556 lines
22 KiB
C
556 lines
22 KiB
C
/* $NetBSD: tropicreg.h,v 1.6 2005/12/11 12:21:28 christos Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1991 Carnegie Mellon University
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* Copyright (c) 1991 IBM Corporation
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation,
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* and that the name IBM not be used in advertising or publicity
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* pertaining to distribution of the software without specific, written
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* prior permission.
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*
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* CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/* $ACIS:if_lanreg.h 12.0$ */
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#define TR_SWITCH 0
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#define TR_RESET 1
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#define TR_RELEASE 2
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#define TR_CLEARINT 3
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/* macros to deal with accessing the MMIO region */
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#define MM_OUTB(sc, off, val) \
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bus_space_write_1((sc)->sc_memt, (sc)->sc_mmioh, (off), (val))
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#define MM_OUTW(sc, off, val) \
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bus_space_write_2((sc)->sc_memt, (sc)->sc_mmioh, (off), htons((val)))
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#define MM_INB(sc, off) \
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bus_space_read_1((sc)->sc_memt, (sc)->sc_mmioh, (off))
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#define MM_INW(sc, off) \
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ntohs(bus_space_read_2((sc)->sc_memt, (sc)->sc_mmioh, (off)))
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/* macros to deal with accesses to the shared ram */
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#define SR_INB(sc, off) \
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bus_space_read_1(sc->sc_memt, sc->sc_sramh, (off))
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#define SR_INW(sc, off) \
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htons(bus_space_read_2(sc->sc_memt, sc->sc_sramh, (off)))
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#define SR_OUTB(sc, off, val) \
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bus_space_write_1((sc)->sc_memt, (sc)->sc_sramh, (off), (val))
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#define SR_OUTW(sc, off, val) \
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bus_space_write_2((sc)->sc_memt, (sc)->sc_sramh, (off), htons((val)))
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/* macros to deal with accesses to the recv buffers */
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#define RB_INB(sc, rb, reg) SR_INB(sc, (rb)+(reg))
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#define RB_INW(sc, rb, reg) SR_INW(sc, (rb)+(reg))
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/* macros to deal with the ACA */
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#define ACA_RDB(sc, reg) MM_INB(sc, ((sc->sc_aca+(reg))|ACA_RW))
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#define ACA_RDW(sc, reg) MM_INW(sc, ((sc->sc_aca+(reg))|ACA_RW))
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#define ACA_OUTB(sc, reg, val) MM_OUTB(sc, ((sc->sc_aca+(reg))|ACA_RW), (val))
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#define ACA_SETB(sc, reg, val) MM_OUTB(sc, ((sc->sc_aca+(reg))|ACA_SET), (val))
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#define ACA_RSTB(sc, reg, val) MM_OUTB(sc, ((sc->sc_aca+(reg))|ACA_RST), (val))
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/* macros to deal with the SSB */
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#define SSB_INB(sc, ssb, reg) SR_INB(sc, (ssb)+(reg))
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/* macros to deal with the ARB */
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#define ARB_INB(sc, arb, reg) SR_INB(sc, (arb)+(reg))
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#define ARB_INW(sc, arb, reg) SR_INW(sc, (arb)+(reg))
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/* macros to deal with the SRB */
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#define SRB_INB(sc, srb, reg) SR_INB(sc, (srb)+(reg))
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#define SRB_INW(sc, srb, reg) SR_INW(sc, (srb)+(reg))
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#define SRB_OUTB(sc, srb, reg, val) SR_OUTB(sc, (srb)+(reg), (val))
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#define SRB_OUTW(sc, srb, reg, val) SR_OUTW(sc, (srb)+(reg), (val))
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/* macros to deal with the ASB */
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#define ASB_INB(sc, asb, reg) SR_INB(sc, (asb)+(reg))
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#define ASB_INW(sc, asb, reg) SR_INW(sc, (asb)+(reg))
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#define ASB_OUTB(sc, asb, reg, val) SR_OUTB(sc, (asb)+(reg), (val))
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#define ASB_OUTW(sc, asb, reg, val) SR_OUTW(sc, (asb)+(reg), (val))
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/* macros to deal with the TXCA */
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#define TXCA_INW(sc, reg) SR_INW(sc, sc->sc_txca+(reg))
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#define TXCA_OUTW(sc, reg, val) SR_OUTW(sc, sc->sc_txca+(reg), (val))
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/* macros to deal with the txbuffers */
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#define TXB_INB(sc, buf, reg) SR_INB(sc, (buf)+(reg))
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#define TXB_INW(sc, buf, reg) SR_INW(sc, (buf)+(reg))
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#define TXB_OUTB(sc, buf, reg, val) SR_OUTB(sc, (buf)+(reg), (val))
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#define TXB_OUTW(sc, buf, reg, val) SR_OUTW(sc, (buf)+(reg), (val))
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/* ACA registers */
