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 <asm/uaccess.h>
  16 #include <asm/bitops.h>
  17 #include <linux/spinlock.h>
  18 #include <linux/random.h>
  19 #include <net/ip.h>
  20 #include <net/ipv6.h>
  21 #include <net/netlink.h>
  22 #include <net/tcp.h>
  23
  24 #include <linux/netfilter.h>
  25 #include <linux/netfilter/ipset/pfxlen.h>
  26 #include <linux/netfilter/ipset/ip_set.h>
  27 #include <linux/netfilter/ipset/ip_set_timeout.h>
  28 #include <linux/netfilter/ipset/ip_set_getport.h>
  29 #include <linux/netfilter/ipset/ip_set_hash.h>
  30
  31 MODULE_LICENSE("GPL");
  32 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
  33 MODULE_DESCRIPTION("hash:ip,port,net type of IP sets");
  34 MODULE_ALIAS("ip_set_hash:ip,port,net");
  35
  36 /* Type specific function prefix */
  37 #define TYPE            hash_ipportnet
  38
  39 static bool
  40 hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b);
  41
  42 #define hash_ipportnet4_same_set        hash_ipportnet_same_set
  43 #define hash_ipportnet6_same_set        hash_ipportnet_same_set
  44
  45 /* The type variant functions: IPv4 */
  46
  47 /* Member elements without timeout */
  48 struct hash_ipportnet4_elem {
  49         __be32 ip;
  50         __be32 ip2;
  51         __be16 port;
  52         u8 cidr;
  53         u8 proto;
  54 };
  55
  56 /* Member elements with timeout support */
  57 struct hash_ipportnet4_telem {
  58         __be32 ip;
  59         __be32 ip2;
  60         __be16 port;
  61         u8 cidr;
  62         u8 proto;
  63         unsigned long timeout;
  64 };
  65
  66 static inline bool
  67 hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem *ip1,
  68                            const struct hash_ipportnet4_elem *ip2)
  69 {
  70         return ip1->ip == ip2->ip &&
  71                ip1->ip2 == ip2->ip2 &&
  72                ip1->cidr == ip2->cidr &&
  73                ip1->port == ip2->port &&
  74                ip1->proto == ip2->proto;
  75 }
  76
  77 static inline bool
  78 hash_ipportnet4_data_isnull(const struct hash_ipportnet4_elem *elem)
  79 {
  80         return elem->proto == 0;
  81 }
  82
  83 static inline void
  84 hash_ipportnet4_data_copy(struct hash_ipportnet4_elem *dst,
  85                           const struct hash_ipportnet4_elem *src)
  86 {
  87         memcpy(dst, src, sizeof(*dst));
  88 }
  89
  90 static inline void
  91 hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem *elem, u8 cidr)
  92 {
  93         elem->ip2 &= ip_set_netmask(cidr);
  94         elem->cidr = cidr;
  95 }
  96
  97 static inline void
  98 hash_ipportnet4_data_zero_out(struct hash_ipportnet4_elem *elem)
  99 {
 100         elem->proto = 0;
 101 }
 102
 103 static bool
 104 hash_ipportnet4_data_list(struct sk_buff *skb,
 105                           const struct hash_ipportnet4_elem *data)
 106 {
 107         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
 108         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, data->ip2);
 109         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
 110         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 111         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 112         return 0;
 113
 114 nla_put_failure:
 115         return 1;
 116 }
 117
 118 static bool
 119 hash_ipportnet4_data_tlist(struct sk_buff *skb,
 120                            const struct hash_ipportnet4_elem *data)
 121 {
 122         const struct hash_ipportnet4_telem *tdata =
 123                 (const struct hash_ipportnet4_telem *)data;
 124
 125         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip);
 126         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, tdata->ip2);
 127         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, tdata->port);
 128         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 129         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 130         NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
 131                       htonl(ip_set_timeout_get(tdata->timeout)));
 132
 133         return 0;
 134
 135 nla_put_failure:
 136         return 1;
 137 }
 138
 139 #define IP_SET_HASH_WITH_PROTO
 140 #define IP_SET_HASH_WITH_NETS
 141
 142 #define PF              4
 143 #define HOST_MASK       32
 144 #include <linux/netfilter/ipset/ip_set_ahash.h>
 145
 146 static int
 147 hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 148                      enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
 149 {
