Pileus Git - ~andy/linux/blob - 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
 120                 if (ifindex == 0) {
 121                         slave_dev = NULL;
 122                 } else {
 123                         slave_dev = __dev_get_by_index(dev_net(bond_dev),
 124                                                        ifindex);
 125                         if (!slave_dev)
 126                                 return -ENODEV;
 127                 }
 128                 err = bond_option_active_slave_set(bond, slave_dev);
 129                 if (err)
 130                         return err;
 131         }
 132         if (data[IFLA_BOND_MIIMON]) {
 133                 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
 134
 135                 bond_opt_initval(&newval, miimon);
 136                 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
 137                 if (err)
 138                         return err;
 139         }
 140         if (data[IFLA_BOND_UPDELAY]) {
 141                 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
 142
 143                 bond_opt_initval(&newval, updelay);
 144                 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
 145                 if (err)
 146                         return err;
 147         }
 148         if (data[IFLA_BOND_DOWNDELAY]) {
 149                 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
 150
 151                 bond_opt_initval(&newval, downdelay);
 152                 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
 153                 if (err)
 154                         return err;
 155         }
 156         if (data[IFLA_BOND_USE_CARRIER]) {
 157                 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
 158
 159                 bond_opt_initval(&newval, use_carrier);
 160                 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
 161                 if (err)
 162                         return err;
 163         }
 164         if (data[IFLA_BOND_ARP_INTERVAL]) {
 165                 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
 166
 167                 if (arp_interval && miimon) {
 168                         pr_err("%s: ARP monitoring cannot be used with MII monitoring.\n",
 169                                bond->dev->name);
 170                         return -EINVAL;
 171                 }
 172
 173                 bond_opt_initval(&newval, arp_interval);
 174                 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
 175                 if (err)
 176                         return err;
 177         }
 178         if (data[IFLA_BOND_ARP_IP_TARGET]) {
 179                 struct nlattr *attr;
 180                 int i = 0, rem;
 181
 182                 bond_option_arp_ip_targets_clear(bond);
 183                 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
 184                         __be32 target = nla_get_be32(attr);
 185
 186                         bond_opt_initval(&newval, target);
 187                         err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
 188                                              &newval);
 189                         if (err)
 190                                 break;
 191                         i++;
 192                 }
 193                 if (i == 0 && bond->params.arp_interval)
 194                         pr_warn("%s: removing last arp target with arp_interval on\n",
 195                                 bond->dev->name);
 196                 if (err)
 197                         return err;
 198         }
 199         if (data[IFLA_BOND_ARP_VALIDATE]) {
 200                 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
 201
 202                 if (arp_validate && miimon) {
 203                         pr_err("%s: ARP validating cannot be used with MII monitoring.\n",
 204                                bond->dev->name);
 205                         return -EINVAL;
 206                 }
 207
 208                 bond_opt_initval(&newval, arp_validate);
 209                 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
 210                 if (err)
 211                         return err;
 212         }
 213         if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
 214                 int arp_all_targets =
 215                         nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
 216
 217                 bond_opt_initval(&newval, arp_all_targets);
 218                 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
 219                 if (err)
 220                         return err;
 221         }
 222         if (data[IFLA_BOND_PRIMARY]) {
 223                 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
 224                 struct net_device *dev;
 225                 char *primary = "";
 226
 227                 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
 228                 if (dev)
 229                         primary = dev->name;
 230
 231                 bond_opt_initstr(&newval, primary);
 232                 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
 233                 if (err)
 234                         return err;
 235         }
 236         if (data[IFLA_BOND_PRIMARY_RESELECT]) {
 237                 int primary_reselect =
 238                         nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
 239
 240                 bond_opt_initval(&newval, primary_reselect);
 241                 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
 242                 if (err)
 243                         return err;
 244         }
 245         if (data[IFLA_BOND_FAIL_OVER_MAC]) {
 246                 int fail_over_mac =
 247                         nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
 248
 249                 bond_opt_initval(&newval, fail_over_mac);
 250                 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
 251                 if (err)
 252                         return err;
 253         }
 254         if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
 255                 int xmit_hash_policy =
 256                         nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
 257
 258                 bond_opt_initval(&newval, xmit_hash_policy);
 259                 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
 260                 if (err)
 261                         return err;
 262         }
 263         if (data[IFLA_BOND_RESEND_IGMP]) {
 264                 int resend_igmp =
 265                         nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
