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 /* $DragonFly: src/sys/net/if_atm.h,v 1.6 2005/01/06 17:59:32 hsu Exp $ */
7 * Copyright (c) 1996 Charles D. Cranor and Washington University.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
41 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
42 #define RTALLOC1(A,B) rtalloc1((A), (B))
43 #elif defined(__DragonFly__)
44 #define RTALLOC1(A,B) _rtlookup((A), (B), (B) ? RTL_DOCLONE : RTL_DONTCLONE)
45 #elif defined(__FreeBSD__)
46 #define RTALLOC1(A,B) rtalloc1((A), (B), 0UL)
50 * pseudo header for packet transmission
52 struct atm_pseudohdr {
53 u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
56 #define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
57 #define ATM_PH_VPI(X) ((X)->atm_ph[1])
58 #define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
59 #define ATM_PH_SETVCI(X,V) { \
60 (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
61 (X)->atm_ph[3] = ((V) & 0xff); \
64 #define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */
65 #define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */
67 #define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
68 #define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
70 #define ATMMTU 9180 /* ATM MTU size for IP */
71 /* XXX: could be 9188 with LLC/SNAP according
74 /* user's ioctl hook for raw atm mode */
75 #define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
77 /* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
78 struct atm_pseudoioctl {
79 struct atm_pseudohdr aph;
82 #define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
83 #define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
87 * XXX forget all the garbage in if_llc.h and do it the easy way
90 #define ATMLLC_HDR "\252\252\3\0\0\0"
92 u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */
93 u_int8_t type[2]; /* "ethernet" type */
96 /* ATM_LLC macros: note type code in host byte order */
97 #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
98 #define ATM_LLC_SETTYPE(X,V) { \
99 (X)->type[1] = ((V) >> 8) & 0xff; \
100 (X)->type[0] = ((V) & 0xff); \
104 void atm_ifattach (struct ifnet *);
105 void atm_input (struct ifnet *, struct atm_pseudohdr *,
106 struct mbuf *, void *);
107 int atm_output (struct ifnet *, struct mbuf *, struct sockaddr *,