1
2
3
4
5
6
7
8
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
29
30#define IPSET_TYPE_REV_MAX 2
31
32MODULE_LICENSE("GPL");
33MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
34IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
35MODULE_ALIAS("ip_set_hash:net,port,net");
36
37
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
44
45
46struct 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
62
63static inline bool
64hash_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
74static inline int
75hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
76{
77 return elem->nomatch ? -ENOTEMPTY : 1;
78}
79
80static inline void
81hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
82{
83 elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
84}
85
86static inline void
87hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
88{
89 swap(*flags, elem->nomatch);
90}
91
92static inline void
93hash_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
99static inline void
100hash_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
112static bool
113hash_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
129nla_put_failure:
130 return true;
131}
132
133static inline void
134hash_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
145static void
146hash_netportnet4_init(struct hash_netportnet4_elem *e)
147{
148 e->cidr[0] = HOST_MASK;
149 e->cidr[1] = HOST_MASK;
150}
151
152static int
153hash_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_netportnet4 *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
179static int
180hash_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_netportnet4 *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
322
323struct 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
336
337static inline bool
338hash_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
349static inline int
350hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
351{
352 return elem->nomatch ? -ENOTEMPTY : 1;
353}
354
355static inline void
356hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
357{
358 elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
359}
360
361static inline void
362hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
363{
364 swap(*flags, elem->nomatch);
365}
366
367static inline void
368hash_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
374static inline void
375hash_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
387static bool
388hash_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
404nla_put_failure:
405 return true;
406}
407
408static inline void
409hash_netportnet6_data_next(struct hash_netportnet6_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
423static void
424hash_netportnet6_init(struct hash_netportnet6_elem *e)
425{
426 e->cidr[0] = HOST_MASK;
427 e->cidr[1] = HOST_MASK;
428}
429
430static int
431hash_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_netportnet6 *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
457static int
458hash_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_netportnet6 *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
555static 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
597static int __init
598hash_netportnet_init(void)
599{
600 return ip_set_type_register(&hash_netportnet_type);
601}
602
603static void __exit
604hash_netportnet_fini(void)
605{
606 rcu_barrier();
607 ip_set_type_unregister(&hash_netportnet_type);
608}
609
610module_init(hash_netportnet_init);
611module_exit(hash_netportnet_fini);
612