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#define ACA_RRR 0
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#define ACA_RRR_e ACA_RRR
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#define ACA_RRR_o (ACA_RRR+1)
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#define ACA_WRBR 2
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#define ACA_WRBR_e ACA_WRBR
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#define ACA_WRBR_o (ACA_WRBR+1)
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#define ACA_WWOR 4
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#define ACA_WWOR_e ACA_WWOR
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#define ACA_WWOR_o (ACA_WWOR+1)
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#define ACA_WWCR 6
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#define ACA_WWCR_e ACA_WWCR
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#define ACA_WWCR_o (ACA_WWCR+1)
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#define ACA_ISRP 8
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#define ACA_ISRP_e ACA_ISRP
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#define ACA_ISRP_o (ACA_ISRP+1)
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#define ACA_ISRA 10
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#define ACA_ISRA_e ACA_ISRA
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#define ACA_ISRA_o (ACA_ISRA+1)
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#define ACA_TCR 12
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#define ACA_TCR_e ACA_TCR
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#define ACA_TCR_o (ACA_TCR+1)
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#define ACA_TVR 14
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#define ACA_TVR_e ACA_TVR
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#define ACA_TVR_o (ACA_TVR+1)
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/* access flags; to be or-ed into offset */
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#define ACA_RW 0
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#define ACA_RST 0x20
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#define ACA_SET 0x40
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/* offsets valid for all command blocks */
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#define CMD_CMD 0
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#define CMD_RETCODE 2
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/*
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* Structure of SSB (System Status Block)
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*/
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#define SSB_SIZE 20 /* size of SSB */
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#define SSB_CMD 0
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#define SSB_CMDCORR 1
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#define SSB_RETCODE 2
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#define SSB_STATIONID 4
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#define SSB_XMITERR 6
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/*
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* Structure of ARB (Adapter Request Block)
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*/
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#define ARB_SIZE 28 /* size of ARB */
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#define ARB_CMD 0
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#define ARB_STATIONID 4 /* ID of receiving station */
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/* receive data command block */
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#define ARB_RXD_BUFADDR 6 /* RAM offset of 1st rec buf */
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#define ARB_RXD_LANHDRLEN 8 /* Length of LAN header */
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#define ARB_RXD_DLCHDRLEN 9 /* Length of DLC header */
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#define ARB_RXD_FRAMELEN 10 /* Length of entire frame */
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#define ARB_RXD_MSGTYPE 12 /* Category of message */
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/* transmit data command block */
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#define ARB_XMT_CMDCORR 1
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#define ARB_XMT_DHBADDR 6
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/* ring status change information block */
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#define ARB_RINGSTATUS 6
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/* DLC status change response block */
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#define ARB_DLCSTAT_STATUS 6 /* status info field */
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#define ARB_DLCSTAT_FRMRDATA 8 /* 5 bytes */
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#define ARB_DLCSTAT_ACCPRIO 13
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#define ARB_DLCSTAT_REMADDR 14 /* remote address */
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#define ARB_DLCSTAT_REMSAP 20 /* remote sap */
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/*
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* Structure of SRB (System Request Block)
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*/
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#define SRB_SIZE 28 /* size of SRB */
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#define SRB_CMD 0
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#define SRB_RETCODE 2
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/* contents of SRB after adapter reset */
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#define INIT_COMPL 0x80 /* in SRB_CMD */
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#define SRB_INIT_STATUS 1
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#define RSP_DETECT 0x40
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#define FAST_PATH_TRANSMIT 0x20
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#define RING_MEASUREMENT 0x08
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#define RPL 0x02
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#define RSP_16 0x01
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#define SRB_INIT_STATUS2 2
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#define PNP 0x80
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#define SET_DEF_RSP 0x40
