1 /* Copyright (C) 2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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.
8 /* Kernel module implementing an IP set type: the hash:net,iface type */
10 #include <linux/jhash.h>
11 #include <linux/module.h>
13 #include <linux/skbuff.h>
14 #include <linux/errno.h>
15 #include <linux/random.h>
16 #include <linux/rbtree.h>
19 #include <net/netlink.h>
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_hash.h>
27 MODULE_LICENSE("GPL");
28 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
29 MODULE_DESCRIPTION("hash:net,iface type of IP sets");
30 MODULE_ALIAS("ip_set_hash:net,iface");
32 /* Interface name rbtree */
39 #define iface_data(n) (rb_entry(n, struct iface_node, node)->iface)
42 rbtree_destroy(struct rb_root
*root
)
44 struct rb_node
*p
, *n
= root
->rb_node
;
45 struct iface_node
*node
;
47 /* Non-recursive destroy, like in ext3 */
58 node
= rb_entry(n
, struct iface_node
, node
);
61 else if (p
->rb_left
== n
)
63 else if (p
->rb_right
== n
)
72 iface_test(struct rb_root
*root
, const char **iface
)
74 struct rb_node
*n
= root
->rb_node
;
77 const char *d
= iface_data(n
);
78 int res
= strcmp(*iface
, d
);
93 iface_add(struct rb_root
*root
, const char **iface
)
95 struct rb_node
**n
= &(root
->rb_node
), *p
= NULL
;
99 char *ifname
= iface_data(*n
);
100 int res
= strcmp(*iface
, ifname
);
104 n
= &((*n
)->rb_left
);
106 n
= &((*n
)->rb_right
);
113 d
= kzalloc(sizeof(*d
), GFP_ATOMIC
);
116 strcpy(d
->iface
, *iface
);
118 rb_link_node(&d
->node
, p
, n
);
119 rb_insert_color(&d
->node
, root
);
125 /* Type specific function prefix */
126 #define TYPE hash_netiface
129 hash_netiface_same_set(const struct ip_set
*a
, const struct ip_set
*b
);
131 #define hash_netiface4_same_set hash_netiface_same_set
132 #define hash_netiface6_same_set hash_netiface_same_set
134 #define STREQ(a, b) (strcmp(a, b) == 0)
136 /* The type variant functions: IPv4 */
138 struct hash_netiface4_elem_hashed
{
146 #define HKEY_DATALEN sizeof(struct hash_netiface4_elem_hashed)
148 /* Member elements without timeout */
149 struct hash_netiface4_elem
{
158 /* Member elements with timeout support */
159 struct hash_netiface4_telem
{
166 unsigned long timeout
;
170 hash_netiface4_data_equal(const struct hash_netiface4_elem
*ip1
,
171 const struct hash_netiface4_elem
*ip2
,
174 return ip1
->ip
== ip2
->ip
&&
175 ip1
->cidr
== ip2
->cidr
&&
177 ip1
->physdev
== ip2
->physdev
&&
178 ip1
->iface
== ip2
->iface
;
182 hash_netiface4_data_isnull(const struct hash_netiface4_elem
*elem
)
184 return elem
->cidr
== 0;
188 hash_netiface4_data_copy(struct hash_netiface4_elem
*dst
,
189 const struct hash_netiface4_elem
*src
)
192 dst
->cidr
= src
->cidr
;
193 dst
->physdev
= src
->physdev
;
194 dst
->iface
= src
->iface
;
195 dst
->nomatch
= src
