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 int 146 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb, 147 const struct xt_action_param *par, 148 enum ipset_adt adt, struct ip_set_adt_opt *opt) 149 { 150 const struct hash_netportnet *h = set->data; 151 ipset_adtfn adtfn = set->variant->adt[adt]; 152 struct hash_netportnet4_elem e = { }; 153 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); 154 155 e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); 156 e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); 157 if (adt == IPSET_TEST) 158 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK; 159 160 if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC, 161 &e.port, &e.proto)) 162 return -EINVAL; 163 164 ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]); 165 ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]); 166 e.ip[0] &= ip_set_netmask(e.cidr[0]); 167 e.ip[1] &= ip_set_netmask(e.cidr[1]); 168 169 return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); 170 } 171 172 static int 173 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], 174 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) 175 { 176 const struct hash_netportnet *h = set->data; 177 ipset_adtfn adtfn = set->variant->adt[adt]; 178 struct hash_netportnet4_elem e = { }; 179 struct ip_set_ext ext = IP_SET_INIT_UEXT(set); 180 u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to; 181 u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2; 182 bool with_ports = false; 183 u8 cidr, cidr2; 184 int ret; 185 186 e.cidr[0] = e.cidr[1] = HOST_MASK; 187 if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || 188 !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || 189 !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || 190 !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || 191 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) || 192 !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) || 193 !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) || 194 !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) || 195 !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) || 196 !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE))) 197 return -IPSET_ERR_PROTOCOL; 198 199 if (tb[IPSET_ATTR_LINENO]) 200 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); 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 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]); 216 if (!cidr || cidr > HOST_MASK) 217 return -IPSET_ERR_INVALID_CIDR; 218 e.cidr[0] = cidr; 219 } 220 221 if (tb[IPSET_ATTR_CIDR2]) { 222 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]); 223 if (!cidr || cidr > HOST_MASK) 224 return -IPSET_ERR_INVALID_CIDR; 225 e.cidr[1] = cidr; 226 } 227 228 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]); 229 230 if (tb[IPSET_ATTR_PROTO]) { 231 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]); 232 with_ports = ip_set_proto_with_ports(e.proto); 233 234 if (e.proto == 0) 235 return -IPSET_ERR_INVALID_PROTO; 236 } else 237 return -IPSET_ERR_MISSING_PROTO; 238 239 if (!(with_ports || e.proto == IPPROTO_ICMP)) 240 e.port = 0; 241 242 if (tb[IPSET_ATTR_CADT_FLAGS]) { 243 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); 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 port_to = port = ntohs(e.port); 271 if (tb[IPSET_ATTR_PORT_TO]) { 272 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]); 273 if (port > port_to) 274 swap(port, port_to); 275 } 276 277 ip2_to = ip2_from; 278 if (tb[IPSET_ATTR_IP2_TO]) { 279 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to); 280 if (ret) 281 return ret; 282 if (ip2_from > ip2_to) 283 swap(ip2_from, ip2_to); 284 if (unlikely(ip2_from + UINT_MAX == ip2_to)) 285 return -IPSET_ERR_HASH_RANGE; 286 } else 287 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]); 288 289 if (retried) 290 ip = ntohl(h->next.ip[0]); 291 292 while (!after(ip, ip_to)) { 293 e.ip[0] = htonl(ip); 294 ip_last = ip_set_range_to_cidr(ip, ip_to, &cidr); 295 e.cidr[0] = cidr; 296 p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port) 297 : port; 298 for (; p <= port_to; p++) { 299 e.port = htons(p); 300 ip2 = (retried && ip == ntohl(h->next.ip[0]) && 301 p == ntohs(h->next.port)) ? ntohl(h->next.ip[1]) 302 : ip2_from; 303 while (!after(ip2, ip2_to)) { 304 e.ip[1] = htonl(ip2); 305 ip2_last = ip_set_range_to_cidr(ip2, ip2_to, 306 &cidr2); 307 e.cidr[1] = cidr2; 308 ret = adtfn(set, &e, &ext, &ext, flags); 309 if (ret && !ip_set_eexist(ret, flags)) 310 return ret; 311 else 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 int 424 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb, 425 const struct xt_action_param *par, 426 enum ipset_adt adt, struct ip_set_adt_opt *opt) 427 { 428 const struct hash_netportnet *h = set->data; 429 ipset_adtfn adtfn = set->variant->adt[adt]; 430 struct hash_netportnet6_elem e = { }; 431 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); 432 433 e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); 434 e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); 435 if (adt == IPSET_TEST) 436 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK; 437 438 if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC, 439 &e.port, &e.proto)) 440 return -EINVAL; 441 442 ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6); 443 ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6); 444 ip6_netmask(&e.ip[0], e.cidr[0]); 445 ip6_netmask(&e.ip[1], e.cidr[1]); 446 447 return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); 448 } 449 450 static int 451 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[], 452 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) 453 { 454 const struct hash_netportnet *h = set->data; 455 ipset_adtfn adtfn = set->variant->adt[adt]; 456 struct hash_netportnet6_elem e = { }; 457 struct ip_set_ext ext = IP_SET_INIT_UEXT(set); 458 u32 port, port_to; 459 bool with_ports = false; 460 int ret; 461 462 e.cidr[0] = e.cidr[1] = HOST_MASK; 463 if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || 464 !