2.11BSD#431 - /usr/src/sys/vaxif/if_qereg.h

   1: /*	@(#)if_qereg.h	7.1 (Berkeley) 6/5/86 */
   2: 
   3: /* @(#)if_qereg.h	1.2 (ULTRIX) 1/3/85 */
   4: 
   5: /****************************************************************
   6:  *								*
   7:  *        Licensed from Digital Equipment Corporation 		*
   8:  *                       Copyright (c) 				*
   9:  *               Digital Equipment Corporation			*
  10:  *                   Maynard, Massachusetts 			*
  11:  *                         1985, 1986 				*
  12:  *                    All rights reserved. 			*
  13:  *								*
  14:  *        The Information in this software is subject to change *
  15:  *   without notice and should not be construed as a commitment *
  16:  *   by  Digital  Equipment  Corporation.   Digital   makes  no *
  17:  *   representations about the suitability of this software for *
  18:  *   any purpose.  It is supplied "As Is" without expressed  or *
  19:  *   implied  warranty. 					*
  20:  *								*
  21:  *        If the Regents of the University of California or its *
  22:  *   licensees modify the software in a manner creating  	*
  23:  *   diriviative copyright rights, appropriate copyright  	*
  24:  *   legends may be placed on  the drivative work in addition   *
  25:  *   to that set forth above. 					*
  26:  *								*
  27:  ****************************************************************/
  28: /* ---------------------------------------------------------------------
  29:  * Modification History
  30:  *
  31:  *  13 Feb. 84 -- rjl
  32:  *
  33:  *	Initial version of driver. derived from IL driver.
  34:  *
  35:  * ---------------------------------------------------------------------
  36:  */
  37: 
  38: /*
  39:  * Digital Q-BUS to NI Adapter
  40:  */
  41: struct qedevice {
  42:     u_short qe_sta_addr[2];     /* Station address (actually 6 	*/
  43:     u_short qe_rcvlist_lo;      /* Receive list lo address 	*/
  44:     u_short qe_rcvlist_hi;      /* Receive list hi address 	*/
  45:     u_short qe_xmtlist_lo;      /* Transmit list lo address 	*/
  46:     u_short qe_xmtlist_hi;      /* Transmit list hi address 	*/
  47:     u_short qe_vector;      /* Interrupt vector 		*/
  48:     u_short qe_csr;         /* Command and Status Register 	*/
  49: };
  50: 
  51: /*
  52:  * Command and status bits (csr)
  53:  */
  54: #define QE_RCV_ENABLE   0x0001      /* Receiver enable		*/
  55: #define QE_RESET    0x0002      /* Software reset		*/
  56: #define QE_NEX_MEM_INT  0x0004      /* Non existant mem interrupt	*/
  57: #define QE_LOAD_ROM 0x0008      /* Load boot/diag from rom	*/
  58: #define QE_XL_INVALID   0x0010      /* Transmit list invalid	*/
  59: #define QE_RL_INVALID   0x0020      /* Receive list invalid		*/
  60: #define QE_INT_ENABLE   0x0040      /* Interrupt enable		*/
  61: #define QE_XMIT_INT 0x0080      /* Transmit interrupt		*/
  62: #define QE_ILOOP    0x0100      /* Internal loopback		*/
  63: #define QE_ELOOP    0x0200      /* External loopback		*/
  64: #define QE_STIM_ENABLE  0x0400      /* Sanity timer enable		*/
  65: #define QE_POWERUP  0x1000      /* Tranceiver power on		*/
  66: #define QE_CARRIER  0x2000      /* Carrier detect		*/
  67: #define QE_RCV_INT  0x8000      /* Receiver interrupt		*/
  68: 
  69: /*
  70:  * Transmit and receive ring discriptor ---------------------------
  71:  *
  72:  * The QNA uses the flag, status1 and the valid bit as a handshake/semiphore
  73:  * mechinism.
  74:  *
  75:  * The flag word is written on ( bits 15,15 set to 1 ) when it reads the
  76:  * descriptor. If the valid bit is set it considers the address to be valid.
  77:  * When it uses the buffer pointed to by the valid address it sets status word
  78:  * one.
  79:  */
  80: struct qe_ring  {
  81:     u_short qe_flag;        /* Buffer utilization flags	*/
  82:     u_short qe_addr_hi:6,       /* Hi order bits of buffer addr	*/
  83:           qe_odd_begin:1,       /* Odd byte begin and end (xmit)*/
  84:           qe_odd_end:1,
  85:           qe_fill1:4,
  86:           qe_setup:1,       /* Setup packet			*/
  87:           qe_eomsg:1,       /* End of message flag		*/
  88:           qe_chain:1,       /* Chain address instead of buf */
  89:           qe_valid:1;       /* Address field is valid	*/
  90:     u_short qe_addr_lo;     /* Low order bits of address	*/
  91:     short qe_buf_len;       /* Negative buffer length	*/
  92:     u_short qe_status1;     /* Status word one		*/
  93:     u_short qe_status2;     /* Status word two		*/
  94: };
  95: 
  96: /*
  97:  * Status word definations (receive)
  98:  *	word1
  99:  */
 100: #define QE_OVF          0x0001  /* Receiver overflow		*/
 101: #define QE_CRCERR       0x0002  /* CRC error			*/
 102: #define QE_FRAME        0x0004  /* Framing alignment error	*/
 103: #define QE_SHORT        0x0008  /* Packet size < 10 bytes	*/
 104: #define QE_RBL_HI       0x0700  /* Hi bits of receive len	*/
 105: #define QE_RUNT         0x0800  /* Runt packet			*/
 106: #define QE_DISCARD      0x1000  /* Discard the packet		*/
 107: #define QE_ESETUP       0x2000  /* Looped back setup or eloop	*/
 108: #define QE_ERROR        0x4000  /* Receiver error		*/
 109: #define QE_LASTNOT      0x8000  /* Not the last in the packet	*/
 110: /*	word2								*/
 111: #define QE_RBL_LO       0x00ff  /* Low bits of receive len	*/
 112: 
 113: /*
 114:  * Status word definations (transmit)
 115:  *	word1
 116:  */
 117: #define QE_CCNT         0x00f0  /* Collision count this packet	*/
 118: #define QE_FAIL         0x0100  /* Heart beat check failure	*/
 119: #define QE_ABORT        0x0200  /* Transmission abort		*/
 120: #define QE_STE16        0x0400  /* Sanity timer default on	*/
 121: #define QE_NOCAR        0x0800  /* No carrier			*/
 122: #define QE_LOSS         0x1000  /* Loss of carrier while xmit	*/
 123: /*	word2								*/
 124: #define QE_TDR          0x3fff  /* Time domain reflectometry	*/
 125: 
 126: /*
 127:  * General constant definations
 128:  */
 129: #define QEALLOC         0   /* Allocate an mbuf		*/
 130: #define QENOALLOC       1   /* No mbuf allocation		*/
 131: #define QEDEALLOC       2   /* Release an mbuf chain	*/
 132: 
 133: #define QE_NOTYET       0x8000  /* Descriptor not in use yet	*/
 134: #define QE_INUSE        0x4000  /* Descriptor being used by QNA	*/
 135: #define QE_MASK         0xc000  /* Lastnot/error/used mask	*/

Defined struct's

Defined macros