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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [net/] [bsd_tcpip/] [v2_0/] [include/] [netinet6/] [ip6_var.h] - Blame information for rev 749

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//==========================================================================
2
//
3
//      include/netinet6/ip6_var.h
4
//
5
//==========================================================================
6
//####BSDCOPYRIGHTBEGIN####
7
//
8
// -------------------------------------------
9
//
10
// Portions of this software may have been derived from OpenBSD, 
11
// FreeBSD or other sources, and are covered by the appropriate
12
// copyright disclaimers included herein.
13
//
14
// Portions created by Red Hat are
15
// Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
16
//
17
// -------------------------------------------
18
//
19
//####BSDCOPYRIGHTEND####
20
//==========================================================================
21
 
22
/*      $KAME: ip6_var.h,v 1.79 2001/12/27 15:37:41 jinmei Exp $        */
23
 
24
/*
25
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
26
 * All rights reserved.
27
 *
28
 * Redistribution and use in source and binary forms, with or without
29
 * modification, are permitted provided that the following conditions
30
 * are met:
31
 * 1. Redistributions of source code must retain the above copyright
32
 *    notice, this list of conditions and the following disclaimer.
33
 * 2. Redistributions in binary form must reproduce the above copyright
34
 *    notice, this list of conditions and the following disclaimer in the
35
 *    documentation and/or other materials provided with the distribution.
36
 * 3. Neither the name of the project nor the names of its contributors
37
 *    may be used to endorse or promote products derived from this software
38
 *    without specific prior written permission.
39
 *
40
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
41
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
44
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50
 * SUCH DAMAGE.
51
 */
52
 
53
/*
54
 * Copyright (c) 1982, 1986, 1993
55
 *      The Regents of the University of California.  All rights reserved.
56
 *
57
 * Redistribution and use in source and binary forms, with or without
58
 * modification, are permitted provided that the following conditions
59
 * are met:
60
 * 1. Redistributions of source code must retain the above copyright
61
 *    notice, this list of conditions and the following disclaimer.
62
 * 2. Redistributions in binary form must reproduce the above copyright
63
 *    notice, this list of conditions and the following disclaimer in the
64
 *    documentation and/or other materials provided with the distribution.
65
 * 3. All advertising materials mentioning features or use of this software
66
 *    must display the following acknowledgement:
67
 *      This product includes software developed by the University of
68
 *      California, Berkeley and its contributors.
69
 * 4. Neither the name of the University nor the names of its contributors
70
 *    may be used to endorse or promote products derived from this software
71
 *    without specific prior written permission.
72
 *
73
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
74
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
75
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
76
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
77
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
78
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
79
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
80
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
81
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
82
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
83
 * SUCH DAMAGE.
84
 *
85
 *      @(#)ip_var.h    8.1 (Berkeley) 6/10/93
86
 */
87
 
88
#ifndef _NETINET6_IP6_VAR_H_
89
#define _NETINET6_IP6_VAR_H_
90
 
91
/*
92
 * IP6 reassembly queue structure.  Each fragment
93
 * being reassembled is attached to one of these structures.
94
 */
95
struct  ip6q {
96
        u_int32_t       ip6q_head;
97
        u_int16_t       ip6q_len;
98
        u_int8_t        ip6q_nxt;       /* ip6f_nxt in first fragment */
99
        u_int8_t        ip6q_hlim;
100
        struct ip6asfrag *ip6q_down;
101
        struct ip6asfrag *ip6q_up;
102
        u_int32_t       ip6q_ident;
103
        u_int8_t        ip6q_arrive;
104
        u_int8_t        ip6q_ttl;
105
        struct in6_addr ip6q_src, ip6q_dst;
106
        struct ip6q     *ip6q_next;
107
        struct ip6q     *ip6q_prev;
108
        int             ip6q_unfrglen;  /* len of unfragmentable part */
109
#ifdef notyet
110
        u_char          *ip6q_nxtp;
111
#endif
112
};
113
 
114
struct  ip6asfrag {
115
        u_int32_t       ip6af_head;
116
        u_int16_t       ip6af_len;
117
        u_int8_t        ip6af_nxt;
118
        u_int8_t        ip6af_hlim;
119
        /* must not override the above members during reassembling */
120
        struct ip6asfrag *ip6af_down;
121
        struct ip6asfrag *ip6af_up;
122
        struct mbuf     *ip6af_m;
123
        int             ip6af_offset;   /* offset in ip6af_m to next header */
124
        int             ip6af_frglen;   /* fragmentable part length */
125
        int             ip6af_off;      /* fragment offset */
126
        u_int16_t       ip6af_mff;      /* more fragment bit in frag off */
127
};
128
 
