338 lines
11 KiB
C
338 lines
11 KiB
C
/* $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $ */
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/* $FreeBSD$ */
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/*-
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*
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* Copyright (c) 1996 Charles D. Cranor and Washington University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles D. Cranor and
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* Washington University.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* net/if_atm.h
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*/
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/*
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* Classification of ATM cards.
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*/
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#define ATM_DEVICE_UNKNOWN 0
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#define ATM_DEVICE_PCA200E 1 /* Fore/Marconi PCA200-E */
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#define ATM_DEVICE_HE155 2 /* Fore/Marconi HE155 */
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#define ATM_DEVICE_HE622 3 /* Fore/Marconi HE622 */
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#define ATM_DEVICE_ENI155P 4 /* Efficient networks 155p */
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#define ATM_DEVICE_ADP155P 5 /* Adaptec 155p */
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#define ATM_DEVICE_FORELE25 6 /* ForeRunnerLE 25 */
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#define ATM_DEVICE_FORELE155 7 /* ForeRunnerLE 155 */
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#define ATM_DEVICE_NICSTAR25 8 /* other 77211 25.6MBit */
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#define ATM_DEVICE_NICSTAR155 9 /* other 77211 155MBit */
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#define ATM_DEVICE_IDTABR25 10 /* 77252 based card 25MBit */
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#define ATM_DEVICE_IDTABR155 11 /* 77252 based card 155MBit */
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#define ATM_DEVICE_PROATM25 12 /* 77252 based ProSum card 25MBit */
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#define ATM_DEVICE_PROATM155 13 /* 77252 based ProSum card 155MBit */
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#define ATM_DEVICE_VIRTUAL 14 /* virtual ATM device (netgraph) */
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/* map to strings and vendors */
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#define ATM_DEVICE_NAMES \
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{ "Unknown", "Unknown" }, \
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{ "PCA200-E", "Fore/Marconi" }, \
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{ "HE155", "Fore/Marconi" }, \
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{ "HE622", "Fore/Marconi" }, \
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{ "ENI155p", "Efficient Networks" }, \
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{ "ADP155p", "Adaptec" }, \
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{ "ForeRunnerLE25", "Fore/Marconi" }, \
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{ "ForeRunnerLE155", "Fore/Marconi" }, \
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{ "IDT77211/25", "IDT" }, \
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{ "IDT77211/155", "IDT" }, \
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{ "IDT77252/25", "IDT" }, \
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{ "IDT77252/155", "IDT" }, \
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{ "ProATM/25", "ProSum" }, \
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{ "ProATM/155", "ProSum" }, \
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{ "Virtual", "NetGraph" },
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/*
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* This is the common link layer MIB for all ATM interfaces. Much of the
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* information here is needed for ILMI. This will be augmented by statistics
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* at some point.
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*/
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struct ifatm_mib {
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/* configuration data */
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uint8_t device; /* type of card */
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u_char esi[6]; /* end system identifier (MAC) */
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uint32_t serial; /* card serial number */
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uint32_t hw_version; /* card version */
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uint32_t sw_version; /* firmware version (if any) */
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uint32_t pcr; /* supported peak cell rate */
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uint32_t media; /* physical media */
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uint8_t vpi_bits; /* number of used bits in VPI field */
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uint8_t vci_bits; /* number of used bits in VCI field */
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uint16_t max_vpcs; /* maximum number of VPCs */
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uint32_t max_vccs; /* maximum number of VCCs */
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};
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/*
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* Traffic parameters for ATM connections. This contains all parameters
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* to accomodate UBR, UBR+MCR, CBR, VBR and ABR connections.
