Merge branch 'rmobile-fixes-for-linus' of git://github.com/pmundt/linux-sh
[pandora-kernel.git] / net / netfilter / ipset / ip_set_hash_ipportnet.c
1 /* Copyright (C) 2003-2011 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_timeout.h>
25 #include <linux/netfilter/ipset/ip_set_getport.h>
26 #include <linux/netfilter/ipset/ip_set_hash.h>
27
28 MODULE_LICENSE("GPL");
29 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
30 MODULE_DESCRIPTION("hash:ip,port,net type of IP sets");
31 MODULE_ALIAS("ip_set_hash:ip,port,net");
32
33 /* Type specific function prefix */
34 #define TYPE            hash_ipportnet
35
36 static bool
37 hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b);
38
39 #define hash_ipportnet4_same_set        hash_ipportnet_same_set
40 #define hash_ipportnet6_same_set        hash_ipportnet_same_set
41
42 /* The type variant functions: IPv4 */
43
44 /* Member elements without timeout */
45 struct hash_ipportnet4_elem {
46         __be32 ip;
47         __be32 ip2;
48         __be16 port;
49         u8 cidr;
50         u8 proto;
51 };
52
53 /* Member elements with timeout support */
54 struct hash_ipportnet4_telem {
55         __be32 ip;
56         __be32 ip2;
57         __be16 port;
58         u8 cidr;
59         u8 proto;
60         unsigned long timeout;
61 };
62
63 static inline bool
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 inline bool
76 hash_ipportnet4_data_isnull(const struct hash_ipportnet4_elem *elem)
77 {
78         return elem->proto == 0;
79 }
80
81 static inline void
82 hash_ipportnet4_data_copy(struct hash_ipportnet4_elem *dst,
83                           const struct hash_ipportnet4_elem *src)
84 {
85         memcpy(dst, src, sizeof(*dst));
86 }
87
88 static inline void
89 hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem *elem, u8 cidr)
90 {
91         elem->ip2 &= ip_set_netmask(cidr);
92         elem->cidr = cidr;
93 }
94
95 static inline void
96 hash_ipportnet4_data_zero_out(struct hash_ipportnet4_elem *elem)
97 {
98         elem->proto = 0;
99 }
100
101 static bool
102 hash_ipportnet4_data_list(struct sk_buff *skb,
103                           const struct hash_ipportnet4_elem *data)
104 {
105         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
106         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, data->ip2);
107         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
108         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
109         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
110         return 0;
111
112 nla_put_failure:
113         return 1;
114 }
115
116 static bool
117 hash_ipportnet4_data_tlist(struct sk_buff *skb,
118                            const struct hash_ipportnet4_elem *data)
119 {
120         const struct hash_ipportnet4_telem *tdata =
121                 (const struct hash_ipportnet4_telem *)data;
122
123         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip);
124         NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, tdata->ip2);
125         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, tdata->port);
126         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
127         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
128         NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
129                       htonl(ip_set_timeout_get(tdata->timeout)));
130
131         return 0;
132
133 nla_put_failure:
134         return 1;
135 }
136
137 #define IP_SET_HASH_WITH_PROTO
138 #define IP_SET_HASH_WITH_NETS
139
140 #define PF              4
141 #define HOST_MASK       32
142 #include <linux/netfilter/ipset/ip_set_ahash.h>
143
144 static inline void
145 hash_ipportnet4_data_next(struct ip_set_hash *h,
146                           const struct hash_ipportnet4_elem *d)
147 {
148         h->next.ip = ntohl(d->ip);
149         h->next.port = ntohs(d->port);
150         h->next.ip2 = ntohl(d->ip2);
151 }
152
153 static int
154 hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
155                      const struct xt_action_param *par,
156                      enum ipset_adt adt, const struct ip_set_adt_opt *opt)
157 {
158         const struct ip_set_hash *h = set->data;
159         ipset_adtfn adtfn = set->variant->adt[adt];
160         struct hash_ipportnet4_elem data = {
161                 .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
162         };
163
164         if (data.cidr == 0)
165                 return -EINVAL;
166         if (adt == IPSET_TEST)
167                 data.cidr = HOST_MASK;
168
169         if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
170                                  &data.port, &data.proto))
171                 return -EINVAL;
172
173         ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
174         ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2);
175         data.ip2 &= ip_set_netmask(data.cidr);
176
177         return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
178 }
179
180 static int
181 hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
182                      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
183 {
184         const struct ip_set_hash *h = set->data;
185         ipset_adtfn adtfn = set->variant->adt[adt];
186         struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
187         u32 ip, ip_to = 0, p = 0, port, port_to;
188         u32 ip2_from = 0, ip2_to, ip2_last, ip2;
189         u32 timeout = h->timeout;
190         bool with_ports = false;
191         int ret;
192
193         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
194                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
195                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
196                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
