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bonding: export slave's actor_oper_port_state via sysfs and netlink
[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 */
3bad540e
JP		 32 0;
33}
34
35static int bond_fill_slave_info(struct sk_buff *skb,
36 const struct net_device *bond_dev,
37 const struct net_device *slave_dev)
1d3ee88a 38{
39 struct slave *slave = bond_slave_get_rtnl(slave_dev);
1d3ee88a 40
df7dbcbb 41 if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave)))
1d3ee88a 42 goto nla_put_failure;
43
df7dbcbb 44 if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link))
1d3ee88a 45 goto nla_put_failure;
46
df7dbcbb 47 if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT,
1d3ee88a 48 slave->link_failure_count))
49 goto nla_put_failure;
50
df7dbcbb 51 if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR,
1d3ee88a 52 slave_dev->addr_len, slave->perm_hwaddr))
53 goto nla_put_failure;
54
df7dbcbb 55 if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id))
1d3ee88a 56 goto nla_put_failure;
57
01844098 58 if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
3bad540e 59 const struct aggregator *agg;
254cb6db 60 const struct port *ad_port;
3bad540e 61
254cb6db 62 ad_port = &SLAVE_AD_INFO(slave)->port;
3fdddd85 63 agg = SLAVE_AD_INFO(slave)->port.aggregator;
254cb6db 64 if (agg) {
df7dbcbb 65 if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID,
1d3ee88a 66 agg->aggregator_identifier))
67 goto nla_put_failure;
254cb6db
NA		 68 if (nla_put_u8(skb,
69 IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE,
70 ad_port->actor_oper_port_state))
71 goto nla_put_failure;
72 }
1d3ee88a 73 }
74
75 return 0;
76
77nla_put_failure:
78 return -EMSGSIZE;
79}
80
90af2311
JP		 81static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
82 [IFLA_BOND_MODE] = { .type = NLA_U8 },
ec76aa49 83 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
eecdaa6e 84 [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
25852e29 85 [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
c7461f9b 86 [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
9f53e14e 87 [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
06151dbc 88 [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
7f28fa10 89 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
29c49482 90 [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
d5c84254 91 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
0a98a0d1 92 [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
8a41ae44 93 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
89901972 94 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
f70161c6 95 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
d8838de7 96 [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
2c9839c1 97 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
1cc0b1e3 98 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
7d101008 99 [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
8d836d09 100 [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
c13ab3ff 101 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
998e40bb 102 [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
ec029fac 103 [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
4ee7ac75 104 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
171a42c3
AG		 105 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 },
106 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 },
107 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY,
108 .len = ETH_ALEN },
90af2311
JP		 109};
110
cea6aeb6
JP		 111static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
112 [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 },
113};
114
0a2a78c4
JP		 115static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
116{
117 if (tb[IFLA_ADDRESS]) {
118 if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
119 return -EINVAL;
120 if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
121 return -EADDRNOTAVAIL;
122 }
123 return 0;
124}
125
0f23124a
NA		 126static int bond_slave_changelink(struct net_device *bond_dev,
127 struct net_device *slave_dev,
128 struct nlattr *tb[], struct nlattr *data[])
129{
130 struct bonding *bond = netdev_priv(bond_dev);
131 struct bond_opt_value newval;
132 int err;
133
134 if (!data)
135 return 0;
136
137 if (data[IFLA_BOND_SLAVE_QUEUE_ID]) {
138 u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]);
139 char queue_id_str[IFNAMSIZ + 7];
140
141 /* queue_id option setting expects slave_name:queue_id */