->nomatch
;
199 hash_netiface4_data_flags(struct hash_netiface4_elem
*dst
, u32 flags
)
201 dst
->nomatch
= flags
& IPSET_FLAG_NOMATCH
;
205 hash_netiface4_data_match(const struct hash_netiface4_elem
*elem
)
207 return !elem
->nomatch
;
211 hash_netiface4_data_netmask(struct hash_netiface4_elem
*elem
, u8 cidr
)
213 elem
->ip
&= ip_set_netmask(cidr
);
218 hash_netiface4_data_zero_out(struct hash_netiface4_elem
*elem
)
224 hash_netiface4_data_list(struct sk_buff
*skb
,
225 const struct hash_netiface4_elem
*data
)
227 u32 flags
= data
->physdev
? IPSET_FLAG_PHYSDEV
: 0;
230 flags
|= IPSET_FLAG_NOMATCH
;
231 if (nla_put_ipaddr4(skb
, IPSET_ATTR_IP
, data
->ip
) ||
232 nla_put_u8(skb
, IPSET_ATTR_CIDR
, data
->cidr
) ||
233 nla_put_string(skb
, IPSET_ATTR_IFACE
, data
->iface
) ||
235 nla_put_net32(skb
, IPSET_ATTR_CADT_FLAGS
, htonl(flags
))))
236 goto nla_put_failure
;
244 hash_netiface4_data_tlist(struct sk_buff
*skb
,
245 const struct hash_netiface4_elem
*data
)
247 const struct hash_netiface4_telem
*tdata
=
248 (const struct hash_netiface4_telem
*)data
;
249 u32 flags
= data
->physdev
? IPSET_FLAG_PHYSDEV
: 0;
252 flags
|= IPSET_FLAG_NOMATCH
;
253 if (nla_put_ipaddr4(skb
, IPSET_ATTR_IP
, data
->ip
) ||
254 nla_put_u8(skb
, IPSET_ATTR_CIDR
, data
->cidr
) ||
255 nla_put_string(skb
, IPSET_ATTR_IFACE
, data
->iface
) ||
257 nla_put_net32(skb
, IPSET_ATTR_CADT_FLAGS
, htonl(flags
))) ||
258 nla_put_net32(skb
, IPSET_ATTR_TIMEOUT
,
259 htonl(ip_set_timeout_get(tdata
->timeout
))))
260 goto nla_put_failure
;
268 #define IP_SET_HASH_WITH_NETS
269 #define IP_SET_HASH_WITH_RBTREE
270 #define IP_SET_HASH_WITH_MULTI
274 #include <linux/netfilter/ipset/ip_set_ahash.h>
277 hash_netiface4_data_next(struct ip_set_hash
*h
,
278 const struct hash_netiface4_elem
*d
)
280 h
->next
.ip
= ntohl(d
->ip
);
284 hash_netiface4_kadt(struct ip_set
*set
, const struct sk_buff
*skb
,
285 const struct xt_action_param
*par
,
286 enum ipset_adt adt
, const struct ip_set_adt_opt
*opt
)
288 struct ip_set_hash
*h
= set
->data
;
289 ipset_adtfn adtfn
= set
->variant
->adt
[adt
];
290 struct hash_netiface4_elem data
= {
291 .cidr
= h
->nets
[0].cidr
? h
->nets
[0].cidr
: HOST_MASK
297 if (adt
== IPSET_TEST
)
298 data
.cidr
= HOST_MASK
;
300 ip4addrptr(skb
, opt
->flags
& IPSET_DIM_ONE_SRC
, &data
.ip
);
301 data
.ip
&= ip_set_netmask(data
.cidr
);
303 #define IFACE(dir) (par->dir ? par->dir->name : NULL)
304 #define PHYSDEV(dir) (nf_bridge->dir ? nf_bridge->dir->name : NULL)
305 #define SRCDIR (opt->flags & IPSET_DIM_TWO_SRC)
307 if (opt
->cmdflags
& IPSET_FLAG_PHYSDEV
) {
308 #ifdef CONFIG_BRIDGE_NETFILTER
309 const struct nf_bridge_info
*nf_bridge
= skb
->nf_bridge
;
313 data
.iface
= SRCDIR
? PHYSDEV(physindev
) : PHYSDEV(physoutdev
);
319 data
.iface
= SRCDIR
? IFACE(in
) : IFACE(out
);
323 ret