129
#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m))
130
 
131
struct  ip6_moptions {
132
        struct  ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
133
        u_char  im6o_multicast_hlim;    /* hoplimit for outgoing multicasts */
134
        u_char  im6o_multicast_loop;    /* 1 >= hear sends if a member */
135
        LIST_HEAD(, in6_multi_mship) im6o_memberships;
136
};
137
 
138
/*
139
 * Control options for outgoing packets
140
 */
141
 
142
/* Routing header related info */
143
struct  ip6po_rhinfo {
144
        struct  ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
145
#if defined(NEW_STRUCT_ROUTE) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
146
        struct  route ip6po_rhi_route; /* Route to the 1st hop */
147
#else
148
        struct  route_in6 ip6po_rhi_route; /* Route to the 1st hop */
149
#endif
150
};
151
#define ip6po_rthdr     ip6po_rhinfo.ip6po_rhi_rthdr
152
#define ip6po_route     ip6po_rhinfo.ip6po_rhi_route
153
 
154
/* Nexthop related info */
155
struct  ip6po_nhinfo {
156
        struct  sockaddr *ip6po_nhi_nexthop;
157
#if defined(NEW_STRUCT_ROUTE) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
158
        struct  route ip6po_nhi_route; /* Route to the nexthop */
159
#else
160
        struct  route_in6 ip6po_nhi_route; /* Route to the nexthop */
161
#endif
162
};
163
#define ip6po_nexthop   ip6po_nhinfo.ip6po_nhi_nexthop
164
#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route
165
 
166
struct  ip6_pktopts {
167
        int     ip6po_hlim;     /* Hoplimit for outgoing packets */
168
 
169
        /* Outgoing IF/address information */
170
        struct  in6_pktinfo *ip6po_pktinfo;
171
 
172
        /* Next-hop address information */
173
        struct  ip6po_nhinfo ip6po_nhinfo;
174
 
175
        struct  ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */
176
 
177
        /* Destination options header (before a routing header) */
178
        struct  ip6_dest *ip6po_dest1;
179
 
180
        /* Routing header related info. */
181
        struct  ip6po_rhinfo ip6po_rhinfo;
182
 
183
        /* Destination options header (after a routing header) */
184
        struct  ip6_dest *ip6po_dest2;
185
 
186
        /* traffic class */
187
        int             ip6po_tclass;
188
 
189
        int ip6po_flags;
190
#define IP6PO_REACHCONF 0x01    /* upper-layer reachability confirmation */
191
#define IP6PO_MINMTU    0x02    /* use minimum MTU (IPV6_USE_MIN_MTU) */
192
#define IP6PO_DONTFRAG  0x04    /* disable fragmentation (IPV6_DONTFRAG) */
193
 
194
        int     needfree;       /* members dynamically allocated */
195
};
196
 
197
/*
198
 * Control options for incoming packets
199
 */
200
 
201
struct ip6_recvpktopts {
202
        struct mbuf *head;      /* mbuf chain of data passed to a user */
203
 
204
#ifdef SO_TIMESTAMP
205
        struct mbuf *timestamp; /* timestamp */
206
#endif
207
        struct mbuf *hlim;      /* received hop limit */
208
        struct mbuf *pktinfo;   /* packet information of rcv packet */
209
        struct mbuf *hbh;       /* HbH options header of rcv packet */
210
        struct mbuf *dest;      /* Dest opt header of rcv packet */
211
        struct mbuf *rthdr;     /* Routing header of rcv packet */
212
};
213
 