 266
 267                 err = bond_option_resend_igmp_set(bond, resend_igmp);
 268                 if (err)
 269                         return err;
 270         }
 271         if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
 272                 int num_peer_notif =
 273                         nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
 274
 275                 bond_opt_initval(&newval, num_peer_notif);
 276                 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
 277                 if (err)
 278                         return err;
 279         }
 280         if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
 281                 int all_slaves_active =
 282                         nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
 283
 284                 err = bond_option_all_slaves_active_set(bond,
 285                                                         all_slaves_active);
 286                 if (err)
 287                         return err;
 288         }
 289         if (data[IFLA_BOND_MIN_LINKS]) {
 290                 int min_links =
 291                         nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
 292
 293                 bond_opt_initval(&newval, min_links);
 294                 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
 295                 if (err)
 296                         return err;
 297         }
 298         if (data[IFLA_BOND_LP_INTERVAL]) {
 299                 int lp_interval =
 300                         nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
 301
 302                 err = bond_option_lp_interval_set(bond, lp_interval);
 303                 if (err)
 304                         return err;
 305         }
 306         if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
 307                 int packets_per_slave =
 308                         nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
 309
 310                 bond_opt_initval(&newval, packets_per_slave);
 311                 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
 312                 if (err)
 313                         return err;
 314         }
 315         if (data[IFLA_BOND_AD_LACP_RATE]) {
 316                 int lacp_rate =
 317                         nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
 318
 319                 bond_opt_initval(&newval, lacp_rate);
 320                 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
 321                 if (err)
 322                         return err;
 323         }
 324         if (data[IFLA_BOND_AD_SELECT]) {
 325                 int ad_select =
 326                         nla_get_u8(data[IFLA_BOND_AD_SELECT]);
 327
 328                 bond_opt_initval(&newval, ad_select);
 329                 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
 330                 if (err)
 331                         return err;
 332         }
 333         return 0;
 334 }
 335
 336 static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
 337                         struct nlattr *tb[], struct nlattr *data[])
 338 {
 339         int err;
 340
 341         err = bond_changelink(bond_dev, tb, data);
 342         if (err < 0)
 343                 return err;
 344
 345         return register_netdevice(bond_dev);
 346 }
 347
 348 static size_t bond_get_size(const struct net_device *bond_dev)
 349 {
 350         return nla_total_size(sizeof(u8)) +     /* IFLA_BOND_MODE */
 351                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ACTIVE_SLAVE */
 352                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_MIIMON */
 353                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_UPDELAY */
 354                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_DOWNDELAY */
 355                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_USE_CARRIER */
 356                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ARP_INTERVAL */
 357                                                 /* IFLA_BOND_ARP_IP_TARGET */
 358                 nla_total_size(sizeof(struct nlattr)) +
 359                 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
 360                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ARP_VALIDATE */
 361                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_ARP_ALL_TARGETS */
 362                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_PRIMARY */
 363                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_PRIMARY_RESELECT */
 364                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_FAIL_OVER_MAC */
 365                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_XMIT_HASH_POLICY */
 366                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_RESEND_IGMP */
 367                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_NUM_PEER_NOTIF */
 368                 nla_total_size(sizeof(u8)) +   /* IFLA_BOND_ALL_SLAVES_ACTIVE */
 369                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_MIN_LINKS */
 370                 nla_total_size(sizeof(u32)) +   /* IFLA_BOND_LP_INTERVAL */
 371                 nla_total_size(sizeof(u32)) +  /* IFLA_BOND_PACKETS_PER_SLAVE */
 372                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_AD_LACP_RATE */
 373                 nla_total_size(sizeof(u8)) +    /* IFLA_BOND_AD_SELECT */
 374                 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
 375                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
 376                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
 377                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
 378                 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
 379                 nla_total_size(ETH_ALEN) +    /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
 380                 0;
 381 }
 382
 383 static int bond_fill_info(struct sk_buff *skb,
 384                           const struct net_device *bond_dev)
 385 {
 386         struct bonding *bond = netdev_priv(bond_dev);
 387         struct net_device *slave_dev = bond_option_active_slave_get(bond);
 388         struct nlattr *targets;
 389         unsigned int packets_per_slave;
 390         int i, targets_added;
 391
 392         if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
 393                 goto nla_put_failure;
 394
 395         if (slave_dev &&
 396             nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))
