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//==========================================================================
2
//
3
//      include/netinet/in.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
/*
23
 * Copyright (c) 1982, 1986, 1990, 1993
24
 *      The Regents of the University of California.  All rights reserved.
25
 *
26
 * Redistribution and use in source and binary forms, with or without
27
 * modification, are permitted provided that the following conditions
28
 * are met:
29
 * 1. Redistributions of source code must retain the above copyright
30
 *    notice, this list of conditions and the following disclaimer.
31
 * 2. Redistributions in binary form must reproduce the above copyright
32
 *    notice, this list of conditions and the following disclaimer in the
33
 *    documentation and/or other materials provided with the distribution.
34
 * 3. All advertising materials mentioning features or use of this software
35
 *    must display the following acknowledgement:
36
 *      This product includes software developed by the University of
37
 *      California, Berkeley and its contributors.
38
 * 4. Neither the name of the University nor the names of its contributors
39
 *    may be used to endorse or promote products derived from this software
40
 *    without specific prior written permission.
41
 *
42
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52
 * SUCH DAMAGE.
53
 *
54
 *      @(#)in.h        8.3 (Berkeley) 1/3/94
55
 * $FreeBSD: src/sys/netinet/in.h,v 1.48.2.2 2001/04/21 14:53:06 ume Exp $
56
 */
57
 
58
#ifndef _NETINET_IN_H_
59
#define _NETINET_IN_H_
60
 
61
/*
62
 * Constants and structures defined by the internet system,
63
 * Per RFC 790, September 1981, and numerous additions.
64
 */
65
 
