[mirror_ubuntu-hirsute-kernel.git] / net / netfilter / ipset / ip_set_bitmap_gen.h

/* Copyright (C) 2013 Jozsef Kadlecsik <kadlec@netfilter.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __IP_SET_BITMAP_IP_GEN_H
#define __IP_SET_BITMAP_IP_GEN_H

#define mtype_do_test		IPSET_TOKEN(MTYPE, _do_test)
#define mtype_gc_test		IPSET_TOKEN(MTYPE, _gc_test)
#define mtype_is_filled		IPSET_TOKEN(MTYPE, _is_filled)
#define mtype_do_add		IPSET_TOKEN(MTYPE, _do_add)
#define mtype_ext_cleanup	IPSET_TOKEN(MTYPE, _ext_cleanup)
#define mtype_do_del		IPSET_TOKEN(MTYPE, _do_del)
#define mtype_do_list		IPSET_TOKEN(MTYPE, _do_list)
#define mtype_do_head		IPSET_TOKEN(MTYPE, _do_head)
#define mtype_adt_elem		IPSET_TOKEN(MTYPE, _adt_elem)
#define mtype_add_timeout	IPSET_TOKEN(MTYPE, _add_timeout)
#define mtype_gc_init		IPSET_TOKEN(MTYPE, _gc_init)
#define mtype_kadt		IPSET_TOKEN(MTYPE, _kadt)
#define mtype_uadt		IPSET_TOKEN(MTYPE, _uadt)
#define mtype_destroy		IPSET_TOKEN(MTYPE, _destroy)
#define mtype_memsize		IPSET_TOKEN(MTYPE, _memsize)
#define mtype_flush		IPSET_TOKEN(MTYPE, _flush)
#define mtype_head		IPSET_TOKEN(MTYPE, _head)
#define mtype_same_set		IPSET_TOKEN(MTYPE, _same_set)
#define mtype_elem		IPSET_TOKEN(MTYPE, _elem)
#define mtype_test		IPSET_TOKEN(MTYPE, _test)
#define mtype_add		IPSET_TOKEN(MTYPE, _add)
#define mtype_del		IPSET_TOKEN(MTYPE, _del)
#define mtype_list		IPSET_TOKEN(MTYPE, _list)
#define mtype_gc		IPSET_TOKEN(MTYPE, _gc)
#define mtype			MTYPE

#define get_ext(set, map, id)	((map)->extensions + ((set)->dsize * (id)))

static void
mtype_gc_init(struct ip_set *set, void (*gc)(struct timer_list *t))
{
	struct mtype *map = set->data;

	timer_setup(&map->gc, gc, 0);
	mod_timer(&map->gc, jiffies + IPSET_GC_PERIOD(set->timeout) * HZ);
}

static void
mtype_ext_cleanup(struct ip_set *set)
{
	struct mtype *map = set->data;
	u32 id;

	for (id = 0; id < map->elements; id++)
		if (test_bit(id, map->members))
			ip_set_ext_destroy(set, get_ext(set, map, id));
}

static void
mtype_destroy(struct ip_set *set)
{
	struct mtype *map = set->data;

	if (SET_WITH_TIMEOUT(set))
		del_timer_sync(&map->gc);

	ip_set_free(map->members);
	if (set->dsize && set->extensions & IPSET_EXT_DESTROY)
		mtype_ext_cleanup(set);
	ip_set_free(map);

	set->data = NULL;
}

static void
mtype_flush(struct ip_set *set)
{
	struct mtype *map = set->data;

	if (set->extensions & IPSET_EXT_DESTROY)
		mtype_ext_cleanup(set);
	memset(map->members, 0, map->memsize);
	set->elements = 0;
	set->ext_size = 0;
}

/* Calculate the actual memory size of the set data */
static size_t
mtype_memsize(const struct mtype *map, size_t dsize)
{
	return sizeof(*map) + map->memsize +
	       map->elements * dsize;
}

static int
mtype_head(struct ip_set *set, struct sk_buff *skb)
{
	const struct mtype *map = set->data;
	struct nlattr *nested;
	size_t memsize = mtype_memsize(map, set->dsize) + set->ext_size;

