| 1 | /* |
| 2 | * Copyright (c) 1982 Regents of the University of California. |
| 3 | * All rights reserved. The Berkeley software License Agreement |
| 4 | * specifies the terms and conditions for redistribution. |
| 5 | * |
| 6 | * @(#)if_vv.h 4.8 (Berkeley) %G% |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * ECO 176-748 changed the braodcast address from 0 to 0xff, at |
| 11 | * CTL (p1002) serial number around 150. |
| 12 | * It was implemented in August, 1982. This is a field-installable ECO, |
| 13 | * which improves net reliability. If the broadcast address has not been |
| 14 | * changed, comment out the following line. |
| 15 | */ |
| 16 | #define NEW_BROADCAST /* new chip for broadcast problem */ |
| 17 | |
| 18 | /* |
| 19 | * Local network header for proNET Ring |
| 20 | * This is arbitrated by "jas@proteon" |
| 21 | * (aka John Shriver, 617-655-3340) |
| 22 | */ |
| 23 | |
| 24 | struct vv_header { |
| 25 | /* the first two fields are required by the hardware */ |
| 26 | u_char vh_dhost; /* destination address */ |
| 27 | u_char vh_shost; /* source address */ |
| 28 | /* the next three fields are the local network header */ |
| 29 | u_char vh_version; /* header version */ |
| 30 | u_char vh_type; /* packet type => protocol number */ |
| 31 | short vh_info; /* protocol-specific information */ |
| 32 | }; |
| 33 | |
| 34 | #define RING_VERSION 2 /* current version of v2lni header */ |
| 35 | |
| 36 | /* |
| 37 | * Packet types (protocol numbers) in proNET protocol header |
| 38 | * Other types are defined, but are proprietary. |
| 39 | */ |
| 40 | #define RING_IP 1 |
| 41 | #define RING_IPTrailer 2 /* really, 3 = 512 bytes */ |
| 42 | /* 4 = 1024 bytes */ |
| 43 | /* 5 = 1536 bytes */ |
| 44 | /* it's really very messed-up! */ |
| 45 | #define RING_IPNTrailer 4 /* not a number, but a range */ |
| 46 | #define RING_ARP 3 /* the next three conflict with trailers */ |
| 47 | #define RING_HDLC 4 |
| 48 | #define RING_VAXDB 5 |
| 49 | #define RING_RINGWAY 6 |
| 50 | #define RING_RINGWAYM 8 |
| 51 | #define RING_NOVELL 10 |
| 52 | #define RING_PUP 12 |
| 53 | #define RING_XNS 14 |
| 54 | #define RING_DIAGNOSTICS 15 /* protocol type for testing */ |
| 55 | #define RING_ECHO 16 |
| 56 | |
| 57 | #ifdef NEW_BROADCAST |
| 58 | #define VV_BROADCAST 0xff /* hardware-defined broadcast address */ |
| 59 | #else |
| 60 | #define VV_BROADCAST 0x00 /* hardware-defined broadcast address */ |
| 61 | #endif |
| 62 | |
| 63 | /* |
| 64 | * Proteon proNET Hardware definitions |
| 65 | * register bit definitions |
| 66 | */ |
| 67 | #define VV_ENB 01 /* Enable Operation */ |
| 68 | #define VV_DEN 02 /* Enable DMA */ |
| 69 | #define VV_HEN 04 /* Host Relay Enable (Rcv) */ |
| 70 | #define VV_CPB 04 /* Clear Packet Buffer (Xmit) */ |
| 71 | #define VV_STE 010 /* Self Test Enable (Rcv) */ |
| 72 | #define VV_UT1 010 /* Unused (Xmit) */ |
| 73 | #define VV_LPB 020 /* Modem Disable (Rcv) */ |
| 74 | #define VV_INR 020 /* Initialize Ring (Xmit) */ |
| 75 | #define VV_RST 040 /* Reset */ |
| 76 | #define VV_IEN 0100 /* Interrupt Enable */ |
| 77 | #define VV_RDY 0200 /* Done */ |
| 78 | #define VV_DPR 0400 /* Data Present (Rcv) */ |
| 79 | #define VV_RFS 0400 /* Refused (Xmit) */ |
| 80 | #define VV_NXM 01000 /* Non Existent Memory */ |
| 81 | #define VV_OVR 02000 /* Overrun */ |
| 82 | #define VV_ODB 04000 /* Odd Byte (Rcv) */ |
| 83 | #define VV_UT2 04000 /* Unused (Xmit) */ |
| 84 | #define VV_LDE 010000 /* Parity on 10 megabit (Rcv), */ |
| 85 | /* Link Data Error on 80 megabit (Rcv) */ |
| 86 | #define VV_OPT 010000 /* Output Timeout (Xmit) */ |
| 87 | #define VV_NOK 020000 /* Ring Not OK */ |
| 88 | #define VV_BDF 040000 /* Bad Format in Operation */ |
| 89 | #define VV_NIR 0100000 /* Not in Ring */ |
| 90 | |
| 91 | #define VVXERR (VV_NXM|VV_OVR|VV_OPT|VV_BDF) /* Xmit errs */ |
| 92 | #define VVRERR (VV_NXM|VV_OVR|VV_ODB|VV_BDF) /* Rcv errs */ |
| 93 | #define VVFE (VV_NXM|VV_OVR) /* Fatal errors */ |
| 94 | |
| 95 | #define VV_IBITS \ |
| 96 | "\10\20NIR\17BDF\16NOK\15LDE\14ODB\13OVR\12NXM\11DPR\10RDY\7IEN\6RST\5LPB\4STE\3HEN\2DEN\1ENB" |
| 97 | |
| 98 | #define VV_OBITS \ |
| 99 | "\10\20NIR\17BDF\16NOK\15OPT\13OVR\12NXM\11RFS\10RDY\7IEN\6RST\5INR\3HEN\2DEN\1ENB" |
| 100 | |
| 101 | /* device registers */ |
| 102 | struct vvreg { |
| 103 | short vvicsr; /* input csr */ |
| 104 | u_short vviwc; /* input word count */ |
| 105 | u_short vviba; /* input addr lo */ |
| 106 | u_short vviea; /* input addr hi */ |
| 107 | short vvocsr; /* output csr */ |
| 108 | u_short vvowc; /* output word count */ |
| 109 | u_short vvoba; /* output addr lo */ |
| 110 | u_short vvoea; /* output addr hi */ |
| 111 | }; |
| 112 | |
| 113 | #define VVRETRY 7 /* output retry limit */ |
| 114 | #define VVIDENTSUCC 5 /* number of successes required in self-test */ |
| 115 | #define VVIDENTRETRY 10 /* identify loop attempt limit */ |
| 116 | #define VVTIMEOUT 60 /* seconds before a transmit timeout */ |