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 /* 1 SCTP and UDPLITE support added */
25 /* 2 Range as input support for IPv4 added */
26 /* 3 nomatch flag support added */
27 /* 4 Counters support added */
28 /* 5 Comments support added */
29 /* 6 Forceadd support added */
30 /* 7 skbinfo support added */
31 #define IPSET_TYPE_REV_MAX 8 /* bucketsize, initval support added */
32
33 MODULE_LICENSE("GPL");
34 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>");
35 IP_SET_MODULE_DESC("hash:ip,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
36 MODULE_ALIAS("ip_set_hash:ip,port,net");
37
38 /* Type specific function prefix */
39 #define HTYPE hash_ipportnet
40
41 /* We squeeze the "nomatch" flag into cidr: we don't support cidr == 0
42 * However this way we have to store internally cidr - 1,
43 * dancing back and forth.
44 */
45 #define IP_SET_HASH_WITH_NETS_PACKED
46 #define IP_SET_HASH_WITH_PROTO
47 #define IP_SET_HASH_WITH_NETS
48
49 /* IPv4 variant */
50
51 /* Member elements */
52 struct hash_ipportnet4_elem {
53 __be32 ip;
54 __be32 ip2;
55 __be16 port;
56 u8 cidr:7;
57 u8 nomatch:1;
58 u8 proto;
59 };
60
61 /* Common functions */
62
63 static bool
hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem * ip1,const struct hash_ipportnet4_elem * ip2,u32 * multi)64 hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem *ip1,
65 const struct hash_ipportnet4_elem *ip2,
66 u32 *multi)
67 {
68 return ip1->ip == ip2->ip &&
69 ip1->ip2 == ip2->ip2 &&
70 ip1->cidr == ip2->cidr &&
71 ip1->port == ip2->port &&
72 ip1->proto == ip2->proto;
73 }
74
75 static int
hash_ipportnet4_do_data_match(const struct hash_ipportnet4_elem * elem)76 hash_ipportnet4_do_data_match(const struct hash_ipportnet4_elem *elem)
77 {
78 return elem->nomatch ? -ENOTEMPTY : 1;
79 }
80
81 static void
hash_ipportnet4_data_set_flags(struct hash_ipportnet4_elem * elem,u32 flags)82 hash_ipportnet4_data_set_flags(struct hash_ipportnet4_elem *elem, u32 flags)
83 {
84 elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
85 }
86
87 static void
hash_ipportnet4_data_reset_flags(struct hash_ipportnet4_elem * elem,u8 * flags)88 hash_ipportnet4_data_reset_flags(struct hash_ipportnet4_elem *elem, u8 *flags)
89 {
90 swap(*flags, elem->nomatch);
91 }
92
93 static void
hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem * elem,u8 cidr)94 hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem *elem, u8 cidr)
95 {
96 elem->ip2 &= ip_set_netmask(cidr);
97 elem->cidr = cidr - 1;
98 }
99
100 static bool
hash_ipportnet4_data_list(struct sk_buff * skb,const struct hash_ipportnet4_elem * data)101 hash_ipportnet4_data_list(struct sk_buff *skb,
102 const struct hash_ipportnet4_elem *data)
103 {
104 u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
105
106 if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip) ||
107 nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip2) ||
108 nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
109 nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr + 1) ||
110 nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
111 (flags &&
112 nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
113 goto nla_put_failure;
114 return false;
115
116 nla_put_failure:
117 return true;
118 }
119
120 static void
hash_ipportnet4_data_next(struct hash_ipportnet4_elem * next,const struct hash_ipportnet4_elem * d)121 hash_ipportnet4_data_next(struct hash_ipportnet4_elem *next,
122 const struct hash_ipportnet4_elem *d)
123 {
124 next->ip = d->ip;
125 next->port = d->port;
126 next->ip2 = d->ip2;
127 }
128
129 #define MTYPE hash_ipportnet4
130 #define HOST_MASK 32
131 #include "ip_set_hash_gen.h"
132
133 static int
hash_ipportnet4_kadt(struct ip_set * set,const struct sk_buff * skb,const struct xt_action_param * par,enum ipset_adt adt,struct ip_set_adt_opt * opt)134 hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
135 const struct xt_action_param *par,
136 enum ipset_adt adt, struct ip_set_adt_opt *opt)
137 {
138 const struct hash_ipportnet4 *h = set->data;
139 ipset_adtfn adtfn = set->variant->adt[adt];
140 struct hash_ipportnet4_elem e = {
141 .cidr = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK),
142 };
143 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
144
145 if (adt == IPSET_TEST)
146 e.cidr = HOST_MASK - 1;
147
148 if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
149 &e.port, &e.proto))
150 return -EINVAL;
151
152 ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip);