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         if (tb[IPSET_ATTR_CIDR2]) {
211                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
212                 if (!data.cidr)
213                         return -IPSET_ERR_INVALID_CIDR;
214         }
215
216         if (tb[IPSET_ATTR_PORT])
217                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
218         else
219                 return -IPSET_ERR_PROTOCOL;
220
221         if (tb[IPSET_ATTR_PROTO]) {
222                 data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
223                 with_ports = ip_set_proto_with_ports(data.proto);
224
225                 if (data.proto == 0)
226                         return -IPSET_ERR_INVALID_PROTO;
227         } else
228                 return -IPSET_ERR_MISSING_PROTO;
229
230         if (!(with_ports || data.proto == IPPROTO_ICMP))
231                 data.port = 0;
232
233         if (tb[IPSET_ATTR_TIMEOUT]) {
234                 if (!with_timeout(h->timeout))
235                         return -IPSET_ERR_TIMEOUT;
236                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
237         }
238
239         with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
240         if (adt == IPSET_TEST ||
241             !(tb[IPSET_ATTR_CIDR] || tb[IPSET_ATTR_IP_TO] || with_ports ||
242               tb[IPSET_ATTR_IP2_TO])) {
243                 data.ip = htonl(ip);
244                 data.ip2 = htonl(ip2_from & ip_set_hostmask(data.cidr));
245                 ret = adtfn(set, &data, timeout, flags);
246                 return ip_set_eexist(ret, flags) ? 0 : ret;
247         }
248
249         if (tb[IPSET_ATTR_IP_TO]) {
250                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
251                 if (ret)
252                         return ret;
253                 if (ip > ip_to)
254                         swap(ip, ip_to);
255         } else if (tb[IPSET_ATTR_CIDR]) {
256                 u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
257
258                 if (cidr > 32)
259                         return -IPSET_ERR_INVALID_CIDR;
260                 ip_set_mask_from_to(ip, ip_to, cidr);
261         }
262
263         port_to = port = ntohs(data.port);
264         if (tb[IPSET_ATTR_PORT_TO]) {
265                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
266                 if (port > port_to)
267                         swap(port, port_to);
268         }
269         if (tb[IPSET_ATTR_IP2_TO]) {
270                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
271                 if (ret)
272                         return ret;
273                 if (ip2_from > ip2_to)
274                         swap(ip2_from, ip2_to);
275                 if (ip2_from + UINT_MAX == ip2_to)
276                         return -IPSET_ERR_HASH_RANGE;
277         } else {
278                 ip_set_mask_from_to(ip2_from, ip2_to, data.cidr);
279         }
280
281         if (retried)
282                 ip = h->next.ip;
283         for (; !before(ip_to, ip); ip++) {
284                 data.ip = htonl(ip);
285                 p = retried && ip == h->next.ip ? h->next.port : port;
286                 for (; p <= port_to; p++) {
287                         data.port = htons(p);
288                         ip2 = retried && ip == h->next.ip && p == h->next.port
289                                 ? h->next.ip2 : ip2_from;
290                         while (!after(ip2, ip2_to)) {
291                                 data.ip2 = htonl(ip2);
292                                 ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
293                                                                 &data.cidr);
294                                 ret = adtfn(set, &data, timeout, flags);
295
296                                 if (ret && !ip_set_eexist(ret, flags))
297                                         return ret;
298                                 else
299                                         ret = 0;
300                                 ip2 = ip2_last + 1;
301                         }
302                 }
303         }
304         return ret;
305 }
306
307 static bool
308 hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b)
309 {
310         const struct ip_set_hash *x = a->data;
311         const struct ip_set_hash *y = b->data;
312
313         /* Resizing changes htable_bits, so we ignore it */
314         return x->maxelem == y->maxelem &&
315                x->timeout == y->timeout;
316 }
317
318 /* The type variant functions: IPv6 */
319
320 struct hash_ipportnet6_elem {
321         union nf_inet_addr ip;
322         union nf_inet_addr ip2;
323         __be16 port;
324         u8 cidr;
325         u8 proto;
326 };
327
328 struct hash_ipportnet6_telem {
329         union nf_inet_addr ip;
330         union nf_inet_addr ip2;
331         __be16 port;
332         u8 cidr;
333         u8 proto;
334         unsigned long timeout;
335 };
336
337 static inline bool
338 hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1,
339                            const struct hash_ipportnet6_elem *ip2,
340                            u32 *multi)
341 {
342         return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
343                ipv6_addr_cmp(&ip1->ip2.in6, &ip2->ip2.in6) == 0 &&
344                ip1->cidr == ip2->cidr &&
345                ip1->port == ip2->port &&
346                ip1->proto == ip2->proto;
347 }
348
349 static inline bool
350 hash_ipportnet6_data_isnull(const struct hash_ipportnet6_elem *elem)
351 {
352         return elem->proto == 0;
353 }
354
355 static inline void
356 hash_ipportnet6_data_copy(struct hash_ipportnet6_elem *dst,
357                           const struct hash_ipportnet6_elem *src)
358 {
359         memcpy(dst, src, sizeof(*dst));
360 }
361
