Annotation of sys/net/if_atm.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_atm.h,v 1.12 2006/06/17 10:22:06 henning Exp $ */
! 2:
! 3: /*
! 4: *
! 5: * Copyright (c) 1996 Charles D. Cranor and Washington University.
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 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.
! 22: *
! 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.
! 33: */
! 34:
! 35: /*
! 36: * net/if_atm.h
! 37: */
! 38: #ifndef _NET_IF_ATM_H_
! 39: #define _NET_IF_ATM_H_
! 40:
! 41: #define RTALLOC1(A,B) rtalloc1((A),(B), 0)
! 42:
! 43: /*
! 44: * pseudo header for packet transmission
! 45: */
! 46:
! 47: struct atm_pseudohdr {
! 48: u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
! 49: };
! 50:
! 51: #define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
! 52: #define ATM_PH_VPI(X) ((X)->atm_ph[1])
! 53: #define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
! 54: #define ATM_PH_SETVCI(X,V) { \
! 55: (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
! 56: (X)->atm_ph[3] = ((V) & 0xff); \
! 57: }
! 58:
! 59: #define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */
! 60: #define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */
! 61:
! 62: #define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
! 63: #define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
! 64:
! 65: #define ATMMTU 9180 /* ATM MTU size for IP */
! 66: /* XXX: could be 9188 with LLC/SNAP according
! 67: to comer */
! 68:
! 69: /* user's ioctl hook for raw atm mode */
! 70: #define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
! 71:
! 72: /* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
! 73: struct atm_pseudoioctl {
! 74: struct atm_pseudohdr aph;
! 75: void *rxhand;
! 76: };
! 77: #define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
! 78: #define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
! 79:
! 80: /*
! 81: * XXX forget all the garbage in if_llc.h and do it the easy way
! 82: */
! 83:
! 84: #define ATMLLC_HDR "\252\252\3\0\0\0"
! 85: struct atmllc {
! 86: u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */
! 87: u_int8_t type[2]; /* "ethernet" type */
! 88: };
! 89:
! 90: /* ATM_LLC macros: note type code in host byte order */
! 91: #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
! 92: #define ATM_LLC_SETTYPE(X,V) { \
! 93: (X)->type[0] = ((V) >> 8) & 0xff; \
! 94: (X)->type[1] = ((V) & 0xff); \
! 95: }
! 96:
! 97: #ifdef _KERNEL
! 98: void atm_ifattach(struct ifnet *);
! 99: void atm_input(struct ifnet *, struct atm_pseudohdr *,
! 100: struct mbuf *, void *);
! 101: int atm_output(struct ifnet *, struct mbuf *, struct sockaddr *,
! 102: struct rtentry *);
! 103: #endif /* _KERNEL */
! 104: #endif /* _NET_IF_ATM_H_ */
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