__P() removal
[dragonfly.git] / sys / net / if_atm.h
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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 $ */
158abb01 3/* $DragonFly: src/sys/net/if_atm.h,v 1.3 2003/08/26 20:49:47 rob Exp $ */
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4
5/*
6 *
7 * Copyright (c) 1996 Charles D. Cranor and Washington University.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Charles D. Cranor and
21 * Washington University.
22 * 4. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37/*
38 * net/if_atm.h
39 */
40
41#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
42#define RTALLOC1(A,B) rtalloc1((A),(B))
43#elif defined(__FreeBSD__)
44#define RTALLOC1(A,B) rtalloc1((A),(B),0UL)
45#endif
46
47/*
48 * pseudo header for packet transmission
49 */
50struct atm_pseudohdr {
51 u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
52};
53
54#define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
55#define ATM_PH_VPI(X) ((X)->atm_ph[1])
56#define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
57#define ATM_PH_SETVCI(X,V) { \
58 (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
59 (X)->atm_ph[3] = ((V) & 0xff); \
60}
61
62#define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */
63#define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */
64
65#define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
66#define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
67
68#define ATMMTU 9180 /* ATM MTU size for IP */
69 /* XXX: could be 9188 with LLC/SNAP according
70 to comer */
71
72/* user's ioctl hook for raw atm mode */
73#define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
74
75/* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
76struct atm_pseudoioctl {
77 struct atm_pseudohdr aph;
78 void *rxhand;
79};
80#define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
81#define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
82
83
84/*
85 * XXX forget all the garbage in if_llc.h and do it the easy way
86 */
87
88#define ATMLLC_HDR "\252\252\3\0\0\0"
89struct atmllc {
90 u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */
91 u_int8_t type[2]; /* "ethernet" type */
92};
93
94/* ATM_LLC macros: note type code in host byte order */
95#define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
96#define ATM_LLC_SETTYPE(X,V) { \
97 (X)->type[1] = ((V) >> 8) & 0xff; \
98 (X)->type[0] = ((V) & 0xff); \
99}
100
101#ifdef _KERNEL
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102void atm_ifattach (struct ifnet *);
103void atm_input (struct ifnet *, struct atm_pseudohdr *,
104 struct mbuf *, void *);
105int atm_output (struct ifnet *, struct mbuf *, struct sockaddr *,
106 struct rtentry *);
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107#endif
108