= iface_test(&h
->rbtree
, &data
.iface
);
324 if (adt
== IPSET_ADD
) {
326 ret
= iface_add(&h
->rbtree
, &data
.iface
);
333 return adtfn(set
, &data
, opt_timeout(opt
, h
), opt
->cmdflags
);
337 hash_netiface4_uadt(struct ip_set
*set
, struct nlattr
*tb
[],
338 enum ipset_adt adt
, u32
*lineno
, u32 flags
, bool retried
)
340 struct ip_set_hash
*h
= set
->data
;
341 ipset_adtfn adtfn
= set
->variant
->adt
[adt
];
342 struct hash_netiface4_elem data
= { .cidr
= HOST_MASK
};
343 u32 ip
= 0, ip_to
, last
;
344 u32 timeout
= h
->timeout
;
345 char iface
[IFNAMSIZ
];
348 if (unlikely(!tb
[IPSET_ATTR_IP
] ||
349 !tb
[IPSET_ATTR_IFACE
] ||
350 !ip_set_optattr_netorder(tb
, IPSET_ATTR_TIMEOUT
) ||
351 !ip_set_optattr_netorder(tb
, IPSET_ATTR_CADT_FLAGS
)))
352 return -IPSET_ERR_PROTOCOL
;
354 if (tb
[IPSET_ATTR_LINENO
])
355 *lineno
= nla_get_u32(tb
[IPSET_ATTR_LINENO
]);
357 ret
= ip_set_get_hostipaddr4(tb
[IPSET_ATTR_IP
], &ip
);
361 if (tb
[IPSET_ATTR_CIDR
]) {
362 data
.cidr
= nla_get_u8(tb
[IPSET_ATTR_CIDR
]);
363 if (!data
.cidr
|| data
.cidr
> HOST_MASK
)
364 return -IPSET_ERR_INVALID_CIDR
;
367 if (tb
[IPSET_ATTR_TIMEOUT
]) {
368 if (!with_timeout(h
->timeout
))
369 return -IPSET_ERR_TIMEOUT
;
370 timeout
= ip_set_timeout_uget(tb
[IPSET_ATTR_TIMEOUT
]);
373 strcpy(iface
, nla_data(tb
[IPSET_ATTR_IFACE
]));
375 ret
= iface_test(&h
->rbtree
, &data
.iface
);
376 if (adt
== IPSET_ADD
) {
378 ret
= iface_add(&h
->rbtree
, &data
.iface
);
385 if (tb
[IPSET_ATTR_CADT_FLAGS
]) {
386 u32 cadt_flags
= ip_set_get_h32(tb
[IPSET_ATTR_CADT_FLAGS
]);
387 if (cadt_flags
& IPSET_FLAG_PHYSDEV
)
389 if (adt
== IPSET_ADD
&& (cadt_flags
& IPSET_FLAG_NOMATCH
))
390 flags
|= (cadt_flags
<< 16);
393 if (adt
== IPSET_TEST
|| !tb
[IPSET_ATTR_IP_TO
]) {
394 data
.ip
= htonl(ip
& ip_set_hostmask(data
.cidr
));
395 ret
= adtfn(set
, &data
, timeout
, flags
);
396 return ip_set_eexist(ret
, flags
) ? 0 : ret
;
399 if (tb
[IPSET_ATTR_IP_TO
]) {
400 ret
= ip_set_get_hostipaddr4(tb
[IPSET_ATTR_IP_TO
], &ip_to
);
405 if (ip
+ UINT_MAX
== ip_to
)
406 return -IPSET_ERR_HASH_RANGE
;
408 ip_set_mask_from_to(ip
, ip_to
, data
.cidr
);
413 while (!after(ip
, ip_to
)) {
415 last
= ip_set_range_to_cidr(ip
, ip_to
, &data
.cidr
);
416 ret
= adtfn(set
, &data
, timeout
, flags
);
418 if (ret
&& !ip_set_eexist(ret
, flags
))
428 hash_netiface_same_set(const struct ip_set
*a
, const struct ip_set
*b
)
430 const struct ip_set_hash
*x
= a
->data
;
431 const struct ip_set_hash
*y
= b
->data
;
433 /* Resizing changes htable_bits, so we ignore it */
434 return x
->maxelem
== y
->maxelem
&&
435 x
->timeout
== y
->timeout
;
438 /* The type variant functions: IPv6 */
440 struct hash_netiface6_elem_hashed
{
441 union nf_inet_addr ip
;
448 #define HKEY_DATALEN sizeof(struct hash_netiface6_elem_hashed)
450 struct hash_netiface6_elem
