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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $ */
23:
24: /*
25: *
26: * Copyright (c) 1996 Charles D. Cranor and Washington University.
27: * All rights reserved.
28: *
29: * Redistribution and use in source and binary forms, with or without
30: * modification, are permitted provided that the following conditions
31: * are met:
32: * 1. Redistributions of source code must retain the above copyright
33: * notice, this list of conditions and the following disclaimer.
34: * 2. Redistributions in binary form must reproduce the above copyright
35: * notice, this list of conditions and the following disclaimer in the
36: * documentation and/or other materials provided with the distribution.
37: * 3. All advertising materials mentioning features or use of this software
38: * must display the following acknowledgement:
39: * This product includes software developed by Charles D. Cranor and
40: * Washington University.
41: * 4. The name of the author may not be used to endorse or promote products
42: * derived from this software without specific prior written permission.
43: *
44: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
45: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
46: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
47: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
48: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
49: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
53: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54: */
55:
56: /*
57: * net/if_atm.h
58: */
59:
60:
61: #ifndef NO_ATM_PVCEXT
62: /*
63: * ATM_PVCEXT enables PVC extention: VP/VC shaping
64: * and PVC shadow interfaces.
65: */
66: #define ATM_PVCEXT /* enable pvc extention */
67: #endif
68:
69: #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
70: #define RTALLOC1(A,B) rtalloc1((A),(B))
71: #elif defined(__FreeBSD__)
72: #define RTALLOC1(A,B) rtalloc1((A),(B),0UL)
73: #endif
74:
75: /*
76: * pseudo header for packet transmission
77: */
78: struct atm_pseudohdr {
79: u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
80: };
81:
82: #define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
83: #define ATM_PH_VPI(X) ((X)->atm_ph[1])
84: #define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
85: #define ATM_PH_SETVCI(X,V) { \
86: (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
87: (X)->atm_ph[3] = ((V) & 0xff); \
88: }
89:
90: #define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */
91: #define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */
92:
93: #if ATM_PVCEXT
94: #define ATM_PH_INERNAL 0x20 /* reserve for kernel internal use */
95: #endif
96: #define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
97: #define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
98:
99: #define ATMMTU 9180 /* ATM MTU size for IP */
100: /* XXX: could be 9188 with LLC/SNAP according
101: to comer */
102:
103: /* user's ioctl hook for raw atm mode */
104: #define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
105:
106: /* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
107: struct atm_pseudoioctl {
108: struct atm_pseudohdr aph;
109: void *rxhand;
110: };
111: #define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
112: #define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
113:
114: #if ATM_PVCEXT
115:
116: /* structure to control PVC transmitter */
117: struct pvctxreq {
118: /* first entry must be compatible with struct ifreq */
119: char pvc_ifname[IFNAMSIZ]; /* if name, e.g. "en0" */
120: struct atm_pseudohdr pvc_aph; /* (flags) + vpi:vci */
121: struct atm_pseudohdr pvc_joint; /* for vp shaping: another vc
122: to share the shaper */
123: int pvc_pcr; /* peak cell rate (shaper value) */
124: };
125:
126: /* use ifioctl for now */
127: #define SIOCSPVCTX _IOWR('i', 95, struct pvctxreq)
128: #define SIOCGPVCTX _IOWR('i', 96, struct pvctxreq)
129: #define SIOCSPVCSIF _IOWR('i', 97, struct ifreq)
130: #define SIOCGPVCSIF _IOWR('i', 98, struct ifreq)
131:
132: #ifdef KERNEL
133: #define ATM_PH_PVCSIF ATM_PH_INERNAL /* pvc shadow interface */
134: #endif
135: #endif /* ATM_PVCEXT */
136:
137: /*
138: * XXX forget all the garbage in if_llc.h and do it the easy way
139: */
140:
141: #define ATMLLC_HDR "\252\252\3\0\0\0"
142: struct atmllc {
143: u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */
144: u_int8_t type[2]; /* "ethernet" type */
145: };
146:
147: /* ATM_LLC macros: note type code in host byte order */
148: #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
149: #define ATM_LLC_SETTYPE(X,V) { \
150: (X)->type[1] = ((V) >> 8) & 0xff; \
151: (X)->type[0] = ((V) & 0xff); \
152: }
153:
154: #ifdef KERNEL
155: void atm_ifattach __P((struct ifnet *));
156: void atm_input __P((struct ifnet *, struct atm_pseudohdr *,
157: struct mbuf *, void *));
158: int atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
159: struct rtentry *));
160: #endif
161: #if ATM_PVCEXT
162: char *shadow2if __P((char *));
163: #ifdef KERNEL
164: struct ifnet *pvc_attach __P((struct ifnet *));
165: int pvc_setaph __P((struct ifnet *, struct atm_pseudohdr *));
166: #endif
167: #endif
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