net/netfilter/ipset/ip_set_hash_netportnet.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org> */
   3
   4 /* Kernel module implementing an IP set type: the hash:ip,port,net type */
   5
   6 #include <linux/jhash.h>
   7 #include <linux/module.h>
   8 #include <linux/ip.h>
   9 #include <linux/skbuff.h>
  10 #include <linux/errno.h>
  11 #include <linux/random.h>
  12 #include <net/ip.h>
  13 #include <net/ipv6.h>
  14 #include <net/netlink.h>
  15 #include <net/tcp.h>
  16
  17 #include <linux/netfilter.h>
  18 #include <linux/netfilter/ipset/pfxlen.h>
  19 #include <linux/netfilter/ipset/ip_set.h>
  20 #include <linux/netfilter/ipset/ip_set_getport.h>
  21 #include <linux/netfilter/ipset/ip_set_hash.h>
  22
  23 #define IPSET_TYPE_REV_MIN      0
  24 /*                              0    Comments support added */
  25 /*                              1    Forceadd support added */
  26 /*                              2    skbinfo support added */
  27 #define IPSET_TYPE_REV_MAX      3 /* bucketsize, initval support added */
  28
  29 MODULE_LICENSE("GPL");
  30 MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
  31 IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
  32 MODULE_ALIAS("ip_set_hash:net,port,net");
  33
  34 /* Type specific function prefix */
  35 #define HTYPE           hash_netportnet
  36 #define IP_SET_HASH_WITH_PROTO
  37 #define IP_SET_HASH_WITH_NETS
  38 #define IPSET_NET_COUNT 2
  39
  40 /* IPv4 variant */
  41
  42 /* Member elements */
  43 struct hash_netportnet4_elem {
  44         union {
  45                 __be32 ip[2];
  46                 __be64 ipcmp;
  47         };
  48         __be16 port;
  49         union {
  50                 u8 cidr[2];
  51                 u16 ccmp;
  52         };
  53         u16 padding;
  54         u8 nomatch;
  55         u8 proto;
  56 };
  57
  58 /* Common functions */
  59
  60 static bool
  61 hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
  62                             const struct hash_netportnet4_elem *ip2,
  63                             u32 *multi)
  64 {
  65         return ip1->ipcmp == ip2->ipcmp &&
  66                ip1->ccmp == ip2->ccmp &&
  67                ip1->port == ip2->port &&
  68                ip1->proto == ip2->proto;
  69 }
  70
  71 static int
  72 hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
  73 {
  74         return elem->nomatch ? -ENOTEMPTY : 1;
  75 }
  76
  77 static void
  78 hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
  79 {
  80         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
  81 }
  82
  83 static void
  84 hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
  85 {
  86         swap(*flags, elem->nomatch);
  87 }
  88
  89 static void
  90 hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
  91                                  struct hash_netportnet4_elem *orig)
  92 {
  93         elem->ip[1] = orig->ip[1];
  94 }
  95
  96 static void
  97 hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
  98                               u8 cidr, bool inner)
  99 {
 100         if (inner) {
 101                 elem->ip[1] &= ip_set_netmask(cidr);
 102                 elem->cidr[1] = cidr;
 103         } else {
 104                 elem->ip[0] &= ip_set_netmask(cidr);
 105                 elem->cidr[0] = cidr;
 106         }
 107 }
 108
 109 static bool
 110 hash_netportnet4_data_list(struct sk_buff *skb,
 111                            const struct hash_netportnet4_elem *data)
 112 {
 113         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 114
 115         if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
 116             nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
 117             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 118             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 119             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 120             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 121             (flags &&
 122              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 123                 goto nla_put_failure;
 124         return false;
 125
 126 nla_put_failure:
 127         return true;
 128 }
 129
 130 static void
 131 hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
 132                            const struct hash_netportnet4_elem *d)
 133 {
 134         next->ipcmp = d->ipcmp;
 135         next->port = d->port;
 136 }
 137
 138 #define MTYPE           hash_netportnet4
 139 #define HOST_MASK       32
 140 #include "ip_set_hash_gen.h"
 141
 142 static void
 143 hash_netportnet4_init(struct hash_netportnet4_elem *e)
 144 {
 145         e->cidr[0] = HOST_MASK;
 146         e->cidr[1] = HOST_MASK;
 147 }
 148
 149 static int
 150 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 151                       const struct xt_action_param *par,
 152                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
 153 {
 154         const struct hash_netportnet4 *h = set->data;
 155         ipset_adtfn adtfn = set->variant->adt[adt];
 156         struct hash_netportnet4_elem e = { };
 157         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 158
 159         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 160         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 161         if (adt == IPSET_TEST)
 162                 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
 163
 164         if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 165                                  &e.port, &e.proto))
 166                 return -EINVAL;
 167
 168         ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
 169         ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
 170         e.ip[0] &= ip_set_netmask(e.cidr[0]);
