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10#include <linux/module.h>
11#include <linux/ip.h>
12#include <linux/skbuff.h>
13#include <linux/errno.h>
14
15#include <linux/netfilter/ipset/ip_set.h>
16#include <linux/netfilter/ipset/ip_set_list.h>
17
18#define REVISION_MIN 0
19#define REVISION_MAX 1
20
21MODULE_LICENSE("GPL");
22MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
23IP_SET_MODULE_DESC("list:set", REVISION_MIN, REVISION_MAX);
24MODULE_ALIAS("ip_set_list:set");
25
26
27struct set_elem {
28 ip_set_id_t id;
29};
30
31struct sett_elem {
32 struct {
33 ip_set_id_t id;
34 } __attribute__ ((aligned));
35 unsigned long timeout;
36};
37
38struct setc_elem {
39 struct {
40 ip_set_id_t id;
41 } __attribute__ ((aligned));
42 struct ip_set_counter counter;
43};
44
45struct setct_elem {
46 struct {
47 ip_set_id_t id;
48 } __attribute__ ((aligned));
49 struct ip_set_counter counter;
50 unsigned long timeout;
51};
52
53struct set_adt_elem {
54 ip_set_id_t id;
55 ip_set_id_t refid;
56 int before;
57};
58
59
60struct list_set {
61 size_t dsize;
62 size_t offset[IPSET_OFFSET_MAX];
63 u32 size;
64 u32 timeout;
65 struct timer_list gc;
66 struct set_elem members[0];
67};
68
69static inline struct set_elem *
70list_set_elem(const struct list_set *map, u32 id)
71{
72 return (struct set_elem *)((void *)map->members + id * map->dsize);
73}
74
75#define ext_timeout(e, m) \
76(unsigned long *)((void *)(e) + (m)->offset[IPSET_OFFSET_TIMEOUT])
77#define ext_counter(e, m) \
78(struct ip_set_counter *)((void *)(e) + (m)->offset[IPSET_OFFSET_COUNTER])
79
80static int
81list_set_ktest(struct ip_set *set, const struct sk_buff *skb,
82 const struct xt_action_param *par,
83 struct ip_set_adt_opt *opt, const struct ip_set_ext *ext)
84{
85 struct list_set *map = set->data;
86 struct set_elem *e;
87 u32 i, cmdflags = opt->cmdflags;
88 int ret;
89
90
91 opt->cmdflags &= ~IPSET_FLAG_MATCH_COUNTERS;
92 if (opt->cmdflags & IPSET_FLAG_SKIP_SUBCOUNTER_UPDATE)
93 opt->cmdflags &= ~IPSET_FLAG_SKIP_COUNTER_UPDATE;
94 for (i = 0; i < map->size; i++) {
95 e = list_set_elem(map, i);
96 if (e->id == IPSET_INVALID_ID)
97 return 0;
98 if (SET_WITH_TIMEOUT(set) &&
99 ip_set_timeout_expired(ext_timeout(e, map)))
100 continue;
101 ret = ip_set_test(e->id, skb, par, opt);
102 if (ret > 0) {
103 if (SET_WITH_COUNTER(set))
104 ip_set_update_counter(ext_counter(e, map),
105 ext, &opt->ext,
106 cmdflags);
107 return ret;
108 }
109 }
110 return 0;
111}
112
113static int
114list_set_kadd(struct ip_set *set, const struct sk_buff *skb,
115 const struct xt_action_param *par,
116 struct ip_set_adt_opt *opt, const struct ip_set_ext *ext)
117{
118 struct list_set *map = set->data;
119 struct set_elem *e;
120 u32 i;
121 int ret;
122
123 for (i = 0; i < map->size; i++) {
124 e = list_set_elem(map, i);
125 if (e->id == IPSET_INVALID_ID)
126 return 0;
127 if (SET_WITH_TIMEOUT(set) &&
128 ip_set_timeout_expired(ext_timeout(e, map)))
129 continue;
130 ret = ip_set_add(e->id, skb, par, opt);
131 if (ret == 0)
132 return ret;
133 }
134 return 0;
135}
136
137static int
138list_set_kdel(struct ip_set *set, const struct sk_buff *skb,
139 const struct xt_action_param *par,
