1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org> |
3 | * Copyright (C) 2013 Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa> |
4 | */ |
5 | |
6 | /* Kernel module implementing an IP set type: the hash:net type */ |
7 | |
8 | #include <linux/jhash.h> |
9 | #include <linux/module.h> |
10 | #include <linux/ip.h> |
11 | #include <linux/skbuff.h> |
12 | #include <linux/errno.h> |
13 | #include <linux/random.h> |
14 | #include <net/ip.h> |
15 | #include <net/ipv6.h> |
16 | #include <net/netlink.h> |
17 | |
18 | #include <linux/netfilter.h> |
19 | #include <linux/netfilter/ipset/pfxlen.h> |
20 | #include <linux/netfilter/ipset/ip_set.h> |
21 | #include <linux/netfilter/ipset/ip_set_hash.h> |
22 | |
23 | #define IPSET_TYPE_REV_MIN 0 |
24 | /* 1 Forceadd support added */ |
25 | /* 2 skbinfo support added */ |
26 | /* 3 bucketsize, initval support added */ |
27 | #define IPSET_TYPE_REV_MAX 4 /* bitmask support added */ |
28 | |
29 | MODULE_LICENSE("GPL" ); |
30 | MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>" ); |
31 | IP_SET_MODULE_DESC("hash:net,net" , IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX); |
32 | MODULE_ALIAS("ip_set_hash:net,net" ); |
33 | |
34 | /* Type specific function prefix */ |
35 | #define HTYPE hash_netnet |
36 | #define IP_SET_HASH_WITH_NETS |
37 | #define IP_SET_HASH_WITH_NETMASK |
38 | #define IP_SET_HASH_WITH_BITMASK |
39 | #define IPSET_NET_COUNT 2 |
40 | |
41 | /* IPv4 variants */ |
42 | |
43 | /* Member elements */ |
44 | struct hash_netnet4_elem { |
45 | union { |
46 | __be32 ip[2]; |
47 | __be64 ipcmp; |
48 | }; |
49 | u8 nomatch; |
50 | u8 padding; |
51 | union { |
52 | u8 cidr[2]; |
53 | u16 ccmp; |
54 | }; |
55 | }; |
56 | |
57 | /* Common functions */ |
58 | |
59 | static bool |
60 | hash_netnet4_data_equal(const struct hash_netnet4_elem *ip1, |
61 | const struct hash_netnet4_elem *ip2, |
62 | u32 *multi) |
63 | { |
64 | return ip1->ipcmp == ip2->ipcmp && |
65 | ip1->ccmp == ip2->ccmp; |
66 | } |
67 | |
68 | static int |
69 | hash_netnet4_do_data_match(const struct hash_netnet4_elem *elem) |
70 | { |
71 | return elem->nomatch ? -ENOTEMPTY : 1; |
72 | } |
73 | |
74 | static void |
75 | hash_netnet4_data_set_flags(struct hash_netnet4_elem *elem, u32 flags) |
76 | { |
77 | elem->nomatch = (flags >> 16) & IPSET_FLAG_NOMATCH; |
78 | } |
79 | |
80 | static void |
81 | hash_netnet4_data_reset_flags(struct hash_netnet4_elem *elem, u8 *flags) |
82 | { |
83 | swap(*flags, elem->nomatch); |
84 | } |
85 | |
86 | static void |
87 | hash_netnet4_data_reset_elem(struct hash_netnet4_elem *elem, |
88 | struct hash_netnet4_elem *orig) |
89 | { |
90 | elem->ip[1] = orig->ip[1]; |
91 | } |
92 | |
93 | static void |
94 | hash_netnet4_data_netmask(struct hash_netnet4_elem *elem, u8 cidr, bool inner) |
95 | { |
96 | if (inner) { |
97 | elem->ip[1] &= ip_set_netmask(pfxlen: cidr); |
98 | elem->cidr[1] = cidr; |
99 | } else { |
100 | elem->ip[0] &= ip_set_netmask(pfxlen: cidr); |
101 | elem->cidr[0] = cidr; |
102 | } |
103 | } |
104 | |
105 | static bool |
106 | hash_netnet4_data_list(struct sk_buff *skb, |
107 | const struct hash_netnet4_elem *data) |
108 | { |
109 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; |
110 | |
111 | if (nla_put_ipaddr4(skb, type: IPSET_ATTR_IP, ipaddr: data->ip[0]) || |
112 | nla_put_ipaddr4(skb, type: IPSET_ATTR_IP2, ipaddr: data->ip[1]) || |
113 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR, value: data->cidr[0]) || |
114 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR2, value: data->cidr[1]) || |
115 | (flags && |
116 | nla_put_net32(skb, attrtype: IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