 171         e.ip[1] &= ip_set_netmask(e.cidr[1]);
 172
 173         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 174 }
 175
 176 static int
 177 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 178                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 179 {
 180         const struct hash_netportnet4 *h = set->data;
 181         ipset_adtfn adtfn = set->variant->adt[adt];
 182         struct hash_netportnet4_elem e = { };
 183         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 184         u32 ip = 0, ip_to = 0, p = 0, port, port_to;
 185         u32 ip2_from = 0, ip2_to = 0, ip2;
 186         bool with_ports = false;
 187         int ret;
 188
 189         if (tb[IPSET_ATTR_LINENO])
 190                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 191
 192         hash_netportnet4_init(&e);
 193         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 194                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 195                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 196                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 197                 return -IPSET_ERR_PROTOCOL;
 198
 199         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
 200         if (ret)
 201                 return ret;
 202
 203         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
 204         if (ret)
 205                 return ret;
 206
 207         ret = ip_set_get_extensions(set, tb, &ext);
 208         if (ret)
 209                 return ret;
 210
 211         if (tb[IPSET_ATTR_CIDR]) {
 212                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 213                 if (e.cidr[0] > HOST_MASK)
 214                         return -IPSET_ERR_INVALID_CIDR;
 215         }
 216
 217         if (tb[IPSET_ATTR_CIDR2]) {
 218                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 219                 if (e.cidr[1] > HOST_MASK)
 220                         return -IPSET_ERR_INVALID_CIDR;
 221         }
 222
 223         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 224
 225         if (tb[IPSET_ATTR_PROTO]) {
 226                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 227                 with_ports = ip_set_proto_with_ports(e.proto);
 228
 229                 if (e.proto == 0)
 230                         return -IPSET_ERR_INVALID_PROTO;
 231         } else {
 232                 return -IPSET_ERR_MISSING_PROTO;
 233         }
 234
 235         if (!(with_ports || e.proto == IPPROTO_ICMP))
 236                 e.port = 0;
 237
 238         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 239                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 240
 241                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 242                         flags |= (IPSET_FLAG_NOMATCH << 16);
 243         }
 244
 245         with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
 246         if (adt == IPSET_TEST ||
 247             !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
 248                 e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
 249                 e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
 250                 ret = adtfn(set, &e, &ext, &ext, flags);
 251                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 252                        ip_set_eexist(ret, flags) ? 0 : ret;
 253         }
 254
 255         ip_to = ip;
 256         if (tb[IPSET_ATTR_IP_TO]) {
 257                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 258                 if (ret)
 259                         return ret;
 260                 if (ip > ip_to)
 261                         swap(ip, ip_to);
 262                 if (unlikely(ip + UINT_MAX == ip_to))
 263                         return -IPSET_ERR_HASH_RANGE;
 264         } else {
 265                 ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
 266         }
 267
 268         port_to = port = ntohs(e.port);
 269         if (tb[IPSET_ATTR_PORT_TO]) {
 270                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 271                 if (port > port_to)
 272                         swap(port, port_to);
 273         }
 274
 275         ip2_to = ip2_from;
 276         if (tb[IPSET_ATTR_IP2_TO]) {
 277                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
 278                 if (ret)
 279                         return ret;
 280                 if (ip2_from > ip2_to)
 281                         swap(ip2_from, ip2_to);
 282                 if (unlikely(ip2_from + UINT_MAX == ip2_to))
 283                         return -IPSET_ERR_HASH_RANGE;
 284         } else {
 285                 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
 286         }
 287
 288         if (retried) {
 289                 ip = ntohl(h->next.ip[0]);
 290                 p = ntohs(h->next.port);
 291                 ip2 = ntohl(h->next.ip[1]);
 292         } else {
 293                 p = port;
 294                 ip2 = ip2_from;
 295         }
 296
 297         do {
 298                 e.ip[0] = htonl(ip);
 299                 ip = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
 300                 for (; p <= port_to; p++) {
 301                         e.port = htons(p);
 302                         do {
 303                                 e.ip[1] = htonl(ip2);
 304                                 ip2 = ip_set_range_to_cidr(ip2, ip2_to,
 305                                                            &e.cidr[1]);
 306                                 ret = adtfn(set, &e, &ext, &ext, flags);
 307                                 if (ret && !ip_set_eexist(ret, flags))
 308                                         return ret;
 309
 310                                 ret = 0;