 150         const struct ip_set_hash *h = set->data;
 151         ipset_adtfn adtfn = set->variant->adt[adt];
 152         struct hash_ipportnet4_elem data =
 153                 { .cidr = h->nets[0].cidr || HOST_MASK };
 154
 155         if (data.cidr == 0)
 156                 return -EINVAL;
 157         if (adt == IPSET_TEST)
 158                 data.cidr = HOST_MASK;
 159
 160         if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
 161                                  &data.port, &data.proto))
 162                 return -EINVAL;
 163
 164         ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
 165         ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
 166         data.ip2 &= ip_set_netmask(data.cidr);
 167
 168         return adtfn(set, &data, h->timeout);
 169 }
 170
 171 static int
 172 hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 173                      enum ipset_adt adt, u32 *lineno, u32 flags)
 174 {
 175         const struct ip_set_hash *h = set->data;
 176         ipset_adtfn adtfn = set->variant->adt[adt];
 177         struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
 178         u32 ip, ip_to, p, port, port_to;
 179         u32 timeout = h->timeout;
 180         int ret;
 181
 182         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 183                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 184                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 185                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
 186                 return -IPSET_ERR_PROTOCOL;
 187
 188         if (tb[IPSET_ATTR_LINENO])
 189                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 190
 191         ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
 192         if (ret)
 193                 return ret;
 194
 195         ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP2], &data.ip2);
 196         if (ret)
 197                 return ret;
 198
 199         if (tb[IPSET_ATTR_CIDR2])
 200                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 201
 202         if (!data.cidr)
 203                 return -IPSET_ERR_INVALID_CIDR;
 204
 205         data.ip2 &= ip_set_netmask(data.cidr);
 206
 207         if (tb[IPSET_ATTR_PORT])
 208                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 209         else
 210                 return -IPSET_ERR_PROTOCOL;
 211
 212         if (tb[IPSET_ATTR_PROTO]) {
 213                 data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 214
 215                 if (data.proto == 0)
 216                         return -IPSET_ERR_INVALID_PROTO;
 217         } else
 218                 return -IPSET_ERR_MISSING_PROTO;
 219
 220         switch (data.proto) {
 221         case IPPROTO_UDP:
 222         case IPPROTO_TCP:
 223         case IPPROTO_ICMP:
 224                 break;
 225         default:
 226                 data.port = 0;
 227                 break;
 228         }
 229
 230         if (tb[IPSET_ATTR_TIMEOUT]) {
 231                 if (!with_timeout(h->timeout))
 232                         return -IPSET_ERR_TIMEOUT;
 233                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 234         }
 235
 236         if (adt == IPSET_TEST ||
 237             !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 238             !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
 239               tb[IPSET_ATTR_PORT_TO])) {
 240                 ret = adtfn(set, &data, timeout);
 241                 return ip_set_eexist(ret, flags) ? 0 : ret;
 242         }
 243
 244         ip = ntohl(data.ip);
 245         if (tb[IPSET_ATTR_IP_TO]) {
 246                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 247                 if (ret)
 248                         return ret;
 249                 if (ip > ip_to)
 250                         swap(ip, ip_to);
 251         } else if (tb[IPSET_ATTR_CIDR]) {
 252                 u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 253
 254                 if (cidr > 32)
 255                         return -IPSET_ERR_INVALID_CIDR;
 256                 ip &= ip_set_hostmask(cidr);
 257                 ip_to = ip | ~ip_set_hostmask(cidr);
 258         } else
 259                 ip_to = ip;
 260
 261         port = ntohs(data.port);
 262         if (tb[IPSET_ATTR_PORT_TO]) {
 263                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 264                 if (port > port_to)
 265                         swap(port, port_to);
