linux/net/netfilter/ipset/ip_set_hash_netportnet.c
<<
>>
Prefs
   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
  29MODULE_LICENSE("GPL");
  30MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
  31IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
  32MODULE_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 */
  43struct 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
  60static bool
  61hash_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
  71static int
  72hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
  73{
  74        return elem->nomatch ? -ENOTEMPTY : 1;
  75}
  76
  77static void
  78hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
  79{
  80        elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
  81}
  82
  83static void
  84hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
  85{
  86        swap(*flags, elem->nomatch);
  87}
  88
  89static void
  90hash_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
  96static void
  97hash_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
 109static bool
 110hash_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
 126nla_put_failure:
 127        return true;
 128}
 129
 130static void
 131hash_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
 142static void
 143hash_netportnet4_init(struct hash_netportnet4_elem *e)
 144{
 145        e->cidr[0] = HOST_MASK;
 146        e->cidr[1] = HOST_MASK;
 147}
 148
 149static int
 150hash_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
 176static int
 177hash_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, ipn;
 186        u64 n = 0, m = 0;
 187        bool with_ports = false;
 188        int ret;
 189
 190        if (tb[IPSET_ATTR_LINENO])
 191                *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 192
 193        hash_netportnet4_init(&e);
 194        if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 195                     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 196                     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 197                     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 198                return -IPSET_ERR_PROTOCOL;
 199
 200        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
 201        if (ret)
 202                return ret;
 203
 204        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
 205        if (ret)
 206                return ret;
 207
 208        ret = ip_set_get_extensions(set, tb, &ext);
 209        if (ret)
 210                return ret;
 211
 212        if (tb[IPSET_ATTR_CIDR]) {
 213                e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 214                if (e.cidr[0] > HOST_MASK)
 215                        return -IPSET_ERR_INVALID_CIDR;
 216        }
 217
 218        if (tb[IPSET_ATTR_CIDR2]) {
 219                e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 220                if (e.cidr[1] > HOST_MASK)
 221                        return -IPSET_ERR_INVALID_CIDR;
 222        }
 223
 224        e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 225
 226        if (tb[IPSET_ATTR_PROTO]) {
 227                e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 228                with_ports = ip_set_proto_with_ports(e.proto);
 229
 230                if (e.proto == 0)
 231                        return -IPSET_ERR_INVALID_PROTO;
 232        } else {
 233                return -IPSET_ERR_MISSING_PROTO;
 234        }
 235
 236        if (!(with_ports || e.proto == IPPROTO_ICMP))
 237                e.port = 0;
 238
 239        if (tb[IPSET_ATTR_CADT_FLAGS]) {
 240                u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 241
 242                if (cadt_flags & IPSET_FLAG_NOMATCH)
 243                        flags |= (IPSET_FLAG_NOMATCH << 16);
 244        }
 245
 246        with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
 247        if (adt == IPSET_TEST ||
 248            !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
 249                e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
 250                e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
 251                ret = adtfn(set, &e, &ext, &ext, flags);
 252                return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 253                       ip_set_eexist(ret, flags) ? 0 : ret;
 254        }
 255
 256        ip_to = ip;
 257        if (tb[IPSET_ATTR_IP_TO]) {
 258                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 259                if (ret)
 260                        return ret;
 261                if (ip > ip_to)
 262                        swap(ip, ip_to);
 263                if (unlikely(ip + UINT_MAX == ip_to))
 264                        return -IPSET_ERR_HASH_RANGE;
 265        } else {
 266                ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
 267        }
 268
 269        port_to = port = ntohs(e.port);
 270        if (tb[IPSET_ATTR_PORT_TO]) {
 271                port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 272                if (port > port_to)
 273                        swap(port, port_to);
 274        }
 275
 276        ip2_to = ip2_from;
 277        if (tb[IPSET_ATTR_IP2_TO]) {
 278                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
 279                if (ret)
 280                        return ret;
 281                if (ip2_from > ip2_to)
 282                        swap(ip2_from, ip2_to);
 283                if (unlikely(ip2_from + UINT_MAX == ip2_to))
 284                        return -IPSET_ERR_HASH_RANGE;
 285        } else {
 286                ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
 287        }
 288        ipn = ip;
 289        do {
 290                ipn = ip_set_range_to_cidr(ipn, ip_to, &e.cidr[0]);
 291                n++;
 292        } while (ipn++ < ip_to);
 293        ipn = ip2_from;
 294        do {
 295                ipn = ip_set_range_to_cidr(ipn, ip2_to, &e.cidr[1]);
 296                m++;
 297        } while (ipn++ < ip2_to);
 298
 299        if (n*m*(port_to - port + 1) > IPSET_MAX_RANGE)
 300                return -ERANGE;
 301
 302        if (retried) {