140 struct ip_set_adt_opt *opt, const struct ip_set_ext *ext)
141{
142 struct list_set *map = set->data;
143 struct set_elem *e;
144 u32 i;
145 int ret;
146
147 for (i = 0; i < map->size; i++) {
148 e = list_set_elem(map, i);
149 if (e->id == IPSET_INVALID_ID)
150 return 0;
151 if (SET_WITH_TIMEOUT(set) &&
152 ip_set_timeout_expired(ext_timeout(e, map)))
153 continue;
154 ret = ip_set_del(e->id, skb, par, opt);
155 if (ret == 0)
156 return ret;
157 }
158 return 0;
159}
160
161static int
162list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
163 const struct xt_action_param *par,
164 enum ipset_adt adt, struct ip_set_adt_opt *opt)
165{
166 struct list_set *map = set->data;
167 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, map);
168
169 switch (adt) {
170 case IPSET_TEST:
171 return list_set_ktest(set, skb, par, opt, &ext);
172 case IPSET_ADD:
173 return list_set_kadd(set, skb, par, opt, &ext);
174 case IPSET_DEL:
175 return list_set_kdel(set, skb, par, opt, &ext);
176 default:
177 break;
178 }
179 return -EINVAL;
180}
181
182static bool
183id_eq(const struct ip_set *set, u32 i, ip_set_id_t id)
184{
185 const struct list_set *map = set->data;
186 const struct set_elem *e;
187
188 if (i >= map->size)
189 return 0;
190
191 e = list_set_elem(map, i);
192 return !!(e->id == id &&
193 !(SET_WITH_TIMEOUT(set) &&
194 ip_set_timeout_expired(ext_timeout(e, map))));
195}
196
197static int
198list_set_add(struct ip_set *set, u32 i, struct set_adt_elem *d,
199 const struct ip_set_ext *ext)
200{
201 struct list_set *map = set->data;
202 struct set_elem *e = list_set_elem(map, i);
203
204 if (e->id != IPSET_INVALID_ID) {
205 if (i == map->size - 1)
206
207 ip_set_put_byindex(e->id);
208 else {
209 struct set_elem *x = list_set_elem(map, map->size - 1);
210
211
212 if (x->id != IPSET_INVALID_ID)
213 ip_set_put_byindex(x->id);
214 memmove(list_set_elem(map, i + 1), e,
215 map->dsize * (map->size - (i + 1)));
216 }
217 }
218
219 e->id = d->id;
220 if (SET_WITH_TIMEOUT(set))
221 ip_set_timeout_set(ext_timeout(e, map), ext->timeout);
222 if (SET_WITH_COUNTER(set))
223 ip_set_init_counter(ext_counter(e, map), ext);
224 return 0;
225}
226
227static int
228list_set_del(struct ip_set *set, u32 i)
229{
230 struct list_set *map = set->data;
231 struct set_elem *e = list_set_elem(map, i);
232
233 ip_set_put_byindex(e->id);
234
235 if (i < map->size - 1)
236 memmove(e, list_set_elem(map, i + 1),
237 map->dsize * (map->size - (i + 1)));
238
239
240 e = list_set_elem(map, map->size - 1);
241 e->id = IPSET_INVALID_ID;
242 return 0;
243}
244
245static void
246set_cleanup_entries(struct ip_set *set)
247{
248 struct list_set *map = set->data;
249 struct set_elem *e;
250 u32 i;
251
252 for (i = 0; i < map->size; i++) {
253 e = list_set_elem(map, i);
254 if (e->id != IPSET_INVALID_ID &&
255 ip_set_timeout_expired(ext_timeout(e, map)))
256 list_set_del(set, i);
257 }
258}
259
260static int
261list_set_utest(struct ip_set *set, void *value, const struct ip_set_ext *ext,
262 struct ip_set_ext *mext, u32 flags)
263{
264 struct list_set *map = set->data;
265 struct set_adt_elem *d = value;
266 struct set_elem *e;
267 u32 i;
268 int ret;
269
270 for (i = 0; i < map->size; i++) {
