drivers/net/bonding/bond_netlink.c

   1 /*
   2  * drivers/net/bond/bond_netlink.c - Netlink interface for bonding
   3  * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
   4  * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com>
   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
  12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  13
  14 #include <linux/module.h>
  15 #include <linux/errno.h>
  16 #include <linux/netdevice.h>
  17 #include <linux/etherdevice.h>
  18 #include <linux/if_link.h>
  19 #include <linux/if_ether.h>
  20 #include <net/netlink.h>
  21 #include <net/rtnetlink.h>
  22 #include "bonding.h"
  23
  24 int bond_get_slave(struct net_device *slave_dev, struct sk_buff *skb)
  25 {
  26         struct slave *slave = bond_slave_get_rtnl(slave_dev);
  27         const struct aggregator *agg;
  28
  29         if (nla_put_u8(skb, IFLA_SLAVE_STATE, bond_slave_state(slave)))
  30                 goto nla_put_failure;
  31
  32         if (nla_put_u8(skb, IFLA_SLAVE_MII_STATUS, slave->link))
  33                 goto nla_put_failure;
  34
  35         if (nla_put_u32(skb, IFLA_SLAVE_LINK_FAILURE_COUNT,
  36                         slave->link_failure_count))
  37                 goto nla_put_failure;
  38
  39         if (nla_put(skb, IFLA_SLAVE_PERM_HWADDR,
  40                     slave_dev->addr_len, slave->perm_hwaddr))
  41                 goto nla_put_failure;
  42
  43         if (nla_put_u16(skb, IFLA_SLAVE_QUEUE_ID, slave->queue_id))
  44                 goto nla_put_failure;
  45
  46         if (slave->bond->params.mode == BOND_MODE_8023AD) {
  47                 agg = SLAVE_AD_INFO(slave).port.aggregator;
  48                 if (agg)
  49                         if (nla_put_u16(skb, IFLA_SLAVE_AD_AGGREGATOR_ID,
  50                                         agg->aggregator_identifier))
  51                                 goto nla_put_failure;
  52         }
  53
  54         return 0;
  55
  56 nla_put_failure:
  57         return -EMSGSIZE;
  58 }
  59
  60 static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
  61         [IFLA_BOND_MODE]                = { .type = NLA_U8 },
  62         [IFLA_BOND_ACTIVE_SLAVE]        = { .type = NLA_U32 },
  63         [IFLA_BOND_MIIMON]              = { .type = NLA_U32 },
  64         [IFLA_BOND_UPDELAY]             = { .type = NLA_U32 },
  65         [IFLA_BOND_DOWNDELAY]           = { .type = NLA_U32 },
  66         [IFLA_BOND_USE_CARRIER]         = { .type = NLA_U8 },
  67         [IFLA_BOND_ARP_INTERVAL]        = { .type = NLA_U32 },
  68         [IFLA_BOND_ARP_IP_TARGET]       = { .type = NLA_NESTED },
  69         [IFLA_BOND_ARP_VALIDATE]        = { .type = NLA_U32 },
  70         [IFLA_BOND_ARP_ALL_TARGETS]     = { .type = NLA_U32 },
  71         [IFLA_BOND_PRIMARY]             = { .type = NLA_U32 },
  72         [IFLA_BOND_PRIMARY_RESELECT]    = { .type = NLA_U8 },
  73         [IFLA_BOND_FAIL_OVER_MAC]       = { .type = NLA_U8 },
  74         [IFLA_BOND_XMIT_HASH_POLICY]    = { .type = NLA_U8 },
  75         [IFLA_BOND_RESEND_IGMP]         = { .type = NLA_U32 },
  76         [IFLA_BOND_NUM_PEER_NOTIF]      = { .type = NLA_U8 },
  77         [IFLA_BOND_ALL_SLAVES_ACTIVE]   = { .type = NLA_U8 },
  78         [IFLA_BOND_MIN_LINKS]           = { .type = NLA_U32 },
  79         [IFLA_BOND_LP_INTERVAL]         = { .type = NLA_U32 },
  80         [IFLA_BOND_PACKETS_PER_SLAVE]   = { .type = NLA_U32 },
  81         [IFLA_BOND_AD_LACP_RATE]        = { .type = NLA_U8 },
  82         [IFLA_BOND_AD_SELECT]           = { .type = NLA_U8 },
  83         [IFLA_BOND_AD_INFO]             = { .type = NLA_NESTED },
  84 };
  85
  86 static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
  87 {
  88         if (tb[IFLA_ADDRESS]) {
  89                 if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
  90                         return -EINVAL;
  91                 if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
  92                         return -EADDRNOTAVAIL;
  93         }
  94         return 0;
  95 }
  96
  97 static int bond_changelink(struct net_device *bond_dev,
  98                            struct nlattr *tb[], struct nlattr *data[])
  99 {
 100         struct bonding *bond = netdev_priv(bond_dev);
 101         struct bond_opt_value newval;
 102         int miimon = 0;
 103         int err;
 104
 105         if (!data)
 106                 return 0;
 107
 108         if (data[IFLA_BOND_MODE]) {
 109                 int mode = nla_get_u8(data[IFLA_BOND_MODE]);
 110
 111                 bond_opt_initval(&newval, mode);
 112                 err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
 113                 if (err)
 114                         return err;
 115         }
 116         if (data[IFLA_BOND_ACTIVE_SLAVE]) {
 117                 int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
 118                 struct net_device *slave_dev;
 119                 char *active_slave = "";
 120
 121                 if (ifindex != 0) {
 122                         slave_dev = __dev_get_by_index(dev_net(bond_dev),
 123                                                        ifindex);
 124                         if (!slave_dev)
 125                                 return -ENODEV;
 126                         active_slave = slave_dev->name;
 127                 }
 128                 bond_opt_initstr(&newval, active_slave);
 129                 err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval);
 130                 if (err)
 131                         return err;
 132         }
 133         if (data[IFLA_BOND_MIIMON]) {
 134                 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
 135
 136                 bond_opt_initval(&newval, miimon);
 137                 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
 138                 if (err)
 139                         return err;
 140         }
 141         if (data[IFLA_BOND_UPDELAY]) {
 142                 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
 143
 144                 bond_opt_initval(&newval, updelay);
 145                 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
 146                 if (err)