362 static inline void
363 hash_ipportnet6_data_zero_out(struct hash_ipportnet6_elem *elem)
364 {
365         elem->proto = 0;
366 }
367
368 static inline void
369 ip6_netmask(union nf_inet_addr *ip, u8 prefix)
370 {
371         ip->ip6[0] &= ip_set_netmask6(prefix)[0];
372         ip->ip6[1] &= ip_set_netmask6(prefix)[1];
373         ip->ip6[2] &= ip_set_netmask6(prefix)[2];
374         ip->ip6[3] &= ip_set_netmask6(prefix)[3];
375 }
376
377 static inline void
378 hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem *elem, u8 cidr)
379 {
380         ip6_netmask(&elem->ip2, cidr);
381         elem->cidr = cidr;
382 }
383
384 static bool
385 hash_ipportnet6_data_list(struct sk_buff *skb,
386                           const struct hash_ipportnet6_elem *data)
387 {
388         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
389         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
390         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
391         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
392         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
393         return 0;
394
395 nla_put_failure:
396         return 1;
397 }
398
399 static bool
400 hash_ipportnet6_data_tlist(struct sk_buff *skb,
401                            const struct hash_ipportnet6_elem *data)
402 {
403         const struct hash_ipportnet6_telem *e =
404                 (const struct hash_ipportnet6_telem *)data;
405
406         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
407         NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
408         NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
409         NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
410         NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
411         NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
412                       htonl(ip_set_timeout_get(e->timeout)));
413         return 0;
414
415 nla_put_failure:
416         return 1;
417 }
418
419 #undef PF
420 #undef HOST_MASK
421
422 #define PF              6
423 #define HOST_MASK       128
424 #include <linux/netfilter/ipset/ip_set_ahash.h>
425
426 static inline void
427 hash_ipportnet6_data_next(struct ip_set_hash *h,
428                           const struct hash_ipportnet6_elem *d)
429 {
430         h->next.port = ntohs(d->port);
431 }
432
433 static int
434 hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
435                      const struct xt_action_param *par,
436                      enum ipset_adt adt, const struct ip_set_adt_opt *opt)
437 {
438         const struct ip_set_hash *h = set->data;
439         ipset_adtfn adtfn = set->variant->adt[adt];
440         struct hash_ipportnet6_elem data = {
441                 .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
442         };
443
444         if (data.cidr == 0)
445                 return -EINVAL;
446         if (adt == IPSET_TEST)
447                 data.cidr = HOST_MASK;
448
449         if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
450                                  &data.port, &data.proto))
451                 return -EINVAL;
452
453         ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
454         ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
455         ip6_netmask(&data.ip2, data.cidr);
456
457         return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
458 }
459
460 static int
461 hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
462                      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
463 {
464         const struct ip_set_hash *h = set->data;
465         ipset_adtfn adtfn = set->variant->adt[adt];
466         struct hash_ipportnet6_elem data = { .cidr = HOST_MASK };
467         u32 port, port_to;
468         u32 timeout = h->timeout;
469         bool with_ports = false;
470         int ret;
471
472         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
473                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
474                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
475                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
476                      tb[IPSET_ATTR_IP_TO] ||
477                      tb[IPSET_ATTR_CIDR]))
478                 return -IPSET_ERR_PROTOCOL;
479         if (unlikely(tb[IPSET_ATTR_IP_TO]))
480                 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
481
482         if (tb[IPSET_ATTR_LINENO])
483                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
484
485         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &data.ip);
486         if (ret)
487                 return ret;
488
489         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &data.ip2);
490         if (ret)
491                 return ret;
492
493         if (tb[IPSET_ATTR_CIDR2])
494                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
495
496         if (!data.cidr)
497                 return -IPSET_ERR_INVALID_CIDR;
498
499         ip6_netmask(&data.ip2, data.cidr);
500
501         if (tb[IPSET_ATTR_PORT])
502                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
503         else
504                 return -IPSET_ERR_PROTOCOL;
505
506         if (tb[IPSET_ATTR_PROTO]) {
507                 data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
508                 with_ports = ip_set_proto_with_ports(data.proto);
509
510                 if (data.proto == 0)
511                         return -IPSET_ERR_INVALID_PROTO;
512         } else
513                 return -IPSET_ERR_MISSING_PROTO;
514
515         if (!(with_ports || data.proto == IPPROTO_ICMPV6))
516                 data.port = 0;
517
518         if (tb[IPSET_ATTR_TIMEOUT]) {
519                 if (!with_timeout(h->timeout))
520                         return -IPSET_ERR_TIMEOUT;
