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ipv6: added net argument to ICMP6MSGIN_INC_STATS_BH
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / net / ipv6.h
CommitLineData
1da177e4
LT		 1/*
2 * Linux INET6 implementation
3 *
4 * Authors:
5 * Pedro Roque <roque@di.fc.ul.pt>
6 *
1da177e4
LT		 7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#ifndef _NET_IPV6_H
14#define _NET_IPV6_H
15
16#include <linux/ipv6.h>
17#include <linux/hardirq.h>
20283d84 18#include <net/if_inet6.h>
1da177e4
LT		 19#include <net/ndisc.h>
20#include <net/flow.h>
21#include <net/snmp.h>
22
23#define SIN6_LEN_RFC2133 24
24
25#define IPV6_MAXPLEN 65535
26
27/*
28 * NextHeader field of IPv6 header
29 */
30
31#define NEXTHDR_HOP 0 /* Hop-by-hop option header. */
32#define NEXTHDR_TCP 6 /* TCP segment. */
33#define NEXTHDR_UDP 17 /* UDP message. */
34#define NEXTHDR_IPV6 41 /* IPv6 in IPv6 */
35#define NEXTHDR_ROUTING 43 /* Routing header. */
36#define NEXTHDR_FRAGMENT 44 /* Fragmentation/reassembly header. */
37#define NEXTHDR_ESP 50 /* Encapsulating security payload. */
38#define NEXTHDR_AUTH 51 /* Authentication header. */
39#define NEXTHDR_ICMP 58 /* ICMP for IPv6. */
40#define NEXTHDR_NONE 59 /* No next header */
41#define NEXTHDR_DEST 60 /* Destination options header. */
2b741653 42#define NEXTHDR_MOBILITY 135 /* Mobility header. */
1da177e4
LT		 43
44#define NEXTHDR_MAX 255
45
46
47
48#define IPV6_DEFAULT_HOPLIMIT 64
49#define IPV6_DEFAULT_MCASTHOPS 1
50
51/*
52 * Addr type
53 *
54 * type - unicast | multicast
55 * scope - local | site | global
56 * v4 - compat
57 * v4mapped
58 * any
59 * loopback
60 */
61
62#define IPV6_ADDR_ANY 0x0000U
63
64#define IPV6_ADDR_UNICAST 0x0001U
65#define IPV6_ADDR_MULTICAST 0x0002U
66
67#define IPV6_ADDR_LOOPBACK 0x0010U
68#define IPV6_ADDR_LINKLOCAL 0x0020U
69#define IPV6_ADDR_SITELOCAL 0x0040U
70
71#define IPV6_ADDR_COMPATv4 0x0080U
72
73#define IPV6_ADDR_SCOPE_MASK 0x00f0U
74
75#define IPV6_ADDR_MAPPED 0x1000U
76#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
77
78/*
79 * Addr scopes
80 */
81#ifdef __KERNEL__
82#define IPV6_ADDR_MC_SCOPE(a) \
83 ((a)->s6_addr[1] & 0x0f) /* nonstandard */
84#define __IPV6_ADDR_SCOPE_INVALID -1
85#endif
86#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
87#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
88#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
89#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08
90#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
91
92/*
93 * fragmentation header
94 */
95
96struct frag_hdr {
44473a6b