 147                         return err;
 148         }
 149         if (data[IFLA_BOND_DOWNDELAY]) {
 150                 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
 151
 152                 bond_opt_initval(&newval, downdelay);
 153                 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
 154                 if (err)
 155                         return err;
 156         }
 157         if (data[IFLA_BOND_USE_CARRIER]) {
 158                 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
 159
 160                 bond_opt_initval(&newval, use_carrier);
 161                 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
 162                 if (err)
 163                         return err;
 164         }
 165         if (data[IFLA_BOND_ARP_INTERVAL]) {
 166                 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
 167
 168                 if (arp_interval && miimon) {
 169                         pr_err("%s: ARP monitoring cannot be used with MII monitoring.\n",
 170                                bond->dev->name);
 171                         return -EINVAL;
 172                 }
 173
 174                 bond_opt_initval(&newval, arp_interval);
 175                 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
 176                 if (err)
 177                         return err;
 178         }
 179         if (data[IFLA_BOND_ARP_IP_TARGET]) {
 180                 struct nlattr *attr;
 181                 int i = 0, rem;
 182
 183                 bond_option_arp_ip_targets_clear(bond);
 184                 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
 185                         __be32 target = nla_get_be32(attr);
 186
 187                         bond_opt_initval(&newval, target);
 188                         err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
 189                                              &newval);
 190                         if (err)
 191                                 break;
 192                         i++;
 193                 }
 194                 if (i == 0 && bond->params.arp_interval)
 195                         pr_warn("%s: removing last arp target with arp_interval on\n",
 196                                 bond->dev->name);
 197                 if (err)
 198                         return err;
 199         }
 200         if (data[IFLA_BOND_ARP_VALIDATE]) {
 201                 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
 202
 203                 if (arp_validate && miimon) {
 204                         pr_err("%s: ARP validating cannot be used with MII monitoring.\n",
 205                                bond->dev->name);
 206                         return -EINVAL;
 207                 }
 208
 209                 bond_opt_initval(&newval, arp_validate);
 210                 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
 211                 if (err)
 212                         return err;
 213         }
 214         if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
 215                 int arp_all_targets =
 216                         nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
 217
 218                 bond_opt_initval(&newval, arp_all_targets);
 219                 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
 220                 if (err)
 221                         return err;
 222         }
 223         if (data[IFLA_BOND_PRIMARY]) {
 224                 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
 225                 struct net_device *dev;
 226                 char *primary = "";
 227
 228                 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
 229                 if (dev)
 230                         primary = dev->name;
 231
 232                 bond_opt_initstr(&newval, primary);
 233                 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
 234                 if (err)
 235                         return err;
 236         }
 237         if (data[IFLA_BOND_PRIMARY_RESELECT]) {
 238                 int primary_reselect =
 239                         nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
 240
 241                 bond_opt_initval(&newval, primary_reselect);
 242                 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
 243                 if (err)
 244                         return err;
 245         }
 246         if (data[IFLA_BOND_FAIL_OVER_MAC]) {
 247                 int fail_over_mac =
 248                         nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
 249
 250                 bond_opt_initval(&newval, fail_over_mac);
 251                 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
 252                 if (err)
 253                         return err;
 254         }
 255         if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
 256                 int xmit_hash_policy =
 257                         nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
 258
 259                 bond_opt_initval(&newval, xmit_hash_policy);
 260                 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
 261                 if (err)
 262                         return err;
 263         }
 264         if (data[IFLA_BOND_RESEND_IGMP]) {
 265                 int resend_igmp =
 266                         nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
 267
 268                 err = bond_option_resend_igmp_set(bond, resend_igmp);
 269                 if (err)
 270                         return err;
 271         }
 272         if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
 273                 int num_peer_notif =
 274                         nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
 275
 276                 bond_opt_initval(&newval, num_peer_notif);
 277                 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
 278                 if (err)
 279                         return err;
 280         }
 281         if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
 282                 int all_slaves_active =
 283                         nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
 284
