/* $NetBSD: if_atm.h,v 1.15 2005/12/11 23:05:24 thorpej Exp $ */ /* * * Copyright (c) 1996 Charles D. Cranor and Washington University. * 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 and * Washington University. * 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 */ #ifndef _NET_IF_ATM_H_ #define _NET_IF_ATM_H_ #if (defined(__FreeBSD__) || defined(__bsdi__)) && defined(KERNEL) #ifndef _KERNEL #define _KERNEL #endif #endif /* freebsd doesn't define _KERNEL */ #ifndef NO_ATM_PVCEXT /* * ATM_PVCEXT enables PVC extension: VP/VC shaping * and PVC shadow interfaces. */ #define ATM_PVCEXT /* enable pvc extension */ #endif #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) #define RTALLOC1(A,B) rtalloc1((A),(B)) #elif defined(__FreeBSD__) #define RTALLOC1(A,B) rtalloc1((A),(B),0UL) #endif /* * 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) */ #ifdef ATM_PVCEXT #define ATM_PH_INERNAL 0x20 /* reserve for kernel internal use */ #endif #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 */ /* user's ioctl hook for raw atm mode */ #define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */ /* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */ struct atm_pseudoioctl { struct atm_pseudohdr aph; void *rxhand; }; #define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */ #define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */ #ifdef ATM_PVCEXT /* structure to control PVC transmitter */ struct pvctxreq { /* first entry must be compatible with struct ifreq */ char pvc_ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ struct atm_pseudohdr pvc_aph; /* (flags) + vpi:vci */ struct atm_pseudohdr pvc_joint; /* for vp shaping: another vc to share the shaper */ int pvc_pcr; /* peak cell rate (shaper value) */ }; /* use ifioctl for now */ #define SIOCSPVCTX _IOWR('i', 95, struct pvctxreq) #define SIOCGPVCTX _IOWR('i', 96, struct pvctxreq) #define SIOCSPVCSIF _IOWR('i', 97, struct ifreq) #define SIOCGPVCSIF _IOWR('i', 98, struct ifreq) #endif /* ATM_PVCEXT */ /* * 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 */ } __attribute__((__packed__)); /* ATM_LLC macros: note type code in host byte order */ #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1])) #define ATM_LLC_SETTYPE(X,V) { \ (X)->type[0] = ((V) >> 8) & 0xff; \ (X)->type[1] = ((V) & 0xff); \ } #ifdef _KERNEL void atm_ifattach(struct ifnet *); void atm_input(struct ifnet *, struct atm_pseudohdr *, struct mbuf *, void *); int atm_output(struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *); #endif #ifdef ATM_PVCEXT #ifdef _KERNEL #include /* * ATM PVC subinterface: a trick to assign a subinterface * to a PVC. * with a pvc subinterface, each PVC looks like an individual * Point-to-Point interface. * as opposed to the NBMA model, a pvc subinterface is inherently * multicast capable (no LANE/MARS required). */ struct pvcsif { /* * The ifnet struct _must_ be at the head of this structure. */ struct ifnet sif_if; /* ifnet structure per pvc */ struct atm_pseudohdr sif_aph; /* flags + vpi:vci */ int sif_vci; /* vci no */ LIST_ENTRY(pvcsif) sif_links; }; struct ifnet *pvcsif_alloc(void); #endif #endif /* ATM_PVCEXT */ #endif /* !_NET_IF_ATM_H_ */