66
/*
67
 * Protocols (RFC 1700)
68
 */
69
#define IPPROTO_IP              0                /* dummy for IP */
70
#define IPPROTO_HOPOPTS         0                /* IP6 hop-by-hop options */
71
#define IPPROTO_ICMP            1               /* control message protocol */
72
#define IPPROTO_IGMP            2               /* group mgmt protocol */
73
#define IPPROTO_GGP             3               /* gateway^2 (deprecated) */
74
#define IPPROTO_IPV4            4               /* IPv4 encapsulation */
75
#define IPPROTO_IPIP            IPPROTO_IPV4    /* for compatibility */
76
#define IPPROTO_TCP             6               /* tcp */
77
#define IPPROTO_ST              7               /* Stream protocol II */
78
#define IPPROTO_EGP             8               /* exterior gateway protocol */
79
#define IPPROTO_PIGP            9               /* private interior gateway */
80
#define IPPROTO_RCCMON          10              /* BBN RCC Monitoring */
81
#define IPPROTO_NVPII           11              /* network voice protocol*/
82
#define IPPROTO_PUP             12              /* pup */
83
#define IPPROTO_ARGUS           13              /* Argus */
84
#define IPPROTO_EMCON           14              /* EMCON */
85
#define IPPROTO_XNET            15              /* Cross Net Debugger */
86
#define IPPROTO_CHAOS           16              /* Chaos*/
87
#define IPPROTO_UDP             17              /* user datagram protocol */
88
#define IPPROTO_MUX             18              /* Multiplexing */
89
#define IPPROTO_MEAS            19              /* DCN Measurement Subsystems */
90
#define IPPROTO_HMP             20              /* Host Monitoring */
91
#define IPPROTO_PRM             21              /* Packet Radio Measurement */
92
#define IPPROTO_IDP             22              /* xns idp */
93
#define IPPROTO_TRUNK1          23              /* Trunk-1 */
94
#define IPPROTO_TRUNK2          24              /* Trunk-2 */
95
#define IPPROTO_LEAF1           25              /* Leaf-1 */
96
#define IPPROTO_LEAF2           26              /* Leaf-2 */
97
#define IPPROTO_RDP             27              /* Reliable Data */
98
#define IPPROTO_IRTP            28              /* Reliable Transaction */
99
#define IPPROTO_TP              29              /* tp-4 w/ class negotiation */
100
#define IPPROTO_BLT             30              /* Bulk Data Transfer */
101
#define IPPROTO_NSP             31              /* Network Services */
102
#define IPPROTO_INP             32              /* Merit Internodal */
103
#define IPPROTO_SEP             33              /* Sequential Exchange */
104
#define IPPROTO_3PC             34              /* Third Party Connect */
105
#define IPPROTO_IDPR            35              /* InterDomain Policy Routing */
106
#define IPPROTO_XTP             36              /* XTP */
107
#define IPPROTO_DDP             37              /* Datagram Delivery */
108
#define IPPROTO_CMTP            38              /* Control Message Transport */
109
#define IPPROTO_TPXX            39              /* TP++ Transport */
110
#define IPPROTO_IL              40              /* IL transport protocol */
111
#define IPPROTO_IPV6            41              /* IP6 header */
112
#define IPPROTO_SDRP            42              /* Source Demand Routing */
113
#define IPPROTO_ROUTING         43              /* IP6 routing header */
114
#define IPPROTO_FRAGMENT        44              /* IP6 fragmentation header */
115
#define IPPROTO_IDRP            45              /* InterDomain Routing*/
116
#define IPPROTO_RSVP            46              /* resource reservation */
117
#define IPPROTO_GRE             47              /* General Routing Encap. */
118
#define IPPROTO_MHRP            48              /* Mobile Host Routing */
119
#define IPPROTO_BHA             49              /* BHA */
120
#define IPPROTO_ESP             50              /* IP6 Encap Sec. Payload */
121
#define IPPROTO_AH              51              /* IP6 Auth Header */
122
#define IPPROTO_INLSP           52              /* Integ. Net Layer Security */
123
#define IPPROTO_SWIPE           53              /* IP with encryption */
124
#define IPPROTO_NHRP            54              /* Next Hop Resolution */
125
/* 55-57: Unassigned */
126
#define IPPROTO_ICMPV6          58              /* ICMP6 */
127
#define IPPROTO_NONE            59              /* IP6 no next header */
128
#define IPPROTO_DSTOPTS         60              /* IP6 destination option */
129
#define IPPROTO_AHIP            61              /* any host internal protocol */
130
#define IPPROTO_CFTP            62              /* CFTP */
131
#define IPPROTO_HELLO           63              /* "hello" routing protocol */
132
#define IPPROTO_SATEXPAK        64              /* SATNET/Backroom EXPAK */
133
#define IPPROTO_KRYPTOLAN       65              /* Kryptolan */
134
#define IPPROTO_RVD             66              /* Remote Virtual Disk */
135
#define IPPROTO_IPPC            67              /* Pluribus Packet Core */
136
#define IPPROTO_ADFS            68              /* Any distributed FS */
137
#define IPPROTO_SATMON          69              /* Satnet Monitoring */
138
#define IPPROTO_VISA            70              /* VISA Protocol */
139
#define IPPROTO_IPCV            71              /* Packet Core Utility */
140
#define IPPROTO_CPNX            72              /* Comp. Prot. Net. Executive */
141
#define IPPROTO_CPHB            73              /* Comp. Prot. HeartBeat */
142
#define IPPROTO_WSN             74              /* Wang Span Network */
143
#define IPPROTO_PVP             75              /* Packet Video Protocol */
144
#define IPPROTO_BRSATMON        76              /* BackRoom SATNET Monitoring */
145
#define IPPROTO_ND              77              /* Sun net disk proto (temp.) */
146
#define IPPROTO_WBMON           78              /* WIDEBAND Monitoring */
147
#define IPPROTO_WBEXPAK         79              /* WIDEBAND EXPAK */
148
#define IPPROTO_EON             80              /* ISO cnlp */
149
#define IPPROTO_VMTP            81              /* VMTP */
150
#define IPPROTO_SVMTP           82              /* Secure VMTP */
151
#define IPPROTO_VINES           83              /* Banyon VINES */
152
#define IPPROTO_TTP             84              /* TTP */
153
#define IPPROTO_IGP             85              /* NSFNET-IGP */
154
#define IPPROTO_DGP             86              /* dissimilar gateway prot. */
155
#define IPPROTO_TCF             87              /* TCF */
156
#define IPPROTO_IGRP            88              /* Cisco/GXS IGRP */
157
#define IPPROTO_OSPFIGP         89              /* OSPFIGP */
158
#define IPPROTO_SRPC            90              /* Strite RPC protocol */
159
#define IPPROTO_LARP            91              /* Locus Address Resoloution */
160
#define IPPROTO_MTP             92              /* Multicast Transport */
161
#define IPPROTO_AX25            93              /* AX.25 Frames */
162
#define IPPROTO_IPEIP           94              /* IP encapsulated in IP */
163
#define IPPROTO_MICP            95              /* Mobile Int.ing control */
164
#define IPPROTO_SCCSP           96              /* Semaphore Comm. security */
165
#define IPPROTO_ETHERIP         97              /* Ethernet IP encapsulation */
166
#define IPPROTO_ENCAP           98              /* encapsulation header */
167
#define IPPROTO_APES            99              /* any private encr. scheme */
168
#define IPPROTO_GMTP            100             /* GMTP*/
169
#define IPPROTO_IPCOMP          108             /* payload compression (IPComp) */
170
#define IPPROTO_PIM             103             /* Protocol Independent Mcast */
171
#define IPPROTO_PGM             113             /* PGM */
172
#define IPPROTO_SCTP            132             /* SCTP (RFC2960) */
173
/* 134-254: Partly Unassigned */
174
/* 255: Reserved */
175
/* BSD Private, local use, namespace incursion */
176
#define IPPROTO_DIVERT          254             /* divert pseudo-protocol */
177
#define IPPROTO_RAW             255             /* raw IP packet */
178
#define IPPROTO_MAX             256
179
 
