Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / net / if_atm.h
CommitLineData
984263bc
MD
1/* $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $ */
2/* $FreeBSD: src/sys/net/if_atm.h,v 1.4 1999/12/29 04:38:34 peter Exp $ */
3
4/*
5 *
6 * Copyright (c) 1996 Charles D. Cranor and Washington University.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Charles D. Cranor and
20 * Washington University.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36/*
37 * net/if_atm.h
38 */
39
40#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
41#define RTALLOC1(A,B) rtalloc1((A),(B))
42#elif defined(__FreeBSD__)
43#define RTALLOC1(A,B) rtalloc1((A),(B),0UL)
44#endif
45
46/*
47 * pseudo header for packet transmission
48 */
49struct atm_pseudohdr {
50 u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
51};
52
53#define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
54#define ATM_PH_VPI(X) ((X)->atm_ph[1])
55#define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
56#define ATM_PH_SETVCI(X,V) { \
57 (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
58 (X)->atm_ph[3] = ((V) & 0xff); \
59}
60
61#define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */
62#define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */
63
64#define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
65#define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
66
67#define ATMMTU 9180 /* ATM MTU size for IP */
68 /* XXX: could be 9188 with LLC/SNAP according
69 to comer */
70
71/* user's ioctl hook for raw atm mode */
72#define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
73
74/* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
75struct atm_pseudoioctl {
76 struct atm_pseudohdr aph;
77 void *rxhand;
78};
79#define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
80#define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
81
82
83/*
84 * XXX forget all the garbage in if_llc.h and do it the easy way
85 */
86
87#define ATMLLC_HDR "\252\252\3\0\0\0"
88struct atmllc {
89 u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */
90 u_int8_t type[2]; /* "ethernet" type */
91};
92
93/* ATM_LLC macros: note type code in host byte order */
94#define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
95#define ATM_LLC_SETTYPE(X,V) { \
96 (X)->type[1] = ((V) >> 8) & 0xff; \
97 (X)->type[0] = ((V) & 0xff); \
98}
99
100#ifdef _KERNEL
101void atm_ifattach __P((struct ifnet *));
102void atm_input __P((struct ifnet *, struct atm_pseudohdr *,
103 struct mbuf *, void *));
104int atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
105 struct rtentry *));
106#endif
107