214
struct  ip6stat {
215
        u_quad_t ip6s_total;            /* total packets received */
216
        u_quad_t ip6s_tooshort;         /* packet too short */
217
        u_quad_t ip6s_toosmall;         /* not enough data */
218
        u_quad_t ip6s_fragments;        /* fragments received */
219
        u_quad_t ip6s_fragdropped;      /* frags dropped(dups, out of space) */
220
        u_quad_t ip6s_fragtimeout;      /* fragments timed out */
221
        u_quad_t ip6s_fragoverflow;     /* fragments that exceeded limit */
222
        u_quad_t ip6s_forward;          /* packets forwarded */
223
        u_quad_t ip6s_cantforward;      /* packets rcvd for unreachable dest */
224
        u_quad_t ip6s_redirectsent;     /* packets forwarded on same net */
225
        u_quad_t ip6s_delivered;        /* datagrams delivered to upper level*/
226
        u_quad_t ip6s_localout;         /* total ip packets generated here */
227
        u_quad_t ip6s_odropped;         /* lost packets due to nobufs, etc. */
228
        u_quad_t ip6s_reassembled;      /* total packets reassembled ok */
229
        u_quad_t ip6s_fragmented;       /* datagrams sucessfully fragmented */
230
        u_quad_t ip6s_ofragments;       /* output fragments created */
231
        u_quad_t ip6s_cantfrag;         /* don't fragment flag was set, etc. */
232
        u_quad_t ip6s_badoptions;       /* error in option processing */
233
        u_quad_t ip6s_noroute;          /* packets discarded due to no route */
234
        u_quad_t ip6s_badvers;          /* ip6 version != 6 */
235
        u_quad_t ip6s_rawout;           /* total raw ip packets generated */
236
        u_quad_t ip6s_badscope;         /* scope error */
237
        u_quad_t ip6s_notmember;        /* don't join this multicast group */
238
        u_quad_t ip6s_nxthist[256];     /* next header history */
239
        u_quad_t ip6s_m1;               /* one mbuf */
240
        u_quad_t ip6s_m2m[32];          /* two or more mbuf */
241
        u_quad_t ip6s_mext1;            /* one ext mbuf */
242
        u_quad_t ip6s_mext2m;           /* two or more ext mbuf */
243
        u_quad_t ip6s_exthdrtoolong;    /* ext hdr are not continuous */
244
        u_quad_t ip6s_nogif;            /* no match gif found */
245
        u_quad_t ip6s_toomanyhdr;       /* discarded due to too many headers */
246
 
247
        /*
248
         * statistics for improvement of the source address selection
249
         * algorithm:
250
         * XXX: hardcoded 16 = # of ip6 multicast scope types + 1
251
         */
252
        /* number of times that address selection fails */
253
        u_quad_t ip6s_sources_none;
254
        /* number of times that an address on the outgoing I/F is chosen */
255
        u_quad_t ip6s_sources_sameif[16];
256
        /* number of times that an address on a non-outgoing I/F is chosen */
257
        u_quad_t ip6s_sources_otherif[16];
258
        /*
259
         * number of times that an address that has the same scope
260
         * from the destination is chosen.
261
         */
262
        u_quad_t ip6s_sources_samescope[16];
263
        /*
264
         * number of times that an address that has a different scope
265
         * from the destination is chosen.
266
         */
267
        u_quad_t ip6s_sources_otherscope[16];
268
        /* number of times that an deprecated address is chosen */
269
        u_quad_t ip6s_sources_deprecated[16];
270
 
271
        u_quad_t ip6s_forward_cachehit;
272
        u_quad_t ip6s_forward_cachemiss;
273
 
274
        /* number of times that each rule of source selection is applied. */
275
        u_quad_t ip6s_sources_rule[16];
276
};
277
 
278
#ifdef _KERNEL
279
/*
280
 * IPv6 onion peeling state.
281
 * it will be initialized when we come into ip6_input().
282
 * XXX do not make it a kitchen sink!
283
 */
284
struct ip6aux {
285
        u_int32_t ip6a_flags;
286
#define IP6A_SWAP       0x01            /* swapped home/care-of on packet */
287
#define IP6A_HASEEN     0x02            /* HA was present */
288
#define IP6A_BRUID      0x04            /* BR Unique Identifier was present */
289
#define IP6A_RTALERTSEEN 0x08           /* rtalert present */
290
#define IP6A_ROUTEOPTIMIZED 0x10        /* route optimized packet */
291
 
292
        /* ip6.ip6_src */
293
        struct in6_addr ip6a_careof;    /* care-of address of the peer */
294
        struct in6_addr ip6a_home;      /* home address of the peer */
295
 
296
        /* ip6.ip6_dst */
297
        struct in6_ifaddr *ip6a_dstia6; /* my ifaddr that matches ip6_dst */
298
 
299
        /* rtalert */
300
        u_int16_t ip6a_rtalert;         /* rtalert option value */
301
 
302
        /*
303
         * decapsulation history will be here.
304
         * with IPsec it may not be accurate.
305
         */
306
};
307
#endif
308
 
