if_atm.h revision 37939
125603Skjc/* $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $ */ 225603Skjc 325603Skjc/* 425603Skjc * 525603Skjc * Copyright (c) 1996 Charles D. Cranor and Washington University. 625603Skjc * All rights reserved. 725603Skjc * 825603Skjc * Redistribution and use in source and binary forms, with or without 925603Skjc * modification, are permitted provided that the following conditions 1025603Skjc * are met: 1125603Skjc * 1. Redistributions of source code must retain the above copyright 1225603Skjc * notice, this list of conditions and the following disclaimer. 1325603Skjc * 2. Redistributions in binary form must reproduce the above copyright 1425603Skjc * notice, this list of conditions and the following disclaimer in the 1525603Skjc * documentation and/or other materials provided with the distribution. 1625603Skjc * 3. All advertising materials mentioning features or use of this software 1725603Skjc * must display the following acknowledgement: 1825603Skjc * This product includes software developed by Charles D. Cranor and 1925603Skjc * Washington University. 2025603Skjc * 4. The name of the author may not be used to endorse or promote products 2125603Skjc * derived from this software without specific prior written permission. 2225603Skjc * 2325603Skjc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 2425603Skjc * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2525603Skjc * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2625603Skjc * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2725603Skjc * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2825603Skjc * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2925603Skjc * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3025603Skjc * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3125603Skjc * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 3225603Skjc * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3325603Skjc */ 3425603Skjc 3525603Skjc/* 3625603Skjc * net/if_atm.h 3725603Skjc */ 3825603Skjc 3925603Skjc#if (defined(__FreeBSD__) || defined(__bsdi__)) && defined(KERNEL) 4025603Skjc#ifndef _KERNEL 4125603Skjc#define _KERNEL 4225603Skjc#endif 4325603Skjc#endif /* freebsd doesn't define _KERNEL */ 4425603Skjc 4537939Skjc#ifndef NO_ATM_PVCEXT 4637939Skjc/* 4737939Skjc * ATM_PVCEXT enables PVC extention: VP/VC shaping 4837939Skjc * and PVC shadow interfaces. 4937939Skjc */ 5037939Skjc#define ATM_PVCEXT /* enable pvc extention */ 5137939Skjc#endif 5237939Skjc 5325603Skjc#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) 5425603Skjc#define RTALLOC1(A,B) rtalloc1((A),(B)) 5525603Skjc#elif defined(__FreeBSD__) 5625603Skjc#define RTALLOC1(A,B) rtalloc1((A),(B),0UL) 5725603Skjc#endif 5825603Skjc 5925603Skjc/* 6025603Skjc * pseudo header for packet transmission 6125603Skjc */ 6225603Skjcstruct atm_pseudohdr { 6325603Skjc u_int8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */ 6425603Skjc}; 6525603Skjc 6625603Skjc#define ATM_PH_FLAGS(X) ((X)->atm_ph[0]) 6725603Skjc#define ATM_PH_VPI(X) ((X)->atm_ph[1]) 6825603Skjc#define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3])) 6925603Skjc#define ATM_PH_SETVCI(X,V) { \ 7025603Skjc (X)->atm_ph[2] = ((V) >> 8) & 0xff; \ 7125603Skjc (X)->atm_ph[3] = ((V) & 0xff); \ 7225603Skjc} 7325603Skjc 7425603Skjc#define ATM_PH_AAL5 0x01 /* use AAL5? (0 == aal0) */ 7525603Skjc#define ATM_PH_LLCSNAP 0x02 /* use the LLC SNAP encoding (iff aal5) */ 7625603Skjc 7737939Skjc#ifdef ATM_PVCEXT 7837939Skjc#define ATM_PH_INERNAL 0x20 /* reserve for kernel internal use */ 7937939Skjc#endif 8025603Skjc#define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */ 8125603Skjc#define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */ 8225603Skjc 8325603Skjc#define ATMMTU 9180 /* ATM MTU size for IP */ 8425603Skjc /* XXX: could be 9188 with LLC/SNAP according 8525603Skjc to comer */ 8625603Skjc 8725603Skjc/* user's ioctl hook for raw atm mode */ 8825603Skjc#define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */ 8925603Skjc 9025603Skjc/* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */ 9125603Skjcstruct atm_pseudoioctl { 9225603Skjc struct atm_pseudohdr aph; 9325603Skjc void *rxhand; 9425603Skjc}; 9525603Skjc#define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */ 9625603Skjc#define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */ 9725603Skjc 9837939Skjc#ifdef ATM_PVCEXT 9937939Skjc 10037939Skjc/* structure to control PVC transmitter */ 10137939Skjcstruct pvctxreq { 10237939Skjc /* first entry must be compatible with struct ifreq */ 10337939Skjc char pvc_ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ 10437939Skjc struct atm_pseudohdr pvc_aph; /* (flags) + vpi:vci */ 10537939Skjc struct atm_pseudohdr pvc_joint; /* for vp shaping: another vc 10637939Skjc to share the shaper */ 10737939Skjc int pvc_pcr; /* peak cell rate (shaper value) */ 10837939Skjc}; 10937939Skjc 11037939Skjc/* use ifioctl for now */ 11137939Skjc#define SIOCSPVCTX _IOWR('i', 95, struct pvctxreq) 11237939Skjc#define SIOCGPVCTX _IOWR('i', 96, struct pvctxreq) 11337939Skjc#define SIOCSPVCSIF _IOWR('i', 97, struct ifreq) 11437939Skjc#define SIOCGPVCSIF _IOWR('i', 98, struct ifreq) 11537939Skjc 11637939Skjc#ifdef _KERNEL 11737939Skjc#define ATM_PH_PVCSIF ATM_PH_INERNAL /* pvc shadow interface */ 11837939Skjc#endif 11937939Skjc#endif /* ATM_PVCEXT */ 12037939Skjc 12125603Skjc/* 12225603Skjc * XXX forget all the garbage in if_llc.h and do it the easy way 12325603Skjc */ 12425603Skjc 12525603Skjc#define ATMLLC_HDR "\252\252\3\0\0\0" 12625603Skjcstruct atmllc { 12725603Skjc u_int8_t llchdr[6]; /* aa.aa.03.00.00.00 */ 12825603Skjc u_int8_t type[2]; /* "ethernet" type */ 12925603Skjc}; 13025603Skjc 13125603Skjc/* ATM_LLC macros: note type code in host byte order */ 13225603Skjc#define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1])) 13325603Skjc#define ATM_LLC_SETTYPE(X,V) { \ 13425603Skjc (X)->type[1] = ((V) >> 8) & 0xff; \ 13525603Skjc (X)->type[0] = ((V) & 0xff); \ 13625603Skjc} 13725603Skjc 13825603Skjc#ifdef _KERNEL 13925603Skjcvoid atm_ifattach __P((struct ifnet *)); 14025603Skjcvoid atm_input __P((struct ifnet *, struct atm_pseudohdr *, 14125603Skjc struct mbuf *, void *)); 14225603Skjcint atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, 14325603Skjc struct rtentry *)); 14425603Skjc#endif 14537939Skjc#ifdef ATM_PVCEXT 14637939Skjcchar *shadow2if __P((char *)); 14737939Skjc#ifdef _KERNEL 14837939Skjcstruct ifnet *pvc_attach __P((struct ifnet *)); 14937939Skjcint pvc_setaph __P((struct ifnet *, struct atm_pseudohdr *)); 15037939Skjc#endif 15137939Skjc#endif 152