271 e = list_set_elem(map, i);
272 if (e->id == IPSET_INVALID_ID)
273 return 0;
274 else if (SET_WITH_TIMEOUT(set) &&
275 ip_set_timeout_expired(ext_timeout(e, map)))
276 continue;
277 else if (e->id != d->id)
278 continue;
279
280 if (d->before == 0)
281 return 1;
282 else if (d->before > 0)
283 ret = id_eq(set, i + 1, d->refid);
284 else
285 ret = i > 0 && id_eq(set, i - 1, d->refid);
286 return ret;
287 }
288 return 0;
289}
290
291
292static int
293list_set_uadd(struct ip_set *set, void *value, const struct ip_set_ext *ext,
294 struct ip_set_ext *mext, u32 flags)
295{
296 struct list_set *map = set->data;
297 struct set_adt_elem *d = value;
298 struct set_elem *e;
299 bool flag_exist = flags & IPSET_FLAG_EXIST;
300 u32 i, ret = 0;
301
302
303 for (i = 0; i < map->size; i++) {
304 e = list_set_elem(map, i);
305 if (e->id == IPSET_INVALID_ID)
306 goto insert;
307 else if (SET_WITH_TIMEOUT(set) &&
308 ip_set_timeout_expired(ext_timeout(e, map)))
309 continue;
310 else if (e->id != d->id)
311 continue;
312
313 if ((d->before > 1 && !id_eq(set, i + 1, d->refid)) ||
314 (d->before < 0 &&
315 (i == 0 || !id_eq(set, i - 1, d->refid))))
316
317 return -IPSET_ERR_REF_EXIST;
318 if (!flag_exist)
319
320 return -IPSET_ERR_EXIST;
321
322 if (SET_WITH_TIMEOUT(set))
323 ip_set_timeout_set(ext_timeout(e, map), ext->timeout);
324 if (SET_WITH_COUNTER(set))
325 ip_set_init_counter(ext_counter(e, map), ext);
326
327 ip_set_put_byindex(d->id);
328 return 0;
329 }
330insert:
331 ret = -IPSET_ERR_LIST_FULL;
332 for (i = 0; i < map->size && ret == -IPSET_ERR_LIST_FULL; i++) {
333 e = list_set_elem(map, i);
334 if (e->id == IPSET_INVALID_ID)
335 ret = d->before != 0 ? -IPSET_ERR_REF_EXIST
336 : list_set_add(set, i, d, ext);
337 else if (e->id != d->refid)
338 continue;
339 else if (d->before > 0)
340 ret = list_set_add(set, i, d, ext);
341 else if (i + 1 < map->size)
342 ret = list_set_add(set, i + 1, d, ext);
343 }
344
345 return ret;
346}
347
348static int
349list_set_udel(struct ip_set *set, void *value, const struct ip_set_ext *ext,
350 struct ip_set_ext *mext, u32 flags)
351{
352 struct list_set *map = set->data;
353 struct set_adt_elem *d = value;
354 struct set_elem *e;
355 u32 i;
356
357 for (i = 0; i < map->size; i++) {
358 e = list_set_elem(map, i);
359 if (e->id == IPSET_INVALID_ID)
360 return d->before != 0 ? -IPSET_ERR_REF_EXIST
361 : -IPSET_ERR_EXIST;
362 else if (SET_WITH_TIMEOUT(set) &&
363 ip_set_timeout_expired(ext_timeout(e, map)))
364 continue;
365 else if (e->id != d->id)
366 continue;
367
368 if (d->before == 0)
369 return list_set_del(set, i);
370 else if (d->before > 0) {
371 if (!id_eq(set, i + 1, d->refid))
372 return -IPSET_ERR_REF_EXIST;
373 return list_set_del(set, i);
374 } else if (i == 0 || !id_eq(set, i - 1, d->refid))
375 return -IPSET_ERR_REF_EXIST;
376 else
377 return list_set_del(set, i);
378 }
379 return -IPSET_ERR_EXIST;
380}
381
382static int
383list_set_uadt(struct ip_set *set, struct nlattr *tb[],
384 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
385{
386 struct list_set *map = set->data;
387 ipset_adtfn adtfn = set->variant->adt[adt];
388 struct set_adt_elem e = { .refid = IPSET_INVALID_ID };
