net/netfilter/ipset/ip_set_hash_netportnet.c

   1 /* Copyright (C) 2003-2013 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_getport.h>
  25 #include <linux/netfilter/ipset/ip_set_hash.h>
  26
  27 #define IPSET_TYPE_REV_MIN      0
  28 /*                              0    Comments support added */
  29 /*                              1    Forceadd support added */
  30 #define IPSET_TYPE_REV_MAX      2 /* skbinfo support added */
  31
  32 MODULE_LICENSE("GPL");
  33 MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
  34 IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
  35 MODULE_ALIAS("ip_set_hash:net,port,net");
  36
  37 /* Type specific function prefix */
  38 #define HTYPE           hash_netportnet
  39 #define IP_SET_HASH_WITH_PROTO
  40 #define IP_SET_HASH_WITH_NETS
  41 #define IPSET_NET_COUNT 2
  42
  43 /* IPv4 variant */
  44
  45 /* Member elements */
  46 struct hash_netportnet4_elem {
  47         union {
  48                 __be32 ip[2];
  49                 __be64 ipcmp;
  50         };
  51         __be16 port;
  52         union {
  53                 u8 cidr[2];
  54                 u16 ccmp;
  55         };
  56         u16 padding;
  57         u8 nomatch;
  58         u8 proto;
  59 };
  60
  61 /* Common functions */
  62
  63 static inline bool
  64 hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
  65                             const struct hash_netportnet4_elem *ip2,
  66                             u32 *multi)
  67 {
  68         return ip1->ipcmp == ip2->ipcmp &&
  69                ip1->ccmp == ip2->ccmp &&
  70                ip1->port == ip2->port &&
  71                ip1->proto == ip2->proto;
  72 }
  73
  74 static inline int
  75 hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
  76 {
  77         return elem->nomatch ? -ENOTEMPTY : 1;
  78 }
  79
  80 static inline void
  81 hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
  82 {
  83         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
  84 }
  85
  86 static inline void
  87 hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
  88 {
  89         swap(*flags, elem->nomatch);
  90 }
  91
  92 static inline void
  93 hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
  94                                  struct hash_netportnet4_elem *orig)
  95 {
  96         elem->ip[1] = orig->ip[1];
  97 }
  98
  99 static inline void
 100 hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
 101                               u8 cidr, bool inner)
 102 {
 103         if (inner) {
 104                 elem->ip[1] &= ip_set_netmask(cidr);
 105                 elem->cidr[1] = cidr;
 106         } else {
 107                 elem->ip[0] &= ip_set_netmask(cidr);
 108                 elem->cidr[0] = cidr;
 109         }
 110 }
 111
 112 static bool
 113 hash_netportnet4_data_list(struct sk_buff *skb,
 114                            const struct hash_netportnet4_elem *data)
 115 {
 116         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 117
 118         if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
 119             nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
 120             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 121             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 122             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 123             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 124             (flags &&
 125              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 126                 goto nla_put_failure;
 127         return false;
 128
 129 nla_put_failure:
 130         return true;
 131 }
 132
 133 static inline void
 134 hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
 135                            const struct hash_netportnet4_elem *d)
 136 {
 137         next->ipcmp = d->ipcmp;
 138         next->port = d->port;
 139 }
 140
 141 #define MTYPE           hash_netportnet4
 142 #define HOST_MASK       32
 143 #include "ip_set_hash_gen.h"
 144
 145 static void
 146 hash_netportnet4_init(struct hash_netportnet4_elem *e)
 147 {
 148         e->cidr[0] = HOST_MASK;
 149         e->cidr[1] = HOST_MASK;
 150 }
 151
 152 static int
 153 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 154                       const struct xt_action_param *par,
 155                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
 156 {
 157         const struct hash_netportnet *h = set->data;
 158         ipset_adtfn adtfn = set->variant->adt[adt];
 159         struct hash_netportnet4_elem e = { };
 160         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 161
 162         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 163         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 164         if (adt == IPSET_TEST)
 165                 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
 166
 167         if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 168                                  &e.port, &e.proto))
 169                 return -EINVAL;
 170
 171         ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
 172         ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
 173         e.ip[0] &= ip_set_netmask(e.cidr[0]);
 174         e.ip[1] &= ip_set_netmask(e.cidr[1]);
 175
 176         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 177 }
 178
 179 static int
 180 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 181                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 182 {
 183         const struct hash_netportnet *h = set->data;
 184         ipset_adtfn adtfn = set->variant->adt[adt];
 185         struct hash_netportnet4_elem e = { };
 186         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 187         u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
 188         u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
 189         bool with_ports = false;
 190         int ret;
 191
 192         if (tb[IPSET_ATTR_LINENO])
 193                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 194
 195         hash_netportnet4_init(&e);
 196         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 197                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 198                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 199                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 200                 return -IPSET_ERR_PROTOCOL;
 201
 202         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
 203         if (ret)
 204                 return ret;
 205
 206         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
 207         if (ret)
 208                 return ret;
 209
 210         ret = ip_set_get_extensions(set, tb, &ext);
 211         if (ret)
 212                 return ret;
 213
 214         if (tb[IPSET_ATTR_CIDR]) {
 215                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 216                 if (!e.cidr[0] || e.cidr[0] > HOST_MASK)
