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/*				0    Comments support added */
25/*				1    Forceadd support added */
26/*				2    skbinfo support added */
27#define IPSET_TYPE_REV_MAX	3 /* bucketsize, initval support added */
28
29MODULE_LICENSE("GPL");
30MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
31IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
32MODULE_ALIAS("ip_set_hash:net,port,net");
33
34/* Type specific function prefix */
35#define HTYPE		hash_netportnet
36#define IP_SET_HASH_WITH_PROTO
37#define IP_SET_HASH_WITH_NETS
38#define IPSET_NET_COUNT 2
39#define IP_SET_HASH_WITH_NET0
40
41/* IPv4 variant */
42
43/* Member elements */
44struct hash_netportnet4_elem {
45	union {
46		__be32 ip[2];
47		__be64 ipcmp;
48	};
49	__be16 port;
50	union {
51		u8 cidr[2];
52		u16 ccmp;
53	};
54	u16 padding;
55	u8 nomatch;
56	u8 proto;
57};
58
59/* Common functions */
60
61static bool
62hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
63			    const struct hash_netportnet4_elem *ip2,
64			    u32 *multi)
65{
66	return ip1->ipcmp == ip2->ipcmp &&
67	       ip1->ccmp == ip2->ccmp &&
68	       ip1->port == ip2->port &&
69	       ip1->proto == ip2->proto;
70}
71
72static int
73hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
74{
75	return elem->nomatch ? -ENOTEMPTY : 1;
76}
77
78static void
79hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
80{
81	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
82}
83
84static void
85hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
86{
87	swap(*flags, elem->nomatch);
88}
89
90static void
91hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
92				 struct hash_netportnet4_elem *orig)
93{
94	elem->ip[1] = orig->ip[1];
95}
96
97static void
98hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
99			      u8 cidr, bool inner)
100{
101	if (inner) {
102		elem->ip[1] &= ip_set_netmask(cidr);
103		elem->cidr[1] = cidr;
104	} else {
105		elem->ip[0] &= ip_set_netmask(cidr);
106		elem->cidr[0] = cidr;
107	}
108}
109
110static bool
111hash_netportnet4_data_list(struct sk_buff *skb,
112			   const struct hash_netportnet4_elem *data)
113{
114	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
115
116	if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
117	    nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
118	    nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
119	    nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
120	    nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
121	    nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
122	    (flags &&
123	     nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
124		goto nla_put_failure;
125	return false;
126
127nla_put_failure:
128	return true;
129}
130
131static void
132hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
133			   const struct hash_netportnet4_elem *d)
134{
135	next->ipcmp = d->ipcmp;
136	next->port = d->port;
137}
138
139#define MTYPE		hash_netportnet4
140#define HOST_MASK	32
141#include "ip_set_hash_gen.h"
142
143static void
144hash_netportnet4_init(struct hash_netportnet4_elem *e)
145{
146	e->cidr[0] = HOST_MASK;
147	e->cidr[1] = HOST_MASK;
148}
149
150static int
151hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
152		      const struct xt_action_param *par,
153		      enum ipset_adt adt, struct ip_set_adt_opt *opt)
154{
155	const struct hash_netportnet4 *h = set->data;
156	ipset_adtfn adtfn = set->variant->adt[adt];
157	struct hash_netportnet4_elem e = { };
158	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
159
160	e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
161	e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
162	if (adt == IPSET_TEST)
163		e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
164
165	if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
166				 &e.port, &e.proto))
167		return -EINVAL;
168
169	ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
170	ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
171	e.ip[0] &= ip_set_netmask(e.cidr[0]);
172	e.ip[1] &= ip_set_netmask(e.cidr[1]);
173
174	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
175}
176
177static u32
178hash_netportnet4_range_to_cidr(u32 from, u32 to, u8 *cidr)
179{
180	if (from == 0 && to == UINT_MAX) {
181		*cidr = 0;
182		return to;
183	}
184	return ip_set_range_to_cidr(from, to, cidr);