	nested = nla_nest_start(skb, IPSET_ATTR_DATA);
	if (!nested)
		goto nla_put_failure;
	if (mtype_do_head(skb, map) ||
	    nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref)) ||
	    nla_put_net32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize)) ||
	    nla_put_net32(skb, IPSET_ATTR_ELEMENTS, htonl(set->elements)))
		goto nla_put_failure;
	if (unlikely(ip_set_put_flags(skb, set)))
		goto nla_put_failure;
	nla_nest_end(skb, nested);

	return 0;
nla_put_failure:
	return -EMSGSIZE;
}

static int
mtype_test(struct ip_set *set, void *value, const struct ip_set_ext *ext,
	   struct ip_set_ext *mext, u32 flags)
{
	struct mtype *map = set->data;
	const struct mtype_adt_elem *e = value;
	void *x = get_ext(set, map, e->id);
	int ret = mtype_do_test(e, map, set->dsize);

	if (ret <= 0)
		return ret;
	return ip_set_match_extensions(set, ext, mext, flags, x);
}

static int
mtype_add(struct ip_set *set, void *value, const struct ip_set_ext *ext,
	  struct ip_set_ext *mext, u32 flags)
{
	struct mtype *map = set->data;
	const struct mtype_adt_elem *e = value;
	void *x = get_ext(set, map, e->id);
	int ret = mtype_do_add(e, map, flags, set->dsize);

	if (ret == IPSET_ADD_FAILED) {
		if (SET_WITH_TIMEOUT(set) &&
		    ip_set_timeout_expired(ext_timeout(x, set))) {
			set->elements--;
			ret = 0;
		} else if (!(flags & IPSET_FLAG_EXIST)) {
			set_bit(e->id, map->members);
			return -IPSET_ERR_EXIST;
		}
		/* Element is re-added, cleanup extensions */
		ip_set_ext_destroy(set, x);
	}
	if (ret > 0)
		set->elements--;

	if (SET_WITH_TIMEOUT(set))
#ifdef IP_SET_BITMAP_STORED_TIMEOUT
		mtype_add_timeout(ext_timeout(x, set), e, ext, set, map, ret);
#else
		ip_set_timeout_set(ext_timeout(x, set), ext->timeout);
#endif

	if (SET_WITH_COUNTER(set))
		ip_set_init_counter(ext_counter(x, set), ext);
	if (SET_WITH_COMMENT(set))
		ip_set_init_comment(set, ext_comment(x, set), ext);
	if (SET_WITH_SKBINFO(set))
		ip_set_init_skbinfo(ext_skbinfo(x, set), ext);

	/* Activate element */
	set_bit(e->id, map->members);
	set->elements++;

	return 0;
}

static int
mtype_del(struct ip_set *set, void *value, const struct ip_set_ext *ext,
	  struct ip_set_ext *mext, u32 flags)
{
	struct mtype *map = set->data;
	const struct mtype_adt_elem *e = value;
	void *x = get_ext(set, map, e->id);

	if (mtype_do_del(e, map))
		return -IPSET_ERR_EXIST;

	ip_set_ext_destroy(set, x);
	set->elements--;
	if (SET_WITH_TIMEOUT(set) &&
	    ip_set_timeout_expired(ext_timeout(x, set)))
		return -IPSET_ERR_EXIST;

	return 0;
}

#ifndef IP_SET_BITMAP_STORED_TIMEOUT
static inline bool
mtype_is_filled(const struct mtype_elem *x)
{
	return true;
}
#endif

static int
mtype_list(const struct ip_set *set,
	   struct sk_buff *skb, struct netlink_callback *cb)
{
	struct mtype *map = set->data;
	struct nlattr *adt, *nested;
	void *x;
	u32 id, first = cb->args[IPSET_CB_ARG0];
	int ret = 0;

	adt = nla_nest_start(skb, IPSET_ATTR_ADT);
	if (!adt)
		return -EMSGSIZE;
	/* Extensions may be replaced */
	rcu_read_lock();
	for (; cb->args[IPSET_CB_ARG0] < map->elements;
	     cb->args[IPSET_CB_ARG0]++) {
		cond_resched_rcu();
		id = cb->args[IPSET_CB_ARG0];
		x = get_ext(set, map, id);
		if (!test_bit(id, map->members) ||
		    (SET_WITH_TIMEOUT(set) &&
#ifdef IP_SET_BITMAP_STORED_TIMEOUT
		     mtype_is_filled(x) &&
#endif
		     ip_set_timeout_expired(ext_timeout(x, set))))
			continue;
		nested = nla_nest_start(skb, IPSET_ATTR_DATA);
		if (!nested) {
			if (id == first) {
				nla_nest_cancel(skb, adt);
				ret = -EMSGSIZE;
				goto out;
			}

			goto nla_put_failure;
		}
		if (mtype_do_list(skb, map, id, set->dsize))
			goto nla_put_failure;
		if (ip_set_put_extensions(skb, set, x, mtype_is_filled(x)))
			goto nla_put_failure;
		nla_nest_end(skb, nested);
	}
	nla_nest_end(skb, adt);