 285                 err = bond_option_all_slaves_active_set(bond,
 286                                                         all_slaves_active);
 287                 if (err)
 288                         return err;
 289         }
 290         if (data[IFLA_BOND_MIN_LINKS]) {
 291                 int min_links =
 292                         nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
 293
 294                 bond_opt_initval(&newval, min_links);
 295                 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
 296                 if (err)
 297                         return err;
 298         }
 299         if (data[IFLA_BOND_LP_INTERVAL]) {
 300                 int lp_interval =
 301                         nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
 302
 303                 err = bond_option_lp_interval_set(bond, lp_interval);
 304                 if (err)
 305                         return err;
 306         }
 307         if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
 308                 int packets_per_slave =
 309                         nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
 310
 311                 bond_opt_initval(&newval, packets_per_slave);
 312                 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
 313                 if (err)
 314                         return err;
 315         }
 316         if (data[IFLA_BOND_AD_LACP_RATE]) {
 317                 int lacp_rate =
 318                         nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
 319
 320                 bond_opt_initval(&newval, lacp_rate);
 321                 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
 322                 if (err)
 323                         return err;
 324         }
 325         if (data[IFLA_BOND_AD_SELECT]) {
 326                 int ad_select =
 327                         nla_get_u8(data[IFLA_BOND_AD_SELECT]);
 328
 329                 bond_opt_initval(&newval, ad_select);
 330                 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
 331                 if (err)
 332                         return err;
 333         }
 334         return 0;
 335 }
 336
 337 static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
 338                         struct nlattr *tb[], struct nlattr *data[])
 339 {
 340         int err;
 341
 342         err = bond_changelink(bond_dev, tb, data);
 343         if (err < 0)
 344                 return err;
 345
 346         return register_netdevice(bond_dev);
 347 }
 348
 349 static size_t bond_get_size(const struct net_device *bond_dev)
 350 {
 351         return nla_total_size(sizeof(u8)) +     /* IFLA_BOND_MODE */
 352                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ACTIVE_SLAVE */
 353                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_MIIMON */
 354                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_UPDELAY */
 355                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_DOWNDELAY */
 356                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_USE_CARRIER */
 357                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ARP_INTERVAL */
 358                                                 /* IFLA_BOND_ARP_IP_TARGET */
 359                 nla_total_size(sizeof(struct nlattr)) +
 360                 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
 361                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ARP_VALIDATE */
 362                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ARP_ALL_TARGETS */
 363                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_PRIMARY */
 364                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_PRIMARY_RESELECT */
 365                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_FAIL_OVER_MAC */
 366                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_XMIT_HASH_POLICY */
 367                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_RESEND_IGMP */
 368                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_NUM_PEER_NOTIF */
 369                 nla_total_size(sizeof(u8)) +   /* IFLA_BOND_ALL_SLAVES_ACTIVE */
 370                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_MIN_LINKS */
 371                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_LP_INTERVAL */
 372                 nla_total_size(sizeof(u32)) +  /* IFLA_BOND_PACKETS_PER_SLAVE */
 373                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_AD_LACP_RATE */
 374                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_AD_SELECT */
 375                 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
 376                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
 377                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
 378                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
 379                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
 380                 nla_total_size(ETH_ALEN) +    /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
 381                 0;
 382 }
 383
 384 static int bond_fill_info(struct sk_buff *skb,
 385                           const struct net_device *bond_dev)
 386 {
 387         struct bonding *bond = netdev_priv(bond_dev);
 388         struct net_device *slave_dev = bond_option_active_slave_get(bond);
 389         struct nlattr *targets;
 390         unsigned int packets_per_slave;
 391         int i, targets_added;
 392
 393         if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
 394                 goto nla_put_failure;
 395
 396         if (slave_dev &&
 397             nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))
 398                 goto nla_put_failure;
 399
 400         if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
 401                 goto nla_put_failure;
 402
 403         if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
 404                         bond->params.updelay * bond->params.miimon))
 405                 goto nla_put_failure;
 406
 407         if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