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#define AUTO_DEF_RSP_UPDATE 0x20
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#define SRB_INIT_BUC 6 /* bring up code */
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#define SRB_INIT_ENCADDR 8 /* offset of adapter's */
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/* permanent encoded address */
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#define SRB_INIT_LVLADDR 10 /* offset of adapter's */
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/* microcode level */
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#define SRB_INIT_ADAPADDR 12 /* offset of adapter addresses */
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#define SRB_INIT_PARMSADDR 14 /* offset of adapter parameters */
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#define SRB_INIT_MACADDR 16 /* offset of adapter MAC buffer */
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#define SRB_INIT_UTILADDR 18 /* offset of ring utilization measurement */
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/* config fast path ram command block */
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#define SRB_CFP_CMDSIZE 12 /* length of command block */
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#define SRB_CFP_RAMSIZE 8
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#define SRB_CFP_BUFSIZE 10
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/* config fast path transmit response block */
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#define SRB_CFPRESP_FPXMIT 8 /* offset to transmit control area */
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#define SRB_CFPRESP_SRBADDR 10 /* offset for the next SRB address */
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/* open command block */
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#define SRB_OPEN_CMDSIZE 60
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#define SRB_OPEN_OPTIONS 8 /* open options */
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#define SRB_OPEN_NODEADDR 10 /* adapter's ring address */
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#define SRB_OPEN_GROUPADDR 16 /* adapter's group address */
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#define SRB_OPEN_FUNCTADDR 20 /* adapter's functional address */
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#define SRB_OPEN_NUMRCVBUF 24 /* number of receive buffers */
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#define SRB_OPEN_RCVBUFLEN 26 /* length of receive buffers */
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#define SRB_OPEN_DHBLEN 28 /* length of DHBs */
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#define SRB_OPEN_NUMDHB 30 /* number of DHBs */
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#define SRB_OPEN_DLCMAXSAP 32 /* max. number of SAPs */
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#define SRB_OPEN_DLCMAXSTA 33 /* max. number of link stations */
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#define SRB_OPEN_DLCMAXGSAP 34 /* max. number of group SAPs */
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#define SRB_OPEN_DLCMAXGMEM 35 /* max. members per group SAP */
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#define SRB_OPEN_DLCT1TICK1 36 /* timer T1 intvl. group one */
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#define SRB_OPEN_DLCT2TICK1 37 /* timer T7 intvl. group one */
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#define SRB_OPEN_DLCTITICK1 38 /* timer Ti intvl. group one */
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#define SRB_OPEN_DLCT1TICK2 39 /* timer T1 intvl. group two */
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#define SRB_OPEN_DLCT2TICK2 40 /* timer T7 intvl. group two */
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#define SRB_OPEN_DLCTITICK2 41 /* timer Ti intvl. group two */
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#define SRB_OPEN_PODUCTID 42 /* product id (18 bytes) */
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/* open command response block */
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#define SRB_OPENRESP_ERRCODE 6
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#define SRB_OPENRESP_ASBADDR 8 /* offset of ASB */
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#define SRB_OPENRESP_SRBADDR 10 /* offset of SRB */
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#define SRB_OPENRESP_ARBADDR 12 /* offset of ARB */
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#define SRB_OPENRESP_SSBADDR 14 /* offset of SSB */
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/* open sap command and response block */
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#define SRB_OPNSAP_STATIONID 4 /* ID of SAP after open */
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#define SRB_OPNSAP_TIMERT1 6 /* response timer */
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#define SRB_OPNSAP_TIMERT2 7 /* acknowledge timer */
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#define SRB_OPNSAP_TIMERTI 8 /* inactivity timer */
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#define SRB_OPNSAP_MAXOUT 9 /* max. xmits without ack */
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#define SRB_OPNSAP_MAXIN 10 /* max. recvs without ack */
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#define SRB_OPNSAP_MAXOUTINCR 11 /* window increment value */
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#define SRB_OPNSAP_MAXRETRY 12 /* N2 value */
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#define SRB_OPNSAP_GSAPMAXMEMB 13 /* max. SAPs for a group SAP */
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#define SRB_OPNSAP_MAXIFIELD 14 /* max recv info field length */
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#define SRB_OPNSAP_SAPVALUE 16 /* SAP to be opened */
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#define SRB_OPNSAP_SAPOPTIONS 17 /* options to be set */
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#define SRB_OPNSAP_STATIONCNT 18 /* num of link stations to reserve */
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#define SRB_OPNSAP_SAPGSAPMEMB 19 /* number of GSAP members */
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#define SRB_OPNSAP_GSAP1 20 /* first gsap request */
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/* read log command and response block */