142 snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n",
143 slave_dev->name, queue_id);
144 bond_opt_initstr(&newval, queue_id_str);
145 err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval);
146 if (err)
147 return err;
148 }
149
150 return 0;
151}
152
90af2311
JP		 153static int bond_changelink(struct net_device *bond_dev,
154 struct nlattr *tb[], struct nlattr *data[])
155{
156 struct bonding *bond = netdev_priv(bond_dev);
2b3798d5 157 struct bond_opt_value newval;
06151dbc 158 int miimon = 0;
90af2311
JP		 159 int err;
160
eecdaa6e 161 if (!data)
162 return 0;
163
164 if (data[IFLA_BOND_MODE]) {
90af2311
JP		 165 int mode = nla_get_u8(data[IFLA_BOND_MODE]);
166
2b3798d5
NA		 167 bond_opt_initval(&newval, mode);
168 err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
90af2311
JP		 169 if (err)
170 return err;
171 }
eecdaa6e 172 if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49
JP		 173 int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
174 struct net_device *slave_dev;
d1fbd3ed 175 char *active_slave = "";
ec76aa49 176
d1fbd3ed 177 if (ifindex != 0) {
ec76aa49
JP		 178 slave_dev = __dev_get_by_index(dev_net(bond_dev),
179 ifindex);
180 if (!slave_dev)
181 return -ENODEV;
d1fbd3ed 182 active_slave = slave_dev->name;
ec76aa49 183 }
d1fbd3ed
NA		 184 bond_opt_initstr(&newval, active_slave);
185 err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval);
ec76aa49
JP		 186 if (err)
187 return err;
188 }
eecdaa6e 189 if (data[IFLA_BOND_MIIMON]) {
06151dbc 190 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e 191
b98d9c66
NA		 192 bond_opt_initval(&newval, miimon);
193 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
eecdaa6e 194 if (err)
195 return err;
196 }
25852e29 197 if (data[IFLA_BOND_UPDELAY]) {
198 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
199
e4994612
NA		 200 bond_opt_initval(&newval, updelay);
201 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
25852e29 202 if (err)
203 return err;
204 }
c7461f9b 205 if (data[IFLA_BOND_DOWNDELAY]) {
206 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
207
25a9b54a
NA		 208 bond_opt_initval(&newval, downdelay);
209 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
c7461f9b 210 if (err)
211 return err;
212 }
9f53e14e 213 if (data[IFLA_BOND_USE_CARRIER]) {
214 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
215
0fff0608
NA		 216 bond_opt_initval(&newval, use_carrier);
217 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
9f53e14e 218 if (err)
219 return err;
220 }
06151dbc 221 if (data[IFLA_BOND_ARP_INTERVAL]) {
222 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
223
224 if (arp_interval && miimon) {
a5f24542 225 netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n");
06151dbc 226 return -EINVAL;
227 }
228
7bdb04ed
NA		 229 bond_opt_initval(&newval, arp_interval);
230 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
06151dbc 231 if (err)
232 return err;
233 }
7f28fa10 234 if (data[IFLA_BOND_ARP_IP_TARGET]) {
7f28fa10 235 struct nlattr *attr;
236 int i = 0, rem;
237
4fb0ef58 238 bond_option_arp_ip_targets_clear(bond);
7f28fa10 239 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
f6c6fda4
TG		 240 __be32 target;
241
242 if (nla_len(attr) < sizeof(target))
243 return -EINVAL;
244
245 target = nla_get_be32(attr);
7f28fa10 246
a19a7ec8 247 bond_opt_initval(&newval, (__force u64)target);
4fb0ef58
NA		 248 err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
249 &newval);
250 if (err)
251 break;
252 i++;
253 }
254 if (i == 0 && bond->params.arp_interval)
a5f24542 255 netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");
7f28fa10 256 if (err)
257 return err;
258 }
29c49482 259 if (data[IFLA_BOND_ARP_VALIDATE]) {
260 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
261
262 if (arp_validate && miimon) {
a5f24542 263 netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n");
29c49482 264 return -EINVAL;
265 }
266
16228881
NA		 267 bond_opt_initval(&newval, arp_validate);
268 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
29c49482 269 if (err)
270 return err;
271 }
d5c84254 272 if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
273 int arp_all_targets =
274 nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
275
edf36b24
NA		 276 bond_opt_initval(&newval, arp_all_targets);
277 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
d5c84254 278 if (err)
279 return err;
280 }
0a98a0d1 281 if (data[IFLA_BOND_PRIMARY]) {
282 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