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || 465 !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || 466 !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || 467 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) || 468 !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) || 469 !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) || 470 !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) || 471 !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) || 472 !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE))) 473 return -IPSET_ERR_PROTOCOL; 474 if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO])) 475 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED; 476 477 if (tb[IPSET_ATTR_LINENO]) 478 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); 479 480 ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]); 481 if (ret) 482 return ret; 483 484 ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]); 485 if (ret) 486 return ret; 487 488 ret = ip_set_get_extensions(set, tb, &ext); 489 if (ret) 490 return ret; 491 492 if (tb[IPSET_ATTR_CIDR]) 493 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]); 494 495 if (tb[IPSET_ATTR_CIDR2]) 496 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]); 497 498 if (unlikely(!e.cidr[0] || e.cidr[0] > HOST_MASK || !e.cidr[1] || 499 e.cidr[1] > HOST_MASK)) 500 return -IPSET_ERR_INVALID_CIDR; 501 502 ip6_netmask(&e.ip[0], e.cidr[0]); 503 ip6_netmask(&e.ip[1], e.cidr[1]); 504 505 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]); 506 507 if (tb[IPSET_ATTR_PROTO]) { 508 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]); 509 with_ports = ip_set_proto_with_ports(e.proto); 510 511 if (e.proto == 0) 512 return -IPSET_ERR_INVALID_PROTO; 513 } else 514 return -IPSET_ERR_MISSING_PROTO; 515 516 if (!(with_ports || e.proto == IPPROTO_ICMPV6)) 517 e.port = 0; 518 519 if (tb[IPSET_ATTR_CADT_FLAGS]) { 520 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); 521 if (cadt_flags & IPSET_FLAG_NOMATCH) 522 flags |= (IPSET_FLAG_NOMATCH << 16); 523 } 524 525 if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) { 526 ret = adtfn(set, &e, &ext, &ext, flags); 527 return ip_set_enomatch(ret, flags, adt, set) ? -ret : 528 ip_set_eexist(ret, flags) ? 0 : ret; 529 } 530 531 port = ntohs(e.port); 532 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]); 533 if (port > port_to) 534 swap(port, port_to); 535 536 if (retried) 537 port = ntohs(h->next.port); 538 for (; port <= port_to; port++) { 539 e.port = htons(port); 540 ret = adtfn(set, &e, &ext, &ext, flags); 541 542 if (ret && !ip_set_eexist(ret, flags)) 543 return ret; 544 else 545 ret = 0; 546 } 547 return ret; 548 } 549 550 static struct ip_set_type hash_netportnet_type __read_mostly = { 551 .name = "hash:net,port,net", 552 .protocol = IPSET_PROTOCOL, 553 .features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 | 554 IPSET_TYPE_NOMATCH, 555 .dimension = IPSET_DIM_THREE, 556 .family = NFPROTO_UNSPEC, 557 .revision_min = IPSET_TYPE_REV_MIN, 558 .revision_max = IPSET_TYPE_REV_MAX, 559 .create = hash_netportnet_create, 560 .create_policy = { 561 [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, 562 [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, 563 [IPSET_ATTR_PROBES] = { .type = NLA_U8 }, 564 [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, 565 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, 566 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, 567 }, 568 .adt_policy = { 569 [IPSET_ATTR_IP] = { .type = NLA_NESTED }, 570 [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, 571 [IPSET_ATTR_IP2] = { .type = NLA_NESTED }, 572 [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED }, 573 [IPSET_ATTR_PORT] = { .type = NLA_U16 }, 574 [IPSET_ATTR_PORT_TO] = { .type = NLA_U16 }, 575 [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, 576 [IPSET_ATTR_CIDR2] = { .type = NLA_U8 }, 577 [IPSET_ATTR_PROTO] = { .type = NLA_U8 }, 578 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, 579 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, 580 [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, 581 [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, 582 [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, 583 [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING }, 584 [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 }, 585 [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 }, 586 [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 }, 587 }, 588 .me = THIS_MODULE, 589 }; 590 591 static int __init 592 hash_netportnet_init(void) 593 { 594 return ip_set_type_register(&hash_netportnet_type); 595 } 596 597 static void __exit 598 hash_netportnet_fini(void) 599 { 600 ip_set_type_unregister(&hash_netportnet_type); 601 } 602 603 module_init(hash_netportnet_init); 604 module_exit(hash_netportnet_fini); 605