AV		 97 __u8 nexthdr;
98 __u8 reserved;
99 __be16 frag_off;
100 __be32 identification;
1da177e4
LT		 101};
102
103#define IP6_MF 0x0001
104
105#ifdef __KERNEL__
106
107#include <net/sock.h>
108
109/* sysctls */
1da177e4 110extern int sysctl_mld_max_msf;
3d7cc2ba
PE		 111extern struct ctl_path net_ipv6_ctl_path[];
112
14878f75
DS		 113#define _DEVINC(statname, modifier, idev, field) \
114({ \
a11d206d
YH		 115 struct inet6_dev *_idev = (idev); \
116 if (likely(_idev != NULL)) \
14878f75
DS		 117 SNMP_INC_STATS##modifier((_idev)->stats.statname, (field)); \
118 SNMP_INC_STATS##modifier(statname##_statistics, (field)); \
a11d206d 119})
14878f75 120
8e7999c4
PE		 121#define _DEVADD(statname, modifier, idev, field, val) \
122({ \
123 struct inet6_dev *_idev = (idev); \
124 if (likely(_idev != NULL)) \
125 SNMP_ADD_STATS##modifier((_idev)->stats.statname, (field), (val)); \
126 SNMP_ADD_STATS##modifier(statname##_statistics, (field), (val));\
127})
128
14878f75
DS		 129/* MIBs */
130DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
131
3bd653c8
DL		 132#define IP6_INC_STATS(net, idev,field) ({ (void)(net); \
133 _DEVINC(ipv6, , idev, field); })
483a47d2
DL		 134#define IP6_INC_STATS_BH(net, idev,field) ({ (void)(net); \
135 _DEVINC(ipv6, _BH, idev, field); })
821d5777
DL		 136#define IP6_ADD_STATS_BH(net, idev,field,val) ({ (void)(net); \
137 _DEVADD(ipv6, _BH, idev, field, val); })
14878f75 138
1da177e4 139DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
14878f75
DS		 140DECLARE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg_statistics);
141
a862f6a6
DL		 142#define ICMP6_INC_STATS(net, idev, field) ({ (void)(net); \
143 _DEVINC(icmpv6, , idev, field); })
e41b5368
DL		 144#define ICMP6_INC_STATS_BH(net, idev, field) ({ (void)(net); \
145 _DEVINC(icmpv6, _BH, idev, field); })
14878f75 146
5c5d244b
DL		 147#define ICMP6MSGOUT_INC_STATS(net, idev, field) ({ (void)(net); \
148 _DEVINC(icmpv6msg, , idev, field +256); })
5a57d4c7
DL		 149#define ICMP6MSGOUT_INC_STATS_BH(net, idev, field) ({ (void)(net); \
150 _DEVINC(icmpv6msg, _BH, idev, field +256); })
55d43808
DL		 151#define ICMP6MSGIN_INC_STATS_BH(net, idev, field) ({ (void)(net); \
152 _DEVINC(icmpv6msg, _BH, idev, field); })
14878f75 153
1da177e4
LT		 154struct ip6_ra_chain
155{
156 struct ip6_ra_chain *next;
157 struct sock *sk;
158 int sel;
159 void (*destructor)(struct sock *);
160};
161
162extern struct ip6_ra_chain *ip6_ra_chain;
163extern rwlock_t ip6_ra_lock;
164
165/*
166 This structure is prepared by protocol, when parsing
167 ancillary data and passed to IPv6.