{
451 union nf_inet_addr ip
;
459 struct hash_netiface6_telem
{
460 union nf_inet_addr ip
;
466 unsigned long timeout
;
470 hash_netiface6_data_equal(const struct hash_netiface6_elem
*ip1
,
471 const struct hash_netiface6_elem
*ip2
,
474 return ipv6_addr_cmp(&ip1
->ip
.in6
, &ip2
->ip
.in6
) == 0 &&
475 ip1
->cidr
== ip2
->cidr
&&
477 ip1
->physdev
== ip2
->physdev
&&
478 ip1
->iface
== ip2
->iface
;
482 hash_netiface6_data_isnull(const struct hash_netiface6_elem
*elem
)
484 return elem
->cidr
== 0;
488 hash_netiface6_data_copy(struct hash_netiface6_elem
*dst
,
489 const struct hash_netiface6_elem
*src
)
491 memcpy(dst
, src
, sizeof(*dst
));
495 hash_netiface6_data_flags(struct hash_netiface6_elem
*dst
, u32 flags
)
497 dst
->nomatch
= flags
& IPSET_FLAG_NOMATCH
;
501 hash_netiface6_data_match(const struct hash_netiface6_elem
*elem
)
503 return !elem
->nomatch
;
507 hash_netiface6_data_zero_out(struct hash_netiface6_elem
*elem
)
513 ip6_netmask(union nf_inet_addr
*ip
, u8 prefix
)
515 ip
->ip6
[0] &= ip_set_netmask6(prefix
)[0];
516 ip
->ip6
[1] &= ip_set_netmask6(prefix
)[1];
517 ip
->ip6
[2] &= ip_set_netmask6(prefix
)[2];
518 ip
->ip6
[3] &= ip_set_netmask6(prefix
)[3];
522 hash_netiface6_data_netmask(struct hash_netiface6_elem
*elem
, u8 cidr
)
524 ip6_netmask(&elem
->ip
, cidr
);
529 hash_netiface6_data_list(struct sk_buff
*skb
,
530 const struct hash_netiface6_elem
*data
)
532 u32 flags
= data
->physdev
? IPSET_FLAG_PHYSDEV
: 0;
535 flags
|= IPSET_FLAG_NOMATCH
;
536 if (nla_put_ipaddr6(skb
, IPSET_ATTR_IP
, &data
->ip
.in6
) ||
537 nla_put_u8(skb
, IPSET_ATTR_CIDR
, data
->cidr
) ||
538 nla_put_string(skb
, IPSET_ATTR_IFACE
, data
->iface
) ||
540 nla_put_net32(skb
, IPSET_ATTR_CADT_FLAGS
, htonl(flags
))))
541 goto nla_put_failure
;
549 hash_netiface6_data_tlist(struct sk_buff
*skb
,
550 const struct hash_netiface6_elem
*data
)
552 const struct hash_netiface6_telem
*e
=
553 (const struct hash_netiface6_telem
*)data
;
554 u32 flags
= data
->physdev
? IPSET_FLAG_PHYSDEV
: 0;
557 flags
|= IPSET_FLAG_NOMATCH
;
558 if (nla_put_ipaddr6(skb
, IPSET_ATTR_IP
, &e
->ip
.in6
) ||
559 nla_put_u8(skb
, IPSET_ATTR_CIDR
, data
->cidr
) ||
560 nla_put_string(skb
, IPSET_ATTR_IFACE
, data
->iface
) ||
562 nla_put_net32(skb
, IPSET_ATTR_CADT_FLAGS
, htonl(flags
))) ||
563 nla_put_net32(skb
, IPSET_ATTR_TIMEOUT
,
564 htonl(ip_set_timeout_get(e
->timeout
))))
565 goto nla_put_failure
;
576 #define HOST_MASK 128
577 #include <linux/netfilter/ipset/ip_set_ahash.h>
580 hash_netiface6_data_next(struct ip_set_hash
*h
,
581 const struct hash_netiface6_elem
*d
)
586 hash_netiface6_kadt(struct ip_set
*set
, const struct sk_buff
*skb
,
587 const struct xt_action_param
*par
,
588 enum ipset_adt adt
, const struct ip_set_adt_opt
*opt
)
590 struct ip_set_hash
*h
= set
->data
;