153 ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip2);
154 e.ip2 &= ip_set_netmask(e.cidr + 1);
155
156 return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
157 }
158
159 static int
hash_ipportnet4_uadt(struct ip_set * set,struct nlattr * tb[],enum ipset_adt adt,u32 * lineno,u32 flags,bool retried)160 hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
161 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
162 {
163 struct hash_ipportnet4 *h = set->data;
164 ipset_adtfn adtfn = set->variant->adt[adt];
165 struct hash_ipportnet4_elem e = { .cidr = HOST_MASK - 1 };
166 struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
167 u32 ip = 0, ip_to = 0, p = 0, port, port_to;
168 u32 ip2_from = 0, ip2_to = 0, ip2, i = 0;
169 bool with_ports = false;
170 u8 cidr;
171 int ret;
172
173 if (tb[IPSET_ATTR_LINENO])
174 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
175
176 if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
177 !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
178 !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
179 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
180 return -IPSET_ERR_PROTOCOL;
181
182 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
183 if (ret)
184 return ret;
185
186 ret = ip_set_get_extensions(set, tb, &ext);
187 if (ret)
188 return ret;
189
190 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
191 if (ret)
192 return ret;
193
194 if (tb[IPSET_ATTR_CIDR2]) {
195 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
196 if (!cidr || cidr > HOST_MASK)
197 return -IPSET_ERR_INVALID_CIDR;
198 e.cidr = cidr - 1;
199 }
200
201 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
202
203 if (tb[IPSET_ATTR_PROTO]) {
204 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
205 with_ports = ip_set_proto_with_ports(e.proto);
206
207 if (e.proto == 0)
208 return -IPSET_ERR_INVALID_PROTO;
209 } else {
210 return -IPSET_ERR_MISSING_PROTO;
211 }
212
213 if (!(with_ports || e.proto == IPPROTO_ICMP))
214 e.port = 0;
215
216 if (tb[IPSET_ATTR_CADT_FLAGS]) {
217 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
218
219 if (cadt_flags & IPSET_FLAG_NOMATCH)
220 flags |= (IPSET_FLAG_NOMATCH << 16);
221 }
222
223 with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
224 if (adt == IPSET_TEST ||
225 !(tb[IPSET_ATTR_CIDR] || tb[IPSET_ATTR_IP_TO] || with_ports ||
226 tb[IPSET_ATTR_IP2_TO])) {
227 e.ip = htonl(ip);
228 e.ip2 = htonl(ip2_from & ip_set_hostmask(e.cidr + 1));
229 ret = adtfn(set, &e, &ext, &ext, flags);
230 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
231 ip_set_eexist(ret, flags) ? 0 : ret;
232 }
233
234 ip_to = ip;
235 if (tb[IPSET_ATTR_IP_TO]) {
236 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
237 if (ret)
238 return ret;
239 if (ip > ip_to)
240 swap(ip, ip_to);
241 } else if (tb[IPSET_ATTR_CIDR]) {
242 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
243
244 if (!cidr || cidr > HOST_MASK)
245 return -IPSET_ERR_INVALID_CIDR;
246 ip_set_mask_from_to(ip, ip_to, cidr);
247 }
248
249 port_to = port = ntohs(e.port);
250 if (tb[IPSET_ATTR_PORT_TO]) {
251 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
252 if (port > port_to)
253 swap(port, port_to);
254 }
255
256 ip2_to = ip2_from;
257 if (tb[IPSET_ATTR_IP2_TO]) {
258 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
259 if (ret)
260 return ret;
261 if (ip2_from > ip2_to)
262 swap(ip2_from, ip2_to);
263 if (ip2_from + UINT_MAX == ip2_to)
264 return -IPSET_ERR_HASH_RANGE;
265 } else {
266 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr + 1);
267 }
268
269 if (retried) {
270 ip = ntohl(h->next.ip);
271 p = ntohs(h->next.port);
272 ip2 = ntohl(h->next.ip2);
273 } else {
274 p = port;
275 ip2 = ip2_from;
276 }
277 for (; ip <= ip_to; ip++) {
278 e.ip = htonl(ip);
279 for (; p <= port_to; p++) {
280 e.port = htons(p);
281 do {
282 i++;
283 e.ip2 = htonl(ip2);
284 ip2 = ip_set_range_to_cidr(ip2, ip2_to, &cidr);
285 e.cidr = cidr - 1;
286 if (i > IPSET_MAX_RANGE) {
287 hash_ipportnet4_data_next(&h->next,
288 &e);
289 return -ERANGE;
290 }
291 ret = adtfn(set, &e, &ext, &ext, flags);
292
293 if (ret && !ip_set_eexist(ret, flags))
294 return ret;
295
296 ret = 0;
297 } while (ip2++ < ip2_to);
298 ip2 = ip2_from;
299 }
300 p = port;
301 }
302 return ret;
303 }
304
305 /* IPv6 variant */
306
307 struct hash_ipportnet6_elem {
308 union nf_inet_addr ip;
309 union nf_inet_addr ip2;
310 __be16 port;
311 u8 cidr:7;
312 u8 nomatch:1;
