net/netfilter/ipset/ip_set_hash_ipportnet.c

   1 /* Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 as
   5  * published by the Free Software Foundation.
   6  */
   7
   8 /* Kernel module implementing an IP set type: the hash:ip,port,net type */
   9
  10 #include <linux/jhash.h>
  11 #include <linux/module.h>
  12 #include <linux/ip.h>
  13 #include <linux/skbuff.h>
  14 #include <linux/errno.h>
  15 #include <linux/random.h>
  16 #include <net/ip.h>
  17 #include <net/ipv6.h>
  18 #include <net/netlink.h>
  19 #include <net/tcp.h>
  20
  21 #include <linux/netfilter.h>
  22 #include <linux/netfilter/ipset/pfxlen.h>
  23 #include <linux/netfilter/ipset/ip_set.h>
  24 #include <linux/netfilter/ipset/ip_set_timeout.h>
  25 #include <linux/netfilter/ipset/ip_set_getport.h>
  26 #include <linux/netfilter/ipset/ip_set_hash.h>
  27
  28 MODULE_LICENSE("GPL");
  29 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
  30 MODULE_DESCRIPTION("hash:ip,port,net type of IP sets");
  31 MODULE_ALIAS("ip_set_hash:ip,port,net");
  32
  33 /* Type specific function prefix */
  34 #define TYPE            hash_ipportnet
  35
  36 static bool
  37 hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b);
  38
  39 #define hash_ipportnet4_same_set        hash_ipportnet_same_set
  40 #define hash_ipportnet6_same_set        hash_ipportnet_same_set
  41
  42 /* The type variant functions: IPv4 */
  43
  44 /* Member elements without timeout */
  45 struct hash_ipportnet4_elem {
  46         __be32 ip;
  47         __be32 ip2;
  48         __be16 port;
  49         u8 cidr;
  50         u8 proto;
  51 };
  52
  53 /* Member elements with timeout support */
  54 struct hash_ipportnet4_telem {
  55         __be32 ip;
  56         __be32 ip2;
  57         __be16 port;
  58         u8 cidr;
  59         u8 proto;
  60         unsigned long timeout;
  61 };
  62
  63 static inline bool
  64 hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem *ip1,
  65                            const struct hash_ipportnet4_elem *ip2)
  66 {
  67         return ip1->ip == ip2->ip &&
  68                ip1->ip2 == ip2->ip2 &&
  69                ip1->cidr == ip2->cidr &&
  70                ip1->port == ip2->port &&
  71                ip1->proto == ip2->proto;
  72 }
  73
  74 static inline bool
  75 hash_ipportnet4_data_isnull(const struct hash_ipportnet4_elem *elem)
  76 {
  77         return elem->proto == 0;
  78 }
  79
  80 static inline void
  81 hash_ipportnet4_data_copy(struct hash_ipportnet4_elem *dst,
  82                           const struct hash_ipportnet4_elem *src)
  83 {
  84         memcpy(dst, src, sizeof(*dst));
  85 }
  86
  87 static inline void
  88 hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem *elem, u8 cidr)
  89 {
  90         elem->ip2 &= ip_set_netmask(cidr);
  91         elem->cidr = cidr;
  92 }
  93
  94 static inline void
  95 hash_ipportnet4_data_zero_out(struct hash_ipportnet4_elem *elem)
  96 {
  97         elem->proto = 0;
  98 }
  99
 100 static bool
 101 hash_ipportnet4_data_list(struct sk_buff *skb,
 102                           const struct hash_ipportnet4_elem *data)
 103 {
 104         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
 105         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, data->ip2);
 106         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
 107         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 108         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 109         return 0;
 110
 111 nla_put_failure:
 112         return 1;
 113 }
 114
 115 static bool
 116 hash_ipportnet4_data_tlist(struct sk_buff *skb,
 117                            const struct hash_ipportnet4_elem *data)
 118 {
 119         const struct hash_ipportnet4_telem *tdata =
 120                 (const struct hash_ipportnet4_telem *)data;
 121
 122         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip);
 123         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, tdata->ip2);
 124         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, tdata->port);
 125         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 126         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 127         NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
 128                       htonl(ip_set_timeout_get(tdata->timeout)));
 129
 130         return 0;
 131
 132 nla_put_failure:
 133         return 1;
 134 }
 135
 136 #define IP_SET_HASH_WITH_PROTO
 137 #define IP_SET_HASH_WITH_NETS
 138
 139 #define PF              4
 140 #define HOST_MASK       32
