diff options
Diffstat (limited to 'sys/net/if_atm.h')
| -rw-r--r-- | sys/net/if_atm.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sys/net/if_atm.h b/sys/net/if_atm.h new file mode 100644 index 00000000000..a836508e04b --- /dev/null +++ b/sys/net/if_atm.h @@ -0,0 +1,88 @@ +/* $OpenBSD: if_atm.h,v 1.1 1996/06/21 15:13:39 chuck Exp $ */ + +/* + * + * Copyright (c) 1996 Charles D. Cranor + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles D. Cranor. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * net/if_atm.h + */ + +/* + * pseudo header for packet transmission + */ + +struct atm_pseudohdr { + u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */ +}; + +#define ATM_PH_FLAGS(X) ((X)->atm_ph[0]) +#define ATM_PH_VPI(X) ((X)->atm_ph[1]) +#define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3])) +#define ATM_PH_SETVCI(X,V) { \ + (X)->atm_ph[2] = ((V) >> 8) & 0xff; \ + (X)->atm_ph[3] = ((V) & 0xff); \ +} + +#define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */ +#define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */ + +#define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */ +#define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */ + +#define ATMMTU 9180 /* ATM MTU size for IP */ + /* XXX: could be 9188 with LLC/SNAP according + to comer */ + +/* pseudo ioctl */ +#define SIOCATMENA _IOWR('a', 122, struct atm_pseudohdr) /* enable */ +#define SIOCATMDIS _IOWR('a', 123, struct atm_pseudohdr) /* disable */ + +/* + * XXX forget all the garbage in if_llc.h and do it the easy way + */ + +#define ATMLLC_HDR "\252\252\3\0\0\0" +struct atmllc { + u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */ + u_int8_t type[2]; /* "ethernet" type */ +}; + +#define ATM_LLC_TYPE(X) (((X)->type[1] << 8) | ((X)->type[0])) +#define ATM_LLC_SETTYPE(X,V) { \ + (X)->type[1] = ((V) >> 8) & 0xff; \ + (X)->type[0] = ((V) & 0xff); \ +} + +#ifdef _KERNEL +void atm_ifattach __P((struct ifnet *)); +int atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, + struct rtentry *)); +#endif |