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[INET]: Consolidate the xxx_frag_destroy
[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 *
7 * $Id: ipv6.h,v 1.1 2002/05/20 15:13:07 jgrimm Exp $
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 */
14
15#ifndef _NET_IPV6_H
16#define _NET_IPV6_H
17
18#include <linux/ipv6.h>
19#include <linux/hardirq.h>
20283d84 20#include <net/if_inet6.h>
1da177e4
LT		 21#include <net/ndisc.h>
22#include <net/flow.h>
23#include <net/snmp.h>
24
25#define SIN6_LEN_RFC2133 24
26
27#define IPV6_MAXPLEN 65535
28
29/*
30 * NextHeader field of IPv6 header
31 */
32
33#define NEXTHDR_HOP 0 /* Hop-by-hop option header. */
34#define NEXTHDR_TCP 6 /* TCP segment. */
35#define NEXTHDR_UDP 17 /* UDP message. */
36#define NEXTHDR_IPV6 41 /* IPv6 in IPv6 */
37#define NEXTHDR_ROUTING 43 /* Routing header. */
38#define NEXTHDR_FRAGMENT 44 /* Fragmentation/reassembly header. */
39#define NEXTHDR_ESP 50 /* Encapsulating security payload. */
40#define NEXTHDR_AUTH 51 /* Authentication header. */
41#define NEXTHDR_ICMP 58 /* ICMP for IPv6. */
42#define NEXTHDR_NONE 59 /* No next header */
43#define NEXTHDR_DEST 60 /* Destination options header. */
2b741653 44#define NEXTHDR_MOBILITY 135 /* Mobility header. */
1da177e4
LT		 45
46#define NEXTHDR_MAX 255
47
48
49
50#define IPV6_DEFAULT_HOPLIMIT 64
51#define IPV6_DEFAULT_MCASTHOPS 1
52
53/*
54 * Addr type
55 *
56 * type - unicast | multicast
57 * scope - local | site | global
58 * v4 - compat
59 * v4mapped
60 * any
61 * loopback
62 */
63
64#define IPV6_ADDR_ANY 0x0000U
65
66#define IPV6_ADDR_UNICAST 0x0001U
67#define IPV6_ADDR_MULTICAST 0x0002U
68
69#define IPV6_ADDR_LOOPBACK 0x0010U
70#define IPV6_ADDR_LINKLOCAL 0x0020U
71#define IPV6_ADDR_SITELOCAL 0x0040U
72
73#define IPV6_ADDR_COMPATv4 0x0080U
74
75#define IPV6_ADDR_SCOPE_MASK 0x00f0U
76
77#define IPV6_ADDR_MAPPED 0x1000U
78#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
79
80/*
81 * Addr scopes
82 */
83#ifdef __KERNEL__
84#define IPV6_ADDR_MC_SCOPE(a) \
85 ((a)->s6_addr[1] & 0x0f) /* nonstandard */
86#define __IPV6_ADDR_SCOPE_INVALID -1
87#endif
88#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
89#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
90#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
91#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08
92#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
93
94/*
95 * fragmentation header
96 */
97
98struct frag_hdr {
44473a6b
AV		 99 __u8 nexthdr;
100 __u8 reserved;
101 __be16 frag_off;
102 __be32 identification;
1da177e4
LT		 103};
104
105#define IP6_MF 0x0001
106
107#ifdef __KERNEL__
108
109#include <net/sock.h>
110
111/* sysctls */
112extern int sysctl_ipv6_bindv6only;
113extern int sysctl_mld_max_msf;
114
14878f75
DS		 115#define _DEVINC(statname, modifier, idev, field) \
116({ \
a11d206d
YH		 117 struct inet6_dev *_idev = (idev); \
118 if (likely(_idev != NULL)) \
14878f75
DS		 119 SNMP_INC_STATS##modifier((_idev)->stats.statname, (field)); \
120 SNMP_INC_STATS##modifier(statname##_statistics, (field)); \
a11d206d 121})
14878f75
DS		 122
123/* MIBs */
124DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
125
126#define IP6_INC_STATS(idev,field) _DEVINC(ipv6, , idev, field)
127#define IP6_INC_STATS_BH(idev,field) _DEVINC(ipv6, _BH, idev, field)
128#define IP6_INC_STATS_USER(idev,field) _DEVINC(ipv6, _USER, idev, field)
129
1da177e4 130DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
14878f75
DS		 131DECLARE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg_statistics);
132
133#define ICMP6_INC_STATS(idev, field) _DEVINC(icmpv6, , idev, field)
134#define ICMP6_INC_STATS_BH(idev, field) _DEVINC(icmpv6, _BH, idev, field)
135#define ICMP6_INC_STATS_USER(idev, field) _DEVINC(icmpv6, _USER, idev, field)