180
/* last return value of *_input(), meaning "all job for this pkt is done".  */
181
#define IPPROTO_DONE            257
182
 
183
/*
184
 * Local port number conventions:
185
 *
186
 * When a user does a bind(2) or connect(2) with a port number of zero,
187
 * a non-conflicting local port address is chosen.
188
 * The default range is IPPORT_RESERVED through
189
 * IPPORT_USERRESERVED, although that is settable by sysctl.
190
 *
191
 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
192
 * default assignment range.
193
 *
194
 * The value IP_PORTRANGE_DEFAULT causes the default behavior.
195
 *
196
 * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers
197
 * into the "high" range.  These are reserved for client outbound connections
198
 * which do not want to be filtered by any firewalls.
199
 *
200
 * The value IP_PORTRANGE_LOW changes the range to the "low" are
201
 * that is (by convention) restricted to privileged processes.  This
202
 * convention is based on "vouchsafe" principles only.  It is only secure
203
 * if you trust the remote host to restrict these ports.
204
 *
205
 * The default range of ports and the high range can be changed by
206
 * sysctl(3).  (net.inet.ip.port{hi,low}{first,last}_auto)
207
 *
208
 * Changing those values has bad security implications if you are
209
 * using a a stateless firewall that is allowing packets outside of that
210
 * range in order to allow transparent outgoing connections.
211
 *
212
 * Such a firewall configuration will generally depend on the use of these
213
 * default values.  If you change them, you may find your Security
214
 * Administrator looking for you with a heavy object.
215
 *
216
 * For a slightly more orthodox text view on this:
217
 *
218
 *            ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
219
 *
220
 *    port numbers are divided into three ranges:
221
 *
222
 *                0 -  1023 Well Known Ports
223
 *             1024 - 49151 Registered Ports
224
 *            49152 - 65535 Dynamic and/or Private Ports
225
 *
226
 */
227
 
228
/*
229
 * Ports < IPPORT_RESERVED are reserved for
230
 * privileged processes (e.g. root).         (IP_PORTRANGE_LOW)
231
 * Ports > IPPORT_USERRESERVED are reserved
232
 * for servers, not necessarily privileged.  (IP_PORTRANGE_DEFAULT)
233
 */
234
#define IPPORT_RESERVED         1024
235
#define IPPORT_USERRESERVED     5000
236
 
237
/*
238
 * Default local port range to use by setting IP_PORTRANGE_HIGH
239
 */
240
#define IPPORT_HIFIRSTAUTO      49152
241
#define IPPORT_HILASTAUTO       65535
242
 
243
/*
244
 * Scanning for a free reserved port return a value below IPPORT_RESERVED,
245
 * but higher than IPPORT_RESERVEDSTART.  Traditionally the start value was
246
 * 512, but that conflicts with some well-known-services that firewalls may
247
 * have a fit if we use.
248
 */
249
#define IPPORT_RESERVEDSTART    600
250
 
251
/*
252
 * Internet address (a structure for historical reasons)
253
 */
254
struct in_addr {
255
        in_addr_t s_addr;
256
};
257
 
