Watt-32 tcp/ip  2.2 dev-rel.10
if_atm.h
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1 
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/pack_on.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!] */
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/pack_off.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
Definition: if_atm.h:96