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TOMOYO Linux Cross Reference
Linux/net/netfilter/ipset/ip_set_hash_netportnet.c

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  1 /* Copyright (C) 2003-2013 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_getport.h>
 25 #include <linux/netfilter/ipset/ip_set_hash.h>
 26 
 27 #define IPSET_TYPE_REV_MIN      0
 28 /*                              0    Comments support added */
 29 /*                              1    Forceadd support added */
 30 #define IPSET_TYPE_REV_MAX      2 /* skbinfo support added */
 31 
 32 MODULE_LICENSE("GPL");
 33 MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
 34 IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
 35 MODULE_ALIAS("ip_set_hash:net,port,net");
 36 
 37 /* Type specific function prefix */
 38 #define HTYPE           hash_netportnet
 39 #define IP_SET_HASH_WITH_PROTO
 40 #define IP_SET_HASH_WITH_NETS
 41 #define IPSET_NET_COUNT 2
 42 
 43 /* IPv4 variant */
 44 
 45 /* Member elements */
 46 struct hash_netportnet4_elem {
 47         union {
 48                 __be32 ip[2];
 49                 __be64 ipcmp;
 50         };
 51         __be16 port;
 52         union {
 53                 u8 cidr[2];
 54                 u16 ccmp;
 55         };
 56         u16 padding;
 57         u8 nomatch;
 58         u8 proto;
 59 };
 60 
 61 /* Common functions */
 62 
 63 static inline bool
 64 hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
 65                             const struct hash_netportnet4_elem *ip2,
 66                             u32 *multi)
 67 {
 68         return ip1->ipcmp == ip2->ipcmp &&
 69                ip1->ccmp == ip2->ccmp &&
 70                ip1->port == ip2->port &&
 71                ip1->proto == ip2->proto;
 72 }
 73 
 74 static inline int
 75 hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
 76 {
 77         return elem->nomatch ? -ENOTEMPTY : 1;
 78 }
 79 
 80 static inline void
 81 hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
 82 {
 83         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
 84 }
 85 
 86 static inline void
 87 hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
 88 {
 89         swap(*flags, elem->nomatch);
 90 }
 91 
 92 static inline void
 93 hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
 94                                  struct hash_netportnet4_elem *orig)
 95 {
 96         elem->ip[1] = orig->ip[1];
 97 }
 98 
 99 static inline void
100 hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
101                               u8 cidr, bool inner)
102 {
103         if (inner) {
104                 elem->ip[1] &= ip_set_netmask(cidr);
105                 elem->cidr[1] = cidr;
106         } else {
107                 elem->ip[0] &= ip_set_netmask(cidr);
108                 elem->cidr[0] = cidr;
109         }
110 }
111 
112 static bool
113 hash_netportnet4_data_list(struct sk_buff *skb,
114                            const struct hash_netportnet4_elem *data)
115 {
116         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
117 
118         if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
119             nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
120             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
121             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
122             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
123             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
124             (flags &&
125              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
126                 goto nla_put_failure;
127         return false;
128 
129 nla_put_failure:
130         return true;
131 }
132 
133 static inline void
134 hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
135                            const struct hash_netportnet4_elem *d)
136 {
137         next->ipcmp = d->ipcmp;
138         next->port = d->port;
139 }
140 
141 #define MTYPE           hash_netportnet4
142 #define HOST_MASK       32
143 #include "ip_set_hash_gen.h"
144 
145 static void
146 hash_netportnet4_init(struct hash_netportnet4_elem *e)
147 {
148         e->cidr[0] = HOST_MASK;
149         e->cidr[1] = HOST_MASK;
150 }
151 
152 static int
153 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
154                       const struct xt_action_param *par,
155                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
156 {
157         const struct hash_netportnet *h = set->data;
158         ipset_adtfn adtfn = set->variant->adt[adt];
159         struct hash_netportnet4_elem e = { };
160         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
161 
162         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
163         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
164         if (adt == IPSET_TEST)
165                 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
166 
167         if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
168                                  &e.port, &e.proto))
169                 return -EINVAL;
170 
171         ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
172         ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
173         e.ip[0] &= ip_set_netmask(e.cidr[0]);
174         e.ip[1] &= ip_set_netmask(e.cidr[1]);
175 
176         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
177 }
178 
179 static int
180 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
181                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
182 {
183         const struct hash_netportnet *h = set->data;