591 ipset_adtfn adtfn
= set
->variant
->adt
[adt
];
592 struct hash_netiface6_elem data
= {
593 .cidr
= h
->nets
[0].cidr
? h
->nets
[0].cidr
: HOST_MASK
599 if (adt
== IPSET_TEST
)
600 data
.cidr
= HOST_MASK
;
602 ip6addrptr(skb
, opt
->flags
& IPSET_DIM_ONE_SRC
, &data
.ip
.in6
);
603 ip6_netmask(&data
.ip
, data
.cidr
);
605 if (opt
->cmdflags
& IPSET_FLAG_PHYSDEV
) {
606 #ifdef CONFIG_BRIDGE_NETFILTER
607 const struct nf_bridge_info
*nf_bridge
= skb
->nf_bridge
;
611 data
.iface
= SRCDIR
? PHYSDEV(physindev
) : PHYSDEV(physoutdev
);
617 data
.iface
= SRCDIR
? IFACE(in
) : IFACE(out
);
621 ret
= iface_test(&h
->rbtree
, &data
.iface
);
622 if (adt
== IPSET_ADD
) {
624 ret
= iface_add(&h
->rbtree
, &data
.iface
);
631 return adtfn(set
, &data
, opt_timeout(opt
, h
), opt
->cmdflags
);
635 hash_netiface6_uadt(struct ip_set
*set
, struct nlattr
*tb
[],
636 enum ipset_adt adt
, u32
*lineno
, u32 flags
, bool retried
)
638 struct ip_set_hash
*h
= set
->data
;
639 ipset_adtfn adtfn
= set
->variant
->adt
[adt
];
640 struct hash_netiface6_elem data
= { .cidr
= HOST_MASK
};
641 u32 timeout
= h
->timeout
;
642 char iface
[IFNAMSIZ
];
645 if (unlikely(!tb
[IPSET_ATTR_IP
] ||
646 !tb
[IPSET_ATTR_IFACE
] ||
647 !ip_set_optattr_netorder(tb
, IPSET_ATTR_TIMEOUT
) ||
648 !ip_set_optattr_netorder(tb
, IPSET_ATTR_CADT_FLAGS
)))
649 return -IPSET_ERR_PROTOCOL
;
650 if (unlikely(tb
[IPSET_ATTR_IP_TO
]))
651 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED
;
653 if (tb
[IPSET_ATTR_LINENO
])
654 *lineno
= nla_get_u32(tb
[IPSET_ATTR_LINENO
]);
656 ret
= ip_set_get_ipaddr6(tb
[IPSET_ATTR_IP
], &data
.ip
);
660 if (tb
[IPSET_ATTR_CIDR
])
661 data
.cidr
= nla_get_u8(tb
[IPSET_ATTR_CIDR
]);
662 if (!data
.cidr
|| data
.cidr
> HOST_MASK
)
663 return -IPSET_ERR_INVALID_CIDR
;
664 ip6_netmask(&data
.ip
, data
.cidr
);
666 if (tb
[IPSET_ATTR_TIMEOUT
]) {
667 if (!with_timeout(h
->timeout
))
668 return -IPSET_ERR_TIMEOUT
;
669 timeout
= ip_set_timeout_uget(tb
[IPSET_ATTR_TIMEOUT
]);
672 strcpy(iface
, nla_data(tb
[IPSET_ATTR_IFACE
]));
674 ret
= iface_test(&h
->rbtree
, &data
.iface
);
675 if (adt
== IPSET_ADD
) {
677 ret
= iface_add(&h
->rbtree
, &data
.iface
);
684 if (tb
[IPSET_ATTR_CADT_FLAGS
]) {
685 u32 cadt_flags
= ip_set_get_h32(tb
[IPSET_ATTR_CADT_FLAGS
]);
686 if (cadt_flags
& IPSET_FLAG_PHYSDEV
)
688 if (adt
== IPSET_ADD
&& (cadt_flags
& IPSET_FLAG_NOMATCH
))
689 flags
|= (cadt_flags
<< 16);
692 ret
= adtfn(set
, &data
, timeout
, flags
);
694 return ip_set_eexist(ret
, flags
) ? 0 : ret
;
697 /* Create hash:ip type of sets */
700 hash_netiface_create(struct ip_set
*set
, struct nlattr
*tb
[], u32 flags
)
702 struct ip_set_hash
*h
;
703 u32 hashsize
= IPSET_DEFAULT_HASHSIZE
, maxelem
= IPSET_DEFAULT_MAXELEM
;
707 if (!(set
->family
== NFPROTO_IPV4
|| set
->family
== NFPROTO_IPV6