117 | goto nla_put_failure; |
118 | return false; |
119 | |
120 | nla_put_failure: |
121 | return true; |
122 | } |
123 | |
124 | static void |
125 | hash_netnet4_data_next(struct hash_netnet4_elem *next, |
126 | const struct hash_netnet4_elem *d) |
127 | { |
128 | next->ipcmp = d->ipcmp; |
129 | } |
130 | |
131 | #define MTYPE hash_netnet4 |
132 | #define HOST_MASK 32 |
133 | #include "ip_set_hash_gen.h" |
134 | |
135 | static void |
136 | hash_netnet4_init(struct hash_netnet4_elem *e) |
137 | { |
138 | e->cidr[0] = HOST_MASK; |
139 | e->cidr[1] = HOST_MASK; |
140 | } |
141 | |
142 | static int |
143 | hash_netnet4_kadt(struct ip_set *set, const struct sk_buff *skb, |
144 | const struct xt_action_param *par, |
145 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
146 | { |
147 | const struct hash_netnet4 *h = set->data; |
148 | ipset_adtfn adtfn = set->variant->adt[adt]; |
149 | struct hash_netnet4_elem e = { }; |
150 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
151 | |
152 | e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); |
153 | e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); |
154 | if (adt == IPSET_TEST) |
155 | e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK; |
156 | |
157 | ip4addrptr(skb, src: opt->flags & IPSET_DIM_ONE_SRC, addr: &e.ip[0]); |
158 | ip4addrptr(skb, src: opt->flags & IPSET_DIM_TWO_SRC, addr: &e.ip[1]); |
159 | e.ip[0] &= (ip_set_netmask(pfxlen: e.cidr[0]) & h->bitmask.ip); |
160 | e.ip[1] &= (ip_set_netmask(pfxlen: e.cidr[1]) & h->bitmask.ip); |
161 | |
162 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
163 | } |
164 | |
165 | static int |
166 | hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[], |
167 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
168 | { |
169 | struct hash_netnet4 *h = set->data; |
170 | ipset_adtfn adtfn = set->variant->adt[adt]; |
171 | struct hash_netnet4_elem e = { }; |
172 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
173 | u32 ip = 0, ip_to = 0; |
174 | u32 ip2 = 0, ip2_from = 0, ip2_to = 0, i = 0; |
175 | int ret; |
176 | |
177 | if (tb[IPSET_ATTR_LINENO]) |
178 | *lineno = nla_get_u32(nla: tb[IPSET_ATTR_LINENO]); |
179 | |
180 | hash_netnet4_init(e: &e); |
181 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
182 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
183 | return -IPSET_ERR_PROTOCOL; |
184 | |
185 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP], ipaddr: &ip); |
186 | if (ret) |
187 | return ret; |
188 | |
189 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP2], ipaddr: &ip2_from); |
190 | if (ret) |
191 | return ret; |
192 | |
193 | ret = ip_set_get_extensions(set, tb, ext: &ext); |
194 | if (ret) |
195 | return ret; |
196 | |
197 | if (tb[IPSET_ATTR_CIDR]) { |
198 | e.cidr[0] = nla_get_u8(nla: tb[IPSET_ATTR_CIDR]); |
199 | if (!e.cidr[0] || e.cidr[0] > HOST_MASK) |
200 | return -IPSET_ERR_INVALID_CIDR; |
201 | } |
202 | |
203 | if (tb[IPSET_ATTR_CIDR2]) { |
204 | e.cidr[1] = nla_get_u8(nla: tb[IPSET_ATTR_CIDR2]); |
205 | if (!e.cidr[1] || e.cidr[1] > HOST_MASK) |
206 | return -IPSET_ERR_INVALID_CIDR; |
207 | } |
208 | |
209 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
210 | u32 cadt_flags = ip_set_get_h32(attr: tb[IPSET_ATTR_CADT_FLAGS]); |
211 | |
212 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
213 | flags |= (IPSET_FLAG_NOMATCH << 16); |
214 | } |
215 | |
216 | if (adt == IPSET_TEST || !(tb[IPSET_ATTR_IP_TO] || |
217 | tb[IPSET_ATTR_IP2_TO])) { |
218 | e.ip[0] = htonl(ip & ntohl(h->bitmask.ip) & ip_set_hostmask(e.cidr[0])); |
219 | e.ip[1] = htonl(ip2_from & ntohl(h->bitmask.ip) & ip_set_hostmask(e.cidr[1])); |
