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); 612