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#define SRB_RLOG_LOGDATA 14 /* 14 bytes of log data */
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#define SRB_LOG_LINEERRS (SRB_RLOG_LOGDATA+0) /* line errors */
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#define SRB_LOG_INTERRS (SRB_RLOG_LOGDATA+1) /* internal errors */
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#define SRB_LOG_BRSTERRS (SRB_RLOG_LOGDATA+2) /* burst errors */
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#define SRB_LOG_ACERRS (SRB_RLOG_LOGDATA+3) /* AC errors */
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#define SRB_LOG_ABRTERRS (SRB_RLOG_LOGDATA+4) /* abort errors */
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#define SRB_LOG_LOSTFRMS (SRB_RLOG_LOGDATA+6) /* lost frames */
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#define SRB_LOG_RCVCONG (SRB_RLOG_LOGDATA+7) /* receive congestion count */
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#define SRB_LOG_FCPYERRS (SRB_RLOG_LOGDATA+8) /* frame copied errors */
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#define SRB_LOG_FREQERRS (SRB_RLOG_LOGDATA+9) /* frequency erros */
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#define SRB_LOG_TOKENERRS (SRB_RLOG_LOGDATA+10) /* token errors */
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/* set default ring speed command */
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#define SRB_SET_DEFRSP 6
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/*
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* Structure of ASB (Adapter Status Block)
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*/
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#define ASB_SIZE 12 /* size of ASB */
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#define RECV_CMD 0
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#define RECV_RETCODE 2
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#define RECV_STATIONID 4
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#define RECV_RESP_RECBUFADDR 6
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/* host response to xmit-req-data command */
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#define XMIT_CMD 0
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#define XMIT_CMDCORR 1 /* command correlator */
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#define XMIT_RETCODE 2 /* return code */
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#define XMIT_STATIONID 4 /* id of sending station */
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#define XMIT_FRAMELEN 6 /* length of entire frame */
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#define XMIT_HDRLEN 8 /* length of LAN header */
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#define XMIT_REMSAP 9 /* remote SAP */
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#define XMIT_DATA 10 /* offset of first data byte */
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/* fast path specific data */
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#define XMIT_LASTBUF 12
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#define XMIT_FRAMEPTR 14
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#define XMIT_NEXTBUF 16
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#define XMIT_STATUS 18
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#define XMIT_STRIPFS 19
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#define XMIT_BUFLEN 20
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#define XMIT_FP_DATA 22 /* offset of first data byte */
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#if 0 /* XXXchb unused? */
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/*
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* Adapter addresses
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*/
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struct adapt_addr {
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unsigned char node_addr[6]; /* Adapter node address */
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unsigned char grp_addr[4]; /* Adapter group address */
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unsigned char func_addr[4]; /* Adapter functional address */
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};
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/*
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* Adapter parameters
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*/
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struct param_addr {
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unsigned char phys_addr[4]; /* Adapter physical address */
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unsigned char up_node_addr[6]; /* Next active upstream node
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* addr */
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unsigned char up_phys_addr[4]; /* Next active upstream phys
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* addr */
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unsigned char poll_addr[6]; /* Last poll address */
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unsigned char res0[2];/* Reserved */
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unsigned char acc_priority[2]; /* Transmit access priority */
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unsigned char src_class[2]; /* Source class authorization */
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unsigned char att_code[2]; /* Last attention code */
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unsigned char src_addr[6]; /* Last source address */
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unsigned char bcon_type[2]; /* Last beacon type */
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unsigned char major_vector[2]; /* Last major vector */
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unsigned char ring_stat[2]; /* ring status */
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unsigned char soft_error[2]; /* soft error timer value */
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unsigned char fe_error[2]; /* front end error counter */
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unsigned char next_state[2]; /* next state indicator */
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unsigned char mon_error[2]; /* Monitor error code */
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unsigned char bcon_xmit[2]; /* Beacon transmit type */