309
#ifdef _KERNEL
310
/* flags passed to ip6_output as last parameter */
311
#define IPV6_UNSPECSRC          0x01    /* allow :: as the source address */
312
#define IPV6_FORWARDING         0x02    /* most of IPv6 header exists */
313
#define IPV6_MINMTU             0x04    /* use minimum MTU (IPV6_USE_MIN_MTU) */
314
 
315
extern struct   ip6stat ip6stat;        /* statistics */
316
extern u_int32_t ip6_id;                /* fragment identifier */
317
extern int      ip6_defhlim;            /* default hop limit */
318
extern int      ip6_defmcasthlim;       /* default multicast hop limit */
319
extern int      ip6_forwarding;         /* act as router? */
320
extern int      ip6_forward_srcrt;      /* forward src-routed? */
321
extern int      ip6_use_deprecated;     /* allow deprecated addr as source */
322
extern int      ip6_rr_prune;           /* router renumbering prefix
323
                                         * walk list every 5 sec.    */
324
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
325
#define ip6_mapped_addr_on      (!ip6_v6only)
326
#endif
327
#if defined(__OpenBSD__) || (defined(__FreeBSD__) && __FreeBSD__ == 2) || (defined(__bsdi__) && _BSDI_VERSION < 199802)
328
extern const int        ip6_v6only;
329
#else
330
extern int      ip6_v6only;
331
#endif
332
 
333
extern struct socket *ip6_mrouter;      /* multicast routing daemon */
334
extern int      ip6_sendredirects;      /* send IP redirects when forwarding? */
335
extern int      ip6_maxfragpackets; /* Maximum packets in reassembly queue */
336
extern int      ip6_sourcecheck;        /* Verify source interface */
337
extern int      ip6_sourcecheck_interval; /* Interval between log messages */
338
extern int      ip6_accept_rtadv;       /* Acts as a host not a router */
339
extern int      ip6_keepfaith;          /* Firewall Aided Internet Translator */
340
extern int      ip6_log_interval;
341
extern time_t   ip6_log_time;
342
extern int      ip6_hdrnestlimit; /* upper limit of # of extension headers */
343
extern int      ip6_dad_count;          /* DupAddrDetectionTransmits */
344
 
345
extern u_int32_t ip6_flow_seq;
346
extern int ip6_auto_flowlabel;
347
extern int ip6_auto_linklocal;
348
 
349
extern int   ip6_anonportmin;           /* minimum ephemeral port */
350
extern int   ip6_anonportmax;           /* maximum ephemeral port */
351
extern int   ip6_lowportmin;            /* minimum reserved port */
352
extern int   ip6_lowportmax;            /* maximum reserved port */
353
 
354
extern int      ip6_use_tempaddr; /* whether to use temporary addresses. */
355
extern int      ip6_prefer_tempaddr; /* whether to prefer temporary addresses
356
                                        in the source address selection */
357
 
358
extern int      ip6_use_defzone; /* whether to use the default scope zone
359
                                    when unspecified */
360
 
361
#if !(defined(__FreeBSD__) && __FreeBSD__ >= 3)
362
struct in6pcb;
363
#endif
364
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
365
extern struct   pr_usrreqs rip6_usrreqs;
366
struct sockopt;
367
#endif
368
 
369
#if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || defined(__OpenBSD__) || (defined(__bsdi__) && _BSDI_VERSION >= 199802) /* fbsd3 || HAVE_NRL_INPCB */
370
struct inpcb;
371
#endif
372
 
373
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
374
int     icmp6_ctloutput __P((struct socket *, struct sockopt *sopt));
375
#else
376
int     icmp6_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
377
#endif
378
 
379
struct in6_ifaddr;
380
void    ip6_init __P((void));
381
void    ip6intr __P((void));
382
void    ip6_input __P((struct mbuf *));
383
struct in6_ifaddr *ip6_getdstifaddr __P((struct mbuf *));
384
void    ip6_freepcbopts __P((struct ip6_pktopts *));
385
void    ip6_freemoptions __P((struct ip6_moptions *));
386
int     ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int));
387
char *  ip6_get_prevhdr __P((struct mbuf *, int));
388
int     ip6_nexthdr __P((struct mbuf *, int, int, int *));
389
int     ip6_lasthdr __P((struct mbuf *, int, int, int *));
390
 
391
struct mbuf *ip6_addaux __P((struct mbuf *));
392
struct mbuf *ip6_findaux __P((struct mbuf *));
393
void    ip6_delaux __P((struct mbuf *));
394
 
