59db9a86db
parts of the system about certain kinds of events, like changes in the ABR rate, changes in the carrier state, PVC changes. The main consumers of these events are the harp(4) pseudo-driver and the ILMI daemon via ng_atm(4).
344 lines
11 KiB
C
344 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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/* 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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/*
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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_FLAGS "\020\2LLCSNAP\5NG\6HARP\11NORX\12NOTX\13PVC"
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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 ifnet; /* required by if_var.h */
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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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#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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/* user's ioctl hook for raw atm mode */
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#define SIOCRAWATM _IOWR('a', 122, int) /* set driver's raw mode */
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/* atm_pseudoioctl: turns on and off RX VCIs [for internal use only!] */
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struct atm_pseudoioctl {
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struct atm_pseudohdr aph;
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void *rxhand;
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};
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#define SIOCATMENA _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
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#define SIOCATMDIS _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
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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 *, struct sockaddr *,
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struct rtentry *);
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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)->ifnet, 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)->ifnet, 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)->ifnet.if_flags & \
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IFF_RUNNING) != 0); \
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_arg.carrier = ((CARRIER) != 0); \
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atm_event(&(ATMIF)->ifnet, 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)->ifnet, ATMEV_ACR_CHANGED, &_arg); \
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} while (0)
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#endif
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