 408                         bond->params.downdelay * bond->params.miimon))
 409                 goto nla_put_failure;
 410
 411         if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
 412                 goto nla_put_failure;
 413
 414         if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
 415                 goto nla_put_failure;
 416
 417         targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
 418         if (!targets)
 419                 goto nla_put_failure;
 420
 421         targets_added = 0;
 422         for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
 423                 if (bond->params.arp_targets[i]) {
 424                         nla_put_be32(skb, i, bond->params.arp_targets[i]);
 425                         targets_added = 1;
 426                 }
 427         }
 428
 429         if (targets_added)
 430                 nla_nest_end(skb, targets);
 431         else
 432                 nla_nest_cancel(skb, targets);
 433
 434         if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
 435                 goto nla_put_failure;
 436
 437         if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
 438                         bond->params.arp_all_targets))
 439                 goto nla_put_failure;
 440
 441         if (bond->primary_slave &&
 442             nla_put_u32(skb, IFLA_BOND_PRIMARY,
 443                         bond->primary_slave->dev->ifindex))
 444                 goto nla_put_failure;
 445
 446         if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
 447                        bond->params.primary_reselect))
 448                 goto nla_put_failure;
 449
 450         if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
 451                        bond->params.fail_over_mac))
 452                 goto nla_put_failure;
 453
 454         if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
 455                        bond->params.xmit_policy))
 456                 goto nla_put_failure;
 457
 458         if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
 459                         bond->params.resend_igmp))
 460                 goto nla_put_failure;
 461
 462         if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
 463                        bond->params.num_peer_notif))
 464                 goto nla_put_failure;
 465
 466         if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
 467                        bond->params.all_slaves_active))
 468                 goto nla_put_failure;
 469
 470         if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
 471                         bond->params.min_links))
 472                 goto nla_put_failure;
 473
 474         if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
 475                         bond->params.lp_interval))
 476                 goto nla_put_failure;
 477
 478         packets_per_slave = bond->params.packets_per_slave;
 479         if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
 480                         packets_per_slave))
 481                 goto nla_put_failure;
 482
 483         if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
 484                        bond->params.lacp_fast))
 485                 goto nla_put_failure;
 486
 487         if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
 488                        bond->params.ad_select))
 489                 goto nla_put_failure;
 490
 491         if (bond->params.mode == BOND_MODE_8023AD) {
 492                 struct ad_info info;
 493
 494                 if (!bond_3ad_get_active_agg_info(bond, &info)) {
 495                         struct nlattr *nest;
 496
 497                         nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
 498                         if (!nest)
 499                                 goto nla_put_failure;
 500
 501                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
 502                                         info.aggregator_id))
 503                                 goto nla_put_failure;
 504                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
 505                                         info.ports))
 506                                 goto nla_put_failure;
 507                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
 508                                         info.actor_key))
 509                                 goto nla_put_failure;
 510                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
 511                                         info.partner_key))
 512                                 goto nla_put_failure;
 513                         if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
 514                                     sizeof(info.partner_system),
 515                                     &info.partner_system))
 516                                 goto nla_put_failure;
 517
 518                         nla_nest_end(skb, nest);
 519                 }
 520         }
 521
 522         return 0;
 523
 524 nla_put_failure:
 525         return -EMSGSIZE;
 526 }
 527
 528 struct rtnl_link_ops bond_link_ops __read_mostly = {
 529         .kind                   = "bond",
 530         .priv_size              = sizeof(struct bonding),
 531         .setup                  = bond_setup,
 532         .maxtype                = IFLA_BOND_MAX,
 533         .policy                 = bond_policy,
 534         .validate               = bond_validate,
 535         .newlink                = bond_newlink,
 536         .changelink             = bond_changelink,
 537         .get_size               = bond_get_size,
 538         .fill_info              = bond_fill_info,
 539         .get_num_tx_queues      = bond_get_num_tx_queues,
 540         .get_num_rx_queues      = bond_get_num_tx_queues, /* Use the same number
 541                                                              as for TX queues */
 542 };
 543
 544 int __init bond_netlink_init(void)
 545 {
 546         return rtnl_link_register(&bond_link_ops);
 547 }
 548
 549 void bond_netlink_fini(void)
 550 {
 551         rtnl_link_unregister(&bond_link_ops);
 552 }
 553
 554 MODULE_ALIAS_RTNL_LINK("bond");