	/* Set listing finished */
	cb->args[IPSET_CB_ARG0] = 0;

	goto out;

nla_put_failure:
	nla_nest_cancel(skb, nested);
	if (unlikely(id == first)) {
		cb->args[IPSET_CB_ARG0] = 0;
		ret = -EMSGSIZE;
	}
	nla_nest_end(skb, adt);
out:
	rcu_read_unlock();
	return ret;
}

static void
mtype_gc(struct timer_list *t)
{
	struct mtype *map = from_timer(map, t, gc);
	struct ip_set *set = map->set;
	void *x;
	u32 id;

	/* We run parallel with other readers (test element)
	 * but adding/deleting new entries is locked out
	 */
	spin_lock_bh(&set->lock);
	for (id = 0; id < map->elements; id++)
		if (mtype_gc_test(id, map, set->dsize)) {
			x = get_ext(set, map, id);
			if (ip_set_timeout_expired(ext_timeout(x, set))) {
				clear_bit(id, map->members);
				ip_set_ext_destroy(set, x);
				set->elements--;
			}
		}
	spin_unlock_bh(&set->lock);

	map->gc.expires = jiffies + IPSET_GC_PERIOD(set->timeout) * HZ;
	add_timer(&map->gc);
}

static const struct ip_set_type_variant mtype = {
	.kadt	= mtype_kadt,
	.uadt	= mtype_uadt,
	.adt	= {
		[IPSET_ADD] = mtype_add,
		[IPSET_DEL] = mtype_del,
		[IPSET_TEST] = mtype_test,
	},
	.destroy = mtype_destroy,
	.flush	= mtype_flush,
	.head	= mtype_head,
	.list	= mtype_list,
	.same_set = mtype_same_set,
};