))
708 return -IPSET_ERR_INVALID_FAMILY
;
710 if (unlikely(!ip_set_optattr_netorder(tb
, IPSET_ATTR_HASHSIZE
) ||
711 !ip_set_optattr_netorder(tb
, IPSET_ATTR_MAXELEM
) ||
712 !ip_set_optattr_netorder(tb
, IPSET_ATTR_TIMEOUT
)))
713 return -IPSET_ERR_PROTOCOL
;
715 if (tb
[IPSET_ATTR_HASHSIZE
]) {
716 hashsize
= ip_set_get_h32(tb
[IPSET_ATTR_HASHSIZE
]);
717 if (hashsize
< IPSET_MIMINAL_HASHSIZE
)
718 hashsize
= IPSET_MIMINAL_HASHSIZE
;
721 if (tb
[IPSET_ATTR_MAXELEM
])
722 maxelem
= ip_set_get_h32(tb
[IPSET_ATTR_MAXELEM
]);
724 h
= kzalloc(sizeof(*h
)
725 + sizeof(struct ip_set_hash_nets
)
726 * (set
->family
== NFPROTO_IPV4
? 32 : 128), GFP_KERNEL
);
730 h
->maxelem
= maxelem
;
731 get_random_bytes(&h
->initval
, sizeof(h
->initval
));
732 h
->timeout
= IPSET_NO_TIMEOUT
;
733 h
->ahash_max
= AHASH_MAX_SIZE
;
735 hbits
= htable_bits(hashsize
);
736 hsize
= htable_size(hbits
);
741 h
->table
= ip_set_alloc(hsize
);
746 h
->table
->htable_bits
= hbits
;
751 if (tb
[IPSET_ATTR_TIMEOUT
]) {
752 h
->timeout
= ip_set_timeout_uget(tb
[IPSET_ATTR_TIMEOUT
]);
754 set
->variant
= set
->family
== NFPROTO_IPV4
755 ? &hash_netiface4_tvariant
: &hash_netiface6_tvariant
;
757 if (set
->family
== NFPROTO_IPV4
)
758 hash_netiface4_gc_init(set
);
760 hash_netiface6_gc_init(set
);
762 set
->variant
= set
->family
== NFPROTO_IPV4
763 ? &hash_netiface4_variant
: &hash_netiface6_variant
;
766 pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
767 set
->name
, jhash_size(h
->table
->htable_bits
),
768 h
->table
->htable_bits
, h
->maxelem
, set
->data
, h
->table
);
773 static struct ip_set_type hash_netiface_type __read_mostly
= {
774 .name
= "hash:net,iface",
775 .protocol
= IPSET_PROTOCOL
,
776 .features
= IPSET_TYPE_IP
| IPSET_TYPE_IFACE
,
777 .dimension
= IPSET_DIM_TWO
,
778 .family
= NFPROTO_UNSPEC
,
780 .revision_max
= 1, /* nomatch flag support added */
781 .create
= hash_netiface_create
,
783 [IPSET_ATTR_HASHSIZE
] = { .type
= NLA_U32
},
784 [IPSET_ATTR_MAXELEM
] = { .type
= NLA_U32
},
785 [IPSET_ATTR_PROBES
] = { .type
= NLA_U8
},
786 [IPSET_ATTR_RESIZE
] = { .type
= NLA_U8
},
787 [IPSET_ATTR_PROTO
] = { .type
= NLA_U8
},
788 [IPSET_ATTR_TIMEOUT
] = { .type
= NLA_U32
},
791 [IPSET_ATTR_IP
] = { .type
= NLA_NESTED
},
792 [IPSET_ATTR_IP_TO
] = { .type
= NLA_NESTED
},
793 [IPSET_ATTR_IFACE
] = { .type
= NLA_NUL_STRING
,
794 .len
= IPSET_MAXNAMELEN
- 1 },
795 [IPSET_ATTR_CADT_FLAGS
] = { .type
= NLA_U32
},
796 [IPSET_ATTR_CIDR
] = { .type
= NLA_U8
},
797 [IPSET_ATTR_TIMEOUT
] = { .type
= NLA_U32
},
798 [IPSET_ATTR_LINENO
] = { .type
= NLA_U32
},
804 hash_netiface_init(void)
806 return ip_set_type_register(&hash_netiface_type
);
810 hash_netiface_fini(void)
812 ip_set_type_unregister(&hash_netiface_type
);
815 module_init(hash_netiface_init
);
816 module_exit(hash_netiface_fini
);