1 /* $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $ */
5 * Copyright (c) 1996 Charles D. Cranor and Washington University.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Charles D. Cranor and
19 * Washington University.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 #if (defined(__FreeBSD__) || defined(__bsdi__)) && defined(KERNEL)
43 #endif /* freebsd doesn't define _KERNEL */
47 * ATM_PVCEXT enables PVC extention: VP/VC shaping
48 * and PVC shadow interfaces.
50 #define ATM_PVCEXT /* enable pvc extention */
53 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
54 #define RTALLOC1(A,B) rtalloc1((A),(B))
55 #elif defined(__FreeBSD__)
56 #define RTALLOC1(A,B) rtalloc1((A),(B),0UL)
60 * pseudo header for packet transmission
62 struct atm_pseudohdr {
63 u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
66 #define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
67 #define ATM_PH_VPI(X) ((X)->atm_ph[1])
68 #define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
69 #define ATM_PH_SETVCI(X,V) { \
70 (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
71 (X)->atm_ph[3] = ((V) & 0xff); \
74 #define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */
75 #define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */
78 #define ATM_PH_INERNAL 0x20 /* reserve for kernel internal use */
80 #define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
81 #define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
83 #define ATMMTU 9180 /* ATM MTU size for IP */
84 /* XXX: could be 9188 with LLC/SNAP according
87 /* user's ioctl hook for raw atm mode */
88 #define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
90 /* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
91 struct atm_pseudoioctl {
92 struct atm_pseudohdr aph;
95 #define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
96 #define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
100 /* structure to control PVC transmitter */
102 /* first entry must be compatible with struct ifreq */
103 char pvc_ifname[IFNAMSIZ]; /* if name, e.g. "en0" */
104 struct atm_pseudohdr pvc_aph; /* (flags) + vpi:vci */
105 struct atm_pseudohdr pvc_joint; /* for vp shaping: another vc
106 to share the shaper */
107 int pvc_pcr; /* peak cell rate (shaper value) */
110 /* use ifioctl for now */
111 #define SIOCSPVCTX _IOWR('i', 95, struct pvctxreq)
112 #define SIOCGPVCTX _IOWR('i', 96, struct pvctxreq)
113 #define SIOCSPVCSIF _IOWR('i', 97, struct ifreq)
114 #define SIOCGPVCSIF _IOWR('i', 98, struct ifreq)
117 #define ATM_PH_PVCSIF ATM_PH_INERNAL /* pvc shadow interface */
119 #endif /* ATM_PVCEXT */
122 * XXX forget all the garbage in if_llc.h and do it the easy way
125 #define ATMLLC_HDR "\252\252\3\0\0\0"
127 u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */
128 u_int8_t type[2]; /* "ethernet" type */
131 /* ATM_LLC macros: note type code in host byte order */
132 #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
133 #define ATM_LLC_SETTYPE(X,V) { \
134 (X)->type[1] = ((V) >> 8) & 0xff; \
135 (X)->type[0] = ((V) & 0xff); \
139 void atm_ifattach __P((struct ifnet *));
140 void atm_input __P((struct ifnet *, struct atm_pseudohdr *,
141 struct mbuf *, void *));
142 int atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
146 char *shadow2if __P((char *));
148 struct ifnet *pvc_attach __P((struct ifnet *));
149 int pvc_setaph __P((struct ifnet *, struct atm_pseudohdr *));