258
/*
259
 * Definitions of bits in internet address integers.
260
 * On subnets, the decomposition of addresses to host and net parts
261
 * is done according to subnet mask, not the masks here.
262
 */
263
#define IN_CLASSA(i)            (((u_int32_t)(i) & 0x80000000) == 0)
264
#define IN_CLASSA_NET           0xff000000
265
#define IN_CLASSA_NSHIFT        24
266
#define IN_CLASSA_HOST          0x00ffffff
267
#define IN_CLASSA_MAX           128
268
 
269
#define IN_CLASSB(i)            (((u_int32_t)(i) & 0xc0000000) == 0x80000000)
270
#define IN_CLASSB_NET           0xffff0000
271
#define IN_CLASSB_NSHIFT        16
272
#define IN_CLASSB_HOST          0x0000ffff
273
#define IN_CLASSB_MAX           65536
274
 
275
#define IN_CLASSC(i)            (((u_int32_t)(i) & 0xe0000000) == 0xc0000000)
276
#define IN_CLASSC_NET           0xffffff00
277
#define IN_CLASSC_NSHIFT        8
278
#define IN_CLASSC_HOST          0x000000ff
279
 
280
#define IN_CLASSD(i)            (((u_int32_t)(i) & 0xf0000000) == 0xe0000000)
281
#define IN_CLASSD_NET           0xf0000000      /* These ones aren't really */
282
#define IN_CLASSD_NSHIFT        28              /* net and host fields, but */
283
#define IN_CLASSD_HOST          0x0fffffff      /* routing needn't know.    */
284
#define IN_MULTICAST(i)         IN_CLASSD(i)
285
 
286
#define IN_EXPERIMENTAL(i)      (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
287
#define IN_BADCLASS(i)          (((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
288
 
289
#define INADDR_ANY              (u_int32_t)0x00000000
290
#define INADDR_LOOPBACK         (u_int32_t)0x7f000001
291
#define INADDR_BROADCAST        (u_int32_t)0xffffffff   /* must be masked */
292
#define INADDR_NONE             0xffffffff              /* -1 return */
293
 
294
#define INADDR_UNSPEC_GROUP     (u_int32_t)0xe0000000   /* 224.0.0.0 */
295
#define INADDR_ALLHOSTS_GROUP   (u_int32_t)0xe0000001   /* 224.0.0.1 */
296
#define INADDR_ALLRTRS_GROUP    (u_int32_t)0xe0000002   /* 224.0.0.2 */
297
#define INADDR_MAX_LOCAL_GROUP  (u_int32_t)0xe00000ff   /* 224.0.0.255 */
298
 
299
#define IN_LOOPBACKNET          127                     /* official! */
300
 
301
/*
302
 * Socket address, internet style.
303
 */
304
struct sockaddr_in {
305
        u_char  sin_len;
306
        u_char  sin_family;
307
        u_short sin_port;
308
        struct  in_addr sin_addr;
309
        char    sin_zero[8];
310
};
311
 
312
#define INET_ADDRSTRLEN                 16
313
 
314
/*
315
 * Structure used to describe IP options.
316
 * Used to store options internally, to pass them to a process,
317
 * or to restore options retrieved earlier.
318
 * The ip_dst is used for the first-hop gateway when using a source route
319
 * (this gets put into the header proper).
320
 */
321
struct ip_opts {
322
        struct  in_addr ip_dst;         /* first hop, 0 w/o src rt */
323
#if defined(__cplusplus)
324
        int8_t          Ip_opts[40];    /* cannot have same name as class */
325
#else
326
        int8_t          ip_opts[40];    /* actually variable in size */
327
#endif
328
};
329
 