220 | ret = adtfn(set, &e, &ext, &ext, flags); |
221 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
222 | ip_set_eexist(ret, flags) ? 0 : ret; |
223 | } |
224 | |
225 | ip_to = ip; |
226 | if (tb[IPSET_ATTR_IP_TO]) { |
227 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP_TO], ipaddr: &ip_to); |
228 | if (ret) |
229 | return ret; |
230 | if (ip_to < ip) |
231 | swap(ip, ip_to); |
232 | if (unlikely(ip + UINT_MAX == ip_to)) |
233 | return -IPSET_ERR_HASH_RANGE; |
234 | } else { |
235 | ip_set_mask_from_to(ip, ip_to, e.cidr[0]); |
236 | } |
237 | |
238 | ip2_to = ip2_from; |
239 | if (tb[IPSET_ATTR_IP2_TO]) { |
240 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP2_TO], ipaddr: &ip2_to); |
241 | if (ret) |
242 | return ret; |
243 | if (ip2_to < ip2_from) |
244 | swap(ip2_from, ip2_to); |
245 | if (unlikely(ip2_from + UINT_MAX == ip2_to)) |
246 | return -IPSET_ERR_HASH_RANGE; |
247 | } else { |
248 | ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]); |
249 | } |
250 | |
251 | if (retried) { |
252 | ip = ntohl(h->next.ip[0]); |
253 | ip2 = ntohl(h->next.ip[1]); |
254 | } else { |
255 | ip2 = ip2_from; |
256 | } |
257 | |
258 | do { |
259 | e.ip[0] = htonl(ip); |
260 | ip = ip_set_range_to_cidr(from: ip, to: ip_to, cidr: &e.cidr[0]); |
261 | do { |
262 | i++; |
263 | e.ip[1] = htonl(ip2); |
264 | if (i > IPSET_MAX_RANGE) { |
265 | hash_netnet4_data_next(next: &h->next, d: &e); |
266 | return -ERANGE; |
267 | } |
268 | ip2 = ip_set_range_to_cidr(from: ip2, to: ip2_to, cidr: &e.cidr[1]); |
269 | ret = adtfn(set, &e, &ext, &ext, flags); |
270 | if (ret && !ip_set_eexist(ret, flags)) |
271 | return ret; |
272 | |
273 | ret = 0; |
274 | } while (ip2++ < ip2_to); |
275 | ip2 = ip2_from; |
276 | } while (ip++ < ip_to); |
277 | return ret; |
278 | } |
279 | |
280 | /* IPv6 variants */ |
281 | |
282 | struct hash_netnet6_elem { |
283 | union nf_inet_addr ip[2]; |
284 | u8 nomatch; |
285 | u8 padding; |
286 | union { |
287 | u8 cidr[2]; |
288 | u16 ccmp; |
289 | }; |
290 | }; |
291 | |
292 | /* Common functions */ |
293 | |
294 | static bool |
295 | hash_netnet6_data_equal(const struct hash_netnet6_elem *ip1, |
296 | const struct hash_netnet6_elem *ip2, |
297 | u32 *multi) |
298 | { |
299 | return ipv6_addr_equal(a1: &ip1->ip[0].in6, a2: &ip2->ip[0].in6) && |
300 | ipv6_addr_equal(a1: &ip1->ip[1].in6, a2: &ip2->ip[1].in6) && |
301 | ip1->ccmp == ip2->ccmp; |
302 | } |
303 | |
304 | static int |
305 | hash_netnet6_do_data_match(const struct hash_netnet6_elem *elem) |
306 | { |
307 | return elem->nomatch ? -ENOTEMPTY : 1; |
308 | } |
309 | |
310 | static void |
311 | hash_netnet6_data_set_flags(struct hash_netnet6_elem *elem, u32 flags) |
312 | { |
313 | elem->nomatch = (flags >> 16) & IPSET_FLAG_NOMATCH; |
314 | } |
315 | |
316 | static void |
317 | hash_netnet6_data_reset_flags(struct hash_netnet6_elem *elem, u8 *flags) |
318 | { |
319 | swap(*flags, elem->nomatch); |
320 | } |
321 | |
322 | static void |
323 | hash_netnet6_data_reset_elem(struct hash_netnet6_elem *elem, |
324 | struct hash_netnet6_elem *orig) |
325 | { |
326 | elem->ip[1] = orig->ip[1]; |
327 | } |
328 | |
329 | static void |
330 | hash_netnet6_data_netmask(struct hash_netnet6_elem *elem, u8 cidr, bool inner) |
331 | { |
332 | if (inner) { |
333 | ip6_netmask(ip: &elem->ip[1], prefix: cidr); |
334 | elem->cidr[1] = cidr; |
335 | } else { |
336 | ip6_netmask(ip: &elem->ip[0], prefix: cidr); |
337 | elem->cidr[0] = cidr; |
338 | } |
339 | } |
340 | |
341 | static bool |
342 | hash_netnet6_data_list(struct sk_buff *skb, |
343 | const struct hash_netnet6_elem *data) |
