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_vv.h 7.4 (Berkeley) 06/28/90 8 */ 9 10 /* 11 * ECO 176-748 changed the braodcast address from 0 to 0xff, at 12 * CTL (p1002) serial number around 150. 13 * It was implemented in August, 1982. This is a field-installable ECO, 14 * which improves net reliability. If the broadcast address has not been 15 * changed, comment out the following line. 16 */ 17 #define NEW_BROADCAST /* new chip for broadcast problem */ 18 19 /* 20 * Local network header for proNET Ring 21 * This is arbitrated by "jas@proteon" 22 * (aka John Shriver, 617-655-3340) 23 */ 24 25 struct vv_header { 26 /* the first two fields are required by the hardware */ 27 u_char vh_dhost; /* destination address */ 28 u_char vh_shost; /* source address */ 29 /* the next three fields are the local network header */ 30 u_char vh_version; /* header version */ 31 u_char vh_type; /* packet type => protocol number */ 32 short vh_info; /* protocol-specific information */ 33 }; 34 35 #define RING_VERSION 2 /* current version of v2lni header */ 36 37 /* 38 * Packet types (protocol numbers) in proNET protocol header 39 * Other types are defined, but are proprietary. 40 */ 41 #define RING_IP 1 42 #define RING_TRAILER 2 /* offset now in vh_info only */ 43 #define RING_ARP 3 44 #define RING_HDLC 4 45 #define RING_VAXDB 5 46 #define RING_RINGWAY 6 47 #define RING_RINGWAYM 8 48 #define RING_NOVELL 10 49 #define RING_PUP 12 50 #define RING_XNS 14 51 #define RING_DIAGNOSTICS 15 /* protocol type for testing */ 52 #define RING_ECHO 16 53 #define RING_8022 23 54 55 #ifdef NEW_BROADCAST 56 #define VV_BROADCAST 0xff /* hardware-defined broadcast address */ 57 #else 58 #define VV_BROADCAST 0x00 /* hardware-defined broadcast address */ 59 #endif 60 61 /* 62 * Proteon proNET Hardware definitions 63 * register bit definitions 64 */ 65 #define VV_ENB 01 /* Enable Operation */ 66 #define VV_DEN 02 /* Enable DMA */ 67 #define VV_HEN 04 /* Host Relay Enable (Rcv) */ 68 #define VV_CPB 04 /* Clear Packet Buffer (Xmit) */ 69 #define VV_STE 010 /* Self Test Enable (Rcv) */ 70 #define VV_UT1 010 /* Unused (Xmit) */ 71 #define VV_LPB 020 /* Modem Disable (Rcv) */ 72 #define VV_INR 020 /* Initialize Ring (Xmit) */ 73 #define VV_RST 040 /* Reset */ 74 #define VV_IEN 0100 /* Interrupt Enable */ 75 #define VV_RDY 0200 /* Done */ 76 #define VV_DPR 0400 /* Data Present (Rcv) */ 77 #define VV_RFS 0400 /* Refused (Xmit) */ 78 #define VV_NXM 01000 /* Non Existent Memory */ 79 #define VV_OVR 02000 /* Overrun */ 80 #define VV_ODB 04000 /* Odd Byte (Rcv) */ 81 #define VV_UT2 04000 /* Unused (Xmit) */ 82 #define VV_LDE 010000 /* Parity on 10 megabit (Rcv), */ 83 /* Link Data Error on 80 megabit (Rcv) */ 84 #define VV_OPT 010000 /* Output Timeout (Xmit) */ 85 #define VV_NOK 020000 /* Ring Not OK */ 86 #define VV_BDF 040000 /* Bad Format in Operation */ 87 #define VV_NIR 0100000 /* Not in Ring */ 88 89 #define VVXERR (VV_NXM|VV_OVR|VV_OPT|VV_BDF) /* Xmit errs */ 90 #define VVRERR (VV_NXM|VV_OVR|VV_ODB|VV_BDF|VV_DPR) /* Rcv errs */ 91 #define VVFE (VV_NXM|VV_OVR) /* Fatal errors */ 92 93 #define VV_IBITS \ 94 "\10\20NIR\17BDF\16NOK\15LDE\14ODB\13OVR\12NXM\11DPR\10RDY\7IEN\6RST\5LPB\4STE\3HEN\2DEN\1ENB" 95 96 #define VV_OBITS \ 97 "\10\20NIR\17BDF\16NOK\15OPT\13OVR\12NXM\11RFS\10RDY\7IEN\6RST\5INR\3HEN\2DEN\1ENB" 98 99 /* device registers */ 100 struct vvreg { 101 short vvicsr; /* input csr */ 102 u_short vviwc; /* input word count */ 103 u_short vviba; /* input addr lo */ 104 u_short vviea; /* input addr hi */ 105 short vvocsr; /* output csr */ 106 u_short vvowc; /* output word count */ 107 u_short vvoba; /* output addr lo */ 108 u_short vvoea; /* output addr hi */ 109 }; 110 111 #define VVRETRY 7 /* output retry limit */ 112 #define VVIDENTSUCC 5 /* number of successes required in self-test */ 113 #define VVIDENTRETRY 10 /* identify loop attempt limit */ 114 #define VVTIMEOUT 60 /* seconds before a transmit timeout */ 115