184         ipset_adtfn adtfn = set->variant->adt[adt];
185         struct hash_netportnet4_elem e = { };
186         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
187         u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
188         u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
189         bool with_ports = false;
190         int ret;
191 
192         if (tb[IPSET_ATTR_LINENO])
193                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
194 
195         hash_netportnet4_init(&e);
196         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
197                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
198                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
199                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
200                 return -IPSET_ERR_PROTOCOL;
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         ret = ip_set_get_extensions(set, tb, &ext);
211         if (ret)
212                 return ret;
213 
214         if (tb[IPSET_ATTR_CIDR]) {
215                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
216                 if (!e.cidr[0] || e.cidr[0] > HOST_MASK)
217                         return -IPSET_ERR_INVALID_CIDR;
218         }
219 
220         if (tb[IPSET_ATTR_CIDR2]) {
221                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
222                 if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
223                         return -IPSET_ERR_INVALID_CIDR;
224         }
225 
226         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
227 
228         if (tb[IPSET_ATTR_PROTO]) {
229                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
230                 with_ports = ip_set_proto_with_ports(e.proto);
231 
232                 if (e.proto == 0)
233                         return -IPSET_ERR_INVALID_PROTO;
234         } else {
235                 return -IPSET_ERR_MISSING_PROTO;
236         }
237 
238         if (!(with_ports || e.proto == IPPROTO_ICMP))
239                 e.port = 0;
240 
241         if (tb[IPSET_ATTR_CADT_FLAGS]) {
242                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
243 
244                 if (cadt_flags & IPSET_FLAG_NOMATCH)
245                         flags |= (IPSET_FLAG_NOMATCH << 16);
246         }
247 
248         with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
249         if (adt == IPSET_TEST ||
250             !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
251                 e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
252                 e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
253                 ret = adtfn(set, &e, &ext, &ext, flags);
254                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
255                        ip_set_eexist(ret, flags) ? 0 : ret;
256         }
257 
258         ip_to = ip;
259         if (tb[IPSET_ATTR_IP_TO]) {
260                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
261                 if (ret)
262                         return ret;
263                 if (ip > ip_to)
264                         swap(ip, ip_to);
265                 if (unlikely(ip + UINT_MAX == ip_to))
266                         return -IPSET_ERR_HASH_RANGE;
267         } else {
268                 ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
269         }
270 
271         port_to = port = ntohs(e.port);
272         if (tb[IPSET_ATTR_PORT_TO]) {
273                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
274                 if (port > port_to)
275                         swap(port, port_to);
276         }
277 
278         ip2_to = ip2_from;
279         if (tb[IPSET_ATTR_IP2_TO]) {
280                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
281                 if (ret)
282                         return ret;
283                 if (ip2_from > ip2_to)
284                         swap(ip2_from, ip2_to);
285                 if (unlikely(ip2_from + UINT_MAX == ip2_to))
286                         return -IPSET_ERR_HASH_RANGE;
287         } else {
288                 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
289         }
290 
291         if (retried)
292                 ip = ntohl(h->next.ip[0]);
293 
294         while (!after(ip, ip_to)) {
295                 e.ip[0] = htonl(ip);
296                 ip_last = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
297                 p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
298                                                           : port;
299                 for (; p <= port_to; p++) {
300                         e.port = htons(p);
301                         ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
302                                p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
303                                                          : ip2_from;
304                         while (!after(ip2, ip2_to)) {
305                                 e.ip[1] = htonl(ip2);
306                                 ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
307                                                                 &e.cidr[1]);
308                                 ret = adtfn(set, &e, &ext, &ext, flags);
309                                 if (ret && !ip_set_eexist(ret, flags))
310                                         return ret;
311 
312                                 ret = 0;
313                                 ip2 = ip2_last + 1;
314                         }
315                 }