 217                         return -IPSET_ERR_INVALID_CIDR;
 218         }
 219
 220         if (tb[IPSET_ATTR_CIDR2]) {
 221                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 222                 if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
 223                         return -IPSET_ERR_INVALID_CIDR;
 224         }
 225
 226         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 227
 228         if (tb[IPSET_ATTR_PROTO]) {
 229                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 230                 with_ports = ip_set_proto_with_ports(e.proto);
 231
 232                 if (e.proto == 0)
 233                         return -IPSET_ERR_INVALID_PROTO;
 234         } else {
 235                 return -IPSET_ERR_MISSING_PROTO;
 236         }
 237
 238         if (!(with_ports || e.proto == IPPROTO_ICMP))
 239                 e.port = 0;
 240
 241         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 242                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 243
 244                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 245                         flags |= (IPSET_FLAG_NOMATCH << 16);
 246         }
 247
 248         with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
 249         if (adt == IPSET_TEST ||
 250             !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
 251                 e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
 252                 e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
 253                 ret = adtfn(set, &e, &ext, &ext, flags);
 254                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 255                        ip_set_eexist(ret, flags) ? 0 : ret;
 256         }
 257
 258         ip_to = ip;
 259         if (tb[IPSET_ATTR_IP_TO]) {
 260                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 261                 if (ret)
 262                         return ret;
 263                 if (ip > ip_to)
 264                         swap(ip, ip_to);
 265                 if (unlikely(ip + UINT_MAX == ip_to))
 266                         return -IPSET_ERR_HASH_RANGE;
 267         } else {
 268                 ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
 269         }
 270
 271         port_to = port = ntohs(e.port);
 272         if (tb[IPSET_ATTR_PORT_TO]) {
 273                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 274                 if (port > port_to)
 275                         swap(port, port_to);
 276         }
 277
 278         ip2_to = ip2_from;
 279         if (tb[IPSET_ATTR_IP2_TO]) {
 280                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
 281                 if (ret)
 282                         return ret;
 283                 if (ip2_from > ip2_to)
 284                         swap(ip2_from, ip2_to);
 285                 if (unlikely(ip2_from + UINT_MAX == ip2_to))
 286                         return -IPSET_ERR_HASH_RANGE;
 287         } else {
 288                 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
 289         }
 290
 291         if (retried)
 292                 ip = ntohl(h->next.ip[0]);
 293
 294         while (!after(ip, ip_to)) {
 295                 e.ip[0] = htonl(ip);
 296                 ip_last = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
 297                 p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
 298                                                           : port;
 299                 for (; p <= port_to; p++) {
 300                         e.port = htons(p);
 301                         ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
 302                                p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
 303                                                          : ip2_from;
 304                         while (!after(ip2, ip2_to)) {
 305                                 e.ip[1] = htonl(ip2);
 306                                 ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
 307                                                                 &e.cidr[1]);
 308                                 ret = adtfn(set, &e, &ext, &ext, flags);
 309                                 if (ret && !ip_set_eexist(ret, flags))
 310                                         return ret;
 311
 312                                 ret = 0;
 313                                 ip2 = ip2_last + 1;
 314                         }
 315                 }
 316                 ip = ip_last + 1;
 317         }
 318         return ret;
 319 }
 320
 321 /* IPv6 variant */
 322
 323 struct hash_netportnet6_elem {
 324         union nf_inet_addr ip[2];
 325         __be16 port;
 326         union {
 327                 u8 cidr[2];
 328                 u16 ccmp;
 329         };
 330         u16 padding;
 331         u8 nomatch;
 332         u8 proto;
 333 };
 334
 335 /* Common functions */
 336
 337 static inline bool
 338 hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
 339                             const struct hash_netportnet6_elem *ip2,
 340                             u32 *multi)
 341 {
 342         return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
 343                ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
 344                ip1->ccmp == ip2->ccmp &&
 345                ip1->port == ip2->port &&
 346                ip1->proto == ip2->proto;
 347 }
 348
 349 static inline int
 350 hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
 351 {
 352         return elem->nomatch ? -ENOTEMPTY : 1;
 353 }
 354
 355 static inline void
 356 hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
 357 {
 358         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
 359 }
 360
 361 static inline void
 362 hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
 363 {
 364         swap(*flags, elem->nomatch);
 365 }
 366
 367 static inline void
 368 hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
 369                                  struct hash_netportnet6_elem *orig)
 370 {
 371         elem->ip[1] = orig->ip[1];
 372 }
 373
 374 static inline void
 375 hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
 376                               u8 cidr, bool inner)
 377 {
 378         if (inner) {
 379                 ip6_netmask(&elem->ip[1], cidr);
 380                 elem->cidr[1] = cidr;
 381         } else {
 382                 ip6_netmask(&elem->ip[0], cidr);
 383                 elem->cidr[0] = cidr;
 384         }
 385 }
 386
 387 static bool
 388 hash_netportnet6_data_list(struct sk_buff *skb,
 389                            const struct hash_netportnet6_elem *data)
 390 {
 391         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 392
 393         if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
 394             nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