344 | { |
345 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; |
346 | |
347 | if (nla_put_ipaddr6(skb, type: IPSET_ATTR_IP, ipaddrptr: &data->ip[0].in6) || |
348 | nla_put_ipaddr6(skb, type: IPSET_ATTR_IP2, ipaddrptr: &data->ip[1].in6) || |
349 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR, value: data->cidr[0]) || |
350 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR2, value: data->cidr[1]) || |
351 | (flags && |
352 | nla_put_net32(skb, attrtype: IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
353 | goto nla_put_failure; |
354 | return false; |
355 | |
356 | nla_put_failure: |
357 | return true; |
358 | } |
359 | |
360 | static void |
361 | hash_netnet6_data_next(struct hash_netnet6_elem *next, |
362 | const struct hash_netnet6_elem *d) |
363 | { |
364 | } |
365 | |
366 | #undef MTYPE |
367 | #undef HOST_MASK |
368 | |
369 | #define MTYPE hash_netnet6 |
370 | #define HOST_MASK 128 |
371 | #define IP_SET_EMIT_CREATE |
372 | #include "ip_set_hash_gen.h" |
373 | |
374 | static void |
375 | hash_netnet6_init(struct hash_netnet6_elem *e) |
376 | { |
377 | e->cidr[0] = HOST_MASK; |
378 | e->cidr[1] = HOST_MASK; |
379 | } |
380 | |
381 | static int |
382 | hash_netnet6_kadt(struct ip_set *set, const struct sk_buff *skb, |
383 | const struct xt_action_param *par, |
384 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
385 | { |
386 | const struct hash_netnet6 *h = set->data; |
387 | ipset_adtfn adtfn = set->variant->adt[adt]; |
388 | struct hash_netnet6_elem e = { }; |
389 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
390 | |
391 | e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); |
392 | e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); |
393 | if (adt == IPSET_TEST) |
394 | e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK; |
395 | |
396 | ip6addrptr(skb, src: opt->flags & IPSET_DIM_ONE_SRC, addr: &e.ip[0].in6); |
397 | ip6addrptr(skb, src: opt->flags & IPSET_DIM_TWO_SRC, addr: &e.ip[1].in6); |
398 | ip6_netmask(ip: &e.ip[0], prefix: e.cidr[0]); |
399 | ip6_netmask(ip: &e.ip[1], prefix: e.cidr[1]); |
400 | |
401 | nf_inet_addr_mask_inplace(a1: &e.ip[0], mask: &h->bitmask); |
402 | nf_inet_addr_mask_inplace(a1: &e.ip[1], mask: &h->bitmask); |
403 | if (e.cidr[0] == HOST_MASK && ipv6_addr_any(a: &e.ip[0].in6)) |
404 | return -EINVAL; |
405 | |
406 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
407 | } |
408 | |
409 | static int |
410 | hash_netnet6_uadt(struct ip_set *set, struct nlattr *tb[], |
411 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
412 | { |
413 | ipset_adtfn adtfn = set->variant->adt[adt]; |
414 | struct hash_netnet6_elem e = { }; |
415 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
416 | const struct hash_netnet6 *h = set->data; |
417 | int ret; |
418 | |
419 | if (tb[IPSET_ATTR_LINENO]) |
420 | *lineno = nla_get_u32(nla: tb[IPSET_ATTR_LINENO]); |
421 | |
422 | hash_netnet6_init(e: &e); |
423 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
424 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
425 | return -IPSET_ERR_PROTOCOL; |
426 | if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO])) |
427 | return -IPSET_ERR_HASH_RANGE_UNSUPPORTED; |
428 | |
429 | ret = ip_set_get_ipaddr6(nla: tb[IPSET_ATTR_IP], ipaddr: &e.ip[0]); |
430 | if (ret) |
431 | return ret; |
432 | |
433 | ret = ip_set_get_ipaddr6(nla: tb[IPSET_ATTR_IP2], ipaddr: &e.ip[1]); |
434 | if (ret) |
435 | return ret; |
436 | |
437 | ret = ip_set_get_extensions(set, tb, ext: &ext); |
438 | if (ret) |
439 | return ret; |
440 | |
441 | if (tb[IPSET_ATTR_CIDR]) { |