168 */
169
170struct ipv6_txoptions
171{
172 /* Length of this structure */
173 int tot_len;
174
175 /* length of extension headers */
176
177 __u16 opt_flen; /* after fragment hdr */
178 __u16 opt_nflen; /* before fragment hdr */
179
180 struct ipv6_opt_hdr *hopopt;
181 struct ipv6_opt_hdr *dst0opt;
182 struct ipv6_rt_hdr *srcrt; /* Routing Header */
1da177e4
LT		 183 struct ipv6_opt_hdr *dst1opt;
184
185 /* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
186};
187
188struct ip6_flowlabel
189{
190 struct ip6_flowlabel *next;
90bcaf7b 191 __be32 label;
db3459d1 192 atomic_t users;
1da177e4
LT		 193 struct in6_addr dst;
194 struct ipv6_txoptions *opt;
1da177e4
LT		 195 unsigned long linger;
196 u8 share;
197 u32 owner;
198 unsigned long lastuse;
199 unsigned long expires;
60e8fbc4 200 struct net *fl_net;
1da177e4
LT		 201};
202
203#define IPV6_FLOWINFO_MASK __constant_htonl(0x0FFFFFFF)
204#define IPV6_FLOWLABEL_MASK __constant_htonl(0x000FFFFF)
205
206struct ipv6_fl_socklist
207{
208 struct ipv6_fl_socklist *next;
209 struct ip6_flowlabel *fl;
210};
211
90bcaf7b 212extern struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label);
1da177e4
LT		 213extern struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
214 struct ip6_flowlabel * fl,
215 struct ipv6_txoptions * fopt);
216extern void fl6_free_socklist(struct sock *sk);
217extern int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen);
0a3e78ac 218extern int ip6_flowlabel_init(void);
1da177e4
LT		 219extern void ip6_flowlabel_cleanup(void);
220
221static inline void fl6_sock_release(struct ip6_flowlabel *fl)
222{
223 if (fl)
224 atomic_dec(&fl->users);
225}
226
725a8ff0 227extern int ip6_ra_control(struct sock *sk, int sel);
1da177e4 228
e5bbef20 229extern int ipv6_parse_hopopts(struct sk_buff *skb);
1da177e4
LT		 230
231extern struct ipv6_txoptions * ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
333fad53
YH		 232extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
233 int newtype,
234 struct ipv6_opt_hdr __user *newopt,
235 int newoptlen);
df9890c3
YH		 236struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
237 struct ipv6_txoptions *opt);
1da177e4 238
399c07de
ACM		 239extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
240
e5a2bb84 241int ip6_frag_nqueues(struct net *net);
6ddc0822 242int ip6_frag_mem(struct net *net);
1da177e4
LT		 243
244#define IPV6_FRAG_TIMEOUT (60*HZ) /* 60 seconds */
245
b1cacb68
YH		 246extern int __ipv6_addr_type(const struct in6_addr *addr);
247static inline int ipv6_addr_type(const struct in6_addr *addr)
248{
249 return __ipv6_addr_type(addr) & 0xffff;
250}
1da177e4
LT		 251
252static inline int ipv6_addr_scope(const struct in6_addr *addr)
253{
b1cacb68
YH		 254 return __ipv6_addr_type(addr) & IPV6_ADDR_SCOPE_MASK;
255}
256
257static inline int __ipv6_addr_src_scope(int type)
258{
259 return (type == IPV6_ADDR_ANY ? __IPV6_ADDR_SCOPE_INVALID : (type >> 16));
260}
261
262static inline int ipv6_addr_src_scope(const struct in6_addr *addr)
263{
264 return __ipv6_addr_src_scope(__ipv6_addr_type(addr));
1da177e4
LT		 265}
266
267static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2)
268{
db3459d1 269 return memcmp(a1, a2, sizeof(struct in6_addr));
1da177e4
LT		 270}
271
f2ffd9ee
PM		 272static inline int
273ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m,
274 const struct in6_addr *a2)
275{
fed85383
YH		 276 return (!!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) |
277 ((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) |
278 ((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) |
279 ((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3])));
f2ffd9ee
PM		 280}
281
1da177e4
LT		 282static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
283{
db3459d1 284 memcpy(a1, a2, sizeof(struct in6_addr));
1da177e4
LT		 285}
286