283 struct net_device *dev;
284 char *primary = "";
285
286 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
287 if (dev)
288 primary = dev->name;
289
180222f0
NA		 290 bond_opt_initstr(&newval, primary);
291 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
0a98a0d1 292 if (err)
293 return err;
294 }
8a41ae44 295 if (data[IFLA_BOND_PRIMARY_RESELECT]) {
296 int primary_reselect =
297 nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
298
388d3a6d
NA		 299 bond_opt_initval(&newval, primary_reselect);
300 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
8a41ae44 301 if (err)
302 return err;
303 }
89901972 304 if (data[IFLA_BOND_FAIL_OVER_MAC]) {
305 int fail_over_mac =
306 nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
307
1df6b6aa
NA		 308 bond_opt_initval(&newval, fail_over_mac);
309 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
89901972 310 if (err)
311 return err;
312 }
f70161c6 313 if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
314 int xmit_hash_policy =
315 nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
316
a4b32ce7
NA		 317 bond_opt_initval(&newval, xmit_hash_policy);
318 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
f70161c6 319 if (err)
320 return err;
321 }
d8838de7 322 if (data[IFLA_BOND_RESEND_IGMP]) {
323 int resend_igmp =
324 nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
325
105c8fb6
NA		 326 bond_opt_initval(&newval, resend_igmp);
327 err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval);
d8838de7 328 if (err)
329 return err;
330 }
2c9839c1 331 if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
332 int num_peer_notif =
333 nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
334
ef56becb
NA		 335 bond_opt_initval(&newval, num_peer_notif);
336 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
2c9839c1 337 if (err)
338 return err;
339 }
1cc0b1e3 340 if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
341 int all_slaves_active =
342 nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
343
3df01162
NA		 344 bond_opt_initval(&newval, all_slaves_active);
345 err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval);
1cc0b1e3 346 if (err)
347 return err;
348 }
7d101008 349 if (data[IFLA_BOND_MIN_LINKS]) {
350 int min_links =
351 nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
352
633ddc9e
NA		 353 bond_opt_initval(&newval, min_links);
354 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
7d101008 355 if (err)
356 return err;
357 }
8d836d09 358 if (data[IFLA_BOND_LP_INTERVAL]) {
359 int lp_interval =
360 nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
361
4325b374
NA		 362 bond_opt_initval(&newval, lp_interval);
363 err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval);
8d836d09 364 if (err)
365 return err;
366 }
c13ab3ff 367 if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
368 int packets_per_slave =
369 nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
370
aa59d851
NA		 371 bond_opt_initval(&newval, packets_per_slave);
372 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
c13ab3ff 373 if (err)
374 return err;
375 }
998e40bb 376 if (data[IFLA_BOND_AD_LACP_RATE]) {
377 int lacp_rate =
378 nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
379
d3131de7
NA		 380 bond_opt_initval(&newval, lacp_rate);
381 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
998e40bb 382 if (err)
383 return err;
384 }
ec029fac 385 if (data[IFLA_BOND_AD_SELECT]) {
386 int ad_select =
387 nla_get_u8(data[IFLA_BOND_AD_SELECT]);
388
9e5f5eeb
NA		 389 bond_opt_initval(&newval, ad_select);
390 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
ec029fac 391 if (err)
392 return err;
393 }
171a42c3
AG		 394 if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
395 int actor_sys_prio =
396 nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]);
397
398 bond_opt_initval(&newval, actor_sys_prio);
399 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval);
400 if (err)
401 return err;
402 }
403
404 if (data[IFLA_BOND_AD_USER_PORT_KEY]) {
405 int port_key =
406 nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]);
407
408 bond_opt_initval(&newval, port_key);
409 err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval);
410 if (err)
411 return err;
412 }
413
414 if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) {
415 if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN)
416 return -EINVAL;
417
418 bond_opt_initval(&newval,
419 nla_get_be64(data[IFLA_BOND_AD_ACTOR_SYSTEM]));
