1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | /* $NetBSD: lance.h,v 1.2 2008/12/14 18:46:33 christos Exp $ */ /* * source in this file came from * the Mach ethernet boot written by Leendert van Doorn. */ /* RAP functions as a select for RDP */ #define RDP_CSR0 0 #define RDP_CSR1 1 #define RDP_CSR2 2 #define RDP_CSR3 3 /* contents of csr0 */ #define CSR_ERR 0x8000 #define CSR_BABL 0x4000 #define CSR_CERR 0x2000 #define CSR_MISS 0x1000 #define CSR_MERR 0x0800 #define CSR_RINT 0x0400 #define CSR_TINT 0x0200 #define CSR_IDON 0x0100 #define CSR_INTR 0x0080 #define CSR_INEA 0x0040 #define CSR_RXON 0x0020 #define CSR_TXON 0x0010 #define CSR_TDMD 0x0008 #define CSR_STOP 0x0004 #define CSR_STRT 0x0002 #define CSR_INIT 0x0001 /* csr1 contains low 16 bits of address of Initialization Block */ /* csr2 contains in low byte high 8 bits of address of InitBlock */ /* contents of csr3 */ #define CSR3_BSWP 0x04 /* byte swap (for big endian) */ #define CSR3_ACON 0x02 /* ALE control */ #define CSR3_BCON 0x01 /* byte control */ /* * The initialization block */ typedef struct { u_short ib_mode; /* modebits, see below */ char ib_padr[6]; /* physical 48bit Ether-address */ u_short ib_ladrf[4]; /* 64bit hashtable for "logical" addresses */ u_short ib_rdralow; /* low 16 bits of Receiver Descr. Ring addr */ u_char ib_rdrahigh; /* high 8 bits of Receiver Descr. Ring addr */ u_char ib_rlen; /* upper 3 bits are 2log Rec. Ring Length */ u_short ib_tdralow; /* low 16 bits of Transm. Descr. Ring addr */ u_char ib_tdrahigh; /* high 8 bits of Transm. Descr. Ring addr */ u_char ib_tlen; /* upper 3 bits are 2log Transm. Ring Length */ } initblock_t; /* bits in mode */ #define IB_PROM 0x8000 #define IB_INTL 0x0040 #define IB_DRTY 0x0020 #define IB_COLL 0x0010 #define IB_DTCR 0x0008 #define IB_LOOP 0x0004 #define IB_DTX 0x0002 #define IB_DRX 0x0001 /* * A receive message descriptor entry */ typedef struct { u_short rmd_ladr; /* low 16 bits of bufaddr */ char rmd_hadr; /* high 8 bits of bufaddr */ char rmd_flags; /* see below */ short rmd_bcnt; /* two's complement of buffer byte count */ u_short rmd_mcnt; /* message byte count */ } rmde_t; /* bits in flags */ #define RMD_OWN 0x80 #define RMD_ERR 0x40 #define RMD_FRAM 0x20 #define RMD_OFLO 0x10 #define RMD_CRC 0x08 #define RMD_BUFF 0x04 #define RMD_STP 0x02 #define RMD_ENP 0x01 /* * A transmit message descriptor entry */ typedef struct { u_short tmd_ladr; /* low 16 bits of bufaddr */ u_char tmd_hadr; /* high 8 bits of bufaddr */ u_char tmd_flags; /* see below */ short tmd_bcnt; /* two's complement of buffer byte count */ u_short tmd_err; /* more error bits + TDR */ } tmde_t; /* bits in flags */ #define TMD_OWN 0x80 #define TMD_ERR 0x40 #define TMD_MORE 0x10 #define TMD_ONE 0x08 #define TMD_DEF 0x04 #define TMD_STP 0x02 #define TMD_ENP 0x01 /* bits in tmd_err */ #define TMDE_BUFF 0x8000 #define TMDE_UFLO 0x4000 #define TMDE_LCOL 0x1000 #define TMDE_LCAR 0x0800 #define TMDE_RTRY 0x0400 #define TMDE_TDR 0x003F /* mask for TDR */ |