 303                ip = ntohl(h->next.ip[0]);
 304                p = ntohs(h->next.port);
 305                ip2 = ntohl(h->next.ip[1]);
 306        } else {
 307                p = port;
 308                ip2 = ip2_from;
 309        }
 310
 311        do {
 312                e.ip[0] = htonl(ip);
 313                ip = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
 314                for (; p <= port_to; p++) {
 315                        e.port = htons(p);
 316                        do {
 317                                e.ip[1] = htonl(ip2);
 318                                ip2 = ip_set_range_to_cidr(ip2, ip2_to,
 319                                                           &e.cidr[1]);
 320                                ret = adtfn(set, &e, &ext, &ext, flags);
 321                                if (ret && !ip_set_eexist(ret, flags))
 322                                        return ret;
 323
 324                                ret = 0;
 325                        } while (ip2++ < ip2_to);
 326                        ip2 = ip2_from;
 327                }
 328                p = port;
 329        } while (ip++ < ip_to);
 330        return ret;
 331}
 332
 333/* IPv6 variant */
 334
 335struct hash_netportnet6_elem {
 336        union nf_inet_addr ip[2];
 337        __be16 port;
 338        union {
 339                u8 cidr[2];
 340                u16 ccmp;
 341        };
 342        u16 padding;
 343        u8 nomatch;
 344        u8 proto;
 345};
 346
 347/* Common functions */
 348
 349static bool
 350hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
 351                            const struct hash_netportnet6_elem *ip2,
 352                            u32 *multi)
 353{
 354        return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
 355               ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
 356               ip1->ccmp == ip2->ccmp &&
 357               ip1->port == ip2->port &&
 358               ip1->proto == ip2->proto;
 359}
 360
 361static int
 362hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
 363{
 364        return elem->nomatch ? -ENOTEMPTY : 1;
 365}
 366
 367static void
 368hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
 369{
 370        elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
 371}
 372
 373static void
 374hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
 375{
 376        swap(*flags, elem->nomatch);
 377}
 378
 379static void
 380hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
 381                                 struct hash_netportnet6_elem *orig)
 382{
 383        elem->ip[1] = orig->ip[1];
 384}
 385
 386static void
 387hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
 388                              u8 cidr, bool inner)
 389{
 390        if (inner) {
 391                ip6_netmask(&elem->ip[1], cidr);
 392                elem->cidr[1] = cidr;
 393        } else {
 394                ip6_netmask(&elem->ip[0], cidr);
 395                elem->cidr[0] = cidr;
 396        }
 397}
 398
 399static bool
 400hash_netportnet6_data_list(struct sk_buff *skb,
 401                           const struct hash_netportnet6_elem *data)
 402{
 403        u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 404
 405        if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
 406            nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
 407            nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 408            nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 409            nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 410            nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 411            (flags &&
 412             nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 413                goto nla_put_failure;
 414        return false;
 415
 416nla_put_failure:
 417        return true;
 418}
 419
 420static void
 421hash_netportnet6_data_next(struct hash_netportnet6_elem *next,
 422                           const struct hash_netportnet6_elem *d)
 423{
 424        next->port = d->port;
 425}
 426
 427#undef MTYPE
 428#undef HOST_MASK
 429
 430#define MTYPE           hash_netportnet6
 431#define HOST_MASK       128
 432#define IP_SET_EMIT_CREATE
 433#include "ip_set_hash_gen.h"
 434
 435static void
 436hash_netportnet6_init(struct hash_netportnet6_elem *e)
 437{
 438        e->cidr[0] = HOST_MASK;
 439        e->cidr[1] = HOST_MASK;
 440}
 441
 442static int
 443hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 444                      const struct xt_action_param *par,
 445                      enum ipset_adt adt, struct ip_set_adt_opt *opt)
 446{
 447        const struct hash_netportnet6 *h = set->data;
 448        ipset_adtfn adtfn = set->variant->adt[adt];
 449        struct hash_netportnet6_elem e = { };
 450        struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 451
 452        e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 453        e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 454        if (adt == IPSET_TEST)
 455                e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
 456
 457        if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 458                                 &e.port, &e.proto))
 459                return -EINVAL;
 460
 461        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
 462        ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
 463        ip6_netmask(&e.ip[0], e.cidr[0]);
 464        ip6_netmask(&e.ip[1], e.cidr[1]);
 465
 466        return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 467}
 468
 469static int
 470hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 471                      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 472{
 473        const struct hash_netportnet6 *h = set->data;
 474        ipset_adtfn adtfn = set->variant->adt[adt];
 475        struct hash_netportnet6_elem e = { };
 476        struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 477        u32 port, port_to;
 478        bool with_ports = false;
 479        int ret;
 480
 481        if (tb[IPSET_ATTR_LINENO])
 482                *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 483