 141 #include <linux/netfilter/ipset/ip_set_ahash.h>
 142
 143 static int
 144 hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 145                      enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
 146 {
 147         const struct ip_set_hash *h = set->data;
 148         ipset_adtfn adtfn = set->variant->adt[adt];
 149         struct hash_ipportnet4_elem data =
 150                 { .cidr = h->nets[0].cidr || HOST_MASK };
 151
 152         if (data.cidr == 0)
 153                 return -EINVAL;
 154         if (adt == IPSET_TEST)
 155                 data.cidr = HOST_MASK;
 156
 157         if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
 158                                  &data.port, &data.proto))
 159                 return -EINVAL;
 160
 161         ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
 162         ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
 163         data.ip2 &= ip_set_netmask(data.cidr);
 164
 165         return adtfn(set, &data, h->timeout);
 166 }
 167
 168 static int
 169 hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 170                      enum ipset_adt adt, u32 *lineno, u32 flags)
 171 {
 172         const struct ip_set_hash *h = set->data;
 173         ipset_adtfn adtfn = set->variant->adt[adt];
 174         struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
 175         u32 ip, ip_to, p, port, port_to;
 176         u32 timeout = h->timeout;
 177         int ret;
 178
 179         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 180                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 181                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 182                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
 183                 return -IPSET_ERR_PROTOCOL;
 184
 185         if (tb[IPSET_ATTR_LINENO])
 186                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 187
 188         ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
 189         if (ret)
 190                 return ret;
 191
 192         ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP2], &data.ip2);
 193         if (ret)
 194                 return ret;
 195
 196         if (tb[IPSET_ATTR_CIDR2])
 197                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 198
 199         if (!data.cidr)
 200                 return -IPSET_ERR_INVALID_CIDR;
 201
 202         data.ip2 &= ip_set_netmask(data.cidr);
 203
 204         if (tb[IPSET_ATTR_PORT])
 205                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 206         else
 207                 return -IPSET_ERR_PROTOCOL;
 208
 209         if (tb[IPSET_ATTR_PROTO]) {
 210                 data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 211
 212                 if (data.proto == 0)
 213                         return -IPSET_ERR_INVALID_PROTO;
 214         } else
 215                 return -IPSET_ERR_MISSING_PROTO;
 216
 217         switch (data.proto) {
 218         case IPPROTO_UDP:
 219         case IPPROTO_TCP:
 220         case IPPROTO_ICMP:
 221                 break;
 222         default:
 223                 data.port = 0;
 224                 break;
 225         }
 226
 227         if (tb[IPSET_ATTR_TIMEOUT]) {
 228                 if (!with_timeout(h->timeout))
 229                         return -IPSET_ERR_TIMEOUT;
 230                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 231         }
 232
 233         if (adt == IPSET_TEST ||
 234             !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 235             !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
 236               tb[IPSET_ATTR_PORT_TO])) {
 237                 ret = adtfn(set, &data, timeout);
 238                 return ip_set_eexist(ret, flags) ? 0 : ret;
 239         }
 240
 241         ip = ntohl(data.ip);
 242         if (tb[IPSET_ATTR_IP_TO]) {
 243                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 244                 if (ret)
 245                         return ret;
 246                 if (ip > ip_to)
 247                         swap(ip, ip_to);
 248         } else if (tb[IPSET_ATTR_CIDR]) {
 249                 u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 250
 251                 if (cidr > 32)
 252                         return -IPSET_ERR_INVALID_CIDR;
 253                 ip &= ip_set_hostmask(cidr);
 254                 ip_to = ip | ~ip_set_hostmask(cidr);
 255         } else
 256                 ip_to = ip;
 257
 258         port = ntohs(data.port);
 259         if (tb[IPSET_ATTR_PORT_TO]) {