#endif /* __IP_SET_BITMAP_IP_GEN_H */
Commit	Line	Data
fe03d474	1	/* Copyright (C) 2013 Jozsef Kadlecsik <kadlec@netfilter.org>
4d73de38 JK	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	#ifndef __IP_SET_BITMAP_IP_GEN_H
	9	#define __IP_SET_BITMAP_IP_GEN_H
	10
35b8dcf8 JK	11	#define mtype_do_test IPSET_TOKEN(MTYPE, _do_test)
	12	#define mtype_gc_test IPSET_TOKEN(MTYPE, _gc_test)
	13	#define mtype_is_filled IPSET_TOKEN(MTYPE, _is_filled)
	14	#define mtype_do_add IPSET_TOKEN(MTYPE, _do_add)
40cd63bf	15	#define mtype_ext_cleanup IPSET_TOKEN(MTYPE, _ext_cleanup)
35b8dcf8 JK	16	#define mtype_do_del IPSET_TOKEN(MTYPE, _do_del)
	17	#define mtype_do_list IPSET_TOKEN(MTYPE, _do_list)
	18	#define mtype_do_head IPSET_TOKEN(MTYPE, _do_head)
	19	#define mtype_adt_elem IPSET_TOKEN(MTYPE, _adt_elem)
	20	#define mtype_add_timeout IPSET_TOKEN(MTYPE, _add_timeout)
	21	#define mtype_gc_init IPSET_TOKEN(MTYPE, _gc_init)
	22	#define mtype_kadt IPSET_TOKEN(MTYPE, _kadt)
	23	#define mtype_uadt IPSET_TOKEN(MTYPE, _uadt)
	24	#define mtype_destroy IPSET_TOKEN(MTYPE, _destroy)
722a9451	25	#define mtype_memsize IPSET_TOKEN(MTYPE, _memsize)
35b8dcf8 JK	26	#define mtype_flush IPSET_TOKEN(MTYPE, _flush)
	27	#define mtype_head IPSET_TOKEN(MTYPE, _head)
	28	#define mtype_same_set IPSET_TOKEN(MTYPE, _same_set)
	29	#define mtype_elem IPSET_TOKEN(MTYPE, _elem)
	30	#define mtype_test IPSET_TOKEN(MTYPE, _test)
	31	#define mtype_add IPSET_TOKEN(MTYPE, _add)
	32	#define mtype_del IPSET_TOKEN(MTYPE, _del)
	33	#define mtype_list IPSET_TOKEN(MTYPE, _list)
	34	#define mtype_gc IPSET_TOKEN(MTYPE, _gc)
4d73de38 JK	35	#define mtype MTYPE
4d73de38 JK	36
95ad1f4a	37	#define get_ext(set, map, id) ((map)->extensions + ((set)->dsize * (id)))
4d73de38 JK	38
4d73de38 JK	39	static void
a92c5751	40	mtype_gc_init(struct ip_set set, void (gc)(struct timer_list *t))
4d73de38 JK	41	{
	42	struct mtype *map = set->data;
	43
a92c5751	44	timer_setup(&map->gc, gc, 0);
fcb58a03	45	mod_timer(&map->gc, jiffies + IPSET_GC_PERIOD(set->timeout) * HZ);
4d73de38 JK	46	}
4d73de38 JK	47
40cd63bf JK	48	static void
	49	mtype_ext_cleanup(struct ip_set *set)
	50	{
	51	struct mtype *map = set->data;
	52	u32 id;
	53
	54	for (id = 0; id < map->elements; id++)
	55	if (test_bit(id, map->members))
	56	ip_set_ext_destroy(set, get_ext(set, map, id));
	57	}
	58
4d73de38 JK	59	static void
	60	mtype_destroy(struct ip_set *set)
	61	{
	62	struct mtype *map = set->data;
	63
	64	if (SET_WITH_TIMEOUT(set))
	65	del_timer_sync(&map->gc);
	66
	67	ip_set_free(map->members);
95ad1f4a JK	68	if (set->dsize && set->extensions & IPSET_EXT_DESTROY)
	69	mtype_ext_cleanup(set);
	70	ip_set_free(map);
4d73de38 JK	71
	72	set->data = NULL;
	73	}
	74
	75	static void
	76	mtype_flush(struct ip_set *set)
	77	{
	78	struct mtype *map = set->data;
	79
40cd63bf JK	80	if (set->extensions & IPSET_EXT_DESTROY)
40cd63bf JK	81	mtype_ext_cleanup(set);
4d73de38	82	memset(map->members, 0, map->memsize);
702b71e7	83	set->elements = 0;
9e41f26a	84	set->ext_size = 0;
4d73de38 JK	85	}
4d73de38 JK	86
722a9451 JK	87	/* Calculate the actual memory size of the set data */
	88	static size_t
	89	mtype_memsize(const struct mtype *map, size_t dsize)
	90	{
	91	return sizeof(*map) + map->memsize +
	92	map->elements * dsize;
	93	}
	94
4d73de38 JK	95	static int
	96	mtype_head(struct ip_set set, struct sk_buff skb)
	97	{
	98	const struct mtype *map = set->data;
	99	struct nlattr *nested;
9e41f26a	100	size_t memsize = mtype_memsize(map, set->dsize) + set->ext_size;
