nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
622 if (!nest)
623 goto nla_put_failure;
624
625 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
626 info.aggregator_id))
627 goto nla_put_failure;
628 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
629 info.ports))
630 goto nla_put_failure;
631 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
632 info.actor_key))
633 goto nla_put_failure;
634 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
635 info.partner_key))
636 goto nla_put_failure;
637 if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
638 sizeof(info.partner_system),
639 &info.partner_system))
640 goto nla_put_failure;
641
642 nla_nest_end(skb, nest);
643 }
644 }
645
90af2311
JP		 646 return 0;
647
648nla_put_failure:
649 return -EMSGSIZE;
650}
651
0a2a78c4
JP		 652struct rtnl_link_ops bond_link_ops __read_mostly = {
653 .kind = "bond",
654 .priv_size = sizeof(struct bonding),
655 .setup = bond_setup,
90af2311
JP		 656 .maxtype = IFLA_BOND_MAX,
657 .policy = bond_policy,
0a2a78c4 658 .validate = bond_validate,
90af2311
JP		 659 .newlink = bond_newlink,
660 .changelink = bond_changelink,
661 .get_size = bond_get_size,
662 .fill_info = bond_fill_info,
0a2a78c4
JP		 663 .get_num_tx_queues = bond_get_num_tx_queues,
664 .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
665 as for TX queues */
cea6aeb6
JP		 666 .slave_maxtype = IFLA_BOND_SLAVE_MAX,
667 .slave_policy = bond_slave_policy,
668 .slave_changelink = bond_slave_changelink,
3bad540e
JP		 669 .get_slave_size = bond_get_slave_size,
670 .fill_slave_info = bond_fill_slave_info,
0a2a78c4
JP		 671};
672
673int __init bond_netlink_init(void)
674{
675 return rtnl_link_register(&bond_link_ops);
676}
677
a729e83a 678void bond_netlink_fini(void)
0a2a78c4
JP		 679{
680 rtnl_link_unregister(&bond_link_ops);
681}
682
683MODULE_ALIAS_RTNL_LINK("bond");
Linux kernel - Deliverables
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