 395             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 396             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 397             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 398             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 399             (flags &&
 400              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 401                 goto nla_put_failure;
 402         return false;
 403
 404 nla_put_failure:
 405         return true;
 406 }
 407
 408 static inline void
 409 hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
 410                            const struct hash_netportnet6_elem *d)
 411 {
 412         next->port = d->port;
 413 }
 414
 415 #undef MTYPE
 416 #undef HOST_MASK
 417
 418 #define MTYPE           hash_netportnet6
 419 #define HOST_MASK       128
 420 #define IP_SET_EMIT_CREATE
 421 #include "ip_set_hash_gen.h"
 422
 423 static void
 424 hash_netportnet6_init(struct hash_netportnet6_elem *e)
 425 {
 426         e->cidr[0] = HOST_MASK;
 427         e->cidr[1] = HOST_MASK;
 428 }
 429
 430 static int
 431 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 432                       const struct xt_action_param *par,
 433                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
 434 {
 435         const struct hash_netportnet *h = set->data;
 436         ipset_adtfn adtfn = set->variant->adt[adt];
 437         struct hash_netportnet6_elem e = { };
 438         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 439
 440         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 441         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 442         if (adt == IPSET_TEST)
 443                 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
 444
 445         if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 446                                  &e.port, &e.proto))
 447                 return -EINVAL;
 448
 449         ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
 450         ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
 451         ip6_netmask(&e.ip[0], e.cidr[0]);
 452         ip6_netmask(&e.ip[1], e.cidr[1]);
 453
 454         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 455 }
 456
 457 static int
 458 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 459                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 460 {
 461         const struct hash_netportnet *h = set->data;
 462         ipset_adtfn adtfn = set->variant->adt[adt];
 463         struct hash_netportnet6_elem e = { };
 464         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 465         u32 port, port_to;
 466         bool with_ports = false;
 467         int ret;
 468
 469         if (tb[IPSET_ATTR_LINENO])
 470                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 471
 472         hash_netportnet6_init(&e);
 473         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 474                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 475                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 476                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 477                 return -IPSET_ERR_PROTOCOL;
 478         if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
 479                 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 480
 481         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
 482         if (ret)
 483                 return ret;
 484
 485         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
 486         if (ret)
 487                 return ret;
 488
 489         ret = ip_set_get_extensions(set, tb, &ext);
 490         if (ret)
 491                 return ret;
 492
 493         if (tb[IPSET_ATTR_CIDR]) {
 494                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 495                 if (!e.cidr[0] || e.cidr[0] > HOST_MASK)
 496                         return -IPSET_ERR_INVALID_CIDR;
 497         }
 498
 499         if (tb[IPSET_ATTR_CIDR2]) {
 500                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 501                 if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
 502                         return -IPSET_ERR_INVALID_CIDR;
 503         }
 504
 505         ip6_netmask(&e.ip[0], e.cidr[0]);
 506         ip6_netmask(&e.ip[1], e.cidr[1]);
 507
 508         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 509
 510         if (tb[IPSET_ATTR_PROTO]) {
 511                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 512                 with_ports = ip_set_proto_with_ports(e.proto);
 513
 514                 if (e.proto == 0)
 515                         return -IPSET_ERR_INVALID_PROTO;
 516         } else {
 517                 return -IPSET_ERR_MISSING_PROTO;
 518         }
 519
 520         if (!(with_ports || e.proto == IPPROTO_ICMPV6))
 521                 e.port = 0;
 522
 523         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 524                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 525
 526                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 527                         flags |= (IPSET_FLAG_NOMATCH << 16);
 528         }
 529
 530         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 531                 ret = adtfn(set, &e, &ext, &ext, flags);
 532                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 533                        ip_set_eexist(ret, flags) ? 0 : ret;
 534         }
 535
 536         port = ntohs(e.port);
 537         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 538         if (port > port_to)
 539                 swap(port, port_to);
 540
 541         if (retried)
 542                 port = ntohs(h->next.port);
 543         for (; port <= port_to; port++) {
 544                 e.port = htons(port);
 545                 ret = adtfn(set, &e, &ext, &ext, flags);
 546
 547                 if (ret && !ip_set_eexist(ret, flags))
 548                         return ret;
 549
 550                 ret = 0;
 551         }
 552         return ret;
 553 }
 554
 555 static struct ip_set_type hash_netportnet_type __read_mostly = {
 556         .name           = "hash:net,port,net",
 557         .protocol       = IPSET_PROTOCOL,
 558         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
 559                           IPSET_TYPE_NOMATCH,
 560         .dimension      = IPSET_DIM_THREE,
 561         .family         = NFPROTO_UNSPEC,
 562         .revision_min   = IPSET_TYPE_REV_MIN,
 563         .revision_max   = IPSET_TYPE_REV_MAX,
 564         .create         = hash_netportnet_create,
 565         .create_policy  = {
 566                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 567                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 568                 [IPSET_ATTR_PROBES]     = { .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);