4d73de38	101
12ad5f65	102	nested = nla_nest_start(skb, IPSET_ATTR_DATA);
4d73de38 JK	103	if (!nested)
	104	goto nla_put_failure;
	105	if (mtype_do_head(skb, map) \|\|
596cf3fe	106	nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref)) \|\|
702b71e7 JK	107	nla_put_net32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize)) \|\|
702b71e7 JK	108	nla_put_net32(skb, IPSET_ATTR_ELEMENTS, htonl(set->elements)))
b90cb8ba OS	109	goto nla_put_failure;
b90cb8ba OS	110	if (unlikely(ip_set_put_flags(skb, set)))
4d73de38	111	goto nla_put_failure;
12ad5f65	112	nla_nest_end(skb, nested);
4d73de38 JK	113
	114	return 0;
	115	nla_put_failure:
	116	return -EMSGSIZE;
	117	}
	118
	119	static int
	120	mtype_test(struct ip_set set, void value, const struct ip_set_ext *ext,
	121	struct ip_set_ext *mext, u32 flags)
	122	{
	123	struct mtype *map = set->data;
	124	const struct mtype_adt_elem *e = value;
ca134ce8 JK	125	void *x = get_ext(set, map, e->id);
ca134ce8 JK	126	int ret = mtype_do_test(e, map, set->dsize);
4d73de38 JK	127
	128	if (ret <= 0)
	129	return ret;
4750005a	130	return ip_set_match_extensions(set, ext, mext, flags, x);
4d73de38 JK	131	}
	132
	133	static int
	134	mtype_add(struct ip_set set, void value, const struct ip_set_ext *ext,
	135	struct ip_set_ext *mext, u32 flags)
	136	{
	137	struct mtype *map = set->data;
	138	const struct mtype_adt_elem *e = value;
ca134ce8 JK	139	void *x = get_ext(set, map, e->id);
ca134ce8 JK	140	int ret = mtype_do_add(e, map, flags, set->dsize);
4d73de38 JK	141
	142	if (ret == IPSET_ADD_FAILED) {
	143	if (SET_WITH_TIMEOUT(set) &&
96f51428	144	ip_set_timeout_expired(ext_timeout(x, set))) {
702b71e7	145	set->elements--;
4d73de38	146	ret = 0;
96f51428 JK	147	} else if (!(flags & IPSET_FLAG_EXIST)) {
96f51428 JK	148	set_bit(e->id, map->members);
4d73de38	149	return -IPSET_ERR_EXIST;
96f51428	150	}
40cd63bf JK	151	/* Element is re-added, cleanup extensions */
40cd63bf JK	152	ip_set_ext_destroy(set, x);
4d73de38	153	}
702b71e7 JK	154	if (ret > 0)
702b71e7 JK	155	set->elements--;
4d73de38 JK	156
	157	if (SET_WITH_TIMEOUT(set))
	158	#ifdef IP_SET_BITMAP_STORED_TIMEOUT
ca134ce8	159	mtype_add_timeout(ext_timeout(x, set), e, ext, set, map, ret);
4d73de38	160	#else
ca134ce8	161	ip_set_timeout_set(ext_timeout(x, set), ext->timeout);
4d73de38 JK	162	#endif
4d73de38 JK	163
f48d19db	164	if (SET_WITH_COUNTER(set))
ca134ce8	165	ip_set_init_counter(ext_counter(x, set), ext);
b90cb8ba	166	if (SET_WITH_COMMENT(set))
9e41f26a	167	ip_set_init_comment(set, ext_comment(x, set), ext);
39d1ecf1 AD	168	if (SET_WITH_SKBINFO(set))
39d1ecf1 AD	169	ip_set_init_skbinfo(ext_skbinfo(x, set), ext);
96f51428 JK	170
	171	/* Activate element */
	172	set_bit(e->id, map->members);
702b71e7	173	set->elements++;
96f51428	174
4d73de38 JK	175	return 0;
	176	}
	177
	178	static int
	179	mtype_del(struct ip_set set, void value, const struct ip_set_ext *ext,
	180	struct ip_set_ext *mext, u32 flags)
	181	{
	182	struct mtype *map = set->data;
	183	const struct mtype_adt_elem *e = value;
40cd63bf	184	void *x = get_ext(set, map, e->id);
4d73de38	185
40cd63bf JK	186	if (mtype_do_del(e, map))
	187	return -IPSET_ERR_EXIST;
	188
	189	ip_set_ext_destroy(set, x);
702b71e7	190	set->elements--;
40cd63bf JK	191	if (SET_WITH_TIMEOUT(set) &&
40cd63bf JK	192	ip_set_timeout_expired(ext_timeout(x, set)))
4d73de38 JK	193	return -IPSET_ERR_EXIST;
	194
	195	return 0;
	196	}
	197
3fd986b3 JK	198	#ifndef IP_SET_BITMAP_STORED_TIMEOUT
