1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)if_ilreg.h 7.3 (Berkeley) 06/28/90 8 */ 9 10 /* 11 * Interlan Ethernet Communications Controller interface 12 */ 13 struct ildevice { 14 short il_csr; /* Command and Status Register */ 15 short il_bar; /* Buffer Address Register */ 16 short il_bcr; /* Byte Count Register */ 17 }; 18 19 /* 20 * Command and status bits 21 */ 22 #define IL_EUA 0xc000 /* Extended Unibus Address */ 23 #define IL_CMD 0x3f00 /* Command Function Code */ 24 #define IL_CDONE 0x0080 /* Command Done */ 25 #define IL_CIE 0x0040 /* Command Interrupt Enable */ 26 #define IL_RDONE 0x0020 /* Receive DMA Done */ 27 #define IL_RIE 0x0010 /* Receive Interrupt Enable */ 28 #define IL_STATUS 0x000f /* Command Status Code */ 29 30 #define IL_BITS "\20\10CDONE\7CIE\6RDONE\5RIE" 31 32 /* command definitions */ 33 #define ILC_MLPBAK 0x0100 /* Set Module Interface Loopback Mode */ 34 #define ILC_ILPBAK 0x0200 /* Set Internal Loopback Mode */ 35 #define ILC_CLPBAK 0x0300 /* Clear Loopback Mode */ 36 #define ILC_PRMSC 0x0400 /* Set Promiscuous Receive Mode */ 37 #define ILC_CLPRMSC 0x0500 /* Clear Promiscuous Receive Mode */ 38 #define ILC_RCVERR 0x0600 /* Set Receive-On-Error Bit */ 39 #define ILC_CRCVERR 0x0700 /* Clear Receive-On-Error Bit */ 40 #define ILC_OFFLINE 0x0800 /* Go Offline */ 41 #define ILC_ONLINE 0x0900 /* Go Online */ 42 #define ILC_DIAG 0x0a00 /* Run On-board Diagnostics */ 43 #define ILC_ISA 0x0d00 /* Set Insert Source Address Mode */ 44 #define ILC_CISA 0x0e00 /* Clear Insert Source Address Mode */ 45 #define ILC_DEFPA 0x0f00 /* Set Physical Address to Default */ 46 #define ILC_ALLMC 0x1000 /* Set Receive All Multicast Packets */ 47 #define ILC_CALLMC 0x1100 /* Clear Receive All Multicast */ 48 #define ILC_STAT 0x1800 /* Report and Reset Statistics */ 49 #define ILC_DELAYS 0x1900 /* Report Collision Delay Times */ 50 #define ILC_RCV 0x2000 /* Supply Receive Buffer */ 51 #define ILC_LDXMIT 0x2800 /* Load Transmit Data */ 52 #define ILC_XMIT 0x2900 /* Load Transmit Data and Send */ 53 #define ILC_LDGRPS 0x2a00 /* Load Group Addresses */ 54 #define ILC_RMGRPS 0x2b00 /* Delete Group Addresses */ 55 #define ILC_LDPA 0x2c00 /* Load Physical Address */ 56 #define ILC_FLUSH 0x3000 /* Flush Receive BAR/BCR Queue */ 57 #define ILC_RESET 0x3f00 /* Reset */ 58 59 /* 60 * Error codes found in the status bits of the csr. 61 */ 62 #define ILERR_SUCCESS 0 /* command successful */ 63 #define ILERR_RETRIES 1 /* " " with retries */ 64 #define ILERR_BADCMD 2 /* illegal command */ 65 #define ILERR_INVCMD 3 /* invalid command */ 66 #define ILERR_RECVERR 4 /* receiver error */ 67 #define ILERR_BUFSIZ 5 /* buffer size too big */ 68 #define ILERR_FRAMESIZ 6 /* frame size too small */ 69 #define ILERR_COLLISIONS 8 /* excessive collisions */ 70 #define ILERR_BUFALIGNMENT 10 /* buffer not word aligned */ 71 #define ILERR_NXM 15 /* non-existent memory */ 72 73 #define NILERRS 16 74 #ifdef ILERRS 75 char *ilerrs[NILERRS] = { 76 "success", /* 0 */ 77 "success with retries", /* 1 */ 78 "illegal command", /* 2 */ 79 "inappropriate command", /* 3 */ 80 "failure", /* 4 */ 81 "buffer size exceeded", /* 5 */ 82 "frame too small", /* 6 */ 83 0, /* 7 */ 84 "excessive collisions", /* 8 */ 85 0, /* 9 */ 86 "buffer alignment error", /* 10 */ 87 0, /* 11 */ 88 0, /* 12 */ 89 0, /* 13 */ 90 0, /* 14 */ 91 "non-existent memory" /* 15 */ 92 }; 93 #endif 94 95 /* 96 * Diagnostics codes. 97 */ 98 #define ILDIAG_SUCCESS 0 /* no problems */ 99 #define ILDIAG_CHKSUMERR 1 /* ROM/RAM checksum error */ 100 #define ILDIAG_DMAERR 2 /* DMA not working */ 101 #define ILDIAG_XMITERR 3 /* xmit circuitry failure */ 102 #define ILDIAG_RECVERR 4 /* rcvr circuitry failure */ 103 #define ILDIAG_LOOPBACK 5 /* loopback test failed */ 104 105 #define NILDIAGS 6 106 #ifdef ILDIAGS 107 char *ildiag[NILDIAGS] = { 108 "success", /* 0 */ 109 "checksum error", /* 1 */ 110 "NM10 dma error", /* 2 */ 111 "transmitter error", /* 3 */ 112 "receiver error", /* 4 */ 113 "loopback failure", /* 5 */ 114 }; 115 #endif 116 117 /* 118 * Frame status bits, returned in frame status byte 119 * at the top of each received packet. 120 */ 121 #define ILFSTAT_C 0x1 /* CRC error */ 122 #define ILFSTAT_A 0x2 /* alignment error */ 123 #define ILFSTAT_L 0x4 /* 1+ frames lost just before */ 124