Subversion Repositories SvarDOS

Rev

Rev 616 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
207 mateuszvis 1
/*!\file net/if_atm.h
2
 * ATM definitions.
3
 */
4
 
5
/*      $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $       */
6
 
7
/*
8
 *
9
 * Copyright (c) 1996 Charles D. Cranor and Washington University.
10
 * All rights reserved.
11
 *
12
 * Redistribution and use in source and binary forms, with or without
13
 * modification, are permitted provided that the following conditions
14
 * are met:
15
 * 1. Redistributions of source code must retain the above copyright
16
 *    notice, this list of conditions and the following disclaimer.
17
 * 2. Redistributions in binary form must reproduce the above copyright
18
 *    notice, this list of conditions and the following disclaimer in the
19
 *    documentation and/or other materials provided with the distribution.
20
 * 3. All advertising materials mentioning features or use of this software
21
 *    must display the following acknowledgement:
22
 *      This product includes software developed by Charles D. Cranor and
23
 *	Washington University.
24
 * 4. The name of the author may not be used to endorse or promote products
25
 *    derived from this software without specific prior written permission.
26
 *
27
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
28
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
29
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
31
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
32
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
36
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37
 */
38
 
39
/*
40
 * net/if_atm.h
41
 */
42
 
43
#ifndef __NET_IF_ATM_H
44
#define __NET_IF_ATM_H
45
 
46
#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
47
#define RTALLOC1(A,B)		rtalloc1((A),(B))
48
#elif defined(__FreeBSD__)
49
#define RTALLOC1(A,B)		rtalloc1((A),(B),0UL)
50
#endif
51
 
52
#include <sys/packon.h>
53
 
54
/*
55
 * pseudo header for packet transmission
56
 */
57
 
58
struct atm_pseudohdr {
59
  u_int8_t atm_ph[4];	/* flags+VPI+VCI1(msb)+VCI2(lsb) */
60
};
61
 
62
#define ATM_PH_FLAGS(X)	((X)->atm_ph[0])
63
#define ATM_PH_VPI(X)	((X)->atm_ph[1])
64
#define ATM_PH_VCI(X)	((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
65
#define ATM_PH_SETVCI(X,V) { \
66
	(X)->atm_ph[2] = ((V) >> 8) & 0xff; \
67
	(X)->atm_ph[3] = ((V) & 0xff); \
68
}
69
 
70
#define ATM_PH_AAL5    0x01	/* use AAL5? (0 == aal0) */
71
#define ATM_PH_LLCSNAP 0x02	/* use the LLC SNAP encoding (iff aal5) */
72
 
73
#define ATM_PH_DRIVER7  0x40	/* reserve for driver's use */
74
#define ATM_PH_DRIVER8  0x80	/* reserve for driver's use */
75
 
76
#define ATMMTU		9180	/* ATM MTU size for IP */
77
				/* XXX: could be 9188 with LLC/SNAP according
78
					to comer */
79
 
80
/* user's ioctl hook for raw atm mode */
81
#define SIOCRAWATM	_IOWR('a', 122, int)	/* set driver's raw mode */
82
 
83
/* atm_pseudoioctl: turns on and off RX VCIs  [for internal use only!] */
84
struct atm_pseudoioctl {
85
  struct atm_pseudohdr aph;
86
  void *rxhand;
87
};
88
#define SIOCATMENA	_IOWR('a', 123, struct atm_pseudoioctl) /* enable */
89
#define SIOCATMDIS	_IOWR('a', 124, struct atm_pseudoioctl) /* disable */
90
 
91
/*
92
 * XXX forget all the garbage in if_llc.h and do it the easy way
93
 */
94
 
95
#define ATMLLC_HDR "\252\252\3\0\0\0"
96
struct atmllc {
97
  u_int8_t llchdr[6];	/* aa.aa.03.00.00.00 */
98
  u_int8_t type[2];	/* "ethernet" type */
99
};
100
 
101
#include <sys/packoff.h>
102
 
103
/* ATM_LLC macros: note type code in host byte order */
104
#define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
105
#define ATM_LLC_SETTYPE(X,V) { \
106
	(X)->type[1] = ((V) >> 8) & 0xff; \
107
	(X)->type[0] = ((V) & 0xff); \
108
}
109
 
110
#endif