330
/*
331
 * Options for use with [gs]etsockopt at the IP level.
332
 * First word of comment is data type; bool is stored in int.
333
 */
334
#define IP_OPTIONS              1    /* buf/ip_opts; set/get IP options */
335
#define IP_HDRINCL              2    /* int; header is included with data */
336
#define IP_TOS                  3    /* int; IP type of service and preced. */
337
#define IP_TTL                  4    /* int; IP time to live */
338
#define IP_RECVOPTS             5    /* bool; receive all IP opts w/dgram */
339
#define IP_RECVRETOPTS          6    /* bool; receive IP opts for response */
340
#define IP_RECVDSTADDR          7    /* bool; receive IP dst addr w/dgram */
341
#define IP_RETOPTS              8    /* ip_opts; set/get IP options */
342
#define IP_MULTICAST_IF         9    /* u_char; set/get IP multicast i/f  */
343
#define IP_MULTICAST_TTL        10   /* u_char; set/get IP multicast ttl */
344
#define IP_MULTICAST_LOOP       11   /* u_char; set/get IP multicast loopback */
345
#define IP_ADD_MEMBERSHIP       12   /* ip_mreq; add an IP group membership */
346
#define IP_DROP_MEMBERSHIP      13   /* ip_mreq; drop an IP group membership */
347
#define IP_MULTICAST_VIF        14   /* set/get IP mcast virt. iface */
348
#define IP_RSVP_ON              15   /* enable RSVP in kernel */
349
#define IP_RSVP_OFF             16   /* disable RSVP in kernel */
350
#define IP_RSVP_VIF_ON          17   /* set RSVP per-vif socket */
351
#define IP_RSVP_VIF_OFF         18   /* unset RSVP per-vif socket */
352
#define IP_PORTRANGE            19   /* int; range to choose for unspec port */
353
#define IP_RECVIF               20   /* bool; receive reception if w/dgram */
354
/* for IPSEC */
355
#define IP_IPSEC_POLICY         21   /* int; set/get security policy */
356
#define IP_FAITH                22   /* bool; accept FAITH'ed connections */
357
 
358
#define IP_FW_ADD               50   /* add a firewall rule to chain */
359
#define IP_FW_DEL               51   /* delete a firewall rule from chain */
360
#define IP_FW_FLUSH             52   /* flush firewall rule chain */
361
#define IP_FW_ZERO              53   /* clear single/all firewall counter(s) */
362
#define IP_FW_GET               54   /* get entire firewall rule chain */
363
#define IP_FW_RESETLOG          55   /* reset logging counters */
364
 
365
#define IP_DUMMYNET_CONFIGURE   60   /* add/configure a dummynet pipe */
366
#define IP_DUMMYNET_DEL         61   /* delete a dummynet pipe from chain */
367
#define IP_DUMMYNET_FLUSH       62   /* flush dummynet */
368
#define IP_DUMMYNET_GET         64   /* get entire dummynet pipes */
369
 
370
/*
371
 * Defaults and limits for options
372
 */
373
#define IP_DEFAULT_MULTICAST_TTL  1     /* normally limit m'casts to 1 hop  */
374
#define IP_DEFAULT_MULTICAST_LOOP 1     /* normally hear sends if a member  */
375
#define IP_MAX_MEMBERSHIPS      20      /* per socket */
376
 
377
/*
378
 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
379
 */
380
struct ip_mreq {
381
        struct  in_addr imr_multiaddr;  /* IP multicast address of group */
382
        struct  in_addr imr_interface;  /* local IP address of interface */
383
};
384
 
385
/*
386
 * Argument for IP_PORTRANGE:
387
 * - which range to search when port is unspecified at bind() or connect()
388
 */
389
#define IP_PORTRANGE_DEFAULT    0        /* default range */
390
#define IP_PORTRANGE_HIGH       1       /* "high" - request firewall bypass */
391
#define IP_PORTRANGE_LOW        2       /* "low" - vouchsafe security */
392
 
393
/*
394
 * Definitions for inet sysctl operations.
395
 *
396
 * Third level is protocol number.
397
 * Fourth level is desired variable within that protocol.
398
 */
399
#define IPPROTO_MAXID   (IPPROTO_AH + 1)        /* don't list to IPPROTO_MAX */
400
 