185}
186
187static int
188hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
189		      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
190{
191	struct hash_netportnet4 *h = set->data;
192	ipset_adtfn adtfn = set->variant->adt[adt];
193	struct hash_netportnet4_elem e = { };
194	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
195	u32 ip = 0, ip_to = 0, p = 0, port, port_to;
196	u32 ip2_from = 0, ip2_to = 0, ip2, i = 0;
197	bool with_ports = false;
198	int ret;
199
200	if (tb[IPSET_ATTR_LINENO])
201		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
202
203	hash_netportnet4_init(&e);
204	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
205		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
206		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
207		     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
208		return -IPSET_ERR_PROTOCOL;
209
210	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
211	if (ret)
212		return ret;
213
214	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
215	if (ret)
216		return ret;
217
218	ret = ip_set_get_extensions(set, tb, &ext);
219	if (ret)
220		return ret;
221
222	if (tb[IPSET_ATTR_CIDR]) {
223		e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
224		if (e.cidr[0] > HOST_MASK)
225			return -IPSET_ERR_INVALID_CIDR;
226	}
227
228	if (tb[IPSET_ATTR_CIDR2]) {
229		e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
230		if (e.cidr[1] > HOST_MASK)
231			return -IPSET_ERR_INVALID_CIDR;
232	}
233
234	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
235
236	if (tb[IPSET_ATTR_PROTO]) {
237		e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
238		with_ports = ip_set_proto_with_ports(e.proto);
239
240		if (e.proto == 0)
241			return -IPSET_ERR_INVALID_PROTO;
242	} else {
243		return -IPSET_ERR_MISSING_PROTO;
244	}
245
246	if (!(with_ports || e.proto == IPPROTO_ICMP))
247		e.port = 0;
248
249	if (tb[IPSET_ATTR_CADT_FLAGS]) {
250		u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
251
252		if (cadt_flags & IPSET_FLAG_NOMATCH)
253			flags |= (IPSET_FLAG_NOMATCH << 16);
254	}
255
256	with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
257	if (adt == IPSET_TEST ||
258	    !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
259		e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
260		e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
261		ret = adtfn(set, &e, &ext, &ext, flags);
262		return ip_set_enomatch(ret, flags, adt, set) ? -ret :
263		       ip_set_eexist(ret, flags) ? 0 : ret;
264	}
265
266	ip_to = ip;
267	if (tb[IPSET_ATTR_IP_TO]) {
268		ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
269		if (ret)
270			return ret;
271		if (ip > ip_to)
272			swap(ip, ip_to);
273		if (unlikely(ip + UINT_MAX == ip_to))
274			return -IPSET_ERR_HASH_RANGE;
275	} else {
276		ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
277	}
278
279	port_to = port = ntohs(e.port);
280	if (tb[IPSET_ATTR_PORT_TO]) {
281		port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
282		if (port > port_to)
283			swap(port, port_to);
284	}
285
286	ip2_to = ip2_from;
287	if (tb[IPSET_ATTR_IP2_TO]) {
288		ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
289		if (ret)
290			return ret;
291		if (ip2_from > ip2_to)
292			swap(ip2_from, ip2_to);
293		if (unlikely(ip2_from + UINT_MAX == ip2_to))
294			return -IPSET_ERR_HASH_RANGE;
295	} else {
296		ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
297	}
298
299	if (retried) {
300		ip = ntohl(h->next.ip[0]);
301		p = ntohs(h->next.port);
302		ip2 = ntohl(h->next.ip[1]);
303	} else {
304		p = port;
305		ip2 = ip2_from;
306	}
307
308	do {
309		e.ip[0] = htonl(ip);
310		ip = hash_netportnet4_range_to_cidr(ip, ip_to, &e.cidr[0]);
311		for (; p <= port_to; p++) {
312			e.port = htons(p);
313			do {
314				i++;
315				e.ip[1] = htonl(ip2);
316				if (i > IPSET_MAX_RANGE) {
317					hash_netportnet4_data_next(&h->next,
318								   &e);
319					return -ERANGE;
320				}
321				ip2 = hash_netportnet4_range_to_cidr(ip2,
322							ip2_to, &e.cidr[1]);
323				ret = adtfn(set, &e, &ext, &ext, flags);
324				if (ret && !ip_set_eexist(ret, flags))
325					return ret;
326
327				ret = 0;
328			} while (ip2++ < ip2_to);
329			ip2 = ip2_from;
330		}
331		p = port;
332	} while (ip++ < ip_to);
333	return ret;
334}
335
336/* IPv6 variant */
337