 266         } else
 267                 port_to = port;
 268
 269         for (; !before(ip_to, ip); ip++)
 270                 for (p = port; p <= port_to; p++) {
 271                         data.ip = htonl(ip);
 272                         data.port = htons(p);
 273                         ret = adtfn(set, &data, timeout);
 274
 275                         if (ret && !ip_set_eexist(ret, flags))
 276                                 return ret;
 277                         else
 278                                 ret = 0;
 279                 }
 280         return ret;
 281 }
 282
 283 static bool
 284 hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b)
 285 {
 286         const struct ip_set_hash *x = a->data;
 287         const struct ip_set_hash *y = b->data;
 288
 289         /* Resizing changes htable_bits, so we ignore it */
 290         return x->maxelem == y->maxelem &&
 291                x->timeout == y->timeout;
 292 }
 293
 294 /* The type variant functions: IPv6 */
 295
 296 struct hash_ipportnet6_elem {
 297         union nf_inet_addr ip;
 298         union nf_inet_addr ip2;
 299         __be16 port;
 300         u8 cidr;
 301         u8 proto;
 302 };
 303
 304 struct hash_ipportnet6_telem {
 305         union nf_inet_addr ip;
 306         union nf_inet_addr ip2;
 307         __be16 port;
 308         u8 cidr;
 309         u8 proto;
 310         unsigned long timeout;
 311 };
 312
 313 static inline bool
 314 hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1,
 315                            const struct hash_ipportnet6_elem *ip2)
 316 {
 317         return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
 318                ipv6_addr_cmp(&ip1->ip2.in6, &ip2->ip2.in6) == 0 &&
 319                ip1->cidr == ip2->cidr &&
 320                ip1->port == ip2->port &&
 321                ip1->proto == ip2->proto;
 322 }
 323
 324 static inline bool
 325 hash_ipportnet6_data_isnull(const struct hash_ipportnet6_elem *elem)
 326 {
 327         return elem->proto == 0;
 328 }
 329
 330 static inline void
 331 hash_ipportnet6_data_copy(struct hash_ipportnet6_elem *dst,
 332                           const struct hash_ipportnet6_elem *src)
 333 {
 334         memcpy(dst, src, sizeof(*dst));
 335 }
 336
 337 static inline void
 338 hash_ipportnet6_data_zero_out(struct hash_ipportnet6_elem *elem)
 339 {
 340         elem->proto = 0;
 341 }
 342
 343 static inline void
 344 ip6_netmask(union nf_inet_addr *ip, u8 prefix)
 345 {
 346         ip->ip6[0] &= ip_set_netmask6(prefix)[0];
 347         ip->ip6[1] &= ip_set_netmask6(prefix)[1];
 348         ip->ip6[2] &= ip_set_netmask6(prefix)[2];
 349         ip->ip6[3] &= ip_set_netmask6(prefix)[3];
 350 }
 351
 352 static inline void
 353 hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem *elem, u8 cidr)
 354 {
 355         ip6_netmask(&elem->ip2, cidr);
 356         elem->cidr = cidr;
 357 }
 358
 359 static bool
 360 hash_ipportnet6_data_list(struct sk_buff *skb,
 361                           const struct hash_ipportnet6_elem *data)
 362 {
 363         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
 364         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
 365         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
 366         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 367         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 368         return 0;
 369
 370 nla_put_failure:
 371         return 1;
 372 }
 373
 374 static bool
 375 hash_ipportnet6_data_tlist(struct sk_buff *skb,
 376                            const struct hash_ipportnet6_elem *data)
 377 {
 378         const struct hash_ipportnet6_telem *e =
 379                 (const struct hash_ipportnet6_telem *)data;
 380
 381         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
 382         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
 383         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
 384         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
 385         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
 386         NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
 387                       htonl(ip_set_timeout_get(e->timeout)));
 388         return 0;
 389
 390 nla_put_failure:
 391         return 1;
 392 }
 393
 394 #undef PF
 395 #undef HOST_MASK
 396
 397 #define PF              6
 398 #define HOST_MASK       128
 399 #include <linux/netfilter/ipset/ip_set_ahash.h>
 400
 401 static int