316                 ip = ip_last + 1;
317         }
318         return ret;
319 }
320 
321 /* IPv6 variant */
322 
323 struct hash_netportnet6_elem {
324         union nf_inet_addr ip[2];
325         __be16 port;
326         union {
327                 u8 cidr[2];
328                 u16 ccmp;
329         };
330         u16 padding;
331         u8 nomatch;
332         u8 proto;
333 };
334 
335 /* Common functions */
336 
337 static inline bool
338 hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
339                             const struct hash_netportnet6_elem *ip2,
340                             u32 *multi)
341 {
342         return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
343                ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
344                ip1->ccmp == ip2->ccmp &&
345                ip1->port == ip2->port &&
346                ip1->proto == ip2->proto;
347 }
348 
349 static inline int
350 hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
351 {
352         return elem->nomatch ? -ENOTEMPTY : 1;
353 }
354 
355 static inline void
356 hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
357 {
358         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
359 }
360 
361 static inline void
362 hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
363 {
364         swap(*flags, elem->nomatch);
365 }
366 
367 static inline void
368 hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
369                                  struct hash_netportnet6_elem *orig)
370 {
371         elem->ip[1] = orig->ip[1];
372 }
373 
374 static inline void
375 hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
376                               u8 cidr, bool inner)
377 {
378         if (inner) {
379                 ip6_netmask(&elem->ip[1], cidr);
380                 elem->cidr[1] = cidr;
381         } else {
382                 ip6_netmask(&elem->ip[0], cidr);
383                 elem->cidr[0] = cidr;
384         }
385 }
386 
387 static bool
388 hash_netportnet6_data_list(struct sk_buff *skb,
389                            const struct hash_netportnet6_elem *data)
390 {
391         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
392 
393         if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
394             nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
395             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
396             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
397             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
398             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
399             (flags &&
400              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
401                 goto nla_put_failure;
402         return false;
403 
404 nla_put_failure:
405         return true;
406 }
407 
408 static inline void
409 hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
410                            const struct hash_netportnet6_elem *d)
411 {
412         next->port = d->port;
413 }
414 
415 #undef MTYPE
416 #undef HOST_MASK
417 
418 #define MTYPE           hash_netportnet6
419 #define HOST_MASK       128
420 #define IP_SET_EMIT_CREATE
421 #include "ip_set_hash_gen.h"
422 
423 static void
424 hash_netportnet6_init(struct hash_netportnet6_elem *e)
425 {
426         e->cidr[0] = HOST_MASK;
427         e->cidr[1] = HOST_MASK;
428 }
429 
430 static int
431 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
432                       const struct xt_action_param *par,
433                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
434 {
435         const struct hash_netportnet *h = set->data;
436         ipset_adtfn adtfn = set->variant->adt[adt];
437         struct hash_netportnet6_elem e = { };
438         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
439 
440         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
441         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
442         if (adt == IPSET_TEST)
443                 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
444 
445         if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
446                                  &e.port, &e.proto))
447                 return -EINVAL;
448 
449         ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
450         ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
451         ip6_netmask(&e.ip[0], e.cidr[0]);
452         ip6_netmask(&e.ip[1], e.cidr[1]);
453 
454         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
455 }
456 
457 static int
458 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
459                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
460 {
461         const struct hash_netportnet *h = set->data;
462         ipset_adtfn adtfn = set->variant->adt[adt];
463         struct hash_netportnet6_elem e = { };
464         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
465         u32 port, port_to;
466         bool with_ports = false;
467         int ret;
468 
469         if (tb[IPSET_ATTR_LINENO])
470                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
471 
472         hash_netportnet6_init(&e);
473         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
474                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
475                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
476                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
477                 return -IPSET_ERR_PROTOCOL;
478         if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