 260                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 261                 if (port > port_to)
 262                         swap(port, port_to);
 263         } else
 264                 port_to = port;
 265
 266         for (; !before(ip_to, ip); ip++)
 267                 for (p = port; p <= port_to; p++) {
 268                         data.ip = htonl(ip);
 269                         data.port = htons(p);
 270                         ret = adtfn(set, &data, timeout);
 271
 272                         if (ret && !ip_set_eexist(ret, flags))
 273                                 return ret;
 274                         else
 275                                 ret = 0;
 276                 }
 277         return ret;
 278 }
 279
 280 static bool
 281 hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b)
 282 {
 283         const struct ip_set_hash *x = a->data;
 284         const struct ip_set_hash *y = b->data;
 285
 286         /* Resizing changes htable_bits, so we ignore it */
 287         return x->maxelem == y->maxelem &&
 288                x->timeout == y->timeout;
 289 }
 290
 291 /* The type variant functions: IPv6 */
 292
 293 struct hash_ipportnet6_elem {
 294         union nf_inet_addr ip;
 295         union nf_inet_addr ip2;
 296         __be16 port;
 297         u8 cidr;
 298         u8 proto;
 299 };
 300
 301 struct hash_ipportnet6_telem {
 302         union nf_inet_addr ip;
 303         union nf_inet_addr ip2;
 304         __be16 port;
 305         u8 cidr;
 306         u8 proto;
 307         unsigned long timeout;
 308 };
 309
 310 static inline bool
 311 hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1,
 312                            const struct hash_ipportnet6_elem *ip2)
 313 {
 314         return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
 315                ipv6_addr_cmp(&ip1->ip2.in6, &ip2->ip2.in6) == 0 &&
 316                ip1->cidr == ip2->cidr &&
 317                ip1->port == ip2->port &&
 318                ip1->proto == ip2->proto;
 319 }
 320
 321 static inline bool
 322 hash_ipportnet6_data_isnull(const struct hash_ipportnet6_elem *elem)
 323 {
 324         return elem->proto == 0;
 325 }
 326
 327 static inline void
 328 hash_ipportnet6_data_copy(struct hash_ipportnet6_elem *dst,
 329                           const struct hash_ipportnet6_elem *src)
 330 {
 331         memcpy(dst, src, sizeof(*dst));
 332 }
 333
 334 static inline void
 335 hash_ipportnet6_data_zero_out(struct hash_ipportnet6_elem *elem)
 336 {
 337         elem->proto = 0;
 338 }
 339
 340 static inline void
 341 ip6_netmask(union nf_inet_addr *ip, u8 prefix)
 342 {
 343         ip->ip6[0] &= ip_set_netmask6(prefix)[0];
 344         ip->ip6[1] &= ip_set_netmask6(prefix)[1];
 345         ip->ip6[2] &= ip_set_netmask6(prefix)[2];
 346         ip->ip6[3] &= ip_set_netmask6(prefix)[3];
 347 }
 348
 349 static inline void
 350 hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem *elem, u8 cidr)
 351 {
 352         ip6_netmask(&elem->ip2, cidr);
 353         elem->cidr = cidr;
 354 }
 355
 356 static bool
 357 hash_ipportnet6_data_list(struct sk_buff *skb,
 358                           const struct hash_ipportnet6_elem *data)
 359 {
 360         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
 361         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
 362         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
 363         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 364         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 365         return 0;
 366
 367 nla_put_failure:
 368         return 1;
 369 }
 370
 371 static bool
 372 hash_ipportnet6_data_tlist(struct sk_buff *skb,
 373                            const struct hash_ipportnet6_elem *data)
 374 {
 375         const struct hash_ipportnet6_telem *e =
 376                 (const struct hash_ipportnet6_telem *)data;
 377
 378         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
 379         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
 380         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
 381         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 382         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 383         NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
 384                       htonl(ip_set_timeout_get(e->timeout)));
 385         return 0;
 386
 387 nla_put_failure:
 388         return 1;
 389 }
 390
 391 #undef PF
 392 #undef HOST_MASK
 393
 394 #define PF              6
 395 #define HOST_MASK       128