136
1da177e4
LT		 137#define ICMP6_INC_STATS_OFFSET_BH(idev, field, offset) ({ \
138 struct inet6_dev *_idev = idev; \
139 __typeof__(offset) _offset = (offset); \
140 if (likely(_idev != NULL)) \
141 SNMP_INC_STATS_OFFSET_BH(_idev->stats.icmpv6, field, _offset); \
142 SNMP_INC_STATS_OFFSET_BH(icmpv6_statistics, field, _offset); \
143})
14878f75
DS		 144
145#define ICMP6MSGOUT_INC_STATS(idev, field) \
146 _DEVINC(icmpv6msg, , idev, field +256)
147#define ICMP6MSGOUT_INC_STATS_BH(idev, field) \
148 _DEVINC(icmpv6msg, _BH, idev, field +256)
149#define ICMP6MSGOUT_INC_STATS_USER(idev, field) \
150 _DEVINC(icmpv6msg, _USER, idev, field +256)
151#define ICMP6MSGIN_INC_STATS(idev, field) \
152 _DEVINC(icmpv6msg, , idev, field)
153#define ICMP6MSGIN_INC_STATS_BH(idev, field) \
154 _DEVINC(icmpv6msg, _BH, idev, field)
155#define ICMP6MSGIN_INC_STATS_USER(idev, field) \
156 _DEVINC(icmpv6msg, _USER, idev, field)
157
1da177e4 158DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
ba4e58ec
GR		 159DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
160#define UDP6_INC_STATS_BH(field, is_udplite) do { \
161 if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field); \
162 else SNMP_INC_STATS_BH(udp_stats_in6, field); } while(0)
163#define UDP6_INC_STATS_USER(field, is_udplite) do { \
164 if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field); \
165 else SNMP_INC_STATS_USER(udp_stats_in6, field); } while(0)
1da177e4 166
1da177e4
LT		 167struct ip6_ra_chain
168{
169 struct ip6_ra_chain *next;
170 struct sock *sk;
171 int sel;
172 void (*destructor)(struct sock *);
173};
174
175extern struct ip6_ra_chain *ip6_ra_chain;
176extern rwlock_t ip6_ra_lock;
177
178/*
179 This structure is prepared by protocol, when parsing
180 ancillary data and passed to IPv6.
181 */
182
183struct ipv6_txoptions
184{
185 /* Length of this structure */
186 int tot_len;
187
188 /* length of extension headers */
189
190 __u16 opt_flen; /* after fragment hdr */
191 __u16 opt_nflen; /* before fragment hdr */
192
193 struct ipv6_opt_hdr *hopopt;
194 struct ipv6_opt_hdr *dst0opt;
195 struct ipv6_rt_hdr *srcrt; /* Routing Header */
1da177e4
LT		 196 struct ipv6_opt_hdr *dst1opt;
197
198 /* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
199};
200
201struct ip6_flowlabel
202{
203 struct ip6_flowlabel *next;
90bcaf7b 204 __be32 label;
db3459d1 205 atomic_t users;
1da177e4
LT		 206 struct in6_addr dst;
207 struct ipv6_txoptions *opt;
1da177e4
LT		 208 unsigned long linger;
209 u8 share;
210 u32 owner;
211 unsigned long lastuse;
212 unsigned long expires;
213};
214
215#define IPV6_FLOWINFO_MASK __constant_htonl(0x0FFFFFFF)
216#define IPV6_FLOWLABEL_MASK __constant_htonl(0x000FFFFF)
217
218struct ipv6_fl_socklist
219{
220 struct ipv6_fl_socklist *next;
221 struct ip6_flowlabel *fl;
222};
223
90bcaf7b 224extern struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label);
1da177e4
LT		 225extern struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
226 struct ip6_flowlabel * fl,
227 struct ipv6_txoptions * fopt);
228extern void fl6_free_socklist(struct sock *sk);
229extern int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen);
230extern void ip6_flowlabel_init(void);
231extern void ip6_flowlabel_cleanup(void);
232
233static inline void fl6_sock_release(struct ip6_flowlabel *fl)
234{
235 if (fl)
236 atomic_dec(&fl->users);
237}
238
239extern int ip6_ra_control(struct sock *sk, int sel,
240 void (*destructor)(struct sock *));
241
242
a80ff03e 243extern int ipv6_parse_hopopts(struct sk_buff **skbp);
1da177e4
LT		 244
245extern struct ipv6_txoptions * ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
333fad53
YH		 246extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
247 int newtype,
248 struct ipv6_opt_hdr __user *newopt,