287static inline void ipv6_addr_prefix(struct in6_addr *pfx,
288 const struct in6_addr *addr,
289 int plen)
290{
291 /* caller must guarantee 0 <= plen <= 128 */
292 int o = plen >> 3,
293 b = plen & 0x7;
294
db3459d1 295 memset(pfx->s6_addr, 0, sizeof(pfx->s6_addr));
1da177e4 296 memcpy(pfx->s6_addr, addr, o);
db3459d1 297 if (b != 0)
1da177e4 298 pfx->s6_addr[o] = addr->s6_addr[o] & (0xff00 >> b);
1da177e4
LT		 299}
300
1da177e4 301static inline void ipv6_addr_set(struct in6_addr *addr,
48818f82
AV		 302 __be32 w1, __be32 w2,
303 __be32 w3, __be32 w4)
1da177e4
LT		 304{
305 addr->s6_addr32[0] = w1;
306 addr->s6_addr32[1] = w2;
307 addr->s6_addr32[2] = w3;
308 addr->s6_addr32[3] = w4;
309}
1da177e4
LT		 310
311static inline int ipv6_addr_equal(const struct in6_addr *a1,
312 const struct in6_addr *a2)
313{
fed85383
YH		 314 return (((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
315 (a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
316 (a1->s6_addr32[2] ^ a2->s6_addr32[2]) |
317 (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0);
1da177e4
LT		 318}
319
48818f82 320static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
1da177e4
LT		 321 unsigned int prefixlen)
322{
323 unsigned pdw, pbi;
324
325 /* check complete u32 in prefix */
326 pdw = prefixlen >> 5;
327 if (pdw && memcmp(a1, a2, pdw << 2))
328 return 0;
329
330 /* check incomplete u32 in prefix */
331 pbi = prefixlen & 0x1f;
332 if (pbi && ((a1[pdw] ^ a2[pdw]) & htonl((0xffffffff) << (32 - pbi))))
333 return 0;
334
335 return 1;
336}
337
338static inline int ipv6_prefix_equal(const struct in6_addr *a1,
339 const struct in6_addr *a2,
340 unsigned int prefixlen)
341{
342 return __ipv6_prefix_equal(a1->s6_addr32, a2->s6_addr32,
343 prefixlen);
344}
345
2588fe1d 346struct inet_frag_queue;
2588fe1d 347
c6fda282
PE		 348struct ip6_create_arg {
349 __be32 id;
350 struct in6_addr *src;
351 struct in6_addr *dst;
352};
353
354void ip6_frag_init(struct inet_frag_queue *q, void *a);
abd6523d 355int ip6_frag_match(struct inet_frag_queue *q, void *a);
c6fda282 356
1da177e4
LT		 357static inline int ipv6_addr_any(const struct in6_addr *a)
358{
359 return ((a->s6_addr32[0] | a->s6_addr32[1] |
360 a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
361}
362
f630e43a
YH		 363static inline int ipv6_addr_loopback(const struct in6_addr *a)
364{
365 return ((a->s6_addr32[0] | a->s6_addr32[1] |
366 a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0);
367}
368
e773e4fa
BH		 369static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
370{
fed85383
YH		 371 return ((a->s6_addr32[0] | a->s6_addr32[1] |
372 (a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0);
e773e4fa
BH		 373}
374
99cd07a5
JMT		 375/*
376 * Check for a RFC 4843 ORCHID address
377 * (Overlay Routable Cryptographic Hash Identifiers)
378 */
379static inline int ipv6_addr_orchid(const struct in6_addr *a)
380{
381 return ((a->s6_addr32[0] & htonl(0xfffffff0))
382 == htonl(0x20010010));
383}
384
f15364bd
AC		 385static inline void ipv6_addr_set_v4mapped(const __be32 addr,
386 struct in6_addr *v4mapped)
387{
388 ipv6_addr_set(v4mapped,
389 0, 0,
390 htonl(0x0000FFFF),
391 addr);
392}
393
971f359d
YH		 394/*
395 * find the first different bit between two addresses
396 * length of address must be a multiple of 32bits
397 */
398static inline int __ipv6_addr_diff(const void *token1, const void *token2, int addrlen)
399{
ef296f56 400 const __be32 *a1 = token1, *a2 = token2;
971f359d
YH		 401 int i;
402
403 addrlen >>= 2;
404
405 for (i = 0; i < addrlen; i++) {
ef296f56
AV		 406 __be32 xb = a1[i] ^ a2[i];
407 if (xb)
408 return i * 32 + 32 - fls(ntohl(xb));
971f359d
YH		 409 }
410
411 /*
412 * we should *never* get to this point since that
413 * would mean the addrs are equal
414 *
415 * However, we do get to it 8) And exacly, when
416 * addresses are equal 8)
417 *
418 * ip route add 1111::/128 via ...