389 struct ip_set_ext ext = IP_SET_INIT_UEXT(map);
390 struct ip_set *s;
391 int ret = 0;
392
393 if (unlikely(!tb[IPSET_ATTR_NAME] ||
394 !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
395 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
396 !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
397 !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES)))
398 return -IPSET_ERR_PROTOCOL;
399
400 if (tb[IPSET_ATTR_LINENO])
401 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
402
403 ret = ip_set_get_extensions(set, tb, &ext);
404 if (ret)
405 return ret;
406 e.id = ip_set_get_byname(nla_data(tb[IPSET_ATTR_NAME]), &s);
407 if (e.id == IPSET_INVALID_ID)
408 return -IPSET_ERR_NAME;
409
410 if (s->type->features & IPSET_TYPE_NAME) {
411 ret = -IPSET_ERR_LOOP;
412 goto finish;
413 }
414
415 if (tb[IPSET_ATTR_CADT_FLAGS]) {
416 u32 f = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
417 e.before = f & IPSET_FLAG_BEFORE;
418 }
419
420 if (e.before && !tb[IPSET_ATTR_NAMEREF]) {
421 ret = -IPSET_ERR_BEFORE;
422 goto finish;
423 }
424
425 if (tb[IPSET_ATTR_NAMEREF]) {
426 e.refid = ip_set_get_byname(nla_data(tb[IPSET_ATTR_NAMEREF]),
427 &s);
428 if (e.refid == IPSET_INVALID_ID) {
429 ret = -IPSET_ERR_NAMEREF;
430 goto finish;
431 }
432 if (!e.before)
433 e.before = -1;
434 }
435 if (adt != IPSET_TEST && SET_WITH_TIMEOUT(set))
436 set_cleanup_entries(set);
437
438 ret = adtfn(set, &e, &ext, &ext, flags);
439
440finish:
441 if (e.refid != IPSET_INVALID_ID)
442 ip_set_put_byindex(e.refid);
443 if (adt != IPSET_ADD || ret)
444 ip_set_put_byindex(e.id);
445
446 return ip_set_eexist(ret, flags) ? 0 : ret;
447}
448
449static void
450list_set_flush(struct ip_set *set)
451{
452 struct list_set *map = set->data;
453 struct set_elem *e;
454 u32 i;
455
456 for (i = 0; i < map->size; i++) {
457 e = list_set_elem(map, i);
458 if (e->id != IPSET_INVALID_ID) {
459 ip_set_put_byindex(e->id);
460 e->id = IPSET_INVALID_ID;
461 }
462 }
463}
464
465static void
466list_set_destroy(struct ip_set *set)
467{
468 struct list_set *map = set->data;
469
470 if (SET_WITH_TIMEOUT(set))
471 del_timer_sync(&map->gc);
472 list_set_flush(set);
473 kfree(map);
474
475 set->data = NULL;
476}
477
478static int
479list_set_head(struct ip_set *set, struct sk_buff *skb)
480{
481 const struct list_set *map = set->data;
482 struct nlattr *nested;
483
484 nested = ipset_nest_start(skb, IPSET_ATTR_DATA);
485 if (!nested)
486 goto nla_put_failure;
487 if (nla_put_net32(skb, IPSET_ATTR_SIZE, htonl(map->size)) ||
488 (SET_WITH_TIMEOUT(set) &&
489 nla_put_net32(skb, IPSET_ATTR_TIMEOUT, htonl(map->timeout))) ||
490 (SET_WITH_COUNTER(set) &&
491 nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS,
492 htonl(IPSET_FLAG_WITH_COUNTERS))) ||
493 nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1)) ||
494 nla_put_net32(skb, IPSET_ATTR_MEMSIZE,
495 htonl(sizeof(*map) + map->size * map->dsize)))
496 goto nla_put_failure;
497 ipset_nest_end(skb, nested);
498
499 return 0;
500nla_put_failure:
501 return -EMSGSIZE;
502}
503
504static int
505list_set_list(const struct ip_set *set,
506 struct sk_buff *skb, struct netlink_callback *cb)
507{
508 const struct list_set *map = set->data;