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*
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* Keep in sync with ng_atm.h
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*/
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struct atmio_tparam {
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uint32_t pcr; /* 24bit: Peak Cell Rate */
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uint32_t scr; /* 24bit: VBR Sustainable Cell Rate */
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uint32_t mbs; /* 24bit: VBR Maximum burst size */
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uint32_t mcr; /* 24bit: ABR/VBR/UBR+MCR MCR */
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uint32_t icr; /* 24bit: ABR ICR */
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uint32_t tbe; /* 24bit: ABR TBE (1...2^24-1) */
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uint8_t nrm; /* 3bit: ABR Nrm */
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uint8_t trm; /* 3bit: ABR Trm */
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uint16_t adtf; /* 10bit: ABR ADTF */
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uint8_t rif; /* 4bit: ABR RIF */
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uint8_t rdf; /* 4bit: ABR RDF */
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uint8_t cdf; /* 3bit: ABR CDF */
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};
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/*
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* VCC parameters
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*
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* Keep in sync with ng_atm.h
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*/
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struct atmio_vcc {
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uint16_t flags; /* VCC flags */
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uint16_t vpi;
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uint16_t vci;
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uint16_t rmtu; /* maximum receive PDU */
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uint16_t tmtu; /* maximum transmit PDU */
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uint8_t aal; /* aal type */
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uint8_t traffic; /* traffic type */
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struct atmio_tparam tparam; /* traffic parameters */
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};
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/* VCC flags */
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#define ATMIO_FLAG_LLCSNAP 0x0002 /* same as ATM_PH_LLCSNAP */
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#define ATMIO_FLAG_NG 0x0010 /* owned by netgraph */
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#define ATMIO_FLAG_HARP 0x0020 /* owned by HARP */
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#define ATMIO_FLAG_NORX 0x0100 /* not receiving on this VCC */
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#define ATMIO_FLAG_NOTX 0x0200 /* not transmitting on this VCC */
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#define ATMIO_FLAG_PVC 0x0400 /* this is a PVC */
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#define ATMIO_FLAG_ASYNC 0x0800 /* async open/close */
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#define ATMIO_FLAGS "\020\2LLCSNAP\5NG\6HARP\11NORX\12NOTX\13PVC\14ASYNC"
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#define ATMIO_AAL_0 0 /* pure cells */
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#define ATMIO_AAL_34 4 /* AAL3 and 4 */
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#define ATMIO_AAL_5 5 /* AAL5 */
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#define ATMIO_AAL_RAW 10 /* whatever the card does */
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#define ATMIO_TRAFFIC_UBR 0
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#define ATMIO_TRAFFIC_CBR 1
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#define ATMIO_TRAFFIC_ABR 2
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#define ATMIO_TRAFFIC_VBR 3
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/*
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* VCC table
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*
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* Keep in sync with ng_atm.h
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*/
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struct atmio_vcctable {
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uint32_t count; /* number of vccs */
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struct atmio_vcc vccs[0]; /* array of VCCs */
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};
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/*
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* Peak cell rates for various physical media. Note, that there are
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* different opinions on what the correct values are.
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*/
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#define ATM_RATE_25_6M 59259
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#define ATM_RATE_155M 353208
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#define ATM_RATE_622M 1412830
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#define ATM_RATE_2_4G 5651320
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#ifdef _KERNEL
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/*
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* Common fields for all ATM interfaces. Each driver's softc must start with
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* this structure.
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*/
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struct ifatm {
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struct ifnet *ifp;
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struct ifatm_mib mib; /* exported data */
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void *phy; /* usually SUNI */
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void *ngpriv; /* netgraph link */
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};
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#define IFP2IFATM(ifp) ((struct ifatm *)(ifp)->if_l2com)
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#endif
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/*
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* Keep structures in sync with ng_atm.h
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*
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* These are used by netgraph/harp to call the driver
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* NATM uses the atm_pseudoioctl instead.
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*/
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struct atmio_openvcc {
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void *rxhand; /* handle argument */
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struct atmio_vcc param; /* parameters */
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};
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struct atmio_closevcc {
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uint16_t vpi;
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uint16_t vci;
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};
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#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
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#define RTALLOC1(A,B) rtalloc1((A),(B))
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#elif defined(__FreeBSD__)
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#define RTALLOC1(A,B) rtalloc1((A),(B),0UL)
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#endif
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/*
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* pseudo header for packet transmission
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*/
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struct atm_pseudohdr {
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uint8_t atm_ph[4]; /* flags+VPI+VCI1(msb)+VCI2(lsb) */
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};
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#define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
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#define ATM_PH_VPI(X) ((X)->atm_ph[1])
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#define ATM_PH_VCI(X) ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
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#define ATM_PH_SETVCI(X,V) { \
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(X)->atm_ph[2] = ((V) >> 8) & 0xff; \
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(X)->atm_ph[3] = ((V) & 0xff); \
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}
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/* use AAL5? (0 == aal0) */
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#define ATM_PH_AAL5 0x01
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/* use the LLC SNAP encoding (iff aal5) */
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#define ATM_PH_LLCSNAP ATMIO_FLAG_LLCSNAP
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#define ATM_PH_DRIVER7 0x40 /* reserve for driver's use */
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#define ATM_PH_DRIVER8 0x80 /* reserve for driver's use */
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#define ATMMTU 9180 /* ATM MTU size for IP */
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/* XXX: could be 9188 with LLC/SNAP according
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to comer */
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#define SIOCATMGETVCCS _IOW('a', 125, struct atmio_vcctable)
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#define SIOCATMOPENVCC _IOR('a', 126, struct atmio_openvcc)
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#define SIOCATMCLOSEVCC _IOR('a', 127, struct atmio_closevcc)
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#define SIOCATMGVCCS _IOWR('i', 230, struct ifreq)
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/*
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* XXX forget all the garbage in if_llc.h and do it the easy way
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*/
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#define ATMLLC_HDR "\252\252\3\0\0\0"
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struct atmllc {
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uint8_t llchdr[6]; /* aa.aa.03.00.00.00 */
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uint8_t type[2]; /* "ethernet" type */
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};
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/* ATM_LLC macros: note type code in host byte order */
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#define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
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#define ATM_LLC_SETTYPE(X, V) do { \
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(X)->type[0] = ((V) >> 8) & 0xff; \
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(X)->type[1] = ((V) & 0xff); \
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} while (0)
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/*
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* Events that are emitted by the driver. Currently the only consumer
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* of this is the netgraph node.