	199	static inline bool
	200	mtype_is_filled(const struct mtype_elem *x)
	201	{
	202	return true;
	203	}
	204	#endif
	205
4d73de38 JK	206	static int
	207	mtype_list(const struct ip_set *set,
	208	struct sk_buff skb, struct netlink_callback cb)
	209	{
	210	struct mtype *map = set->data;
	211	struct nlattr adt, nested;
	212	void *x;
93302880	213	u32 id, first = cb->args[IPSET_CB_ARG0];
96f51428	214	int ret = 0;
4d73de38	215
12ad5f65	216	adt = nla_nest_start(skb, IPSET_ATTR_ADT);
4d73de38 JK	217	if (!adt)
4d73de38 JK	218	return -EMSGSIZE;
96f51428 JK	219	/* Extensions may be replaced */
96f51428 JK	220	rcu_read_lock();
93302880 JK	221	for (; cb->args[IPSET_CB_ARG0] < map->elements;
93302880 JK	222	cb->args[IPSET_CB_ARG0]++) {
a778a15f	223	cond_resched_rcu();
93302880	224	id = cb->args[IPSET_CB_ARG0];
ca134ce8	225	x = get_ext(set, map, id);
4d73de38 JK	226	if (!test_bit(id, map->members) \|\|
	227	(SET_WITH_TIMEOUT(set) &&
	228	#ifdef IP_SET_BITMAP_STORED_TIMEOUT
68ad546a	229	mtype_is_filled(x) &&
4d73de38	230	#endif
ca134ce8	231	ip_set_timeout_expired(ext_timeout(x, set))))
4d73de38	232	continue;
12ad5f65	233	nested = nla_nest_start(skb, IPSET_ATTR_DATA);
4d73de38 JK	234	if (!nested) {
	235	if (id == first) {
	236	nla_nest_cancel(skb, adt);
96f51428 JK	237	ret = -EMSGSIZE;
	238	goto out;
	239	}
	240
	241	goto nla_put_failure;
4d73de38	242	}
ca134ce8	243	if (mtype_do_list(skb, map, id, set->dsize))
4d73de38	244	goto nla_put_failure;
68ad546a	245	if (ip_set_put_extensions(skb, set, x, mtype_is_filled(x)))
b90cb8ba	246	goto nla_put_failure;
12ad5f65	247	nla_nest_end(skb, nested);
4d73de38	248	}
12ad5f65	249	nla_nest_end(skb, adt);
4d73de38 JK	250
4d73de38 JK	251	/* Set listing finished */
93302880	252	cb->args[IPSET_CB_ARG0] = 0;
4d73de38	253
96f51428	254	goto out;
4d73de38 JK	255
	256	nla_put_failure:
	257	nla_nest_cancel(skb, nested);
4d73de38	258	if (unlikely(id == first)) {
93302880	259	cb->args[IPSET_CB_ARG0] = 0;
96f51428	260	ret = -EMSGSIZE;
4d73de38	261	}
12ad5f65	262	nla_nest_end(skb, adt);
96f51428 JK	263	out:
	264	rcu_read_unlock();
	265	return ret;
4d73de38 JK	266	}
	267
	268	static void
a92c5751	269	mtype_gc(struct timer_list *t)
4d73de38	270	{
a92c5751 KC	271	struct mtype *map = from_timer(map, t, gc);
a92c5751 KC	272	struct ip_set *set = map->set;
40cd63bf	273	void *x;
4d73de38 JK	274	u32 id;
	275
	276	/* We run parallel with other readers (test element)
ca0f6a5c JK	277	* but adding/deleting new entries is locked out
ca0f6a5c JK	278	*/
96f51428	279	spin_lock_bh(&set->lock);
4d73de38	280	for (id = 0; id < map->elements; id++)
ca134ce8 JK	281	if (mtype_gc_test(id, map, set->dsize)) {
ca134ce8 JK	282	x = get_ext(set, map, id);
40cd63bf	283	if (ip_set_timeout_expired(ext_timeout(x, set))) {
4d73de38	284	clear_bit(id, map->members);
40cd63bf	285	ip_set_ext_destroy(set, x);
702b71e7	286	set->elements--;
40cd63bf	287	}
4d73de38	288	}
96f51428	289	spin_unlock_bh(&set->lock);
4d73de38	290
ca134ce8	291	map->gc.expires = jiffies + IPSET_GC_PERIOD(set->timeout) * HZ;
4d73de38 JK	292	add_timer(&map->gc);
	293	}
	294
	295	static const struct ip_set_type_variant mtype = {
	296	.kadt = mtype_kadt,
	297	.uadt = mtype_uadt,
	298	.adt = {
	299	[IPSET_ADD] = mtype_add,
	300	[IPSET_DEL] = mtype_del,
	301	[IPSET_TEST] = mtype_test,
	302	},
	303	.destroy = mtype_destroy,
	304	.flush = mtype_flush,
	305	.head = mtype_head,
	306	.list = mtype_list,
	307	.same_set = mtype_same_set,
	308	};
	309
	310	#endif /* __IP_SET_BITMAP_IP_GEN_H */