338struct hash_netportnet6_elem {
339	union nf_inet_addr ip[2];
340	__be16 port;
341	union {
342		u8 cidr[2];
343		u16 ccmp;
344	};
345	u16 padding;
346	u8 nomatch;
347	u8 proto;
348};
349
350/* Common functions */
351
352static bool
353hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
354			    const struct hash_netportnet6_elem *ip2,
355			    u32 *multi)
356{
357	return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
358	       ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
359	       ip1->ccmp == ip2->ccmp &&
360	       ip1->port == ip2->port &&
361	       ip1->proto == ip2->proto;
362}
363
364static int
365hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
366{
367	return elem->nomatch ? -ENOTEMPTY : 1;
368}
369
370static void
371hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
372{
373	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
374}
375
376static void
377hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
378{
379	swap(*flags, elem->nomatch);
380}
381
382static void
383hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
384				 struct hash_netportnet6_elem *orig)
385{
386	elem->ip[1] = orig->ip[1];
387}
388
389static void
390hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
391			      u8 cidr, bool inner)
392{
393	if (inner) {
394		ip6_netmask(&elem->ip[1], cidr);
395		elem->cidr[1] = cidr;
396	} else {
397		ip6_netmask(&elem->ip[0], cidr);
398		elem->cidr[0] = cidr;
399	}
400}
401
402static bool
403hash_netportnet6_data_list(struct sk_buff *skb,
404			   const struct hash_netportnet6_elem *data)
405{
406	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
407
408	if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
409	    nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
410	    nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
411	    nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
412	    nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
413	    nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
414	    (flags &&
415	     nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
416		goto nla_put_failure;
417	return false;
418
419nla_put_failure:
420	return true;
421}
422
423static void
424hash_netportnet6_data_next(struct hash_netportnet6_elem *next,
425			   const struct hash_netportnet6_elem *d)
426{
427	next->port = d->port;
428}
429
430#undef MTYPE
431#undef HOST_MASK
432
433#define MTYPE		hash_netportnet6
434#define HOST_MASK	128
435#define IP_SET_EMIT_CREATE
436#include "ip_set_hash_gen.h"
437
438static void
439hash_netportnet6_init(struct hash_netportnet6_elem *e)
440{
441	e->cidr[0] = HOST_MASK;
442	e->cidr[1] = HOST_MASK;
443}
444
445static int
446hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
447		      const struct xt_action_param *par,
448		      enum ipset_adt adt, struct ip_set_adt_opt *opt)
449{
450	const struct hash_netportnet6 *h = set->data;
451	ipset_adtfn adtfn = set->variant->adt[adt];
452	struct hash_netportnet6_elem e = { };
453	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
454
455	e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
456	e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
457	if (adt == IPSET_TEST)
458		e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
459
460	if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
461				 &e.port, &e.proto))
462		return -EINVAL;
463
464	ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
465	ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
466	ip6_netmask(&e.ip[0], e.cidr[0]);
467	ip6_netmask(&e.ip[1], e.cidr[1]);
468
469	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
470}
471
472static int
473hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
474		      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
475{
476	const struct hash_netportnet6 *h = set->data;
477	ipset_adtfn adtfn = set->variant->adt[adt];
478	struct hash_netportnet6_elem e = { };
479	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
480	u32 port, port_to;
481	bool with_ports = false;
482	int ret;
483
484	if (tb[IPSET_ATTR_LINENO])
485		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
486
487	hash_netportnet6_init(&e);
488	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
489		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
490		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