442 | e.cidr[0] = nla_get_u8(nla: tb[IPSET_ATTR_CIDR]); |
443 | if (!e.cidr[0] || e.cidr[0] > HOST_MASK) |
444 | return -IPSET_ERR_INVALID_CIDR; |
445 | } |
446 | |
447 | if (tb[IPSET_ATTR_CIDR2]) { |
448 | e.cidr[1] = nla_get_u8(nla: tb[IPSET_ATTR_CIDR2]); |
449 | if (!e.cidr[1] || e.cidr[1] > HOST_MASK) |
450 | return -IPSET_ERR_INVALID_CIDR; |
451 | } |
452 | |
453 | ip6_netmask(ip: &e.ip[0], prefix: e.cidr[0]); |
454 | ip6_netmask(ip: &e.ip[1], prefix: e.cidr[1]); |
455 | |
456 | nf_inet_addr_mask_inplace(a1: &e.ip[0], mask: &h->bitmask); |
457 | nf_inet_addr_mask_inplace(a1: &e.ip[1], mask: &h->bitmask); |
458 | if (e.cidr[0] == HOST_MASK && ipv6_addr_any(a: &e.ip[0].in6)) |
459 | return -IPSET_ERR_HASH_ELEM; |
460 | |
461 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
462 | u32 cadt_flags = ip_set_get_h32(attr: tb[IPSET_ATTR_CADT_FLAGS]); |
463 | |
464 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
465 | flags |= (IPSET_FLAG_NOMATCH << 16); |
466 | } |
467 | |
468 | ret = adtfn(set, &e, &ext, &ext, flags); |
469 | |
470 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
471 | ip_set_eexist(ret, flags) ? 0 : ret; |
472 | } |
473 | |
474 | static struct ip_set_type hash_netnet_type __read_mostly = { |
475 | .name = "hash:net,net" , |
476 | .protocol = IPSET_PROTOCOL, |
477 | .features = IPSET_TYPE_IP | IPSET_TYPE_IP2 | IPSET_TYPE_NOMATCH, |
478 | .dimension = IPSET_DIM_TWO, |
479 | .family = NFPROTO_UNSPEC, |
480 | .revision_min = IPSET_TYPE_REV_MIN, |
481 | .revision_max = IPSET_TYPE_REV_MAX, |
482 | .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE, |
483 | .create = hash_netnet_create, |
484 | .create_policy = { |
485 | [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, |
486 | [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, |
487 | [IPSET_ATTR_INITVAL] = { .type = NLA_U32 }, |
488 | [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 }, |
489 | [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, |
490 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
491 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
492 | [IPSET_ATTR_NETMASK] = { .type = NLA_U8 }, |
493 | [IPSET_ATTR_BITMASK] = { .type = NLA_NESTED }, |
494 | }, |
495 | .adt_policy = { |
496 | [IPSET_ATTR_IP] = { .type = NLA_NESTED }, |
497 | [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, |
498 | [IPSET_ATTR_IP2] = { .type = NLA_NESTED }, |
499 | [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED }, |
500 | [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, |
501 | [IPSET_ATTR_CIDR2] = { .type = NLA_U8 }, |
502 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
503 | [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, |
504 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
505 | [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, |
506 | [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, |
507 | [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING, |
508 | .len = IPSET_MAX_COMMENT_SIZE }, |
509 | [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 }, |
510 | [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 }, |
511 | [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 }, |
512 | }, |
513 | .me = THIS_MODULE, |
514 | }; |
515 | |
516 | static int __init |
517 | hash_netnet_init(void) |
518 | { |
519 | return ip_set_type_register(set_type: &hash_netnet_type); |
520 | } |
521 | |
522 | static void __exit |
523 | hash_netnet_fini(void) |
524 | { |
525 | rcu_barrier(); |
526 | ip_set_type_unregister(set_type: &hash_netnet_type); |
527 | } |
528 | |
529 | module_init(hash_netnet_init); |
530 | module_exit(hash_netnet_fini); |
531 | |