313 u8 proto;
314 };
315
316 /* Common functions */
317
318 static bool
hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem * ip1,const struct hash_ipportnet6_elem * ip2,u32 * multi)319 hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1,
320 const struct hash_ipportnet6_elem *ip2,
321 u32 *multi)
322 {
323 return ipv6_addr_equal(&ip1->ip.in6, &ip2->ip.in6) &&
324 ipv6_addr_equal(&ip1->ip2.in6, &ip2->ip2.in6) &&
325 ip1->cidr == ip2->cidr &&
326 ip1->port == ip2->port &&
327 ip1->proto == ip2->proto;
328 }
329
330 static int
hash_ipportnet6_do_data_match(const struct hash_ipportnet6_elem * elem)331 hash_ipportnet6_do_data_match(const struct hash_ipportnet6_elem *elem)
332 {
333 return elem->nomatch ? -ENOTEMPTY : 1;
334 }
335
336 static void
hash_ipportnet6_data_set_flags(struct hash_ipportnet6_elem * elem,u32 flags)337 hash_ipportnet6_data_set_flags(struct hash_ipportnet6_elem *elem, u32 flags)
338 {
339 elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
340 }
341
342 static void
hash_ipportnet6_data_reset_flags(struct hash_ipportnet6_elem * elem,u8 * flags)343 hash_ipportnet6_data_reset_flags(struct hash_ipportnet6_elem *elem, u8 *flags)
344 {
345 swap(*flags, elem->nomatch);
346 }
347
348 static void
hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem * elem,u8 cidr)349 hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem *elem, u8 cidr)
350 {
351 ip6_netmask(&elem->ip2, cidr);
352 elem->cidr = cidr - 1;
353 }
354
355 static bool
hash_ipportnet6_data_list(struct sk_buff * skb,const struct hash_ipportnet6_elem * data)356 hash_ipportnet6_data_list(struct sk_buff *skb,
357 const struct hash_ipportnet6_elem *data)
358 {
359 u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
360
361 if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip.in6) ||
362 nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip2.in6) ||
363 nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
364 nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr + 1) ||
365 nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
366 (flags &&
367 nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
368 goto nla_put_failure;
369 return false;
370
371 nla_put_failure:
372 return true;
373 }
374
375 static void
hash_ipportnet6_data_next(struct hash_ipportnet6_elem * next,const struct hash_ipportnet6_elem * d)376 hash_ipportnet6_data_next(struct hash_ipportnet6_elem *next,
377 const struct hash_ipportnet6_elem *d)
378 {
379 next->port = d->port;
380 }
381
382 #undef MTYPE
383 #undef HOST_MASK
384
385 #define MTYPE hash_ipportnet6
386 #define HOST_MASK 128
387 #define IP_SET_EMIT_CREATE
388 #include "ip_set_hash_gen.h"
389
390 static int
hash_ipportnet6_kadt(struct ip_set * set,const struct sk_buff * skb,const struct xt_action_param * par,enum ipset_adt adt,struct ip_set_adt_opt * opt)391 hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
392 const struct xt_action_param *par,
393 enum ipset_adt adt, struct ip_set_adt_opt *opt)
394 {
395 const struct hash_ipportnet6 *h = set->data;
396 ipset_adtfn adtfn = set->variant->adt[adt];
397 struct hash_ipportnet6_elem e = {
398 .cidr = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK),
399 };
400 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
401
402 if (adt == IPSET_TEST)
403 e.cidr = HOST_MASK - 1;
404
405 if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
406 &e.port, &e.proto))
407 return -EINVAL;
408
409 ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip.in6);
410 ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip2.in6);
411 ip6_netmask(&e.ip2, e.cidr + 1);
412
413 return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
414 }
415
416 static int
hash_ipportnet6_uadt(struct ip_set * set,struct nlattr * tb[],enum ipset_adt adt,u32 * lineno,u32 flags,bool retried)417 hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
418 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
419 {
420 const struct hash_ipportnet6 *h = set->data;
421 ipset_adtfn adtfn = set->variant->adt[adt];
422 struct hash_ipportnet6_elem e = { .cidr = HOST_MASK - 1 };
423 struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
424 u32 port, port_to;
425 bool with_ports = false;
426 u8 cidr;
427 int ret;
428
429 if (tb[IPSET_ATTR_LINENO])
430 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
431
432 if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
433 !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