 396 #include <linux/netfilter/ipset/ip_set_ahash.h>
 397
 398 static int
 399 hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 400                      enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
 401 {
 402         const struct ip_set_hash *h = set->data;
 403         ipset_adtfn adtfn = set->variant->adt[adt];
 404         struct hash_ipportnet6_elem data =
 405                 { .cidr = h->nets[0].cidr || HOST_MASK };
 406
 407         if (data.cidr == 0)
 408                 return -EINVAL;
 409         if (adt == IPSET_TEST)
 410                 data.cidr = HOST_MASK;
 411
 412         if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
 413                                  &data.port, &data.proto))
 414                 return -EINVAL;
 415
 416         ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
 417         ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
 418         ip6_netmask(&data.ip2, data.cidr);
 419
 420         return adtfn(set, &data, h->timeout);
 421 }
 422
 423 static int
 424 hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 425                      enum ipset_adt adt, u32 *lineno, u32 flags)
 426 {
 427         const struct ip_set_hash *h = set->data;
 428         ipset_adtfn adtfn = set->variant->adt[adt];
 429         struct hash_ipportnet6_elem data = { .cidr = HOST_MASK };
 430         u32 port, port_to;
 431         u32 timeout = h->timeout;
 432         int ret;
 433
 434         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 435                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 436                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 437                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
 438                      tb[IPSET_ATTR_IP_TO] ||
 439                      tb[IPSET_ATTR_CIDR]))
 440                 return -IPSET_ERR_PROTOCOL;
 441
 442         if (tb[IPSET_ATTR_LINENO])
 443                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 444
 445         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &data.ip);
 446         if (ret)
 447                 return ret;
 448
 449         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &data.ip2);
 450         if (ret)
 451                 return ret;
 452
 453         if (tb[IPSET_ATTR_CIDR2])
 454                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 455
 456         if (!data.cidr)
 457                 return -IPSET_ERR_INVALID_CIDR;
 458
 459         ip6_netmask(&data.ip2, data.cidr);
 460
 461         if (tb[IPSET_ATTR_PORT])
 462                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 463         else
 464                 return -IPSET_ERR_PROTOCOL;
 465
 466         if (tb[IPSET_ATTR_PROTO]) {
 467                 data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 468
 469                 if (data.proto == 0)
 470                         return -IPSET_ERR_INVALID_PROTO;
 471         } else
 472                 return -IPSET_ERR_MISSING_PROTO;
 473
 474         switch (data.proto) {
 475         case IPPROTO_UDP:
 476         case IPPROTO_TCP:
 477         case IPPROTO_ICMPV6:
 478                 break;
 479         default:
 480                 data.port = 0;
 481                 break;
 482         }
 483
 484         if (tb[IPSET_ATTR_TIMEOUT]) {
 485                 if (!with_timeout(h->timeout))
 486                         return -IPSET_ERR_TIMEOUT;
 487                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 488         }
 489
 490         if (adt == IPSET_TEST ||
 491             !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 492             !tb[IPSET_ATTR_PORT_TO]) {
 493                 ret = adtfn(set, &data, timeout);
 494                 return ip_set_eexist(ret, flags) ? 0 : ret;
 495         }
 496
 497         port = ntohs(data.port);
 498         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 499         if (port > port_to)
 500                 swap(port, port_to);
 501
 502         for (; port <= port_to; port++) {
 503                 data.port = htons(port);
 504                 ret = adtfn(set, &data, timeout);
 505
 506                 if (ret && !ip_set_eexist(ret, flags))
 507                         return ret;
 508                 else
 509                         ret = 0;
 510         }
 511         return ret;
 512 }
 513
 514 /* Create hash:ip type of sets */
 515
 516 static int
 517 hash_ipportnet_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
 518 {
 519         struct ip_set_hash *h;
 520         u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