420 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval);
421 if (err)
422 return err;
423 }
90af2311
JP		 424 return 0;
425}
426
427static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
428 struct nlattr *tb[], struct nlattr *data[])
429{
430 int err;
431
432 err = bond_changelink(bond_dev, tb, data);
433 if (err < 0)
434 return err;
435
436 return register_netdevice(bond_dev);
437}
438
439static size_t bond_get_size(const struct net_device *bond_dev)
440{
e139862e 441 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e 442 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
443 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29 444 nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b 445 nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e 446 nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc 447 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10 448 /* IFLA_BOND_ARP_IP_TARGET */
288db0aa 449 nla_total_size(sizeof(struct nlattr)) +
7f28fa10 450 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482 451 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254 452 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1 453 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44 454 nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972 455 nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6 456 nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7 457 nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1 458 nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3 459 nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008 460 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
8d836d09 461 nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
c13ab3ff 462 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
998e40bb 463 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
ec029fac 464 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
4ee7ac75 465 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
466 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
467 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
468 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
469 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
470 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
171a42c3
AG		 471 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */
472 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */
473 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */
eecdaa6e 474 0;
90af2311
JP		 475}
476
e965f804
ED		 477static int bond_option_active_slave_get_ifindex(struct bonding *bond)
478{
479 const struct net_device *slave;
480 int ifindex;
481
482 rcu_read_lock();
483 slave = bond_option_active_slave_get_rcu(bond);
484 ifindex = slave ? slave->ifindex : 0;
485 rcu_read_unlock();
486 return ifindex;
487}
488
90af2311
JP		 489static int bond_fill_info(struct sk_buff *skb,
490 const struct net_device *bond_dev)
491{
492 struct bonding *bond = netdev_priv(bond_dev);
c13ab3ff 493 unsigned int packets_per_slave;
e965f804
ED		 494 int ifindex, i, targets_added;
495 struct nlattr *targets;
059b47e8 496 struct slave *primary;
90af2311 497
01844098 498 if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond)))
90af2311 499 goto nla_put_failure;
eecdaa6e 500
e965f804
ED		 501 ifindex = bond_option_active_slave_get_ifindex(bond);
502 if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex))
eecdaa6e 503 goto nla_put_failure;
504
505 if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
506 goto nla_put_failure;
507
25852e29 508 if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
509 bond->params.updelay * bond->params.miimon))
510 goto nla_put_failure;
511
c7461f9b 512 if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
513 bond->params.downdelay * bond->params.miimon))
514 goto nla_put_failure;
515
9f53e14e 516 if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
517 goto nla_put_failure;
518
06151dbc 519 if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
520 goto nla_put_failure;
521
7f28fa10 522 targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
523 if (!targets)
524 goto nla_put_failure;
525
526 targets_added = 0;
527 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
528 if (bond->params.arp_targets[i]) {
e7ef941d 529 nla_put_be32(skb, i, bond->params.arp_targets[i]);
7f28fa10 530 targets_added = 1;
531 }
532 }
533
534 if (targets_added)
535 nla_nest_end(skb, targets);
536 else
537 nla_nest_cancel(skb, targets);
538