419 * ip route add 1111::/64 via ...
420 * and we are here.
421 *
422 * Ideally, this function should stop comparison
423 * at prefix length. It does not, but it is still OK,
424 * if returned value is greater than prefix length.
425 * --ANK (980803)
426 */
427 return (addrlen << 5);
428}
429
430static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_addr *a2)
431{
432 return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
433}
434
1da177e4
LT		 435/*
436 * Prototypes exported by ipv6
437 */
438
439/*
440 * rcv function (called from netdevice level)
441 */
442
443extern int ipv6_rcv(struct sk_buff *skb,
444 struct net_device *dev,
f2ccd8fa
DM		 445 struct packet_type *pt,
446 struct net_device *orig_dev);
1da177e4 447
b05e1066
PM		 448extern int ip6_rcv_finish(struct sk_buff *skb);
449
1da177e4
LT		 450/*
451 * upper-layer output functions
452 */
453extern int ip6_xmit(struct sock *sk,
454 struct sk_buff *skb,
455 struct flowi *fl,
456 struct ipv6_txoptions *opt,
457 int ipfragok);
458
459extern int ip6_nd_hdr(struct sock *sk,
460 struct sk_buff *skb,
461 struct net_device *dev,
9acd9f3a
YH		 462 const struct in6_addr *saddr,
463 const struct in6_addr *daddr,
1da177e4
LT		 464 int proto, int len);
465
466extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
467
468extern int ip6_append_data(struct sock *sk,
469 int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb),
470 void *from,
471 int length,
472 int transhdrlen,
473 int hlimit,
41a1f8ea 474 int tclass,
1da177e4
LT		 475 struct ipv6_txoptions *opt,
476 struct flowi *fl,
477 struct rt6_info *rt,
478 unsigned int flags);
479
480extern int ip6_push_pending_frames(struct sock *sk);
481
482extern void ip6_flush_pending_frames(struct sock *sk);
483
484extern int ip6_dst_lookup(struct sock *sk,
485 struct dst_entry **dst,
486 struct flowi *fl);
14e50e57
DM		 487extern int ip6_dst_blackhole(struct sock *sk,
488 struct dst_entry **dst,
489 struct flowi *fl);
497c615a
HX		 490extern int ip6_sk_dst_lookup(struct sock *sk,
491 struct dst_entry **dst,
492 struct flowi *fl);
1da177e4
LT		 493
494/*
495 * skb processing functions
496 */
497
498extern int ip6_output(struct sk_buff *skb);
499extern int ip6_forward(struct sk_buff *skb);
500extern int ip6_input(struct sk_buff *skb);
501extern int ip6_mc_input(struct sk_buff *skb);
502
ef76bc23
HX		 503extern int __ip6_local_out(struct sk_buff *skb);
504extern int ip6_local_out(struct sk_buff *skb);
505
1da177e4
LT		 506/*
507 * Extension header (options) processing
508 */
509
1da177e4
LT		 510extern void ipv6_push_nfrag_opts(struct sk_buff *skb,
511 struct ipv6_txoptions *opt,
512 u8 *proto,
513 struct in6_addr **daddr_p);
514extern void ipv6_push_frag_opts(struct sk_buff *skb,
515 struct ipv6_txoptions *opt,
516 u8 *proto);
517
518extern int ipv6_skip_exthdr(const struct sk_buff *, int start,
0d3d077c 519 u8 *nexthdrp);
1da177e4
LT		 520
521extern int ipv6_ext_hdr(u8 nexthdr);
522
c61a4043
MN		 523extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
524
1da177e4
LT		 525/*
526 * socket options (ipv6_sockglue.c)
527 */
528
529extern int ipv6_setsockopt(struct sock *sk, int level,
530 int optname,
531 char __user *optval,
532 int optlen);
533extern int ipv6_getsockopt(struct sock *sk, int level,
534 int optname,
535 char __user *optval,
536 int __user *optlen);
3fdadf7d
DM		 537extern int compat_ipv6_setsockopt(struct sock *sk,
538 int level,
539 int optname,
540 char __user *optval,
541 int optlen);
542extern int compat_ipv6_getsockopt(struct sock *sk,
543 int level,
544 int optname,
545 char __user *optval,
546 int __user *optlen);
1da177e4 547
1da177e4
LT		 548extern int ip6_datagram_connect(struct sock *sk,
549 struct sockaddr *addr, int addr_len);
550
551extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
e69a4adc 552extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
1da177e4
LT		 553 u32 info, u8 *payload);
554extern void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info);
555
556extern int inet6_release(struct socket *sock);
557extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr,
558 int addr_len);
559extern int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
560 int *uaddr_len, int peer);
561extern int inet6_ioctl(struct socket *sock, unsigned int cmd,
562 unsigned long arg);
563
d8313f5c
ACM		 564extern int inet6_hash_connect(struct inet_timewait_death_row *death_row,
565 struct sock *sk);
566
1da177e4
LT		 567/*
568 * reassembly.c
569 */
90ddc4f0
ED		 570extern const struct proto_ops inet6_stream_ops;
571extern const struct proto_ops inet6_dgram_ops;
20380731 572
14c85021
ACM		 573struct group_source_req;
574struct group_filter;
575
20380731
ACM		 576extern int ip6_mc_source(int add, int omode, struct sock *sk,
577 struct group_source_req *pgsr);
578extern int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
579extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
580 struct group_filter __user *optval,
581 int __user *optlen);
93c8b90f
IJ		 582extern unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
583 const struct in6_addr *daddr, u32 rnd);
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ACM		 584
585#ifdef CONFIG_PROC_FS
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DL		 586extern int ac6_proc_init(struct net *net);
587extern void ac6_proc_exit(struct net *net);
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ACM		 588extern int raw6_proc_init(void);
589extern void raw6_proc_exit(void);
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DL		 590extern int tcp6_proc_init(struct net *net);
591extern void tcp6_proc_exit(struct net *net);
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DL		 592extern int udp6_proc_init(struct net *net);
593extern void udp6_proc_exit(struct net *net);
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GR		 594extern int udplite6_proc_init(void);
595extern void udplite6_proc_exit(void);
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ACM		 596extern int ipv6_misc_proc_init(void);
597extern void ipv6_misc_proc_exit(void);
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HX		 598extern int snmp6_register_dev(struct inet6_dev *idev);
599extern int snmp6_unregister_dev(struct inet6_dev *idev);
20380731 600
7f7d9a6b 601#else
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DL		 602static inline int ac6_proc_init(struct net *net) { return 0; }
603static inline void ac6_proc_exit(struct net *net) { }
604static inline int snmp6_register_dev(struct inet6_dev *idev) { return 0; }
605static inline int snmp6_unregister_dev(struct inet6_dev *idev) { return 0; }
20380731 606#endif
1da177e4 607
20380731 608#ifdef CONFIG_SYSCTL
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DL		 609extern ctl_table ipv6_route_table_template[];
610extern ctl_table ipv6_icmp_table_template[];
1da177e4 611
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DL		 612extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net);
613extern struct ctl_table *ipv6_route_sysctl_init(struct net *net);
291480c0 614extern int ipv6_sysctl_register(void);
20380731 615extern void ipv6_sysctl_unregister(void);
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AV		 616extern int ipv6_static_sysctl_register(void);
617extern void ipv6_static_sysctl_unregister(void);
20380731 618#endif
1da177e4 619
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ACM		 620#endif /* __KERNEL__ */
621#endif /* _NET_IPV6_H */
kernel source for telekom puls (alcatel/mediatek)