 484        hash_netportnet6_init(&e);
 485        if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 486                     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 487                     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 488                     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 489                return -IPSET_ERR_PROTOCOL;
 490        if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
 491                return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 492
 493        ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
 494        if (ret)
 495                return ret;
 496
 497        ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
 498        if (ret)
 499                return ret;
 500
 501        ret = ip_set_get_extensions(set, tb, &ext);
 502        if (ret)
 503                return ret;
 504
 505        if (tb[IPSET_ATTR_CIDR]) {
 506                e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 507                if (e.cidr[0] > HOST_MASK)
 508                        return -IPSET_ERR_INVALID_CIDR;
 509        }
 510
 511        if (tb[IPSET_ATTR_CIDR2]) {
 512                e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 513                if (e.cidr[1] > HOST_MASK)
 514                        return -IPSET_ERR_INVALID_CIDR;
 515        }
 516
 517        ip6_netmask(&e.ip[0], e.cidr[0]);
 518        ip6_netmask(&e.ip[1], e.cidr[1]);
 519
 520        e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 521
 522        if (tb[IPSET_ATTR_PROTO]) {
 523                e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 524                with_ports = ip_set_proto_with_ports(e.proto);
 525
 526                if (e.proto == 0)
 527                        return -IPSET_ERR_INVALID_PROTO;
 528        } else {
 529                return -IPSET_ERR_MISSING_PROTO;
 530        }
 531
 532        if (!(with_ports || e.proto == IPPROTO_ICMPV6))
 533                e.port = 0;
 534
 535        if (tb[IPSET_ATTR_CADT_FLAGS]) {
 536                u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 537
 538                if (cadt_flags & IPSET_FLAG_NOMATCH)
 539                        flags |= (IPSET_FLAG_NOMATCH << 16);
 540        }
 541
 542        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 543                ret = adtfn(set, &e, &ext, &ext, flags);
 544                return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 545                       ip_set_eexist(ret, flags) ? 0 : ret;
 546        }
 547
 548        port = ntohs(e.port);
 549        port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 550        if (port > port_to)
 551                swap(port, port_to);
 552
 553        if (retried)
 554                port = ntohs(h->next.port);
 555        for (; port <= port_to; port++) {
 556                e.port = htons(port);
 557                ret = adtfn(set, &e, &ext, &ext, flags);
 558
 559                if (ret && !ip_set_eexist(ret, flags))
 560                        return ret;
 561
 562                ret = 0;
 563        }
 564        return ret;
 565}
 566
 567static struct ip_set_type hash_netportnet_type __read_mostly = {
 568        .name           = "hash:net,port,net",
 569        .protocol       = IPSET_PROTOCOL,
 570        .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
 571                          IPSET_TYPE_NOMATCH,
 572        .dimension      = IPSET_DIM_THREE,
 573        .family         = NFPROTO_UNSPEC,
 574        .revision_min   = IPSET_TYPE_REV_MIN,
 575        .revision_max   = IPSET_TYPE_REV_MAX,
 576        .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE,
 577        .create         = hash_netportnet_create,
 578        .create_policy  = {
 579                [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 580                [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 581                [IPSET_ATTR_INITVAL]    = { .type = NLA_U32 },
 582                [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 },
 583                [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
 584                [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 585                [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 586        },
 587        .adt_policy     = {
 588                [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
 589                [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
 590                [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
 591                [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
 592                [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
 593                [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
 594                [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
 595                [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
 596                [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
 597                [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 598                [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 599                [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
 600                [IPSET_ATTR_BYTES]      = { .type = NLA_U64 },
 601                [IPSET_ATTR_PACKETS]    = { .type = NLA_U64 },
 602                [IPSET_ATTR_COMMENT]    = { .type = NLA_NUL_STRING,
 603                                            .len  = IPSET_MAX_COMMENT_SIZE },
 604                [IPSET_ATTR_SKBMARK]    = { .type = NLA_U64 },
 605                [IPSET_ATTR_SKBPRIO]    = { .type = NLA_U32 },
 606                [IPSET_ATTR_SKBQUEUE]   = { .type = NLA_U16 },
 607        },
 608        .me             = THIS_MODULE,
 609};
 610
 611static int __init
 612hash_netportnet_init(void)
 613{
 614        return ip_set_type_register(&hash_netportnet_type);
 615}
 616
 617static void __exit
 618hash_netportnet_fini(void)
 619{
 620        rcu_barrier();
 621        ip_set_type_unregister(&hash_netportnet_type);
 622}
 623
 624module_init(hash_netportnet_init);
 625module_exit(hash_netportnet_fini);
 626