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) 06/08/85 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 */ 117