 311                         } while (ip2++ < ip2_to);
 312                         ip2 = ip2_from;
 313                 }
 314                 p = port;
 315         } while (ip++ < ip_to);
 316         return ret;
 317 }
 318
 319 /* IPv6 variant */
 320
 321 struct hash_netportnet6_elem {
 322         union nf_inet_addr ip[2];
 323         __be16 port;
 324         union {
 325                 u8 cidr[2];
 326                 u16 ccmp;
 327         };
 328         u16 padding;
 329         u8 nomatch;
 330         u8 proto;
 331 };
 332
 333 /* Common functions */
 334
 335 static bool
 336 hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
 337                             const struct hash_netportnet6_elem *ip2,
 338                             u32 *multi)
 339 {
 340         return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
 341                ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
 342                ip1->ccmp == ip2->ccmp &&
 343                ip1->port == ip2->port &&
 344                ip1->proto == ip2->proto;
 345 }
 346
 347 static int
 348 hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
 349 {
 350         return elem->nomatch ? -ENOTEMPTY : 1;
 351 }
 352
 353 static void
 354 hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
 355 {
 356         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
 357 }
 358
 359 static void
 360 hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
 361 {
 362         swap(*flags, elem->nomatch);
 363 }
 364
 365 static void
 366 hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
 367                                  struct hash_netportnet6_elem *orig)
 368 {
 369         elem->ip[1] = orig->ip[1];
 370 }
 371
 372 static void
 373 hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
 374                               u8 cidr, bool inner)
 375 {
 376         if (inner) {
 377                 ip6_netmask(&elem->ip[1], cidr);
 378                 elem->cidr[1] = cidr;
 379         } else {
 380                 ip6_netmask(&elem->ip[0], cidr);
 381                 elem->cidr[0] = cidr;
 382         }
 383 }
 384
 385 static bool
 386 hash_netportnet6_data_list(struct sk_buff *skb,
 387                            const struct hash_netportnet6_elem *data)
 388 {
 389         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 390
 391         if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
 392             nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
 393             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 394             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 395             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 396             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 397             (flags &&
 398              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 399                 goto nla_put_failure;
 400         return false;
 401
 402 nla_put_failure:
 403         return true;
 404 }
 405
 406 static void
 407 hash_netportnet6_data_next(struct hash_netportnet6_elem *next,
 408                            const struct hash_netportnet6_elem *d)
 409 {
 410         next->port = d->port;
 411 }
 412
 413 #undef MTYPE
 414 #undef HOST_MASK
 415
 416 #define MTYPE           hash_netportnet6
 417 #define HOST_MASK       128
 418 #define IP_SET_EMIT_CREATE
 419 #include "ip_set_hash_gen.h"
 420
 421 static void
 422 hash_netportnet6_init(struct hash_netportnet6_elem *e)
 423 {
 424         e->cidr[0] = HOST_MASK;
 425         e->cidr[1] = HOST_MASK;
 426 }
 427
 428 static int
 429 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 430                       const struct xt_action_param *par,
 431                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
 432 {
 433         const struct hash_netportnet6 *h = set->data;
 434         ipset_adtfn adtfn = set->variant->adt[adt];
 435         struct hash_netportnet6_elem e = { };
 436         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 437
 438         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 439         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 440         if (adt == IPSET_TEST)
 441                 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
 442
 443         if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 444                                  &e.port, &e.proto))
 445                 return -EINVAL;
 446
 447         ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
 448         ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
 449         ip6_netmask(&e.ip[0], e.cidr[0]);
 450         ip6_netmask(&e.ip[1], e.cidr[1]);
 451
 452         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 453 }
 454
 455 static int
 456 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 457                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 458 {
 459         const struct hash_netportnet6 *h = set->data;
 460         ipset_adtfn adtfn = set->variant->adt[adt];
 461         struct hash_netportnet6_elem e = { };
 462         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 463         u32 port, port_to;
 464         bool with_ports = false;
 465         int ret;
 466
 467         if (tb[IPSET_ATTR_LINENO])
 468                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 469
 470         hash_netportnet6_init(&e);
 471         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 472                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 473                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 474                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 475                 return -IPSET_ERR_PROTOCOL;
 476         if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