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unsigned char bcon_receive[2]; /* Beacon receive type */
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unsigned char frame_correl[2]; /* Frame correlator save */
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unsigned char bcon_naun[6]; /* beacon station NAUN */
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unsigned char res1[4];/* Reserved */
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unsigned char bcon_phys[4]; /* Beacon station physical addr */
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};
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#endif
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#define TXCA_BUFFER_COUNT 0
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#define TXCA_FREE_QUEUE_HEAD 2
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#define TXCA_FREE_QUEUE_TAIL 4
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#define TXCA_ADAPTER_QUEUE_HEAD 6
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#define TXCA_BUFFER_SIZE 8
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#define TXCA_COMPLETION_QUEUE_TAIL 10
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/* Adapter receive buffer structure */
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#define RB_NEXTBUF 2 /* offset of next buf plus 2 in sram */
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#define RB_FS 5 /* FS/addr match (last buf only) */
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#define RB_BUFLEN 6 /* length of data in this buffer */
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#define RB_DATA 8 /* RCV_BUF_DLEN bytes frame data */
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/* Misc. structure sizes. */
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#define SAPCB_SIZE 64 /* size of SAP control block */
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#define LSCB_SIZE 144 /* size of DLC link station control block */
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/* memory in shared ram area that is reserved by the adapter */
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#define PRIVRAM_SIZE 1416 /* adapter private ram area */
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#define RESVDMEM_SIZE (PRIVRAM_SIZE+ARB_SIZE+SSB_SIZE+SRB_SIZE+ASB_SIZE)
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/* Memory offsets of adapter control areas */
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#define TR_SRAM_DEFAULT 0xd8000
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/* Offset of MMIO region */
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#define TR_MMIO_OFFSET 0x80000
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#define TR_MMIO_MINADDR 0xc0000
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#define TR_MMIO_MAXADDR 0xde000
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#define TR_MMIO_SIZE 8192
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#define TR_ACA_OFFSET 0x1e00 /* Offset of ACA in MMIO region */
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/*
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* XXX Create AIP structure
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*/
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#define TR_MAC_OFFSET 0x1f00 /* Offset of MAC address in MMIO region */
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#define TR_ID_OFFSET 0x1f30 /* Offset of ID in MMIO region */
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#define TR_TYP_OFFSET 0x1fa0 /* Offset of TYP in MMIO region */
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#define TR_RATES_OFFSET 0x1fa2 /* Offset of supported speeds in MMIO region */
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#define TR_RAM_OFFSET 0x1fa6 /* Offset of available shared RAM */
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#define TR_PAGE_OFFSET 0x1fa8 /* Offset of shared-RAM paging support */
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#define TR_DHB4_OFFSET 0x1faa /* Offset of available DHB size at 4Mbit */
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#define TR_DHB16_OFFSET 0x1fac /* Offset of available DHB size at 16Mbit */
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#define TR_MEDIAS_OFFSET 0x1fb6 /* Offset of supported media types in MMIO */
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#define TR_MEDIA_OFFSET 0x1fb8 /* Offset of selected media type in MMIO */
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#define TR_IRQ_OFFSET 0x1fba /* Offset of IRQs supported in MMIO region */
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/* Bring-Up Test results */
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#define BUT_OK 0x0000 /* Initialization completed OK */
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#define BUT_PROCESSOR_FAIL 0x0020 /* Failed processor initialization */
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#define BUT_ROM_FAIL 0x0022 /* Failed ROM test diagnostic */
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#define BUT_RAM_FAIL 0x0024 /* Failed RAM test diagnostic */
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#define BUT_INST_FAIL 0x0026 /* Failed instruction test diag. */
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#define BUT_INTER_FAIL 0x0028 /* Failed interrupt test diagnostic */
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#define BUT_MEM_FAIL 0x002a /* Failed memory interface diag. */
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#define BUT_PROTOCOL_FAIL 0x002c /* Failed protocol handler diag. */
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/* Direct PC-to-adapter commands */
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#define DIR_INTERRUPT 0x00 /* Cause adapter to interrupt the PC */
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#define DIR_MOD_OPEN_PARAMS 0x01 /* Modify open options */
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#define DIR_RESTORE_OPEN_PARMS 0x02 /* Restore open options */
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#define DIR_OPEN_ADAPTER 0x03 /* Open the adapter card */
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#define DIR_CLOSE 0x04 /* Close adapter card */
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#define DIR_SET_GRP_ADDR 0x06 /* Set adapter group address */
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#define DIR_SET_FUNC_ADDR 0x07 /* Set adapter functional addr */
