usr/src/sys/vaxif/if_ilreg.h

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)if_ilreg.h  7.3 (Berkeley) 6/28/90
 */

/*
 * Interlan Ethernet Communications Controller interface
 */
struct ildevice {
        short   il_csr;         /* Command and Status Register */
        short   il_bar;         /* Buffer Address Register */
        short   il_bcr;         /* Byte Count Register */
};

/*
 * Command and status bits
 */
#define IL_EUA          0xc000          /* Extended Unibus Address */
#define IL_CMD          0x3f00          /* Command Function Code */
#define IL_CDONE        0x0080          /* Command Done */
#define IL_CIE          0x0040          /* Command Interrupt Enable */
#define IL_RDONE        0x0020          /* Receive DMA Done */
#define IL_RIE          0x0010          /* Receive Interrupt Enable */
#define IL_STATUS       0x000f          /* Command Status Code */

#define IL_BITS         "\20\10CDONE\7CIE\6RDONE\5RIE"

/* command definitions */
#define ILC_MLPBAK      0x0100          /* Set Module Interface Loopback Mode */
#define ILC_ILPBAK      0x0200          /* Set Internal Loopback Mode */
#define ILC_CLPBAK      0x0300          /* Clear Loopback Mode */
#define ILC_PRMSC       0x0400          /* Set Promiscuous Receive Mode */
#define ILC_CLPRMSC     0x0500          /* Clear Promiscuous Receive Mode */
#define ILC_RCVERR      0x0600          /* Set Receive-On-Error Bit */
#define ILC_CRCVERR     0x0700          /* Clear Receive-On-Error Bit */
#define ILC_OFFLINE     0x0800          /* Go Offline */
#define ILC_ONLINE      0x0900          /* Go Online */
#define ILC_DIAG        0x0a00          /* Run On-board Diagnostics */
#define ILC_ISA         0x0d00          /* Set Insert Source Address Mode */
#define ILC_CISA        0x0e00          /* Clear Insert Source Address Mode */
#define ILC_DEFPA       0x0f00          /* Set Physical Address to Default */
#define ILC_ALLMC       0x1000          /* Set Receive All Multicast Packets */
#define ILC_CALLMC      0x1100          /* Clear Receive All Multicast */
#define ILC_STAT        0x1800          /* Report and Reset Statistics */
#define ILC_DELAYS      0x1900          /* Report Collision Delay Times */
#define ILC_RCV         0x2000          /* Supply Receive Buffer */
#define ILC_LDXMIT      0x2800          /* Load Transmit Data */
#define ILC_XMIT        0x2900          /* Load Transmit Data and Send */
#define ILC_LDGRPS      0x2a00          /* Load Group Addresses */
#define ILC_RMGRPS      0x2b00          /* Delete Group Addresses */
#define ILC_LDPA        0x2c00          /* Load Physical Address */
#define ILC_FLUSH       0x3000          /* Flush Receive BAR/BCR Queue */
#define ILC_RESET       0x3f00          /* Reset */

/*
 * Error codes found in the status bits of the csr.
 */
#define ILERR_SUCCESS           0       /* command successful */
#define ILERR_RETRIES           1       /* " " with retries */
#define ILERR_BADCMD            2       /* illegal command */
#define ILERR_INVCMD            3       /* invalid command */
#define ILERR_RECVERR           4       /* receiver error */
#define ILERR_BUFSIZ            5       /* buffer size too big */
#define ILERR_FRAMESIZ          6       /* frame size too small */
#define ILERR_COLLISIONS        8       /* excessive collisions */
#define ILERR_BUFALIGNMENT      10      /* buffer not word aligned */
#define ILERR_NXM               15      /* non-existent memory */

#define NILERRS                 16
#ifdef ILERRS
char *ilerrs[NILERRS] = {
        "success",                      /*  0 */
        "success with retries",         /*  1 */
        "illegal command",              /*  2 */
        "inappropriate command",        /*  3 */
        "failure",                      /*  4 */
        "buffer size exceeded",         /*  5 */
        "frame too small",              /*  6 */
        0,                              /*  7 */
        "excessive collisions",         /*  8 */
        0,                              /*  9 */
        "buffer alignment error",       /* 10 */
        0,                              /* 11 */
        0,                              /* 12 */
        0,                              /* 13 */
        0,                              /* 14 */
        "non-existent memory"           /* 15 */
};
#endif

/*
 * Diagnostics codes.
 */
#define ILDIAG_SUCCESS          0       /* no problems */
#define ILDIAG_CHKSUMERR        1       /* ROM/RAM checksum error */
#define ILDIAG_DMAERR           2       /* DMA not working */
#define ILDIAG_XMITERR          3       /* xmit circuitry failure */
#define ILDIAG_RECVERR          4       /* rcvr circuitry failure */
#define ILDIAG_LOOPBACK         5       /* loopback test failed */

#define NILDIAGS                6
#ifdef ILDIAGS
char *ildiag[NILDIAGS] = {
        "success",                      /* 0 */
        "checksum error",               /* 1 */
        "NM10 dma error",               /* 2 */
        "transmitter error",            /* 3 */
        "receiver error",               /* 4 */
        "loopback failure",             /* 5 */
};
#endif

/*
 * Frame status bits, returned in frame status byte
 * at the top of each received packet.
 */
#define ILFSTAT_C       0x1             /* CRC error */
#define ILFSTAT_A       0x2             /* alignment error */
#define ILFSTAT_L       0x4             /* 1+ frames lost just before */