521                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
522         }
523
524         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
525                 ret = adtfn(set, &data, timeout, flags);
526                 return ip_set_eexist(ret, flags) ? 0 : ret;
527         }
528
529         port = ntohs(data.port);
530         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
531         if (port > port_to)
532                 swap(port, port_to);
533
534         if (retried)
535                 port = h->next.port;
536         for (; port <= port_to; port++) {
537                 data.port = htons(port);
538                 ret = adtfn(set, &data, timeout, flags);
539
540                 if (ret && !ip_set_eexist(ret, flags))
541                         return ret;
542                 else
543                         ret = 0;
544         }
545         return ret;
546 }
547
548 /* Create hash:ip type of sets */
549
550 static int
551 hash_ipportnet_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
552 {
553         struct ip_set_hash *h;
554         u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
555         u8 hbits;
556
557         if (!(set->family == AF_INET || set->family == AF_INET6))
558                 return -IPSET_ERR_INVALID_FAMILY;
559
560         if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
561                      !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
562                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
563                 return -IPSET_ERR_PROTOCOL;
564
565         if (tb[IPSET_ATTR_HASHSIZE]) {
566                 hashsize = ip_set_get_h32(tb[IPSET_ATTR_HASHSIZE]);
567                 if (hashsize < IPSET_MIMINAL_HASHSIZE)
568                         hashsize = IPSET_MIMINAL_HASHSIZE;
569         }
570
571         if (tb[IPSET_ATTR_MAXELEM])
572                 maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
573
574         h = kzalloc(sizeof(*h)
575                     + sizeof(struct ip_set_hash_nets)
576                       * (set->family == AF_INET ? 32 : 128), GFP_KERNEL);
577         if (!h)
578                 return -ENOMEM;
579
580         h->maxelem = maxelem;
581         get_random_bytes(&h->initval, sizeof(h->initval));
582         h->timeout = IPSET_NO_TIMEOUT;
583
584         hbits = htable_bits(hashsize);
585         h->table = ip_set_alloc(
586                         sizeof(struct htable)
587                         + jhash_size(hbits) * sizeof(struct hbucket));
588         if (!h->table) {
589                 kfree(h);
590                 return -ENOMEM;
591         }
592         h->table->htable_bits = hbits;
593
594         set->data = h;
595
596         if (tb[IPSET_ATTR_TIMEOUT]) {
597                 h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
598
599                 set->variant = set->family == AF_INET
600                         ? &hash_ipportnet4_tvariant
601                         : &hash_ipportnet6_tvariant;
602
603                 if (set->family == AF_INET)
604                         hash_ipportnet4_gc_init(set);
605                 else
606                         hash_ipportnet6_gc_init(set);
607         } else {
608                 set->variant = set->family == AF_INET
609                         ? &hash_ipportnet4_variant : &hash_ipportnet6_variant;
610         }
611
612         pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
613                  set->name, jhash_size(h->table->htable_bits),
614                  h->table->htable_bits, h->maxelem, set->data, h->table);
615
616         return 0;
617 }
618
619 static struct ip_set_type hash_ipportnet_type __read_mostly = {
620         .name           = "hash:ip,port,net",
621         .protocol       = IPSET_PROTOCOL,
622         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
623         .dimension      = IPSET_DIM_THREE,
624         .family         = AF_UNSPEC,
625         .revision_min   = 0,
626         /*                1        SCTP and UDPLITE support added */
627         .revision_max   = 2,    /* Range as input support for IPv4 added */
628         .create         = hash_ipportnet_create,
629         .create_policy  = {
630                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
631                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
632                 [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
633                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
634                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
635         },
636         .adt_policy     = {
637                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
638                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
639                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
640                 [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
641                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
642                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
643                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
644                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
645                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
646                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
647                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
648         },
649         .me             = THIS_MODULE,
650 };
651
652 static int __init
653 hash_ipportnet_init(void)
654 {
655         return ip_set_type_register(&hash_ipportnet_type);
656 }
657
658 static void __exit
659 hash_ipportnet_fini(void)
660 {
661         ip_set_type_unregister(&hash_ipportnet_type);
662 }
663
664 module_init(hash_ipportnet_init);
665 module_exit(hash_ipportnet_fini);