434 !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
435 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
436 return -IPSET_ERR_PROTOCOL;
437 if (unlikely(tb[IPSET_ATTR_IP_TO]))
438 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
439 if (unlikely(tb[IPSET_ATTR_CIDR])) {
440 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
441
442 if (cidr != HOST_MASK)
443 return -IPSET_ERR_INVALID_CIDR;
444 }
445
446 ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip);
447 if (ret)
448 return ret;
449
450 ret = ip_set_get_extensions(set, tb, &ext);
451 if (ret)
452 return ret;
453
454 ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip2);
455 if (ret)
456 return ret;
457
458 if (tb[IPSET_ATTR_CIDR2]) {
459 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
460 if (!cidr || cidr > HOST_MASK)
461 return -IPSET_ERR_INVALID_CIDR;
462 e.cidr = cidr - 1;
463 }
464
465 ip6_netmask(&e.ip2, e.cidr + 1);
466
467 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
468
469 if (tb[IPSET_ATTR_PROTO]) {
470 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
471 with_ports = ip_set_proto_with_ports(e.proto);
472
473 if (e.proto == 0)
474 return -IPSET_ERR_INVALID_PROTO;
475 } else {
476 return -IPSET_ERR_MISSING_PROTO;
477 }
478
479 if (!(with_ports || e.proto == IPPROTO_ICMPV6))
480 e.port = 0;
481
482 if (tb[IPSET_ATTR_CADT_FLAGS]) {
483 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
484
485 if (cadt_flags & IPSET_FLAG_NOMATCH)
486 flags |= (IPSET_FLAG_NOMATCH << 16);
487 }
488
489 if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
490 ret = adtfn(set, &e, &ext, &ext, flags);
491 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
492 ip_set_eexist(ret, flags) ? 0 : ret;
493 }
494
495 port = ntohs(e.port);
496 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
497 if (port > port_to)
498 swap(port, port_to);
499
500 if (retried)
501 port = ntohs(h->next.port);
502 for (; port <= port_to; port++) {
503 e.port = htons(port);
504 ret = adtfn(set, &e, &ext, &ext, flags);
505
506 if (ret && !ip_set_eexist(ret, flags))
507 return ret;
508
509 ret = 0;
510 }
511 return ret;
512 }
513
514 static struct ip_set_type hash_ipportnet_type __read_mostly = {
515 .name = "hash:ip,port,net",
516 .protocol = IPSET_PROTOCOL,
517 .features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
518 IPSET_TYPE_NOMATCH,
519 .dimension = IPSET_DIM_THREE,
520 .family = NFPROTO_UNSPEC,
521 .revision_min = IPSET_TYPE_REV_MIN,
522 .revision_max = IPSET_TYPE_REV_MAX,
523 .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE,
524 .create = hash_ipportnet_create,
525 .create_policy = {
526 [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
527 [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
528 [IPSET_ATTR_INITVAL] = { .type = NLA_U32 },
529 [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 },
530 [IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
531 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
532 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
533 },
534 .adt_policy = {
535 [IPSET_ATTR_IP] = { .type = NLA_NESTED },
536 [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
537 [IPSET_ATTR_IP2] = { .type = NLA_NESTED },
538 [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED },
539 [IPSET_ATTR_PORT] = { .type = NLA_U16 },
540 [IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
541 [IPSET_ATTR_CIDR] = { .type = NLA_U8 },
542 [IPSET_ATTR_CIDR2] = { .type = NLA_U8 },
543 [IPSET_ATTR_PROTO] = { .type = NLA_U8 },
544 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
545 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
546 [IPSET_ATTR_LINENO] = { .type = NLA_U32 },
547 [IPSET_ATTR_BYTES] = { .type = NLA_U64 },
548 [IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
549 [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING,
550 .len = IPSET_MAX_COMMENT_SIZE },
551 [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 },
552 [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 },
553 [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 },
554 },
555 .me = THIS_MODULE,
556 };
557
558 static int __init
hash_ipportnet_init(void)559 hash_ipportnet_init(void)
560 {
561 return ip_set_type_register(&hash_ipportnet_type);
562 }
563
564 static void __exit
hash_ipportnet_fini(void)565 hash_ipportnet_fini(void)
566 {
567 rcu_barrier();
568 ip_set_type_unregister(&hash_ipportnet_type);
569 }
570
571 module_init(hash_ipportnet_init);
572 module_exit(hash_ipportnet_fini);
573