29c49482 539 if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
540 goto nla_put_failure;
541
d5c84254 542 if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
543 bond->params.arp_all_targets))
544 goto nla_put_failure;
545
059b47e8
NA		 546 primary = rtnl_dereference(bond->primary_slave);
547 if (primary &&
548 nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex))
0a98a0d1 549 goto nla_put_failure;
550
8a41ae44 551 if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
552 bond->params.primary_reselect))
553 goto nla_put_failure;
554
89901972 555 if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
556 bond->params.fail_over_mac))
557 goto nla_put_failure;
558
f70161c6 559 if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
560 bond->params.xmit_policy))
561 goto nla_put_failure;
562
d8838de7 563 if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
564 bond->params.resend_igmp))
565 goto nla_put_failure;
566
2c9839c1 567 if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
568 bond->params.num_peer_notif))
569 goto nla_put_failure;
570
1cc0b1e3 571 if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
572 bond->params.all_slaves_active))
573 goto nla_put_failure;
574
7d101008 575 if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
576 bond->params.min_links))
577 goto nla_put_failure;
578
8d836d09 579 if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
580 bond->params.lp_interval))
581 goto nla_put_failure;
582
c13ab3ff 583 packets_per_slave = bond->params.packets_per_slave;
c13ab3ff 584 if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
585 packets_per_slave))
586 goto nla_put_failure;
587
998e40bb 588 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
589 bond->params.lacp_fast))
590 goto nla_put_failure;
591
ec029fac 592 if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
593 bond->params.ad_select))
594 goto nla_put_failure;
595
01844098 596 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
4ee7ac75 597 struct ad_info info;
598
171a42c3
AG		 599 if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO,
600 bond->params.ad_actor_sys_prio))
601 goto nla_put_failure;
602
603 if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY,
604 bond->params.ad_user_port_key))
605 goto nla_put_failure;
606
607 if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
608 sizeof(bond->params.ad_actor_system),
609 &bond->params.ad_actor_system))
610 goto nla_put_failure;
611
4ee7ac75 612 if (!bond_3ad_get_active_agg_info(bond, &info)) {
613 struct nlattr *nest;
614
615 nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
616 if (!nest)
617 goto nla_put_failure;
618
619 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
620 info.aggregator_id))
621 goto nla_put_failure;
622 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
623 info.ports))
624 goto nla_put_failure;
625 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
626 info.actor_key))
627 goto nla_put_failure;
628 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
629 info.partner_key))
630 goto nla_put_failure;
631 if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
632 sizeof(info.partner_system),
633 &info.partner_system))
634 goto nla_put_failure;
635
636 nla_nest_end(skb, nest);
637 }
638 }
639
90af2311
JP		 640 return 0;
641
642nla_put_failure:
643 return -EMSGSIZE;
644}
645
0a2a78c4
JP		 646struct rtnl_link_ops bond_link_ops __read_mostly = {
647 .kind = "bond",
648 .priv_size = sizeof(struct bonding),
649 .setup = bond_setup,
90af2311
JP		 650 .maxtype = IFLA_BOND_MAX,
651 .policy = bond_policy,
0a2a78c4 652 .validate = bond_validate,
90af2311
JP		 653 .newlink = bond_newlink,
654 .changelink = bond_changelink,
655 .get_size = bond_get_size,
656 .fill_info = bond_fill_info,
0a2a78c4
JP		 657 .get_num_tx_queues = bond_get_num_tx_queues,
658 .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
659 as for TX queues */
cea6aeb6
JP		 660 .slave_maxtype = IFLA_BOND_SLAVE_MAX,
661 .slave_policy = bond_slave_policy,
662 .slave_changelink = bond_slave_changelink,
3bad540e
JP		 663 .get_slave_size = bond_get_slave_size,
664 .fill_slave_info = bond_fill_slave_info,
0a2a78c4
JP		 665};
666
667int __init bond_netlink_init(void)
668{
669 return rtnl_link_register(&bond_link_ops);
670}
671
a729e83a 672void bond_netlink_fini(void)
0a2a78c4
JP		 673{
674 rtnl_link_unregister(&bond_link_ops);
675}
676
677MODULE_ALIAS_RTNL_LINK("bond");
Linux kernel - Deliverables
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