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*/
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#define ATMEV_FLOW_CONTROL 0x0001 /* channel busy state changed */
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#define ATMEV_IFSTATE_CHANGED 0x0002 /* up/down or carrier */
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#define ATMEV_VCC_CHANGED 0x0003 /* PVC deleted/create */
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#define ATMEV_ACR_CHANGED 0x0004 /* ABR ACR has changed */
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struct atmev_flow_control {
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uint16_t vpi; /* channel that is changed */
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uint16_t vci;
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u_int busy : 1; /* != 0 -> ATM layer busy */
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};
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struct atmev_ifstate_changed {
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u_int running : 1; /* interface is running now */
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u_int carrier : 1; /* carrier detected (or not) */
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};
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struct atmev_vcc_changed {
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uint16_t vpi; /* channel that is changed */
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uint16_t vci;
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u_int up : 1; /* 1 - created, 0 - deleted */
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};
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struct atmev_acr_changed {
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uint16_t vpi; /* channel that is changed */
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uint16_t vci;
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uint32_t acr; /* new ACR */
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};
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#ifdef _KERNEL
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void atm_ifattach(struct ifnet *);
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void atm_ifdetach(struct ifnet *);
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void atm_input(struct ifnet *, struct atm_pseudohdr *,
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struct mbuf *, void *);
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int atm_output(struct ifnet *, struct mbuf *, const struct sockaddr *,
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struct route *);
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struct atmio_vcctable *atm_getvccs(struct atmio_vcc **, u_int, u_int,
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struct mtx *, int);
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void atm_event(struct ifnet *, u_int, void *);
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#define ATMEV_SEND_FLOW_CONTROL(ATMIF, VPI, VCI, BUSY) \
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do { \
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struct atmev_flow_control _arg; \
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_arg.vpi = (VPI); \
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_arg.vci = (VCI); \
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_arg.busy = (BUSY); \
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atm_event((ATMIF)->ifp, ATMEV_FLOW_CONTROL, &_arg); \
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} while (0)
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#define ATMEV_SEND_VCC_CHANGED(ATMIF, VPI, VCI, UP) \
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do { \
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struct atmev_vcc_changed _arg; \
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_arg.vpi = (VPI); \
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_arg.vci = (VCI); \
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_arg.up = (UP); \
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atm_event((ATMIF)->ifp, ATMEV_VCC_CHANGED, &_arg); \
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} while (0)
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#define ATMEV_SEND_IFSTATE_CHANGED(ATMIF, CARRIER) \
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do { \
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struct atmev_ifstate_changed _arg; \
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_arg.running = (((ATMIF)->ifp->if_drv_flags & \
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IFF_DRV_RUNNING) != 0); \
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_arg.carrier = ((CARRIER) != 0); \
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atm_event((ATMIF)->ifp, ATMEV_IFSTATE_CHANGED, &_arg); \
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} while (0)
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#define ATMEV_SEND_ACR_CHANGED(ATMIF, VPI, VCI, ACR) \
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do { \
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struct atmev_acr_changed _arg; \
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_arg.vpi = (VPI); \
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_arg.vci = (VCI); \
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_arg.acr= (ACR); \
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atm_event((ATMIF)->ifp, ATMEV_ACR_CHANGED, &_arg); \
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} while (0)
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#endif
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