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#define DIR_READ_LOG 0x08 /* Read and reset error counters */
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#define DIR_SET_BRIDGE_PARMS 0x09
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#define DIR_CONFIG_BRIDGE_RAM 0x0c
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#define DIR_CONFIG_FAST_PATH_RAM 0x12
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#define DIR_SINGLE_ROUTE_BROADCAST 0x1f
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#define DIR_SET_DEFAULT_RING_SPEED 0x21
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#define XMIT_DIR_FRAME 0x0a /* Direct station transmit */
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#define XMIT_I_FRAME 0x0b
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#define XMIT_UI_FRM 0x0d /* transmit unnumbered info frame */
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#define XMIT_XID_CMD 0x0e /* transmit XID command */
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#define XMIT_XID_RESP_FINAL 0x0f
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#define XMIT_XID_RESP_NOT_FINAL 0x10
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#define XMIT_TEST_CMD 0x11 /* transmit TEST command */
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/* Adapter-Card-to-PC commands */
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#define REC_DATA 0x81 /* Data received from ring station */
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#define XMIT_DATA_REQ 0x82 /* Adapter needs data to xmit */
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#define DLC_STATUS 0x83 /* DLC status has changed */
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#define RING_STAT_CHANGE 0x84 /* Adapter has new ring-status info */
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#define REC_BRIDGE_DATA 0x85
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#define REXMIT_DATA_REQ 0x86
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/* Open options */
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#define OPEN_WRAP 0x8000 /* Wrap xmit data to receive data */
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#define OPEN_NO_HARD_ERR 0x4000 /* Ring hard error and xmit beacon */
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/* conditions do not cause interrupt */
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#define OPEN_NO_SOFT_ERR 0x2000 /* Ring soft errors do not cause */
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/* interrupt */
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#define OPEN_PASS_MAC 0x1000 /* Pass all adapter-class MAC frames */
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/* received but not supported by the */
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/* adapter */
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#define OPEN_PASS_ATTN_MAC 0x0800 /* Pass all attention-class MAC */
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/* frames != the previously received */
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/* attention MAC frame */
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#define OPEN_PASS_BCON_MAC 0x0100 /* Pass the first beacon MAC frame */
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/* and all subsequent beacon MAC */
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/* frames that have a change in */
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/* source address or beacon type */
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#define OPEN_CONT 0x0080 /* Adapter will participate in */
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/* monitor contention */
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#define NUM_RCV_BUF 4 /* Number of receive buffers in */
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/* shared RAM needed for adapter to */
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/* open */
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#define RCV_BUF_LEN 520 /* Length of each receive buffer */
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#define RCV_BUF_DLEN RCV_BUF_LEN - 8 /* Length of data in rec buf */
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#define DHB_LENGTH 512 /* Length of each transmit buffer */
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#define FP_BUF_LEN 536 /* length of each FP transmit buffer */
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/*
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* Integrity cannot be guaranteed if number of dhbs > 2
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*/
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#define NUM_DHB 1 /* Number of transmit buffers */
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#define DLC_MAX_SAP 0 /* MAX number of SAPs */
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#define DLC_MAX_STA 0 /* MAX number of link stations */
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#define DLC_MAX_GSAP 0 /* MAX number of group SAPs */
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#define DLC_MAX_GMEM 0 /* MAX number of SAPs that can be */
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/* assigned to any given group */
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#define DLC_TICK 0 /* Zero selects default of 40ms */
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/* Open return codes */
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#define OPEN_OK 0x00 /* Open completed successfully */
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#define OPEN_BAD_COMMAND 0x01 /* Invalid command code */
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#define OPEN_ALREADY 0x03 /* Adapter is ALREADY open */
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#define OPEN_MISSING_PARAMS 0x05 /* Required parameters missing */
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#define OPEN_UNRECOV_FAIL 0x07 /* Unrecoverable failure occurred */
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#define OPEN_INAD_REC_BUFS 0x30 /* Inadequate receive buffers */
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#define OPEN_BAD_NODE_ADDR 0x32 /* Invalid NODE address */
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#define OPEN_BAD_REC_BUF_LEN 0x33 /* Invalid receive buffer length */