 402 hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 403                      enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
 404 {
 405         const struct ip_set_hash *h = set->data;
 406         ipset_adtfn adtfn = set->variant->adt[adt];
 407         struct hash_ipportnet6_elem data =
 408                 { .cidr = h->nets[0].cidr || HOST_MASK };
 409
 410         if (data.cidr == 0)
 411                 return -EINVAL;
 412         if (adt == IPSET_TEST)
 413                 data.cidr = HOST_MASK;
 414
 415         if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
 416                                  &data.port, &data.proto))
 417                 return -EINVAL;
 418
 419         ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
 420         ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
 421         ip6_netmask(&data.ip2, data.cidr);
 422
 423         return adtfn(set, &data, h->timeout);
 424 }
 425
 426 static int
 427 hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 428                      enum ipset_adt adt, u32 *lineno, u32 flags)
 429 {
 430         const struct ip_set_hash *h = set->data;
 431         ipset_adtfn adtfn = set->variant->adt[adt];
 432         struct hash_ipportnet6_elem data = { .cidr = HOST_MASK };
 433         u32 port, port_to;
 434         u32 timeout = h->timeout;
 435         int ret;
 436
 437         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 438                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 439                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 440                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
 441                      tb[IPSET_ATTR_IP_TO] ||
 442                      tb[IPSET_ATTR_CIDR]))
 443                 return -IPSET_ERR_PROTOCOL;
 444
 445         if (tb[IPSET_ATTR_LINENO])
 446                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 447
 448         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &data.ip);
 449         if (ret)
 450                 return ret;
 451
 452         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &data.ip2);
 453         if (ret)
 454                 return ret;
 455
 456         if (tb[IPSET_ATTR_CIDR2])
 457                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 458
 459         if (!data.cidr)
 460                 return -IPSET_ERR_INVALID_CIDR;
 461
 462         ip6_netmask(&data.ip2, data.cidr);
 463
 464         if (tb[IPSET_ATTR_PORT])
 465                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 466         else
 467                 return -IPSET_ERR_PROTOCOL;
 468
 469         if (tb[IPSET_ATTR_PROTO]) {
 470                 data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 471
 472                 if (data.proto == 0)
 473                         return -IPSET_ERR_INVALID_PROTO;
 474         } else
 475                 return -IPSET_ERR_MISSING_PROTO;
 476
 477         switch (data.proto) {
 478         case IPPROTO_UDP:
 479         case IPPROTO_TCP:
 480         case IPPROTO_ICMPV6:
 481                 break;
 482         default:
 483                 data.port = 0;
 484                 break;
 485         }
 486
 487         if (tb[IPSET_ATTR_TIMEOUT]) {
 488                 if (!with_timeout(h->timeout))
 489                         return -IPSET_ERR_TIMEOUT;
 490                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 491         }
 492
 493         if (adt == IPSET_TEST ||
 494             !(data.proto == IPPROTO_TCP || data.proto == IPPROTO_UDP) ||
 495             !tb[IPSET_ATTR_PORT_TO]) {
 496                 ret = adtfn(set, &data, timeout);
 497                 return ip_set_eexist(ret, flags) ? 0 : ret;
 498         }
 499
 500         port = ntohs(data.port);
 501         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 502         if (port > port_to)
 503                 swap(port, port_to);
 504
 505         for (; port <= port_to; port++) {
 506                 data.port = htons(port);
 507                 ret = adtfn(set, &data, timeout);
 508
 509                 if (ret && !ip_set_eexist(ret, flags))
 510                         return ret;
 511                 else
 512                         ret = 0;
 513         }
 514         return ret;
 515 }
 516
 517 /* Create hash:ip type of sets */
 518
 519 static int
 520 hash_ipportnet_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
 521 {
 522         struct ip_set_hash *h;
 523         u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
 524         u8 hbits;
