1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)if_vv.h 7.2 (Berkeley) 08/04/88 18 */ 19 20 /* 21 * ECO 176-748 changed the braodcast address from 0 to 0xff, at 22 * CTL (p1002) serial number around 150. 23 * It was implemented in August, 1982. This is a field-installable ECO, 24 * which improves net reliability. If the broadcast address has not been 25 * changed, comment out the following line. 26 */ 27 #define NEW_BROADCAST /* new chip for broadcast problem */ 28 29 /* 30 * Local network header for proNET Ring 31 * This is arbitrated by "jas@proteon" 32 * (aka John Shriver, 617-655-3340) 33 */ 34 35 struct vv_header { 36 /* the first two fields are required by the hardware */ 37 u_char vh_dhost; /* destination address */ 38 u_char vh_shost; /* source address */ 39 /* the next three fields are the local network header */ 40 u_char vh_version; /* header version */ 41 u_char vh_type; /* packet type => protocol number */ 42 short vh_info; /* protocol-specific information */ 43 }; 44 45 #define RING_VERSION 2 /* current version of v2lni header */ 46 47 /* 48 * Packet types (protocol numbers) in proNET protocol header 49 * Other types are defined, but are proprietary. 50 */ 51 #define RING_IP 1 52 #define RING_TRAILER 2 /* offset now in vh_info only */ 53 #define RING_ARP 3 54 #define RING_HDLC 4 55 #define RING_VAXDB 5 56 #define RING_RINGWAY 6 57 #define RING_RINGWAYM 8 58 #define RING_NOVELL 10 59 #define RING_PUP 12 60 #define RING_XNS 14 61 #define RING_DIAGNOSTICS 15 /* protocol type for testing */ 62 #define RING_ECHO 16 63 64 #ifdef NEW_BROADCAST 65 #define VV_BROADCAST 0xff /* hardware-defined broadcast address */ 66 #else 67 #define VV_BROADCAST 0x00 /* hardware-defined broadcast address */ 68 #endif 69 70 /* 71 * Proteon proNET Hardware definitions 72 * register bit definitions 73 */ 74 #define VV_ENB 01 /* Enable Operation */ 75 #define VV_DEN 02 /* Enable DMA */ 76 #define VV_HEN 04 /* Host Relay Enable (Rcv) */ 77 #define VV_CPB 04 /* Clear Packet Buffer (Xmit) */ 78 #define VV_STE 010 /* Self Test Enable (Rcv) */ 79 #define VV_UT1 010 /* Unused (Xmit) */ 80 #define VV_LPB 020 /* Modem Disable (Rcv) */ 81 #define VV_INR 020 /* Initialize Ring (Xmit) */ 82 #define VV_RST 040 /* Reset */ 83 #define VV_IEN 0100 /* Interrupt Enable */ 84 #define VV_RDY 0200 /* Done */ 85 #define VV_DPR 0400 /* Data Present (Rcv) */ 86 #define VV_RFS 0400 /* Refused (Xmit) */ 87 #define VV_NXM 01000 /* Non Existent Memory */ 88 #define VV_OVR 02000 /* Overrun */ 89 #define VV_ODB 04000 /* Odd Byte (Rcv) */ 90 #define VV_UT2 04000 /* Unused (Xmit) */ 91 #define VV_LDE 010000 /* Parity on 10 megabit (Rcv), */ 92 /* Link Data Error on 80 megabit (Rcv) */ 93 #define VV_OPT 010000 /* Output Timeout (Xmit) */ 94 #define VV_NOK 020000 /* Ring Not OK */ 95 #define VV_BDF 040000 /* Bad Format in Operation */ 96 #define VV_NIR 0100000 /* Not in Ring */ 97 98 #define VVXERR (VV_NXM|VV_OVR|VV_OPT|VV_BDF) /* Xmit errs */ 99 #define VVRERR (VV_NXM|VV_OVR|VV_ODB|VV_BDF|VV_DPR) /* Rcv errs */ 100 #define VVFE (VV_NXM|VV_OVR) /* Fatal errors */ 101 102 #define VV_IBITS \ 103 "\10\20NIR\17BDF\16NOK\15LDE\14ODB\13OVR\12NXM\11DPR\10RDY\7IEN\6RST\5LPB\4STE\3HEN\2DEN\1ENB" 104 105 #define VV_OBITS \ 106 "\10\20NIR\17BDF\16NOK\15OPT\13OVR\12NXM\11RFS\10RDY\7IEN\6RST\5INR\3HEN\2DEN\1ENB" 107 108 /* device registers */ 109 struct vvreg { 110 short vvicsr; /* input csr */ 111 u_short vviwc; /* input word count */ 112 u_short vviba; /* input addr lo */ 113 u_short vviea; /* input addr hi */ 114 short vvocsr; /* output csr */ 115 u_short vvowc; /* output word count */ 116 u_short vvoba; /* output addr lo */ 117 u_short vvoea; /* output addr hi */ 118 }; 119 120 #define VVRETRY 7 /* output retry limit */ 121 #define VVIDENTSUCC 5 /* number of successes required in self-test */ 122 #define VVIDENTRETRY 10 /* identify loop attempt limit */ 123 #define VVTIMEOUT 60 /* seconds before a transmit timeout */ 124