 521         u8 hbits;
 522
 523         if (!(set->family == AF_INET || set->family == AF_INET6))
 524                 return -IPSET_ERR_INVALID_FAMILY;
 525
 526         if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
 527                      !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
 528                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
 529                 return -IPSET_ERR_PROTOCOL;
 530
 531         if (tb[IPSET_ATTR_HASHSIZE]) {
 532                 hashsize = ip_set_get_h32(tb[IPSET_ATTR_HASHSIZE]);
 533                 if (hashsize < IPSET_MIMINAL_HASHSIZE)
 534                         hashsize = IPSET_MIMINAL_HASHSIZE;
 535         }
 536
 537         if (tb[IPSET_ATTR_MAXELEM])
 538                 maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
 539
 540         h = kzalloc(sizeof(*h)
 541                     + sizeof(struct ip_set_hash_nets)
 542                       * (set->family == AF_INET ? 32 : 128), GFP_KERNEL);
 543         if (!h)
 544                 return -ENOMEM;
 545
 546         h->maxelem = maxelem;
 547         get_random_bytes(&h->initval, sizeof(h->initval));
 548         h->timeout = IPSET_NO_TIMEOUT;
 549
 550         hbits = htable_bits(hashsize);
 551         h->table = ip_set_alloc(
 552                         sizeof(struct htable)
 553                         + jhash_size(hbits) * sizeof(struct hbucket));
 554         if (!h->table) {
 555                 kfree(h);
 556                 return -ENOMEM;
 557         }
 558         h->table->htable_bits = hbits;
 559
 560         set->data = h;
 561
 562         if (tb[IPSET_ATTR_TIMEOUT]) {
 563                 h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 564
 565                 set->variant = set->family == AF_INET
 566                         ? &hash_ipportnet4_tvariant
 567                         : &hash_ipportnet6_tvariant;
 568
 569                 if (set->family == AF_INET)
 570                         hash_ipportnet4_gc_init(set);
 571                 else
 572                         hash_ipportnet6_gc_init(set);
 573         } else {
 574                 set->variant = set->family == AF_INET
 575                         ? &hash_ipportnet4_variant : &hash_ipportnet6_variant;
 576         }
 577
 578         pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
 579                  set->name, jhash_size(h->table->htable_bits),
 580                  h->table->htable_bits, h->maxelem, set->data, h->table);
 581
 582         return 0;
 583 }
 584
 585 static struct ip_set_type hash_ipportnet_type __read_mostly = {
 586         .name           = "hash:ip,port,net",
 587         .protocol       = IPSET_PROTOCOL,
 588         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
 589         .dimension      = IPSET_DIM_THREE,
 590         .family         = AF_UNSPEC,
 591         .revision       = 0,
 592         .create         = hash_ipportnet_create,
 593         .create_policy  = {
 594                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 595                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 596                 [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
 597                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
 598                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 599         },
 600         .adt_policy     = {
 601                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
 602                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
 603                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
 604                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
 605                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
 606                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
 607                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
 608                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
 609                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 610                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
 611         },
 612         .me             = THIS_MODULE,
 613 };
 614
 615 static int __init
 616 hash_ipportnet_init(void)
 617 {
 618         return ip_set_type_register(&hash_ipportnet_type);
 619 }
 620
 621 static void __exit
 622 hash_ipportnet_fini(void)
 623 {
 624         ip_set_type_unregister(&hash_ipportnet_type);
 625 }
 626
 627 module_init(hash_ipportnet_init);
 628 module_exit(hash_ipportnet_fini);