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Annotation of 43BSD/sys/vaxif/if_vv.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986 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     7.1 (Berkeley) 6/5/86
                      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_TRAILER    2       /* offset now in vh_info only */
                     42: #define RING_ARP       3
                     43: #define RING_HDLC      4
                     44: #define RING_VAXDB     5
                     45: #define RING_RINGWAY   6
                     46: #define RING_RINGWAYM  8
                     47: #define        RING_NOVELL     10
                     48: #define RING_PUP       12
                     49: #define RING_XNS       14
                     50: #define        RING_DIAGNOSTICS 15     /* protocol type for testing */
                     51: #define        RING_ECHO       16
                     52: 
                     53: #ifdef NEW_BROADCAST
                     54: #define        VV_BROADCAST    0xff    /* hardware-defined broadcast address */
                     55: #else
                     56: #define        VV_BROADCAST    0x00    /* hardware-defined broadcast address */
                     57: #endif
                     58: 
                     59: /*
                     60:  * Proteon proNET Hardware definitions
                     61:  * register bit definitions
                     62:  */
                     63: #define        VV_ENB  01              /* Enable Operation */
                     64: #define        VV_DEN  02              /* Enable DMA */
                     65: #define        VV_HEN  04              /* Host Relay Enable (Rcv) */
                     66: #define        VV_CPB  04              /* Clear Packet Buffer (Xmit) */
                     67: #define        VV_STE  010             /* Self Test Enable (Rcv) */
                     68: #define        VV_UT1  010             /* Unused (Xmit) */
                     69: #define        VV_LPB  020             /* Modem Disable (Rcv) */
                     70: #define        VV_INR  020             /* Initialize Ring (Xmit) */
                     71: #define        VV_RST  040             /* Reset */
                     72: #define        VV_IEN  0100            /* Interrupt Enable */
                     73: #define        VV_RDY  0200            /* Done */
                     74: #define        VV_DPR  0400            /* Data Present (Rcv) */
                     75: #define        VV_RFS  0400            /* Refused (Xmit) */
                     76: #define        VV_NXM  01000           /* Non Existent Memory */
                     77: #define        VV_OVR  02000           /* Overrun */
                     78: #define        VV_ODB  04000           /* Odd Byte (Rcv) */
                     79: #define        VV_UT2  04000           /* Unused (Xmit) */
                     80: #define        VV_LDE  010000          /* Parity on 10 megabit (Rcv), */
                     81:                                /* Link Data Error on 80 megabit (Rcv) */
                     82: #define        VV_OPT  010000          /* Output Timeout (Xmit) */
                     83: #define        VV_NOK  020000          /* Ring Not OK */
                     84: #define        VV_BDF  040000          /* Bad Format in Operation */
                     85: #define        VV_NIR  0100000         /* Not in Ring */
                     86: 
                     87: #define        VVXERR  (VV_NXM|VV_OVR|VV_OPT|VV_BDF)   /* Xmit errs */
                     88: #define        VVRERR  (VV_NXM|VV_OVR|VV_ODB|VV_BDF|VV_DPR)    /* Rcv errs */
                     89: #define        VVFE    (VV_NXM|VV_OVR)                 /* Fatal errors */
                     90: 
                     91: #define VV_IBITS \
                     92: "\10\20NIR\17BDF\16NOK\15LDE\14ODB\13OVR\12NXM\11DPR\10RDY\7IEN\6RST\5LPB\4STE\3HEN\2DEN\1ENB"
                     93: 
                     94: #define VV_OBITS \
                     95: "\10\20NIR\17BDF\16NOK\15OPT\13OVR\12NXM\11RFS\10RDY\7IEN\6RST\5INR\3HEN\2DEN\1ENB"
                     96: 
                     97: /* device registers */
                     98: struct vvreg {
                     99:        short   vvicsr;         /* input csr */
                    100:        u_short vviwc;          /* input word count */
                    101:        u_short vviba;          /* input addr lo */
                    102:        u_short vviea;          /* input addr hi */
                    103:        short   vvocsr;         /* output csr */
                    104:        u_short vvowc;          /* output word count */
                    105:        u_short vvoba;          /* output addr lo */
                    106:        u_short vvoea;          /* output addr hi */
                    107: };
                    108: 
                    109: #define        VVRETRY 7               /* output retry limit */
                    110: #define VVIDENTSUCC 5          /* number of successes required in self-test */
                    111: #define VVIDENTRETRY 10                /* identify loop attempt limit */
                    112: #define VVTIMEOUT 60           /* seconds before a transmit timeout */

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