509 struct nlattr *atd, *nested;
510 u32 i, first = cb->args[2];
511 const struct set_elem *e;
512
513 atd = ipset_nest_start(skb, IPSET_ATTR_ADT);
514 if (!atd)
515 return -EMSGSIZE;
516 for (; cb->args[2] < map->size; cb->args[2]++) {
517 i = cb->args[2];
518 e = list_set_elem(map, i);
519 if (e->id == IPSET_INVALID_ID)
520 goto finish;
521 if (SET_WITH_TIMEOUT(set) &&
522 ip_set_timeout_expired(ext_timeout(e, map)))
523 continue;
524 nested = ipset_nest_start(skb, IPSET_ATTR_DATA);
525 if (!nested) {
526 if (i == first) {
527 nla_nest_cancel(skb, atd);
528 return -EMSGSIZE;
529 } else
530 goto nla_put_failure;
531 }
532 if (nla_put_string(skb, IPSET_ATTR_NAME,
533 ip_set_name_byindex(e->id)))
534 goto nla_put_failure;
535 if (SET_WITH_TIMEOUT(set) &&
536 nla_put_net32(skb, IPSET_ATTR_TIMEOUT,
537 htonl(ip_set_timeout_get(
538 ext_timeout(e, map)))))
539 goto nla_put_failure;
540 if (SET_WITH_COUNTER(set) &&
541 ip_set_put_counter(skb, ext_counter(e, map)))
542 goto nla_put_failure;
543 ipset_nest_end(skb, nested);
544 }
545finish:
546 ipset_nest_end(skb, atd);
547
548 cb->args[2] = 0;
549 return 0;
550
551nla_put_failure:
552 nla_nest_cancel(skb, nested);
553 ipset_nest_end(skb, atd);
554 if (unlikely(i == first)) {
555 cb->args[2] = 0;
556 return -EMSGSIZE;
557 }
558 return 0;
559}
560
561static bool
562list_set_same_set(const struct ip_set *a, const struct ip_set *b)
563{
564 const struct list_set *x = a->data;
565 const struct list_set *y = b->data;
566
567 return x->size == y->size &&
568 x->timeout == y->timeout &&
569 a->extensions == b->extensions;
570}
571
572static const struct ip_set_type_variant set_variant = {
573 .kadt = list_set_kadt,
574 .uadt = list_set_uadt,
575 .adt = {
576 [IPSET_ADD] = list_set_uadd,
577 [IPSET_DEL] = list_set_udel,
578 [IPSET_TEST] = list_set_utest,
579 },
580 .destroy = list_set_destroy,
581 .flush = list_set_flush,
582 .head = list_set_head,
583 .list = list_set_list,
584 .same_set = list_set_same_set,
585};
586
587static void
588list_set_gc(unsigned long ul_set)
589{
590 struct ip_set *set = (struct ip_set *) ul_set;
591 struct list_set *map = set->data;
592
593 write_lock_bh(&set->lock);
594 set_cleanup_entries(set);
595 write_unlock_bh(&set->lock);
596
597 map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;
598 add_timer(&map->gc);
599}
600
601static void
602list_set_gc_init(struct ip_set *set, void (*gc)(unsigned long ul_set))
603{
604 struct list_set *map = set->data;
605
606 init_timer(&map->gc);
607 map->gc.data = (unsigned long) set;
608 map->gc.function = gc;
609 map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;
610 add_timer(&map->gc);
611}
612
613
614
615static struct list_set *
616init_list_set(struct ip_set *set, u32 size, size_t dsize,
617 unsigned long timeout)
618{
619 struct list_set *map;
620 struct set_elem *e;
621 u32 i;
622
623 map = kzalloc(sizeof(*map) + size * dsize, GFP_KERNEL);
624 if (!map)
625 return NULL;
626
627 map->size = size;
628 map->dsize = dsize;
629 map->timeout = timeout;
630 set->data = map;
631
632 for (i = 0; i < size; i++) {
633 e = list_set_elem(map, i);
634 e->id = IPSET_INVALID_ID;
635 }
636
637 return map;
638}
639
640static int