 477                 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 478
 479         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
 480         if (ret)
 481                 return ret;
 482
 483         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
 484         if (ret)
 485                 return ret;
 486
 487         ret = ip_set_get_extensions(set, tb, &ext);
 488         if (ret)
 489                 return ret;
 490
 491         if (tb[IPSET_ATTR_CIDR]) {
 492                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 493                 if (e.cidr[0] > HOST_MASK)
 494                         return -IPSET_ERR_INVALID_CIDR;
 495         }
 496
 497         if (tb[IPSET_ATTR_CIDR2]) {
 498                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 499                 if (e.cidr[1] > HOST_MASK)
 500                         return -IPSET_ERR_INVALID_CIDR;
 501         }
 502
 503         ip6_netmask(&e.ip[0], e.cidr[0]);
 504         ip6_netmask(&e.ip[1], e.cidr[1]);
 505
 506         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 507
 508         if (tb[IPSET_ATTR_PROTO]) {
 509                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 510                 with_ports = ip_set_proto_with_ports(e.proto);
 511
 512                 if (e.proto == 0)
 513                         return -IPSET_ERR_INVALID_PROTO;
 514         } else {
 515                 return -IPSET_ERR_MISSING_PROTO;
 516         }
 517
 518         if (!(with_ports || e.proto == IPPROTO_ICMPV6))
 519                 e.port = 0;
 520
 521         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 522                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 523
 524                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 525                         flags |= (IPSET_FLAG_NOMATCH << 16);
 526         }
 527
 528         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 529                 ret = adtfn(set, &e, &ext, &ext, flags);
 530                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 531                        ip_set_eexist(ret, flags) ? 0 : ret;
 532         }
 533
 534         port = ntohs(e.port);
 535         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 536         if (port > port_to)
 537                 swap(port, port_to);
 538
 539         if (retried)
 540                 port = ntohs(h->next.port);
 541         for (; port <= port_to; port++) {
 542                 e.port = htons(port);
 543                 ret = adtfn(set, &e, &ext, &ext, flags);
 544
 545                 if (ret && !ip_set_eexist(ret, flags))
 546                         return ret;
 547
 548                 ret = 0;
 549         }
 550         return ret;
 551 }
 552
 553 static struct ip_set_type hash_netportnet_type __read_mostly = {
 554         .name           = "hash:net,port,net",
 555         .protocol       = IPSET_PROTOCOL,
 556         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
 557                           IPSET_TYPE_NOMATCH,
 558         .dimension      = IPSET_DIM_THREE,
 559         .family         = NFPROTO_UNSPEC,
 560         .revision_min   = IPSET_TYPE_REV_MIN,
 561         .revision_max   = IPSET_TYPE_REV_MAX,
 562         .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE,
 563         .create         = hash_netportnet_create,
 564         .create_policy  = {
 565                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 566                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 567                 [IPSET_ATTR_INITVAL]    = { .type = NLA_U32 },
 568                 [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 },
 569                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
 570                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 571                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 572         },
 573         .adt_policy     = {
 574                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
 575                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
 576                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
 577                 [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
 578                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
 579                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
 580                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
 581                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
 582                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
 583                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 584                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 585                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
 586                 [IPSET_ATTR_BYTES]      = { .type = NLA_U64 },
 587                 [IPSET_ATTR_PACKETS]    = { .type = NLA_U64 },
 588                 [IPSET_ATTR_COMMENT]    = { .type = NLA_NUL_STRING,
 589                                             .len  = IPSET_MAX_COMMENT_SIZE },
 590                 [IPSET_ATTR_SKBMARK]    = { .type = NLA_U64 },
 591                 [IPSET_ATTR_SKBPRIO]    = { .type = NLA_U32 },
 592                 [IPSET_ATTR_SKBQUEUE]   = { .type = NLA_U16 },
 593         },
 594         .me             = THIS_MODULE,
 595 };
 596
 597 static int __init
 598 hash_netportnet_init(void)
 599 {
 600         return ip_set_type_register(&hash_netportnet_type);
 601 }
 602
 603 static void __exit
 604 hash_netportnet_fini(void)
 605 {
 606         rcu_barrier();
 607         ip_set_type_unregister(&hash_netportnet_type);
 608 }
 609
 610 module_init(hash_netportnet_init);
 611 module_exit(hash_netportnet_fini);