401
#define CTL_IPPROTO_NAMES { \
402
        { "ip", CTLTYPE_NODE }, \
403
        { "icmp", CTLTYPE_NODE }, \
404
        { "igmp", CTLTYPE_NODE }, \
405
        { "ggp", CTLTYPE_NODE }, \
406
        { 0, 0 }, \
407
        { 0, 0 }, \
408
        { "tcp", CTLTYPE_NODE }, \
409
        { 0, 0 }, \
410
        { "egp", CTLTYPE_NODE }, \
411
        { 0, 0 }, \
412
        { 0, 0 }, \
413
        { 0, 0 }, \
414
        { "pup", CTLTYPE_NODE }, \
415
        { 0, 0 }, \
416
        { 0, 0 }, \
417
        { 0, 0 }, \
418
        { 0, 0 }, \
419
        { "udp", CTLTYPE_NODE }, \
420
        { 0, 0 }, \
421
        { 0, 0 }, \
422
        { 0, 0 }, \
423
        { 0, 0 }, \
424
        { "idp", CTLTYPE_NODE }, \
425
        { 0, 0 }, \
426
        { 0, 0 }, \
427
        { 0, 0 }, \
428
        { 0, 0 }, \
429
        { 0, 0 }, \
430
        { 0, 0 }, \
431
        { 0, 0 }, \
432
        { 0, 0 }, \
433
        { 0, 0 }, \
434
        { 0, 0 }, \
435
        { 0, 0 }, \
436
        { 0, 0 }, \
437
        { 0, 0 }, \
438
        { 0, 0 }, \
439
        { 0, 0 }, \
440
        { 0, 0 }, \
441
        { 0, 0 }, \
442
        { 0, 0 }, \
443
        { 0, 0 }, \
444
        { 0, 0 }, \
445
        { 0, 0 }, \
446
        { 0, 0 }, \
447
        { 0, 0 }, \
448
        { 0, 0 }, \
449
        { 0, 0 }, \
450
        { 0, 0 }, \
451
        { 0, 0 }, \
452
        { 0, 0 }, \
453
        { "ipsec", CTLTYPE_NODE }, \
454
}
455
 
456
/*
457
 * Names for IP sysctl objects
458
 */
459
#define IPCTL_FORWARDING        1       /* act as router */
460
#define IPCTL_SENDREDIRECTS     2       /* may send redirects when forwarding */
461
#define IPCTL_DEFTTL            3       /* default TTL */
462
#ifdef notyet
463
#define IPCTL_DEFMTU            4       /* default MTU */
464
#endif
465
#define IPCTL_RTEXPIRE          5       /* cloned route expiration time */
466
#define IPCTL_RTMINEXPIRE       6       /* min value for expiration time */
467
#define IPCTL_RTMAXCACHE        7       /* trigger level for dynamic expire */
468
#define IPCTL_SOURCEROUTE       8       /* may perform source routes */
469
#define IPCTL_DIRECTEDBROADCAST 9       /* may re-broadcast received packets */
470
#define IPCTL_INTRQMAXLEN       10      /* max length of netisr queue */
471
#define IPCTL_INTRQDROPS        11      /* number of netisr q drops */
472
#define IPCTL_STATS             12      /* ipstat structure */
473
#define IPCTL_ACCEPTSOURCEROUTE 13      /* may accept source routed packets */
474
#define IPCTL_FASTFORWARDING    14      /* use fast IP forwarding code */
475
#define IPCTL_KEEPFAITH         15      /* FAITH IPv4->IPv6 translater ctl */
476
#define IPCTL_GIF_TTL           16      /* default TTL for gif encap packet */
477
#define IPCTL_MAXID             17
478
 
479
#define IPCTL_NAMES { \
480
        { 0, 0 }, \
481
        { "forwarding", CTLTYPE_INT }, \
482
        { "redirect", CTLTYPE_INT }, \
483
        { "ttl", CTLTYPE_INT }, \
484
        { "mtu", CTLTYPE_INT }, \
485
        { "rtexpire", CTLTYPE_INT }, \
486
        { "rtminexpire", CTLTYPE_INT }, \
487
        { "rtmaxcache", CTLTYPE_INT }, \
488
        { "sourceroute", CTLTYPE_INT }, \
489
        { "directed-broadcast", CTLTYPE_INT }, \
490
        { "intr-queue-maxlen", CTLTYPE_INT }, \
491
        { "intr-queue-drops", CTLTYPE_INT }, \
492
        { "stats", CTLTYPE_STRUCT }, \
493
        { "accept_sourceroute", CTLTYPE_INT }, \
494
        { "fastforwarding", CTLTYPE_INT }, \
495
}
496
 
497
#ifdef _KERNEL
498
struct ifnet; struct mbuf;      /* forward declarations for Standard C */
499
#endif
500
 
501
/* INET6 stuff */
502
#define __KAME_NETINET_IN_H_INCLUDED_
503
#include <netinet6/in6.h>
504
#undef __KAME_NETINET_IN_H_INCLUDED_
505
 
506
#ifdef _KERNEL
507
 
508
int      in_broadcast __P((struct in_addr, struct ifnet *));
509
int      in_canforward __P((struct in_addr));
510
int      in_cksum __P((struct mbuf *, int));
511
int      in_localaddr __P((struct in_addr));
512
char    *inet_ntoa __P((struct in_addr));
513
 
514
#endif
515
 
516
#endif

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