479                 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
480 
481         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
482         if (ret)
483                 return ret;
484 
485         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
486         if (ret)
487                 return ret;
488 
489         ret = ip_set_get_extensions(set, tb, &ext);
490         if (ret)
491                 return ret;
492 
493         if (tb[IPSET_ATTR_CIDR]) {
494                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
495                 if (!e.cidr[0] || e.cidr[0] > HOST_MASK)
496                         return -IPSET_ERR_INVALID_CIDR;
497         }
498 
499         if (tb[IPSET_ATTR_CIDR2]) {
500                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
501                 if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
502                         return -IPSET_ERR_INVALID_CIDR;
503         }
504 
505         ip6_netmask(&e.ip[0], e.cidr[0]);
506         ip6_netmask(&e.ip[1], e.cidr[1]);
507 
508         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
509 
510         if (tb[IPSET_ATTR_PROTO]) {
511                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
512                 with_ports = ip_set_proto_with_ports(e.proto);
513 
514                 if (e.proto == 0)
515                         return -IPSET_ERR_INVALID_PROTO;
516         } else {
517                 return -IPSET_ERR_MISSING_PROTO;
518         }
519 
520         if (!(with_ports || e.proto == IPPROTO_ICMPV6))
521                 e.port = 0;
522 
523         if (tb[IPSET_ATTR_CADT_FLAGS]) {
524                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
525 
526                 if (cadt_flags & IPSET_FLAG_NOMATCH)
527                         flags |= (IPSET_FLAG_NOMATCH << 16);
528         }
529 
530         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
531                 ret = adtfn(set, &e, &ext, &ext, flags);
532                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
533                        ip_set_eexist(ret, flags) ? 0 : ret;
534         }
535 
536         port = ntohs(e.port);
537         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
538         if (port > port_to)
539                 swap(port, port_to);
540 
541         if (retried)
542                 port = ntohs(h->next.port);
543         for (; port <= port_to; port++) {
544                 e.port = htons(port);
545                 ret = adtfn(set, &e, &ext, &ext, flags);
546 
547                 if (ret && !ip_set_eexist(ret, flags))
548                         return ret;
549 
550                 ret = 0;
551         }
552         return ret;
553 }
554 
555 static struct ip_set_type hash_netportnet_type __read_mostly = {
556         .name           = "hash:net,port,net",
557         .protocol       = IPSET_PROTOCOL,
558         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
559                           IPSET_TYPE_NOMATCH,
560         .dimension      = IPSET_DIM_THREE,
561         .family         = NFPROTO_UNSPEC,
562         .revision_min   = IPSET_TYPE_REV_MIN,
563         .revision_max   = IPSET_TYPE_REV_MAX,
564         .create         = hash_netportnet_create,
565         .create_policy  = {
566                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
567                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
568                 [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
569                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
570                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
571                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
572         },
573         .adt_policy     = {
574                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
575                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
576                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
577                 [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
578                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
579                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
580                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
581                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
582                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
583                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
584                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
585                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
586                 [IPSET_ATTR_BYTES]      = { .type = NLA_U64 },
587                 [IPSET_ATTR_PACKETS]    = { .type = NLA_U64 },
588                 [IPSET_ATTR_COMMENT]    = { .type = NLA_NUL_STRING,
589                                             .len  = IPSET_MAX_COMMENT_SIZE },
590                 [IPSET_ATTR_SKBMARK]    = { .type = NLA_U64 },
591                 [IPSET_ATTR_SKBPRIO]    = { .type = NLA_U32 },
592                 [IPSET_ATTR_SKBQUEUE]   = { .type = NLA_U16 },
593         },
594         .me             = THIS_MODULE,
595 };
596 
597 static int __init
598 hash_netportnet_init(void)
599 {
600         return ip_set_type_register(&hash_netportnet_type);
601 }
602 
603 static void __exit
604 hash_netportnet_fini(void)
605 {
606         rcu_barrier();
607         ip_set_type_unregister(&hash_netportnet_type);
608 }
609 
610 module_init(hash_netportnet_init);
611 module_exit(hash_netportnet_fini);
612 

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