249 int newoptlen);
df9890c3
YH		 250struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
251 struct ipv6_txoptions *opt);
1da177e4 252
399c07de
ACM		 253extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
254
7eb95156
PE		 255int ip6_frag_nqueues(void);
256int ip6_frag_mem(void);
1da177e4
LT		 257
258#define IPV6_FRAG_TIMEOUT (60*HZ) /* 60 seconds */
259
260/*
261 * Function prototype for build_xmit
262 */
263
264typedef int (*inet_getfrag_t) (const void *data,
265 struct in6_addr *addr,
266 char *,
267 unsigned int, unsigned int);
268
b1cacb68
YH		 269extern int __ipv6_addr_type(const struct in6_addr *addr);
270static inline int ipv6_addr_type(const struct in6_addr *addr)
271{
272 return __ipv6_addr_type(addr) & 0xffff;
273}
1da177e4
LT		 274
275static inline int ipv6_addr_scope(const struct in6_addr *addr)
276{
b1cacb68
YH		 277 return __ipv6_addr_type(addr) & IPV6_ADDR_SCOPE_MASK;
278}
279
280static inline int __ipv6_addr_src_scope(int type)
281{
282 return (type == IPV6_ADDR_ANY ? __IPV6_ADDR_SCOPE_INVALID : (type >> 16));
283}
284
285static inline int ipv6_addr_src_scope(const struct in6_addr *addr)
286{
287 return __ipv6_addr_src_scope(__ipv6_addr_type(addr));
1da177e4
LT		 288}
289
290static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2)
291{
db3459d1 292 return memcmp(a1, a2, sizeof(struct in6_addr));
1da177e4
LT		 293}
294
f2ffd9ee
PM		 295static inline int
296ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m,
297 const struct in6_addr *a2)
298{
299 unsigned int i;
300
301 for (i = 0; i < 4; i++)
302 if ((a1->s6_addr32[i] ^ a2->s6_addr32[i]) & m->s6_addr32[i])
303 return 1;
304 return 0;
305}
306
1da177e4
LT		 307static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
308{
db3459d1 309 memcpy(a1, a2, sizeof(struct in6_addr));
1da177e4
LT		 310}
311
312static inline void ipv6_addr_prefix(struct in6_addr *pfx,
313 const struct in6_addr *addr,
314 int plen)
315{
316 /* caller must guarantee 0 <= plen <= 128 */
317 int o = plen >> 3,
318 b = plen & 0x7;
319
db3459d1 320 memset(pfx->s6_addr, 0, sizeof(pfx->s6_addr));
1da177e4 321 memcpy(pfx->s6_addr, addr, o);
db3459d1 322 if (b != 0)
1da177e4 323 pfx->s6_addr[o] = addr->s6_addr[o] & (0xff00 >> b);
1da177e4
LT		 324}
325
1da177e4 326static inline void ipv6_addr_set(struct in6_addr *addr,
48818f82
AV		 327 __be32 w1, __be32 w2,
328 __be32 w3, __be32 w4)
1da177e4
LT		 329{
330 addr->s6_addr32[0] = w1;
331 addr->s6_addr32[1] = w2;
332 addr->s6_addr32[2] = w3;
333 addr->s6_addr32[3] = w4;
334}
1da177e4
LT		 335
336static inline int ipv6_addr_equal(const struct in6_addr *a1,
337 const struct in6_addr *a2)
338{
339 return (a1->s6_addr32[0] == a2->s6_addr32[0] &&
340 a1->s6_addr32[1] == a2->s6_addr32[1] &&
341 a1->s6_addr32[2] == a2->s6_addr32[2] &&
342 a1->s6_addr32[3] == a2->s6_addr32[3]);
343}
344
48818f82 345static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
1da177e4
LT		 346 unsigned int prefixlen)
347{
348 unsigned pdw, pbi;
349
350 /* check complete u32 in prefix */
351 pdw = prefixlen >> 5;
352 if (pdw && memcmp(a1, a2, pdw << 2))
353 return 0;
354
355 /* check incomplete u32 in prefix */
356 pbi = prefixlen & 0x1f;
357 if (pbi && ((a1[pdw] ^ a2[pdw]) & htonl((0xffffffff) << (32 - pbi))))
358 return 0;
359
360 return 1;
361}
362
363static inline int ipv6_prefix_equal(const struct in6_addr *a1,
364 const struct in6_addr *a2,
365 unsigned int prefixlen)
366{
367 return __ipv6_prefix_equal(a1->s6_addr32, a2->s6_addr32,
368 prefixlen);
369}
370
371static inline int ipv6_addr_any(const struct in6_addr *a)
372{
373 return ((a->s6_addr32[0] | a->s6_addr32[1] |
374 a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
375}
376
e773e4fa
BH		 377static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
378{