491		     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
492		return -IPSET_ERR_PROTOCOL;
493	if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
494		return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
495
496	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
497	if (ret)
498		return ret;
499
500	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
501	if (ret)
502		return ret;
503
504	ret = ip_set_get_extensions(set, tb, &ext);
505	if (ret)
506		return ret;
507
508	if (tb[IPSET_ATTR_CIDR]) {
509		e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
510		if (e.cidr[0] > HOST_MASK)
511			return -IPSET_ERR_INVALID_CIDR;
512	}
513
514	if (tb[IPSET_ATTR_CIDR2]) {
515		e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
516		if (e.cidr[1] > HOST_MASK)
517			return -IPSET_ERR_INVALID_CIDR;
518	}
519
520	ip6_netmask(&e.ip[0], e.cidr[0]);
521	ip6_netmask(&e.ip[1], e.cidr[1]);
522
523	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
524
525	if (tb[IPSET_ATTR_PROTO]) {
526		e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
527		with_ports = ip_set_proto_with_ports(e.proto);
528
529		if (e.proto == 0)
530			return -IPSET_ERR_INVALID_PROTO;
531	} else {
532		return -IPSET_ERR_MISSING_PROTO;
533	}
534
535	if (!(with_ports || e.proto == IPPROTO_ICMPV6))
536		e.port = 0;
537
538	if (tb[IPSET_ATTR_CADT_FLAGS]) {
539		u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
540
541		if (cadt_flags & IPSET_FLAG_NOMATCH)
542			flags |= (IPSET_FLAG_NOMATCH << 16);
543	}
544
545	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
546		ret = adtfn(set, &e, &ext, &ext, flags);
547		return ip_set_enomatch(ret, flags, adt, set) ? -ret :
548		       ip_set_eexist(ret, flags) ? 0 : ret;
549	}
550
551	port = ntohs(e.port);
552	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
553	if (port > port_to)
554		swap(port, port_to);
555
556	if (retried)
557		port = ntohs(h->next.port);
558	for (; port <= port_to; port++) {
559		e.port = htons(port);
560		ret = adtfn(set, &e, &ext, &ext, flags);
561
562		if (ret && !ip_set_eexist(ret, flags))
563			return ret;
564
565		ret = 0;
566	}
567	return ret;
568}
569
570static struct ip_set_type hash_netportnet_type __read_mostly = {
571	.name		= "hash:net,port,net",
572	.protocol	= IPSET_PROTOCOL,
573	.features	= IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
574			  IPSET_TYPE_NOMATCH,
575	.dimension	= IPSET_DIM_THREE,
576	.family		= NFPROTO_UNSPEC,
577	.revision_min	= IPSET_TYPE_REV_MIN,
578	.revision_max	= IPSET_TYPE_REV_MAX,
579	.create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE,
580	.create		= hash_netportnet_create,
581	.create_policy	= {
582		[IPSET_ATTR_HASHSIZE]	= { .type = NLA_U32 },
583		[IPSET_ATTR_MAXELEM]	= { .type = NLA_U32 },
584		[IPSET_ATTR_INITVAL]	= { .type = NLA_U32 },
585		[IPSET_ATTR_BUCKETSIZE]	= { .type = NLA_U8 },
586		[IPSET_ATTR_RESIZE]	= { .type = NLA_U8  },
587		[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
588		[IPSET_ATTR_CADT_FLAGS]	= { .type = NLA_U32 },
589	},
590	.adt_policy	= {
591		[IPSET_ATTR_IP]		= { .type = NLA_NESTED },
592		[IPSET_ATTR_IP_TO]	= { .type = NLA_NESTED },
593		[IPSET_ATTR_IP2]	= { .type = NLA_NESTED },
594		[IPSET_ATTR_IP2_TO]	= { .type = NLA_NESTED },
595		[IPSET_ATTR_PORT]	= { .type = NLA_U16 },
596		[IPSET_ATTR_PORT_TO]	= { .type = NLA_U16 },
597		[IPSET_ATTR_CIDR]	= { .type = NLA_U8 },
598		[IPSET_ATTR_CIDR2]	= { .type = NLA_U8 },
599		[IPSET_ATTR_PROTO]	= { .type = NLA_U8 },
600		[IPSET_ATTR_CADT_FLAGS]	= { .type = NLA_U32 },
601		[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
602		[IPSET_ATTR_LINENO]	= { .type = NLA_U32 },
603		[IPSET_ATTR_BYTES]	= { .type = NLA_U64 },
604		[IPSET_ATTR_PACKETS]	= { .type = NLA_U64 },
605		[IPSET_ATTR_COMMENT]	= { .type = NLA_NUL_STRING,
606					    .len  = IPSET_MAX_COMMENT_SIZE },
607		[IPSET_ATTR_SKBMARK]	= { .type = NLA_U64 },
608		[IPSET_ATTR_SKBPRIO]	= { .type = NLA_U32 },
609		[IPSET_ATTR_SKBQUEUE]	= { .type = NLA_U16 },
610	},
611	.me		= THIS_MODULE,
612};
613
614static int __init
615hash_netportnet_init(void)
616{
617	return ip_set_type_register(&hash_netportnet_type);
618}
619
620static void __exit
621hash_netportnet_fini(void)
622{
623	rcu_barrier();
624	ip_set_type_unregister(&hash_netportnet_type);
625}
626
627module_init(hash_netportnet_init);
628module_exit(hash_netportnet_fini);
629