641list_set_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
642{
643 struct list_set *map;
644 u32 size = IP_SET_LIST_DEFAULT_SIZE, cadt_flags = 0;
645 unsigned long timeout = 0;
646
647 if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_SIZE) ||
648 !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
649 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
650 return -IPSET_ERR_PROTOCOL;
651
652 if (tb[IPSET_ATTR_SIZE])
653 size = ip_set_get_h32(tb[IPSET_ATTR_SIZE]);
654 if (size < IP_SET_LIST_MIN_SIZE)
655 size = IP_SET_LIST_MIN_SIZE;
656
657 if (tb[IPSET_ATTR_CADT_FLAGS])
658 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
659 if (tb[IPSET_ATTR_TIMEOUT])
660 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
661 set->variant = &set_variant;
662 if (cadt_flags & IPSET_FLAG_WITH_COUNTERS) {
663 set->extensions |= IPSET_EXT_COUNTER;
664 if (tb[IPSET_ATTR_TIMEOUT]) {
665 map = init_list_set(set, size,
666 sizeof(struct setct_elem), timeout);
667 if (!map)
668 return -ENOMEM;
669 set->extensions |= IPSET_EXT_TIMEOUT;
670 map->offset[IPSET_OFFSET_TIMEOUT] =
671 offsetof(struct setct_elem, timeout);
672 map->offset[IPSET_OFFSET_COUNTER] =
673 offsetof(struct setct_elem, counter);
674 list_set_gc_init(set, list_set_gc);
675 } else {
676 map = init_list_set(set, size,
677 sizeof(struct setc_elem), 0);
678 if (!map)
679 return -ENOMEM;
680 map->offset[IPSET_OFFSET_COUNTER] =
681 offsetof(struct setc_elem, counter);
682 }
683 } else if (tb[IPSET_ATTR_TIMEOUT]) {
684 map = init_list_set(set, size,
685 sizeof(struct sett_elem), timeout);
686 if (!map)
687 return -ENOMEM;
688 set->extensions |= IPSET_EXT_TIMEOUT;
689 map->offset[IPSET_OFFSET_TIMEOUT] =
690 offsetof(struct sett_elem, timeout);
691 list_set_gc_init(set, list_set_gc);
692 } else {
693 map = init_list_set(set, size, sizeof(struct set_elem), 0);
694 if (!map)
695 return -ENOMEM;
696 }
697 return 0;
698}
699
700static struct ip_set_type list_set_type __read_mostly = {
701 .name = "list:set",
702 .protocol = IPSET_PROTOCOL,
703 .features = IPSET_TYPE_NAME | IPSET_DUMP_LAST,
704 .dimension = IPSET_DIM_ONE,
705 .family = NFPROTO_UNSPEC,
706 .revision_min = REVISION_MIN,
707 .revision_max = REVISION_MAX,
708 .create = list_set_create,
709 .create_policy = {
710 [IPSET_ATTR_SIZE] = { .type = NLA_U32 },
711 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
712 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
713 },
714 .adt_policy = {
715 [IPSET_ATTR_NAME] = { .type = NLA_STRING,
716 .len = IPSET_MAXNAMELEN },
717 [IPSET_ATTR_NAMEREF] = { .type = NLA_STRING,
718 .len = IPSET_MAXNAMELEN },
719 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
720 [IPSET_ATTR_LINENO] = { .type = NLA_U32 },
721 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
722 [IPSET_ATTR_BYTES] = { .type = NLA_U64 },
723 [IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
724 },
725 .me = THIS_MODULE,
726};
727
728static int __init
729list_set_init(void)
730{
731 return ip_set_type_register(&list_set_type);
732}
733
734static void __exit
735list_set_fini(void)
736{
737 ip_set_type_unregister(&list_set_type);
738}
739
740module_init(list_set_init);
741module_exit(list_set_fini);
742