379 return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 &&
380 a->s6_addr32[2] == htonl(0x0000ffff));
381}
382
971f359d
YH		 383/*
384 * find the first different bit between two addresses
385 * length of address must be a multiple of 32bits
386 */
387static inline int __ipv6_addr_diff(const void *token1, const void *token2, int addrlen)
388{
ef296f56 389 const __be32 *a1 = token1, *a2 = token2;
971f359d
YH		 390 int i;
391
392 addrlen >>= 2;
393
394 for (i = 0; i < addrlen; i++) {
ef296f56
AV		 395 __be32 xb = a1[i] ^ a2[i];
396 if (xb)
397 return i * 32 + 32 - fls(ntohl(xb));
971f359d
YH		 398 }
399
400 /*
401 * we should *never* get to this point since that
402 * would mean the addrs are equal
403 *
404 * However, we do get to it 8) And exacly, when
405 * addresses are equal 8)
406 *
407 * ip route add 1111::/128 via ...
408 * ip route add 1111::/64 via ...
409 * and we are here.
410 *
411 * Ideally, this function should stop comparison
412 * at prefix length. It does not, but it is still OK,
413 * if returned value is greater than prefix length.
414 * --ANK (980803)
415 */
416 return (addrlen << 5);
417}
418
419static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_addr *a2)
420{
421 return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
422}
423
1da177e4
LT		 424/*
425 * Prototypes exported by ipv6
426 */
427
428/*
429 * rcv function (called from netdevice level)
430 */
431
432extern int ipv6_rcv(struct sk_buff *skb,
433 struct net_device *dev,
f2ccd8fa
DM		 434 struct packet_type *pt,
435 struct net_device *orig_dev);
1da177e4 436
b05e1066
PM		 437extern int ip6_rcv_finish(struct sk_buff *skb);
438
1da177e4
LT		 439/*
440 * upper-layer output functions
441 */
442extern int ip6_xmit(struct sock *sk,
443 struct sk_buff *skb,
444 struct flowi *fl,
445 struct ipv6_txoptions *opt,
446 int ipfragok);
447
448extern int ip6_nd_hdr(struct sock *sk,
449 struct sk_buff *skb,
450 struct net_device *dev,
451 struct in6_addr *saddr,
452 struct in6_addr *daddr,
453 int proto, int len);
454
455extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
456
457extern int ip6_append_data(struct sock *sk,
458 int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb),
459 void *from,
460 int length,
461 int transhdrlen,
462 int hlimit,
41a1f8ea 463 int tclass,
1da177e4
LT		 464 struct ipv6_txoptions *opt,
465 struct flowi *fl,
466 struct rt6_info *rt,
467 unsigned int flags);
468
469extern int ip6_push_pending_frames(struct sock *sk);
470
471extern void ip6_flush_pending_frames(struct sock *sk);
472
473extern int ip6_dst_lookup(struct sock *sk,
474 struct dst_entry **dst,
475 struct flowi *fl);
14e50e57
DM		 476extern int ip6_dst_blackhole(struct sock *sk,
477 struct dst_entry **dst,
478 struct flowi *fl);
497c615a
HX		 479extern int ip6_sk_dst_lookup(struct sock *sk,
480 struct dst_entry **dst,
481 struct flowi *fl);
1da177e4
LT		 482
483/*
484 * skb processing functions
485 */
486
487extern int ip6_output(struct sk_buff *skb);
488extern int ip6_forward(struct sk_buff *skb);
489extern int ip6_input(struct sk_buff *skb);
490extern int ip6_mc_input(struct sk_buff *skb);
491
492/*
493 * Extension header (options) processing
494 */
495
496extern u8 * ipv6_build_nfrag_opts(struct sk_buff *skb,
497 u8 *prev_hdr,
498 struct ipv6_txoptions *opt,
499 struct in6_addr *daddr,
500 u32 jumbolen);
501extern u8 * ipv6_build_frag_opts(struct sk_buff *skb,
502 u8 *prev_hdr,
503 struct ipv6_txoptions *opt);
504extern void ipv6_push_nfrag_opts(struct sk_buff *skb,
505 struct ipv6_txoptions *opt,
506 u8 *proto,
507 struct in6_addr **daddr_p);
508extern void ipv6_push_frag_opts(struct sk_buff *skb,
509 struct ipv6_txoptions *opt,
510 u8 *proto);
511
512extern int ipv6_skip_exthdr(const struct sk_buff *, int start,
0d3d077c 513 u8 *nexthdrp);
1da177e4
LT		 514