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#define OPEN_BAD_XMIT_BUF_LEN 0x43 /* Invalid transmit buffer length */
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/* Bit definitions of ISRA High Byte, (Adapter Status) */
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#define PARITY_ERROR 0x80 /* Parity error on the adapter's internal bus */
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#define TIMER_STAT 0x40 /* A Timer Control Reg. has an interrupt */
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#define ACCESS_STAT 0x20 /* Shared RAM or MMIO access violation */
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#define DEADMAN_TIMER 0x10 /* The deadman timer has expired */
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#define PROCESSOR_CK 0x08 /* Adapter Processor Check */
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#define H_INT_MASK 0x02 /* When on, no adapter hardware interrupts */
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#define S_INT_MASK 0x01 /* When on, no adapter software interrupts */
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/* Bit definitions of ISRA Low Byte, (Used by PC to interrupt adapter) */
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#define XMIT_REQ 0x40 /* Transmit frame in fast path transmit buf */
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#define CMD_IN_SRB 0x20 /* Inform adapter of command in SRB */
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#define RESP_IN_ASB 0x10 /* Inform adapter of response in ASB */
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#define SRB_FREE 0x08 /* Inform PC when SRB is FREE */
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#define ASB_FREE 0x04 /* Inform PC when ASB is FREE */
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#define ARB_FREE 0x02 /* Inform adapter ARB is FREE */
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#define SSB_FREE 0x01 /* Inform adapter SSB is FREE */
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/* Bit definitions of ISRP High Byte, (PC interrupts and interrupt control) */
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#define NMI_INT_CTL 0x80 /* 1 = all interrupts to PC interrupt level */
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/* 0 = error and timer interrupts to PC NMI */
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#define INT_ENABLE 0x40 /* Allow adapter to interrupt the PC */
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#define TCR_INT 0x10 /* Timer Control Reg. has interrupt for PC */
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#define ERR_INT 0x08 /* Adap machine check, deadman timer, overrun */
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#define ACCESS_INT 0x04 /* Shared RAM or MMIO access violation */
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#define SHARED_INT_BLK 0x02 /* Shared interrupt blocked */
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#define PRIM_ALT_ADDR 0x01 /* 0 = primary adapter address */
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/* 1 = alternate adapter address */
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/* Bit definitions of ISRP Low Byte, (PC interrupts) */
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#define ADAP_CHK_INT 0x40 /* The adapter has an unrecoverable error */
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#define SRB_RESP_INT 0x20 /* Adapter has placed a response in the SRB */
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#define ASB_FREE_INT 0x10 /* Adapter has read response in ARB */
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#define ARB_CMD_INT 0x08 /* ARB has command for PC to act on */
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#define SSB_RESP_INT 0x04 /* SSB has response to previous SRB command */
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#define XMIT_COMPLETE 0x02 /* Fast path transmit frame complete */
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/* Constants for Token-Ring physical header */
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#define DLC_HDR_LEN 0x3 /* Length of DLC header */
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#define SNAP_LENGTH 0x05 /* SNAP field length */
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/* protocol id = 3 bytes */
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/* ethertype = 2 bytes */
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#define HDR_LNGTH_NOROUTE 14 /* length of header with no route info */
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#define SKIP_DSAP_SSAP 0x02 /* length of dsap and ssap in llc frame */
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#define TR_MAX_LINK_HDR 46 /* max length of link header with route info */
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/* SAP DLC SRB commands (page 6-50 Token Ring Tech. Ref.) */
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#define DLC_RESET 0x14
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#define DLC_OPEN_SAP 0x15 /* activate service access point */
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#define DLC_CLOSE_SAP 0x16 /* de-activate SAP */
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#define DLC_REALLOCATE 0x17
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#define DLC_OPEN_STATION 0x19
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#define DLC_CLOSE_STATION 0x1a
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#define DLC_CONNECT_STATION 0x1b
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#define DLC_MODIFY 0x1c
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#define DLC_FLOW_CONTROL 0x1d
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#define DLC_STATISTICS 0x1e
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/* ARB RING STATUS CHANGE */
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#define SIGNAL_LOSS 0x8000 /* signal loss */
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#define HARD_ERR 0x4000 /* beacon frames sent */
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#define SOFT_ERR 0x2000 /* soft error */
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#define LOBE_FAULT 0x0800 /* lobe wire fault */
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#define LOG_OFLOW 0x0080 /* adapter error log counter overflow */
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#define SINGLE_STATION 0x0040 /* single station on ring */
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