 525
 526         if (!(set->family == AF_INET || set->family == AF_INET6))
 527                 return -IPSET_ERR_INVALID_FAMILY;
 528
 529         if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
 530                      !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
 531                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
 532                 return -IPSET_ERR_PROTOCOL;
 533
 534         if (tb[IPSET_ATTR_HASHSIZE]) {
 535                 hashsize = ip_set_get_h32(tb[IPSET_ATTR_HASHSIZE]);
 536                 if (hashsize < IPSET_MIMINAL_HASHSIZE)
 537                         hashsize = IPSET_MIMINAL_HASHSIZE;
 538         }
 539
 540         if (tb[IPSET_ATTR_MAXELEM])
 541                 maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
 542
 543         h = kzalloc(sizeof(*h)
 544                     + sizeof(struct ip_set_hash_nets)
 545                       * (set->family == AF_INET ? 32 : 128), GFP_KERNEL);
 546         if (!h)
 547                 return -ENOMEM;
 548
 549         h->maxelem = maxelem;
 550         get_random_bytes(&h->initval, sizeof(h->initval));
 551         h->timeout = IPSET_NO_TIMEOUT;
 552
 553         hbits = htable_bits(hashsize);
 554         h->table = ip_set_alloc(
 555                         sizeof(struct htable)
 556                         + jhash_size(hbits) * sizeof(struct hbucket));
 557         if (!h->table) {
 558                 kfree(h);
 559                 return -ENOMEM;
 560         }
 561         h->table->htable_bits = hbits;
 562
 563         set->data = h;
 564
 565         if (tb[IPSET_ATTR_TIMEOUT]) {
 566                 h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
 567
 568                 set->variant = set->family == AF_INET
 569                         ? &hash_ipportnet4_tvariant
 570                         : &hash_ipportnet6_tvariant;
 571
 572                 if (set->family == AF_INET)
 573                         hash_ipportnet4_gc_init(set);
 574                 else
 575                         hash_ipportnet6_gc_init(set);
 576         } else {
 577                 set->variant = set->family == AF_INET
 578                         ? &hash_ipportnet4_variant : &hash_ipportnet6_variant;
 579         }
 580
 581         pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
 582                  set->name, jhash_size(h->table->htable_bits),
 583                  h->table->htable_bits, h->maxelem, set->data, h->table);
 584
 585         return 0;
 586 }
 587
 588 static struct ip_set_type hash_ipportnet_type __read_mostly = {
 589         .name           = "hash:ip,port,net",
 590         .protocol       = IPSET_PROTOCOL,
 591         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
 592         .dimension      = IPSET_DIM_THREE,
 593         .family         = AF_UNSPEC,
 594         .revision       = 0,
 595         .create         = hash_ipportnet_create,
 596         .create_policy  = {
 597                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 598                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 599                 [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
 600                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
 601                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 602         },
 603         .adt_policy     = {
 604                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
 605                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
 606                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
 607                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
 608                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
 609                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
 610                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
 611                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
 612                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 613                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
 614         },
 615         .me             = THIS_MODULE,
 616 };
 617
 618 static int __init
 619 hash_ipportnet_init(void)
 620 {
 621         return ip_set_type_register(&hash_ipportnet_type);
 622 }
 623
 624 static void __exit
 625 hash_ipportnet_fini(void)
 626 {
 627         ip_set_type_unregister(&hash_ipportnet_type);
 628 }
 629
 630 module_init(hash_ipportnet_init);
 631 module_exit(hash_ipportnet_fini);