395
int     ip6_mforward __P((struct ip6_hdr *, struct ifnet *, struct mbuf *));
396
int     ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *,
397
                                 u_int32_t *));
398
#if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || defined(__OpenBSD__) || (defined(__bsdi__) && _BSDI_VERSION >= 199802) /* fbsd3 || HAVE_NRL_INPCB */
399
void    ip6_savecontrol __P((struct inpcb *, struct ip6_hdr *, struct mbuf *,
400
                             struct ip6_recvpktopts *,
401
                             struct ip6_recvpktopts **));
402
void    ip6_notify_pmtu __P((struct inpcb *, struct sockaddr_in6 *,
403
                             u_int32_t *));
404
#else
405
void    ip6_savecontrol __P((struct in6pcb *, struct ip6_hdr *, struct mbuf *,
406
                             struct ip6_recvpktopts *,
407
                             struct ip6_recvpktopts **));
408
void    ip6_notify_pmtu __P((struct in6pcb *, struct sockaddr_in6 *,
409
                             u_int32_t *));
410
#endif
411
void    ip6_update_recvpcbopt __P((struct ip6_recvpktopts *,
412
                                   struct ip6_recvpktopts *));
413
void    ip6_reset_rcvopt __P((struct ip6_recvpktopts *, int));
414
int     ip6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
415
 
416
void    ip6_forward __P((struct mbuf *, int));
417
 
418
void    ip6_mloopback __P((struct ifnet *, struct mbuf *, struct sockaddr_in6 *));
419
#if defined(NEW_STRUCT_ROUTE) || defined(__NetBSD__) || defined(__OpenBSD__)  || defined(__FreeBSD__)
420
int     ip6_output __P((struct mbuf *, struct ip6_pktopts *,
421
                        struct route *,
422
                        int,
423
                        struct ip6_moptions *, struct ifnet **));
424
#else
425
int     ip6_output __P((struct mbuf *, struct ip6_pktopts *,
426
                        struct route_in6 *,
427
                        int,
428
                        struct ip6_moptions *, struct ifnet **));
429
#endif
430
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
431
int     ip6_ctloutput __P((struct socket *, struct sockopt *sopt));
432
#else
433
int     ip6_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
434
#endif
435
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
436
int     ip6_raw_ctloutput __P((struct socket *, struct sockopt *sopt));
437
#else
438
int     ip6_raw_ctloutput __P((int, struct socket *, int, int,
439
                               struct mbuf **));
440
#endif
441
void    init_ip6pktopts __P((struct ip6_pktopts *));
442
int     ip6_setpktoptions __P((struct mbuf *, struct ip6_pktopts *, struct ip6_pktopts *, int, int));
443
void    ip6_clearpktopts __P((struct ip6_pktopts *, int));
444
struct ip6_pktopts *ip6_copypktopts __P((struct ip6_pktopts *, int));
445
#if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || defined(__OpenBSD__) || (defined(__bsdi__) && _BSDI_VERSION >= 199802) /* fbsd3 || HAVE_NRL_INPCB */
446
int     ip6_optlen __P((struct inpcb *));
447
#else
448
int     ip6_optlen __P((struct in6pcb *));
449
#endif
450
 
451
int     route6_input __P((struct mbuf **, int *, int));
452
 
453
void    frag6_init __P((void));
454
int     frag6_input __P((struct mbuf **, int *, int));
455
void    frag6_slowtimo __P((void));
456
void    frag6_drain __P((void));
457
 
458
void    rip6_init __P((void));
459
int     rip6_input __P((struct mbuf **mp, int *offp, int proto));
460
void    rip6_ctlinput __P((int, struct sockaddr *, void *));
461
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
462
int     rip6_ctloutput __P((struct socket *so, struct sockopt *sopt));
463
#else
464
int     rip6_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
465
#endif
466
#if (defined(__FreeBSD__) && __FreeBSD__ >= 4)
467
int     rip6_output __P((struct mbuf *, struct socket *,
468
                         struct sockaddr_in6 *, struct mbuf *));
469
#else
470
int     rip6_output __P((struct mbuf *, ...));
471
#endif /* (defined(__FreeBSD__) && __FreeBSD__ >= 4) */
472
int     rip6_usrreq __P((struct socket *,
473
            int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *));
474
 
475
int     dest6_input __P((struct mbuf **, int *, int));
476
int     none_input __P((struct mbuf **, int *, int));
477
#endif /* _KERNEL */
478
 
479
#endif /* !_NETINET6_IP6_VAR_H_ */

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