/* $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $ */ /* $FreeBSD$ */ /*- * * 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 */ /* * Classification of ATM cards. */ #define ATM_DEVICE_UNKNOWN 0 #define ATM_DEVICE_PCA200E 1 /* Fore/Marconi PCA200-E */ #define ATM_DEVICE_HE155 2 /* Fore/Marconi HE155 */ #define ATM_DEVICE_HE622 3 /* Fore/Marconi HE622 */ #define ATM_DEVICE_ENI155P 4 /* Efficient networks 155p */ #define ATM_DEVICE_ADP155P 5 /* Adaptec 155p */ #define ATM_DEVICE_FORELE25 6 /* ForeRunnerLE 25 */ #define ATM_DEVICE_FORELE155 7 /* ForeRunnerLE 155 */ #define ATM_DEVICE_NICSTAR25 8 /* other 77211 25.6MBit */ #define ATM_DEVICE_NICSTAR155 9 /* other 77211 155MBit */ #define ATM_DEVICE_IDTABR25 10 /* 77252 based card 25MBit */ #define ATM_DEVICE_IDTABR155 11 /* 77252 based card 155MBit */ #define ATM_DEVICE_PROATM25 12 /* 77252 based ProSum card 25MBit */ #define ATM_DEVICE_PROATM155 13 /* 77252 based ProSum card 155MBit */ #define ATM_DEVICE_VIRTUAL 14 /* virtual ATM device (netgraph) */ /* map to strings and vendors */ #define ATM_DEVICE_NAMES \ { "Unknown", "Unknown" }, \ { "PCA200-E", "Fore/Marconi" }, \ { "HE155", "Fore/Marconi" }, \ { "HE622", "Fore/Marconi" }, \ { "ENI155p", "Efficient Networks" }, \ { "ADP155p", "Adaptec" }, \ { "ForeRunnerLE25", "Fore/Marconi" }, \ { "ForeRunnerLE155", "Fore/Marconi" }, \ { "IDT77211/25", "IDT" }, \ { "IDT77211/155", "IDT" }, \ { "IDT77252/25", "IDT" }, \ { "IDT77252/155", "IDT" }, \ { "ProATM/25", "ProSum" }, \ { "ProATM/155", "ProSum" }, \ { "Virtual", "NetGraph" }, /* * This is the common link layer MIB for all ATM interfaces. Much of the * information here is needed for ILMI. This will be augmented by statistics * at some point. */ struct ifatm_mib { /* configuration data */ uint8_t device; /* type of card */ u_char esi[6]; /* end system identifier (MAC) */ uint32_t serial; /* card serial number */ uint32_t hw_version; /* card version */ uint32_t sw_version; /* firmware version (if any) */ uint32_t pcr; /* supported peak cell rate */ uint32_t media; /* physical media */ uint8_t vpi_bits; /* number of used bits in VPI field */ uint8_t vci_bits; /* number of used bits in VCI field */ uint16_t max_vpcs; /* maximum number of VPCs */ uint32_t max_vccs; /* maximum number of VCCs */ }; /* * Traffic parameters for ATM connections. This contains all parameters * to accomodate UBR, UBR+MCR, CBR, VBR and ABR connections. * * Keep in sync with ng_atm.h */ struct atmio_tparam { uint32_t pcr; /* 24bit: Peak Cell Rate */ uint32_t scr; /* 24bit: VBR Sustainable Cell Rate */ uint32_t mbs; /* 24bit: VBR Maximum burst size */ uint32_t mcr; /* 24bit: ABR/VBR/UBR+MCR MCR */ uint32_t icr; /* 24bit: ABR ICR */ uint32_t tbe; /* 24bit: ABR TBE (1...2^24-1) */ uint8_t nrm; /* 3bit: ABR Nrm */ uint8_t trm; /* 3bit: ABR Trm */ uint16_t adtf; /* 10bit: ABR ADTF */ uint8_t rif; /* 4bit: ABR RIF */ uint8_t rdf; /* 4bit: ABR RDF */ uint8_t cdf; /* 3bit: ABR CDF */ }; /* * VCC parameters * * Keep in sync with ng_atm.h */ struct atmio_vcc { uint16_t flags; /* VCC flags */ uint16_t vpi; uint16_t vci; uint16_t rmtu; /* maximum receive PDU */ uint16_t tmtu; /* maximum transmit PDU */ uint8_t aal; /* aal type */ uint8_t traffic; /* traffic type */ struct atmio_tparam tparam; /* traffic parameters */ }; /* VCC flags */ #define ATMIO_FLAG_LLCSNAP 0x0002 /* same as ATM_PH_LLCSNAP */ #define ATMIO_FLAG_NG 0x0010 /* owned by netgraph */ #define ATMIO_FLAG_HARP 0x0020 /* owned by HARP */ #define ATMIO_FLAG_NORX 0x0100 /* not receiving on this VCC */ #define ATMIO_FLAG_NOTX 0x0200 /* not transmitting on this VCC */ #define ATMIO_FLAG_PVC 0x0400 /* this is a PVC */ #define ATMIO_FLAG_ASYNC 0x0800 /* async open/close */ #define ATMIO_FLAGS "\020\2LLCSNAP\5NG\6HARP\11NORX\12NOTX\13PVC\14ASYNC" #define ATMIO_AAL_0 0 /* pure cells */ #define ATMIO_AAL_34 4 /* AAL3 and 4 */ #define ATMIO_AAL_5 5 /* AAL5 */ #define ATMIO_AAL_RAW 10 /* whatever the card does */ #define ATMIO_TRAFFIC_UBR 0 #define ATMIO_TRAFFIC_CBR 1 #define ATMIO_TRAFFIC_ABR 2 #define ATMIO_TRAFFIC_VBR 3 /* * VCC table * * Keep in sync with ng_atm.h */ struct atmio_vcctable { uint32_t count; /* number of vccs */ struct atmio_vcc vccs[0]; /* array of VCCs */ }; /* * Peak cell rates for various physical media. Note, that there are * different opinions on what the correct values are. */ #define ATM_RATE_25_6M 59259 #define ATM_RATE_155M 353208 #define ATM_RATE_622M 1412830 #define ATM_RATE_2_4G 5651320 #ifdef _KERNEL /* * Common fields for all ATM interfaces. Each driver's softc must start with * this structure. */ struct ifatm { struct ifnet *ifp; struct ifatm_mib mib; /* exported data */ void *phy; /* usually SUNI */ void *ngpriv; /* netgraph link */ }; #define IFP2IFATM(ifp) ((struct ifatm *)(ifp)->if_l2com) #endif /* * Keep structures in sync with ng_atm.h * * These are used by netgraph/harp to call the driver * NATM uses the atm_pseudoioctl instead. */ struct atmio_openvcc { void *rxhand; /* handle argument */ struct atmio_vcc param; /* parameters */ }; struct atmio_closevcc { uint16_t vpi; uint16_t vci; }; #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 { uint8_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); \ } /* use AAL5? (0 == aal0) */ #define ATM_PH_AAL5 0x01 /* use the LLC SNAP encoding (iff aal5) */ #define ATM_PH_LLCSNAP ATMIO_FLAG_LLCSNAP #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 */ #define SIOCATMGETVCCS _IOW('a', 125, struct atmio_vcctable) #define SIOCATMOPENVCC _IOR('a', 126, struct atmio_openvcc) #define SIOCATMCLOSEVCC _IOR('a', 127, struct atmio_closevcc) #define SIOCATMGVCCS _IOWR('i', 230, struct ifreq) /* * 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 { uint8_t llchdr[6]; /* aa.aa.03.00.00.00 */ uint8_t type[2]; /* "ethernet" type */ }; /* 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) do { \ (X)->type[0] = ((V) >> 8) & 0xff; \ (X)->type[1] = ((V) & 0xff); \ } while (0) /* * Events that are emitted by the driver. Currently the only consumer * of this is the netgraph node. */ #define ATMEV_FLOW_CONTROL 0x0001 /* channel busy state changed */ #define ATMEV_IFSTATE_CHANGED 0x0002 /* up/down or carrier */ #define ATMEV_VCC_CHANGED 0x0003 /* PVC deleted/create */ #define ATMEV_ACR_CHANGED 0x0004 /* ABR ACR has changed */ struct atmev_flow_control { uint16_t vpi; /* channel that is changed */ uint16_t vci; u_int busy : 1; /* != 0 -> ATM layer busy */ }; struct atmev_ifstate_changed { u_int running : 1; /* interface is running now */ u_int carrier : 1; /* carrier detected (or not) */ }; struct atmev_vcc_changed { uint16_t vpi; /* channel that is changed */ uint16_t vci; u_int up : 1; /* 1 - created, 0 - deleted */ }; struct atmev_acr_changed { uint16_t vpi; /* channel that is changed */ uint16_t vci; uint32_t acr; /* new ACR */ }; #ifdef _KERNEL void atm_ifattach(struct ifnet *); void atm_ifdetach(struct ifnet *); void atm_input(struct ifnet *, struct atm_pseudohdr *, struct mbuf *, void *); int atm_output(struct ifnet *, struct mbuf *, struct sockaddr *, struct route *); struct atmio_vcctable *atm_getvccs(struct atmio_vcc **, u_int, u_int, struct mtx *, int); void atm_event(struct ifnet *, u_int, void *); #define ATMEV_SEND_FLOW_CONTROL(ATMIF, VPI, VCI, BUSY) \ do { \ struct atmev_flow_control _arg; \ _arg.vpi = (VPI); \ _arg.vci = (VCI); \ _arg.busy = (BUSY); \ atm_event((ATMIF)->ifp, ATMEV_FLOW_CONTROL, &_arg); \ } while (0) #define ATMEV_SEND_VCC_CHANGED(ATMIF, VPI, VCI, UP) \ do { \ struct atmev_vcc_changed _arg; \ _arg.vpi = (VPI); \ _arg.vci = (VCI); \ _arg.up = (UP); \ atm_event((ATMIF)->ifp, ATMEV_VCC_CHANGED, &_arg); \ } while (0) #define ATMEV_SEND_IFSTATE_CHANGED(ATMIF, CARRIER) \ do { \ struct atmev_ifstate_changed _arg; \ _arg.running = (((ATMIF)->ifp->if_drv_flags & \ IFF_DRV_RUNNING) != 0); \ _arg.carrier = ((CARRIER) != 0); \ atm_event((ATMIF)->ifp, ATMEV_IFSTATE_CHANGED, &_arg); \ } while (0) #define ATMEV_SEND_ACR_CHANGED(ATMIF, VPI, VCI, ACR) \ do { \ struct atmev_acr_changed _arg; \ _arg.vpi = (VPI); \ _arg.vci = (VCI); \ _arg.acr= (ACR); \ atm_event((ATMIF)->ifp, ATMEV_ACR_CHANGED, &_arg); \ } while (0) #endif