 397                 goto nla_put_failure;
 398
 399         if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
 400                 goto nla_put_failure;
 401
 402         if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
 403                         bond->params.updelay * bond->params.miimon))
 404                 goto nla_put_failure;
 405
 406         if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
 407                         bond->params.downdelay * bond->params.miimon))
 408                 goto nla_put_failure;
 409
 410         if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
 411                 goto nla_put_failure;
 412
 413         if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
 414                 goto nla_put_failure;
 415
 416         targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
 417         if (!targets)
 418                 goto nla_put_failure;
 419
 420         targets_added = 0;
 421         for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
 422                 if (bond->params.arp_targets[i]) {
 423                         nla_put_be32(skb, i, bond->params.arp_targets[i]);
 424                         targets_added = 1;
 425                 }
 426         }
 427
 428         if (targets_added)
 429                 nla_nest_end(skb, targets);
 430         else
 431                 nla_nest_cancel(skb, targets);
 432
 433         if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
 434                 goto nla_put_failure;
 435
 436         if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
 437                         bond->params.arp_all_targets))
 438                 goto nla_put_failure;
 439
 440         if (bond->primary_slave &&
 441             nla_put_u32(skb, IFLA_BOND_PRIMARY,
 442                         bond->primary_slave->dev->ifindex))
 443                 goto nla_put_failure;
 444
 445         if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
 446                        bond->params.primary_reselect))
 447                 goto nla_put_failure;
 448
 449         if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
 450                        bond->params.fail_over_mac))
 451                 goto nla_put_failure;
 452
 453         if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
 454                        bond->params.xmit_policy))
 455                 goto nla_put_failure;
 456
 457         if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
 458                         bond->params.resend_igmp))
 459                 goto nla_put_failure;
 460
 461         if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
 462                        bond->params.num_peer_notif))
 463                 goto nla_put_failure;
 464
 465         if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
 466                        bond->params.all_slaves_active))
 467                 goto nla_put_failure;
 468
 469         if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
 470                         bond->params.min_links))
 471                 goto nla_put_failure;
 472
 473         if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
 474                         bond->params.lp_interval))
 475                 goto nla_put_failure;
 476
 477         packets_per_slave = bond->params.packets_per_slave;
 478         if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
 479                         packets_per_slave))
 480                 goto nla_put_failure;
 481
 482         if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
 483                        bond->params.lacp_fast))
 484                 goto nla_put_failure;
 485
 486         if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
 487                        bond->params.ad_select))
 488                 goto nla_put_failure;
 489
 490         if (bond->params.mode == BOND_MODE_8023AD) {
 491                 struct ad_info info;
 492
 493                 if (!bond_3ad_get_active_agg_info(bond, &info)) {
 494                         struct nlattr *nest;
 495
 496                         nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
 497                         if (!nest)
 498                                 goto nla_put_failure;
 499
 500                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
 501                                         info.aggregator_id))
 502                                 goto nla_put_failure;
 503                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
 504                                         info.ports))
 505                                 goto nla_put_failure;
 506                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
 507                                         info.actor_key))
 508                                 goto nla_put_failure;
 509                         if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
 510                                         info.partner_key))
 511                                 goto nla_put_failure;
 512                         if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
 513                                     sizeof(info.partner_system),
 514                                     &info.partner_system))
 515                                 goto nla_put_failure;
 516
 517                         nla_nest_end(skb, nest);
 518                 }
 519         }
 520
 521         return 0;
 522
 523 nla_put_failure:
 524         return -EMSGSIZE;
 525 }
 526
 527 struct rtnl_link_ops bond_link_ops __read_mostly = {
 528         .kind                   = "bond",
 529         .priv_size              = sizeof(struct bonding),
 530         .setup                  = bond_setup,
 531         .maxtype                = IFLA_BOND_MAX,
 532         .policy                 = bond_policy,
 533         .validate               = bond_validate,
 534         .newlink                = bond_newlink,
 535         .changelink             = bond_changelink,
 536         .get_size               = bond_get_size,
 537         .fill_info              = bond_fill_info,
 538         .get_num_tx_queues      = bond_get_num_tx_queues,
 539         .get_num_rx_queues      = bond_get_num_tx_queues, /* Use the same number
 540                                                              as for TX queues */
 541 };
 542
 543 int __init bond_netlink_init(void)
 544 {
 545         return rtnl_link_register(&bond_link_ops);
 546 }
 547
 548 void bond_netlink_fini(void)
 549 {
 550         rtnl_link_unregister(&bond_link_ops);
 551 }
 552
 553 MODULE_ALIAS_RTNL_LINK("bond");