515extern int ipv6_ext_hdr(u8 nexthdr);
516
c61a4043
MN		 517extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
518
1da177e4
LT		 519/*
520 * socket options (ipv6_sockglue.c)
521 */
522
523extern int ipv6_setsockopt(struct sock *sk, int level,
524 int optname,
525 char __user *optval,
526 int optlen);
527extern int ipv6_getsockopt(struct sock *sk, int level,
528 int optname,
529 char __user *optval,
530 int __user *optlen);
3fdadf7d
DM		 531extern int compat_ipv6_setsockopt(struct sock *sk,
532 int level,
533 int optname,
534 char __user *optval,
535 int optlen);
536extern int compat_ipv6_getsockopt(struct sock *sk,
537 int level,
538 int optname,
539 char __user *optval,
540 int __user *optlen);
1da177e4
LT		 541
542extern void ipv6_packet_init(void);
543
544extern void ipv6_packet_cleanup(void);
545
546extern int ip6_datagram_connect(struct sock *sk,
547 struct sockaddr *addr, int addr_len);
548
549extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
e69a4adc 550extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
1da177e4
LT		 551 u32 info, u8 *payload);
552extern void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info);
553
554extern int inet6_release(struct socket *sock);
555extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr,
556 int addr_len);
557extern int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
558 int *uaddr_len, int peer);
559extern int inet6_ioctl(struct socket *sock, unsigned int cmd,
560 unsigned long arg);
561
d8313f5c
ACM		 562extern int inet6_hash_connect(struct inet_timewait_death_row *death_row,
563 struct sock *sk);
564
1da177e4
LT		 565/*
566 * reassembly.c
567 */
04128f23
PE		 568struct inet_frags_ctl;
569extern struct inet_frags_ctl ip6_frags_ctl;
1da177e4 570
90ddc4f0
ED		 571extern const struct proto_ops inet6_stream_ops;
572extern const struct proto_ops inet6_dgram_ops;
20380731 573
14c85021
ACM		 574struct group_source_req;
575struct group_filter;
576
20380731
ACM		 577extern int ip6_mc_source(int add, int omode, struct sock *sk,
578 struct group_source_req *pgsr);
579extern int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
580extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
581 struct group_filter __user *optval,
582 int __user *optlen);
583
584#ifdef CONFIG_PROC_FS
585extern int ac6_proc_init(void);
586extern void ac6_proc_exit(void);
587extern int raw6_proc_init(void);
588extern void raw6_proc_exit(void);
589extern int tcp6_proc_init(void);
590extern void tcp6_proc_exit(void);
591extern int udp6_proc_init(void);
592extern void udp6_proc_exit(void);
ba4e58ec
GR		 593extern int udplite6_proc_init(void);
594extern void udplite6_proc_exit(void);
20380731
ACM		 595extern int ipv6_misc_proc_init(void);
596extern void ipv6_misc_proc_exit(void);
7f7d9a6b
HX		 597extern int snmp6_register_dev(struct inet6_dev *idev);
598extern int snmp6_unregister_dev(struct inet6_dev *idev);
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ACM		 599
600extern struct rt6_statistics rt6_stats;
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HX		 601#else
602static inline int snmp6_register_dev(struct inet6_dev *idev)
603{
604 return 0;
605}
606
607static inline int snmp6_unregister_dev(struct inet6_dev *idev)
608{
609 return 0;
610}
20380731 611#endif
1da177e4 612
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ACM		 613#ifdef CONFIG_SYSCTL
614extern ctl_table ipv6_route_table[];
615extern ctl_table ipv6_icmp_table[];
1da177e4 616
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ACM		 617extern void ipv6_sysctl_register(void);
618extern void ipv6_sysctl_unregister(void);
619#endif
1da177e4 620
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ACM		 621#endif /* __KERNEL__ */
622#endif /* _NET_IPV6_H */
kernel source for telekom puls (alcatel/mediatek)